Re: [GIT PULL] uprobes: pre-filtering

[Josh Stone]

On 01/24/2013 07:40 AM, Oleg Nesterov wrote:
> I'll try to implement the pid-base filtering at least for
> tracing/uprobe_events, but this needs a time. Not only I am not familiar
> with this code, I am not sure how this interface should actually look.
> And I agree, perf should be able to use it somehow, perhaps at least
> to allow to probe a single task/mm.

Even without changing perf's interface, it already has constraints for
its child processes (versus --all-cpus) or for specific pid/tid/uid.
Pre-filtering could help enforce and optimize those constraints.
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