Commit 0b77fe47 authored by Namhyung Kim's avatar Namhyung Kim Committed by Arnaldo Carvalho de Melo
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perf test: Replace data symbol test workload with datasym 



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: default avatarNamhyung Kim <namhyung@kernel.org>
Tested-by: default avatarJames 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 3dfc01fe

tools/perf/tests/shell/test_data_symbol.sh

+1 −28
Original line number Diff line number Diff line
@@ -11,13 +11,7 @@ skip_if_no_mem_event() { 


skip_if_no_mem_event || exit 2



# skip if there's no compiler

if ! [ -x "$(command -v cc)" ]; then

	echo "skip: no compiler, install gcc"

	exit 2

fi



TEST_PROGRAM=$(mktemp /tmp/__perf_test.program.XXXXX)

TEST_PROGRAM="perf test -w datasym"

PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX)



check_result() {
@@ -45,31 +39,10 @@ cleanup_files() 
{

	echo "Cleaning up files..."

	rm -f ${PERF_DATA}

	rm -f ${TEST_PROGRAM}

}



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..."



# perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support