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Date:   Wed, 13 Apr 2022 17:13:27 +0800
From:   Leo Yan <leo.yan@linaro.org>
To:     German Gomez <german.gomez@arm.com>
Cc:     Arnaldo Carvalho de Melo <acme@kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Ingo Molnar <mingo@redhat.com>,
        Mark Rutland <mark.rutland@arm.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Jiri Olsa <jolsa@kernel.org>,
        Namhyung Kim <namhyung@kernel.org>,
        Ravi Bangoria <ravi.bangoria@linux.ibm.com>,
        James Clark <james.clark@arm.com>,
        linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] perf report: Set PERF_SAMPLE_DATA_SRC bit for Arm SPE
 event
Message-ID: <20220413091327.GC521036@leoy-ThinkPad-X240s>
References: <20220413075124.635589-1-leo.yan@linaro.org>
 <c21b3409-a8a0-aae7-7634-5e648f0a49b1@arm.com>
 <20220413084941.GB521036@leoy-ThinkPad-X240s>
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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