linux-kernel - Re: [PATCH v2 0/5] perf test trace: Reduce test failures and make error messages verbose

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Message-ID: <CAH0uvoju7bFsJPeqaDBzSFzM3GZkaTWgfcgEtcBr9dpn=T-e2g@mail.gmail.com>
Date: Sun, 18 May 2025 15:26:50 -0700
From: Howard Chu <howardchu95@...il.com>
To: Ian Rogers <irogers@...gle.com>
Cc: acme@...nel.org, mingo@...hat.com, namhyung@...nel.org, 
	mark.rutland@....com, alexander.shishkin@...ux.intel.com, jolsa@...nel.org, 
	adrian.hunter@...el.com, peterz@...radead.org, kan.liang@...ux.intel.com, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 0/5] perf test trace: Reduce test failures and make
 error messages verbose

Hello Ian,

On Sun, May 18, 2025 at 3:18 PM Ian Rogers <irogers@...gle.com> wrote:
>
> On Sun, May 18, 2025 at 12:10 PM Howard Chu <howardchu95@...il.com> wrote:
> >
> > Currently, BTF tests fail constantly, this series fixes two major reasons
> > why they fail, and makes the error messages acquired when using '-vv'
> > more verbose, so when they fail, one can easily diagnose the problem.
> >
> > Before:
> >     $ sudo /tmp/perf test enum -vv
> >     107: perf trace enum augmentation tests:
> >     107: perf trace enum augmentation tests                              : Running
> >     --- start ---

<SNIP>

> > Changes in v2:
> > - Add an extra newline after error messages
> > - Rename the title of patch 3 to 'Stop tracing hrtimer_setup...'
> > - Take the debug diff for explanation out of patch 5 to make it apply
> >   normally
> > - Add base-commit in this cover letter
>
> Thanks Howard! I did some testing but see failures that may be
> pre-existing issues:

I don't know the command you used but if this is the result of 'perf
test trace', it is the parallelism issue. I will fix it once I'm back
from Costco :).

Thanks,
Howard