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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
c34984b2 ACM |
2 | /* |
3 | * builtin-buildid-list.c | |
4 | * | |
7a6f205d ACM |
5 | * Builtin buildid-list command: list buildids in perf.data, in the running |
6 | * kernel and in ELF files. | |
c34984b2 ACM |
7 | * |
8 | * Copyright (C) 2009, Red Hat Inc. | |
9 | * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com> | |
10 | */ | |
11 | #include "builtin.h" | |
12 | #include "perf.h" | |
7b2567c1 | 13 | #include "util/build-id.h" |
c34984b2 | 14 | #include "util/cache.h" |
c34984b2 | 15 | #include "util/debug.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> |
c34984b2 | 21 | |
f2add9cd ACM |
22 | static int sysfs__fprintf_build_id(FILE *fp) |
23 | { | |
d77fac7f | 24 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 25 | int ret; |
f2add9cd | 26 | |
0b5a7935 MH |
27 | ret = sysfs__sprintf_build_id("/", sbuild_id); |
28 | if (ret != sizeof(sbuild_id)) | |
29 | return ret < 0 ? ret : -EINVAL; | |
f2add9cd | 30 | |
0b5a7935 | 31 | return fprintf(fp, "%s\n", sbuild_id); |
f2add9cd ACM |
32 | } |
33 | ||
7a6f205d | 34 | static int filename__fprintf_build_id(const char *name, FILE *fp) |
f2add9cd | 35 | { |
d77fac7f | 36 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 37 | int ret; |
f2add9cd | 38 | |
0b5a7935 MH |
39 | ret = filename__sprintf_build_id(name, sbuild_id); |
40 | if (ret != sizeof(sbuild_id)) | |
41 | return ret < 0 ? ret : -EINVAL; | |
7a6f205d | 42 | |
7a6f205d ACM |
43 | return fprintf(fp, "%s\n", sbuild_id); |
44 | } | |
45 | ||
417c2ff6 ACM |
46 | static bool dso__skip_buildid(struct dso *dso, int with_hits) |
47 | { | |
48 | return with_hits && !dso->hit; | |
49 | } | |
50 | ||
70cb4e96 | 51 | static int perf_session__list_build_ids(bool force, bool with_hits) |
1b549504 RR |
52 | { |
53 | struct perf_session *session; | |
8ceb41d7 | 54 | struct perf_data data = { |
eae8ad80 JO |
55 | .file = { |
56 | .path = input_name, | |
57 | }, | |
58 | .mode = PERF_DATA_MODE_READ, | |
59 | .force = force, | |
f5fc1412 | 60 | }; |
1b549504 | 61 | |
166ccc9c | 62 | symbol__elf_init(); |
efad1415 RR |
63 | /* |
64 | * See if this is an ELF file first: | |
65 | */ | |
0b5a7935 | 66 | if (filename__fprintf_build_id(input_name, stdout) > 0) |
efad1415 RR |
67 | goto out; |
68 | ||
8ceb41d7 | 69 | session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops); |
f0bf9107 ACM |
70 | if (session == NULL) |
71 | return -1; | |
cd10b289 AH |
72 | |
73 | /* | |
74 | * We take all buildids when the file contains AUX area tracing data | |
75 | * because we do not decode the trace because it would take too long. | |
76 | */ | |
8ceb41d7 | 77 | if (!perf_data__is_pipe(&data) && |
cd10b289 AH |
78 | perf_header__has_feat(&session->header, HEADER_AUXTRACE)) |
79 | with_hits = false; | |
80 | ||
299c3452 SE |
81 | /* |
82 | * in pipe-mode, the only way to get the buildids is to parse | |
83 | * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID | |
84 | */ | |
8ceb41d7 | 85 | if (with_hits || perf_data__is_pipe(&data)) |
b7b61cbe | 86 | perf_session__process_events(session); |
1b549504 | 87 | |
417c2ff6 | 88 | perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); |
1b549504 | 89 | perf_session__delete(session); |
f0bf9107 | 90 | out: |
1b549504 RR |
91 | return 0; |
92 | } | |
93 | ||
b0ad8ea6 | 94 | int cmd_buildid_list(int argc, const char **argv) |
c34984b2 | 95 | { |
6ee41497 ACM |
96 | bool show_kernel = false; |
97 | bool with_hits = false; | |
98 | bool force = false; | |
6ee41497 ACM |
99 | const struct option options[] = { |
100 | OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), | |
101 | OPT_STRING('i', "input", &input_name, "file", "input file name"), | |
102 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
103 | OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), | |
104 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), | |
105 | OPT_END() | |
106 | }; | |
107 | const char * const buildid_list_usage[] = { | |
108 | "perf buildid-list [<options>]", | |
109 | NULL | |
110 | }; | |
111 | ||
c34984b2 ACM |
112 | argc = parse_options(argc, argv, options, buildid_list_usage, 0); |
113 | setup_pager(); | |
6ee41497 ACM |
114 | |
115 | if (show_kernel) | |
c8319c9d | 116 | return !(sysfs__fprintf_build_id(stdout) > 0); |
6ee41497 | 117 | |
70cb4e96 | 118 | return perf_session__list_build_ids(force, with_hits); |
c34984b2 | 119 | } |