Messages in this thread Patch in this message | | | From | Namhyung Kim <> | Subject | [PATCH 08/12] perf test: Replace arm spe fork test workload with sqrtloop | Date | Wed, 16 Nov 2022 15:38:50 -0800 |
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So that it can get rid of requirement of a compiler. I've also removed killall as it'll kill perf process now and run the test workload for 10 sec instead.
Tested-by: Leo Yan <leo.yan@linaro.org> Tested-by: James Clark <james.clark@arm.com> Signed-off-by: Namhyung Kim <namhyung@kernel.org> --- tools/perf/tests/shell/test_arm_spe_fork.sh | 44 +-------------------- 1 file changed, 1 insertion(+), 43 deletions(-)
diff --git a/tools/perf/tests/shell/test_arm_spe_fork.sh b/tools/perf/tests/shell/test_arm_spe_fork.sh index c920d3583d30..da810e1b2b9e 100755 --- a/tools/perf/tests/shell/test_arm_spe_fork.sh +++ b/tools/perf/tests/shell/test_arm_spe_fork.sh @@ -11,14 +11,7 @@ skip_if_no_arm_spe_event() { skip_if_no_arm_spe_event || exit 2 -# skip if there's no compiler -if ! [ -x "$(command -v cc)" ]; then - echo "failed: no compiler, install gcc" - exit 2 -fi - -TEST_PROGRAM_SOURCE=$(mktemp /tmp/__perf_test.program.XXXXX.c) -TEST_PROGRAM=$(mktemp /tmp/__perf_test.program.XXXXX) +TEST_PROGRAM="perf test -w sqrtloop 10" PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) PERF_RECORD_LOG=$(mktemp /tmp/__perf_test.log.XXXXX) @@ -27,43 +20,10 @@ cleanup_files() echo "Cleaning up files..." rm -f ${PERF_RECORD_LOG} rm -f ${PERF_DATA} - rm -f ${TEST_PROGRAM_SOURCE} - rm -f ${TEST_PROGRAM} } trap cleanup_files exit term int -# compile test program -cat << EOF > $TEST_PROGRAM_SOURCE -#include <math.h> -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <sys/wait.h> - -int workload() { - while (1) - sqrt(rand()); - return 0; -} - -int main() { - switch (fork()) { - case 0: - return workload(); - case -1: - return 1; - default: - wait(NULL); - } - return 0; -} -EOF - -echo "Compiling test program..." -CFLAGS="-lm" -cc $TEST_PROGRAM_SOURCE $CFLAGS -o $TEST_PROGRAM || exit 1 - echo "Recording workload..." perf record -o ${PERF_DATA} -e arm_spe/period=65536/ -vvv -- $TEST_PROGRAM > ${PERF_RECORD_LOG} 2>&1 & PERFPID=$! @@ -78,8 +38,6 @@ echo Log lines after 1 second = $log1 kill $PERFPID wait $PERFPID -# test program may leave an orphan process running the workload -killall $(basename $TEST_PROGRAM) if [ "$log0" = "$log1" ]; then -- 2.38.1.584.g0f3c55d4c2-goog
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