Bug 145981
Summary: | cpuspeed triggers on disk i/o. | ||||||
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Product: | [Fedora] Fedora | Reporter: | Pierre Ossman <pierre-bugzilla> | ||||
Component: | kernel-utils | Assignee: | Dave Jones <davej> | ||||
Status: | CLOSED CURRENTRELEASE | QA Contact: | Brian Brock <bbrock> | ||||
Severity: | medium | Docs Contact: | |||||
Priority: | medium | ||||||
Version: | 3 | CC: | pfrields | ||||
Target Milestone: | --- | ||||||
Target Release: | --- | ||||||
Hardware: | i386 | ||||||
OS: | Linux | ||||||
Whiteboard: | |||||||
Fixed In Version: | 1.2.1-1.23_FC4 | Doc Type: | Bug Fix | ||||
Doc Text: | Story Points: | --- | |||||
Clone Of: | Environment: | ||||||
Last Closed: | 2005-10-14 14:04:13 UTC | Type: | --- | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
Attachments: |
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Description
Pierre Ossman
2005-01-24 14:44:44 UTC
are your disks in DMA mode ? Yes they are. Running 'dd if=/dev/hda of=/dev/null' puts the cpu in full speed and top reports: Cpu(s): 3.3% us, 9.3% sy, 0.0% ni, 0.0% id, 85.4% wa, 2.0% hi, 0.0% si Created attachment 111898 [details]
Patch to measure iowait
This patch gives the desired behaviour.
Modern cpuspeed has this behaviour. Marking as resolved. |