Messages in this thread Patch in this message | | | Date | Mon, 21 Feb 2022 20:46:32 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH] perf script: Fix error when printing 'weight' field |
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On Mon, Feb 21, 2022 at 05:17:06PM +0000, German Gomez wrote: > In SPE traces the 'weight' field can't be printed in perf-script because > the 'dummy:u' event doesn't have the WEIGHT attribute set. > > Use evsel__do_check_stype(..) to check this field, as it's done with > other fields such as "phys_addr". > > Before: > > $ perf record -e arm_spe_0// -- sleep 1 > $ perf script -F event,ip,weight > Samples for 'dummy:u' event do not have WEIGHT attribute set. Cannot print 'weight' field. > > After: > > $ perf script -F event,ip,weight > l1d-access: 12 ffffaf629d4cb320 > tlb-access: 12 ffffaf629d4cb320 > memory: 12 ffffaf629d4cb320 > > Fixes: b0fde9c6e291 ("perf arm-spe: Add SPE total latency as PERF_SAMPLE_WEIGHT") > Signed-off-by: German Gomez <german.gomez@arm.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
thanks, jirka
> --- > tools/perf/builtin-script.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c > index 9e032343f..6ce581067 100644 > --- a/tools/perf/builtin-script.c > +++ b/tools/perf/builtin-script.c > @@ -463,7 +463,7 @@ static int evsel__check_attr(struct evsel *evsel, struct perf_session *session) > return -EINVAL; > > if (PRINT_FIELD(WEIGHT) && > - evsel__check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT)) > + evsel__do_check_stype(evsel, PERF_SAMPLE_WEIGHT_TYPE, "WEIGHT", PERF_OUTPUT_WEIGHT, allow_user_set)) > return -EINVAL; > > if (PRINT_FIELD(SYM) && > -- > 2.25.1 >
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