linux-kernel - Re: [RFC][PATCH 07/12] perf: Simplify/fix perf_event

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Message-ID: <56DEAC84.8020502@arm.com>
Date:	Tue, 08 Mar 2016 10:42:12 +0000
From:	James Morse <james.morse@....com>
To:	Peter Zijlstra <peterz@...radead.org>
CC:	mingo@...nel.org, alexander.shishkin@...ux.intel.com,
	eranian@...gle.com, linux-kernel@...r.kernel.org, vince@...ter.net,
	dvyukov@...gle.com, andi@...stfloor.org, jolsa@...hat.com,
	Mark Rutland <mark.rutland@....com>,
	Will Deacon <Will.Deacon@....com>, wangxg.fnst@...fujitsu.com
Subject: Re: [RFC][PATCH 07/12] perf: Simplify/fix perf_event_enable() event
 scheduling

On 08/03/16 10:26, Peter Zijlstra wrote:
> In any case, please try -rc6, which includes:

Bother, I should have thought to test with the later rcs, I foolishly stopped
with rc5.

>   a096309bc467 perf: Fix scaling vs. perf_install_in_context()
>   bd2afa49d194 perf: Fix scaling vs. perf_event_enable()
>   7fce250915ef perf: Fix scaling vs. perf_event_enable_on_exec()
>   3cbaa5906967 perf: Fix ctx time tracking by introducing EVENT_TIME
> 
> Which might fix this.

Yes, one of these has fixed the issue. For arm64 it no longer shows up with
v4.5-rc6.

Sorry for the noise!


Thanks,

James