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Date: Thu, 19 Jun 2014 12:34:48 +0200 From: Jiri Olsa <jolsa@...hat.com> To: David Ahern <dsahern@...il.com> Cc: Jiri Olsa <jolsa@...nel.org>, linux-kernel@...r.kernel.org, Arnaldo Carvalho de Melo <acme@...nel.org>, Corey Ashford <cjashfor@...ux.vnet.ibm.com>, Frederic Weisbecker <fweisbec@...il.com>, Ingo Molnar <mingo@...nel.org>, Jean Pihet <jean.pihet@...aro.org>, Namhyung Kim <namhyung@...nel.org>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl> Subject: Re: [PATCHv2 00/18] perf tools: Factor ordered samples queue On Wed, Jun 18, 2014 at 01:44:46PM -0600, David Ahern wrote: SNIP > > > >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://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.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, jirka -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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