Bug 961792
| Summary: | Modify latency-performance profile to request cpu_dma_latency=1 | ||||||
|---|---|---|---|---|---|---|---|
| Product: | Red Hat Enterprise Linux 6 | Reporter: | Jeremy Eder <jeder> | ||||
| Component: | tuned | Assignee: | Jaroslav Škarvada <jskarvad> | ||||
| Status: | CLOSED ERRATA | QA Contact: | Branislav Blaškovič <bblaskov> | ||||
| Severity: | urgent | Docs Contact: | |||||
| Priority: | unspecified | ||||||
| Version: | 6.5 | CC: | azelinka, bblaskov, jeder, jskarvad, perfbz, yruseva | ||||
| Target Milestone: | rc | ||||||
| Target Release: | --- | ||||||
| Hardware: | All | ||||||
| OS: | Linux | ||||||
| Whiteboard: | |||||||
| Fixed In Version: | Doc Type: | Bug Fix | |||||
| Doc Text: |
Cause:
Tuned previously locks CPU to C0 state in the latency-performance profile.
Consequence:
Performance team recommended to use the C1 state by default.
Fix:
The latency-performance profile was modified.
Result:
The C1 state is now used.
|
Story Points: | --- | ||||
| Clone Of: | |||||||
| : | 986786 996982 (view as bug list) | Environment: | |||||
| Last Closed: | 2013-11-21 11:34:53 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: | |||||||
| Bug Depends On: | |||||||
| Bug Blocks: | 986786, 996982 | ||||||
| Attachments: |
|
||||||
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. http://rhn.redhat.com/errata/RHBA-2013-1623.html |
Created attachment 777431 [details] Proposed fix