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authorNamhyung Kim <namhyung@kernel.org>2025-03-03 18:28:36 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-04-10 14:44:30 +0200
commit71f2f4b5c227b196e1f57d0492273ff0acb041e4 (patch)
tree3c7ddccfa924a660210383f41a7e2e9207d9c9fc /tools
parentb9982065b82b4177ba3a7a72ce18c84921f7494d (diff)
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perf test: Add timeout to datasym workload
[ Upstream commit f04c7ef35256beea57a598a7ea06dd2242ae9ae6 ] 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> Stable-dep-of: 36e7748d33bf ("perf tests: Fix data symbol test with LTO builds") Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools')
-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) {
/*