We need to synthesize events first, because some features works on top of them (on report side).
Link: http://lkml.kernel.org/n/tip-vz436m6fobfz8ykmuxo8p...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/builtin-record.c | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d33103291b02..22ebeb92ac51 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -754,13 +754,10 @@ static int record__synthesize(struct record *rec, bool tail) return 0; if (data->is_pipe) { - err = perf_event__synthesize_features( - tool, session, rec->evlist, process_synthesized_event); - if (err < 0) { - pr_err("Couldn't synthesize features.\n"); - return err; - } - + /* + * We need to synthesize events first, because some + * features works on top of them (on report side). + */ err = perf_event__synthesize_attrs(tool, session, process_synthesized_event); if (err < 0) { @@ -768,6 +765,13 @@ static int record__synthesize(struct record *rec, bool tail) goto out; } + err = perf_event__synthesize_features(tool, session, rec->evlist, + process_synthesized_event); + if (err < 0) { + pr_err("Couldn't synthesize features.\n"); + return err; + } + if (have_tracepoints(&rec->evlist->entries)) { /* * FIXME err <= 0 here actually means that -- 2.13.6
