[Devel] [PATCH libvzctl v2] scripts: vz_ -- Checkpoint and restore AIO staistics

[Igor Sukhih]

On 04/11/2016 10:07 AM, Cyrill Gorcunov wrote:
> On Mon, Apr 11, 2016 at 09:39:18AM +0300, Igor Sukhih wrote:
>>>   		cgget -n -v -r ve.clock_bootbased $VEID > $1/vz_clock_bootbased.img
>>>   		cgget -n -v -r ve.clock_monotonic $VEID > $1/vz_clock_monotonic.img
>>> +		# AIO statistics
>>> +		cgget -n -v -r ve.aio_max_nr $VEID > $1/vz_aio_max_nr.img
>> cgget -n -v -r ve.aio_max_nr 1024
>> cgget: cannot read group '1024': Cgroup does not exist
> This part requires kernel patch as well (seems I forgot to CC you on it).
> Igor, defer applying it please until kernel part merged (we're waiting
> for Kirill's comments). I'll ping you when kernel side will be ready.
action is not failed, so not depended on kernel
# cgget -n -v -r ve.aio_max_nr 1024
cgget: cannot read group '1024': Cgroup does not exist
# echo $?
0
>
> Side note: look, it seems there become more vz_...img files in dump
> directory, maybe it worth to merge them all into some single
> vz_params.img (until we've not pushed out releas I guess we can
> optimize things safely)?
It will require single format for all vz_* parameters. It Ok for me to 
have single image per parameter