Messages in this thread | | | Date | Fri, 14 Oct 2022 10:33:47 -0300 | From | Arnaldo Carvalho de Melo <> | Subject | Re: [PATCH] perf test: Fix test_arm_coresight.sh failures on Juno |
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Em Mon, Oct 10, 2022 at 10:21:22AM +0100, James Clark escreveu: > On 10/10/2022 08:41, Leo Yan wrote: > > On Thu, Oct 06, 2022 at 04:11:05PM +0100, James Clark wrote: > >> Error: > >> The perf.data data has no samples! > >> 0
> > Thanks for confirmation. It's a bit weird that your Juno board doesn't > > produce all zeros for timestamp packets.
> >> I think the issue is that ls is quite quick to run, so not much trace is > >> generated for Perf. And it just depends on the scheduling which is > >> slightly different on Juno. I don't think it's a bug. On N1SDP there are > >> only 134 samples generated with i1000i, so it could probably end up with > >> a random run generating 0 there too.
> > Agreed, changing to smaller interval makes sense for me.
> > Reviewed-by: Leo Yan <leo.yan@linaro.org>
> Thanks for the review Leo
Thanks, applied.
- Arnaldo
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