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authorNamhyung Kim <namhyung@kernel.org>2025-03-03 18:28:36 -0800
committerNamhyung Kim <namhyung@kernel.org>2025-03-05 09:17:01 -0800
commitf04c7ef35256beea57a598a7ea06dd2242ae9ae6 (patch)
tree49430285db6484d35f150cf647b583d9f3600c41
parent15bcfb96d0ddbc1b131274ad0ec6b1fe9cc8f79a (diff)
perf test: Add timeout to datasym workload
Unlike others it has an infinite loop that make it annoying to call. Make it finish after 1 second and handle command-line argument to change the setting. Reviewed-by: Leo Yan <leo.yan@arm.com> Tested-by: Thomas Richter <tmricht@linux.ibm.com> Tested-by: Thomas Falcon <thomas.falcon@intel.com> Cc: Thomas Richter <tmricht@linux.ibm.com> Cc: Leo Yan <leo.yan@arm.com> Link: https://lore.kernel.org/r/20250304022837.1877845-6-namhyung@kernel.org Signed-off-by: Namhyung Kim <namhyung@kernel.org>
-rw-r--r--tools/perf/tests/workloads/datasym.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/tools/perf/tests/workloads/datasym.c b/tools/perf/tests/workloads/datasym.c
index 8e08fc75a973..8ddb2aa6a049 100644
--- a/tools/perf/tests/workloads/datasym.c
+++ b/tools/perf/tests/workloads/datasym.c
@@ -1,3 +1,6 @@
+#include <stdlib.h>
+#include <signal.h>
+#include <unistd.h>
#include <linux/compiler.h>
#include "../tests.h"
@@ -12,9 +15,25 @@ static buf buf1 = {
.reserved[0] = 1,
};
-static int datasym(int argc __maybe_unused, const char **argv __maybe_unused)
+static volatile sig_atomic_t done;
+
+static void sighandler(int sig __maybe_unused)
+{
+ done = 1;
+}
+
+static int datasym(int argc, const char **argv)
{
- for (;;) {
+ int sec = 1;
+
+ if (argc > 0)
+ sec = atoi(argv[0]);
+
+ signal(SIGINT, sighandler);
+ signal(SIGALRM, sighandler);
+ alarm(sec);
+
+ while (!done) {
buf1.data1++;
if (buf1.data1 == 123) {
/*