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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/cache.h" |
c34984b2 | 14 | #include "util/debug.h" |
4b6ab94e | 15 | #include <subcmd/parse-options.h> |
94c744b6 | 16 | #include "util/session.h" |
c34984b2 | 17 | #include "util/symbol.h" |
f5fc1412 | 18 | #include "util/data.h" |
a43783ae | 19 | #include <errno.h> |
c34984b2 | 20 | |
f2add9cd ACM |
21 | static int sysfs__fprintf_build_id(FILE *fp) |
22 | { | |
d77fac7f | 23 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 24 | int ret; |
f2add9cd | 25 | |
0b5a7935 MH |
26 | ret = sysfs__sprintf_build_id("/", sbuild_id); |
27 | if (ret != sizeof(sbuild_id)) | |
28 | return ret < 0 ? ret : -EINVAL; | |
f2add9cd | 29 | |
0b5a7935 | 30 | return fprintf(fp, "%s\n", sbuild_id); |
f2add9cd ACM |
31 | } |
32 | ||
7a6f205d | 33 | static int filename__fprintf_build_id(const char *name, FILE *fp) |
f2add9cd | 34 | { |
d77fac7f | 35 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 36 | int ret; |
f2add9cd | 37 | |
0b5a7935 MH |
38 | ret = filename__sprintf_build_id(name, sbuild_id); |
39 | if (ret != sizeof(sbuild_id)) | |
40 | return ret < 0 ? ret : -EINVAL; | |
7a6f205d | 41 | |
7a6f205d ACM |
42 | return fprintf(fp, "%s\n", sbuild_id); |
43 | } | |
44 | ||
417c2ff6 ACM |
45 | static bool dso__skip_buildid(struct dso *dso, int with_hits) |
46 | { | |
47 | return with_hits && !dso->hit; | |
48 | } | |
49 | ||
70cb4e96 | 50 | static int perf_session__list_build_ids(bool force, bool with_hits) |
1b549504 RR |
51 | { |
52 | struct perf_session *session; | |
f5fc1412 JO |
53 | struct perf_data_file file = { |
54 | .path = input_name, | |
55 | .mode = PERF_DATA_MODE_READ, | |
56 | .force = force, | |
57 | }; | |
1b549504 | 58 | |
166ccc9c | 59 | symbol__elf_init(); |
efad1415 RR |
60 | /* |
61 | * See if this is an ELF file first: | |
62 | */ | |
0b5a7935 | 63 | if (filename__fprintf_build_id(input_name, stdout) > 0) |
efad1415 RR |
64 | goto out; |
65 | ||
f5fc1412 | 66 | session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops); |
f0bf9107 ACM |
67 | if (session == NULL) |
68 | return -1; | |
cd10b289 AH |
69 | |
70 | /* | |
71 | * We take all buildids when the file contains AUX area tracing data | |
72 | * because we do not decode the trace because it would take too long. | |
73 | */ | |
74 | if (!perf_data_file__is_pipe(&file) && | |
75 | perf_header__has_feat(&session->header, HEADER_AUXTRACE)) | |
76 | with_hits = false; | |
77 | ||
299c3452 SE |
78 | /* |
79 | * in pipe-mode, the only way to get the buildids is to parse | |
80 | * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID | |
81 | */ | |
cc9784bd | 82 | if (with_hits || perf_data_file__is_pipe(&file)) |
b7b61cbe | 83 | perf_session__process_events(session); |
1b549504 | 84 | |
417c2ff6 | 85 | perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); |
1b549504 | 86 | perf_session__delete(session); |
f0bf9107 | 87 | out: |
1b549504 RR |
88 | return 0; |
89 | } | |
90 | ||
b0ad8ea6 | 91 | int cmd_buildid_list(int argc, const char **argv) |
c34984b2 | 92 | { |
6ee41497 ACM |
93 | bool show_kernel = false; |
94 | bool with_hits = false; | |
95 | bool force = false; | |
6ee41497 ACM |
96 | 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 | ||
c34984b2 ACM |
109 | argc = parse_options(argc, argv, options, buildid_list_usage, 0); |
110 | setup_pager(); | |
6ee41497 ACM |
111 | |
112 | if (show_kernel) | |
c8319c9d | 113 | return !(sysfs__fprintf_build_id(stdout) > 0); |
6ee41497 | 114 | |
70cb4e96 | 115 | return perf_session__list_build_ids(force, with_hits); |
c34984b2 | 116 | } |