Commit-ID: f0bf9107679f3670e5fbd52a934b7816256007f7 Gitweb: http://git.kernel.org/tip/f0bf9107679f3670e5fbd52a934b7816256007f7 Author: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> AuthorDate: Wed, 5 Dec 2012 16:24:05 -0300 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Sun, 9 Dec 2012 08:46:07 -0300 perf buildid-list: We need to check if a file is ELF first I.e. before we try to use it as a perf.data file by calling perf_session__new, otherwise we lose the feature that shows the build id for the given ELF file, this one: [root@sandy redhat-perfdata-mtech-15]# perf buildid-list -i /root/.debug/.build-id/97/54896de655b6ac088ec2bf5113b35c06f72709 9754896de655b6ac088ec2bf5113b35c06f72709 [root@sandy redhat-perfdata-mtech-15]# perf buildid-list -i /lib/libc-2.12.so 38adaeff4f7c21899b13b28c1a2e6c199ca4c744 [root@sandy redhat-perfdata-mtech-15]# Regression introduced in: efad1415 "perf report: Accept fifos as input file" Cc: David Ahern <dsahern@xxxxxxxxx> Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Mike Galbraith <efault@xxxxxx> Cc: Namhyung Kim <namhyung@xxxxxxxxx> Cc: Paul Mackerras <paulus@xxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Robert Richter <robert.richter@xxxxxxx> Cc: Stephane Eranian <eranian@xxxxxxxxxx> Link: http://lkml.kernel.org/n/tip-3ktgyg83fwpqyfpoj0t2ezp0@xxxxxxxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tools/perf/builtin-buildid-list.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c index a82d99f..4c770d2 100644 --- a/tools/perf/builtin-buildid-list.c +++ b/tools/perf/builtin-buildid-list.c @@ -49,18 +49,16 @@ static int perf_session__list_build_ids(bool force, bool with_hits) struct perf_session *session; symbol__elf_init(); - - session = perf_session__new(input_name, O_RDONLY, force, false, - &build_id__mark_dso_hit_ops); - if (session == NULL) - return -1; - /* * See if this is an ELF file first: */ - if (filename__fprintf_build_id(session->filename, stdout)) + if (filename__fprintf_build_id(input_name, stdout)) goto out; + session = perf_session__new(input_name, O_RDONLY, force, false, + &build_id__mark_dso_hit_ops); + if (session == NULL) + return -1; /* * in pipe-mode, the only way to get the buildids is to parse * the record stream. Buildids are stored as RECORD_HEADER_BUILD_ID @@ -69,8 +67,8 @@ static int perf_session__list_build_ids(bool force, bool with_hits) perf_session__process_events(session, &build_id__mark_dso_hit_ops); perf_session__fprintf_dsos_buildid(session, stdout, with_hits); -out: perf_session__delete(session); +out: return 0; } -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
|