Commit | Line | Data |
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c34984b2 ACM |
1 | /* |
2 | * builtin-buildid-list.c | |
3 | * | |
7a6f205d ACM |
4 | * Builtin buildid-list command: list buildids in perf.data, in the running |
5 | * kernel and in ELF files. | |
c34984b2 ACM |
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" | |
7b2567c1 | 12 | #include "util/build-id.h" |
c34984b2 | 13 | #include "util/debug.h" |
4a3cec84 | 14 | #include "util/dso.h" |
fa0d9846 | 15 | #include <subcmd/pager.h> |
4b6ab94e | 16 | #include <subcmd/parse-options.h> |
94c744b6 | 17 | #include "util/session.h" |
c34984b2 | 18 | #include "util/symbol.h" |
f5fc1412 | 19 | #include "util/data.h" |
a43783ae | 20 | #include <errno.h> |
6ef81c55 | 21 | #include <linux/err.h> |
c34984b2 | 22 | |
f2add9cd ACM |
23 | static int sysfs__fprintf_build_id(FILE *fp) |
24 | { | |
d77fac7f | 25 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 26 | int ret; |
f2add9cd | 27 | |
0b5a7935 MH |
28 | ret = sysfs__sprintf_build_id("/", sbuild_id); |
29 | if (ret != sizeof(sbuild_id)) | |
30 | return ret < 0 ? ret : -EINVAL; | |
f2add9cd | 31 | |
0b5a7935 | 32 | return fprintf(fp, "%s\n", sbuild_id); |
f2add9cd ACM |
33 | } |
34 | ||
7a6f205d | 35 | static int filename__fprintf_build_id(const char *name, FILE *fp) |
f2add9cd | 36 | { |
d77fac7f | 37 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 38 | int ret; |
f2add9cd | 39 | |
0b5a7935 MH |
40 | ret = filename__sprintf_build_id(name, sbuild_id); |
41 | if (ret != sizeof(sbuild_id)) | |
42 | return ret < 0 ? ret : -EINVAL; | |
7a6f205d | 43 | |
7a6f205d ACM |
44 | return fprintf(fp, "%s\n", sbuild_id); |
45 | } | |
46 | ||
417c2ff6 ACM |
47 | static bool dso__skip_buildid(struct dso *dso, int with_hits) |
48 | { | |
49 | return with_hits && !dso->hit; | |
50 | } | |
51 | ||
70cb4e96 | 52 | static int perf_session__list_build_ids(bool force, bool with_hits) |
1b549504 RR |
53 | { |
54 | struct perf_session *session; | |
8ceb41d7 | 55 | struct perf_data data = { |
2d4f2799 JO |
56 | .path = input_name, |
57 | .mode = PERF_DATA_MODE_READ, | |
58 | .force = force, | |
f5fc1412 | 59 | }; |
1b549504 | 60 | |
166ccc9c | 61 | symbol__elf_init(); |
efad1415 RR |
62 | /* |
63 | * See if this is an ELF file first: | |
64 | */ | |
0b5a7935 | 65 | if (filename__fprintf_build_id(input_name, stdout) > 0) |
efad1415 RR |
66 | goto out; |
67 | ||
8ceb41d7 | 68 | session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops); |
6ef81c55 MI |
69 | if (IS_ERR(session)) |
70 | return PTR_ERR(session); | |
cd10b289 AH |
71 | |
72 | /* | |
73 | * We take all buildids when the file contains AUX area tracing data | |
74 | * because we do not decode the trace because it would take too long. | |
75 | */ | |
8ceb41d7 | 76 | if (!perf_data__is_pipe(&data) && |
cd10b289 AH |
77 | perf_header__has_feat(&session->header, HEADER_AUXTRACE)) |
78 | with_hits = false; | |
79 | ||
d176db95 JO |
80 | if (!perf_header__has_feat(&session->header, HEADER_BUILD_ID)) |
81 | with_hits = true; | |
82 | ||
299c3452 SE |
83 | /* |
84 | * in pipe-mode, the only way to get the buildids is to parse | |
85 | * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID | |
86 | */ | |
8ceb41d7 | 87 | if (with_hits || perf_data__is_pipe(&data)) |
b7b61cbe | 88 | perf_session__process_events(session); |
1b549504 | 89 | |
417c2ff6 | 90 | perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); |
1b549504 | 91 | perf_session__delete(session); |
f0bf9107 | 92 | out: |
1b549504 RR |
93 | return 0; |
94 | } | |
95 | ||
b0ad8ea6 | 96 | int cmd_buildid_list(int argc, const char **argv) |
c34984b2 | 97 | { |
6ee41497 ACM |
98 | bool show_kernel = false; |
99 | bool with_hits = false; | |
100 | bool force = false; | |
6ee41497 ACM |
101 | const struct option options[] = { |
102 | OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), | |
103 | OPT_STRING('i', "input", &input_name, "file", "input file name"), | |
104 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
105 | OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), | |
106 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), | |
107 | OPT_END() | |
108 | }; | |
109 | const char * const buildid_list_usage[] = { | |
110 | "perf buildid-list [<options>]", | |
111 | NULL | |
112 | }; | |
113 | ||
c34984b2 ACM |
114 | argc = parse_options(argc, argv, options, buildid_list_usage, 0); |
115 | setup_pager(); | |
6ee41497 ACM |
116 | |
117 | if (show_kernel) | |
c8319c9d | 118 | return !(sysfs__fprintf_build_id(stdout) > 0); |
6ee41497 | 119 | |
70cb4e96 | 120 | return perf_session__list_build_ids(force, with_hits); |
c34984b2 | 121 | } |