Displaying 2 results from an estimated 2 matches for "5612971".
2019 Apr 13
1
Re: virt-v2v slow when running inside the VM
...the host and
guestvm was comprable) being the issue.
Next I profiled both sshd and qemu-img during the conversion phase using
bpftools (profile and tcptop) and this is what i see.
Time (min)
File Size
(KB)
sshd RX
(KB)
tcptop
qemu-img RX
(KB)
tcptop
profile (flamegraph)
0 - 5
5478400
5612971
5601536
qemu-img-0-5.svg
5 - 10
8365440 (+2887040)
5669043
5656517
qemu-img-5-10.svg
10 - 15
8423296 (+57856)
5722376
5708926
qemu-img-10-15.svg
15 - 20
9472128(+1048832)
5708230
5693710
qemu-img-15-20.svg
20 - 25
9540992(+68864)
5723629
5712002
qemu-img-20-25.svg
25 - 30
96...
2019 Apr 10
2
Re: virt-v2v slow when running inside the VM
thanks Richard,
The experiment was indeed done with nested VM enabled. I am not sure about
the internals, but i thought once overlay is setup the 2 main processes are
sshd and qemu-img convert (reading data from sshd and doing the conversion)
I don't see any of the qemu process running.
Initial overlay setup was pretty quick and rest of the time was spent in
qemu-img convert operation
Suresh