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Diffstat (limited to 'results/classifier/118/performance/2572')
| -rw-r--r-- | results/classifier/118/performance/2572 | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/results/classifier/118/performance/2572 b/results/classifier/118/performance/2572 new file mode 100644 index 000000000..ca65b9c3d --- /dev/null +++ b/results/classifier/118/performance/2572 @@ -0,0 +1,60 @@ +performance: 0.939 +device: 0.930 +peripherals: 0.891 +graphic: 0.839 +virtual: 0.804 +hypervisor: 0.804 +ppc: 0.792 +architecture: 0.762 +semantic: 0.727 +PID: 0.716 +vnc: 0.711 +register: 0.707 +risc-v: 0.707 +debug: 0.699 +VMM: 0.686 +mistranslation: 0.658 +network: 0.648 +i386: 0.644 +TCG: 0.632 +files: 0.629 +arm: 0.626 +permissions: 0.610 +x86: 0.607 +socket: 0.606 +boot: 0.579 +KVM: 0.545 +kernel: 0.545 +user-level: 0.471 +assembly: 0.262 + +Guest os=Windows , qemu. Shutdown very slow. Memory allocation issue. +Description of problem: +simplifiying - libvirt config: +``` +<memory unit='KiB'>33554432</memory> + <currentMemory unit='KiB'>131072</currentMemory> +``` +when use `<currentMemory>` less than `<memory>` - at/after shutdown of guest os cpu hangs on 100% and lasts long- approximately 3-5 minutes +if change to +``` +<memory unit='KiB'>33554432</memory> + <currentMemory unit='KiB'>33554432</currentMemory> +``` +then shutdown takes less some seconds + +problem occurs not (shutdown of VM takes some seconds) in cases when not used balloon device: +1 `<currentMemory>` equal to `<memory>` +2 memballoon driver disabled in windows +3 memballoon disabled on libvirt with "model=none" (and therefore not passed to qemu command line) +Additional information: +on the guest : + * used drivers from virtio-win-0.1.262.iso - membaloon ver 100.95.104.26200 + * possible combination of all or some components + +monitored next: +`virsh dommemstat VMName` at shutdown time there grows "rss" till MaxMem, but very slowly. +aLso on `virsh setmem VMName --live --size 32G` +rss grows slow - but takes 2 times less than at simple shutdown time ( = at shutdown seems occurs memory allocation and deallocation at the same time) + +so something with some or all libvirt/qemu/balloon parts not so nice |