Re: [PATCH v2] perf test: Record kcore for the CoreSight callchain test

From: Arnaldo Carvalho de Melo

Date: Mon Sep 28 2026 - 12:31:31 EST


On Mon, Sep 28, 2026 at 11:15:51AM +0100, Leo Yan wrote:
> The CoreSight callchain test traces both userspace and kernel execution
> and checks the callchain across a syscall.

> Add --kcore to perf record to save the running kernel image alongside
> the trace data so perf script can use it to decode the kernel trace.
> If kcore is not available, the test will be skipped.

> Fixes: ca0e19074bd6 ("perf test: Add Arm CoreSight callchain test")
> Reviewed-by: James Clark <james.clark@xxxxxxxxxx>
> Signed-off-by: Leo Yan <leo.yan@xxxxxxx>

Thanks, applied to perf-tools-next, for v7.4.

- Arnaldo