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tools: acrn-crashlog: Limit the log size of kmsg

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Dmesg collects too much log when kernel meets log storm.
This patch reads kernel log from "/dev/kmsg" intead of dmesg and limits
the generated log size.

Tracked-On: #1024
Signed-off-by: Liu, Xinwu <xinwu.liu@intel.com>
Reviewed-by: Zhi Jin <zhi.jin@intel.com>
Acked-by: Chen, Gang <gang.c.chen@intel.com>
This commit is contained in:
Liu, Xinwu
2019-01-08 16:22:17 +08:00
committed by acrnsi
parent 156ea70821
commit d5b578fd84
6 changed files with 58 additions and 27 deletions
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5
tools/acrn-crashlog/data/acrnprobe.xml
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@@ -72,8 +72,9 @@
</log>
<log id='2' enable='true'>
<name>kmsg</name>
<type>cmd</type>
<path>dmesg</path>
<type>node</type>
<path>/dev/kmsg</path>
<sizelimit>2</sizelimit>
</log>
<log id='3' enable='true'>
<name>cmdline</name>