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author | Ian Rogers <irogers@google.com> | 2023-05-12 23:34:47 -0700 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2023-05-15 09:18:43 -0300 |
commit | c0d68601cbcefaf69018b3e7aff2687316950ace (patch) | |
tree | 504276f4c1e0f40e67f1976817367a6a2d96d92b | |
parent | 190c6854e9ea0290e6af0ec28ee76c4f90d57cb8 (diff) | |
download | linux-stable-c0d68601cbcefaf69018b3e7aff2687316950ace.tar.gz linux-stable-c0d68601cbcefaf69018b3e7aff2687316950ace.tar.bz2 linux-stable-c0d68601cbcefaf69018b3e7aff2687316950ace.zip |
perf test: Add cputype testing to perf stat
Check a bogus PMU fails and that a known PMU succeeds. Limit to PMUs
known cpu, cpu_atom and armv8_pmuv3_0 ones.
Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Kan Liang <kan.liang@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Ahmad Yasin <ahmad.yasin@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Caleb Biggers <caleb.biggers@intel.com>
Cc: Edward Baker <edward.baker@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: Kang Minchul <tegongkang@gmail.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Perry Taylor <perry.taylor@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Samantha Alt <samantha.alt@intel.com>
Cc: Stephane Eranian <eranian@google.com>
Cc: Sumanth Korikkar <sumanthk@linux.ibm.com>
Cc: Suzuki Poulouse <suzuki.poulose@arm.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Weilin Wang <weilin.wang@intel.com>
Cc: Xing Zhengjun <zhengjun.xing@linux.intel.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Link: https://lore.kernel.org/r/20230513063447.464691-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rwxr-xr-x | tools/perf/tests/shell/stat.sh | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index b154fbb15d54..3f1e67795490 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -103,10 +103,54 @@ test_topdown_weak_groups() { echo "Topdown weak groups test [Success]" } +test_cputype() { + # Test --cputype argument. + echo "cputype test" + + # Bogus PMU should fail. + if perf stat --cputype="123" -e instructions true > /dev/null 2>&1 + then + echo "cputype test [Bogus PMU didn't fail]" + err=1 + return + fi + + # Find a known PMU for cputype. + pmu="" + for i in cpu cpu_atom armv8_pmuv3_0 + do + if test -d "/sys/devices/$i" + then + pmu="$i" + break + fi + if perf stat -e "$i/instructions/" true > /dev/null 2>&1 + then + pmu="$i" + break + fi + done + if test "x$pmu" = "x" + then + echo "cputype test [Skipped known PMU not found]" + return + fi + + # Test running with cputype produces output. + if ! perf stat --cputype="$pmu" -e instructions true 2>&1 | grep -E -q "instructions" + then + echo "cputype test [Failed count missed with given filter]" + err=1 + return + fi + echo "cputype test [Success]" +} + test_default_stat test_stat_record_report test_stat_record_script test_stat_repeat_weak_groups test_topdown_groups test_topdown_weak_groups +test_cputype exit $err |