Re: [PATCH] Add trace event for munmap

Eric B Munson
2010-07-08T14:52:18Z

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On Thu, 08 Jul 2010, Peter Zijlstra wrote:

> On Thu, 2010-07-08 at 15:05 +0100, Eric B Munson wrote:
> > This patch adds a trace event for munmap which will record the starting
> > address of the unmapped area and the length of the umapped area. This
> > event will be used for modeling memory usage.
>
> Does it make sense to couple this with a mmap()/mremap()/brk()
> tracepoint?
>

We were using the mmap information collected by perf, but I think
those might also be useful so I will send a followup patch to add
them.

--
Eric B Munson
IBM Linux Technology Center
emunson@mgebm.net

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