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From: Alexey Budankov <alexey.budankov@linux.intel.com>
Subject: Re: [PATCH v3 1/n] perf/core: addressing 4x slowdown during
 per-process profiling of STREAM benchmark on Intel Xeon Phi
To: Andi Kleen <ak@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
        Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>,
        Arnaldo Carvalho de Melo <acme@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Kan Liang <kan.liang@intel.com>,
        Dmitri Prokhorov <Dmitry.Prohorov@intel.com>,
        Valery Cherepennikov <valery.cherepennikov@intel.com>,
        David Carrillo-Cisneros <davidcc@google.com>,
        Stephane Eranian <eranian@google.com>, linux-kernel@vger.kernel.org
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Date: Fri, 30 Jun 2017 13:23:49 +0300
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On 19.06.2017 18:34, Alexey Budankov wrote:
> On 19.06.2017 18:24, Andi Kleen wrote:
>>> One more:
>>
>> It may help if you run with KASAN enabled. That often
>> finds problems earlier.
>>
>> Also could use ftrace and use ftrace_dump_on_oops to
>> see the sequence (but that has a lot of overhead
>> and sometimes hides problems)
> 
> Ok. Will try. Thanks.

Tested patch v5 with KASAN enabled. No memory corruptions were revealed so far. 

> 
>>
>> -Andi
>>
>>
> 
>