Re: [PATCH 0/3] sched, timer: Improve scalability of itimers

From: Ingo Molnar
Date: Wed Apr 15 2015 - 03:24:41 EST

* Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote:

> On Tue, Apr 14, 2015 at 4:09 PM, Jason Low <jason.low2@xxxxxx> wrote:
> > This patchset improves the scalability of itimers, thread_group_cputimer
> > and addresses a performance issue we found while running a database
> > workload where more than 30% of total time is spent in the kernel
> > trying to acquire the thread_group_cputimer spinlock.
> I'm ok with this series, but I'm going to assume that I'll get it
> through the scheduler tree. Ingo?

Yeah, will pick them up!


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