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Re: [PATCH] perf, x86: try to handle unknown nmis with running perfctrs

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From: Peter Zijlstra
Subject: Re: [PATCH] perf, x86: try to handle unknown nmis with running perfctrs
Date: Monday, August 16, 2010 - 7:37 am

On Wed, 2010-08-11 at 08:36 -0400, Don Zickus wrote:

Long running SMIs aren't nearly as rare as you'd want them to be.
Hitting one in exactly the right spot will be, but given the numbers its
going to happen and make us scratch our heads..
--
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Messages in current thread:
A question of perf NMI handler, Lin Ming, (Wed Aug 4, 2:21 am)
Re: A question of perf NMI handler, Peter Zijlstra, (Wed Aug 4, 2:50 am)
Re: A question of perf NMI handler, Robert Richter, (Wed Aug 4, 3:01 am)
Re: A question of perf NMI handler, Peter Zijlstra, (Wed Aug 4, 3:24 am)
Re: A question of perf NMI handler, Robert Richter, (Wed Aug 4, 3:29 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 6:54 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 7:00 am)
Re: A question of perf NMI handler, Peter Zijlstra, (Wed Aug 4, 7:11 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 7:52 am)
Re: A question of perf NMI handler, Peter Zijlstra, (Wed Aug 4, 8:02 am)
Re: A question of perf NMI handler, Cyrill Gorcunov, (Wed Aug 4, 8:18 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 8:45 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 8:50 am)
Re: A question of perf NMI handler, Cyrill Gorcunov, (Wed Aug 4, 9:10 am)
Re: A question of perf NMI handler, Don Zickus, (Wed Aug 4, 9:20 am)
Re: A question of perf NMI handler, Cyrill Gorcunov, (Wed Aug 4, 9:39 am)
Re: A question of perf NMI handler, Robert Richter, (Wed Aug 4, 11:48 am)
Re: A question of perf NMI handler, Andi Kleen, (Wed Aug 4, 12:22 pm)
Re: A question of perf NMI handler, Cyrill Gorcunov, (Wed Aug 4, 12:26 pm)
Re: A question of perf NMI handler, Robert Richter, (Thu Aug 5, 11:52 pm)
Re: A question of perf NMI handler, Don Zickus, (Fri Aug 6, 7:21 am)
Re: A question of perf NMI handler, Andi Kleen, (Fri Aug 6, 8:35 am)
Re: A question of perf NMI handler, Andi Kleen, (Fri Aug 6, 8:37 am)
[PATCH] perf, x86: try to handle unknown nmis with running ..., Robert Richter, (Mon Aug 9, 12:48 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Cyrill Gorcunov, (Mon Aug 9, 1:02 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Tue Aug 10, 12:42 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Cyrill Gorcunov, (Tue Aug 10, 9:16 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Tue Aug 10, 9:41 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Cyrill Gorcunov, (Tue Aug 10, 10:24 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Tue Aug 10, 12:05 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Cyrill Gorcunov, (Tue Aug 10, 12:24 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Don Zickus, (Tue Aug 10, 1:48 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Frederic Weisbecker, (Tue Aug 10, 7:44 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Huang Ying, (Tue Aug 10, 8:19 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Wed Aug 11, 4:10 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Don Zickus, (Wed Aug 11, 5:36 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Don Zickus, (Wed Aug 11, 5:39 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Don Zickus, (Wed Aug 11, 5:44 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Wed Aug 11, 7:03 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Don Zickus, (Wed Aug 11, 7:32 am)
[PATCH -v2] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Wed Aug 11, 3:00 pm)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Thu Aug 12, 6:10 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Thu Aug 12, 6:24 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 12, 6:52 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Cyrill Gorcunov, (Thu Aug 12, 7:31 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 12, 11:21 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Frederic Weisbecker, (Thu Aug 12, 9:25 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Frederic Weisbecker, (Thu Aug 12, 9:37 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Fri Aug 13, 1:22 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Frederic Weisbecker, (Fri Aug 13, 6:28 pm)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Fri Aug 13, 7:29 pm)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Mon Aug 16, 12:37 am)
Re: [PATCH] perf, x86: try to handle unknown nmis with run ..., Peter Zijlstra, (Mon Aug 16, 7:37 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Mon Aug 16, 7:48 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Mon Aug 16, 9:27 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Mon Aug 16, 10:16 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Mon Aug 16, 12:06 pm)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Mon Aug 16, 12:13 pm)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Mon Aug 16, 12:18 pm)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Mon Aug 16, 3:55 pm)
[PATCH -v3] perf, x86: try to handle unknown nmis with run ..., Robert Richter, (Tue Aug 17, 8:22 am)
Re: [PATCH -v2] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Tue Aug 17, 8:23 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Tue Aug 17, 9:17 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Thu Aug 19, 3:45 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Thu Aug 19, 5:39 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 19, 7:12 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Thu Aug 19, 7:27 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 19, 8:20 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Thu Aug 19, 10:43 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Thu Aug 19, 10:53 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 19, 2:58 pm)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Thu Aug 19, 6:50 pm)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Ingo Molnar, (Fri Aug 20, 1:16 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Robert Richter, (Fri Aug 20, 1:36 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Fri Aug 20, 1:50 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Peter Zijlstra, (Fri Aug 20, 3:04 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Fri Aug 20, 3:30 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Fri Aug 20, 5:39 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Ingo Molnar, (Fri Aug 20, 6:27 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Fri Aug 20, 6:51 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Ingo Molnar, (Fri Aug 20, 7:17 am)
[tip:perf/urgent] perf, x86: Try to handle unknown nmis wi ..., tip-bot for Robert R ..., (Fri Aug 20, 7:17 am)
[tip:perf/urgent] perf, x86: Fix handle_irq return values, tip-bot for Peter Zi ..., (Fri Aug 20, 7:17 am)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Cyrill Gorcunov, (Fri Aug 20, 1:45 pm)
Re: [PATCH -v3] perf, x86: try to handle unknown nmis with ..., Don Zickus, (Tue Aug 24, 2:48 pm)