Messages in this thread | | | Date | Sat, 29 Dec 2001 15:39:03 -0800 (PST) | From | Davide Libenzi <> | Subject | Re: [PATCH] Balanced Multi Queue Scheduler ... |
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On Sat, 29 Dec 2001, Andrew Morton wrote:
> > It'd be nice to have inside local_irq_disable()/enable() a cycle counter > > sampler to see what is the worst case path with disabled irqs. > > > > http://www.zip.com.au/~akpm/linux/#intlat > > This tool needs a bit of maintenance work, but it can measure and identify > the source of worst-case interrupt latencies quite successfully.
Thx, i'll take a look.
- Davide
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