tools/perf/builtin-buildid-list.c

   1 /*
   2  * builtin-buildid-list.c
   3  *
   4  * Builtin buildid-list command: list buildids in perf.data
   5  *
   6  * Copyright (C) 2009, Red Hat Inc.
   7  * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
   8  */
   9 #include "builtin.h"
  10 #include "perf.h"
  11 #include "util/cache.h"
  12 #include "util/debug.h"
  13 #include "util/parse-options.h"
  14 #include "util/session.h"
  15 #include "util/symbol.h"
  16
  17 static char const *input_name = "perf.data";
  18 static int force;
  19 static bool with_hits;
  20
  21 static const char * const buildid_list_usage[] = {
  22         "perf buildid-list [<options>]",
  23         NULL
  24 };
  25
  26 static const struct option options[] = {
  27         OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
  28         OPT_STRING('i', "input", &input_name, "file",
  29                     "input file name"),
  30         OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
  31         OPT_BOOLEAN('v', "verbose", &verbose,
  32                     "be more verbose"),
  33         OPT_END()
  34 };
  35
  36 static int build_id_list__process_event(event_t *event,
  37                                         struct perf_session *session)
  38 {
  39         struct addr_location al;
  40         u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
  41         struct thread *thread = perf_session__findnew(session, event->ip.pid);
  42
  43         if (thread == NULL) {
  44                 pr_err("problem processing %d event, skipping it.\n",
  45                         event->header.type);
  46                 return -1;
  47         }
  48
  49         thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION,
  50                               event->ip.ip, &al);
  51
  52         if (al.map != NULL)
  53                 al.map->dso->hit = 1;
  54
  55         return 0;
  56 }
  57
  58 static struct perf_event_ops build_id_list__event_ops = {
  59         .sample = build_id_list__process_event,
  60         .mmap   = event__process_mmap,
  61         .fork   = event__process_task,
  62 };
  63
  64 static int __cmd_buildid_list(void)
  65 {
  66         int err = -1;
  67         struct perf_session *session;
  68
  69         session = perf_session__new(input_name, O_RDONLY, force);
  70         if (session == NULL)
  71                 return -1;
  72
  73         if (with_hits)
  74                 perf_session__process_events(session, &build_id_list__event_ops);
  75
  76         dsos__fprintf_buildid(stdout, with_hits);
  77
  78         perf_session__delete(session);
  79         return err;
  80 }
  81
  82 int cmd_buildid_list(int argc, const char **argv, const char *prefix __used)
  83 {
  84         argc = parse_options(argc, argv, options, buildid_list_usage, 0);
  85         setup_pager();
  86         return __cmd_buildid_list();
  87 }