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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/1200.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/1200.toml | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/1200.toml b/gitlab/issues/target_missing/host_missing/accel_missing/1200.toml new file mode 100644 index 00000000..4e293c7b --- /dev/null +++ b/gitlab/issues/target_missing/host_missing/accel_missing/1200.toml @@ -0,0 +1,35 @@ +id = 1200 +title = "always zero when query-dirty-rate" +state = "opened" +created_at = "2022-09-08T08:31:08.604Z" +closed_at = "n/a" +labels = ["Migration"] +url = "https://gitlab.com/qemu-project/qemu/-/issues/1200" +host-os = "n/a" +host-arch = "n/a" +qemu-version = "n/a" +guest-os = "n/a" +guest-arch = "n/a" +description = """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!""" +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"} + +```""" +additional = "n/a" |