diff options
Diffstat (limited to 'tools/perf/builtin-buildid-list.c')
-rw-r--r-- | tools/perf/builtin-buildid-list.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c new file mode 100644 index 00000000000..bfd16a1594e --- /dev/null +++ b/tools/perf/builtin-buildid-list.c @@ -0,0 +1,77 @@ +/* + * builtin-buildid-list.c + * + * Builtin buildid-list command: list buildids in perf.data + * + * Copyright (C) 2009, Red Hat Inc. + * Copyright (C) 2009, Arnaldo Carvalho de Melo <acme@redhat.com> + */ +#include "builtin.h" +#include "perf.h" +#include "util/cache.h" +#include "util/data_map.h" +#include "util/debug.h" +#include "util/parse-options.h" +#include "util/session.h" +#include "util/symbol.h" + +static char const *input_name = "perf.data"; +static int force; + +static const char *const buildid_list_usage[] = { + "perf buildid-list [<options>]", + NULL +}; + +static const struct option options[] = { + OPT_STRING('i', "input", &input_name, "file", + "input file name"), + OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), + OPT_BOOLEAN('v', "verbose", &verbose, + "be more verbose"), + OPT_END() +}; + +static int perf_file_section__process_buildids(struct perf_file_section *self, + int feat, int fd) +{ + if (feat != HEADER_BUILD_ID) + return 0; + + if (lseek(fd, self->offset, SEEK_SET) < 0) { + pr_warning("Failed to lseek to %Ld offset for buildids!\n", + self->offset); + return -1; + } + + if (perf_header__read_build_ids(fd, self->offset, self->size)) { + pr_warning("Failed to read buildids!\n"); + return -1; + } + + return 0; +} + +static int __cmd_buildid_list(void) +{ + int err = -1; + struct perf_session *session = perf_session__new(input_name, O_RDONLY, force); + + if (session == NULL) + return -1; + + err = perf_header__process_sections(&session->header, session->fd, + perf_file_section__process_buildids); + if (err >= 0) + dsos__fprintf_buildid(stdout); + + perf_session__delete(session); + return err; +} + +int cmd_buildid_list(int argc, const char **argv, const char *prefix __used) +{ + argc = parse_options(argc, argv, options, buildid_list_usage, 0); + setup_pager(); + return __cmd_buildid_list(); +} |