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