diff options
| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_missing/1200 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
gitlab scraper: download in toml and text format
Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_missing/1200')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_missing/1200 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_missing/1200 b/gitlab/issues_text/target_missing/host_missing/accel_missing/1200 new file mode 100644 index 000000000..f04478dd9 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_missing/1200 @@ -0,0 +1,25 @@ +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"} + +``` |