diff options
| author |   Liwei Song <liwei.song@windriver.com> | 2020-06-23 14:21:27 +0800 |
|---|---|---|
| committer |   Khem Raj <raj.khem@gmail.com> | 2020-06-22 23:23:57 -0700 |
| commit | 2719a80949cc682f7bdf2e9f58da76ac1daf1643 (patch) | |
| tree | 247f5c8454982fe5501f1a88d8f7b97a6d8bedb5 /meta-oe/recipes-kernel | |
| parent | 428d4e68858f282b80214e1f38da489fd42aaa43 (diff) | |
| download | meta-openembedded-contrib-2719a80949cc682f7bdf2e9f58da76ac1daf1643.tar.gz | |
pm-graph: add flags support for RT kernel
with PREEMPT_RT enabled in kernel, ftrace have a different
falgs compare with standard kernel. Add supported for
RT kernel ftrace flags format.
Signed-off-by: Liwei Song <liwei.song@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta-oe/recipes-kernel')
| -rw-r--r-- | meta-oe/recipes-kernel/pm-graph/pm-graph/0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch | 42 | ||||
| -rw-r--r-- | meta-oe/recipes-kernel/pm-graph/pm-graph_5.5.bb | 1 |
2 files changed, 43 insertions, 0 deletions
diff --git a/meta-oe/recipes-kernel/pm-graph/pm-graph/0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch b/meta-oe/recipes-kernel/pm-graph/pm-graph/0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch new file mode 100644 index 0000000000..f7f8bc0687 --- /dev/null +++ b/meta-oe/recipes-kernel/pm-graph/pm-graph/0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch @@ -0,0 +1,42 @@ +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 + diff --git a/meta-oe/recipes-kernel/pm-graph/pm-graph_5.5.bb b/meta-oe/recipes-kernel/pm-graph/pm-graph_5.5.bb index a1378866ad..4526eeed3f 100644 --- a/meta-oe/recipes-kernel/pm-graph/pm-graph_5.5.bb +++ b/meta-oe/recipes-kernel/pm-graph/pm-graph_5.5.bb @@ -9,6 +9,7 @@ SRCREV = "cf59527dc24fdd2f314ae4dcaeb3d68a117988f6" SRC_URI = "git://github.com/intel/pm-graph.git \ file://0001-Makefile-fix-multilib-build-failure.patch \ file://0001-sleepgraph.py-use-python3.patch \ + file://0001-sleepgraph-add-support-for-RT-kernel-ftrace-flags.patch \ " S = "${WORKDIR}/git" |