Re: [PATCH] perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE event

[Leo Yan]

On Wed, Apr 13, 2022 at 04:49:41PM +0800, Leo Yan wrote:
> 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?

I think I know the reason now, though the PMU event is 'arm_spe_0',
but we could use '-e arm_spe//' to record, so finally the event name
is 'arm_spe'.

Thanks,
Leo