Re: [PATCH V3 0/4] tools: perf: Add JSON metrics for i.MX8M platforms

[John Garry]

On 06/07/2021 10:48, Joakim Zhang wrote:
> > 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%2Fgithub.c
> > om%2Fhisilicon%2Fkernel-dev%2Fcommits%2Fprivate-topic-perf-5.13-sys-rewri
> > te-3&data=04%7C01%7Cqiangqing.zhang%40nxp.com%7Cbf35517133c3
> > 48ebd58e08d940587875%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0
> > %7C637611570992762798%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjA
> > wMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&s
> > data=RzNaXZubTrhO0MRl2sD45v7Vbs1KgzRWCRymTQIJLZM%3D&reser
> > 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.

Thanks!