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![Arnaldo Carvalho de Melo](/assets/img/avatar_default.png)
Do defensive programming by using zfree() to initialize freed pointers to NULL, so that eventual use after free result in a NULL pointer deref instead of more subtle behaviour. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
3357 lines
80 KiB
C
3357 lines
80 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* This is rewrite of original c2c tool introduced in here:
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* http://lwn.net/Articles/588866/
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*
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* The original tool was changed to fit in current perf state.
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*
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* Original authors:
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* Don Zickus <dzickus@redhat.com>
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* Dick Fowles <fowles@inreach.com>
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* Joe Mario <jmario@redhat.com>
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*/
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#include <errno.h>
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#include <inttypes.h>
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#include <linux/compiler.h>
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#include <linux/err.h>
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#include <linux/kernel.h>
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#include <linux/stringify.h>
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#include <linux/zalloc.h>
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#include <asm/bug.h>
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#include <sys/param.h>
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#include "debug.h"
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#include "builtin.h"
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#include <perf/cpumap.h>
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#include <subcmd/pager.h>
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#include <subcmd/parse-options.h>
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#include "map_symbol.h"
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#include "mem-events.h"
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#include "session.h"
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#include "hist.h"
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#include "sort.h"
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#include "tool.h"
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#include "cacheline.h"
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#include "data.h"
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#include "event.h"
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#include "evlist.h"
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#include "evsel.h"
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#include "ui/browsers/hists.h"
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#include "thread.h"
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#include "mem2node.h"
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#include "symbol.h"
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#include "ui/ui.h"
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#include "ui/progress.h"
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#include "pmu.h"
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#include "pmu-hybrid.h"
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#include "string2.h"
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#include "util/util.h"
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struct c2c_hists {
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struct hists hists;
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struct perf_hpp_list list;
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struct c2c_stats stats;
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};
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struct compute_stats {
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struct stats lcl_hitm;
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struct stats rmt_hitm;
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struct stats lcl_peer;
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struct stats rmt_peer;
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struct stats load;
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};
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struct c2c_hist_entry {
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struct c2c_hists *hists;
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struct c2c_stats stats;
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unsigned long *cpuset;
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unsigned long *nodeset;
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struct c2c_stats *node_stats;
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unsigned int cacheline_idx;
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struct compute_stats cstats;
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unsigned long paddr;
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unsigned long paddr_cnt;
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bool paddr_zero;
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char *nodestr;
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/*
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* must be at the end,
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* because of its callchain dynamic entry
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*/
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struct hist_entry he;
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};
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static char const *coalesce_default = "iaddr";
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struct perf_c2c {
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struct perf_tool tool;
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struct c2c_hists hists;
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struct mem2node mem2node;
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unsigned long **nodes;
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int nodes_cnt;
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int cpus_cnt;
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int *cpu2node;
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int node_info;
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bool show_src;
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bool show_all;
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bool use_stdio;
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bool stats_only;
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bool symbol_full;
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bool stitch_lbr;
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/* Shared cache line stats */
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struct c2c_stats shared_clines_stats;
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int shared_clines;
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int display;
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const char *coalesce;
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char *cl_sort;
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char *cl_resort;
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char *cl_output;
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};
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enum {
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DISPLAY_LCL_HITM,
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DISPLAY_RMT_HITM,
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DISPLAY_TOT_HITM,
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DISPLAY_SNP_PEER,
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DISPLAY_MAX,
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};
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static const char *display_str[DISPLAY_MAX] = {
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[DISPLAY_LCL_HITM] = "Local HITMs",
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[DISPLAY_RMT_HITM] = "Remote HITMs",
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[DISPLAY_TOT_HITM] = "Total HITMs",
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[DISPLAY_SNP_PEER] = "Peer Snoop",
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};
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static const struct option c2c_options[] = {
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OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
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OPT_END()
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};
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static struct perf_c2c c2c;
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static void *c2c_he_zalloc(size_t size)
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{
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struct c2c_hist_entry *c2c_he;
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c2c_he = zalloc(size + sizeof(*c2c_he));
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if (!c2c_he)
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return NULL;
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c2c_he->cpuset = bitmap_zalloc(c2c.cpus_cnt);
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if (!c2c_he->cpuset)
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goto out_free;
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c2c_he->nodeset = bitmap_zalloc(c2c.nodes_cnt);
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if (!c2c_he->nodeset)
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goto out_free;
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c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
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if (!c2c_he->node_stats)
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goto out_free;
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init_stats(&c2c_he->cstats.lcl_hitm);
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init_stats(&c2c_he->cstats.rmt_hitm);
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init_stats(&c2c_he->cstats.lcl_peer);
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init_stats(&c2c_he->cstats.rmt_peer);
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init_stats(&c2c_he->cstats.load);
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return &c2c_he->he;
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out_free:
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zfree(&c2c_he->nodeset);
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zfree(&c2c_he->cpuset);
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free(c2c_he);
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return NULL;
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}
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static void c2c_he_free(void *he)
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{
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struct c2c_hist_entry *c2c_he;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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if (c2c_he->hists) {
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hists__delete_entries(&c2c_he->hists->hists);
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zfree(&c2c_he->hists);
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}
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zfree(&c2c_he->cpuset);
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zfree(&c2c_he->nodeset);
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zfree(&c2c_he->nodestr);
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zfree(&c2c_he->node_stats);
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free(c2c_he);
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}
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static struct hist_entry_ops c2c_entry_ops = {
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.new = c2c_he_zalloc,
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.free = c2c_he_free,
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};
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static int c2c_hists__init(struct c2c_hists *hists,
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const char *sort,
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int nr_header_lines);
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static struct c2c_hists*
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he__get_c2c_hists(struct hist_entry *he,
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const char *sort,
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int nr_header_lines)
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{
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struct c2c_hist_entry *c2c_he;
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struct c2c_hists *hists;
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int ret;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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if (c2c_he->hists)
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return c2c_he->hists;
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hists = c2c_he->hists = zalloc(sizeof(*hists));
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if (!hists)
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return NULL;
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ret = c2c_hists__init(hists, sort, nr_header_lines);
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if (ret) {
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free(hists);
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return NULL;
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}
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return hists;
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}
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static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
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struct perf_sample *sample)
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{
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if (WARN_ONCE(sample->cpu == (unsigned int) -1,
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"WARNING: no sample cpu value"))
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return;
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__set_bit(sample->cpu, c2c_he->cpuset);
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}
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static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
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struct perf_sample *sample)
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{
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int node;
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if (!sample->phys_addr) {
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c2c_he->paddr_zero = true;
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return;
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}
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node = mem2node__node(&c2c.mem2node, sample->phys_addr);
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if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
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return;
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__set_bit(node, c2c_he->nodeset);
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if (c2c_he->paddr != sample->phys_addr) {
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c2c_he->paddr_cnt++;
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c2c_he->paddr = sample->phys_addr;
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}
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}
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static void compute_stats(struct c2c_hist_entry *c2c_he,
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struct c2c_stats *stats,
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u64 weight)
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{
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struct compute_stats *cstats = &c2c_he->cstats;
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if (stats->rmt_hitm)
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update_stats(&cstats->rmt_hitm, weight);
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else if (stats->lcl_hitm)
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update_stats(&cstats->lcl_hitm, weight);
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else if (stats->rmt_peer)
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update_stats(&cstats->rmt_peer, weight);
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else if (stats->lcl_peer)
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update_stats(&cstats->lcl_peer, weight);
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else if (stats->load)
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update_stats(&cstats->load, weight);
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}
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static int process_sample_event(struct perf_tool *tool __maybe_unused,
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union perf_event *event,
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struct perf_sample *sample,
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struct evsel *evsel,
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struct machine *machine)
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{
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struct c2c_hists *c2c_hists = &c2c.hists;
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struct c2c_hist_entry *c2c_he;
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struct c2c_stats stats = { .nr_entries = 0, };
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struct hist_entry *he;
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struct addr_location al;
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struct mem_info *mi, *mi_dup;
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int ret;
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if (machine__resolve(machine, &al, sample) < 0) {
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pr_debug("problem processing %d event, skipping it.\n",
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event->header.type);
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return -1;
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}
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if (c2c.stitch_lbr)
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al.thread->lbr_stitch_enable = true;
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ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
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evsel, &al, sysctl_perf_event_max_stack);
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if (ret)
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goto out;
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mi = sample__resolve_mem(sample, &al);
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if (mi == NULL)
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return -ENOMEM;
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/*
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* The mi object is released in hists__add_entry_ops,
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* if it gets sorted out into existing data, so we need
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* to take the copy now.
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*/
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mi_dup = mem_info__get(mi);
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c2c_decode_stats(&stats, mi);
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he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
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&al, NULL, NULL, mi, NULL,
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sample, true);
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if (he == NULL)
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goto free_mi;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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c2c_add_stats(&c2c_he->stats, &stats);
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c2c_add_stats(&c2c_hists->stats, &stats);
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c2c_he__set_cpu(c2c_he, sample);
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c2c_he__set_node(c2c_he, sample);
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hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
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ret = hist_entry__append_callchain(he, sample);
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if (!ret) {
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/*
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* There's already been warning about missing
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* sample's cpu value. Let's account all to
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* node 0 in this case, without any further
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* warning.
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*
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* Doing node stats only for single callchain data.
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*/
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int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
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int node = c2c.cpu2node[cpu];
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mi = mi_dup;
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c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
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if (!c2c_hists)
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goto free_mi;
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he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
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&al, NULL, NULL, mi, NULL,
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sample, true);
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if (he == NULL)
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goto free_mi;
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c2c_he = container_of(he, struct c2c_hist_entry, he);
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c2c_add_stats(&c2c_he->stats, &stats);
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c2c_add_stats(&c2c_hists->stats, &stats);
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c2c_add_stats(&c2c_he->node_stats[node], &stats);
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compute_stats(c2c_he, &stats, sample->weight);
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c2c_he__set_cpu(c2c_he, sample);
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c2c_he__set_node(c2c_he, sample);
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hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
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ret = hist_entry__append_callchain(he, sample);
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}
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out:
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addr_location__put(&al);
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return ret;
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free_mi:
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mem_info__put(mi_dup);
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mem_info__put(mi);
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ret = -ENOMEM;
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goto out;
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}
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static struct perf_c2c c2c = {
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.tool = {
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.sample = process_sample_event,
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.mmap = perf_event__process_mmap,
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.mmap2 = perf_event__process_mmap2,
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.comm = perf_event__process_comm,
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.exit = perf_event__process_exit,
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.fork = perf_event__process_fork,
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.lost = perf_event__process_lost,
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.attr = perf_event__process_attr,
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.auxtrace_info = perf_event__process_auxtrace_info,
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.auxtrace = perf_event__process_auxtrace,
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.auxtrace_error = perf_event__process_auxtrace_error,
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.ordered_events = true,
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.ordering_requires_timestamps = true,
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},
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};
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static const char * const c2c_usage[] = {
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"perf c2c {record|report}",
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NULL
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};
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static const char * const __usage_report[] = {
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"perf c2c report",
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NULL
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};
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static const char * const *report_c2c_usage = __usage_report;
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#define C2C_HEADER_MAX 2
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struct c2c_header {
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struct {
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const char *text;
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int span;
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} line[C2C_HEADER_MAX];
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};
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struct c2c_dimension {
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struct c2c_header header;
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const char *name;
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int width;
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struct sort_entry *se;
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int64_t (*cmp)(struct perf_hpp_fmt *fmt,
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struct hist_entry *, struct hist_entry *);
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int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he);
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int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hist_entry *he);
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};
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struct c2c_fmt {
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struct perf_hpp_fmt fmt;
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struct c2c_dimension *dim;
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};
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#define SYMBOL_WIDTH 30
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static struct c2c_dimension dim_symbol;
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static struct c2c_dimension dim_srcline;
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static int symbol_width(struct hists *hists, struct sort_entry *se)
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{
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int width = hists__col_len(hists, se->se_width_idx);
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|
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if (!c2c.symbol_full)
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width = MIN(width, SYMBOL_WIDTH);
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return width;
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}
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|
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static int c2c_width(struct perf_hpp_fmt *fmt,
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struct perf_hpp *hpp __maybe_unused,
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struct hists *hists)
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{
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struct c2c_fmt *c2c_fmt;
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struct c2c_dimension *dim;
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c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
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dim = c2c_fmt->dim;
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if (dim == &dim_symbol || dim == &dim_srcline)
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return symbol_width(hists, dim->se);
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return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
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c2c_fmt->dim->width;
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}
|
|
|
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static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
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struct hists *hists, int line, int *span)
|
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{
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struct perf_hpp_list *hpp_list = hists->hpp_list;
|
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struct c2c_fmt *c2c_fmt;
|
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struct c2c_dimension *dim;
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const char *text = NULL;
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int width = c2c_width(fmt, hpp, hists);
|
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|
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c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
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dim = c2c_fmt->dim;
|
|
|
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if (dim->se) {
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text = dim->header.line[line].text;
|
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/* Use the last line from sort_entry if not defined. */
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if (!text && (line == hpp_list->nr_header_lines - 1))
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text = dim->se->se_header;
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} else {
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text = dim->header.line[line].text;
|
|
|
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if (*span) {
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(*span)--;
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return 0;
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} else {
|
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*span = dim->header.line[line].span;
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}
|
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}
|
|
|
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if (text == NULL)
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text = "";
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|
|
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return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
|
|
}
|
|
|
|
#define HEX_STR(__s, __v) \
|
|
({ \
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scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
|
|
__s; \
|
|
})
|
|
|
|
static int64_t
|
|
dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
return sort__dcacheline_cmp(left, right);
|
|
}
|
|
|
|
static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
uint64_t addr = 0;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[20];
|
|
|
|
if (he->mem_info)
|
|
addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
|
|
}
|
|
|
|
static int
|
|
dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
if (WARN_ON_ONCE(!c2c_he->nodestr))
|
|
return 0;
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
|
|
}
|
|
|
|
static int
|
|
dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
|
|
}
|
|
|
|
static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
uint64_t addr = 0;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[20];
|
|
|
|
if (he->mem_info)
|
|
addr = cl_offset(he->mem_info->daddr.al_addr, chk_double_cl);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
|
|
}
|
|
|
|
static int64_t
|
|
offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
uint64_t l = 0, r = 0;
|
|
|
|
if (left->mem_info)
|
|
l = cl_offset(left->mem_info->daddr.addr, chk_double_cl);
|
|
|
|
if (right->mem_info)
|
|
r = cl_offset(right->mem_info->daddr.addr, chk_double_cl);
|
|
|
|
return (int64_t)(r - l);
|
|
}
|
|
|
|
static int
|
|
iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
uint64_t addr = 0;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[20];
|
|
|
|
if (he->mem_info)
|
|
addr = he->mem_info->iaddr.addr;
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
|
|
}
|
|
|
|
static int64_t
|
|
iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
return sort__iaddr_cmp(left, right);
|
|
}
|
|
|
|
static int
|
|
tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
unsigned int tot_hitm;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
|
|
}
|
|
|
|
static int64_t
|
|
tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
struct c2c_hist_entry *c2c_left;
|
|
struct c2c_hist_entry *c2c_right;
|
|
uint64_t tot_hitm_left;
|
|
uint64_t tot_hitm_right;
|
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he);
|
|
c2c_right = container_of(right, struct c2c_hist_entry, he);
|
|
|
|
tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
|
|
tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
|
|
|
|
return tot_hitm_left - tot_hitm_right;
|
|
}
|
|
|
|
#define STAT_FN_ENTRY(__f) \
|
|
static int \
|
|
__f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
|
|
struct hist_entry *he) \
|
|
{ \
|
|
struct c2c_hist_entry *c2c_he; \
|
|
int width = c2c_width(fmt, hpp, he->hists); \
|
|
\
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); \
|
|
return scnprintf(hpp->buf, hpp->size, "%*u", width, \
|
|
c2c_he->stats.__f); \
|
|
}
|
|
|
|
#define STAT_FN_CMP(__f) \
|
|
static int64_t \
|
|
__f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
|
|
struct hist_entry *left, struct hist_entry *right) \
|
|
{ \
|
|
struct c2c_hist_entry *c2c_left, *c2c_right; \
|
|
\
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he); \
|
|
c2c_right = container_of(right, struct c2c_hist_entry, he); \
|
|
return (uint64_t) c2c_left->stats.__f - \
|
|
(uint64_t) c2c_right->stats.__f; \
|
|
}
|
|
|
|
#define STAT_FN(__f) \
|
|
STAT_FN_ENTRY(__f) \
|
|
STAT_FN_CMP(__f)
|
|
|
|
STAT_FN(rmt_hitm)
|
|
STAT_FN(lcl_hitm)
|
|
STAT_FN(rmt_peer)
|
|
STAT_FN(lcl_peer)
|
|
STAT_FN(tot_peer)
|
|
STAT_FN(store)
|
|
STAT_FN(st_l1hit)
|
|
STAT_FN(st_l1miss)
|
|
STAT_FN(st_na)
|
|
STAT_FN(ld_fbhit)
|
|
STAT_FN(ld_l1hit)
|
|
STAT_FN(ld_l2hit)
|
|
STAT_FN(ld_llchit)
|
|
STAT_FN(rmt_hit)
|
|
|
|
static uint64_t get_load_llc_misses(struct c2c_stats *stats)
|
|
{
|
|
return stats->lcl_dram +
|
|
stats->rmt_dram +
|
|
stats->rmt_hitm +
|
|
stats->rmt_hit;
|
|
}
|
|
|
|
static uint64_t get_load_cache_hits(struct c2c_stats *stats)
|
|
{
|
|
return stats->ld_fbhit +
|
|
stats->ld_l1hit +
|
|
stats->ld_l2hit +
|
|
stats->ld_llchit +
|
|
stats->lcl_hitm;
|
|
}
|
|
|
|
static uint64_t get_stores(struct c2c_stats *stats)
|
|
{
|
|
return stats->st_l1hit +
|
|
stats->st_l1miss +
|
|
stats->st_na;
|
|
}
|
|
|
|
static uint64_t total_records(struct c2c_stats *stats)
|
|
{
|
|
return get_load_llc_misses(stats) +
|
|
get_load_cache_hits(stats) +
|
|
get_stores(stats);
|
|
}
|
|
|
|
static int
|
|
tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
uint64_t tot_recs;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
tot_recs = total_records(&c2c_he->stats);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
|
|
}
|
|
|
|
static int64_t
|
|
tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
struct c2c_hist_entry *c2c_left;
|
|
struct c2c_hist_entry *c2c_right;
|
|
uint64_t tot_recs_left;
|
|
uint64_t tot_recs_right;
|
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he);
|
|
c2c_right = container_of(right, struct c2c_hist_entry, he);
|
|
|
|
tot_recs_left = total_records(&c2c_left->stats);
|
|
tot_recs_right = total_records(&c2c_right->stats);
|
|
|
|
return tot_recs_left - tot_recs_right;
|
|
}
|
|
|
|
static uint64_t total_loads(struct c2c_stats *stats)
|
|
{
|
|
return get_load_llc_misses(stats) +
|
|
get_load_cache_hits(stats);
|
|
}
|
|
|
|
static int
|
|
tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
uint64_t tot_recs;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
tot_recs = total_loads(&c2c_he->stats);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
|
|
}
|
|
|
|
static int64_t
|
|
tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
struct c2c_hist_entry *c2c_left;
|
|
struct c2c_hist_entry *c2c_right;
|
|
uint64_t tot_recs_left;
|
|
uint64_t tot_recs_right;
|
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he);
|
|
c2c_right = container_of(right, struct c2c_hist_entry, he);
|
|
|
|
tot_recs_left = total_loads(&c2c_left->stats);
|
|
tot_recs_right = total_loads(&c2c_right->stats);
|
|
|
|
return tot_recs_left - tot_recs_right;
|
|
}
|
|
|
|
typedef double (get_percent_cb)(struct c2c_hist_entry *);
|
|
|
|
static int
|
|
percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he, get_percent_cb get_percent)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
per = get_percent(c2c_he);
|
|
|
|
#ifdef HAVE_SLANG_SUPPORT
|
|
if (use_browser)
|
|
return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
|
|
#endif
|
|
return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
|
|
}
|
|
|
|
static double percent_costly_snoop(struct c2c_hist_entry *c2c_he)
|
|
{
|
|
struct c2c_hists *hists;
|
|
struct c2c_stats *stats;
|
|
struct c2c_stats *total;
|
|
int tot = 0, st = 0;
|
|
double p;
|
|
|
|
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
|
|
stats = &c2c_he->stats;
|
|
total = &hists->stats;
|
|
|
|
switch (c2c.display) {
|
|
case DISPLAY_RMT_HITM:
|
|
st = stats->rmt_hitm;
|
|
tot = total->rmt_hitm;
|
|
break;
|
|
case DISPLAY_LCL_HITM:
|
|
st = stats->lcl_hitm;
|
|
tot = total->lcl_hitm;
|
|
break;
|
|
case DISPLAY_TOT_HITM:
|
|
st = stats->tot_hitm;
|
|
tot = total->tot_hitm;
|
|
break;
|
|
case DISPLAY_SNP_PEER:
|
|
st = stats->tot_peer;
|
|
tot = total->tot_peer;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
p = tot ? (double) st / tot : 0;
|
|
|
|
return 100 * p;
|
|
}
|
|
|
|
#define PERC_STR(__s, __v) \
|
|
({ \
|
|
scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
|
|
__s; \
|
|
})
|
|
|
|
static int
|
|
percent_costly_snoop_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[10];
|
|
double per;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
per = percent_costly_snoop(c2c_he);
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_costly_snoop_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_costly_snoop);
|
|
}
|
|
|
|
static int64_t
|
|
percent_costly_snoop_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
struct c2c_hist_entry *c2c_left;
|
|
struct c2c_hist_entry *c2c_right;
|
|
double per_left;
|
|
double per_right;
|
|
|
|
c2c_left = container_of(left, struct c2c_hist_entry, he);
|
|
c2c_right = container_of(right, struct c2c_hist_entry, he);
|
|
|
|
per_left = percent_costly_snoop(c2c_left);
|
|
per_right = percent_costly_snoop(c2c_right);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static struct c2c_stats *he_stats(struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
return &c2c_he->stats;
|
|
}
|
|
|
|
static struct c2c_stats *total_stats(struct hist_entry *he)
|
|
{
|
|
struct c2c_hists *hists;
|
|
|
|
hists = container_of(he->hists, struct c2c_hists, hists);
|
|
return &hists->stats;
|
|
}
|
|
|
|
static double percent(u32 st, u32 tot)
|
|
{
|
|
return tot ? 100. * (double) st / (double) tot : 0;
|
|
}
|
|
|
|
#define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
|
|
|
|
#define PERCENT_FN(__f) \
|
|
static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
|
|
{ \
|
|
struct c2c_hists *hists; \
|
|
\
|
|
hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
|
|
return percent(c2c_he->stats.__f, hists->stats.__f); \
|
|
}
|
|
|
|
PERCENT_FN(rmt_hitm)
|
|
PERCENT_FN(lcl_hitm)
|
|
PERCENT_FN(rmt_peer)
|
|
PERCENT_FN(lcl_peer)
|
|
PERCENT_FN(st_l1hit)
|
|
PERCENT_FN(st_l1miss)
|
|
PERCENT_FN(st_na)
|
|
|
|
static int
|
|
percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, rmt_hitm);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_rmt_hitm);
|
|
}
|
|
|
|
static int64_t
|
|
percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, rmt_hitm);
|
|
per_right = PERCENT(right, rmt_hitm);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, lcl_hitm);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_lcl_hitm);
|
|
}
|
|
|
|
static int64_t
|
|
percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, lcl_hitm);
|
|
per_right = PERCENT(right, lcl_hitm);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_lcl_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, lcl_peer);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_lcl_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_lcl_peer);
|
|
}
|
|
|
|
static int64_t
|
|
percent_lcl_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, lcl_peer);
|
|
per_right = PERCENT(right, lcl_peer);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_rmt_peer_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, rmt_peer);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_rmt_peer_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_rmt_peer);
|
|
}
|
|
|
|
static int64_t
|
|
percent_rmt_peer_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, rmt_peer);
|
|
per_right = PERCENT(right, rmt_peer);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, st_l1hit);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_st_l1hit);
|
|
}
|
|
|
|
static int64_t
|
|
percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, st_l1hit);
|
|
per_right = PERCENT(right, st_l1hit);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, st_l1miss);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_st_l1miss);
|
|
}
|
|
|
|
static int64_t
|
|
percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, st_l1miss);
|
|
per_right = PERCENT(right, st_l1miss);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
static int
|
|
percent_stores_na_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
double per = PERCENT(he, st_na);
|
|
char buf[10];
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
|
|
}
|
|
|
|
static int
|
|
percent_stores_na_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
return percent_color(fmt, hpp, he, percent_st_na);
|
|
}
|
|
|
|
static int64_t
|
|
percent_stores_na_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
double per_left;
|
|
double per_right;
|
|
|
|
per_left = PERCENT(left, st_na);
|
|
per_right = PERCENT(right, st_na);
|
|
|
|
return per_left - per_right;
|
|
}
|
|
|
|
STAT_FN(lcl_dram)
|
|
STAT_FN(rmt_dram)
|
|
|
|
static int
|
|
pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
|
|
}
|
|
|
|
static int64_t
|
|
pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left, struct hist_entry *right)
|
|
{
|
|
return left->thread->pid_ - right->thread->pid_;
|
|
}
|
|
|
|
static int64_t
|
|
empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
|
|
struct hist_entry *left __maybe_unused,
|
|
struct hist_entry *right __maybe_unused)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static int display_metrics(struct perf_hpp *hpp, u32 val, u32 sum)
|
|
{
|
|
int ret;
|
|
|
|
if (sum != 0)
|
|
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ",
|
|
percent(val, sum));
|
|
else
|
|
ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
bool first = true;
|
|
int node;
|
|
int ret = 0;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
for (node = 0; node < c2c.nodes_cnt; node++) {
|
|
DECLARE_BITMAP(set, c2c.cpus_cnt);
|
|
|
|
bitmap_zero(set, c2c.cpus_cnt);
|
|
bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
|
|
|
|
if (bitmap_empty(set, c2c.cpus_cnt)) {
|
|
if (c2c.node_info == 1) {
|
|
ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
|
|
advance_hpp(hpp, ret);
|
|
}
|
|
continue;
|
|
}
|
|
|
|
if (!first) {
|
|
ret = scnprintf(hpp->buf, hpp->size, " ");
|
|
advance_hpp(hpp, ret);
|
|
}
|
|
|
|
switch (c2c.node_info) {
|
|
case 0:
|
|
ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
|
|
advance_hpp(hpp, ret);
|
|
break;
|
|
case 1:
|
|
{
|
|
int num = bitmap_weight(set, c2c.cpus_cnt);
|
|
struct c2c_stats *stats = &c2c_he->node_stats[node];
|
|
|
|
ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
|
|
advance_hpp(hpp, ret);
|
|
|
|
switch (c2c.display) {
|
|
case DISPLAY_RMT_HITM:
|
|
ret = display_metrics(hpp, stats->rmt_hitm,
|
|
c2c_he->stats.rmt_hitm);
|
|
break;
|
|
case DISPLAY_LCL_HITM:
|
|
ret = display_metrics(hpp, stats->lcl_hitm,
|
|
c2c_he->stats.lcl_hitm);
|
|
break;
|
|
case DISPLAY_TOT_HITM:
|
|
ret = display_metrics(hpp, stats->tot_hitm,
|
|
c2c_he->stats.tot_hitm);
|
|
break;
|
|
case DISPLAY_SNP_PEER:
|
|
ret = display_metrics(hpp, stats->tot_peer,
|
|
c2c_he->stats.tot_peer);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
advance_hpp(hpp, ret);
|
|
|
|
if (c2c_he->stats.store > 0) {
|
|
ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
|
|
percent(stats->store, c2c_he->stats.store));
|
|
} else {
|
|
ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
|
|
}
|
|
|
|
advance_hpp(hpp, ret);
|
|
break;
|
|
}
|
|
case 2:
|
|
ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
|
|
advance_hpp(hpp, ret);
|
|
|
|
ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
|
|
advance_hpp(hpp, ret);
|
|
|
|
ret = scnprintf(hpp->buf, hpp->size, "}");
|
|
advance_hpp(hpp, ret);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
first = false;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he, double mean)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[10];
|
|
|
|
scnprintf(buf, 10, "%6.0f", mean);
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
|
|
}
|
|
|
|
#define MEAN_ENTRY(__func, __val) \
|
|
static int \
|
|
__func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
|
|
{ \
|
|
struct c2c_hist_entry *c2c_he; \
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he); \
|
|
return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
|
|
}
|
|
|
|
MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
|
|
MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
|
|
MEAN_ENTRY(mean_load_entry, load);
|
|
MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
|
|
MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
|
|
|
|
static int
|
|
cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[10];
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
|
|
}
|
|
|
|
static int
|
|
cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
char buf[10];
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
|
|
}
|
|
|
|
static int
|
|
cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
int width = c2c_width(fmt, hpp, he->hists);
|
|
|
|
return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
|
|
}
|
|
|
|
#define HEADER_LOW(__h) \
|
|
{ \
|
|
.line[1] = { \
|
|
.text = __h, \
|
|
}, \
|
|
}
|
|
|
|
#define HEADER_BOTH(__h0, __h1) \
|
|
{ \
|
|
.line[0] = { \
|
|
.text = __h0, \
|
|
}, \
|
|
.line[1] = { \
|
|
.text = __h1, \
|
|
}, \
|
|
}
|
|
|
|
#define HEADER_SPAN(__h0, __h1, __s) \
|
|
{ \
|
|
.line[0] = { \
|
|
.text = __h0, \
|
|
.span = __s, \
|
|
}, \
|
|
.line[1] = { \
|
|
.text = __h1, \
|
|
}, \
|
|
}
|
|
|
|
#define HEADER_SPAN_LOW(__h) \
|
|
{ \
|
|
.line[1] = { \
|
|
.text = __h, \
|
|
}, \
|
|
}
|
|
|
|
static struct c2c_dimension dim_dcacheline = {
|
|
.header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
|
|
.name = "dcacheline",
|
|
.cmp = dcacheline_cmp,
|
|
.entry = dcacheline_entry,
|
|
.width = 18,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dcacheline_node = {
|
|
.header = HEADER_LOW("Node"),
|
|
.name = "dcacheline_node",
|
|
.cmp = empty_cmp,
|
|
.entry = dcacheline_node_entry,
|
|
.width = 4,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dcacheline_count = {
|
|
.header = HEADER_LOW("PA cnt"),
|
|
.name = "dcacheline_count",
|
|
.cmp = empty_cmp,
|
|
.entry = dcacheline_node_count,
|
|
.width = 6,
|
|
};
|
|
|
|
static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
|
|
|
|
static struct c2c_dimension dim_offset = {
|
|
.header = HEADER_SPAN("--- Data address -", "Offset", 2),
|
|
.name = "offset",
|
|
.cmp = offset_cmp,
|
|
.entry = offset_entry,
|
|
.width = 18,
|
|
};
|
|
|
|
static struct c2c_dimension dim_offset_node = {
|
|
.header = HEADER_LOW("Node"),
|
|
.name = "offset_node",
|
|
.cmp = empty_cmp,
|
|
.entry = dcacheline_node_entry,
|
|
.width = 4,
|
|
};
|
|
|
|
static struct c2c_dimension dim_iaddr = {
|
|
.header = HEADER_LOW("Code address"),
|
|
.name = "iaddr",
|
|
.cmp = iaddr_cmp,
|
|
.entry = iaddr_entry,
|
|
.width = 18,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tot_hitm = {
|
|
.header = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
|
|
.name = "tot_hitm",
|
|
.cmp = tot_hitm_cmp,
|
|
.entry = tot_hitm_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_lcl_hitm = {
|
|
.header = HEADER_SPAN_LOW("LclHitm"),
|
|
.name = "lcl_hitm",
|
|
.cmp = lcl_hitm_cmp,
|
|
.entry = lcl_hitm_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_rmt_hitm = {
|
|
.header = HEADER_SPAN_LOW("RmtHitm"),
|
|
.name = "rmt_hitm",
|
|
.cmp = rmt_hitm_cmp,
|
|
.entry = rmt_hitm_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tot_peer = {
|
|
.header = HEADER_SPAN("------- Load Peer -------", "Total", 2),
|
|
.name = "tot_peer",
|
|
.cmp = tot_peer_cmp,
|
|
.entry = tot_peer_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_lcl_peer = {
|
|
.header = HEADER_SPAN_LOW("Local"),
|
|
.name = "lcl_peer",
|
|
.cmp = lcl_peer_cmp,
|
|
.entry = lcl_peer_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_rmt_peer = {
|
|
.header = HEADER_SPAN_LOW("Remote"),
|
|
.name = "rmt_peer",
|
|
.cmp = rmt_peer_cmp,
|
|
.entry = rmt_peer_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_rmt_hitm = {
|
|
.header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
|
|
.name = "cl_rmt_hitm",
|
|
.cmp = rmt_hitm_cmp,
|
|
.entry = rmt_hitm_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_lcl_hitm = {
|
|
.header = HEADER_SPAN_LOW("Lcl"),
|
|
.name = "cl_lcl_hitm",
|
|
.cmp = lcl_hitm_cmp,
|
|
.entry = lcl_hitm_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_rmt_peer = {
|
|
.header = HEADER_SPAN("----- Peer -----", "Rmt", 1),
|
|
.name = "cl_rmt_peer",
|
|
.cmp = rmt_peer_cmp,
|
|
.entry = rmt_peer_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_lcl_peer = {
|
|
.header = HEADER_SPAN_LOW("Lcl"),
|
|
.name = "cl_lcl_peer",
|
|
.cmp = lcl_peer_cmp,
|
|
.entry = lcl_peer_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tot_stores = {
|
|
.header = HEADER_BOTH("Total", "Stores"),
|
|
.name = "tot_stores",
|
|
.cmp = store_cmp,
|
|
.entry = store_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_stores_l1hit = {
|
|
.header = HEADER_SPAN("--------- Stores --------", "L1Hit", 2),
|
|
.name = "stores_l1hit",
|
|
.cmp = st_l1hit_cmp,
|
|
.entry = st_l1hit_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_stores_l1miss = {
|
|
.header = HEADER_SPAN_LOW("L1Miss"),
|
|
.name = "stores_l1miss",
|
|
.cmp = st_l1miss_cmp,
|
|
.entry = st_l1miss_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_stores_na = {
|
|
.header = HEADER_SPAN_LOW("N/A"),
|
|
.name = "stores_na",
|
|
.cmp = st_na_cmp,
|
|
.entry = st_na_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_stores_l1hit = {
|
|
.header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
|
|
.name = "cl_stores_l1hit",
|
|
.cmp = st_l1hit_cmp,
|
|
.entry = st_l1hit_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_stores_l1miss = {
|
|
.header = HEADER_SPAN_LOW("L1 Miss"),
|
|
.name = "cl_stores_l1miss",
|
|
.cmp = st_l1miss_cmp,
|
|
.entry = st_l1miss_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cl_stores_na = {
|
|
.header = HEADER_SPAN_LOW("N/A"),
|
|
.name = "cl_stores_na",
|
|
.cmp = st_na_cmp,
|
|
.entry = st_na_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_ld_fbhit = {
|
|
.header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
|
|
.name = "ld_fbhit",
|
|
.cmp = ld_fbhit_cmp,
|
|
.entry = ld_fbhit_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_ld_l1hit = {
|
|
.header = HEADER_SPAN_LOW("L1"),
|
|
.name = "ld_l1hit",
|
|
.cmp = ld_l1hit_cmp,
|
|
.entry = ld_l1hit_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_ld_l2hit = {
|
|
.header = HEADER_SPAN_LOW("L2"),
|
|
.name = "ld_l2hit",
|
|
.cmp = ld_l2hit_cmp,
|
|
.entry = ld_l2hit_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_ld_llchit = {
|
|
.header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
|
|
.name = "ld_lclhit",
|
|
.cmp = ld_llchit_cmp,
|
|
.entry = ld_llchit_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_ld_rmthit = {
|
|
.header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
|
|
.name = "ld_rmthit",
|
|
.cmp = rmt_hit_cmp,
|
|
.entry = rmt_hit_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tot_recs = {
|
|
.header = HEADER_BOTH("Total", "records"),
|
|
.name = "tot_recs",
|
|
.cmp = tot_recs_cmp,
|
|
.entry = tot_recs_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tot_loads = {
|
|
.header = HEADER_BOTH("Total", "Loads"),
|
|
.name = "tot_loads",
|
|
.cmp = tot_loads_cmp,
|
|
.entry = tot_loads_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_header percent_costly_snoop_header[] = {
|
|
[DISPLAY_LCL_HITM] = HEADER_BOTH("Lcl", "Hitm"),
|
|
[DISPLAY_RMT_HITM] = HEADER_BOTH("Rmt", "Hitm"),
|
|
[DISPLAY_TOT_HITM] = HEADER_BOTH("Tot", "Hitm"),
|
|
[DISPLAY_SNP_PEER] = HEADER_BOTH("Peer", "Snoop"),
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_costly_snoop = {
|
|
.name = "percent_costly_snoop",
|
|
.cmp = percent_costly_snoop_cmp,
|
|
.entry = percent_costly_snoop_entry,
|
|
.color = percent_costly_snoop_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_rmt_hitm = {
|
|
.header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
|
|
.name = "percent_rmt_hitm",
|
|
.cmp = percent_rmt_hitm_cmp,
|
|
.entry = percent_rmt_hitm_entry,
|
|
.color = percent_rmt_hitm_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_lcl_hitm = {
|
|
.header = HEADER_SPAN_LOW("LclHitm"),
|
|
.name = "percent_lcl_hitm",
|
|
.cmp = percent_lcl_hitm_cmp,
|
|
.entry = percent_lcl_hitm_entry,
|
|
.color = percent_lcl_hitm_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_rmt_peer = {
|
|
.header = HEADER_SPAN("-- Peer Snoop --", "Rmt", 1),
|
|
.name = "percent_rmt_peer",
|
|
.cmp = percent_rmt_peer_cmp,
|
|
.entry = percent_rmt_peer_entry,
|
|
.color = percent_rmt_peer_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_lcl_peer = {
|
|
.header = HEADER_SPAN_LOW("Lcl"),
|
|
.name = "percent_lcl_peer",
|
|
.cmp = percent_lcl_peer_cmp,
|
|
.entry = percent_lcl_peer_entry,
|
|
.color = percent_lcl_peer_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_stores_l1hit = {
|
|
.header = HEADER_SPAN("------- Store Refs ------", "L1 Hit", 2),
|
|
.name = "percent_stores_l1hit",
|
|
.cmp = percent_stores_l1hit_cmp,
|
|
.entry = percent_stores_l1hit_entry,
|
|
.color = percent_stores_l1hit_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_stores_l1miss = {
|
|
.header = HEADER_SPAN_LOW("L1 Miss"),
|
|
.name = "percent_stores_l1miss",
|
|
.cmp = percent_stores_l1miss_cmp,
|
|
.entry = percent_stores_l1miss_entry,
|
|
.color = percent_stores_l1miss_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_percent_stores_na = {
|
|
.header = HEADER_SPAN_LOW("N/A"),
|
|
.name = "percent_stores_na",
|
|
.cmp = percent_stores_na_cmp,
|
|
.entry = percent_stores_na_entry,
|
|
.color = percent_stores_na_color,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dram_lcl = {
|
|
.header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
|
|
.name = "dram_lcl",
|
|
.cmp = lcl_dram_cmp,
|
|
.entry = lcl_dram_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dram_rmt = {
|
|
.header = HEADER_SPAN_LOW("Rmt"),
|
|
.name = "dram_rmt",
|
|
.cmp = rmt_dram_cmp,
|
|
.entry = rmt_dram_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_pid = {
|
|
.header = HEADER_LOW("Pid"),
|
|
.name = "pid",
|
|
.cmp = pid_cmp,
|
|
.entry = pid_entry,
|
|
.width = 7,
|
|
};
|
|
|
|
static struct c2c_dimension dim_tid = {
|
|
.header = HEADER_LOW("Tid"),
|
|
.name = "tid",
|
|
.se = &sort_thread,
|
|
};
|
|
|
|
static struct c2c_dimension dim_symbol = {
|
|
.name = "symbol",
|
|
.se = &sort_sym,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dso = {
|
|
.header = HEADER_BOTH("Shared", "Object"),
|
|
.name = "dso",
|
|
.se = &sort_dso,
|
|
};
|
|
|
|
static struct c2c_dimension dim_node = {
|
|
.name = "node",
|
|
.cmp = empty_cmp,
|
|
.entry = node_entry,
|
|
.width = 4,
|
|
};
|
|
|
|
static struct c2c_dimension dim_mean_rmt = {
|
|
.header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
|
|
.name = "mean_rmt",
|
|
.cmp = empty_cmp,
|
|
.entry = mean_rmt_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_mean_lcl = {
|
|
.header = HEADER_SPAN_LOW("lcl hitm"),
|
|
.name = "mean_lcl",
|
|
.cmp = empty_cmp,
|
|
.entry = mean_lcl_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_mean_load = {
|
|
.header = HEADER_SPAN_LOW("load"),
|
|
.name = "mean_load",
|
|
.cmp = empty_cmp,
|
|
.entry = mean_load_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_mean_rmt_peer = {
|
|
.header = HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
|
|
.name = "mean_rmt_peer",
|
|
.cmp = empty_cmp,
|
|
.entry = mean_rmt_peer_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_mean_lcl_peer = {
|
|
.header = HEADER_SPAN_LOW("lcl peer"),
|
|
.name = "mean_lcl_peer",
|
|
.cmp = empty_cmp,
|
|
.entry = mean_lcl_peer_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_cpucnt = {
|
|
.header = HEADER_BOTH("cpu", "cnt"),
|
|
.name = "cpucnt",
|
|
.cmp = empty_cmp,
|
|
.entry = cpucnt_entry,
|
|
.width = 8,
|
|
};
|
|
|
|
static struct c2c_dimension dim_srcline = {
|
|
.name = "cl_srcline",
|
|
.se = &sort_srcline,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dcacheline_idx = {
|
|
.header = HEADER_LOW("Index"),
|
|
.name = "cl_idx",
|
|
.cmp = empty_cmp,
|
|
.entry = cl_idx_entry,
|
|
.width = 5,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dcacheline_num = {
|
|
.header = HEADER_LOW("Num"),
|
|
.name = "cl_num",
|
|
.cmp = empty_cmp,
|
|
.entry = cl_idx_entry,
|
|
.width = 5,
|
|
};
|
|
|
|
static struct c2c_dimension dim_dcacheline_num_empty = {
|
|
.header = HEADER_LOW("Num"),
|
|
.name = "cl_num_empty",
|
|
.cmp = empty_cmp,
|
|
.entry = cl_idx_empty_entry,
|
|
.width = 5,
|
|
};
|
|
|
|
static struct c2c_dimension *dimensions[] = {
|
|
&dim_dcacheline,
|
|
&dim_dcacheline_node,
|
|
&dim_dcacheline_count,
|
|
&dim_offset,
|
|
&dim_offset_node,
|
|
&dim_iaddr,
|
|
&dim_tot_hitm,
|
|
&dim_lcl_hitm,
|
|
&dim_rmt_hitm,
|
|
&dim_tot_peer,
|
|
&dim_lcl_peer,
|
|
&dim_rmt_peer,
|
|
&dim_cl_lcl_hitm,
|
|
&dim_cl_rmt_hitm,
|
|
&dim_cl_lcl_peer,
|
|
&dim_cl_rmt_peer,
|
|
&dim_tot_stores,
|
|
&dim_stores_l1hit,
|
|
&dim_stores_l1miss,
|
|
&dim_stores_na,
|
|
&dim_cl_stores_l1hit,
|
|
&dim_cl_stores_l1miss,
|
|
&dim_cl_stores_na,
|
|
&dim_ld_fbhit,
|
|
&dim_ld_l1hit,
|
|
&dim_ld_l2hit,
|
|
&dim_ld_llchit,
|
|
&dim_ld_rmthit,
|
|
&dim_tot_recs,
|
|
&dim_tot_loads,
|
|
&dim_percent_costly_snoop,
|
|
&dim_percent_rmt_hitm,
|
|
&dim_percent_lcl_hitm,
|
|
&dim_percent_rmt_peer,
|
|
&dim_percent_lcl_peer,
|
|
&dim_percent_stores_l1hit,
|
|
&dim_percent_stores_l1miss,
|
|
&dim_percent_stores_na,
|
|
&dim_dram_lcl,
|
|
&dim_dram_rmt,
|
|
&dim_pid,
|
|
&dim_tid,
|
|
&dim_symbol,
|
|
&dim_dso,
|
|
&dim_node,
|
|
&dim_mean_rmt,
|
|
&dim_mean_lcl,
|
|
&dim_mean_rmt_peer,
|
|
&dim_mean_lcl_peer,
|
|
&dim_mean_load,
|
|
&dim_cpucnt,
|
|
&dim_srcline,
|
|
&dim_dcacheline_idx,
|
|
&dim_dcacheline_num,
|
|
&dim_dcacheline_num_empty,
|
|
NULL,
|
|
};
|
|
|
|
static void fmt_free(struct perf_hpp_fmt *fmt)
|
|
{
|
|
struct c2c_fmt *c2c_fmt;
|
|
|
|
c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
|
|
free(c2c_fmt);
|
|
}
|
|
|
|
static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
|
|
{
|
|
struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
|
|
struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
|
|
|
|
return c2c_a->dim == c2c_b->dim;
|
|
}
|
|
|
|
static struct c2c_dimension *get_dimension(const char *name)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; dimensions[i]; i++) {
|
|
struct c2c_dimension *dim = dimensions[i];
|
|
|
|
if (!strcmp(dim->name, name))
|
|
return dim;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
|
|
struct hist_entry *he)
|
|
{
|
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
|
|
struct c2c_dimension *dim = c2c_fmt->dim;
|
|
size_t len = fmt->user_len;
|
|
|
|
if (!len) {
|
|
len = hists__col_len(he->hists, dim->se->se_width_idx);
|
|
|
|
if (dim == &dim_symbol || dim == &dim_srcline)
|
|
len = symbol_width(he->hists, dim->se);
|
|
}
|
|
|
|
return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
|
|
}
|
|
|
|
static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
|
|
struct hist_entry *a, struct hist_entry *b)
|
|
{
|
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
|
|
struct c2c_dimension *dim = c2c_fmt->dim;
|
|
|
|
return dim->se->se_cmp(a, b);
|
|
}
|
|
|
|
static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
|
|
struct hist_entry *a, struct hist_entry *b)
|
|
{
|
|
struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
|
|
struct c2c_dimension *dim = c2c_fmt->dim;
|
|
int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
|
|
|
|
collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
|
|
return collapse_fn(a, b);
|
|
}
|
|
|
|
static struct c2c_fmt *get_format(const char *name)
|
|
{
|
|
struct c2c_dimension *dim = get_dimension(name);
|
|
struct c2c_fmt *c2c_fmt;
|
|
struct perf_hpp_fmt *fmt;
|
|
|
|
if (!dim)
|
|
return NULL;
|
|
|
|
c2c_fmt = zalloc(sizeof(*c2c_fmt));
|
|
if (!c2c_fmt)
|
|
return NULL;
|
|
|
|
c2c_fmt->dim = dim;
|
|
|
|
fmt = &c2c_fmt->fmt;
|
|
INIT_LIST_HEAD(&fmt->list);
|
|
INIT_LIST_HEAD(&fmt->sort_list);
|
|
|
|
fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
|
|
fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
|
|
fmt->color = dim->se ? NULL : dim->color;
|
|
fmt->entry = dim->se ? c2c_se_entry : dim->entry;
|
|
fmt->header = c2c_header;
|
|
fmt->width = c2c_width;
|
|
fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
|
|
fmt->equal = fmt_equal;
|
|
fmt->free = fmt_free;
|
|
|
|
return c2c_fmt;
|
|
}
|
|
|
|
static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
|
|
{
|
|
struct c2c_fmt *c2c_fmt = get_format(name);
|
|
|
|
if (!c2c_fmt) {
|
|
reset_dimensions();
|
|
return output_field_add(hpp_list, name);
|
|
}
|
|
|
|
perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
|
|
return 0;
|
|
}
|
|
|
|
static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
|
|
{
|
|
struct c2c_fmt *c2c_fmt = get_format(name);
|
|
struct c2c_dimension *dim;
|
|
|
|
if (!c2c_fmt) {
|
|
reset_dimensions();
|
|
return sort_dimension__add(hpp_list, name, NULL, 0);
|
|
}
|
|
|
|
dim = c2c_fmt->dim;
|
|
if (dim == &dim_dso)
|
|
hpp_list->dso = 1;
|
|
|
|
perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
|
|
return 0;
|
|
}
|
|
|
|
#define PARSE_LIST(_list, _fn) \
|
|
do { \
|
|
char *tmp, *tok; \
|
|
ret = 0; \
|
|
\
|
|
if (!_list) \
|
|
break; \
|
|
\
|
|
for (tok = strtok_r((char *)_list, ", ", &tmp); \
|
|
tok; tok = strtok_r(NULL, ", ", &tmp)) { \
|
|
ret = _fn(hpp_list, tok); \
|
|
if (ret == -EINVAL) { \
|
|
pr_err("Invalid --fields key: `%s'", tok); \
|
|
break; \
|
|
} else if (ret == -ESRCH) { \
|
|
pr_err("Unknown --fields key: `%s'", tok); \
|
|
break; \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
|
|
static int hpp_list__parse(struct perf_hpp_list *hpp_list,
|
|
const char *output_,
|
|
const char *sort_)
|
|
{
|
|
char *output = output_ ? strdup(output_) : NULL;
|
|
char *sort = sort_ ? strdup(sort_) : NULL;
|
|
int ret;
|
|
|
|
PARSE_LIST(output, c2c_hists__init_output);
|
|
PARSE_LIST(sort, c2c_hists__init_sort);
|
|
|
|
/* copy sort keys to output fields */
|
|
perf_hpp__setup_output_field(hpp_list);
|
|
|
|
/*
|
|
* We dont need other sorting keys other than those
|
|
* we already specified. It also really slows down
|
|
* the processing a lot with big number of output
|
|
* fields, so switching this off for c2c.
|
|
*/
|
|
|
|
#if 0
|
|
/* and then copy output fields to sort keys */
|
|
perf_hpp__append_sort_keys(&hists->list);
|
|
#endif
|
|
|
|
free(output);
|
|
free(sort);
|
|
return ret;
|
|
}
|
|
|
|
static int c2c_hists__init(struct c2c_hists *hists,
|
|
const char *sort,
|
|
int nr_header_lines)
|
|
{
|
|
__hists__init(&hists->hists, &hists->list);
|
|
|
|
/*
|
|
* Initialize only with sort fields, we need to resort
|
|
* later anyway, and that's where we add output fields
|
|
* as well.
|
|
*/
|
|
perf_hpp_list__init(&hists->list);
|
|
|
|
/* Overload number of header lines.*/
|
|
hists->list.nr_header_lines = nr_header_lines;
|
|
|
|
return hpp_list__parse(&hists->list, NULL, sort);
|
|
}
|
|
|
|
static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
|
|
const char *output,
|
|
const char *sort)
|
|
{
|
|
perf_hpp__reset_output_field(&c2c_hists->list);
|
|
return hpp_list__parse(&c2c_hists->list, output, sort);
|
|
}
|
|
|
|
#define DISPLAY_LINE_LIMIT 0.001
|
|
|
|
static u8 filter_display(u32 val, u32 sum)
|
|
{
|
|
if (sum == 0 || ((double)val / sum) < DISPLAY_LINE_LIMIT)
|
|
return HIST_FILTER__C2C;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
|
|
if (c2c.show_all)
|
|
return true;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
switch (c2c.display) {
|
|
case DISPLAY_LCL_HITM:
|
|
he->filtered = filter_display(c2c_he->stats.lcl_hitm,
|
|
stats->lcl_hitm);
|
|
break;
|
|
case DISPLAY_RMT_HITM:
|
|
he->filtered = filter_display(c2c_he->stats.rmt_hitm,
|
|
stats->rmt_hitm);
|
|
break;
|
|
case DISPLAY_TOT_HITM:
|
|
he->filtered = filter_display(c2c_he->stats.tot_hitm,
|
|
stats->tot_hitm);
|
|
break;
|
|
case DISPLAY_SNP_PEER:
|
|
he->filtered = filter_display(c2c_he->stats.tot_peer,
|
|
stats->tot_peer);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return he->filtered == 0;
|
|
}
|
|
|
|
static inline bool is_valid_hist_entry(struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
bool has_record = false;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
/* It's a valid entry if contains stores */
|
|
if (c2c_he->stats.store)
|
|
return true;
|
|
|
|
switch (c2c.display) {
|
|
case DISPLAY_LCL_HITM:
|
|
has_record = !!c2c_he->stats.lcl_hitm;
|
|
break;
|
|
case DISPLAY_RMT_HITM:
|
|
has_record = !!c2c_he->stats.rmt_hitm;
|
|
break;
|
|
case DISPLAY_TOT_HITM:
|
|
has_record = !!c2c_he->stats.tot_hitm;
|
|
break;
|
|
case DISPLAY_SNP_PEER:
|
|
has_record = !!c2c_he->stats.tot_peer;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return has_record;
|
|
}
|
|
|
|
static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
|
|
{
|
|
struct c2c_dimension *dim;
|
|
|
|
dim = &c2c.hists == c2c_he->hists ?
|
|
&dim_dcacheline_node : &dim_offset_node;
|
|
|
|
if (len > dim->width)
|
|
dim->width = len;
|
|
}
|
|
|
|
static int set_nodestr(struct c2c_hist_entry *c2c_he)
|
|
{
|
|
char buf[30];
|
|
int len;
|
|
|
|
if (c2c_he->nodestr)
|
|
return 0;
|
|
|
|
if (!bitmap_empty(c2c_he->nodeset, c2c.nodes_cnt)) {
|
|
len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
|
|
buf, sizeof(buf));
|
|
} else {
|
|
len = scnprintf(buf, sizeof(buf), "N/A");
|
|
}
|
|
|
|
set_node_width(c2c_he, len);
|
|
c2c_he->nodestr = strdup(buf);
|
|
return c2c_he->nodestr ? 0 : -ENOMEM;
|
|
}
|
|
|
|
static void calc_width(struct c2c_hist_entry *c2c_he)
|
|
{
|
|
struct c2c_hists *c2c_hists;
|
|
|
|
c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
|
|
hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
|
|
set_nodestr(c2c_he);
|
|
}
|
|
|
|
static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
if (c2c.show_src && !he->srcline)
|
|
he->srcline = hist_entry__srcline(he);
|
|
|
|
calc_width(c2c_he);
|
|
|
|
if (!is_valid_hist_entry(he))
|
|
he->filtered = HIST_FILTER__C2C;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
struct c2c_hists *c2c_hists;
|
|
bool display = he__display(he, &c2c.shared_clines_stats);
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
c2c_hists = c2c_he->hists;
|
|
|
|
if (display && c2c_hists) {
|
|
static unsigned int idx;
|
|
|
|
c2c_he->cacheline_idx = idx++;
|
|
calc_width(c2c_he);
|
|
|
|
c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
|
|
|
|
hists__collapse_resort(&c2c_hists->hists, NULL);
|
|
hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct c2c_header header_node_0 = HEADER_LOW("Node");
|
|
static struct c2c_header header_node_1_hitms_stores =
|
|
HEADER_LOW("Node{cpus %hitms %stores}");
|
|
static struct c2c_header header_node_1_peers_stores =
|
|
HEADER_LOW("Node{cpus %peers %stores}");
|
|
static struct c2c_header header_node_2 = HEADER_LOW("Node{cpu list}");
|
|
|
|
static void setup_nodes_header(void)
|
|
{
|
|
switch (c2c.node_info) {
|
|
case 0:
|
|
dim_node.header = header_node_0;
|
|
break;
|
|
case 1:
|
|
if (c2c.display == DISPLAY_SNP_PEER)
|
|
dim_node.header = header_node_1_peers_stores;
|
|
else
|
|
dim_node.header = header_node_1_hitms_stores;
|
|
break;
|
|
case 2:
|
|
dim_node.header = header_node_2;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
static int setup_nodes(struct perf_session *session)
|
|
{
|
|
struct numa_node *n;
|
|
unsigned long **nodes;
|
|
int node, idx;
|
|
struct perf_cpu cpu;
|
|
int *cpu2node;
|
|
|
|
if (c2c.node_info > 2)
|
|
c2c.node_info = 2;
|
|
|
|
c2c.nodes_cnt = session->header.env.nr_numa_nodes;
|
|
c2c.cpus_cnt = session->header.env.nr_cpus_avail;
|
|
|
|
n = session->header.env.numa_nodes;
|
|
if (!n)
|
|
return -EINVAL;
|
|
|
|
nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
|
|
if (!nodes)
|
|
return -ENOMEM;
|
|
|
|
c2c.nodes = nodes;
|
|
|
|
cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
|
|
if (!cpu2node)
|
|
return -ENOMEM;
|
|
|
|
for (idx = 0; idx < c2c.cpus_cnt; idx++)
|
|
cpu2node[idx] = -1;
|
|
|
|
c2c.cpu2node = cpu2node;
|
|
|
|
for (node = 0; node < c2c.nodes_cnt; node++) {
|
|
struct perf_cpu_map *map = n[node].map;
|
|
unsigned long *set;
|
|
|
|
set = bitmap_zalloc(c2c.cpus_cnt);
|
|
if (!set)
|
|
return -ENOMEM;
|
|
|
|
nodes[node] = set;
|
|
|
|
/* empty node, skip */
|
|
if (perf_cpu_map__empty(map))
|
|
continue;
|
|
|
|
perf_cpu_map__for_each_cpu(cpu, idx, map) {
|
|
__set_bit(cpu.cpu, set);
|
|
|
|
if (WARN_ONCE(cpu2node[cpu.cpu] != -1, "node/cpu topology bug"))
|
|
return -EINVAL;
|
|
|
|
cpu2node[cpu.cpu] = node;
|
|
}
|
|
}
|
|
|
|
setup_nodes_header();
|
|
return 0;
|
|
}
|
|
|
|
#define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
|
|
#define HAS_PEER(__h) ((__h)->stats.lcl_peer || (__h)->stats.rmt_peer)
|
|
|
|
static int resort_shared_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
|
|
if (HAS_HITMS(c2c_he) || HAS_PEER(c2c_he)) {
|
|
c2c.shared_clines++;
|
|
c2c_add_stats(&c2c.shared_clines_stats, &c2c_he->stats);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
|
|
{
|
|
struct rb_node *next = rb_first_cached(&hists->entries);
|
|
int ret = 0;
|
|
|
|
while (next) {
|
|
struct hist_entry *he;
|
|
|
|
he = rb_entry(next, struct hist_entry, rb_node);
|
|
ret = cb(he, NULL);
|
|
if (ret)
|
|
break;
|
|
next = rb_next(&he->rb_node);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void print_c2c__display_stats(FILE *out)
|
|
{
|
|
int llc_misses;
|
|
struct c2c_stats *stats = &c2c.hists.stats;
|
|
|
|
llc_misses = get_load_llc_misses(stats);
|
|
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Trace Event Information \n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Total records : %10d\n", stats->nr_entries);
|
|
fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
|
|
fprintf(out, " Load Operations : %10d\n", stats->load);
|
|
fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
|
|
fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
|
|
fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
|
|
fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
|
|
fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
|
|
fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
|
|
fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
|
|
fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
|
|
fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
|
|
fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
|
|
fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
|
|
fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
|
|
fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
|
|
fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
|
|
fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
|
|
fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
|
|
fprintf(out, " Load access blocked by data : %10d\n", stats->blk_data);
|
|
fprintf(out, " Load access blocked by address : %10d\n", stats->blk_addr);
|
|
fprintf(out, " Load HIT Local Peer : %10d\n", stats->lcl_peer);
|
|
fprintf(out, " Load HIT Remote Peer : %10d\n", stats->rmt_peer);
|
|
fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
|
|
fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
|
|
fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
|
|
fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
|
|
fprintf(out, " Store Operations : %10d\n", stats->store);
|
|
fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
|
|
fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
|
|
fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
|
|
fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
|
|
fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
|
|
fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
|
|
fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
|
|
}
|
|
|
|
static void print_shared_cacheline_info(FILE *out)
|
|
{
|
|
struct c2c_stats *stats = &c2c.shared_clines_stats;
|
|
int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
|
|
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Global Shared Cache Line Event Information \n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
|
|
fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
|
|
fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
|
|
fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
|
|
fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
|
|
fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
|
|
fprintf(out, " Load hits on peer cache or nodes : %10d\n", stats->lcl_peer + stats->rmt_peer);
|
|
fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
|
|
fprintf(out, " Blocked Access on shared lines : %10d\n", stats->blk_data + stats->blk_addr);
|
|
fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
|
|
fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
|
|
fprintf(out, " Store No available memory level : %10d\n", stats->st_na);
|
|
fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
|
|
}
|
|
|
|
static void print_cacheline(struct c2c_hists *c2c_hists,
|
|
struct hist_entry *he_cl,
|
|
struct perf_hpp_list *hpp_list,
|
|
FILE *out)
|
|
{
|
|
char bf[1000];
|
|
struct perf_hpp hpp = {
|
|
.buf = bf,
|
|
.size = 1000,
|
|
};
|
|
static bool once;
|
|
|
|
if (!once) {
|
|
hists__fprintf_headers(&c2c_hists->hists, out);
|
|
once = true;
|
|
} else {
|
|
fprintf(out, "\n");
|
|
}
|
|
|
|
fprintf(out, " ----------------------------------------------------------------------\n");
|
|
__hist_entry__snprintf(he_cl, &hpp, hpp_list);
|
|
fprintf(out, "%s\n", bf);
|
|
fprintf(out, " ----------------------------------------------------------------------\n");
|
|
|
|
hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
|
|
}
|
|
|
|
static void print_pareto(FILE *out)
|
|
{
|
|
struct perf_hpp_list hpp_list;
|
|
struct rb_node *nd;
|
|
int ret;
|
|
const char *cl_output;
|
|
|
|
if (c2c.display != DISPLAY_SNP_PEER)
|
|
cl_output = "cl_num,"
|
|
"cl_rmt_hitm,"
|
|
"cl_lcl_hitm,"
|
|
"cl_stores_l1hit,"
|
|
"cl_stores_l1miss,"
|
|
"cl_stores_na,"
|
|
"dcacheline";
|
|
else
|
|
cl_output = "cl_num,"
|
|
"cl_rmt_peer,"
|
|
"cl_lcl_peer,"
|
|
"cl_stores_l1hit,"
|
|
"cl_stores_l1miss,"
|
|
"cl_stores_na,"
|
|
"dcacheline";
|
|
|
|
perf_hpp_list__init(&hpp_list);
|
|
ret = hpp_list__parse(&hpp_list, cl_output, NULL);
|
|
|
|
if (WARN_ONCE(ret, "failed to setup sort entries\n"))
|
|
return;
|
|
|
|
nd = rb_first_cached(&c2c.hists.hists.entries);
|
|
|
|
for (; nd; nd = rb_next(nd)) {
|
|
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
|
|
struct c2c_hist_entry *c2c_he;
|
|
|
|
if (he->filtered)
|
|
continue;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
print_cacheline(c2c_he->hists, he, &hpp_list, out);
|
|
}
|
|
}
|
|
|
|
static void print_c2c_info(FILE *out, struct perf_session *session)
|
|
{
|
|
struct evlist *evlist = session->evlist;
|
|
struct evsel *evsel;
|
|
bool first = true;
|
|
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " c2c details \n");
|
|
fprintf(out, "=================================================\n");
|
|
|
|
evlist__for_each_entry(evlist, evsel) {
|
|
fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
|
|
first = false;
|
|
}
|
|
fprintf(out, " Cachelines sort on : %s\n",
|
|
display_str[c2c.display]);
|
|
fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
|
|
}
|
|
|
|
static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
|
|
{
|
|
setup_pager();
|
|
|
|
print_c2c__display_stats(out);
|
|
fprintf(out, "\n");
|
|
print_shared_cacheline_info(out);
|
|
fprintf(out, "\n");
|
|
print_c2c_info(out, session);
|
|
|
|
if (c2c.stats_only)
|
|
return;
|
|
|
|
fprintf(out, "\n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Shared Data Cache Line Table \n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, "#\n");
|
|
|
|
hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
|
|
|
|
fprintf(out, "\n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, " Shared Cache Line Distribution Pareto \n");
|
|
fprintf(out, "=================================================\n");
|
|
fprintf(out, "#\n");
|
|
|
|
print_pareto(out);
|
|
}
|
|
|
|
#ifdef HAVE_SLANG_SUPPORT
|
|
static void c2c_browser__update_nr_entries(struct hist_browser *hb)
|
|
{
|
|
u64 nr_entries = 0;
|
|
struct rb_node *nd = rb_first_cached(&hb->hists->entries);
|
|
|
|
while (nd) {
|
|
struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (!he->filtered)
|
|
nr_entries++;
|
|
|
|
nd = rb_next(nd);
|
|
}
|
|
|
|
hb->nr_non_filtered_entries = nr_entries;
|
|
}
|
|
|
|
struct c2c_cacheline_browser {
|
|
struct hist_browser hb;
|
|
struct hist_entry *he;
|
|
};
|
|
|
|
static int
|
|
perf_c2c_cacheline_browser__title(struct hist_browser *browser,
|
|
char *bf, size_t size)
|
|
{
|
|
struct c2c_cacheline_browser *cl_browser;
|
|
struct hist_entry *he;
|
|
uint64_t addr = 0;
|
|
|
|
cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
|
|
he = cl_browser->he;
|
|
|
|
if (he->mem_info)
|
|
addr = cl_address(he->mem_info->daddr.addr, chk_double_cl);
|
|
|
|
scnprintf(bf, size, "Cacheline 0x%lx", addr);
|
|
return 0;
|
|
}
|
|
|
|
static struct c2c_cacheline_browser*
|
|
c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
|
|
{
|
|
struct c2c_cacheline_browser *browser;
|
|
|
|
browser = zalloc(sizeof(*browser));
|
|
if (browser) {
|
|
hist_browser__init(&browser->hb, hists);
|
|
browser->hb.c2c_filter = true;
|
|
browser->hb.title = perf_c2c_cacheline_browser__title;
|
|
browser->he = he;
|
|
}
|
|
|
|
return browser;
|
|
}
|
|
|
|
static int perf_c2c__browse_cacheline(struct hist_entry *he)
|
|
{
|
|
struct c2c_hist_entry *c2c_he;
|
|
struct c2c_hists *c2c_hists;
|
|
struct c2c_cacheline_browser *cl_browser;
|
|
struct hist_browser *browser;
|
|
int key = -1;
|
|
static const char help[] =
|
|
" ENTER Toggle callchains (if present) \n"
|
|
" n Toggle Node details info \n"
|
|
" s Toggle full length of symbol and source line columns \n"
|
|
" q Return back to cacheline list \n";
|
|
|
|
if (!he)
|
|
return 0;
|
|
|
|
/* Display compact version first. */
|
|
c2c.symbol_full = false;
|
|
|
|
c2c_he = container_of(he, struct c2c_hist_entry, he);
|
|
c2c_hists = c2c_he->hists;
|
|
|
|
cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
|
|
if (cl_browser == NULL)
|
|
return -1;
|
|
|
|
browser = &cl_browser->hb;
|
|
|
|
/* reset abort key so that it can get Ctrl-C as a key */
|
|
SLang_reset_tty();
|
|
SLang_init_tty(0, 0, 0);
|
|
|
|
c2c_browser__update_nr_entries(browser);
|
|
|
|
while (1) {
|
|
key = hist_browser__run(browser, "? - help", true, 0);
|
|
|
|
switch (key) {
|
|
case 's':
|
|
c2c.symbol_full = !c2c.symbol_full;
|
|
break;
|
|
case 'n':
|
|
c2c.node_info = (c2c.node_info + 1) % 3;
|
|
setup_nodes_header();
|
|
break;
|
|
case 'q':
|
|
goto out;
|
|
case '?':
|
|
ui_browser__help_window(&browser->b, help);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
free(cl_browser);
|
|
return 0;
|
|
}
|
|
|
|
static int perf_c2c_browser__title(struct hist_browser *browser,
|
|
char *bf, size_t size)
|
|
{
|
|
scnprintf(bf, size,
|
|
"Shared Data Cache Line Table "
|
|
"(%lu entries, sorted on %s)",
|
|
browser->nr_non_filtered_entries,
|
|
display_str[c2c.display]);
|
|
return 0;
|
|
}
|
|
|
|
static struct hist_browser*
|
|
perf_c2c_browser__new(struct hists *hists)
|
|
{
|
|
struct hist_browser *browser = hist_browser__new(hists);
|
|
|
|
if (browser) {
|
|
browser->title = perf_c2c_browser__title;
|
|
browser->c2c_filter = true;
|
|
}
|
|
|
|
return browser;
|
|
}
|
|
|
|
static int perf_c2c__hists_browse(struct hists *hists)
|
|
{
|
|
struct hist_browser *browser;
|
|
int key = -1;
|
|
static const char help[] =
|
|
" d Display cacheline details \n"
|
|
" ENTER Toggle callchains (if present) \n"
|
|
" q Quit \n";
|
|
|
|
browser = perf_c2c_browser__new(hists);
|
|
if (browser == NULL)
|
|
return -1;
|
|
|
|
/* reset abort key so that it can get Ctrl-C as a key */
|
|
SLang_reset_tty();
|
|
SLang_init_tty(0, 0, 0);
|
|
|
|
c2c_browser__update_nr_entries(browser);
|
|
|
|
while (1) {
|
|
key = hist_browser__run(browser, "? - help", true, 0);
|
|
|
|
switch (key) {
|
|
case 'q':
|
|
goto out;
|
|
case 'd':
|
|
perf_c2c__browse_cacheline(browser->he_selection);
|
|
break;
|
|
case '?':
|
|
ui_browser__help_window(&browser->b, help);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
out:
|
|
hist_browser__delete(browser);
|
|
return 0;
|
|
}
|
|
|
|
static void perf_c2c_display(struct perf_session *session)
|
|
{
|
|
if (use_browser == 0)
|
|
perf_c2c__hists_fprintf(stdout, session);
|
|
else
|
|
perf_c2c__hists_browse(&c2c.hists.hists);
|
|
}
|
|
#else
|
|
static void perf_c2c_display(struct perf_session *session)
|
|
{
|
|
use_browser = 0;
|
|
perf_c2c__hists_fprintf(stdout, session);
|
|
}
|
|
#endif /* HAVE_SLANG_SUPPORT */
|
|
|
|
static char *fill_line(const char *orig, int len)
|
|
{
|
|
int i, j, olen = strlen(orig);
|
|
char *buf;
|
|
|
|
buf = zalloc(len + 1);
|
|
if (!buf)
|
|
return NULL;
|
|
|
|
j = len / 2 - olen / 2;
|
|
|
|
for (i = 0; i < j - 1; i++)
|
|
buf[i] = '-';
|
|
|
|
buf[i++] = ' ';
|
|
|
|
strcpy(buf + i, orig);
|
|
|
|
i += olen;
|
|
|
|
buf[i++] = ' ';
|
|
|
|
for (; i < len; i++)
|
|
buf[i] = '-';
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int ui_quirks(void)
|
|
{
|
|
const char *nodestr = "Data address";
|
|
char *buf;
|
|
|
|
if (!c2c.use_stdio) {
|
|
dim_offset.width = 5;
|
|
dim_offset.header = header_offset_tui;
|
|
nodestr = chk_double_cl ? "Double-CL" : "CL";
|
|
}
|
|
|
|
dim_percent_costly_snoop.header = percent_costly_snoop_header[c2c.display];
|
|
|
|
/* Fix the zero line for dcacheline column. */
|
|
buf = fill_line(chk_double_cl ? "Double-Cacheline" : "Cacheline",
|
|
dim_dcacheline.width +
|
|
dim_dcacheline_node.width +
|
|
dim_dcacheline_count.width + 4);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
dim_dcacheline.header.line[0].text = buf;
|
|
|
|
/* Fix the zero line for offset column. */
|
|
buf = fill_line(nodestr, dim_offset.width +
|
|
dim_offset_node.width +
|
|
dim_dcacheline_count.width + 4);
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
dim_offset.header.line[0].text = buf;
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
|
|
|
|
const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
|
|
CALLCHAIN_REPORT_HELP
|
|
"\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
|
|
|
|
static int
|
|
parse_callchain_opt(const struct option *opt, const char *arg, int unset)
|
|
{
|
|
struct callchain_param *callchain = opt->value;
|
|
|
|
callchain->enabled = !unset;
|
|
/*
|
|
* --no-call-graph
|
|
*/
|
|
if (unset) {
|
|
symbol_conf.use_callchain = false;
|
|
callchain->mode = CHAIN_NONE;
|
|
return 0;
|
|
}
|
|
|
|
return parse_callchain_report_opt(arg);
|
|
}
|
|
|
|
static int setup_callchain(struct evlist *evlist)
|
|
{
|
|
u64 sample_type = evlist__combined_sample_type(evlist);
|
|
enum perf_call_graph_mode mode = CALLCHAIN_NONE;
|
|
|
|
if ((sample_type & PERF_SAMPLE_REGS_USER) &&
|
|
(sample_type & PERF_SAMPLE_STACK_USER)) {
|
|
mode = CALLCHAIN_DWARF;
|
|
dwarf_callchain_users = true;
|
|
} else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
|
|
mode = CALLCHAIN_LBR;
|
|
else if (sample_type & PERF_SAMPLE_CALLCHAIN)
|
|
mode = CALLCHAIN_FP;
|
|
|
|
if (!callchain_param.enabled &&
|
|
callchain_param.mode != CHAIN_NONE &&
|
|
mode != CALLCHAIN_NONE) {
|
|
symbol_conf.use_callchain = true;
|
|
if (callchain_register_param(&callchain_param) < 0) {
|
|
ui__error("Can't register callchain params.\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
|
|
ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
|
|
"Please apply --call-graph lbr when recording.\n");
|
|
c2c.stitch_lbr = false;
|
|
}
|
|
|
|
callchain_param.record_mode = mode;
|
|
callchain_param.min_percent = 0;
|
|
return 0;
|
|
}
|
|
|
|
static int setup_display(const char *str)
|
|
{
|
|
const char *display = str;
|
|
|
|
if (!strcmp(display, "tot"))
|
|
c2c.display = DISPLAY_TOT_HITM;
|
|
else if (!strcmp(display, "rmt"))
|
|
c2c.display = DISPLAY_RMT_HITM;
|
|
else if (!strcmp(display, "lcl"))
|
|
c2c.display = DISPLAY_LCL_HITM;
|
|
else if (!strcmp(display, "peer"))
|
|
c2c.display = DISPLAY_SNP_PEER;
|
|
else {
|
|
pr_err("failed: unknown display type: %s\n", str);
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define for_each_token(__tok, __buf, __sep, __tmp) \
|
|
for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
|
|
__tok = strtok_r(NULL, __sep, &__tmp))
|
|
|
|
static int build_cl_output(char *cl_sort, bool no_source)
|
|
{
|
|
char *tok, *tmp, *buf = strdup(cl_sort);
|
|
bool add_pid = false;
|
|
bool add_tid = false;
|
|
bool add_iaddr = false;
|
|
bool add_sym = false;
|
|
bool add_dso = false;
|
|
bool add_src = false;
|
|
int ret = 0;
|
|
|
|
if (!buf)
|
|
return -ENOMEM;
|
|
|
|
for_each_token(tok, buf, ",", tmp) {
|
|
if (!strcmp(tok, "tid")) {
|
|
add_tid = true;
|
|
} else if (!strcmp(tok, "pid")) {
|
|
add_pid = true;
|
|
} else if (!strcmp(tok, "iaddr")) {
|
|
add_iaddr = true;
|
|
add_sym = true;
|
|
add_dso = true;
|
|
add_src = no_source ? false : true;
|
|
} else if (!strcmp(tok, "dso")) {
|
|
add_dso = true;
|
|
} else if (strcmp(tok, "offset")) {
|
|
pr_err("unrecognized sort token: %s\n", tok);
|
|
ret = -EINVAL;
|
|
goto err;
|
|
}
|
|
}
|
|
|
|
if (asprintf(&c2c.cl_output,
|
|
"%s%s%s%s%s%s%s%s%s%s%s%s",
|
|
c2c.use_stdio ? "cl_num_empty," : "",
|
|
c2c.display == DISPLAY_SNP_PEER ? "percent_rmt_peer,"
|
|
"percent_lcl_peer," :
|
|
"percent_rmt_hitm,"
|
|
"percent_lcl_hitm,",
|
|
"percent_stores_l1hit,"
|
|
"percent_stores_l1miss,"
|
|
"percent_stores_na,"
|
|
"offset,offset_node,dcacheline_count,",
|
|
add_pid ? "pid," : "",
|
|
add_tid ? "tid," : "",
|
|
add_iaddr ? "iaddr," : "",
|
|
c2c.display == DISPLAY_SNP_PEER ? "mean_rmt_peer,"
|
|
"mean_lcl_peer," :
|
|
"mean_rmt,"
|
|
"mean_lcl,",
|
|
"mean_load,"
|
|
"tot_recs,"
|
|
"cpucnt,",
|
|
add_sym ? "symbol," : "",
|
|
add_dso ? "dso," : "",
|
|
add_src ? "cl_srcline," : "",
|
|
"node") < 0) {
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
c2c.show_src = add_src;
|
|
err:
|
|
free(buf);
|
|
return ret;
|
|
}
|
|
|
|
static int setup_coalesce(const char *coalesce, bool no_source)
|
|
{
|
|
const char *c = coalesce ?: coalesce_default;
|
|
const char *sort_str = NULL;
|
|
|
|
if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
|
|
return -ENOMEM;
|
|
|
|
if (build_cl_output(c2c.cl_sort, no_source))
|
|
return -1;
|
|
|
|
if (c2c.display == DISPLAY_TOT_HITM)
|
|
sort_str = "tot_hitm";
|
|
else if (c2c.display == DISPLAY_RMT_HITM)
|
|
sort_str = "rmt_hitm,lcl_hitm";
|
|
else if (c2c.display == DISPLAY_LCL_HITM)
|
|
sort_str = "lcl_hitm,rmt_hitm";
|
|
else if (c2c.display == DISPLAY_SNP_PEER)
|
|
sort_str = "tot_peer";
|
|
|
|
if (asprintf(&c2c.cl_resort, "offset,%s", sort_str) < 0)
|
|
return -ENOMEM;
|
|
|
|
pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
|
|
pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
|
|
pr_debug("coalesce output fields: %s\n", c2c.cl_output);
|
|
return 0;
|
|
}
|
|
|
|
static int perf_c2c__report(int argc, const char **argv)
|
|
{
|
|
struct itrace_synth_opts itrace_synth_opts = {
|
|
.set = true,
|
|
.mem = true, /* Only enable memory event */
|
|
.default_no_sample = true,
|
|
};
|
|
|
|
struct perf_session *session;
|
|
struct ui_progress prog;
|
|
struct perf_data data = {
|
|
.mode = PERF_DATA_MODE_READ,
|
|
};
|
|
char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
|
|
const char *display = NULL;
|
|
const char *coalesce = NULL;
|
|
bool no_source = false;
|
|
const struct option options[] = {
|
|
OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
|
|
"file", "vmlinux pathname"),
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
"the input file to process"),
|
|
OPT_INCR('N', "node-info", &c2c.node_info,
|
|
"show extra node info in report (repeat for more info)"),
|
|
OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
|
|
OPT_BOOLEAN(0, "stats", &c2c.stats_only,
|
|
"Display only statistic tables (implies --stdio)"),
|
|
OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
|
|
"Display full length of symbols"),
|
|
OPT_BOOLEAN(0, "no-source", &no_source,
|
|
"Do not display Source Line column"),
|
|
OPT_BOOLEAN(0, "show-all", &c2c.show_all,
|
|
"Show all captured HITM lines."),
|
|
OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
|
|
"print_type,threshold[,print_limit],order,sort_key[,branch],value",
|
|
callchain_help, &parse_callchain_opt,
|
|
callchain_default_opt),
|
|
OPT_STRING('d', "display", &display, "Switch HITM output type", "tot,lcl,rmt,peer"),
|
|
OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
|
|
"coalesce fields: pid,tid,iaddr,dso"),
|
|
OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
|
|
OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
|
|
"Enable LBR callgraph stitching approach"),
|
|
OPT_BOOLEAN(0, "double-cl", &chk_double_cl, "Detect adjacent cacheline false sharing"),
|
|
OPT_PARENT(c2c_options),
|
|
OPT_END()
|
|
};
|
|
int err = 0;
|
|
const char *output_str, *sort_str = NULL;
|
|
|
|
argc = parse_options(argc, argv, options, report_c2c_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
if (argc)
|
|
usage_with_options(report_c2c_usage, options);
|
|
|
|
#ifndef HAVE_SLANG_SUPPORT
|
|
c2c.use_stdio = true;
|
|
#endif
|
|
|
|
if (c2c.stats_only)
|
|
c2c.use_stdio = true;
|
|
|
|
err = symbol__validate_sym_arguments();
|
|
if (err)
|
|
goto out;
|
|
|
|
if (!input_name || !strlen(input_name))
|
|
input_name = "perf.data";
|
|
|
|
data.path = input_name;
|
|
data.force = symbol_conf.force;
|
|
|
|
session = perf_session__new(&data, &c2c.tool);
|
|
if (IS_ERR(session)) {
|
|
err = PTR_ERR(session);
|
|
pr_debug("Error creating perf session\n");
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* Use the 'tot' as default display type if user doesn't specify it;
|
|
* since Arm64 platform doesn't support HITMs flag, use 'peer' as the
|
|
* default display type.
|
|
*/
|
|
if (!display) {
|
|
if (!strcmp(perf_env__arch(&session->header.env), "arm64"))
|
|
display = "peer";
|
|
else
|
|
display = "tot";
|
|
}
|
|
|
|
err = setup_display(display);
|
|
if (err)
|
|
goto out_session;
|
|
|
|
err = setup_coalesce(coalesce, no_source);
|
|
if (err) {
|
|
pr_debug("Failed to initialize hists\n");
|
|
goto out_session;
|
|
}
|
|
|
|
err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
|
|
if (err) {
|
|
pr_debug("Failed to initialize hists\n");
|
|
goto out_session;
|
|
}
|
|
|
|
session->itrace_synth_opts = &itrace_synth_opts;
|
|
|
|
err = setup_nodes(session);
|
|
if (err) {
|
|
pr_err("Failed setup nodes\n");
|
|
goto out_session;
|
|
}
|
|
|
|
err = mem2node__init(&c2c.mem2node, &session->header.env);
|
|
if (err)
|
|
goto out_session;
|
|
|
|
err = setup_callchain(session->evlist);
|
|
if (err)
|
|
goto out_mem2node;
|
|
|
|
if (symbol__init(&session->header.env) < 0)
|
|
goto out_mem2node;
|
|
|
|
/* No pipe support at the moment. */
|
|
if (perf_data__is_pipe(session->data)) {
|
|
pr_debug("No pipe support at the moment.\n");
|
|
goto out_mem2node;
|
|
}
|
|
|
|
if (c2c.use_stdio)
|
|
use_browser = 0;
|
|
else
|
|
use_browser = 1;
|
|
|
|
setup_browser(false);
|
|
|
|
err = perf_session__process_events(session);
|
|
if (err) {
|
|
pr_err("failed to process sample\n");
|
|
goto out_mem2node;
|
|
}
|
|
|
|
if (c2c.display != DISPLAY_SNP_PEER)
|
|
output_str = "cl_idx,"
|
|
"dcacheline,"
|
|
"dcacheline_node,"
|
|
"dcacheline_count,"
|
|
"percent_costly_snoop,"
|
|
"tot_hitm,lcl_hitm,rmt_hitm,"
|
|
"tot_recs,"
|
|
"tot_loads,"
|
|
"tot_stores,"
|
|
"stores_l1hit,stores_l1miss,stores_na,"
|
|
"ld_fbhit,ld_l1hit,ld_l2hit,"
|
|
"ld_lclhit,lcl_hitm,"
|
|
"ld_rmthit,rmt_hitm,"
|
|
"dram_lcl,dram_rmt";
|
|
else
|
|
output_str = "cl_idx,"
|
|
"dcacheline,"
|
|
"dcacheline_node,"
|
|
"dcacheline_count,"
|
|
"percent_costly_snoop,"
|
|
"tot_peer,lcl_peer,rmt_peer,"
|
|
"tot_recs,"
|
|
"tot_loads,"
|
|
"tot_stores,"
|
|
"stores_l1hit,stores_l1miss,stores_na,"
|
|
"ld_fbhit,ld_l1hit,ld_l2hit,"
|
|
"ld_lclhit,lcl_hitm,"
|
|
"ld_rmthit,rmt_hitm,"
|
|
"dram_lcl,dram_rmt";
|
|
|
|
if (c2c.display == DISPLAY_TOT_HITM)
|
|
sort_str = "tot_hitm";
|
|
else if (c2c.display == DISPLAY_RMT_HITM)
|
|
sort_str = "rmt_hitm";
|
|
else if (c2c.display == DISPLAY_LCL_HITM)
|
|
sort_str = "lcl_hitm";
|
|
else if (c2c.display == DISPLAY_SNP_PEER)
|
|
sort_str = "tot_peer";
|
|
|
|
c2c_hists__reinit(&c2c.hists, output_str, sort_str);
|
|
|
|
ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
|
|
|
|
hists__collapse_resort(&c2c.hists.hists, NULL);
|
|
hists__output_resort_cb(&c2c.hists.hists, &prog, resort_shared_cl_cb);
|
|
hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
|
|
|
|
ui_progress__finish();
|
|
|
|
if (ui_quirks()) {
|
|
pr_err("failed to setup UI\n");
|
|
goto out_mem2node;
|
|
}
|
|
|
|
perf_c2c_display(session);
|
|
|
|
out_mem2node:
|
|
mem2node__exit(&c2c.mem2node);
|
|
out_session:
|
|
perf_session__delete(session);
|
|
out:
|
|
return err;
|
|
}
|
|
|
|
static int parse_record_events(const struct option *opt,
|
|
const char *str, int unset __maybe_unused)
|
|
{
|
|
bool *event_set = (bool *) opt->value;
|
|
|
|
if (!strcmp(str, "list")) {
|
|
perf_mem_events__list();
|
|
exit(0);
|
|
}
|
|
if (perf_mem_events__parse(str))
|
|
exit(-1);
|
|
|
|
*event_set = true;
|
|
return 0;
|
|
}
|
|
|
|
|
|
static const char * const __usage_record[] = {
|
|
"perf c2c record [<options>] [<command>]",
|
|
"perf c2c record [<options>] -- <command> [<options>]",
|
|
NULL
|
|
};
|
|
|
|
static const char * const *record_mem_usage = __usage_record;
|
|
|
|
static int perf_c2c__record(int argc, const char **argv)
|
|
{
|
|
int rec_argc, i = 0, j, rec_tmp_nr = 0;
|
|
const char **rec_argv;
|
|
char **rec_tmp;
|
|
int ret;
|
|
bool all_user = false, all_kernel = false;
|
|
bool event_set = false;
|
|
struct perf_mem_event *e;
|
|
struct option options[] = {
|
|
OPT_CALLBACK('e', "event", &event_set, "event",
|
|
"event selector. Use 'perf c2c record -e list' to list available events",
|
|
parse_record_events),
|
|
OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
|
|
OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
|
|
OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
|
|
OPT_PARENT(c2c_options),
|
|
OPT_END()
|
|
};
|
|
|
|
if (perf_mem_events__init()) {
|
|
pr_err("failed: memory events not supported\n");
|
|
return -1;
|
|
}
|
|
|
|
argc = parse_options(argc, argv, options, record_mem_usage,
|
|
PARSE_OPT_KEEP_UNKNOWN);
|
|
|
|
if (!perf_pmu__has_hybrid())
|
|
rec_argc = argc + 11; /* max number of arguments */
|
|
else
|
|
rec_argc = argc + 11 * perf_pmu__hybrid_pmu_num();
|
|
|
|
rec_argv = calloc(rec_argc + 1, sizeof(char *));
|
|
if (!rec_argv)
|
|
return -1;
|
|
|
|
rec_tmp = calloc(rec_argc + 1, sizeof(char *));
|
|
if (!rec_tmp) {
|
|
free(rec_argv);
|
|
return -1;
|
|
}
|
|
|
|
rec_argv[i++] = "record";
|
|
|
|
if (!event_set) {
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD_STORE);
|
|
/*
|
|
* The load and store operations are required, use the event
|
|
* PERF_MEM_EVENTS__LOAD_STORE if it is supported.
|
|
*/
|
|
if (e->tag) {
|
|
e->record = true;
|
|
rec_argv[i++] = "-W";
|
|
} else {
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
|
|
e->record = true;
|
|
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__STORE);
|
|
e->record = true;
|
|
}
|
|
}
|
|
|
|
e = perf_mem_events__ptr(PERF_MEM_EVENTS__LOAD);
|
|
if (e->record)
|
|
rec_argv[i++] = "-W";
|
|
|
|
rec_argv[i++] = "-d";
|
|
rec_argv[i++] = "--phys-data";
|
|
rec_argv[i++] = "--sample-cpu";
|
|
|
|
ret = perf_mem_events__record_args(rec_argv, &i, rec_tmp, &rec_tmp_nr);
|
|
if (ret)
|
|
goto out;
|
|
|
|
if (all_user)
|
|
rec_argv[i++] = "--all-user";
|
|
|
|
if (all_kernel)
|
|
rec_argv[i++] = "--all-kernel";
|
|
|
|
for (j = 0; j < argc; j++, i++)
|
|
rec_argv[i] = argv[j];
|
|
|
|
if (verbose > 0) {
|
|
pr_debug("calling: ");
|
|
|
|
j = 0;
|
|
|
|
while (rec_argv[j]) {
|
|
pr_debug("%s ", rec_argv[j]);
|
|
j++;
|
|
}
|
|
pr_debug("\n");
|
|
}
|
|
|
|
ret = cmd_record(i, rec_argv);
|
|
out:
|
|
for (i = 0; i < rec_tmp_nr; i++)
|
|
free(rec_tmp[i]);
|
|
|
|
free(rec_tmp);
|
|
free(rec_argv);
|
|
return ret;
|
|
}
|
|
|
|
int cmd_c2c(int argc, const char **argv)
|
|
{
|
|
argc = parse_options(argc, argv, c2c_options, c2c_usage,
|
|
PARSE_OPT_STOP_AT_NON_OPTION);
|
|
|
|
if (!argc)
|
|
usage_with_options(c2c_usage, c2c_options);
|
|
|
|
if (strlen(argv[0]) > 2 && strstarts("record", argv[0])) {
|
|
return perf_c2c__record(argc, argv);
|
|
} else if (strlen(argv[0]) > 2 && strstarts("report", argv[0])) {
|
|
return perf_c2c__report(argc, argv);
|
|
} else {
|
|
usage_with_options(c2c_usage, c2c_options);
|
|
}
|
|
|
|
return 0;
|
|
}
|