[PATCH v2 10/14] perf cs-etm: Don't print missing buffers in snapshot mode

Leo Yan leo.yan at arm.com
Thu Aug 27 10:15:30 PDT 2026


On Fri, Aug 21, 2026 at 10:49:08AM +0100, James Clark wrote:
> The driver produces lots of AUX records for trace data that was never
> captured in snapshot mode. Downgrade this to a pr_debug3 message as it's
> only an error in normal mode.

This reminds why we should use circular mode instead of snapshot mode,
so that redundant AUX records can be avoided directly in the driver.

> Signed-off-by: James Clark <james.clark at linaro.org>

For this patch itself:

Reviewed-by: Leo Yan <leo.yan at arm.com>



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