Commit dcf7a177 authored by Ian Rogers's avatar Ian Rogers Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Add test of libpfm4 events 



  $ ./perf test -v 102
  102: perf all libpfm4 events test                                    :
  --- start ---
  test child forked, pid 3030994
  Testing ix86arch::UNHALTED_CORE_CYCLES
  Testing ix86arch::INSTRUCTION_RETIRED
  Testing ix86arch::UNHALTED_REFERENCE_CYCLES
  Testing ix86arch::LLC_REFERENCES
  Testing ix86arch::LLC_MISSES
  Testing ix86arch::BRANCH_INSTRUCTIONS_RETIRED
  Testing ix86arch::MISPREDICTED_BRANCH_RETIRED
  Testing perf_raw::r0000
  Testing icl::UNHALTED_CORE_CYCLES
  Testing icl::UNHALTED_REFERENCE_CYCLES
  ...
  test child finished with 0
  ---- end ----
  perf all libpfm4 events test: Ok

Signed-off-by: default avatarIan Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: https://lore.kernel.org/r/20230608232400.3056312-4-namhyung@kernel.org


Signed-off-by: default avatarNamhyung Kim <namhyung@kernel.org>
Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent cc3d139b

tools/perf/tests/shell/stat_all_pfm.sh

0 → 100755
+51 −0
Original line number Diff line number Diff line 
#!/bin/sh

# perf all libpfm4 events test

# SPDX-License-Identifier: GPL-2.0



if perf version --build-options | grep HAVE_LIBPFM | grep -q OFF

then

  echo "Skipping, no libpfm4 support"

  exit 2

fi



err=0

for p in $(perf list --raw-dump pfm)

do

  if echo "$p" | grep -q unc_

  then

    echo "Skipping uncore event '$p' that may require additional options."

    continue

  fi

  echo "Testing $p"

  result=$(perf stat --pfm-events "$p" true 2>&1)

  x=$?

  if echo "$result" | grep -q "failed to parse event $p : invalid or missing unit mask"

  then

    continue

  fi

  if test "$x" -ne "0"

  then

    echo "Unexpected exit code '$x'"

    err=1

  fi

  if ! echo "$result" | grep -q "$p" && ! echo "$result" | grep -q "<not supported>"

  then

    # We failed to see the event and it is supported. Possibly the workload was

    # too small so retry with something longer.

    result=$(perf stat --pfm-events "$p" perf bench internals synthesize 2>&1)

    x=$?

    if test "$x" -ne "0"

    then

      echo "Unexpected exit code '$x'"

      err=1

    fi

    if ! echo "$result" | grep -q "$p"

    then

      echo "Event '$p' not printed in:"

      echo "$result"

      err=1

    fi

  fi

done



exit "$err"