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![Namhyung Kim](/assets/img/avatar_default.png)
The hist_entry__add_cpumode_period() and hist_entry__decay() functions are dealing with hist_entry's stat fields only. Make them he_stat methods then. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Arun Sharma <asharma@fb.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung.kim@lge.com> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Rodrigo Campos <rodrigo@sdfg.com.ar> Link: http://lkml.kernel.org/r/1389677157-30513-5-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
940 lines
22 KiB
C
940 lines
22 KiB
C
#include "util.h"
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#include "build-id.h"
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#include "hist.h"
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#include "session.h"
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#include "sort.h"
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#include "evsel.h"
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#include <math.h>
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static bool hists__filter_entry_by_dso(struct hists *hists,
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struct hist_entry *he);
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static bool hists__filter_entry_by_thread(struct hists *hists,
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struct hist_entry *he);
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static bool hists__filter_entry_by_symbol(struct hists *hists,
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struct hist_entry *he);
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enum hist_filter {
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HIST_FILTER__DSO,
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HIST_FILTER__THREAD,
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HIST_FILTER__PARENT,
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HIST_FILTER__SYMBOL,
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};
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struct callchain_param callchain_param = {
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.mode = CHAIN_GRAPH_REL,
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.min_percent = 0.5,
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.order = ORDER_CALLEE,
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.key = CCKEY_FUNCTION
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};
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u16 hists__col_len(struct hists *hists, enum hist_column col)
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{
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return hists->col_len[col];
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}
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void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len)
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{
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hists->col_len[col] = len;
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}
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bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len)
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{
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if (len > hists__col_len(hists, col)) {
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hists__set_col_len(hists, col, len);
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return true;
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}
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return false;
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}
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void hists__reset_col_len(struct hists *hists)
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{
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enum hist_column col;
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for (col = 0; col < HISTC_NR_COLS; ++col)
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hists__set_col_len(hists, col, 0);
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}
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static void hists__set_unres_dso_col_len(struct hists *hists, int dso)
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{
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const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
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if (hists__col_len(hists, dso) < unresolved_col_width &&
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!symbol_conf.col_width_list_str && !symbol_conf.field_sep &&
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!symbol_conf.dso_list)
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hists__set_col_len(hists, dso, unresolved_col_width);
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}
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void hists__calc_col_len(struct hists *hists, struct hist_entry *h)
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{
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const unsigned int unresolved_col_width = BITS_PER_LONG / 4;
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int symlen;
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u16 len;
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/*
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* +4 accounts for '[x] ' priv level info
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* +2 accounts for 0x prefix on raw addresses
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* +3 accounts for ' y ' symtab origin info
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*/
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if (h->ms.sym) {
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symlen = h->ms.sym->namelen + 4;
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if (verbose)
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symlen += BITS_PER_LONG / 4 + 2 + 3;
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hists__new_col_len(hists, HISTC_SYMBOL, symlen);
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__new_col_len(hists, HISTC_SYMBOL, symlen);
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hists__set_unres_dso_col_len(hists, HISTC_DSO);
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}
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len = thread__comm_len(h->thread);
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if (hists__new_col_len(hists, HISTC_COMM, len))
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hists__set_col_len(hists, HISTC_THREAD, len + 6);
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if (h->ms.map) {
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len = dso__name_len(h->ms.map->dso);
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hists__new_col_len(hists, HISTC_DSO, len);
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}
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if (h->parent)
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hists__new_col_len(hists, HISTC_PARENT, h->parent->namelen);
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if (h->branch_info) {
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if (h->branch_info->from.sym) {
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symlen = (int)h->branch_info->from.sym->namelen + 4;
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if (verbose)
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symlen += BITS_PER_LONG / 4 + 2 + 3;
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hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
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symlen = dso__name_len(h->branch_info->from.map->dso);
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hists__new_col_len(hists, HISTC_DSO_FROM, symlen);
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen);
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hists__set_unres_dso_col_len(hists, HISTC_DSO_FROM);
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}
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if (h->branch_info->to.sym) {
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symlen = (int)h->branch_info->to.sym->namelen + 4;
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if (verbose)
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symlen += BITS_PER_LONG / 4 + 2 + 3;
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hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
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symlen = dso__name_len(h->branch_info->to.map->dso);
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hists__new_col_len(hists, HISTC_DSO_TO, symlen);
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen);
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hists__set_unres_dso_col_len(hists, HISTC_DSO_TO);
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}
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}
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if (h->mem_info) {
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if (h->mem_info->daddr.sym) {
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symlen = (int)h->mem_info->daddr.sym->namelen + 4
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+ unresolved_col_width + 2;
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hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
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symlen);
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL,
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symlen);
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}
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if (h->mem_info->daddr.map) {
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symlen = dso__name_len(h->mem_info->daddr.map->dso);
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hists__new_col_len(hists, HISTC_MEM_DADDR_DSO,
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symlen);
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
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}
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} else {
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symlen = unresolved_col_width + 4 + 2;
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hists__new_col_len(hists, HISTC_MEM_DADDR_SYMBOL, symlen);
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hists__set_unres_dso_col_len(hists, HISTC_MEM_DADDR_DSO);
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}
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hists__new_col_len(hists, HISTC_MEM_LOCKED, 6);
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hists__new_col_len(hists, HISTC_MEM_TLB, 22);
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hists__new_col_len(hists, HISTC_MEM_SNOOP, 12);
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hists__new_col_len(hists, HISTC_MEM_LVL, 21 + 3);
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hists__new_col_len(hists, HISTC_LOCAL_WEIGHT, 12);
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hists__new_col_len(hists, HISTC_GLOBAL_WEIGHT, 12);
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if (h->transaction)
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hists__new_col_len(hists, HISTC_TRANSACTION,
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hist_entry__transaction_len());
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}
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void hists__output_recalc_col_len(struct hists *hists, int max_rows)
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{
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struct rb_node *next = rb_first(&hists->entries);
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struct hist_entry *n;
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int row = 0;
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hists__reset_col_len(hists);
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while (next && row++ < max_rows) {
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n = rb_entry(next, struct hist_entry, rb_node);
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if (!n->filtered)
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hists__calc_col_len(hists, n);
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next = rb_next(&n->rb_node);
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}
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}
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static void he_stat__add_cpumode_period(struct he_stat *he_stat,
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unsigned int cpumode, u64 period)
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{
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switch (cpumode) {
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case PERF_RECORD_MISC_KERNEL:
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he_stat->period_sys += period;
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break;
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case PERF_RECORD_MISC_USER:
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he_stat->period_us += period;
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break;
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case PERF_RECORD_MISC_GUEST_KERNEL:
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he_stat->period_guest_sys += period;
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break;
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case PERF_RECORD_MISC_GUEST_USER:
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he_stat->period_guest_us += period;
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break;
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default:
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break;
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}
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}
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static void he_stat__add_period(struct he_stat *he_stat, u64 period,
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u64 weight)
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{
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he_stat->period += period;
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he_stat->weight += weight;
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he_stat->nr_events += 1;
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}
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static void he_stat__add_stat(struct he_stat *dest, struct he_stat *src)
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{
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dest->period += src->period;
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dest->period_sys += src->period_sys;
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dest->period_us += src->period_us;
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dest->period_guest_sys += src->period_guest_sys;
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dest->period_guest_us += src->period_guest_us;
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dest->nr_events += src->nr_events;
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dest->weight += src->weight;
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}
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static void he_stat__decay(struct he_stat *he_stat)
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{
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he_stat->period = (he_stat->period * 7) / 8;
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he_stat->nr_events = (he_stat->nr_events * 7) / 8;
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/* XXX need decay for weight too? */
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}
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static bool hists__decay_entry(struct hists *hists, struct hist_entry *he)
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{
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u64 prev_period = he->stat.period;
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if (prev_period == 0)
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return true;
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he_stat__decay(&he->stat);
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if (!he->filtered)
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hists->stats.total_period -= prev_period - he->stat.period;
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return he->stat.period == 0;
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}
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void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel)
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{
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struct rb_node *next = rb_first(&hists->entries);
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struct hist_entry *n;
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while (next) {
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n = rb_entry(next, struct hist_entry, rb_node);
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next = rb_next(&n->rb_node);
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/*
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* We may be annotating this, for instance, so keep it here in
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* case some it gets new samples, we'll eventually free it when
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* the user stops browsing and it agains gets fully decayed.
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*/
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if (((zap_user && n->level == '.') ||
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(zap_kernel && n->level != '.') ||
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hists__decay_entry(hists, n)) &&
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!n->used) {
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rb_erase(&n->rb_node, &hists->entries);
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if (sort__need_collapse)
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rb_erase(&n->rb_node_in, &hists->entries_collapsed);
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hist_entry__free(n);
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--hists->nr_entries;
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}
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}
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}
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/*
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* histogram, sorted on item, collects periods
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*/
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static struct hist_entry *hist_entry__new(struct hist_entry *template)
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{
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size_t callchain_size = symbol_conf.use_callchain ? sizeof(struct callchain_root) : 0;
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struct hist_entry *he = zalloc(sizeof(*he) + callchain_size);
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if (he != NULL) {
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*he = *template;
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if (he->ms.map)
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he->ms.map->referenced = true;
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if (he->branch_info) {
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/*
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* This branch info is (a part of) allocated from
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* machine__resolve_bstack() and will be freed after
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* adding new entries. So we need to save a copy.
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*/
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he->branch_info = malloc(sizeof(*he->branch_info));
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if (he->branch_info == NULL) {
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free(he);
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return NULL;
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}
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memcpy(he->branch_info, template->branch_info,
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sizeof(*he->branch_info));
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if (he->branch_info->from.map)
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he->branch_info->from.map->referenced = true;
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if (he->branch_info->to.map)
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he->branch_info->to.map->referenced = true;
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}
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if (he->mem_info) {
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if (he->mem_info->iaddr.map)
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he->mem_info->iaddr.map->referenced = true;
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if (he->mem_info->daddr.map)
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he->mem_info->daddr.map->referenced = true;
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}
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if (symbol_conf.use_callchain)
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callchain_init(he->callchain);
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INIT_LIST_HEAD(&he->pairs.node);
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}
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return he;
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}
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void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h)
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{
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if (!h->filtered) {
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hists__calc_col_len(hists, h);
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++hists->nr_entries;
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hists->stats.total_period += h->stat.period;
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}
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}
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static u8 symbol__parent_filter(const struct symbol *parent)
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{
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if (symbol_conf.exclude_other && parent == NULL)
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return 1 << HIST_FILTER__PARENT;
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return 0;
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}
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static struct hist_entry *add_hist_entry(struct hists *hists,
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struct hist_entry *entry,
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struct addr_location *al)
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{
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struct rb_node **p;
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struct rb_node *parent = NULL;
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struct hist_entry *he;
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int64_t cmp;
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u64 period = entry->stat.period;
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u64 weight = entry->stat.weight;
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p = &hists->entries_in->rb_node;
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while (*p != NULL) {
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parent = *p;
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he = rb_entry(parent, struct hist_entry, rb_node_in);
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/*
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* Make sure that it receives arguments in a same order as
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* hist_entry__collapse() so that we can use an appropriate
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* function when searching an entry regardless which sort
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* keys were used.
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*/
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cmp = hist_entry__cmp(he, entry);
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if (!cmp) {
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he_stat__add_period(&he->stat, period, weight);
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/*
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* This mem info was allocated from machine__resolve_mem
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* and will not be used anymore.
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*/
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zfree(&entry->mem_info);
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/* If the map of an existing hist_entry has
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* become out-of-date due to an exec() or
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* similar, update it. Otherwise we will
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* mis-adjust symbol addresses when computing
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* the history counter to increment.
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*/
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if (he->ms.map != entry->ms.map) {
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he->ms.map = entry->ms.map;
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if (he->ms.map)
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he->ms.map->referenced = true;
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}
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goto out;
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}
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if (cmp < 0)
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p = &(*p)->rb_left;
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else
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p = &(*p)->rb_right;
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}
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he = hist_entry__new(entry);
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if (!he)
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return NULL;
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hists->nr_entries++;
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rb_link_node(&he->rb_node_in, parent, p);
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rb_insert_color(&he->rb_node_in, hists->entries_in);
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out:
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he_stat__add_cpumode_period(&he->stat, al->cpumode, period);
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return he;
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}
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struct hist_entry *__hists__add_entry(struct hists *hists,
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struct addr_location *al,
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struct symbol *sym_parent,
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struct branch_info *bi,
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struct mem_info *mi,
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u64 period, u64 weight, u64 transaction)
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{
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struct hist_entry entry = {
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.thread = al->thread,
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.comm = thread__comm(al->thread),
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.ms = {
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.map = al->map,
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.sym = al->sym,
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},
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.cpu = al->cpu,
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.ip = al->addr,
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.level = al->level,
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.stat = {
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.nr_events = 1,
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.period = period,
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.weight = weight,
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},
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.parent = sym_parent,
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.filtered = symbol__parent_filter(sym_parent),
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.hists = hists,
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.branch_info = bi,
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.mem_info = mi,
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.transaction = transaction,
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};
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return add_hist_entry(hists, &entry, al);
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}
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int64_t
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hist_entry__cmp(struct hist_entry *left, struct hist_entry *right)
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{
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struct sort_entry *se;
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int64_t cmp = 0;
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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cmp = se->se_cmp(left, right);
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if (cmp)
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break;
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}
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return cmp;
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}
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int64_t
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hist_entry__collapse(struct hist_entry *left, struct hist_entry *right)
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{
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struct sort_entry *se;
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int64_t cmp = 0;
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list_for_each_entry(se, &hist_entry__sort_list, list) {
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int64_t (*f)(struct hist_entry *, struct hist_entry *);
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f = se->se_collapse ?: se->se_cmp;
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cmp = f(left, right);
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if (cmp)
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break;
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}
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return cmp;
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}
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void hist_entry__free(struct hist_entry *he)
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{
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zfree(&he->branch_info);
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zfree(&he->mem_info);
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free_srcline(he->srcline);
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free(he);
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}
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/*
|
|
* collapse the histogram
|
|
*/
|
|
|
|
static bool hists__collapse_insert_entry(struct hists *hists __maybe_unused,
|
|
struct rb_root *root,
|
|
struct hist_entry *he)
|
|
{
|
|
struct rb_node **p = &root->rb_node;
|
|
struct rb_node *parent = NULL;
|
|
struct hist_entry *iter;
|
|
int64_t cmp;
|
|
|
|
while (*p != NULL) {
|
|
parent = *p;
|
|
iter = rb_entry(parent, struct hist_entry, rb_node_in);
|
|
|
|
cmp = hist_entry__collapse(iter, he);
|
|
|
|
if (!cmp) {
|
|
he_stat__add_stat(&iter->stat, &he->stat);
|
|
|
|
if (symbol_conf.use_callchain) {
|
|
callchain_cursor_reset(&callchain_cursor);
|
|
callchain_merge(&callchain_cursor,
|
|
iter->callchain,
|
|
he->callchain);
|
|
}
|
|
hist_entry__free(he);
|
|
return false;
|
|
}
|
|
|
|
if (cmp < 0)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
rb_link_node(&he->rb_node_in, parent, p);
|
|
rb_insert_color(&he->rb_node_in, root);
|
|
return true;
|
|
}
|
|
|
|
static struct rb_root *hists__get_rotate_entries_in(struct hists *hists)
|
|
{
|
|
struct rb_root *root;
|
|
|
|
pthread_mutex_lock(&hists->lock);
|
|
|
|
root = hists->entries_in;
|
|
if (++hists->entries_in > &hists->entries_in_array[1])
|
|
hists->entries_in = &hists->entries_in_array[0];
|
|
|
|
pthread_mutex_unlock(&hists->lock);
|
|
|
|
return root;
|
|
}
|
|
|
|
static void hists__apply_filters(struct hists *hists, struct hist_entry *he)
|
|
{
|
|
hists__filter_entry_by_dso(hists, he);
|
|
hists__filter_entry_by_thread(hists, he);
|
|
hists__filter_entry_by_symbol(hists, he);
|
|
}
|
|
|
|
void hists__collapse_resort(struct hists *hists, struct ui_progress *prog)
|
|
{
|
|
struct rb_root *root;
|
|
struct rb_node *next;
|
|
struct hist_entry *n;
|
|
|
|
if (!sort__need_collapse)
|
|
return;
|
|
|
|
root = hists__get_rotate_entries_in(hists);
|
|
next = rb_first(root);
|
|
|
|
while (next) {
|
|
if (session_done())
|
|
break;
|
|
n = rb_entry(next, struct hist_entry, rb_node_in);
|
|
next = rb_next(&n->rb_node_in);
|
|
|
|
rb_erase(&n->rb_node_in, root);
|
|
if (hists__collapse_insert_entry(hists, &hists->entries_collapsed, n)) {
|
|
/*
|
|
* If it wasn't combined with one of the entries already
|
|
* collapsed, we need to apply the filters that may have
|
|
* been set by, say, the hist_browser.
|
|
*/
|
|
hists__apply_filters(hists, n);
|
|
}
|
|
if (prog)
|
|
ui_progress__update(prog, 1);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* reverse the map, sort on period.
|
|
*/
|
|
|
|
static int period_cmp(u64 period_a, u64 period_b)
|
|
{
|
|
if (period_a > period_b)
|
|
return 1;
|
|
if (period_a < period_b)
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int hist_entry__sort_on_period(struct hist_entry *a,
|
|
struct hist_entry *b)
|
|
{
|
|
int ret;
|
|
int i, nr_members;
|
|
struct perf_evsel *evsel;
|
|
struct hist_entry *pair;
|
|
u64 *periods_a, *periods_b;
|
|
|
|
ret = period_cmp(a->stat.period, b->stat.period);
|
|
if (ret || !symbol_conf.event_group)
|
|
return ret;
|
|
|
|
evsel = hists_to_evsel(a->hists);
|
|
nr_members = evsel->nr_members;
|
|
if (nr_members <= 1)
|
|
return ret;
|
|
|
|
periods_a = zalloc(sizeof(periods_a) * nr_members);
|
|
periods_b = zalloc(sizeof(periods_b) * nr_members);
|
|
|
|
if (!periods_a || !periods_b)
|
|
goto out;
|
|
|
|
list_for_each_entry(pair, &a->pairs.head, pairs.node) {
|
|
evsel = hists_to_evsel(pair->hists);
|
|
periods_a[perf_evsel__group_idx(evsel)] = pair->stat.period;
|
|
}
|
|
|
|
list_for_each_entry(pair, &b->pairs.head, pairs.node) {
|
|
evsel = hists_to_evsel(pair->hists);
|
|
periods_b[perf_evsel__group_idx(evsel)] = pair->stat.period;
|
|
}
|
|
|
|
for (i = 1; i < nr_members; i++) {
|
|
ret = period_cmp(periods_a[i], periods_b[i]);
|
|
if (ret)
|
|
break;
|
|
}
|
|
|
|
out:
|
|
free(periods_a);
|
|
free(periods_b);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void __hists__insert_output_entry(struct rb_root *entries,
|
|
struct hist_entry *he,
|
|
u64 min_callchain_hits)
|
|
{
|
|
struct rb_node **p = &entries->rb_node;
|
|
struct rb_node *parent = NULL;
|
|
struct hist_entry *iter;
|
|
|
|
if (symbol_conf.use_callchain)
|
|
callchain_param.sort(&he->sorted_chain, he->callchain,
|
|
min_callchain_hits, &callchain_param);
|
|
|
|
while (*p != NULL) {
|
|
parent = *p;
|
|
iter = rb_entry(parent, struct hist_entry, rb_node);
|
|
|
|
if (hist_entry__sort_on_period(he, iter) > 0)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
rb_insert_color(&he->rb_node, entries);
|
|
}
|
|
|
|
void hists__output_resort(struct hists *hists)
|
|
{
|
|
struct rb_root *root;
|
|
struct rb_node *next;
|
|
struct hist_entry *n;
|
|
u64 min_callchain_hits;
|
|
|
|
min_callchain_hits = hists->stats.total_period * (callchain_param.min_percent / 100);
|
|
|
|
if (sort__need_collapse)
|
|
root = &hists->entries_collapsed;
|
|
else
|
|
root = hists->entries_in;
|
|
|
|
next = rb_first(root);
|
|
hists->entries = RB_ROOT;
|
|
|
|
hists->nr_entries = 0;
|
|
hists->stats.total_period = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
while (next) {
|
|
n = rb_entry(next, struct hist_entry, rb_node_in);
|
|
next = rb_next(&n->rb_node_in);
|
|
|
|
__hists__insert_output_entry(&hists->entries, n, min_callchain_hits);
|
|
hists__inc_nr_entries(hists, n);
|
|
}
|
|
}
|
|
|
|
static void hists__remove_entry_filter(struct hists *hists, struct hist_entry *h,
|
|
enum hist_filter filter)
|
|
{
|
|
h->filtered &= ~(1 << filter);
|
|
if (h->filtered)
|
|
return;
|
|
|
|
++hists->nr_entries;
|
|
if (h->ms.unfolded)
|
|
hists->nr_entries += h->nr_rows;
|
|
h->row_offset = 0;
|
|
hists->stats.total_period += h->stat.period;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] += h->stat.nr_events;
|
|
|
|
hists__calc_col_len(hists, h);
|
|
}
|
|
|
|
|
|
static bool hists__filter_entry_by_dso(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
if (hists->dso_filter != NULL &&
|
|
(he->ms.map == NULL || he->ms.map->dso != hists->dso_filter)) {
|
|
he->filtered |= (1 << HIST_FILTER__DSO);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void hists__filter_by_dso(struct hists *hists)
|
|
{
|
|
struct rb_node *nd;
|
|
|
|
hists->nr_entries = hists->stats.total_period = 0;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (symbol_conf.exclude_other && !h->parent)
|
|
continue;
|
|
|
|
if (hists__filter_entry_by_dso(hists, h))
|
|
continue;
|
|
|
|
hists__remove_entry_filter(hists, h, HIST_FILTER__DSO);
|
|
}
|
|
}
|
|
|
|
static bool hists__filter_entry_by_thread(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
if (hists->thread_filter != NULL &&
|
|
he->thread != hists->thread_filter) {
|
|
he->filtered |= (1 << HIST_FILTER__THREAD);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void hists__filter_by_thread(struct hists *hists)
|
|
{
|
|
struct rb_node *nd;
|
|
|
|
hists->nr_entries = hists->stats.total_period = 0;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (hists__filter_entry_by_thread(hists, h))
|
|
continue;
|
|
|
|
hists__remove_entry_filter(hists, h, HIST_FILTER__THREAD);
|
|
}
|
|
}
|
|
|
|
static bool hists__filter_entry_by_symbol(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
if (hists->symbol_filter_str != NULL &&
|
|
(!he->ms.sym || strstr(he->ms.sym->name,
|
|
hists->symbol_filter_str) == NULL)) {
|
|
he->filtered |= (1 << HIST_FILTER__SYMBOL);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void hists__filter_by_symbol(struct hists *hists)
|
|
{
|
|
struct rb_node *nd;
|
|
|
|
hists->nr_entries = hists->stats.total_period = 0;
|
|
hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0;
|
|
hists__reset_col_len(hists);
|
|
|
|
for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) {
|
|
struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node);
|
|
|
|
if (hists__filter_entry_by_symbol(hists, h))
|
|
continue;
|
|
|
|
hists__remove_entry_filter(hists, h, HIST_FILTER__SYMBOL);
|
|
}
|
|
}
|
|
|
|
void events_stats__inc(struct events_stats *stats, u32 type)
|
|
{
|
|
++stats->nr_events[0];
|
|
++stats->nr_events[type];
|
|
}
|
|
|
|
void hists__inc_nr_events(struct hists *hists, u32 type)
|
|
{
|
|
events_stats__inc(&hists->stats, type);
|
|
}
|
|
|
|
static struct hist_entry *hists__add_dummy_entry(struct hists *hists,
|
|
struct hist_entry *pair)
|
|
{
|
|
struct rb_root *root;
|
|
struct rb_node **p;
|
|
struct rb_node *parent = NULL;
|
|
struct hist_entry *he;
|
|
int64_t cmp;
|
|
|
|
if (sort__need_collapse)
|
|
root = &hists->entries_collapsed;
|
|
else
|
|
root = hists->entries_in;
|
|
|
|
p = &root->rb_node;
|
|
|
|
while (*p != NULL) {
|
|
parent = *p;
|
|
he = rb_entry(parent, struct hist_entry, rb_node_in);
|
|
|
|
cmp = hist_entry__collapse(he, pair);
|
|
|
|
if (!cmp)
|
|
goto out;
|
|
|
|
if (cmp < 0)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
he = hist_entry__new(pair);
|
|
if (he) {
|
|
memset(&he->stat, 0, sizeof(he->stat));
|
|
he->hists = hists;
|
|
rb_link_node(&he->rb_node_in, parent, p);
|
|
rb_insert_color(&he->rb_node_in, root);
|
|
hists__inc_nr_entries(hists, he);
|
|
he->dummy = true;
|
|
}
|
|
out:
|
|
return he;
|
|
}
|
|
|
|
static struct hist_entry *hists__find_entry(struct hists *hists,
|
|
struct hist_entry *he)
|
|
{
|
|
struct rb_node *n;
|
|
|
|
if (sort__need_collapse)
|
|
n = hists->entries_collapsed.rb_node;
|
|
else
|
|
n = hists->entries_in->rb_node;
|
|
|
|
while (n) {
|
|
struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node_in);
|
|
int64_t cmp = hist_entry__collapse(iter, he);
|
|
|
|
if (cmp < 0)
|
|
n = n->rb_left;
|
|
else if (cmp > 0)
|
|
n = n->rb_right;
|
|
else
|
|
return iter;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
* Look for pairs to link to the leader buckets (hist_entries):
|
|
*/
|
|
void hists__match(struct hists *leader, struct hists *other)
|
|
{
|
|
struct rb_root *root;
|
|
struct rb_node *nd;
|
|
struct hist_entry *pos, *pair;
|
|
|
|
if (sort__need_collapse)
|
|
root = &leader->entries_collapsed;
|
|
else
|
|
root = leader->entries_in;
|
|
|
|
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
|
|
pos = rb_entry(nd, struct hist_entry, rb_node_in);
|
|
pair = hists__find_entry(other, pos);
|
|
|
|
if (pair)
|
|
hist_entry__add_pair(pair, pos);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Look for entries in the other hists that are not present in the leader, if
|
|
* we find them, just add a dummy entry on the leader hists, with period=0,
|
|
* nr_events=0, to serve as the list header.
|
|
*/
|
|
int hists__link(struct hists *leader, struct hists *other)
|
|
{
|
|
struct rb_root *root;
|
|
struct rb_node *nd;
|
|
struct hist_entry *pos, *pair;
|
|
|
|
if (sort__need_collapse)
|
|
root = &other->entries_collapsed;
|
|
else
|
|
root = other->entries_in;
|
|
|
|
for (nd = rb_first(root); nd; nd = rb_next(nd)) {
|
|
pos = rb_entry(nd, struct hist_entry, rb_node_in);
|
|
|
|
if (!hist_entry__has_pairs(pos)) {
|
|
pair = hists__add_dummy_entry(leader, pos);
|
|
if (pair == NULL)
|
|
return -1;
|
|
hist_entry__add_pair(pos, pair);
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|