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From 47a1db21f6c5d17c94c58c3fe0dcce35c623dbf4 Mon Sep 17 00:00:00 2001
From: Liwei Song <liwei.song@windriver.com>
Date: Tue, 23 Jun 2020 04:47:20 +0000
Subject: [PATCH] sleepgraph: add support for RT kernel ftrace flags
with PREEMPT_RT enabled in kernel, ftrace have a different
flags format:
_-----=> irqs-off
/ _----=> need-resched
| / _----=> need-resched
|| / _---=> hardirq/softirq
||| / _--=> preempt-depth
||||/ delay
TASK-PID CPU# ||||| TIMESTAMP FUNCTION
| | | ||||| | |
add support for this.
Upstream-Status: Submitted [https://github.com/intel/pm-graph/pull/18]
Signed-off-by: Liwei Song <liwei.song@windriver.com>
---
sleepgraph.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sleepgraph.py b/sleepgraph.py
index cfed8e09e0e6..561f165cf9be 100755
--- a/sleepgraph.py
+++ b/sleepgraph.py
@@ -2689,7 +2689,7 @@ class TestProps:
'[ +!#\*@$]*(?P<dur>[0-9\.]*) .*\| (?P<msg>.*)'
ftrace_line_fmt_nop = \
' *(?P<proc>.*)-(?P<pid>[0-9]*) *\[(?P<cpu>[0-9]*)\] *'+\
- '(?P<flags>.{4}) *(?P<time>[0-9\.]*): *'+\
+ '(?P<flags>.{4,7}) *(?P<time>[0-9\.]*): *'+\
'(?P<msg>.*)'
def __init__(self):
self.stamp = ''
--
2.24.1
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