[ltt-dev] [patch 5/9] LTTng instrumentation scheduler fix task migration
Ingo Molnar
mingo at elte.hu
Tue Mar 24 13:53:17 EDT 2009
* Mathieu Desnoyers <mathieu.desnoyers at polymtl.ca> wrote:
> The scheduler migration only needs to pass the task struct pointer
> and the destination CPU. The source CPU can be found by using
> task_cpu(p) in the probe.
> +++ linux-2.6-lttng/include/trace/sched.h 2009-01-30 10:43:19.000000000 -0500
> @@ -30,8 +30,8 @@ DECLARE_TRACE(sched_switch,
> TPARGS(rq, prev, next));
>
> DECLARE_TRACE(sched_migrate_task,
> - TPPROTO(struct task_struct *p, int orig_cpu, int dest_cpu),
> - TPARGS(p, orig_cpu, dest_cpu));
> + TPPROTO(struct task_struct *p, int dest_cpu),
> + TPARGS(p, dest_cpu));
Makes sense. Since this tracepoint has been changed in the tracing
tree already, mind doing this change in that context?
Thanks,
Ingo
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