]> git.ipfire.org Git - thirdparty/linux.git/commit
perf jevents: Add local/remote "mem" breakdown metrics for Intel
authorIan Rogers <irogers@google.com>
Tue, 27 Jan 2026 18:44:59 +0000 (10:44 -0800)
committerArnaldo Carvalho de Melo <acme@redhat.com>
Wed, 28 Jan 2026 18:18:46 +0000 (15:18 -0300)
commitcde9c1a5d92520a874b333591ac29aef37b0c0cb
treed3ed523dd7a6f5761423381da22063ca9cb57a68
parent130f4245af99e140cc5dc93bdf8e59ffd9cc9d6f
perf jevents: Add local/remote "mem" breakdown metrics for Intel

Breakdown local and remote memory bandwidth, read and writes.

The implementation uses the HA and CHA PMUs present in server models
broadwellde, broadwellx cascadelakex, emeraldrapids, haswellx, icelakex,
ivytown, sapphirerapids and skylakex.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Thomas Falcon <thomas.falcon@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Benjamin Gray <bgray@linux.ibm.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Edward Baker <edward.baker@intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jing Zhang <renyu.zj@linux.alibaba.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Leo Yan <leo.yan@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sandipan Das <sandipan.das@amd.com>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Xu Yang <xu.yang_2@nxp.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
tools/perf/pmu-events/intel_metrics.py