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: 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:
parent
3dfc01fe9d
commit
0b77fe4746
@ -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
|
||||
|
Loading…
x
Reference in New Issue
Block a user