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Date: Wed, 11 May 2022 15:29:44 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Leo Yan <leo.yan@...aro.org> Cc: Ali Saidi <alisaidi@...zon.com>, linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, german.gomez@....com, benh@...nel.crashing.org, Nick.Forrington@....com, alexander.shishkin@...ux.intel.com, andrew.kilroy@....com, james.clark@....com, john.garry@...wei.com, jolsa@...nel.org, kjain@...ux.ibm.com, lihuafei1@...wei.com, mark.rutland@....com, mathieu.poirier@...aro.org, mingo@...hat.com, namhyung@...nel.org, peterz@...radead.org, will@...nel.org Subject: Re: [PATCH v8 2/5] perf tools: sync addition of PERF_MEM_SNOOPX_PEER Em Wed, May 11, 2022 at 03:28:00PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Wed, May 11, 2022 at 10:20:04AM +0800, Leo Yan escreveu: > > On Tue, May 10, 2022 at 01:28:38PM -0300, Arnaldo Carvalho de Melo wrote: > > > Em Wed, May 04, 2022 at 06:48:47PM +0000, Ali Saidi escreveu: > > > > 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@...zon.com> > > > > Reviewed-by: Leo Yan <leo.yan@...aro.org> > > > > > > Was this already merged on the ARM kernel tree? > > > > No, I don't think this patch has been merged on Arm kernel tree. I searched > > Arm and Arm64 git repos, none of them has merged this patch. > > > > https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git/log/?qt=author&q=Ali+Saidi > > http://git.armlinux.org.uk/cgit/linux-arm.git/log/?qt=author&q=Ali+Saidi > > > > P.s. Ali missed to include German's review tag, see: > > https://lore.kernel.org/lkml/458a2de1-dc93-7e2d-5dc5-fbcd670572b6@arm.com/ > > > > Do you want us to resend the patch set for adding tags? > > I use b4 and it should collect Reviewed-by, Acked-by, etc tags, for > instance, if I use the message-id in your message: > > ⬢[acme@...lbox perf]$ b4 am -ctsl --cc-trailers 20220511022004.GA956170@...y-ThinkPad-X240s > Looking up https://lore.kernel.org/r/20220511022004.GA956170%40leoy-ThinkPad-X240s > Grabbing thread from lore.kernel.org/all/20220511022004.GA956170%40leoy-ThinkPad-X240s/t.mbox.gz > Checking for newer revisions on https://lore.kernel.org/all/ > Analyzing 12 messages in the thread <SNIP> > ✓ [PATCH v8 5/5] perf arm-spe: Use SPE data source for neoverse cores > + Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> > + Link: https://lore.kernel.org/r/20220504184850.24986-6-alisaidi@amazon.com > + Cc: Nick.Forrington@....com > + Cc: andrew.kilroy@....com > + Cc: james.clark@....com > + Cc: mark.rutland@....com > + Cc: john.garry@...wei.com > + Cc: lihuafei1@...wei.com > + Cc: peterz@...radead.org > + Cc: benh@...nel.crashing.org > + Cc: acme@...nel.org > + Cc: jolsa@...nel.org > + Cc: namhyung@...nel.org > + Cc: will@...nel.org > + Cc: mathieu.poirier@...aro.org > + Cc: kjain@...ux.ibm.com > + Cc: alexander.shishkin@...ux.intel.com > + Cc: linux-arm-kernel@...ts.infradead.org > + Cc: mingo@...hat.com > + Cc: linux-kernel@...r.kernel.org > + Cc: linux-perf-users@...r.kernel.org > --- > ✓ Signed: DKIM/amazon.com > --- > Total patches: 5 > --- > Cover: ./v8_20220504_alisaidi_perf_arm_spe_decode_spe_source_and_use_for_perf_c2c.cover > Link: https://lore.kernel.org/r/20220504184850.24986-1-alisaidi@amazon.com > Base: not specified > git am ./v8_20220504_alisaidi_perf_arm_spe_decode_spe_source_and_use_for_perf_c2c.mbx > ⬢[acme@...lbox perf]$ > > Somehow it is not being collected... :-\ > > Not even when I use: > > > P.s. Ali missed to include German's review tag, see: > > https://lore.kernel.org/lkml/458a2de1-dc93-7e2d-5dc5-fbcd670572b6@arm.com/ > > > 458a2de1-dc93-7e2d-5dc5-fbcd670572b6@....com > > Will try updating b4... Didn't help, so please collect the new tags and resubmit. - Arnaldo
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