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Bug 1148546 - plugin_scheduler add support for runtime detection of processes
Summary: plugin_scheduler add support for runtime detection of processes
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: tuned
Version: 7.1
Hardware: All
OS: Linux
high
high
Target Milestone: rc
: ---
Assignee: Jaroslav Škarvada
QA Contact: Tereza Cerna
URL:
Whiteboard:
Depends On: 1100826
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-10-01 17:03 UTC by Jaroslav Škarvada
Modified: 2015-11-19 12:20 UTC (History)
10 users (show)

Fixed In Version: tuned-2.5.1-3.el7
Doc Type: Bug Fix
Doc Text:
Cause: Previously plugin_scheduler has no support for tuning of newly spawned processes. Consequence: plugin_scheduler could only tune CPU affinity and real-time scheduling attributes of processes that existed when the Tuned profile was applied. Newly spawned processes weren't tuned until Tuned was restarted or the Tuned profile re-appplied. Fix: The code was added to plugin_scheduler that monitors newly spawned processes through perf infrastructure and those which match the settings in Tuned profile are also tuned. Result: Newly spawned processes are tuned the same way as the processes that existed when the Tuned profile was applied. Moreover if the newly spawned processes exist when the Tuned profile is unapplied, their tuning is rolled back.
Clone Of: 1100826
Environment:
Last Closed: 2015-11-19 12:20:55 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2015:2375 0 normal SHIPPED_LIVE tuned bug fix and enhancement update 2015-11-19 10:51:42 UTC

Comment 1 Jaroslav Škarvada 2015-07-04 09:28:22 UTC 
Fixed by tuned upstream commit:
https://git.fedorahosted.org/cgit/tuned.git/commit/?id=ff3f8aedd7432ed237474a95187a52d65e938db0
Comment 4 errata-xmlrpc 2015-11-19 12:20:55 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-2375.html
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