search for: kvm_mmu_load

...PU time is in _raw_spin_lock 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 &...

...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 a > scris: > >> I've tried with KSM disabled and nothing changed. >> >> I've upgraded KVM to qemu-kvm-ev. I'm...

.../2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-amd.ko needs unknown symbol kvm_vcpu_init WARNING: /lib/modules/2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-amd.ko needs unknown symbol kvm_set_msr_common WARNING: /lib/modules/2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-amd.ko needs unknown symbol kvm_mmu_load WARNING: /lib/modules/2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-amd.ko needs unknown symbol kvm_cpu_get_interrupt WARNING: /lib/modules/2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-amd.ko needs unknown symbol kvm_emulate_pio WARNING: /lib/modules/2.6.18-194.32.1.el5/weak-updates/kmod-kvm/kvm-i...

...ng for reply to events, so must be called + * after kvmi_abort_events(). + */ + kvm_page_track_unregister_notifier(kvm, &ikvm->kptn_node); + + /* + * This function uses kvm->mmu_lock so it's not allowed to be + * called under kvmi_put(). It can reach a deadlock if called + * from kvm_mmu_load -> kvmi_tracked_gfn -> kvmi_put. + */ + kvmi_clear_mem_access(kvm); + /* * At this moment the socket is shut down, no more commands will come * from the introspector, and the only way into the introspection is @@ -351,6 +640,8 @@ int kvmi_hook(struct kvm *kvm, const struct kvm_intros...

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

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place

The KVM introspection subsystem provides a facility for applications running on the host or in a separate VM, to control the execution of other VM-s (pause, resume, shutdown), query the state of the vCPUs (GPRs, MSRs etc.), alter the page access bits in the shadow page tables (only for the hardware backed ones, eg. Intel's EPT) and receive notifications when events of interest have taken place