linux-kernel - [PATCH] proc: Documents guest column in /proc/stat

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Date:	Wed, 09 Sep 2009 12:53:26 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	linux kernel <linux-kernel@...r.kernel.org>
Subject: [PATCH] proc: Documents guest column in /proc/stat

We added a new column in cpuX lines of /proc/stat, to show
the amount of time spent by a cpu servicing a guest, without
updating Documentation/filesystems/proc.txt

Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
---

diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index ffead13..1c96cb6 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1032,9 +1032,9 @@ Various pieces   of  information about  kernel activity  are  available in the
 since the system first booted.  For a quick look, simply cat the file:
 
   > cat /proc/stat
-  cpu  2255 34 2290 22625563 6290 127 456 0
-  cpu0 1132 34 1441 11311718 3675 127 438 0
-  cpu1 1123 0 849 11313845 2614 0 18 0
+  cpu  2255 34 2290 22625563 6290 127 456 0 0
+  cpu0 1132 34 1441 11311718 3675 127 438 0 0
+  cpu1 1123 0 849 11313845 2614 0 18 0 0
   intr 114930548 113199788 3 0 5 263 0 4 [... lots more numbers ...]
   ctxt 1990473
   btime 1062191376
@@ -1056,6 +1056,7 @@ second).  The meanings of the columns are as follows, from left to right:
 - irq: servicing interrupts
 - softirq: servicing softirqs
 - steal: involuntary wait
+- guest: running a guest
 
 The "intr" line gives counts of interrupts  serviced since boot time, for each
 of the  possible system interrupts.   The first  column  is the  total of  all

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