Re: [Qemu-devel] [PATCH RFC v2 09/12] VMState test: update period of vmstate testing process

[Sanidhya Kashyap <sanidhya.iiith@gmail.com>]

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>> +# +# Since 2.2 +## +{ 'command' : 'test-vmstates-set-period', +
>> 'data'    : { 'period': 'int' } }
> 
> Is it possible that we might add other tunables in the future?  If
> so, this command is not very scalable (we would be adding one
> command per new tunable).  On the other hand, adding complexity to
> achieve a generic setter is not worth it if we only expect one
> tunable.
> 


I was thinking of making it scalable as you already pointed out in the
previous patch but it does not look like there is something going to
be added in the future. So, that's why I am stuck with a single
parameter change.

>> +void qmp_test_vmstates_set_period(int64_t period, Error **errp) 
>> +{ +    VMStateLogState *v = vmstate_current_state(); +    if
>> (period < TEST_VMSTATE_MIN_INTERVAL_MS || +        period >
>> TEST_VMSTATE_MAX_INTERVAL_MS) { +        error_setg(errp, "sleep
>> interval (period) value must be " +                   "in the
>> defined range [%d, %d](ms)\n", +
>> TEST_VMSTATE_MIN_INTERVAL_MS, TEST_VMSTATE_MAX_INTERVAL_MS); +
>> return; +    } +    v->period = period; +}
> 
> This looks like it takes effect whether or not a vmstate test is 
> underway.  Does this impact the default of the next vmstate test
> to

Yes

> start, in the case where that command doesn't supply a value for
> period but relies on the default?

No, it does not.


- -- 
- -----

Sanidhya Kashyap
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