Bug 1026506

Summary: CONFIG_SCHEDSTATS disabled in kernel
Product: [Fedora] Fedora Reporter: Andi Kleen <andi.kleen>
Component: kernelAssignee: Kernel Maintainer List <kernel-maint>
Status: CLOSED DUPLICATE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 19CC: gansalmon, itamar, jonathan, kernel-maint, madhu.chinakonda
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Last Closed: 2013-11-04 20:26:25 UTC Type: Bug
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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.
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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 ***