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11#include "builtin.h"
12#include "perf.h"
13#include "util/build-id.h"
14#include "util/cache.h"
15#include "util/debug.h"
16#include <subcmd/parse-options.h>
17#include "util/session.h"
18#include "util/symbol.h"
19#include "util/data.h"
20#include <errno.h>
21
22static int sysfs__fprintf_build_id(FILE *fp)
23{
24 char sbuild_id[SBUILD_ID_SIZE];
25 int ret;
26
27 ret = sysfs__sprintf_build_id("/", sbuild_id);
28 if (ret != sizeof(sbuild_id))
29 return ret < 0 ? ret : -EINVAL;
30
31 return fprintf(fp, "%s\n", sbuild_id);
32}
33
34static int filename__fprintf_build_id(const char *name, FILE *fp)
35{
36 char sbuild_id[SBUILD_ID_SIZE];
37 int ret;
38
39 ret = filename__sprintf_build_id(name, sbuild_id);
40 if (ret != sizeof(sbuild_id))
41 return ret < 0 ? ret : -EINVAL;
42
43 return fprintf(fp, "%s\n", sbuild_id);
44}
45
46static bool dso__skip_buildid(struct dso *dso, int with_hits)
47{
48 return with_hits && !dso->hit;
49}
50
51static int perf_session__list_build_ids(bool force, bool with_hits)
52{
53 struct perf_session *session;
54 struct perf_data data = {
55 .path = input_name,
56 .mode = PERF_DATA_MODE_READ,
57 .force = force,
58 };
59
60 symbol__elf_init();
61
62
63
64 if (filename__fprintf_build_id(input_name, stdout) > 0)
65 goto out;
66
67 session = perf_session__new(&data, false, &build_id__mark_dso_hit_ops);
68 if (session == NULL)
69 return -1;
70
71
72
73
74
75 if (!perf_data__is_pipe(&data) &&
76 perf_header__has_feat(&session->header, HEADER_AUXTRACE))
77 with_hits = false;
78
79
80
81
82
83 if (with_hits || perf_data__is_pipe(&data))
84 perf_session__process_events(session);
85
86 perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
87 perf_session__delete(session);
88out:
89 return 0;
90}
91
92int cmd_buildid_list(int argc, const char **argv)
93{
94 bool show_kernel = false;
95 bool with_hits = false;
96 bool force = false;
97 const struct option options[] = {
98 OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"),
99 OPT_STRING('i', "input", &input_name, "file", "input file name"),
100 OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
101 OPT_BOOLEAN('k', "kernel", &show_kernel, "Show current kernel build id"),
102 OPT_INCR('v', "verbose", &verbose, "be more verbose"),
103 OPT_END()
104 };
105 const char * const buildid_list_usage[] = {
106 "perf buildid-list [<options>]",
107 NULL
108 };
109
110 argc = parse_options(argc, argv, options, buildid_list_usage, 0);
111 setup_pager();
112
113 if (show_kernel)
114 return !(sysfs__fprintf_build_id(stdout) > 0);
115
116 return perf_session__list_build_ids(force, with_hits);
117}
118