• Ravi Bangoria's avatar
    perf mem: Scan all PMUs instead of just core ones · 5752c20f
    Ravi Bangoria authored
    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: default avatarIan Rogers <irogers@google.com>
    Signed-off-by: default avatarRavi 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.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    5752c20f
mem-events.c 14.9 KB