From: Alexey Budankov <alexey.budankov@linux.intel.com>
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
Subject: Re: [PATCH v3 1/n] perf/core: addressing 4x slowdown during per-process profiling of STREAM benchmark on Intel Xeon Phi
Date: Fri, 30 Jun 2017 13:23:49 +0300 [thread overview]
Message-ID: <801ee488-8819-e3a7-c0a1-e91ed03b9a7b@linux.intel.com> (raw)
In-Reply-To: <023e19bb-ecf3-c939-3337-391568c567ff@linux.intel.com>
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
>>
>>
>
>
next prev parent reply other threads:[~2017-06-30 10:24 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-15 17:41 [PATCH v3 1/n] perf/core: addressing 4x slowdown during per-process profiling of STREAM benchmark on Intel Xeon Phi Alexey Budankov
2017-06-15 19:56 ` Mark Rutland
2017-06-15 22:10 ` Alexey Budankov
2017-06-16 9:09 ` Mark Rutland
2017-06-16 14:08 ` Alexey Budankov
2017-06-16 14:22 ` Alexey Budankov
2017-06-19 12:46 ` Mark Rutland
2017-06-19 13:38 ` Mark Rutland
2017-06-19 14:09 ` Alexey Budankov
2017-06-19 14:59 ` Andi Kleen
2017-06-19 15:09 ` Mark Rutland
2017-06-19 15:21 ` Andi Kleen
2017-06-19 15:24 ` Mark Rutland
2017-06-19 15:39 ` Andi Kleen
2017-06-19 15:52 ` Mark Rutland
2017-06-19 13:08 ` Alexey Budankov
2017-06-19 13:26 ` Mark Rutland
2017-06-19 13:37 ` Alexey Budankov
2017-06-19 15:00 ` Alexey Budankov
2017-06-19 15:24 ` Andi Kleen
2017-06-19 15:34 ` Alexey Budankov
2017-06-30 10:23 ` Alexey Budankov [this message]
2017-06-30 10:21 ` Alexey Budankov
2017-06-19 15:14 ` Mark Rutland
2017-06-19 15:27 ` Alexey Budankov
2017-06-30 10:21 ` Alexey Budankov
2017-06-19 20:31 ` Alexey Budankov
2017-06-20 13:36 ` Mark Rutland
2017-06-20 15:22 ` Alexey Budankov
2017-06-20 16:37 ` Mark Rutland
2017-06-20 17:10 ` Alexey Budankov
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