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Date:	Thu, 19 Jun 2014 12:34:48 +0200
From:	Jiri Olsa <>
To:	David Ahern <>
Cc:	Jiri Olsa <>,,
	Arnaldo Carvalho de Melo <>,
	Corey Ashford <>,
	Frederic Weisbecker <>,
	Ingo Molnar <>,
	Jean Pihet <>,
	Namhyung Kim <>,
	Paul Mackerras <>,
	Peter Zijlstra <>
Subject: Re: [PATCHv2 00/18] perf tools: Factor ordered samples queue

On Wed, Jun 18, 2014 at 01:44:46PM -0600, David Ahern wrote:


> >
> >Also now we have one of our big memory spender under control
> >and the ordered events queue code is put in separated object
> >with clear interface ready to be used by another command
> >like script.
> >
> >Also reachable in here:
> >   git://
> >   perf/core_ordered_events
> >
> I've skimmed through the patches. What happens if you are in the middle of a
> round and the max queue size is reached?

half of the queue (time half) is flushed to make some free space

> I need to find some time for a detailed review, and to run through some
> stress case scenarios. e.g., a couple that come to mind
> perf sched record -- perf bench sched pipe
> perf kvm record while booting a nested VM which causes a lot of VMEXITs

will try.. at least the first one ;-)

thanks for looking on this,
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