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Bug 598593 - Best clocksource on 2.6.18-194.el5.x86_64 kernel is jiffies
Best clocksource on 2.6.18-194.el5.x86_64 kernel is jiffies
Product: Red Hat Enterprise Linux 5
Classification: Red Hat
Component: kernel (Show other bugs)
x86_64 Linux
low Severity medium
: rc
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Assigned To: Red Hat Kernel Manager
Red Hat Kernel QE team
Depends On:
  Show dependency treegraph
Reported: 2010-06-01 13:03 EDT by Matthew Whitehead
Modified: 2010-08-26 11:55 EDT (History)
1 user (show)

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Fixed In Version:
Doc Type: Bug Fix
Doc Text:
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Clone Of:
Last Closed: 2010-06-04 10:31:17 EDT
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RHEL 7.3 requirements from Atomic Host:
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Description Matthew Whitehead 2010-06-01 13:03:13 EDT
Description of problem: Best clocksource on 2.6.18-194.el5.x86_64 kernel is jiffies

Version-Release number of selected component (if applicable): kernel 2.6.18-194.el5.x86_64

How reproducible: 100% on available hardware

Steps to Reproduce:
1. cat /sys/devices/system/clocksource/clocksource0/available_clocksource
Actual results: jiffies

Expected results: tsc, hpet, and pit

Additional info:
Comment 1 Prarit Bhargava 2010-06-04 10:31:17 EDT

/sys does not report a valid clock for x86_64.  This is a known discrepancy on the arch and in RHEL5.


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