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[Xen-devel] 25% cpu usage during idle
| To: | Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-devel] 25% cpu usage during idle |
| From: | Bastian Blank <waldi@xxxxxxxxxx> |
| Date: | Wed, 28 Jul 2010 21:26:08 +0200 |
| Cc: | |
| Delivery-date: | Wed, 28 Jul 2010 12:26:52 -0700 |
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| Mail-followup-to: | Bastian Blank <waldi@xxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
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| User-agent: | Mutt/1.5.18 (2008-05-17) |
A new pvops kernel (78b55f90e72348e231092dbe3e50ac7414b9e1af) needs around 25%
cpu while being idle with 32 guest domains in event and ksoftirq kernel
threads:
| root 4 3.6 0.0 0 0 ? S 21:08 0:26 [ksoftirqd/0]
| root 7 8.6 0.0 0 0 ? S 21:08 1:03 [ksoftirqd/1]
| root 10 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/2]
| root 13 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/3]
| root 16 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/4]
| root 19 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/5]
| root 22 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/6]
| root 25 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/7]
| root 28 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/8]
| root 31 0.0 0.0 0 0 ? S 21:08 0:00 [ksoftirqd/9]
| root 34 0.0 0.0 0 0 ? S 21:08 0:00
[ksoftirqd/10]
| root 37 0.0 0.0 0 0 ? S 21:08 0:00
[ksoftirqd/11]
| root 39 1.3 0.0 0 0 ? S 21:08 0:09 [events/0]
| root 40 14.0 0.0 0 0 ? S 21:08 1:44 [events/1]
| root 41 0.0 0.0 0 0 ? S 21:08 0:00 [events/2]
| root 42 0.0 0.0 0 0 ? S 21:08 0:00 [events/3]
| root 43 0.1 0.0 0 0 ? S 21:08 0:00 [events/4]
| root 44 0.0 0.0 0 0 ? S 21:08 0:00 [events/5]
| root 45 0.0 0.0 0 0 ? S 21:08 0:00 [events/6]
| root 46 0.0 0.0 0 0 ? S 21:08 0:00 [events/7]
| root 47 0.0 0.0 0 0 ? S 21:08 0:00 [events/8]
| root 48 0.0 0.0 0 0 ? S 21:08 0:00 [events/9]
| root 49 0.0 0.0 0 0 ? S 21:08 0:00 [events/10]
| root 50 0.0 0.0 0 0 ? S 21:08 0:00 [events/11]
Bastian
--
Change is the essential process of all existence.
-- Spock, "Let That Be Your Last Battlefield", stardate 5730.2
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