From: Andi Kleen <andi@firstfloor.org>
To: "Yan\, Zheng" <zheng.z.yan@intel.com>
Cc: linux-kernel@vger.kernel.org, mingo@kernel.org,
acme@infradead.org, eranian@google.com, peterz@infradead.org
Subject: Re: [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer
Date: Thu, 31 Jul 2014 07:44:12 -0700 [thread overview]
Message-ID: <87a97pr3k3.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <53D9F0D7.7030002@intel.com> (Zheng Yan's message of "Thu, 31 Jul 2014 15:31:35 +0800")
"Yan, Zheng" <zheng.z.yan@intel.com> writes:
>>
>> Please lock yourselves in room and do not come out until you can give a
>> straight and coherent answer.
>>
>
> Andi,
>
> please confirm this
The hardware can merge PEBS events that happen nearby each other.
I was wrong earlier in stating the opposite.
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2014-07-31 14:44 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-22 8:09 [PATCH v3 0/7] perf, x86: large PEBS interrupt threshold Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 1/9] perf, core: introduce pmu context switch callback Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 2/9] perf, x86: use context switch callback to flush LBR stack Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 3/9] perf, x86: use the PEBS auto reload mechanism when possible Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 4/9] perf, x86: introduce setup_pebs_sample_data() Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 5/9] perf, x86: large PEBS interrupt threshold Yan, Zheng
2014-07-22 16:16 ` Andi Kleen
2014-07-23 0:59 ` Yan, Zheng
2014-07-22 8:09 ` [PATCH v3 6/9] perf, x86: handle multiple records in PEBS buffer Yan, Zheng
2014-07-25 8:10 ` Peter Zijlstra
2014-07-25 8:34 ` Yan, Zheng
2014-07-25 14:06 ` Peter Zijlstra
2014-07-28 2:24 ` Yan, Zheng
2014-07-28 3:36 ` Andi Kleen
2014-07-28 6:52 ` Peter Zijlstra
2014-07-31 7:31 ` Yan, Zheng
2014-07-31 14:44 ` Andi Kleen [this message]
2014-07-31 15:25 ` Peter Zijlstra
2014-07-25 15:04 ` Andi Kleen
2014-07-25 15:53 ` Peter Zijlstra
2014-07-25 16:40 ` Andi Kleen
2014-07-28 3:20 ` Yan, Zheng
2014-07-28 3:34 ` Andi Kleen
2014-07-28 6:54 ` Peter Zijlstra
2014-07-22 8:10 ` [PATCH v3 7/9] perf, x86: drain PEBS buffer during context switch Yan, Zheng
2014-07-22 8:10 ` [PATCH v3 8/9] perf, x86: enlarge PEBS buffer Yan, Zheng
2014-07-22 8:10 ` [PATCH v3 9/9] tools, perf: Allow the user to disable time stamps Yan, Zheng
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