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SubjectRe: [PATCH] perf lock: clean the options for perf record
On 03/01/11 23:55, Frederic Weisbecker wrote:
> On Sat, Feb 26, 2011 at 02:10:30AM +0900, Hitoshi Mitake wrote:
>> It seems that I was too preprocessed with the method and
>> forgot the purpose...
>> Maybe the things like simple lockstat visualizer or
>> special diff between two lockstat snapshots are
>> useful for the first looking at big picture.
>> I feel that they have worth to write and test.
> Indeed they sound like good ideas. Being able to do a diff
> on locks profiles would be useful to compare two changes on
> the kernel.

BTW, how do you think about the idea of exporting data in
python (or other neutral) expression from procfs? I feel it is a
good idea. Communicating with unified format between user space and
kernel space will reduce lots of parsing overhead. Is this too
aggressive or insane?

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