| Date | Mon, 27 Oct 2008 17:03:48 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH 1/4] Add support for userspace stacktraces in tracing/iter_ctrl |
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* Török Edwin <edwintorok@gmail.com> wrote:
> Usage example: > mount -t debugfs nodev /sys/kernel/debug > cd /sys/kernel/debug/tracing > echo userstacktrace >iter_ctrl > echo sched_switch >current_tracer > echo 1 >tracing_enabled > .... run application ... > echo 0 >tracing_enabled > > Then read one of 'trace','latency_trace','trace_pipe'
okay, this makes quite a bit of sense - and sysprof already kind of walks down into the user-space stack. (and so does oprofile, if asked)
Could you send this independently of the lock contention tracing patches perhaps?
Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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