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authorRavi Bangoria <ravi.bangoria@amd.com>2023-06-15 08:17:00 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-06-16 16:51:42 +0300
commit5752c20f3787c9bc9ff9411a70b3d41add85518c (patch)
tree9d9591464d34025dd904187ef181ca31c67301d2 /tools/perf/util/scripting-engines
parentf0dc208267bb744e3b2008bb11f68d02663330ef (diff)
downloadlinux-5752c20f3787c9bc9ff9411a70b3d41add85518c.tar.xz
perf mem: Scan all PMUs instead of just core ones
Scanning only core PMUs is not sufficient on platforms like AMD since perf mem on AMD uses IBS OP PMU, which is independent of core PMU. Scan all PMUs instead of just core PMUs. There should be negligible performance overhead because of scanning all PMUs, so we should be okay. Reviewed-by: Ian Rogers <irogers@google.com> Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Ananth Narayan <ananth.narayan@amd.com> Cc: James Clark <james.clark@arm.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Leo Yan <leo.yan@linaro.org> Cc: Madhavan Srinivasan <maddy@linux.ibm.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sandipan Das <sandipan.das@amd.com> Cc: Santosh Shukla <santosh.shukla@amd.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Link: https://lore.kernel.org/r/20230615051700.1833-4-ravi.bangoria@amd.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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