blob: 918b4de29de4ea86fc27cd40db49861618869d34 [file] [log] [blame]
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -02001/*
2 * builtin-buildid-list.c
3 *
Arnaldo Carvalho de Melo7a6f2052011-08-29 08:33:17 -03004 * Builtin buildid-list command: list buildids in perf.data, in the running
5 * kernel and in ELF files.
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -02006 *
7 * Copyright (C) 2009, Red Hat Inc.
8 * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
9 */
10#include "builtin.h"
11#include "perf.h"
Arnaldo Carvalho de Melo7b2567c2010-02-03 16:52:04 -020012#include "util/build-id.h"
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020013#include "util/cache.h"
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020014#include "util/debug.h"
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020015#include "util/parse-options.h"
Arnaldo Carvalho de Melo94c744b2009-12-11 21:24:02 -020016#include "util/session.h"
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020017#include "util/symbol.h"
Jiri Olsaf5fc1412013-10-15 16:27:32 +020018#include "util/data.h"
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020019
Arnaldo Carvalho de Melof2add9c2011-08-29 08:07:22 -030020static int sysfs__fprintf_build_id(FILE *fp)
21{
Masami Hiramatsud77fac72015-07-15 18:14:28 +090022 char sbuild_id[SBUILD_ID_SIZE];
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090023 int ret;
Arnaldo Carvalho de Melof2add9c2011-08-29 08:07:22 -030024
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090025 ret = sysfs__sprintf_build_id("/", sbuild_id);
26 if (ret != sizeof(sbuild_id))
27 return ret < 0 ? ret : -EINVAL;
Arnaldo Carvalho de Melof2add9c2011-08-29 08:07:22 -030028
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090029 return fprintf(fp, "%s\n", sbuild_id);
Arnaldo Carvalho de Melof2add9c2011-08-29 08:07:22 -030030}
31
Arnaldo Carvalho de Melo7a6f2052011-08-29 08:33:17 -030032static int filename__fprintf_build_id(const char *name, FILE *fp)
33{
Masami Hiramatsud77fac72015-07-15 18:14:28 +090034 char sbuild_id[SBUILD_ID_SIZE];
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090035 int ret;
Arnaldo Carvalho de Melo7a6f2052011-08-29 08:33:17 -030036
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090037 ret = filename__sprintf_build_id(name, sbuild_id);
38 if (ret != sizeof(sbuild_id))
39 return ret < 0 ? ret : -EINVAL;
Arnaldo Carvalho de Melo7a6f2052011-08-29 08:33:17 -030040
Arnaldo Carvalho de Melo7a6f2052011-08-29 08:33:17 -030041 return fprintf(fp, "%s\n", sbuild_id);
42}
43
Arnaldo Carvalho de Melo417c2ff2012-12-07 09:53:58 -030044static bool dso__skip_buildid(struct dso *dso, int with_hits)
45{
46 return with_hits && !dso->hit;
47}
48
Feng Tang70cb4e92012-10-30 11:56:02 +080049static int perf_session__list_build_ids(bool force, bool with_hits)
Robert Richter1b549502011-12-07 10:02:53 +010050{
51 struct perf_session *session;
Jiri Olsaf5fc1412013-10-15 16:27:32 +020052 struct perf_data_file file = {
53 .path = input_name,
54 .mode = PERF_DATA_MODE_READ,
55 .force = force,
56 };
Robert Richter1b549502011-12-07 10:02:53 +010057
Namhyung Kim166ccc92012-08-06 13:41:19 +090058 symbol__elf_init();
Arnaldo Carvalho de Melof0bf9102012-12-05 16:24:05 -030059 /*
60 * See if this is an ELF file first:
61 */
Masami Hiramatsu0b5a7932015-08-15 20:42:59 +090062 if (filename__fprintf_build_id(input_name, stdout) > 0)
Arnaldo Carvalho de Melof0bf9102012-12-05 16:24:05 -030063 goto out;
Robert Richterefad1412011-12-07 10:02:54 +010064
Jiri Olsaf5fc1412013-10-15 16:27:32 +020065 session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
Robert Richter1b549502011-12-07 10:02:53 +010066 if (session == NULL)
67 return -1;
Adrian Huntercd10b282015-04-30 17:37:26 +030068
69 /*
70 * We take all buildids when the file contains AUX area tracing data
71 * because we do not decode the trace because it would take too long.
72 */
73 if (!perf_data_file__is_pipe(&file) &&
74 perf_header__has_feat(&session->header, HEADER_AUXTRACE))
75 with_hits = false;
76
Stephane Eranian299c3452012-05-15 13:28:15 +020077 /*
78 * in pipe-mode, the only way to get the buildids is to parse
79 * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID
80 */
Jiri Olsacc9784bd2013-10-15 16:27:34 +020081 if (with_hits || perf_data_file__is_pipe(&file))
Arnaldo Carvalho de Melob7b61cb2015-03-03 11:58:45 -030082 perf_session__process_events(session);
Robert Richter1b549502011-12-07 10:02:53 +010083
Arnaldo Carvalho de Melo417c2ff2012-12-07 09:53:58 -030084 perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
Robert Richter1b549502011-12-07 10:02:53 +010085 perf_session__delete(session);
Arnaldo Carvalho de Melof0bf9102012-12-05 16:24:05 -030086out:
Robert Richter1b549502011-12-07 10:02:53 +010087 return 0;
88}
89
Irina Tirdea1d037ca2012-09-11 01:15:03 +030090int cmd_buildid_list(int argc, const char **argv,
91 const char *prefix __maybe_unused)
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -020092{
Arnaldo Carvalho de Melo6ee41492012-10-01 15:20:58 -030093 bool show_kernel = false;
94 bool with_hits = false;
95 bool force = false;
Arnaldo Carvalho de Melo6ee41492012-10-01 15:20:58 -030096 const struct option options[] = {
97 OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
98 OPT_STRING('i', "input", &input_name, "file", "input file name"),
99 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
100 OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
101 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
102 OPT_END()
103 };
104 const char * const buildid_list_usage[] = {
105 "perf buildid-list [<options>]",
106 NULL
107 };
108
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -0200109 argc = parse_options(argc, argv, options, buildid_list_usage, 0);
110 setup_pager();
Arnaldo Carvalho de Melo6ee41492012-10-01 15:20:58 -0300111
112 if (show_kernel)
113 return sysfs__fprintf_build_id(stdout);
114
Feng Tang70cb4e92012-10-30 11:56:02 +0800115 return perf_session__list_build_ids(force, with_hits);
Arnaldo Carvalho de Meloc34984b2009-11-16 16:32:45 -0200116}