1 files changed, 55 insertions, 0 deletions
diff --git a/results/classifier/118/graphic/1200 b/results/classifier/118/graphic/1200
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+graphic: 0.921
+device: 0.828
+performance: 0.820
+virtual: 0.764
+semantic: 0.558
+hypervisor: 0.272
+mistranslation: 0.272
+ppc: 0.244
+i386: 0.227
+network: 0.220
+x86: 0.202
+VMM: 0.189
+KVM: 0.183
+architecture: 0.179
+risc-v: 0.157
+vnc: 0.144
+debug: 0.122
+arm: 0.107
+peripherals: 0.102
+user-level: 0.097
+PID: 0.090
+register: 0.080
+kernel: 0.067
+boot: 0.059
+TCG: 0.058
+assembly: 0.027
+socket: 0.026
+permissions: 0.016
+files: 0.015
+
+always zero when query-dirty-rate
+Description of problem:
+The creation of VM works well(by virt-install), and I can enter it by 'virsh console or ssh'.
+
+Now, I try to use qemu's feature: calc-dirty-rate.
+
+But, always get '"dirty-rate":0' when 'query-dirty-rate', occasionally '"dirty-rate":2'.
+
+At the same time, I run 'mbw'(mbw -t0 -n 1000000 1024 -q) in vm, a memcpy-intensive benchmark.
+
+
+I'm not sure if some configurations of QEMU/KVM are not enabled.
+
+looking forward to your reply!
+Steps to reproduce:
+```
+1. virsh qemu-monitor-command centos-huazhang '{"execute":"calc-dirty-rate", "arguments": {"calc-time": 1}}'
+
+   {"return":{},"id":"libvirt-16"}
+
+2. virsh qemu-monitor-command centos-huazhang1 '{"execute":"query-dirty-rate"}'
+   
+   {"return":{"status":"measured","sample-pages":512,"dirty-rate":0,"mode":"page-sampling","start-time":607266,"calc-time":1},"id":"libvirt-17"}
+
+```