Re: [RFC] scripts: Include postprocessing script for memory allocation tracing

[Michal Hocko]

On Tue 13-09-16 14:04:49, Janani Ravichandran wrote:
> 
> > On Sep 12, 2016, at 8:16 AM, Michal Hocko <mhocko@xxxxxxxxxx> wrote:
> > 
> > Hi,
> 
> Hello Michal,
> 
> > I am sorry I didn't follow up on the previous submission.
> 
> Thatâs alright :)
> 
> > I find this
> > _really_ helpful. It is great that you could build on top of existing
> > tracepoints but one thing is not entirely clear to me. Without a begin
> > marker in __alloc_pages_nodemask we cannot really tell how long the
> > whole allocation took, which would be extremely useful. Or do you use
> > any graph tracer tricks to deduce that?
> 
> Iâm using the function graph tracer to see how long __alloc_pages_nodemask()
> took.

How can you map the function graph tracer to a specif context? Let's say
I would like to know why a particular allocation took so long. Would
that be possible?

-- 
Michal Hocko
SUSE Labs