On Tue, 21 Apr 2026 20:36:28 +0530, Shivani Nittor wrote:
> The core-book3s PMU sampling code validates the SIER TYPE field
> when PERF_SAMPLE_DATA_SRC is requested. The SIER TYPE field
> indicates the instruction type and is only valid for
> random sampling (marked events). To handle cases observed where
> SIER TYPE could be zero even for marked events,validation was
> added to drop such samples and increment event->lost_samples.
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/perf: Update check for PERF_SAMPLE_DATA_SRC marked events
https://git.kernel.org/powerpc/c/131717e656b379addb95af2dcb2d90c723bae24b
cheers
