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