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perf test: Replace data symbol test workload with datasym

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So that it can get rid of requirement of a compiler.

  $ sudo ./perf test -v 109
  109: Test data symbol                                                :
  --- start ---
  test child forked, pid 844526
  Recording workload...
  [ perf record: Woken up 2 times to write data ]
  [ perf record: Captured and wrote 0.354 MB /tmp/__perf_test.perf.data.GFeZO (4847 samples) ]
  Cleaning up files...
  test child finished with 0
  ---- end ----
  Test data symbol: Ok

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: Leo Yan <leo.yan@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Link: https://lore.kernel.org/r/20221116233854.1596378-13-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2022-11-16 15:38:54 -08:00
committed by Arnaldo Carvalho de Melo
parent 3dfc01fe9d
commit 0b77fe4746
1 changed files with 1 additions and 28 deletions
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29
tools/perf/tests/shell/test_data_symbol.sh
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@ -11,13 +11,7 @@ skip_if_no_mem_event() {
skip_if_no_mem_event || exit 2 skip_if_no_mem_event || exit 2
# skip if there's no compiler TEST_PROGRAM="perf test -w datasym"
if ! [ -x "$(command -v cc)" ]; then
echo "skip: no compiler, install gcc"
exit 2
fi
TEST_PROGRAM=$(mktemp /tmp/__perf_test.program.XXXXX)
PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)
check_result() { check_result() {
@ -45,31 +39,10 @@ cleanup_files()
{ {
echo "Cleaning up files..." echo "Cleaning up files..."
rm -f ${PERF_DATA} rm -f ${PERF_DATA}
rm -f ${TEST_PROGRAM}
} }
trap cleanup_files exit term int trap cleanup_files exit term int
# compile test program
echo "Compiling test program..."
cat << EOF | cc -o ${TEST_PROGRAM} -x c -
typedef struct _buf {
char data1;
char reserved[55];
char data2;
} buf __attribute__((aligned(64)));
static buf buf1;
int main(void) {
for (;;) {
buf1.data1++;
buf1.data2 += buf1.data1;
}
return 0;
}
EOF
echo "Recording workload..." echo "Recording workload..."
# perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support # perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support