[lttng-dev] kprobe timestamp

[OSDepend]

> On 2013-04-23 12:50, OSDepend wrote:
> > Hi guys,
> > I just try to use kprobe, 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?
> >
> >What did you use to generate this output? I don't recognize it.

> >Yannick

/usr/src/linux-2.6.38.6/Documentation/trace/kprobetrace.txt
I use kprobe to trace, you can get the documentation of kprobe in the text above.
Does any one recognize the time format?

Best,
Chen