From: David Ahern <dsahern@gmail.com>
To: OSDepend <osdepend@gmail.com>
Cc: linux-perf-users <linux-perf-users@vger.kernel.org>
Subject: Re: perf script timestamp
Date: Wed, 24 Apr 2013 07:10:48 -0600 [thread overview]
Message-ID: <5177D9D8.4060209@gmail.com> (raw)
In-Reply-To: <201304241622032855179@gmail.com>
On 4/24/13 2:22 AM, OSDepend wrote:
> Hi guys,
> I just try to use perf script, and get some thing like below:
> java 15893 [015] 96380.588871: timer_cancel: timer=0xffff8804379d6698
> java 15721 [010] 96380.588872: timer_cancel: timer=0xffff8800be3d6698
> java 15893 [015] 96380.588875: timer_expire_entry: timer=0xffff8804379d6698 function=delayed_work_timer_fn now=4391194790
> java 15721 [010] 96380.588876: timer_expire_entry: timer=0xffff8800be3d6698 function=delayed_work_timer_fn now=4391194790
>
> I want to know exactly about the time units of the events, such as 96380.588871, and 96380.588872.
> The number befor "." is second or millisecond? and Is the number after "." nanoseconds or microseconds?
> I'm a little confused about the documation for ktime_t, please help me out!
times are <seconds>.<microseconds>
David
prev parent reply other threads:[~2013-04-24 13:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-04-24 8:22 perf script timestamp OSDepend
2013-04-24 13:10 ` David Ahern [this message]
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