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![Frederic Weisbecker](/assets/img/avatar_default.png)
Librarize register_idle_thread() used by annotate and report. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <1251693921-6579-1-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
1726 lines
37 KiB
C
1726 lines
37 KiB
C
/*
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* builtin-report.c
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*
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* Builtin report command: Analyze the perf.data input file,
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* look up and read DSOs and symbol information and display
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* a histogram of results, along various sorting keys.
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*/
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#include "builtin.h"
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#include "util/util.h"
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#include "util/color.h"
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#include <linux/list.h>
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#include "util/cache.h"
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#include <linux/rbtree.h>
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#include "util/symbol.h"
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#include "util/string.h"
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#include "util/callchain.h"
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#include "util/strlist.h"
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#include "util/values.h"
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#include "perf.h"
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#include "util/debug.h"
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#include "util/header.h"
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#include "util/parse-options.h"
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#include "util/parse-events.h"
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#include "util/thread.h"
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static char const *input_name = "perf.data";
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static char default_sort_order[] = "comm,dso,symbol";
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static char *sort_order = default_sort_order;
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static char *dso_list_str, *comm_list_str, *sym_list_str,
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*col_width_list_str;
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static struct strlist *dso_list, *comm_list, *sym_list;
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static char *field_sep;
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static int force;
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static int input;
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static int show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
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static int full_paths;
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static int show_nr_samples;
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static int show_threads;
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static struct perf_read_values show_threads_values;
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static char default_pretty_printing_style[] = "normal";
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static char *pretty_printing_style = default_pretty_printing_style;
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static unsigned long page_size;
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static unsigned long mmap_window = 32;
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static char default_parent_pattern[] = "^sys_|^do_page_fault";
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static char *parent_pattern = default_parent_pattern;
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static regex_t parent_regex;
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static int exclude_other = 1;
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static char callchain_default_opt[] = "fractal,0.5";
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static int callchain;
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static char __cwd[PATH_MAX];
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static char *cwd = __cwd;
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static int cwdlen;
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static struct rb_root threads;
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static struct thread *last_match;
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static struct perf_header *header;
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static
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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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};
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static u64 sample_type;
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static int repsep_fprintf(FILE *fp, const char *fmt, ...)
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{
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int n;
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va_list ap;
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va_start(ap, fmt);
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if (!field_sep)
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n = vfprintf(fp, fmt, ap);
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else {
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char *bf = NULL;
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n = vasprintf(&bf, fmt, ap);
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if (n > 0) {
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char *sep = bf;
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while (1) {
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sep = strchr(sep, *field_sep);
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if (sep == NULL)
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break;
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*sep = '.';
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}
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}
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fputs(bf, fp);
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free(bf);
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}
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va_end(ap);
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return n;
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}
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static unsigned int dsos__col_width,
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comms__col_width,
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threads__col_width;
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/*
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* histogram, sorted on item, collects counts
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*/
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static struct rb_root hist;
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struct hist_entry {
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struct rb_node rb_node;
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struct thread *thread;
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struct map *map;
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struct dso *dso;
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struct symbol *sym;
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struct symbol *parent;
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u64 ip;
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char level;
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struct callchain_node callchain;
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struct rb_root sorted_chain;
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u64 count;
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};
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/*
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* configurable sorting bits
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*/
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struct sort_entry {
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struct list_head list;
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const char *header;
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int64_t (*cmp)(struct hist_entry *, struct hist_entry *);
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int64_t (*collapse)(struct hist_entry *, struct hist_entry *);
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size_t (*print)(FILE *fp, struct hist_entry *, unsigned int width);
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unsigned int *width;
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bool elide;
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};
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static int64_t cmp_null(void *l, void *r)
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{
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if (!l && !r)
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return 0;
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else if (!l)
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return -1;
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else
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return 1;
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}
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/* --sort pid */
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static int64_t
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sort__thread_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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return right->thread->pid - left->thread->pid;
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}
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static size_t
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sort__thread_print(FILE *fp, struct hist_entry *self, unsigned int width)
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{
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return repsep_fprintf(fp, "%*s:%5d", width - 6,
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self->thread->comm ?: "", self->thread->pid);
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}
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static struct sort_entry sort_thread = {
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.header = "Command: Pid",
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.cmp = sort__thread_cmp,
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.print = sort__thread_print,
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.width = &threads__col_width,
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};
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/* --sort comm */
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static int64_t
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sort__comm_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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return right->thread->pid - left->thread->pid;
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}
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static int64_t
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sort__comm_collapse(struct hist_entry *left, struct hist_entry *right)
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{
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char *comm_l = left->thread->comm;
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char *comm_r = right->thread->comm;
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if (!comm_l || !comm_r)
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return cmp_null(comm_l, comm_r);
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return strcmp(comm_l, comm_r);
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}
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static size_t
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sort__comm_print(FILE *fp, struct hist_entry *self, unsigned int width)
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{
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return repsep_fprintf(fp, "%*s", width, self->thread->comm);
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}
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static struct sort_entry sort_comm = {
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.header = "Command",
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.cmp = sort__comm_cmp,
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.collapse = sort__comm_collapse,
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.print = sort__comm_print,
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.width = &comms__col_width,
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};
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/* --sort dso */
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static int64_t
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sort__dso_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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struct dso *dso_l = left->dso;
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struct dso *dso_r = right->dso;
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if (!dso_l || !dso_r)
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return cmp_null(dso_l, dso_r);
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return strcmp(dso_l->name, dso_r->name);
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}
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static size_t
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sort__dso_print(FILE *fp, struct hist_entry *self, unsigned int width)
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{
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if (self->dso)
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return repsep_fprintf(fp, "%-*s", width, self->dso->name);
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return repsep_fprintf(fp, "%*llx", width, (u64)self->ip);
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}
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static struct sort_entry sort_dso = {
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.header = "Shared Object",
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.cmp = sort__dso_cmp,
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.print = sort__dso_print,
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.width = &dsos__col_width,
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};
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/* --sort symbol */
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static int64_t
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sort__sym_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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u64 ip_l, ip_r;
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if (left->sym == right->sym)
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return 0;
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ip_l = left->sym ? left->sym->start : left->ip;
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ip_r = right->sym ? right->sym->start : right->ip;
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return (int64_t)(ip_r - ip_l);
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}
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static size_t
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sort__sym_print(FILE *fp, struct hist_entry *self, unsigned int width __used)
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{
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size_t ret = 0;
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if (verbose)
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ret += repsep_fprintf(fp, "%#018llx %c ", (u64)self->ip,
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dso__symtab_origin(self->dso));
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ret += repsep_fprintf(fp, "[%c] ", self->level);
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if (self->sym) {
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ret += repsep_fprintf(fp, "%s", self->sym->name);
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if (self->sym->module)
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ret += repsep_fprintf(fp, "\t[%s]",
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self->sym->module->name);
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} else {
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ret += repsep_fprintf(fp, "%#016llx", (u64)self->ip);
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}
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return ret;
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}
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static struct sort_entry sort_sym = {
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.header = "Symbol",
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.cmp = sort__sym_cmp,
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.print = sort__sym_print,
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};
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/* --sort parent */
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static int64_t
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sort__parent_cmp(struct hist_entry *left, struct hist_entry *right)
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{
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struct symbol *sym_l = left->parent;
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struct symbol *sym_r = right->parent;
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if (!sym_l || !sym_r)
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return cmp_null(sym_l, sym_r);
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return strcmp(sym_l->name, sym_r->name);
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}
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static size_t
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sort__parent_print(FILE *fp, struct hist_entry *self, unsigned int width)
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{
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return repsep_fprintf(fp, "%-*s", width,
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self->parent ? self->parent->name : "[other]");
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}
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static unsigned int parent_symbol__col_width;
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static struct sort_entry sort_parent = {
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.header = "Parent symbol",
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.cmp = sort__parent_cmp,
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.print = sort__parent_print,
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.width = &parent_symbol__col_width,
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};
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static int sort__need_collapse = 0;
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static int sort__has_parent = 0;
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struct sort_dimension {
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const char *name;
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struct sort_entry *entry;
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int taken;
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};
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static struct sort_dimension sort_dimensions[] = {
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{ .name = "pid", .entry = &sort_thread, },
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{ .name = "comm", .entry = &sort_comm, },
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{ .name = "dso", .entry = &sort_dso, },
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{ .name = "symbol", .entry = &sort_sym, },
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{ .name = "parent", .entry = &sort_parent, },
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};
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static LIST_HEAD(hist_entry__sort_list);
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static int sort_dimension__add(const char *tok)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(sort_dimensions); i++) {
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struct sort_dimension *sd = &sort_dimensions[i];
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if (sd->taken)
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continue;
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if (strncasecmp(tok, sd->name, strlen(tok)))
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continue;
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if (sd->entry->collapse)
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sort__need_collapse = 1;
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if (sd->entry == &sort_parent) {
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int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED);
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if (ret) {
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char err[BUFSIZ];
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regerror(ret, &parent_regex, err, sizeof(err));
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fprintf(stderr, "Invalid regex: %s\n%s",
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parent_pattern, err);
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exit(-1);
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}
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sort__has_parent = 1;
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}
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list_add_tail(&sd->entry->list, &hist_entry__sort_list);
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sd->taken = 1;
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return 0;
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}
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return -ESRCH;
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}
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static 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->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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static 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->collapse ?: 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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static size_t ipchain__fprintf_graph_line(FILE *fp, int depth, int depth_mask)
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{
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int i;
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size_t ret = 0;
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ret += fprintf(fp, "%s", " ");
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for (i = 0; i < depth; i++)
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if (depth_mask & (1 << i))
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ret += fprintf(fp, "| ");
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else
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ret += fprintf(fp, " ");
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ret += fprintf(fp, "\n");
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return ret;
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}
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static size_t
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ipchain__fprintf_graph(FILE *fp, struct callchain_list *chain, int depth,
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int depth_mask, int count, u64 total_samples,
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int hits)
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{
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int i;
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size_t ret = 0;
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ret += fprintf(fp, "%s", " ");
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for (i = 0; i < depth; i++) {
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if (depth_mask & (1 << i))
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ret += fprintf(fp, "|");
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else
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ret += fprintf(fp, " ");
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if (!count && i == depth - 1) {
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double percent;
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percent = hits * 100.0 / total_samples;
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ret += percent_color_fprintf(fp, "--%2.2f%%-- ", percent);
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} else
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ret += fprintf(fp, "%s", " ");
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}
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if (chain->sym)
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ret += fprintf(fp, "%s\n", chain->sym->name);
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else
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ret += fprintf(fp, "%p\n", (void *)(long)chain->ip);
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return ret;
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}
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static struct symbol *rem_sq_bracket;
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static struct callchain_list rem_hits;
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static void init_rem_hits(void)
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{
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rem_sq_bracket = malloc(sizeof(*rem_sq_bracket) + 6);
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if (!rem_sq_bracket) {
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fprintf(stderr, "Not enough memory to display remaining hits\n");
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return;
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}
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strcpy(rem_sq_bracket->name, "[...]");
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rem_hits.sym = rem_sq_bracket;
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}
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static size_t
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callchain__fprintf_graph(FILE *fp, struct callchain_node *self,
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u64 total_samples, int depth, int depth_mask)
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{
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struct rb_node *node, *next;
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struct callchain_node *child;
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struct callchain_list *chain;
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int new_depth_mask = depth_mask;
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u64 new_total;
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u64 remaining;
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size_t ret = 0;
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int i;
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if (callchain_param.mode == CHAIN_GRAPH_REL)
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new_total = self->children_hit;
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else
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new_total = total_samples;
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remaining = new_total;
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node = rb_first(&self->rb_root);
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while (node) {
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u64 cumul;
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child = rb_entry(node, struct callchain_node, rb_node);
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cumul = cumul_hits(child);
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remaining -= cumul;
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/*
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* The depth mask manages the output of pipes that show
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* the depth. We don't want to keep the pipes of the current
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* level for the last child of this depth.
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* Except if we have remaining filtered hits. They will
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* supersede the last child
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*/
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next = rb_next(node);
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if (!next && (callchain_param.mode != CHAIN_GRAPH_REL || !remaining))
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new_depth_mask &= ~(1 << (depth - 1));
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/*
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* But we keep the older depth mask for the line seperator
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* to keep the level link until we reach the last child
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*/
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ret += ipchain__fprintf_graph_line(fp, depth, depth_mask);
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i = 0;
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list_for_each_entry(chain, &child->val, list) {
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if (chain->ip >= PERF_CONTEXT_MAX)
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continue;
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ret += ipchain__fprintf_graph(fp, chain, depth,
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new_depth_mask, i++,
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new_total,
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cumul);
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}
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ret += callchain__fprintf_graph(fp, child, new_total,
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depth + 1,
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new_depth_mask | (1 << depth));
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node = next;
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}
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if (callchain_param.mode == CHAIN_GRAPH_REL &&
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remaining && remaining != new_total) {
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if (!rem_sq_bracket)
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return ret;
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new_depth_mask &= ~(1 << (depth - 1));
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ret += ipchain__fprintf_graph(fp, &rem_hits, depth,
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new_depth_mask, 0, new_total,
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remaining);
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}
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return ret;
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}
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|
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static size_t
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callchain__fprintf_flat(FILE *fp, struct callchain_node *self,
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u64 total_samples)
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{
|
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struct callchain_list *chain;
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size_t ret = 0;
|
|
|
|
if (!self)
|
|
return 0;
|
|
|
|
ret += callchain__fprintf_flat(fp, self->parent, total_samples);
|
|
|
|
|
|
list_for_each_entry(chain, &self->val, list) {
|
|
if (chain->ip >= PERF_CONTEXT_MAX)
|
|
continue;
|
|
if (chain->sym)
|
|
ret += fprintf(fp, " %s\n", chain->sym->name);
|
|
else
|
|
ret += fprintf(fp, " %p\n",
|
|
(void *)(long)chain->ip);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static size_t
|
|
hist_entry_callchain__fprintf(FILE *fp, struct hist_entry *self,
|
|
u64 total_samples)
|
|
{
|
|
struct rb_node *rb_node;
|
|
struct callchain_node *chain;
|
|
size_t ret = 0;
|
|
|
|
rb_node = rb_first(&self->sorted_chain);
|
|
while (rb_node) {
|
|
double percent;
|
|
|
|
chain = rb_entry(rb_node, struct callchain_node, rb_node);
|
|
percent = chain->hit * 100.0 / total_samples;
|
|
switch (callchain_param.mode) {
|
|
case CHAIN_FLAT:
|
|
ret += percent_color_fprintf(fp, " %6.2f%%\n",
|
|
percent);
|
|
ret += callchain__fprintf_flat(fp, chain, total_samples);
|
|
break;
|
|
case CHAIN_GRAPH_ABS: /* Falldown */
|
|
case CHAIN_GRAPH_REL:
|
|
ret += callchain__fprintf_graph(fp, chain,
|
|
total_samples, 1, 1);
|
|
case CHAIN_NONE:
|
|
default:
|
|
break;
|
|
}
|
|
ret += fprintf(fp, "\n");
|
|
rb_node = rb_next(rb_node);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static size_t
|
|
hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
|
|
{
|
|
struct sort_entry *se;
|
|
size_t ret;
|
|
|
|
if (exclude_other && !self->parent)
|
|
return 0;
|
|
|
|
if (total_samples)
|
|
ret = percent_color_fprintf(fp,
|
|
field_sep ? "%.2f" : " %6.2f%%",
|
|
(self->count * 100.0) / total_samples);
|
|
else
|
|
ret = fprintf(fp, field_sep ? "%lld" : "%12lld ", self->count);
|
|
|
|
if (show_nr_samples) {
|
|
if (field_sep)
|
|
fprintf(fp, "%c%lld", *field_sep, self->count);
|
|
else
|
|
fprintf(fp, "%11lld", self->count);
|
|
}
|
|
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
if (se->elide)
|
|
continue;
|
|
|
|
fprintf(fp, "%s", field_sep ?: " ");
|
|
ret += se->print(fp, self, se->width ? *se->width : 0);
|
|
}
|
|
|
|
ret += fprintf(fp, "\n");
|
|
|
|
if (callchain)
|
|
hist_entry_callchain__fprintf(fp, self, total_samples);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
*
|
|
*/
|
|
|
|
static void dso__calc_col_width(struct dso *self)
|
|
{
|
|
if (!col_width_list_str && !field_sep &&
|
|
(!dso_list || strlist__has_entry(dso_list, self->name))) {
|
|
unsigned int slen = strlen(self->name);
|
|
if (slen > dsos__col_width)
|
|
dsos__col_width = slen;
|
|
}
|
|
|
|
self->slen_calculated = 1;
|
|
}
|
|
|
|
static void thread__comm_adjust(struct thread *self)
|
|
{
|
|
char *comm = self->comm;
|
|
|
|
if (!col_width_list_str && !field_sep &&
|
|
(!comm_list || strlist__has_entry(comm_list, comm))) {
|
|
unsigned int slen = strlen(comm);
|
|
|
|
if (slen > comms__col_width) {
|
|
comms__col_width = slen;
|
|
threads__col_width = slen + 6;
|
|
}
|
|
}
|
|
}
|
|
|
|
static int thread__set_comm_adjust(struct thread *self, const char *comm)
|
|
{
|
|
int ret = thread__set_comm(self, comm);
|
|
|
|
if (ret)
|
|
return ret;
|
|
|
|
thread__comm_adjust(self);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
static struct symbol *
|
|
resolve_symbol(struct thread *thread, struct map **mapp,
|
|
struct dso **dsop, u64 *ipp)
|
|
{
|
|
struct dso *dso = dsop ? *dsop : NULL;
|
|
struct map *map = mapp ? *mapp : NULL;
|
|
u64 ip = *ipp;
|
|
|
|
if (!thread)
|
|
return NULL;
|
|
|
|
if (dso)
|
|
goto got_dso;
|
|
|
|
if (map)
|
|
goto got_map;
|
|
|
|
map = thread__find_map(thread, ip);
|
|
if (map != NULL) {
|
|
/*
|
|
* We have to do this here as we may have a dso
|
|
* with no symbol hit that has a name longer than
|
|
* the ones with symbols sampled.
|
|
*/
|
|
if (!sort_dso.elide && !map->dso->slen_calculated)
|
|
dso__calc_col_width(map->dso);
|
|
|
|
if (mapp)
|
|
*mapp = map;
|
|
got_map:
|
|
ip = map->map_ip(map, ip);
|
|
|
|
dso = map->dso;
|
|
} else {
|
|
/*
|
|
* If this is outside of all known maps,
|
|
* and is a negative address, try to look it
|
|
* up in the kernel dso, as it might be a
|
|
* vsyscall (which executes in user-mode):
|
|
*/
|
|
if ((long long)ip < 0)
|
|
dso = kernel_dso;
|
|
}
|
|
dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
|
|
dump_printf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
|
|
*ipp = ip;
|
|
|
|
if (dsop)
|
|
*dsop = dso;
|
|
|
|
if (!dso)
|
|
return NULL;
|
|
got_dso:
|
|
return dso->find_symbol(dso, ip);
|
|
}
|
|
|
|
static int call__match(struct symbol *sym)
|
|
{
|
|
if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct symbol **
|
|
resolve_callchain(struct thread *thread, struct map *map __used,
|
|
struct ip_callchain *chain, struct hist_entry *entry)
|
|
{
|
|
u64 context = PERF_CONTEXT_MAX;
|
|
struct symbol **syms = NULL;
|
|
unsigned int i;
|
|
|
|
if (callchain) {
|
|
syms = calloc(chain->nr, sizeof(*syms));
|
|
if (!syms) {
|
|
fprintf(stderr, "Can't allocate memory for symbols\n");
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < chain->nr; i++) {
|
|
u64 ip = chain->ips[i];
|
|
struct dso *dso = NULL;
|
|
struct symbol *sym;
|
|
|
|
if (ip >= PERF_CONTEXT_MAX) {
|
|
context = ip;
|
|
continue;
|
|
}
|
|
|
|
switch (context) {
|
|
case PERF_CONTEXT_HV:
|
|
dso = hypervisor_dso;
|
|
break;
|
|
case PERF_CONTEXT_KERNEL:
|
|
dso = kernel_dso;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
sym = resolve_symbol(thread, NULL, &dso, &ip);
|
|
|
|
if (sym) {
|
|
if (sort__has_parent && call__match(sym) &&
|
|
!entry->parent)
|
|
entry->parent = sym;
|
|
if (!callchain)
|
|
break;
|
|
syms[i] = sym;
|
|
}
|
|
}
|
|
|
|
return syms;
|
|
}
|
|
|
|
/*
|
|
* collect histogram counts
|
|
*/
|
|
|
|
static int
|
|
hist_entry__add(struct thread *thread, struct map *map, struct dso *dso,
|
|
struct symbol *sym, u64 ip, struct ip_callchain *chain,
|
|
char level, u64 count)
|
|
{
|
|
struct rb_node **p = &hist.rb_node;
|
|
struct rb_node *parent = NULL;
|
|
struct hist_entry *he;
|
|
struct symbol **syms = NULL;
|
|
struct hist_entry entry = {
|
|
.thread = thread,
|
|
.map = map,
|
|
.dso = dso,
|
|
.sym = sym,
|
|
.ip = ip,
|
|
.level = level,
|
|
.count = count,
|
|
.parent = NULL,
|
|
.sorted_chain = RB_ROOT
|
|
};
|
|
int cmp;
|
|
|
|
if ((sort__has_parent || callchain) && chain)
|
|
syms = resolve_callchain(thread, map, chain, &entry);
|
|
|
|
while (*p != NULL) {
|
|
parent = *p;
|
|
he = rb_entry(parent, struct hist_entry, rb_node);
|
|
|
|
cmp = hist_entry__cmp(&entry, he);
|
|
|
|
if (!cmp) {
|
|
he->count += count;
|
|
if (callchain) {
|
|
append_chain(&he->callchain, chain, syms);
|
|
free(syms);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (cmp < 0)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
he = malloc(sizeof(*he));
|
|
if (!he)
|
|
return -ENOMEM;
|
|
*he = entry;
|
|
if (callchain) {
|
|
callchain_init(&he->callchain);
|
|
append_chain(&he->callchain, chain, syms);
|
|
free(syms);
|
|
}
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
rb_insert_color(&he->rb_node, &hist);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void hist_entry__free(struct hist_entry *he)
|
|
{
|
|
free(he);
|
|
}
|
|
|
|
/*
|
|
* collapse the histogram
|
|
*/
|
|
|
|
static struct rb_root collapse_hists;
|
|
|
|
static void collapse__insert_entry(struct hist_entry *he)
|
|
{
|
|
struct rb_node **p = &collapse_hists.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);
|
|
|
|
cmp = hist_entry__collapse(iter, he);
|
|
|
|
if (!cmp) {
|
|
iter->count += he->count;
|
|
hist_entry__free(he);
|
|
return;
|
|
}
|
|
|
|
if (cmp < 0)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
rb_insert_color(&he->rb_node, &collapse_hists);
|
|
}
|
|
|
|
static void collapse__resort(void)
|
|
{
|
|
struct rb_node *next;
|
|
struct hist_entry *n;
|
|
|
|
if (!sort__need_collapse)
|
|
return;
|
|
|
|
next = rb_first(&hist);
|
|
while (next) {
|
|
n = rb_entry(next, struct hist_entry, rb_node);
|
|
next = rb_next(&n->rb_node);
|
|
|
|
rb_erase(&n->rb_node, &hist);
|
|
collapse__insert_entry(n);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* reverse the map, sort on count.
|
|
*/
|
|
|
|
static struct rb_root output_hists;
|
|
|
|
static void output__insert_entry(struct hist_entry *he, u64 min_callchain_hits)
|
|
{
|
|
struct rb_node **p = &output_hists.rb_node;
|
|
struct rb_node *parent = NULL;
|
|
struct hist_entry *iter;
|
|
|
|
if (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 (he->count > iter->count)
|
|
p = &(*p)->rb_left;
|
|
else
|
|
p = &(*p)->rb_right;
|
|
}
|
|
|
|
rb_link_node(&he->rb_node, parent, p);
|
|
rb_insert_color(&he->rb_node, &output_hists);
|
|
}
|
|
|
|
static void output__resort(u64 total_samples)
|
|
{
|
|
struct rb_node *next;
|
|
struct hist_entry *n;
|
|
struct rb_root *tree = &hist;
|
|
u64 min_callchain_hits;
|
|
|
|
min_callchain_hits = total_samples * (callchain_param.min_percent / 100);
|
|
|
|
if (sort__need_collapse)
|
|
tree = &collapse_hists;
|
|
|
|
next = rb_first(tree);
|
|
|
|
while (next) {
|
|
n = rb_entry(next, struct hist_entry, rb_node);
|
|
next = rb_next(&n->rb_node);
|
|
|
|
rb_erase(&n->rb_node, tree);
|
|
output__insert_entry(n, min_callchain_hits);
|
|
}
|
|
}
|
|
|
|
static size_t output__fprintf(FILE *fp, u64 total_samples)
|
|
{
|
|
struct hist_entry *pos;
|
|
struct sort_entry *se;
|
|
struct rb_node *nd;
|
|
size_t ret = 0;
|
|
unsigned int width;
|
|
char *col_width = col_width_list_str;
|
|
int raw_printing_style;
|
|
|
|
raw_printing_style = !strcmp(pretty_printing_style, "raw");
|
|
|
|
init_rem_hits();
|
|
|
|
fprintf(fp, "# Samples: %Ld\n", (u64)total_samples);
|
|
fprintf(fp, "#\n");
|
|
|
|
fprintf(fp, "# Overhead");
|
|
if (show_nr_samples) {
|
|
if (field_sep)
|
|
fprintf(fp, "%cSamples", *field_sep);
|
|
else
|
|
fputs(" Samples ", fp);
|
|
}
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
if (se->elide)
|
|
continue;
|
|
if (field_sep) {
|
|
fprintf(fp, "%c%s", *field_sep, se->header);
|
|
continue;
|
|
}
|
|
width = strlen(se->header);
|
|
if (se->width) {
|
|
if (col_width_list_str) {
|
|
if (col_width) {
|
|
*se->width = atoi(col_width);
|
|
col_width = strchr(col_width, ',');
|
|
if (col_width)
|
|
++col_width;
|
|
}
|
|
}
|
|
width = *se->width = max(*se->width, width);
|
|
}
|
|
fprintf(fp, " %*s", width, se->header);
|
|
}
|
|
fprintf(fp, "\n");
|
|
|
|
if (field_sep)
|
|
goto print_entries;
|
|
|
|
fprintf(fp, "# ........");
|
|
if (show_nr_samples)
|
|
fprintf(fp, " ..........");
|
|
list_for_each_entry(se, &hist_entry__sort_list, list) {
|
|
unsigned int i;
|
|
|
|
if (se->elide)
|
|
continue;
|
|
|
|
fprintf(fp, " ");
|
|
if (se->width)
|
|
width = *se->width;
|
|
else
|
|
width = strlen(se->header);
|
|
for (i = 0; i < width; i++)
|
|
fprintf(fp, ".");
|
|
}
|
|
fprintf(fp, "\n");
|
|
|
|
fprintf(fp, "#\n");
|
|
|
|
print_entries:
|
|
for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
|
|
pos = rb_entry(nd, struct hist_entry, rb_node);
|
|
ret += hist_entry__fprintf(fp, pos, total_samples);
|
|
}
|
|
|
|
if (sort_order == default_sort_order &&
|
|
parent_pattern == default_parent_pattern) {
|
|
fprintf(fp, "#\n");
|
|
fprintf(fp, "# (For a higher level overview, try: perf report --sort comm,dso)\n");
|
|
fprintf(fp, "#\n");
|
|
}
|
|
fprintf(fp, "\n");
|
|
|
|
free(rem_sq_bracket);
|
|
|
|
if (show_threads)
|
|
perf_read_values_display(fp, &show_threads_values,
|
|
raw_printing_style);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static unsigned long total = 0,
|
|
total_mmap = 0,
|
|
total_comm = 0,
|
|
total_fork = 0,
|
|
total_unknown = 0,
|
|
total_lost = 0;
|
|
|
|
static int validate_chain(struct ip_callchain *chain, event_t *event)
|
|
{
|
|
unsigned int chain_size;
|
|
|
|
chain_size = event->header.size;
|
|
chain_size -= (unsigned long)&event->ip.__more_data - (unsigned long)event;
|
|
|
|
if (chain->nr*sizeof(u64) > chain_size)
|
|
return -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_sample_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
char level;
|
|
int show = 0;
|
|
struct dso *dso = NULL;
|
|
struct thread *thread;
|
|
u64 ip = event->ip.ip;
|
|
u64 period = 1;
|
|
struct map *map = NULL;
|
|
void *more_data = event->ip.__more_data;
|
|
struct ip_callchain *chain = NULL;
|
|
int cpumode;
|
|
|
|
thread = threads__findnew(event->ip.pid, &threads, &last_match);
|
|
|
|
if (sample_type & PERF_SAMPLE_PERIOD) {
|
|
period = *(u64 *)more_data;
|
|
more_data += sizeof(u64);
|
|
}
|
|
|
|
dump_printf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->header.misc,
|
|
event->ip.pid, event->ip.tid,
|
|
(void *)(long)ip,
|
|
(long long)period);
|
|
|
|
if (sample_type & PERF_SAMPLE_CALLCHAIN) {
|
|
unsigned int i;
|
|
|
|
chain = (void *)more_data;
|
|
|
|
dump_printf("... chain: nr:%Lu\n", chain->nr);
|
|
|
|
if (validate_chain(chain, event) < 0) {
|
|
eprintf("call-chain problem with event, skipping it.\n");
|
|
return 0;
|
|
}
|
|
|
|
if (dump_trace) {
|
|
for (i = 0; i < chain->nr; i++)
|
|
dump_printf("..... %2d: %016Lx\n", i, chain->ips[i]);
|
|
}
|
|
}
|
|
|
|
dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);
|
|
|
|
if (thread == NULL) {
|
|
eprintf("problem processing %d event, skipping it.\n",
|
|
event->header.type);
|
|
return -1;
|
|
}
|
|
|
|
if (comm_list && !strlist__has_entry(comm_list, thread->comm))
|
|
return 0;
|
|
|
|
cpumode = event->header.misc & PERF_EVENT_MISC_CPUMODE_MASK;
|
|
|
|
if (cpumode == PERF_EVENT_MISC_KERNEL) {
|
|
show = SHOW_KERNEL;
|
|
level = 'k';
|
|
|
|
dso = kernel_dso;
|
|
|
|
dump_printf(" ...... dso: %s\n", dso->name);
|
|
|
|
} else if (cpumode == PERF_EVENT_MISC_USER) {
|
|
|
|
show = SHOW_USER;
|
|
level = '.';
|
|
|
|
} else {
|
|
show = SHOW_HV;
|
|
level = 'H';
|
|
|
|
dso = hypervisor_dso;
|
|
|
|
dump_printf(" ...... dso: [hypervisor]\n");
|
|
}
|
|
|
|
if (show & show_mask) {
|
|
struct symbol *sym = resolve_symbol(thread, &map, &dso, &ip);
|
|
|
|
if (dso_list && (!dso || !dso->name ||
|
|
!strlist__has_entry(dso_list, dso->name)))
|
|
return 0;
|
|
|
|
if (sym_list && (!sym || !strlist__has_entry(sym_list, sym->name)))
|
|
return 0;
|
|
|
|
if (hist_entry__add(thread, map, dso, sym, ip, chain, level, period)) {
|
|
eprintf("problem incrementing symbol count, skipping event\n");
|
|
return -1;
|
|
}
|
|
}
|
|
total += period;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
struct thread *thread;
|
|
struct map *map = map__new(&event->mmap, cwd, cwdlen);
|
|
|
|
thread = threads__findnew(event->mmap.pid, &threads, &last_match);
|
|
|
|
dump_printf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->mmap.pid,
|
|
event->mmap.tid,
|
|
(void *)(long)event->mmap.start,
|
|
(void *)(long)event->mmap.len,
|
|
(void *)(long)event->mmap.pgoff,
|
|
event->mmap.filename);
|
|
|
|
if (thread == NULL || map == NULL) {
|
|
dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
|
|
return 0;
|
|
}
|
|
|
|
thread__insert_map(thread, map);
|
|
total_mmap++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_comm_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
struct thread *thread;
|
|
|
|
thread = threads__findnew(event->comm.pid, &threads, &last_match);
|
|
|
|
dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->comm.comm, event->comm.pid);
|
|
|
|
if (thread == NULL ||
|
|
thread__set_comm_adjust(thread, event->comm.comm)) {
|
|
dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
|
|
return -1;
|
|
}
|
|
total_comm++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_task_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
struct thread *thread;
|
|
struct thread *parent;
|
|
|
|
thread = threads__findnew(event->fork.pid, &threads, &last_match);
|
|
parent = threads__findnew(event->fork.ppid, &threads, &last_match);
|
|
|
|
dump_printf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT",
|
|
event->fork.pid, event->fork.tid,
|
|
event->fork.ppid, event->fork.ptid);
|
|
|
|
/*
|
|
* A thread clone will have the same PID for both
|
|
* parent and child.
|
|
*/
|
|
if (thread == parent)
|
|
return 0;
|
|
|
|
if (event->header.type == PERF_EVENT_EXIT)
|
|
return 0;
|
|
|
|
if (!thread || !parent || thread__fork(thread, parent)) {
|
|
dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
|
|
return -1;
|
|
}
|
|
total_fork++;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_lost_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
dump_printf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->lost.id,
|
|
event->lost.lost);
|
|
|
|
total_lost += event->lost.lost;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_read_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
struct perf_counter_attr *attr;
|
|
|
|
attr = perf_header__find_attr(event->read.id, header);
|
|
|
|
if (show_threads) {
|
|
const char *name = attr ? __event_name(attr->type, attr->config)
|
|
: "unknown";
|
|
perf_read_values_add_value(&show_threads_values,
|
|
event->read.pid, event->read.tid,
|
|
event->read.id,
|
|
name,
|
|
event->read.value);
|
|
}
|
|
|
|
dump_printf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->read.pid,
|
|
event->read.tid,
|
|
attr ? __event_name(attr->type, attr->config)
|
|
: "FAIL",
|
|
event->read.value);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
process_event(event_t *event, unsigned long offset, unsigned long head)
|
|
{
|
|
trace_event(event);
|
|
|
|
switch (event->header.type) {
|
|
case PERF_EVENT_SAMPLE:
|
|
return process_sample_event(event, offset, head);
|
|
|
|
case PERF_EVENT_MMAP:
|
|
return process_mmap_event(event, offset, head);
|
|
|
|
case PERF_EVENT_COMM:
|
|
return process_comm_event(event, offset, head);
|
|
|
|
case PERF_EVENT_FORK:
|
|
case PERF_EVENT_EXIT:
|
|
return process_task_event(event, offset, head);
|
|
|
|
case PERF_EVENT_LOST:
|
|
return process_lost_event(event, offset, head);
|
|
|
|
case PERF_EVENT_READ:
|
|
return process_read_event(event, offset, head);
|
|
|
|
/*
|
|
* We dont process them right now but they are fine:
|
|
*/
|
|
|
|
case PERF_EVENT_THROTTLE:
|
|
case PERF_EVENT_UNTHROTTLE:
|
|
return 0;
|
|
|
|
default:
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __cmd_report(void)
|
|
{
|
|
int ret, rc = EXIT_FAILURE;
|
|
unsigned long offset = 0;
|
|
unsigned long head, shift;
|
|
struct stat input_stat;
|
|
struct thread *idle;
|
|
event_t *event;
|
|
uint32_t size;
|
|
char *buf;
|
|
|
|
idle = register_idle_thread(&threads, &last_match);
|
|
thread__comm_adjust(idle);
|
|
|
|
if (show_threads)
|
|
perf_read_values_init(&show_threads_values);
|
|
|
|
input = open(input_name, O_RDONLY);
|
|
if (input < 0) {
|
|
fprintf(stderr, " failed to open file: %s", input_name);
|
|
if (!strcmp(input_name, "perf.data"))
|
|
fprintf(stderr, " (try 'perf record' first)");
|
|
fprintf(stderr, "\n");
|
|
exit(-1);
|
|
}
|
|
|
|
ret = fstat(input, &input_stat);
|
|
if (ret < 0) {
|
|
perror("failed to stat file");
|
|
exit(-1);
|
|
}
|
|
|
|
if (!force && input_stat.st_uid && (input_stat.st_uid != geteuid())) {
|
|
fprintf(stderr, "file: %s not owned by current user or root\n", input_name);
|
|
exit(-1);
|
|
}
|
|
|
|
if (!input_stat.st_size) {
|
|
fprintf(stderr, "zero-sized file, nothing to do!\n");
|
|
exit(0);
|
|
}
|
|
|
|
header = perf_header__read(input);
|
|
head = header->data_offset;
|
|
|
|
sample_type = perf_header__sample_type(header);
|
|
|
|
if (!(sample_type & PERF_SAMPLE_CALLCHAIN)) {
|
|
if (sort__has_parent) {
|
|
fprintf(stderr, "selected --sort parent, but no"
|
|
" callchain data. Did you call"
|
|
" perf record without -g?\n");
|
|
exit(-1);
|
|
}
|
|
if (callchain) {
|
|
fprintf(stderr, "selected -g but no callchain data."
|
|
" Did you call perf record without"
|
|
" -g?\n");
|
|
exit(-1);
|
|
}
|
|
} else if (callchain_param.mode != CHAIN_NONE && !callchain) {
|
|
callchain = 1;
|
|
if (register_callchain_param(&callchain_param) < 0) {
|
|
fprintf(stderr, "Can't register callchain"
|
|
" params\n");
|
|
exit(-1);
|
|
}
|
|
}
|
|
|
|
if (load_kernel() < 0) {
|
|
perror("failed to load kernel symbols");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
if (!full_paths) {
|
|
if (getcwd(__cwd, sizeof(__cwd)) == NULL) {
|
|
perror("failed to get the current directory");
|
|
return EXIT_FAILURE;
|
|
}
|
|
cwdlen = strlen(cwd);
|
|
} else {
|
|
cwd = NULL;
|
|
cwdlen = 0;
|
|
}
|
|
|
|
shift = page_size * (head / page_size);
|
|
offset += shift;
|
|
head -= shift;
|
|
|
|
remap:
|
|
buf = (char *)mmap(NULL, page_size * mmap_window, PROT_READ,
|
|
MAP_SHARED, input, offset);
|
|
if (buf == MAP_FAILED) {
|
|
perror("failed to mmap file");
|
|
exit(-1);
|
|
}
|
|
|
|
more:
|
|
event = (event_t *)(buf + head);
|
|
|
|
size = event->header.size;
|
|
if (!size)
|
|
size = 8;
|
|
|
|
if (head + event->header.size >= page_size * mmap_window) {
|
|
int munmap_ret;
|
|
|
|
shift = page_size * (head / page_size);
|
|
|
|
munmap_ret = munmap(buf, page_size * mmap_window);
|
|
assert(munmap_ret == 0);
|
|
|
|
offset += shift;
|
|
head -= shift;
|
|
goto remap;
|
|
}
|
|
|
|
size = event->header.size;
|
|
|
|
dump_printf("\n%p [%p]: event: %d\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)event->header.size,
|
|
event->header.type);
|
|
|
|
if (!size || process_event(event, offset, head) < 0) {
|
|
|
|
dump_printf("%p [%p]: skipping unknown header type: %d\n",
|
|
(void *)(offset + head),
|
|
(void *)(long)(event->header.size),
|
|
event->header.type);
|
|
|
|
total_unknown++;
|
|
|
|
/*
|
|
* assume we lost track of the stream, check alignment, and
|
|
* increment a single u64 in the hope to catch on again 'soon'.
|
|
*/
|
|
|
|
if (unlikely(head & 7))
|
|
head &= ~7ULL;
|
|
|
|
size = 8;
|
|
}
|
|
|
|
head += size;
|
|
|
|
if (offset + head >= header->data_offset + header->data_size)
|
|
goto done;
|
|
|
|
if (offset + head < (unsigned long)input_stat.st_size)
|
|
goto more;
|
|
|
|
done:
|
|
rc = EXIT_SUCCESS;
|
|
close(input);
|
|
|
|
dump_printf(" IP events: %10ld\n", total);
|
|
dump_printf(" mmap events: %10ld\n", total_mmap);
|
|
dump_printf(" comm events: %10ld\n", total_comm);
|
|
dump_printf(" fork events: %10ld\n", total_fork);
|
|
dump_printf(" lost events: %10ld\n", total_lost);
|
|
dump_printf(" unknown events: %10ld\n", total_unknown);
|
|
|
|
if (dump_trace)
|
|
return 0;
|
|
|
|
if (verbose >= 3)
|
|
threads__fprintf(stdout, &threads);
|
|
|
|
if (verbose >= 2)
|
|
dsos__fprintf(stdout);
|
|
|
|
collapse__resort();
|
|
output__resort(total);
|
|
output__fprintf(stdout, total);
|
|
|
|
if (show_threads)
|
|
perf_read_values_destroy(&show_threads_values);
|
|
|
|
return rc;
|
|
}
|
|
|
|
static int
|
|
parse_callchain_opt(const struct option *opt __used, const char *arg,
|
|
int unset __used)
|
|
{
|
|
char *tok;
|
|
char *endptr;
|
|
|
|
callchain = 1;
|
|
|
|
if (!arg)
|
|
return 0;
|
|
|
|
tok = strtok((char *)arg, ",");
|
|
if (!tok)
|
|
return -1;
|
|
|
|
/* get the output mode */
|
|
if (!strncmp(tok, "graph", strlen(arg)))
|
|
callchain_param.mode = CHAIN_GRAPH_ABS;
|
|
|
|
else if (!strncmp(tok, "flat", strlen(arg)))
|
|
callchain_param.mode = CHAIN_FLAT;
|
|
|
|
else if (!strncmp(tok, "fractal", strlen(arg)))
|
|
callchain_param.mode = CHAIN_GRAPH_REL;
|
|
|
|
else if (!strncmp(tok, "none", strlen(arg))) {
|
|
callchain_param.mode = CHAIN_NONE;
|
|
callchain = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
else
|
|
return -1;
|
|
|
|
/* get the min percentage */
|
|
tok = strtok(NULL, ",");
|
|
if (!tok)
|
|
goto setup;
|
|
|
|
callchain_param.min_percent = strtod(tok, &endptr);
|
|
if (tok == endptr)
|
|
return -1;
|
|
|
|
setup:
|
|
if (register_callchain_param(&callchain_param) < 0) {
|
|
fprintf(stderr, "Can't register callchain params\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const char * const report_usage[] = {
|
|
"perf report [<options>] <command>",
|
|
NULL
|
|
};
|
|
|
|
static const struct option options[] = {
|
|
OPT_STRING('i', "input", &input_name, "file",
|
|
"input file name"),
|
|
OPT_BOOLEAN('v', "verbose", &verbose,
|
|
"be more verbose (show symbol address, etc)"),
|
|
OPT_BOOLEAN('D', "dump-raw-trace", &dump_trace,
|
|
"dump raw trace in ASCII"),
|
|
OPT_STRING('k', "vmlinux", &vmlinux_name, "file", "vmlinux pathname"),
|
|
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
|
|
OPT_BOOLEAN('m', "modules", &modules,
|
|
"load module symbols - WARNING: use only with -k and LIVE kernel"),
|
|
OPT_BOOLEAN('n', "show-nr-samples", &show_nr_samples,
|
|
"Show a column with the number of samples"),
|
|
OPT_BOOLEAN('T', "threads", &show_threads,
|
|
"Show per-thread event counters"),
|
|
OPT_STRING(0, "pretty", &pretty_printing_style, "key",
|
|
"pretty printing style key: normal raw"),
|
|
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
|
|
"sort by key(s): pid, comm, dso, symbol, parent"),
|
|
OPT_BOOLEAN('P', "full-paths", &full_paths,
|
|
"Don't shorten the pathnames taking into account the cwd"),
|
|
OPT_STRING('p', "parent", &parent_pattern, "regex",
|
|
"regex filter to identify parent, see: '--sort parent'"),
|
|
OPT_BOOLEAN('x', "exclude-other", &exclude_other,
|
|
"Only display entries with parent-match"),
|
|
OPT_CALLBACK_DEFAULT('g', "call-graph", NULL, "output_type,min_percent",
|
|
"Display callchains using output_type and min percent threshold. "
|
|
"Default: fractal,0.5", &parse_callchain_opt, callchain_default_opt),
|
|
OPT_STRING('d', "dsos", &dso_list_str, "dso[,dso...]",
|
|
"only consider symbols in these dsos"),
|
|
OPT_STRING('C', "comms", &comm_list_str, "comm[,comm...]",
|
|
"only consider symbols in these comms"),
|
|
OPT_STRING('S', "symbols", &sym_list_str, "symbol[,symbol...]",
|
|
"only consider these symbols"),
|
|
OPT_STRING('w', "column-widths", &col_width_list_str,
|
|
"width[,width...]",
|
|
"don't try to adjust column width, use these fixed values"),
|
|
OPT_STRING('t', "field-separator", &field_sep, "separator",
|
|
"separator for columns, no spaces will be added between "
|
|
"columns '.' is reserved."),
|
|
OPT_END()
|
|
};
|
|
|
|
static void setup_sorting(void)
|
|
{
|
|
char *tmp, *tok, *str = strdup(sort_order);
|
|
|
|
for (tok = strtok_r(str, ", ", &tmp);
|
|
tok; tok = strtok_r(NULL, ", ", &tmp)) {
|
|
if (sort_dimension__add(tok) < 0) {
|
|
error("Unknown --sort key: `%s'", tok);
|
|
usage_with_options(report_usage, options);
|
|
}
|
|
}
|
|
|
|
free(str);
|
|
}
|
|
|
|
static void setup_list(struct strlist **list, const char *list_str,
|
|
struct sort_entry *se, const char *list_name,
|
|
FILE *fp)
|
|
{
|
|
if (list_str) {
|
|
*list = strlist__new(true, list_str);
|
|
if (!*list) {
|
|
fprintf(stderr, "problems parsing %s list\n",
|
|
list_name);
|
|
exit(129);
|
|
}
|
|
if (strlist__nr_entries(*list) == 1) {
|
|
fprintf(fp, "# %s: %s\n", list_name,
|
|
strlist__entry(*list, 0)->s);
|
|
se->elide = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
int cmd_report(int argc, const char **argv, const char *prefix __used)
|
|
{
|
|
symbol__init();
|
|
|
|
page_size = getpagesize();
|
|
|
|
argc = parse_options(argc, argv, options, report_usage, 0);
|
|
|
|
setup_sorting();
|
|
|
|
if (parent_pattern != default_parent_pattern) {
|
|
sort_dimension__add("parent");
|
|
sort_parent.elide = 1;
|
|
} else
|
|
exclude_other = 0;
|
|
|
|
/*
|
|
* Any (unrecognized) arguments left?
|
|
*/
|
|
if (argc)
|
|
usage_with_options(report_usage, options);
|
|
|
|
setup_pager();
|
|
|
|
setup_list(&dso_list, dso_list_str, &sort_dso, "dso", stdout);
|
|
setup_list(&comm_list, comm_list_str, &sort_comm, "comm", stdout);
|
|
setup_list(&sym_list, sym_list_str, &sort_sym, "symbol", stdout);
|
|
|
|
if (field_sep && *field_sep == '.') {
|
|
fputs("'.' is the only non valid --field-separator argument\n",
|
|
stderr);
|
|
exit(129);
|
|
}
|
|
|
|
return __cmd_report();
|
|
}
|