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authorIan Rogers <irogers@google.com>2026-04-14 10:58:55 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2026-05-14 20:57:10 -0300
commit41a543c86d110073275e5294852d692e5faf6b3b (patch)
tree9f079e621daceb983a8a662acbc31beda211ee6f /tools/perf/scripts/python/stackcollapse.py
parent165daffc7c33c94b0b7ef7f5719531f1f8bc0a3a (diff)
perf pmu-events AMD: Switch l2_itlb_misses to bp_l1_tlb_miss_l2_tlb_miss.all
l2_itlb_misses is a valid legacy cache event name, hence allowing it in all_events in metric.py. l2_itlb_misses was also a json event for AMD zen1, zen2 and zen3. For zen4, zen5 and zen6 the checking that metric events are within the json was skipping l2_itlb_misses as it is a valid legacy event, however, the PMU driver lacks the event mapping causing it to be a bad event when used in the metric. Add bp_l1_tlb_miss_l2_tlb_miss.all as the l2 itlb miss event (bp = branch predictor, the AMD way to say itlb), so that is used in preference to l2_itlb_misses when the event exists. Remove l2_itlb_misses from metric.py as the legacy event isn't used by any metrics and having it is error prone for newer AMD zen models. Fixes: e596f329668ec2b5 ("perf jevents: Add itlb metric group for AMD") Reviewed-by: Sandipan Das <sandipan.das@amd.com> Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@linaro.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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