[lttng-dev] [PATCH 09/11] sched: export task_prio to GPL modules

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Thu Dec 1 17:04:45 EST 2011


* Peter Zijlstra (peterz at infradead.org) wrote:
> On Thu, 2011-12-01 at 16:41 -0500, Mathieu Desnoyers wrote:
> > LTTng needs this symbol to prepend the current task dynamic priority
> > value to events (optional context information).
> 
> I absolutely detest exporting such stuff. It propagates the idea that
> task prio actually means something. Also, modules really shouldn't care.

People debugging their SCHED_FIFO/SCHED_RR applications, as well as
users of priority-inheritance futexes, may happen to find this
information extremely useful.

Just saying...

Mathieu

-- 
Mathieu Desnoyers
Operating System Efficiency R&D Consultant
EfficiOS Inc.
http://www.efficios.com



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