2 * builtin-buildid-list.c
4 * Builtin buildid-list command: list buildids in perf.data
6 * Copyright (C) 2009, Red Hat Inc.
7 * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com>
11 #include "util/cache.h"
12 #include "util/data_map.h"
13 #include "util/debug.h"
14 #include "util/header.h"
15 #include "util/parse-options.h"
16 #include "util/symbol.h"
18 static char const *input_name
= "perf.data";
21 static const char *const buildid_list_usage
[] = {
22 "perf report [<options>]",
26 static const struct option options
[] = {
27 OPT_STRING('i', "input", &input_name
, "file",
29 OPT_BOOLEAN('f', "force", &force
, "don't complain, do it"),
30 OPT_BOOLEAN('v', "verbose", &verbose
,
35 static int perf_file_section__process_buildids(struct perf_file_section
*self
,
38 if (feat
!= HEADER_BUILD_ID
)
41 if (lseek(fd
, self
->offset
, SEEK_SET
) < 0) {
42 pr_warning("Failed to lseek to %Ld offset for buildids!\n",
47 if (perf_header__read_build_ids(fd
, self
->offset
, self
->size
)) {
48 pr_warning("Failed to read buildids!\n");
55 static int __cmd_buildid_list(void)
58 struct perf_header
*header
;
59 struct perf_file_header f_header
;
60 struct stat input_stat
;
61 int input
= open(input_name
, O_RDONLY
);
64 pr_err("failed to open file: %s", input_name
);
65 if (!strcmp(input_name
, "perf.data"))
66 pr_err(" (try 'perf record' first)");
71 err
= fstat(input
, &input_stat
);
73 perror("failed to stat file");
77 if (!force
&& input_stat
.st_uid
&& (input_stat
.st_uid
!= geteuid())) {
78 pr_err("file %s not owned by current user or root\n",
83 if (!input_stat
.st_size
) {
84 pr_info("zero-sized file, nothing to do!\n");
89 header
= perf_header__new();
93 if (perf_file_header__read(&f_header
, header
, input
) < 0) {
94 pr_warning("incompatible file format");
98 err
= perf_header__process_sections(header
, input
,
99 perf_file_section__process_buildids
);
104 dsos__fprintf_buildid(stdout
);
111 int cmd_buildid_list(int argc
, const char **argv
, const char *prefix __used
)
113 argc
= parse_options(argc
, argv
, options
, buildid_list_usage
, 0);
115 return __cmd_buildid_list();