Re: [PATCH 00/15] cleanups and optimizations

From: Eliezer Tamir
Date: Mon Dec 16 2013 - 12:49:20 EST


On 13/12/2013 15:56, Peter Zijlstra wrote:
> On Fri, Dec 13, 2013 at 12:49:01PM +0200, Eliezer Tamir wrote:
>> On 12/12/2013 16:08, Peter Zijlstra wrote:
>>> This series contains the preempt_enable_no_resched() cleanups that include
>>> spin_lock_bh() optimizations and local_clock() optimizations.
>>
>> I'm trying to test this on tip/master.
>> Patch 3 fails to apply on kenrel/softirq.c
>
> https://git.kernel.org/cgit/linux/kernel/git/peterz/queue.git/log/?h=preempt_clock
>
> Applied just fine here.. stuffed it in a git tree.

Thanks,
That worked.

My test is, netperf TCP_RR 1 byte, with busy polling enabled, 30s run.

I see 92.0K RR with your patches, 91.8K RR with out them.
This is barely above the noise level, but I'm pretty sure it's real.
In any case I don't see any regression.

Thanks,
Eliezer
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