Re: [PATCH 1/2] Add trace points to mmap, munmap, and brk

[KOSAKI Motohiro]

> This patch adds trace points to mmap, munmap, and brk that will report
> relevant addresses and sizes before each function exits successfully.
> 
> Signed-off-by: Eric B Munson <emunson@xxxxxxxxx>

I don't think this is good idea. if you need syscall result, you should 
use syscall tracer. IOW, This tracepoint bring zero information.

Please see perf_event_mmap() usage. Our kernel manage adress space by
vm_area_struct. we need to trace it if we need to know what kernel does.

Thanks.


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