Messages in this thread | | | Date | Thu, 24 Jan 2013 09:05:46 -0800 | From | Josh Stone <> | Subject | Re: [GIT PULL] uprobes: pre-filtering |
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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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