* Oleg Nesterov <o...@redhat.com> wrote:
> Currently check_hung_task() prints a warning if it detects the problem,
> but it is not convenient to watch the system logs if user-space wants to
> be notified about the hang.
>
> Add the new trace_sched_process_hang() into check_hung_task(), this way
> a user-space monitor can easily wait for the hang and potentially
> resolve a problem.
I'm wondering, is the data of trace_console() in kernel/printk/printk.c
not sufficient?
If it's not enough then it might be better to add a higher level printk
tracepoint instead - that can catch hung_task messages and (much) more.
Thanks,
Ingo
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