Re: [PATCH 2/3] perf script: Fix crash because of missing evsel->priv

From: Ravi Bangoria
Date: Wed Jun 20 2018 - 10:01:20 EST


Hi Arnaldo,

On 06/20/2018 07:22 PM, Arnaldo Carvalho de Melo wrote:
> Em Wed, Jun 20, 2018 at 07:00:29PM +0530, Ravi Bangoria escreveu:
>> perf script in pipped mode is crashing because evsel->priv is not
>> set properly. Fix it.
>>
>> Before:
>> # ./perf record -o - -- ls | ./perf script
>> Segmentation fault (core dumped)
>>
>> After:
>> # ./perf record -o - -- ls | ./perf script
>> ls 2282 1031.731974: 250000 cpu-clock:uhH: 7effe4b3d29e
>> ls 2282 1031.732222: 250000 cpu-clock:uhH: 7effe4b3a650
>>
>> Signed-off-by: Ravi Bangoria <ravi.bangoria@xxxxxxxxxxxxx>
>> Fixes: a14390fde64e ("perf script: Allow creating per-event dump files")
>
> Humm, this cset doesn't set evsel->priv to a 'struct perf_evsel_script'
> object, will check which one does to continue review.

Possible. Actually, git bisect led me to this commit.

Ravi