• Ian Rogers's avatar
    perf parse-events: Warn when events are regrouped · a4c7d7c5
    Ian Rogers authored
    Use if an event is reordered or the number of groups increases to
    signal that regrouping has happened and warn about it. Disable the
    warning in the case wild card PMU names are used and for metrics.
    Signed-off-by: default avatarIan Rogers <irogers@google.com>
    Cc: Adrian Hunter <adrian.hunter@intel.com>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Florian Fischer <florian.fischer@muhq.space>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: James Clark <james.clark@arm.com>
    Cc: Jiri Olsa <jolsa@kernel.org>
    Cc: John Garry <john.g.garry@oracle.com>
    Cc: Kajol Jain <kjain@linux.ibm.com>
    Cc: Kan Liang <kan.liang@linux.intel.com>
    Cc: Kim Phillips <kim.phillips@amd.com>
    Cc: Leo Yan <leo.yan@linaro.org>
    Cc: Mark Rutland <mark.rutland@arm.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Ravi Bangoria <ravi.bangoria@amd.com>
    Cc: Sean Christopherson <seanjc@google.com>
    Cc: Steinar H. Gunderson <sesse@google.com>
    Cc: Stephane Eranian <eranian@google.com>
    Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
    Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
    Link: https://lore.kernel.org/r/20230312021543.3060328-2-irogers@google.comSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
    a4c7d7c5
pmu-events.c 26.1 KB