From 2fd38eb57bc63e0e1208c9bf6d4a4ae864b6de04 Mon Sep 17 00:00:00 2001
From: "chao.an" <anchao@xiaomi.com>
Date: Wed, 30 Mar 2022 22:10:03 +0800
Subject: [PATCH] system/trace: force flush the output stream

Signed-off-by: chao.an <anchao@xiaomi.com>
---
 system/trace/trace_dump.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/system/trace/trace_dump.c b/system/trace/trace_dump.c
index 9ffd788cf..a75af1965 100644
--- a/system/trace/trace_dump.c
+++ b/system/trace/trace_dump.c
@@ -653,6 +653,8 @@ static int trace_dump_one(FAR FILE *out,
         break;
     }
 
+  fflush(out);
+
   /* Return the length of the processed note */
 
   return note->nc_length;