1 files changed, 4 insertions, 0 deletions
diff --git a/test/pkuuid.c b/test/pkuuid.c
index d4f47ed..932d6c3 100644
--- a/test/pkuuid.c
+++ b/test/pkuuid.c
@@ -95,6 +95,7 @@ main(int argc, char *argv[])
 		if (equals != false) exit(1);
 	}
 
+	FILE *f = fopen("perf.json", "w");
 	pk_funcinstr_init();
 	{
 		const int count = 4;
@@ -114,7 +115,10 @@ main(int argc, char *argv[])
 		}
 		fprintf(stdout, "\n");
 	}
+	pk_funcinstr_write(f);
 	pk_funcinstr_teardown();
+	fflush(f);
+	fclose(f);
 
 	// test parse
 	pk_funcinstr_init();