Commit-ID: cca8482c0651cea97aade58cc22109ce9fffbfa2 Gitweb: http://git.kernel.org/tip/cca8482c0651cea97aade58cc22109ce9fffbfa2 Author: Adrian Hunter <adrian.hun...@intel.com> AuthorDate: Wed, 19 Aug 2015 17:29:21 +0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Wed, 19 Aug 2015 14:15:26 -0300
perf tools: Fix buildid processing After recording, 'perf record' post-processes the data to determine which buildids are needed. That processing must process the data in time order, if possible, because otherwise dependent events, like forks and mmaps, will not make sense. Signed-off-by: Adrian Hunter <adrian.hun...@intel.com> Tested-by: Jiri Olsa <jo...@kernel.org> Cc: Linus Torvalds <torva...@linux-foundation.org> Link: http://lkml.kernel.org/r/1439994561-27436-4-git-send-email-adrian.hun...@intel.com [ Moved the sample_id_add to after trying to open the events, use pr_warning ] Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/builtin-record.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index de165a1..20b56eb 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -521,6 +521,15 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_child; } + /* + * Normally perf_session__new would do this, but it doesn't have the + * evlist. + */ + if (rec->tool.ordered_events && !perf_evlist__sample_id_all(rec->evlist)) { + pr_warning("WARNING: No sample_id_all support, falling back to unordered processing\n"); + rec->tool.ordered_events = false; + } + if (!rec->evlist->nr_groups) perf_header__clear_feat(&session->header, HEADER_GROUP_DESC); @@ -965,9 +974,11 @@ static struct record record = { .tool = { .sample = process_sample_event, .fork = perf_event__process_fork, + .exit = perf_event__process_exit, .comm = perf_event__process_comm, .mmap = perf_event__process_mmap, .mmap2 = perf_event__process_mmap2, + .ordered_events = true, }, }; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/