trace-cmd/backport-trace-cmd-record-Set-sleep_time-to-zero-at-end-of-re.patch
wangmeiyang 12665064b5 trace-cmd record: Set sleep_time to zero at end of recording
Signed-off-by: meiyang666 <wangmeiyang@xfusion.com>
2023-12-26 14:18:00 +08:00

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Diff

From be207b060775c9841d7e3c1c240e74de63df3040 Mon Sep 17 00:00:00 2001
From: wangmeiyang <wangmeiyang@xfusion.com>
Date: Tue, 26 Dec 2023 11:15:29 +0800
Subject: [PATCH 2/2] trace-cmd record: Set sleep_time to zero at end of
recording
When the recording (of trace-cmd record) or streaming (of trace-cmd stream)
is finished, set sleep_time to zero. This will cause various calls to read
the buffer to not block, as the sleep_time is used in some instances to
determine how long to wait if there's no data.
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
---
tracecmd/trace-record.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tracecmd/trace-record.c b/tracecmd/trace-record.c
index 826d1e7..9a7cba2 100644
--- a/tracecmd/trace-record.c
+++ b/tracecmd/trace-record.c
@@ -3066,6 +3066,8 @@ static void expand_event_list(void)
static void finish(int sig)
{
+ sleep_time = 0;
+
/* all done */
if (recorder)
tracecmd_stop_recording(recorder);
--
2.37.0.windows.1