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authorCyrill Gorcunov <gorcunov@openvz.org>2014-07-16 01:54:53 +0400
committerThomas Gleixner <tglx@linutronix.de>2014-07-18 11:49:57 +0200
commit854d06d9fc350130617debdd9e9f49d1c4ba5206 (patch)
tree4cba623acb6f7e90861e682f00dc1ab696c57f1d /Documentation/filesystems/proc.txt
parentaf9c4957cf212ad9cf0bee34c95cb11de5426e85 (diff)
downloadlwn-854d06d9fc350130617debdd9e9f49d1c4ba5206.tar.gz
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docs: Procfs -- Document timerfd output
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Michael Kerrisk <mtk.manpages@gmail.com> Cc: Andrey Vagin <avagin@openvz.org> Cc: Pavel Emelyanov <xemul@parallels.com> Cc: Vladimir Davydov <vdavydov@parallels.com> Link: http://lkml.kernel.org/r/20140715215703.199905126@openvz.org Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'Documentation/filesystems/proc.txt')
-rw-r--r--Documentation/filesystems/proc.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index ddc531a74d04..eb8a10e22f7c 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -1743,6 +1743,25 @@ pair provide additional information particular to the objects they represent.
While the first three lines are mandatory and always printed, the rest is
optional and may be omitted if no marks created yet.
+ Timerfd files
+ ~~~~~~~~~~~~~
+
+ pos: 0
+ flags: 02
+ mnt_id: 9
+ clockid: 0
+ ticks: 0
+ settime flags: 01
+ it_value: (0, 49406829)
+ it_interval: (1, 0)
+
+ where 'clockid' is the clock type and 'ticks' is the number of the timer expirations
+ that have occurred [see timerfd_create(2) for details]. 'settime flags' are
+ flags in octal form been used to setup the timer [see timerfd_settime(2) for
+ details]. 'it_value' is remaining time until the timer exiration.
+ 'it_interval' is the interval for the timer. Note the timer might be set up
+ with TIMER_ABSTIME option which will be shown in 'settime flags', but 'it_value'
+ still exhibits timer's remaining time.
------------------------------------------------------------------------------
Configuring procfs