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-rw-r--r--tools/tracing/rtla/src/osnoise_top.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/tracing/rtla/src/osnoise_top.c b/tools/tracing/rtla/src/osnoise_top.c
index 85abba568faf..f7c959be8677 100644
--- a/tools/tracing/rtla/src/osnoise_top.c
+++ b/tools/tracing/rtla/src/osnoise_top.c
@@ -348,8 +348,14 @@ struct osnoise_top_params *osnoise_top_parse_args(int argc, char **argv)
if (!params)
exit(1);
- if (strcmp(argv[0], "hwnoise") == 0)
+ if (strcmp(argv[0], "hwnoise") == 0) {
params->mode = MODE_HWNOISE;
+ /*
+ * Reduce CPU usage for 75% to avoid killing the system.
+ */
+ params->runtime = 750000;
+ params->period = 1000000;
+ }
while (1) {
static struct option long_options[] = {