Re: [RFC PATCH] perf/amd/ibs: Report physical address for IBS fetch samples
Ravi Bangoria <[email protected]>
| Newsgroups | org.kernel.vger.linux-perf-users,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
On 17-Aug-26 1:03 PM, Huang Shijie wrote: > The IBS Fetch sampling does not report the physical address of the > fetched instruction even when PERF_SAMPLE_PHYS_ADDR is requested, > while IBS Op sampling does. > > This patch reports physical address for IBS fetch samples which can be > used for profiling the running program. PERF_SAMPLE_PHYS_ADDR is meant to capture the _data_ physical address, which IBS Fetch doesn't provide. So, repurposing semantics of PERF_SAMPLE_PHYS_ADDR for IBS Fetch seems reasonable. Reviewed-by: Ravi Bangoria <[email protected]> Thanks, Ravi