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" | |
7b2567c1 | 11 | #include "util/build-id.h" |
c34984b2 | 12 | #include "util/debug.h" |
4a3cec84 | 13 | #include "util/dso.h" |
a6bd98c4 | 14 | #include "util/map.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" |
f12ad272 | 20 | #include "util/util.h" |
a43783ae | 21 | #include <errno.h> |
a6bd98c4 | 22 | #include <inttypes.h> |
6ef81c55 | 23 | #include <linux/err.h> |
c34984b2 | 24 | |
a6bd98c4 BJ |
25 | static int buildid__map_cb(struct map *map, void *arg __maybe_unused) |
26 | { | |
63df0e4b | 27 | const struct dso *dso = map__dso(map); |
a6bd98c4 BJ |
28 | char bid_buf[SBUILD_ID_SIZE]; |
29 | ||
30 | memset(bid_buf, 0, sizeof(bid_buf)); | |
31 | if (dso->has_build_id) | |
32 | build_id__sprintf(&dso->bid, bid_buf); | |
e5116f46 | 33 | printf("%s %16" PRIx64 " %16" PRIx64, bid_buf, map__start(map), map__end(map)); |
a6bd98c4 BJ |
34 | if (dso->long_name != NULL) { |
35 | printf(" %s", dso->long_name); | |
36 | } else if (dso->short_name != NULL) { | |
37 | printf(" %s", dso->short_name); | |
38 | } | |
39 | printf("\n"); | |
40 | ||
41 | return 0; | |
42 | } | |
43 | ||
44 | static void buildid__show_kernel_maps(void) | |
45 | { | |
46 | struct machine *machine; | |
47 | ||
48 | machine = machine__new_host(); | |
49 | machine__for_each_kernel_map(machine, buildid__map_cb, NULL); | |
50 | machine__delete(machine); | |
51 | } | |
52 | ||
f2add9cd ACM |
53 | static int sysfs__fprintf_build_id(FILE *fp) |
54 | { | |
d77fac7f | 55 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 56 | int ret; |
f2add9cd | 57 | |
0b5a7935 MH |
58 | ret = sysfs__sprintf_build_id("/", sbuild_id); |
59 | if (ret != sizeof(sbuild_id)) | |
60 | return ret < 0 ? ret : -EINVAL; | |
f2add9cd | 61 | |
0b5a7935 | 62 | return fprintf(fp, "%s\n", sbuild_id); |
f2add9cd ACM |
63 | } |
64 | ||
7a6f205d | 65 | static int filename__fprintf_build_id(const char *name, FILE *fp) |
f2add9cd | 66 | { |
d77fac7f | 67 | char sbuild_id[SBUILD_ID_SIZE]; |
0b5a7935 | 68 | int ret; |
f2add9cd | 69 | |
0b5a7935 MH |
70 | ret = filename__sprintf_build_id(name, sbuild_id); |
71 | if (ret != sizeof(sbuild_id)) | |
72 | return ret < 0 ? ret : -EINVAL; | |
7a6f205d | 73 | |
7a6f205d ACM |
74 | return fprintf(fp, "%s\n", sbuild_id); |
75 | } | |
76 | ||
417c2ff6 ACM |
77 | static bool dso__skip_buildid(struct dso *dso, int with_hits) |
78 | { | |
79 | return with_hits && !dso->hit; | |
80 | } | |
81 | ||
70cb4e96 | 82 | static int perf_session__list_build_ids(bool force, bool with_hits) |
1b549504 RR |
83 | { |
84 | struct perf_session *session; | |
8ceb41d7 | 85 | struct perf_data data = { |
2d4f2799 JO |
86 | .path = input_name, |
87 | .mode = PERF_DATA_MODE_READ, | |
88 | .force = force, | |
f5fc1412 | 89 | }; |
1b549504 | 90 | |
166ccc9c | 91 | symbol__elf_init(); |
efad1415 RR |
92 | /* |
93 | * See if this is an ELF file first: | |
94 | */ | |
0b5a7935 | 95 | if (filename__fprintf_build_id(input_name, stdout) > 0) |
efad1415 RR |
96 | goto out; |
97 | ||
2681bd85 | 98 | session = perf_session__new(&data, &build_id__mark_dso_hit_ops); |
6ef81c55 MI |
99 | if (IS_ERR(session)) |
100 | return PTR_ERR(session); | |
cd10b289 AH |
101 | |
102 | /* | |
103 | * We take all buildids when the file contains AUX area tracing data | |
104 | * because we do not decode the trace because it would take too long. | |
105 | */ | |
8ceb41d7 | 106 | if (!perf_data__is_pipe(&data) && |
cd10b289 AH |
107 | perf_header__has_feat(&session->header, HEADER_AUXTRACE)) |
108 | with_hits = false; | |
109 | ||
d176db95 JO |
110 | if (!perf_header__has_feat(&session->header, HEADER_BUILD_ID)) |
111 | with_hits = true; | |
112 | ||
c67d7349 MW |
113 | if (zstd_init(&(session->zstd_data), 0) < 0) |
114 | pr_warning("Decompression initialization failed. Reported data may be incomplete.\n"); | |
115 | ||
299c3452 SE |
116 | /* |
117 | * in pipe-mode, the only way to get the buildids is to parse | |
118 | * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID | |
119 | */ | |
8ceb41d7 | 120 | if (with_hits || perf_data__is_pipe(&data)) |
b7b61cbe | 121 | perf_session__process_events(session); |
1b549504 | 122 | |
417c2ff6 | 123 | perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits); |
1b549504 | 124 | perf_session__delete(session); |
f0bf9107 | 125 | out: |
1b549504 RR |
126 | return 0; |
127 | } | |
128 | ||
b0ad8ea6 | 129 | int cmd_buildid_list(int argc, const char **argv) |
c34984b2 | 130 | { |
6ee41497 | 131 | bool show_kernel = false; |
a6bd98c4 | 132 | bool show_kernel_maps = false; |
6ee41497 ACM |
133 | bool with_hits = false; |
134 | bool force = false; | |
6ee41497 ACM |
135 | const struct option options[] = { |
136 | OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), | |
137 | OPT_STRING('i', "input", &input_name, "file", "input file name"), | |
138 | OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), | |
139 | OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"), | |
a6bd98c4 BJ |
140 | OPT_BOOLEAN('m', "kernel-maps", &show_kernel_maps, |
141 | "Show build id of current kernel + modules"), | |
6ee41497 ACM |
142 | OPT_INCR('v', "verbose", &verbose, "be more verbose"), |
143 | OPT_END() | |
144 | }; | |
145 | const char * const buildid_list_usage[] = { | |
146 | "perf buildid-list [<options>]", | |
147 | NULL | |
148 | }; | |
149 | ||
c34984b2 ACM |
150 | argc = parse_options(argc, argv, options, buildid_list_usage, 0); |
151 | setup_pager(); | |
6ee41497 | 152 | |
a6bd98c4 | 153 | if (show_kernel) { |
c8319c9d | 154 | return !(sysfs__fprintf_build_id(stdout) > 0); |
a6bd98c4 BJ |
155 | } else if (show_kernel_maps) { |
156 | buildid__show_kernel_maps(); | |
157 | return 0; | |
158 | } | |
6ee41497 | 159 | |
70cb4e96 | 160 | return perf_session__list_build_ids(force, with_hits); |
c34984b2 | 161 | } |