trace: add trace header when dumping

Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
2023-02-07 14:49:29 +08:00 · 2023-02-07 14:49:29 +08:00 · f102f6f405
commit f102f6f405
parent ecadbbb43c
1 changed files with 4 additions and 0 deletions
--- a/system/trace/trace.c
+++ b/system/trace/trace.c
@ -199,6 +199,10 @@ static int trace_cmd_dump(int index, int argc, FAR char **argv,
      changed = notectl_enable(false, notectlfd);
    }

+  /* Dump the trace header */
+
+  fputs("# tracer: nop\n#\n", out);
+
  /* Dump the trace data */

  ret = trace_dump(type, out);