Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 1 | /* |
| 2 | * builtin-buildid-list.c |
| 3 | * |
Arnaldo Carvalho de Melo | 7a6f205 | 2011-08-29 08:33:17 -0300 | [diff] [blame] | 4 | * Builtin buildid-list command: list buildids in perf.data, in the running |
| 5 | * kernel and in ELF files. |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 6 | * |
| 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 Melo | 7b2567c | 2010-02-03 16:52:04 -0200 | [diff] [blame] | 12 | #include "util/build-id.h" |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 13 | #include "util/cache.h" |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 14 | #include "util/debug.h" |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 15 | #include "util/parse-options.h" |
Arnaldo Carvalho de Melo | 94c744b | 2009-12-11 21:24:02 -0200 | [diff] [blame] | 16 | #include "util/session.h" |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 17 | #include "util/symbol.h" |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 18 | #include "util/data.h" |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 19 | |
Arnaldo Carvalho de Melo | f2add9c | 2011-08-29 08:07:22 -0300 | [diff] [blame] | 20 | static int sysfs__fprintf_build_id(FILE *fp) |
| 21 | { |
| 22 | u8 kallsyms_build_id[BUILD_ID_SIZE]; |
| 23 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; |
| 24 | |
| 25 | if (sysfs__read_build_id("/sys/kernel/notes", kallsyms_build_id, |
| 26 | sizeof(kallsyms_build_id)) != 0) |
| 27 | return -1; |
| 28 | |
| 29 | build_id__sprintf(kallsyms_build_id, sizeof(kallsyms_build_id), |
| 30 | sbuild_id); |
| 31 | fprintf(fp, "%s\n", sbuild_id); |
| 32 | return 0; |
| 33 | } |
| 34 | |
Arnaldo Carvalho de Melo | 7a6f205 | 2011-08-29 08:33:17 -0300 | [diff] [blame] | 35 | static int filename__fprintf_build_id(const char *name, FILE *fp) |
| 36 | { |
| 37 | u8 build_id[BUILD_ID_SIZE]; |
| 38 | char sbuild_id[BUILD_ID_SIZE * 2 + 1]; |
| 39 | |
| 40 | if (filename__read_build_id(name, build_id, |
| 41 | sizeof(build_id)) != sizeof(build_id)) |
| 42 | return 0; |
| 43 | |
| 44 | build_id__sprintf(build_id, sizeof(build_id), sbuild_id); |
| 45 | return fprintf(fp, "%s\n", sbuild_id); |
| 46 | } |
| 47 | |
Arnaldo Carvalho de Melo | 417c2ff | 2012-12-07 09:53:58 -0300 | [diff] [blame] | 48 | static bool dso__skip_buildid(struct dso *dso, int with_hits) |
| 49 | { |
| 50 | return with_hits && !dso->hit; |
| 51 | } |
| 52 | |
Feng Tang | 70cb4e9 | 2012-10-30 11:56:02 +0800 | [diff] [blame] | 53 | static int perf_session__list_build_ids(bool force, bool with_hits) |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 54 | { |
| 55 | struct perf_session *session; |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 56 | struct perf_data_file file = { |
| 57 | .path = input_name, |
| 58 | .mode = PERF_DATA_MODE_READ, |
| 59 | .force = force, |
| 60 | }; |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 61 | |
Namhyung Kim | 166ccc9 | 2012-08-06 13:41:19 +0900 | [diff] [blame] | 62 | symbol__elf_init(); |
Arnaldo Carvalho de Melo | f0bf910 | 2012-12-05 16:24:05 -0300 | [diff] [blame] | 63 | /* |
| 64 | * See if this is an ELF file first: |
| 65 | */ |
| 66 | if (filename__fprintf_build_id(input_name, stdout)) |
| 67 | goto out; |
Robert Richter | efad141 | 2011-12-07 10:02:54 +0100 | [diff] [blame] | 68 | |
Jiri Olsa | f5fc141 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 69 | session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops); |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 70 | if (session == NULL) |
| 71 | return -1; |
Stephane Eranian | 299c345 | 2012-05-15 13:28:15 +0200 | [diff] [blame] | 72 | /* |
| 73 | * in pipe-mode, the only way to get the buildids is to parse |
| 74 | * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID |
| 75 | */ |
Jiri Olsa | cc9784bd | 2013-10-15 16:27:34 +0200 | [diff] [blame] | 76 | if (with_hits || perf_data_file__is_pipe(&file)) |
Arnaldo Carvalho de Melo | b7b61cb | 2015-03-03 11:58:45 -0300 | [diff] [blame] | 77 | perf_session__process_events(session); |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 78 | |
Arnaldo Carvalho de Melo | 417c2ff | 2012-12-07 09:53:58 -0300 | [diff] [blame] | 79 | perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 80 | perf_session__delete(session); |
Arnaldo Carvalho de Melo | f0bf910 | 2012-12-05 16:24:05 -0300 | [diff] [blame] | 81 | out: |
Robert Richter | 1b54950 | 2011-12-07 10:02:53 +0100 | [diff] [blame] | 82 | return 0; |
| 83 | } |
| 84 | |
Irina Tirdea | 1d037ca | 2012-09-11 01:15:03 +0300 | [diff] [blame] | 85 | int cmd_buildid_list(int argc, const char **argv, |
| 86 | const char *prefix __maybe_unused) |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 87 | { |
Arnaldo Carvalho de Melo | 6ee4149 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 88 | bool show_kernel = false; |
| 89 | bool with_hits = false; |
| 90 | bool force = false; |
Arnaldo Carvalho de Melo | 6ee4149 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 91 | const struct option options[] = { |
| 92 | OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), |
| 93 | OPT_STRING('i', "input", &input_name, "file", "input file name"), |
| 94 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), |
| 95 | OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), |
| 96 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
| 97 | OPT_END() |
| 98 | }; |
| 99 | const char * const buildid_list_usage[] = { |
| 100 | "perf buildid-list [<options>]", |
| 101 | NULL |
| 102 | }; |
| 103 | |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 104 | argc = parse_options(argc, argv, options, buildid_list_usage, 0); |
| 105 | setup_pager(); |
Arnaldo Carvalho de Melo | 6ee4149 | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 106 | |
| 107 | if (show_kernel) |
| 108 | return sysfs__fprintf_build_id(stdout); |
| 109 | |
Feng Tang | 70cb4e9 | 2012-10-30 11:56:02 +0800 | [diff] [blame] | 110 | return perf_session__list_build_ids(force, with_hits); |
Arnaldo Carvalho de Melo | c34984b | 2009-11-16 16:32:45 -0200 | [diff] [blame] | 111 | } |