Bug 2102450: set rcutree.kthread_prio to ksoftirqd prio #408
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When a performance profile is applied, the priority of the ksoftirqd and rcuc realtime attributes are set to to FIFO:11. The rcutree.kthread_prio must be set accordingly to avoid RCU stall situations with rt kernel Signed-off-by: Vitaly Grinberg <vgrinber@redhat.com>
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@vitus133: This pull request references Bugzilla bug 2102450, which is valid. The bug has been moved to the POST state. The bug has been updated to refer to the pull request using the external bug tracker. 3 validation(s) were run on this bug
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/assign @yanirq |
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/approve |
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: vitus133, yanirq The full list of commands accepted by this bot can be found here. The pull request process is described here
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I think we are hitting a test error in the operator lane due to redhat-performance/tuned#423 |
Thank you Yanir. Fix in: #410 |
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@vitus133: All pull requests linked via external trackers have merged: Bugzilla bug 2102450 has been moved to the MODIFIED state. In response to this:
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/cherrypick release-4.11 |
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@vitus133: new pull request created: #414 In response to this:
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When a performance profile is applied, the priority of the ksoftirqd and rcuc realtime attributes are set to to FIFO:11. The rcutree.kthread_prio must be set accordingly to avoid RCU stall situations with rt kernel Signed-off-by: Vitaly Grinberg <vgrinber@redhat.com>
When a performance profile is applied, the priority of the ksoftirqd and rcuc realtime attributes are set to to FIFO:11. The rcutree.kthread_prio must be set accordingly to avoid RCU stall situations with rt kernel Signed-off-by: Vitaly Grinberg <vgrinber@redhat.com>
When a performance profile is applied, the priority of the
ksoftirqd and rcuc realtime attributes are set to to FIFO:11.
The rcutree.kthread_prio must be set accordingly to avoid
RCU stall situations with rt kernel
Signed-off-by: Vitaly Grinberg vgrinber@redhat.com