On Mon, Sep 22, 2014 at 1:38 PM, Michal Privoznik <mprivozn@xxxxxxxxxx> wrote:
> On 22.09.2014 11:39, Matthias Gatto wrote:
>> For virQEMUCapsInitQMPMonitor I didn't find other way to check the
>> capability than to check the version, and virQEMUCapsComputeCmdFlags
>> is not call when qemu use QMP(or I've miss how to call it).
>> I don't understand how i should change this patch, can you explain it
>> to me please ?
>>
>
> [please don't top-post on technical lists]
>
> Well, grepping qemu.git I've found this:
>
> blockdev.c:658: qemu_opt_rename(all_opts, "bps_max", "throttling.bps-total-max");
>
> And then, grepping libvirtd.log shows that qemu does report the throttling.bps-total-max. So I guess the diff that you are looking for is:
>
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 62a1124..af4e067 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -2443,6 +2443,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
> { "spice", "disable-agent-file-xfer", QEMU_CAPS_SPICE_FILE_XFER_DISABLE },
> { "msg", "timestamp", QEMU_CAPS_MSG_TIMESTAMP },
> { "numa", NULL, QEMU_CAPS_NUMA },
> + { "drive", "throttling.bps-total-max", QEMU_CAPS_DRIVE_IOTUNE_MAX},
> };
>
> static int
>
> This means, that 'drive' supports 'throttling.bps-total-max' on the command line. Which brings up interesting question - should we use that instead of "bps_max"?
>
> Michal
Ok, i'll try to do it with throttling.bps-total-max
Thank you for the explain, and your review
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