From: Peter Zijlstra <peterz@infradead.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: paulus <paulus@samba.org>,
stephane eranian <eranian@googlemail.com>,
Robert Richter <robert.richter@amd.com>,
Will Deacon <will.deacon@arm.com>,
Paul Mundt <lethal@linux-sh.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
Cyrill Gorcunov <gorcunov@gmail.com>,
Lin Ming <ming.m.lin@intel.com>,
Yanmin <yanmin_zhang@linux.intel.com>,
Deng-Cheng Zhu <dengcheng.zhu@gmail.com>,
David Miller <davem@davemloft.net>, Ingo Molnar <mingo@elte.hu>,
linux-kernel@vger.kernel.org,
Corey Ashford <cjashfor@linux.vnet.ibm.com>
Subject: Re: [RFC][PATCH 13/19] perf: Per cpu-context rotation timer
Date: Wed, 08 Sep 2010 15:56:17 +0200 [thread overview]
Message-ID: <1283954177.23762.24.camel@laptop> (raw)
In-Reply-To: <alpine.LFD.2.00.1009081547270.2477@localhost6.localdomain6>
On Wed, 2010-09-08 at 15:50 +0200, Thomas Gleixner wrote:
> > Because some people (Corey) want to be able to have different rotation
> > periods per pmu driver, so a timer per context was the easy way out.
>
> Makes sense. If you want it fully aligned with the tick, then you just
> might get the real tick time from the tick code and make it proper
> aligned.
Right, I'll go see if I can make that work nicely.
next prev parent reply other threads:[~2010-09-08 13:56 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-07 16:46 [RFC][PATCH 00/19] perf pmu interface changes -v4 Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 01/19] perf: Fix CPU hotplug Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 02/19] perf: deconstify struct pmu Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 03/19] perf: register pmu implementations Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 04/19] perf: Unindent labels Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 05/19] perf: Reduce perf_disable() usage Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 06/19] perf: Per PMU disable Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 07/19] perf: Default PMU ops Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 08/19] perf: Shrink hw_perf_event Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 09/19] perf: Rework the PMU methods Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 10/19] perf: Remove the sysfs bits Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 11/19] perf: Separate find_get_context() from event initialization Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 12/19] perf: Remove the swevent hash-table from the cpu context Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 13/19] perf: Per cpu-context rotation timer Peter Zijlstra
2010-09-07 17:07 ` Peter Zijlstra
2010-09-07 17:33 ` Thomas Gleixner
2010-09-07 17:36 ` Peter Zijlstra
2010-09-08 13:50 ` Thomas Gleixner
2010-09-08 13:56 ` Peter Zijlstra [this message]
2010-09-07 17:08 ` Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 14/19] perf: Per-pmu-per-cpu contexts Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 15/19] perf: Move some code around Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 16/19] perf: Clean up perf_event_context allocation Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 17/19] perf: Multiple task contexts Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 18/19] perf: Provide a separate task context for swevents Peter Zijlstra
2010-09-07 16:46 ` [RFC][PATCH 19/19] perf: Optimize context ops Peter Zijlstra
2010-09-10 4:39 ` [RFC][PATCH 00/19] perf pmu interface changes -v4 Paul Mackerras
2010-09-10 7:43 ` Peter Zijlstra
2010-09-14 16:56 ` Peter Zijlstra
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