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Message-ID: <20150601141941.GA14991@krava.redhat.com> Date: Mon, 1 Jun 2015 16:19:41 +0200 From: Jiri Olsa <jolsa@...hat.com> To: Andi Kleen <andi@...stfloor.org> Cc: acme@...nel.org, namhyung@...nel.org, eranian@...gle.com, linux-kernel@...r.kernel.org, Andi Kleen <ak@...ux.intel.com> Subject: Re: [PATCH 04/11] perf, tools, report: Add infrastructure for a cycles histogram On Wed, May 27, 2015 at 10:51:47AM -0700, Andi Kleen wrote: > From: Andi Kleen <ak@...ux.intel.com> > > This adds the basic infrastructure to keep track of cycle counts > per basic block for annotate. We allocate an array similar to the > normal accounting, and then account branch cycles there. > > We handle two cases: > cycles per basic block with start and cycles per branch > (these are later used for either IPC or just cycles per BB) > > In the start case we cannot handle overlaps, so always the longest > basic block wins. > > For the cycles per branch case everything is accurately accounted. > > v2: Remove unnecessary checks. Slight restructure. Move > symbol__get_annotation to another patch. Move histogram allocation. > Signed-off-by: Andi Kleen <ak@...ux.intel.com> Acked-by: Jiri Olsa <jolsa@...nel.org> thanks, 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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