Displaying 3 results from an estimated 3 matches for "mmu_free_roots".
2016 Aug 22
2
Nested KVM issue
...Children Self Command Shared Object Symbol
- 93.62% 93.62% qemu-kvm
[kernel.kallsyms] [k] _raw_spin_lock
- _raw_spin_lock
+ 45.30% kvm_mmu_sync_roots
+ 28.49% kvm_mmu_load
+ 25.00% mmu_free_roots
+ 1.12% tdp_page_fault
?n joi, 18 aug. 2016 la 11:59, Laurentiu Soica <laurentiu at soica.ro> a scris:
> I've tried with KSM disabled and nothing changed.
>
> I've upgraded KVM to qemu-kvm-ev. I'm waiting to see if there are any
> improvements and report back...
2016 Aug 22
0
Nested KVM issue
...- 93.62%
> 93.62% qemu-kvm [kernel.kallsyms] [k]
> _raw_spin_lock
>
>
> - _raw_spin_lock
>
>
> + 45.30% kvm_mmu_sync_roots
>
>
> + 28.49% kvm_mmu_load
>
>
> + 25.00% mmu_free_roots
>
>
> + 1.12% tdp_page_fault
>
> ?n joi, 18 aug. 2016 la 11:59, Laurentiu Soica a
> scris:
>
>> I've tried with KSM disabled and nothing changed.
>>
>> I've upgraded KVM to qemu-kvm-ev. I'm waiting to see if there are
>> any improv...
2016 Aug 17
2
Nested KVM issue
For myself KSM is unpredictable feature. The problem is Compute, just this node
does "copy on write" , so only Compute.
My concern exactly is where would it lead to worse or better Guest behavior ?
I am not expecting complete fix. I would track via top/htop and dmesg via Cron on 1-2 hr
period.
________________________________
From: centos-virt-bounces at centos.org