Re: [PATCH] perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event
From: Arnaldo Carvalho de Melo
Date: Wed Apr 13 2022 - 21:24:55 EST
Em Wed, Apr 13, 2022 at 04:49:41PM +0800, Leo Yan escreveu:
> On Wed, Apr 13, 2022 at 09:15:40AM +0100, German Gomez wrote:
>
> [...]
>
> > > if (sort__mode == SORT_MODE__MEMORY) {
> > > + /*
> > > + * FIXUP: prior to kernel 5.18, Arm SPE missed to set
> > > + * PERF_SAMPLE_DATA_SRC bit in sample type. For backward
> > > + * compatibility, set the bit if it's an old perf data file.
> > > + */
> > > + evlist__for_each_entry(session->evlist, evsel) {
> > > + if (strstr(evsel->name, "arm_spe_") &&
> >
> > This didn't work for me when the file recorded "-e arm_spe//" instead of
> > "-e arm_spe_0//". Could you remove the trailing _? With that:
>
> Sure, will change to "arm_spe". Just curious, if there any local
> change at your side so we have the different event name?
Ok, waiting for v2
> > Tested-by: German Gomez <german.gomez@xxxxxxx>
>
> Thanks a lot, German!
>
> Leo
--
- Arnaldo