Bug 1026506

Summary:	CONFIG_SCHEDSTATS disabled in kernel
Product:	[Fedora] Fedora	Reporter:	Andi Kleen <andi.kleen>
Component:	kernel	Assignee:	Kernel Maintainer List <kernel-maint>
Status:	CLOSED DUPLICATE	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	19	CC:	gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2013-11-04 20:26:25 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Andi Kleen 2013-11-04 20:09:17 UTC

Description of problem:

CONFIG_SCHEDSTATS is disabled in FC19 kernel
The optional has miniscule overhead, but is quite useful to analyze performance problems and should be enabled by default.


Version-Release number of selected component (if applicable):

FC19


How reproducible:

grep CONFIG_SCHEDSTATS /boot/config-$(uname -r)

cat /proc/self/sched

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 1 Josh Boyer 2013-11-04 20:26:25 UTC

That's what the Kconfig option says, yes.  It seems in practice the overhead isn't minuscule, though I don't have the direct results.

*** This bug has been marked as a duplicate of bug 1013225 ***