1 files changed, 1 insertions, 0 deletions

diff --git a/trace-usage.c b/trace-usage.c
index 7314657..0e2194e 100644
--- a/trace-usage.c
+++ b/trace-usage.c
@@ -91,6 +91,7 @@ static struct usage_help usage_help[] = {
                 "          -w show wakeup latencies\n"
                 "          -l show latency format (default with latency tracers)\n"
                 "          -O plugin option -O [plugin:]var[=val]\n"
+                "          --check-events return whether all event formats can be parsed\n"
         },
         {
                 "split",