linux-kernel - Re: [PATCH v1 4/6] perf auxtrace: Iterate all AUX events when finish reading

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Message-ID: <Zquj9TJM8QQKkpYL@x1>
Date: Thu, 1 Aug 2024 12:04:21 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: Ian Rogers <irogers@...gle.com>
Cc: Leo Yan <leo.yan@....com>, Adrian Hunter <adrian.hunter@...el.com>,
	Namhyung Kim <namhyung@...nel.org>,
	James Clark <james.clark@...aro.org>,
	Suzuki K Poulose <suzuki.poulose@....com>,
	Mike Leach <mike.leach@...aro.org>,
	John Garry <john.g.garry@...cle.com>, Will Deacon <will@...nel.org>,
	Jiri Olsa <jolsa@...nel.org>, Mark Rutland <mark.rutland@....com>,
	coresight@...ts.linaro.org, linux-arm-kernel@...ts.infradead.org,
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 4/6] perf auxtrace: Iterate all AUX events when finish
 reading

On Wed, Jul 31, 2024 at 06:38:59PM -0700, Ian Rogers wrote:
> Just a heads up. Arnaldo added this to tmp.perf-tools-next and it
> caused the intel-pt tests to start failing:

My plan right now is just to remove that cset that Ian bisected since it
is not on perf-tools-next, just on the scratch branch
tmp.perf-tools-next.

Trying to do that now as it will help us with bisection in the future.

- Arnaldo

> ```
> $ perf test 118 -v
> 118: Miscellaneous Intel PT testing:
> --- start ---
> test child forked, pid 148999
> --- Test system-wide sideband ---
> Checking for CPU-wide recording on CPU 0
> OK
> Checking for CPU-wide recording on CPU 1
> OK
> Linux
> Failed to enable event (idx=0): -22
> Failed to record MMAP events on CPU 1 when tracing CPU 0
> ...
> ```
> It's likely Adrian's comments already address this but you may also
> want to double check this test is passing with v2.
> 
> Thanks,
> Ian