[kernel-xen] kernel-xen-3.11.0-1 in testing repo.

[Adi Pircalabu]

On 17-09-2013 11:30 AM, Glenn Enright wrote:
[...]
> I'm working on a machine with VMs backed by lvm disk over raid1 (using
> budget sata drives), with the following snippet, with and without the
> fsync option. The test domU uses the noop scheduler.
> 
> for i in 1 2 3 4 5
> do
>   dd if=/dev/zero of=speedtest bs=1M count=1024 conv=fsync
> done
> 
> 3.10 domO, default behavour, custom domu kernel
> using fsync average 58 MB/s, without fsync average 59 MB/s,
> 
> 3.11 domO, default behaviour, 3.11 kernel on domu
> using fsync average 58 MB/s (ie the same)
> 
> 3.11 domO, using xen-blkfront.max=128, 3.11 kernel on domU
> using fsync average 62 MB/s, without fsync average 68 MB/s

It'd probably be interesting to compare these figures with the ones 
obtained when using oflag=dsync instead of conv=fsync.

-- 
Adi Pircalabu