Re: [PATCH 19/19] perf tools: allow non-matching sample types

[David Ahern]

On 10/18/13 8:50 AM, Adrian Hunter wrote:
> On 18/10/13 17:25, David Ahern wrote:
> > Arnaldo and I have discussed adding callchain handling to perf-trace. To do
> > that we only need stack data (including IP) for one event -- eg,
> > raw_syscalls:sys_enter. That means raw_syscalls:sys_enter and
> > raw_syscalls:sys_exit will have different attributes set - including ones in
> > the MASK.
>
> So how do you know which sample is which?

We need a solution to the problem, and my point is I don't want to 
increase data in all samples.

David

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