[PATCH 00/14] perf cs-etm: Per-thread mode fixes and snapshot wrap support

Leo Yan leo.yan at arm.com
Mon Sep 14 01:13:43 PDT 2026


Hi Arnaldo,

On Sun, Sep 13, 2026 at 10:20:31PM -0300, Arnaldo Carvalho de Melo wrote:
> On Tue, Aug 11, 2026 at 04:30:03PM +0100, James Clark wrote:
> > Fix a few issues with per-thread mode:
> >   - With TRBE, thread migrations hit a queue without a decoder assert
> >   - On nVHE, everything looks like guest trace instead of host
> >   - Tracing multiple threads didn't really work
> 
> This series applies cleanly to perf-tools-next but has no Reviewed-by
> nor was processed by Sashiko.
> 
> Can somebody from the ARM camp take a look at it, please?

James has sent v2 [1] and I gave some words on it. Adrian also has one
comment for snapshot callbacks refactoring.

Sashiko also sent out review on the series.

Thanks,
Leo

[1] https://lore.kernel.org/linux-perf-users/20260821-james-cs-unformatted-per-thread-fix-v2-0-00c4fd0701b4@linaro.org/



More information about the linux-arm-kernel mailing list