-----Original Message-----
From: John Garry <redacted>
Sent: 2021年7月6日 18:06
To: Joakim Zhang <redacted>; will@kernel.org;
mathieu.poirier@linaro.org; leo.yan@linaro.org; peterz@infradead.org;
mingo@redhat.com; acme@kernel.org; mark.rutland@arm.com;
alexander.shishkin@linux.intel.com; jolsa@redhat.com;
namhyung@kernel.org; shawnguo@kernel.org; s.hauer@pengutronix.de
Cc: kernel@pengutronix.de; festevam@gmail.com; dl-linux-imx
[off-list ref]; kjain@linux.ibm.com;
linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 0/4] tools: perf: Add JSON metrics for i.MX8M
platforms

On 06/07/2021 10:48, Joakim Zhang wrote:

quoted

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Hi Joakim,

I have done some rework to the metricgroup sys event support.

If you have a chance, it would be appreciated if you could test this
following series for these imx8 metrics+events:

https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit
hub.c
om%2Fhisilicon%2Fkernel-dev%2Fcommits%2Fprivate-topic-perf-5.13-sys-r
ewri

te-3&data=04%7C01%7Cqiangqing.zhang%40nxp.com%7Cbf35517133c3

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48ebd58e08d940587875%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0

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%7C637611570992762798%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4w

LjA

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wMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&s

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data=RzNaXZubTrhO0MRl2sD45v7Vbs1KgzRWCRymTQIJLZM%3D&reser

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ved=0

Hi John,

I only need build perf tool with above code, no need to update the kernel,

right?

Right, just userspace perf tool needs rebuild. Same kernel which you used
before should be ok.

Hi John,

Test env:
perf version 5.13.rc7.gf9a8701c7091
5.13.0-rc1-next-20210514

I tested on i.MX8MQ, i.MX8MM and i.MX8MP, there is no function breakage, but I have not verified metric includes "duration_time" event.

A nitpick, there is no comma at the end of "Unit".

Best Regards,
Joakim Zhang

Thanks!

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