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SubjectRe: [PATCH 3/4] trace: add ability to collect call chain of non-current task.
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On Mon, 2011-09-26 at 19:55 +0400, Andrew Vagin wrote:
>
> Know issues:
> * Now call chains for non-current tasks are collected on x86 only,
> but it may be done for other architectures simply.
> * It collects only kernel call chains, because we can't get direct
> access to memory of other processes and this operation should be
> fast enough.

Also, it changes the semantics of tracepoint, normally you return the
callchain leading to the tracepoint, this changes that.


I'm not entirely against it, as I can see the use, but I would like to
solicit other opinions.


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