diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2022-11-16 15:38:48 -0800 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2022-11-23 10:25:31 -0300 |
| commit | 7cf0b4a73a4a4f36bb4ef53d066b811b7621c635 (patch) | |
| tree | 769684f11daeec3e2c0dc31d688339a0ee0a3cbf /tools/perf/tests | |
| parent | 41522f7442905814c654dbe2ca7b8d3605c7e0cc (diff) | |
| download | linux-7cf0b4a73a4a4f36bb4ef53d066b811b7621c635.tar.gz | |
perf test: Replace arm callgraph fp test workload with leafloop
So that it can get rid of requirement of a compiler.
Reviewed-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: James Clark <james.clark@arm.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Athira Jajeev <atrajeev@linux.vnet.ibm.com>
Cc: German Gomez <german.gomez@arm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-7-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests')
| -rwxr-xr-x | tools/perf/tests/shell/test_arm_callgraph_fp.sh | 34 |
1 files changed, 3 insertions, 31 deletions
diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh index ec108d45d3c6..e61d8deaa0c4 100755 --- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh +++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh @@ -4,44 +4,16 @@ lscpu | grep -q "aarch64" || exit 2 -if ! [ -x "$(command -v cc)" ]; then - echo "failed: no compiler, install gcc" - exit 2 -fi - PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) -TEST_PROGRAM_SOURCE=$(mktemp /tmp/test_program.XXXXX.c) -TEST_PROGRAM=$(mktemp /tmp/test_program.XXXXX) +TEST_PROGRAM="perf test -w leafloop" cleanup_files() { rm -f $PERF_DATA - rm -f $TEST_PROGRAM_SOURCE - rm -f $TEST_PROGRAM } trap cleanup_files exit term int -cat << EOF > $TEST_PROGRAM_SOURCE -int a = 0; -void leaf(void) { - for (;;) - a += a; -} -void parent(void) { - leaf(); -} -int main(void) { - parent(); - return 0; -} -EOF - -echo " + Compiling test program ($TEST_PROGRAM)..." - -CFLAGS="-g -O0 -fno-inline -fno-omit-frame-pointer" -cc $CFLAGS $TEST_PROGRAM_SOURCE -o $TEST_PROGRAM || exit 1 - # Add a 1 second delay to skip samples that are not in the leaf() function perf record -o $PERF_DATA --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null & PID=$! @@ -58,11 +30,11 @@ wait $PID # program # 728 leaf # 753 parent -# 76c main +# 76c leafloop # ... perf script -i $PERF_DATA -F comm,ip,sym | head -n4 perf script -i $PERF_DATA -F comm,ip,sym | head -n4 | \ awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" || sym[1] != "parent" || - sym[2] != "main") exit 1 }' + sym[2] != "leafloop") exit 1 }' |