Messages in this thread | | | Date | Thu, 21 Jul 2022 08:27:19 +0800 | From | Leo Yan <> | Subject | Re: [PATCH v5 01/17] perf: Add SNOOP_PEER flag to perf mem data struct |
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On Wed, Jul 20, 2022 at 03:46:49PM -0300, Arnaldo Carvalho de Melo wrote: > Em Wed, Jul 20, 2022 at 03:45:51PM -0300, Arnaldo Carvalho de Melo escreveu: > > Em Sat, Jun 04, 2022 at 12:28:04PM +0800, Leo Yan escreveu: > > > From: Ali Saidi <alisaidi@amazon.com> > > > > > > Add a flag to the perf mem data struct to signal that a request caused a > > > cache-to-cache transfer of a line from a peer of the requestor and > > > wasn't sourced from a lower cache level. The line being moved from one > > > peer cache to another has latency and performance implications. On Arm64 > > > Neoverse systems the data source can indicate a cache-to-cache transfer > > > but not if the line is dirty or clean, so instead of overloading HITM > > > define a new flag that indicates this type of transfer. > > > > > > Signed-off-by: Ali Saidi <alisaidi@amazon.com> > > > Reviewed-by: Leo Yan <leo.yan@linaro.org> > > > Reviewed-by: Kajol Jain<kjain@linux.ibm.com> > > > > Hey, any knews about this going upstream? PeterZ? > > Just took a look and it isn't in tip/master.
Yeah, this patch is not picked by maintainers.
I confirmed that this patch can be applied cleanly on tip/master branch. Peter.Z, could you pick this patch?
Thanks, Leo
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