Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-04-24 Thread Steven Rostedt
On Wed, 2013-04-24 at 10:11 +0200, Sebastian Andrzej Siewior wrote: > On 04/24/2013 04:36 AM, Steven Rostedt wrote: > > Hi Sebastian, > > Hi Steven, > > > Which version of 3.2-rt was this applied to. It does not apply, where > > patch 7/16 totally does not apply. I looked at the history of 3.2-rt

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-04-24 Thread Sebastian Andrzej Siewior
On 04/24/2013 04:36 AM, Steven Rostedt wrote: > Hi Sebastian, Hi Steven, > Which version of 3.2-rt was this applied to. It does not apply, where > patch 7/16 totally does not apply. I looked at the history of 3.2-rt and > I can't find where it would apply. I applied them on top of 2438ee33 ("Lin

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-04-23 Thread Steven Rostedt
On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: > 3.2-rt is a long term supported kernel, which lacks two RT features > from 3.6: SLUB support and the split softirq lock implementation. > > SLUB has a way better performance than SLAB on RT and the split > softirq lock implement

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-18 Thread Mike Galbraith
On Mon, 2013-02-18 at 23:06 -0500, Steven Rostedt wrote: > On Tue, 2013-02-19 at 09:56 +0800, Li Zefan wrote: > > > Oh ignore me. Just saw the patchset for 3.4-rt. > > Note, I already have part of the 3.4-feature (softirq backport) tested > and ready. What I'm waiting on is trying to figure out

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-18 Thread Steven Rostedt
On Tue, 2013-02-19 at 09:56 +0800, Li Zefan wrote: > Oh ignore me. Just saw the patchset for 3.4-rt. Note, I already have part of the 3.4-feature (softirq backport) tested and ready. What I'm waiting on is trying to figure out the best way to process it. I already know I'll have a v3.4-features

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-18 Thread Li Zefan
On 2013/2/19 9:54, Li Zefan wrote: > On 2013/2/14 1:24, Steven Rostedt wrote: >> On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: >>> 3.2-rt is a long term supported kernel, which lacks two RT features >>> from 3.6: SLUB support and the split softirq lock implementation. >>> >>>

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-18 Thread Li Zefan
On 2013/2/14 1:24, Steven Rostedt wrote: > On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: >> 3.2-rt is a long term supported kernel, which lacks two RT features >> from 3.6: SLUB support and the split softirq lock implementation. >> >> SLUB has a way better performance than SLA

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-13 Thread Thomas Gleixner
On Wed, 13 Feb 2013, Steven Rostedt wrote: > On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: > > 3.2-rt is a long term supported kernel, which lacks two RT features > > from 3.6: SLUB support and the split softirq lock implementation. > > > > SLUB has a way better performance

Re: [PREEMPT RT] SLUB and split softirq lock for v3.2-rt

2013-02-13 Thread Steven Rostedt
On Wed, 2013-02-13 at 17:11 +0100, Sebastian Andrzej Siewior wrote: > 3.2-rt is a long term supported kernel, which lacks two RT features > from 3.6: SLUB support and the split softirq lock implementation. > > SLUB has a way better performance than SLAB on RT and the split > softirq lock implement