linux-kernel - Re: [PATCH] perf metricgroup: Fix segmentation fault for metrics with no pmu event

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Date:   Wed, 3 Feb 2021 12:36:29 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     "Jin, Yao" <yao.jin@...ux.intel.com>
Cc:     John Garry <john.garry@...wei.com>, jolsa@...nel.org,
        peterz@...radead.org, mingo@...hat.com,
        alexander.shishkin@...ux.intel.com, Linux-kernel@...r.kernel.org,
        ak@...ux.intel.com, kan.liang@...el.com, yao.jin@...el.com
Subject: Re: [PATCH] perf metricgroup: Fix segmentation fault for metrics
 with no pmu event

Em Wed, Feb 03, 2021 at 08:46:52AM +0800, Jin, Yao escreveu:
> On 2/2/2021 4:15 PM, John Garry wrote:
> > On 02/02/2021 02:24, Jin Yao wrote:
> > > It causes the segmentation fault. Now check the pmu_name before strcmp.

> > > Fixes: c2337d67199a("perf metricgroup: Fix metrics using aliases covering multiple PMUs")
> > > Signed-off-by: Jin Yao <yao.jin@...ux.intel.com>

> > This should be fixed in v5.11-rc6 - please check it.

> > 9c880c24cb0d perf metricgroup: Fix for metrics containing duration_time
 
> Oh, I see, your patch is in Arnaldo's perf/urgent branch. Sorry about that,
> I just tested Arnaldo's perf/core branch. :(

As soon as I finish processing patches today and get perf/core thru the
usual set of tests, it'll all be in perf/core.

- Arnaldo