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10#include "builtin.h"
11#include "perf.h"
12#include "util/build-id.h"
13#include "util/cache.h"
14#include "util/debug.h"
15#include <subcmd/parse-options.h>
16#include "util/session.h"
17#include "util/symbol.h"
18#include "util/data.h"
19#include <errno.h>
20
21static int sysfs__fprintf_build_id(FILE *fp)
22{
23 char sbuild_id[SBUILD_ID_SIZE];
24 int ret;
25
26 ret = sysfs__sprintf_build_id("/", sbuild_id);
27 if (ret != sizeof(sbuild_id))
28 return ret < 0 ? ret : -EINVAL;
29
30 return fprintf(fp, "%s\n", sbuild_id);
31}
32
33static int filename__fprintf_build_id(const char *name, FILE *fp)
34{
35 char sbuild_id[SBUILD_ID_SIZE];
36 int ret;
37
38 ret = filename__sprintf_build_id(name, sbuild_id);
39 if (ret != sizeof(sbuild_id))
40 return ret < 0 ? ret : -EINVAL;
41
42 return fprintf(fp, "%s\n", sbuild_id);
43}
44
45static bool dso__skip_buildid(struct dso *dso, int with_hits)
46{
47 return with_hits && !dso->hit;
48}
49
50static int perf_session__list_build_ids(bool force, bool with_hits)
51{
52 struct perf_session *session;
53 struct perf_data_file file = {
54 .path = input_name,
55 .mode = PERF_DATA_MODE_READ,
56 .force = force,
57 };
58
59 symbol__elf_init();
60
61
62
63 if (filename__fprintf_build_id(input_name, stdout) > 0)
64 goto out;
65
66 session = perf_session__new(&file, false, &build_id__mark_dso_hit_ops);
67 if (session == NULL)
68 return -1;
69
70
71
72
73
74 if (!perf_data_file__is_pipe(&file) &&
75 perf_header__has_feat(&session->header, HEADER_AUXTRACE))
76 with_hits = false;
77
78
79
80
81
82 if (with_hits || perf_data_file__is_pipe(&file))
83 perf_session__process_events(session);
84
85 perf_session__fprintf_dsos_buildid(session, stdout, dso__skip_buildid, with_hits);
86 perf_session__delete(session);
87out:
88 return 0;
89}
90
91int cmd_buildid_list(int argc, const char **argv)
92{
93 bool show_kernel = false;
94 bool with_hits = false;
95 bool force = false;
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
109 argc = parse_options(argc, argv, options, buildid_list_usage, 0);
110 setup_pager();
111
112 if (show_kernel)
113 return !(sysfs__fprintf_build_id(stdout) > 0);
114
115 return perf_session__list_build_ids(force, with_hits);
116}
117