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39 lines
1.4 KiB
39 lines
1.4 KiB
6 years ago
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From 01e66d43d84a9df9aa5de78a203b4c32e0fa98ec Mon Sep 17 00:00:00 2001
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From: Xunlei Pang <xlpang@redhat.com>
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Date: Fri, 25 Nov 2016 14:55:43 +0800
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Subject: [PATCH] dracut.cmdline.7.asc: update document for rd.memdebug=4
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"rd.memdebug=4" is for kernel module memory consumption debugging.
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Signed-off-by: Xunlei Pang <xlpang@redhat.com>
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---
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dracut.cmdline.7.asc | 8 ++++++--
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1 file changed, 6 insertions(+), 2 deletions(-)
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diff --git a/dracut.cmdline.7.asc b/dracut.cmdline.7.asc
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index b479fa89..16266381 100644
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--- a/dracut.cmdline.7.asc
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+++ b/dracut.cmdline.7.asc
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@@ -161,8 +161,8 @@ It should be attached to any report about dracut problems.
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_/run/initramfs/init.log_.
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If "quiet" is set, it also logs to the console.
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-**rd.memdebug=[0-3]**::
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- Print memory usage info at various points, set the verbose level from 0 to 3.
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+**rd.memdebug=[0-4]**::
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+ Print memory usage info at various points, set the verbose level from 0 to 4.
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+
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Higher level means more debugging output:
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+
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@@ -171,6 +171,10 @@ It should be attached to any report about dracut problems.
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1 - partial /proc/meminfo
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2 - /proc/meminfo
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3 - /proc/meminfo + /proc/slabinfo
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+ 4 - /proc/meminfo + /proc/slabinfo + tracekomem
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+ NOTE: tracekomem is a shell script utilizing kernel trace to track
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+ the rough total memory consumption of kernel modules during
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+ loading. It may override other trace configurations.
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----
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**rd.break**::
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