Re: [PATCH] perf sched: Add max delay time snapshot

[Xiao Guangrong]

Frederic Weisbecker wrote:
> When we have a maximum latency reported for a task, we need a
> convenient way to find the matching location to the raw traces
> or to perf sched map that shows where the task has been eventually
> scheduled in. This gives a pointer to retrieve the events that occured
> during this max latency.
> 

Then, we can cooperate with ftrace's data to know what the cpu is
doing at that time.

Reviewed-by: Xiao Guangrong <xiaoguangrong@xxxxxxxxxxxxxx>

Thanks,
Xiao
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