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SubjectRe: [PATCH v0 13/71] perf tools: Add machine__get_thread_pid()
On 12/11/13, 5:36 AM, Alexander Shishkin wrote:
> From: Adrian Hunter <adrian.hunter@intel.com>
>
> Add a function to get the pid from the tid.
>
> This is needed when using the sched_switch
> tracepoint to follow object code execution.
> sched_switch identifies the thread but, to
> find the process mmaps, we need the process
> pid.

Are you looking up the current or next task? If the former why not use
sample->pid rather than parsing the sched_switch tracepoint?

David



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