Messages in this thread | | | Date | Wed, 16 Sep 2015 00:00:46 +0800 | From | Minfei Huang <> | Subject | Re: [REPOST PATCH] ftrace: Remove the unused variant ftrace_update_time |
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On 09/15/15 at 11:50am, Steven Rostedt wrote: > On Tue, 15 Sep 2015 23:37:39 +0800 > Minfei Huang <mnfhuang@gmail.com> wrote: > > > > I think the variant ftrace_update_time is not used any more. Previously, > > it is used to print the time how long ftrace will spend to update the > > code in fucntion ftraced. > > Yes, I know what it measures. It's been on my todo list to export that > out to userspace, as it is an interesting metric. >
Export the time which ftrace spent to update the all of the function? How about exporting the time ftrace spent in latest time?
Thanks Minfei
> > > > > > > > Maybe add it to the dyn_ftrace_total_info file? > > > > > > > This file only uses the variant ftrace_update_tot_cnt which is stored > > the updated function number. > > But we can add to that file with a space delimited output. > > -- Steve >
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