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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-06-16 16:59:00 +0000 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-06-16 16:59:33 +0000 |
| commit | 9aba81d8eb048db908c94a3c40c25a5fde0caee6 (patch) | |
| tree | b765e7fb5e9a3c2143c68b0414e0055adb70e785 /results/classifier/118/performance/719 | |
| parent | b89a938452613061c0f1f23e710281cf5c83cb29 (diff) | |
| download | qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.tar.gz qemu-analysis-9aba81d8eb048db908c94a3c40c25a5fde0caee6.zip | |
add 18th iteration of classifier
Diffstat (limited to 'results/classifier/118/performance/719')
| -rw-r--r-- | results/classifier/118/performance/719 | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/results/classifier/118/performance/719 b/results/classifier/118/performance/719 new file mode 100644 index 000000000..6f595b1dd --- /dev/null +++ b/results/classifier/118/performance/719 @@ -0,0 +1,49 @@ +performance: 0.996 +graphic: 0.977 +network: 0.956 +device: 0.890 +ppc: 0.857 +PID: 0.780 +semantic: 0.756 +debug: 0.737 +socket: 0.731 +architecture: 0.712 +vnc: 0.705 +VMM: 0.702 +hypervisor: 0.674 +risc-v: 0.669 +x86: 0.636 +mistranslation: 0.624 +i386: 0.618 +permissions: 0.609 +KVM: 0.555 +register: 0.551 +kernel: 0.548 +peripherals: 0.545 +arm: 0.517 +TCG: 0.514 +user-level: 0.463 +boot: 0.419 +assembly: 0.331 +virtual: 0.178 +files: 0.168 + +live migration's performance with compression enabled is much worse than compression disabled +Description of problem: + +Steps to reproduce: +1. Run QEMU the Guests with 1Gpbs network on source host and destination host with QEMU command line +2. Run some memory work loads on Guest, for example, ./memtester 1G 1 +3. Set migration parameters in QEMU monitor. On source and destination, + execute: #migrate_set_capability compress on + Other compression parameters are all default. +4. Run migrate command, # migrate -d tcp:10.156.208.154:4000 +5. The results: + - without compression: total time: 197366 ms throughput: 937.81 mbps transferred Ram: 22593703 kbytes + - with compression: total time: 281711 ms throughput: 90.24 mbps transferred Ram: 3102898 kbytes + +When compression is enabled, the compression transferred ram is reduced a lot. But the throughput is down badly. +The total time of live migration with compression is longer than without compression. +I tried with 100G network bandwidth, it also has the same problem. +Additional information: + |