Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 03/14] perf record: Synthesize features before events in pipe mode | Date | Mon, 19 Mar 2018 16:01:25 -0300 |
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From: Jiri Olsa <jolsa@kernel.org>
We need to synthesize events first, because some features works on top of them (on report side).
Signed-off-by: Jiri Olsa <jolsa@kernel.org> Tested-by: Stephane Eranian <eranian@google.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180314092205.23291-1-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- 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 -- 2.14.3
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