From: Sami Kerola <kerolasa@iki.fi>
To: util-linux@vger.kernel.org
Cc: kerolasa@iki.fi
Subject: [PATCH 16/19] docs: add --time-format option and ISO-8601 format to manual
Date: Sun, 2 Jun 2013 18:51:22 +0100 [thread overview]
Message-ID: <1370195485-27907-17-git-send-email-kerolasa@iki.fi> (raw)
In-Reply-To: <1370195485-27907-1-git-send-email-kerolasa@iki.fi>
Signed-off-by: Sami Kerola <kerolasa@iki.fi>
---
sys-utils/dmesg.1 | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/sys-utils/dmesg.1 b/sys-utils/dmesg.1
index c060688..ce186d8 100644
--- a/sys-utils/dmesg.1
+++ b/sys-utils/dmesg.1
@@ -153,6 +153,28 @@ Wait for new messages. This feature is supported on systems with readable
/dev/kmsg only (since kernel 3.5.0).
.IP "\fB\-x\fR, \fB\-\-decode\fR"
Decode facility and level (priority) number to human readable prefixes.
+.IP "\fB\-\-time\-format\fR \fIformat\fR"
+Print time stam using format
+.IR ctime ,
+.IR delta ,
+.I reltime
+or
+.IR iso .
+The three first time formats are aliases of time format specific options.
+The
+.I iso
+is a
+.B dmesg
+implementation of ISO-8601 timestamp format. Purpose of this format is
+to make comparing of timestamps in between two system, and other parsing,
+easy. The defition of timestamp is YYYY-MM-DD<T stands for date and time
+separator>HH:MM:SS,<microseconds><-+><GMT-0 timezone offset>.
+.IP
+The
+.I iso
+time format has the same issue as
+.IR ctime ,
+the time may be inaccurate if a system is suspended and resumed.
.SH SEE ALSO
.BR syslogd (8)
.SH AUTHORS
--
1.8.3
next prev parent reply other threads:[~2013-06-02 17:52 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-02 17:51 [PATCH 00/19] pull: various clean ups and couple bug fixes Sami Kerola
2013-06-02 17:51 ` [PATCH 01/19] lib: remove unused code Sami Kerola
2013-06-02 17:51 ` [PATCH 02/19] lscpu: add max MHz value to make cpu governor effects more visible Sami Kerola
2013-06-02 17:51 ` [PATCH 03/19] docs: add lscpu max mhz to manual and bash completion Sami Kerola
2013-06-02 17:51 ` [PATCH 04/19] sfdisk: use libc error printing function, and symbolic exit values Sami Kerola
2013-06-07 10:20 ` Karel Zak
2013-06-02 17:51 ` [PATCH 05/19] sfdisk: clean up usage() functions Sami Kerola
2013-06-02 17:51 ` [PATCH 06/19] sfdisk: use program_invocation_short_name to determine program name Sami Kerola
2013-06-02 17:51 ` [PATCH 07/19] docs: correct sfdisk --activate instructions Sami Kerola
2013-06-02 17:51 ` [PATCH 08/19] sfdisk: remove --unhide and related functions Sami Kerola
2013-06-02 17:51 ` [PATCH 09/19] sfdisk: replace my_warn() with warnx() Sami Kerola
2013-06-02 17:51 ` [PATCH 10/19] rev: stop adding new line at the end when input does not have it Sami Kerola
2013-06-02 17:51 ` [PATCH 11/19] rev: simplify new line detection and impossible test Sami Kerola
2013-06-02 17:51 ` [PATCH 12/19] rev: reduce stream checking when closing read-only file descriptor Sami Kerola
2013-06-02 17:51 ` [PATCH 13/19] dmesg: make time format parsing to use enum bit field Sami Kerola
2013-06-03 8:45 ` Karel Zak
2013-06-02 17:51 ` [PATCH 14/19] dmesg: add --time-format option Sami Kerola
2013-06-02 17:51 ` [PATCH 15/19] dmesg: add iso-8601 time format Sami Kerola
2013-06-02 17:51 ` Sami Kerola [this message]
2013-06-02 17:51 ` [PATCH 17/19] dmesg: make usage() a little bit shorter Sami Kerola
2013-06-03 8:56 ` Karel Zak
2013-06-02 17:51 ` [PATCH 18/19] dmesg: more deterministic boot time detection Sami Kerola
2013-06-03 9:35 ` Karel Zak
2013-06-02 17:51 ` [PATCH 19/19] cal: fix few type mismatches Sami Kerola
2013-06-07 10:28 ` [PATCH 00/19] pull: various clean ups and couple bug fixes Karel Zak
2013-06-07 15:45 ` Sami Kerola
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