Re: [PATCH v1 4/5] perf: Introduce address range filtering

From: Alexander Shishkin
Date: Mon Apr 25 2016 - 12:03:47 EST


Peter Zijlstra <peterz@xxxxxxxxxxxxx> writes:

> On Fri, Apr 22, 2016 at 07:19:11PM +0300, Alexander Shishkin wrote:
>> @@ -393,12 +405,64 @@ struct pmu {
>> void (*free_aux) (void *aux); /* optional */
>>
>> /*
>> + * Validate address range filters: make sure hw supports the
>> + * requested configuration and number of filters; return 0 if the
>> + * supplied filters are valid, -errno otherwise.
>> + */
>> + int (*addr_filters_validate) (struct list_head *filters);
>> + /* optional */
>> +
>> + /*
>> + * Synchronize address range filter configuration:
>> + * translate hw-agnostic filter into hardware configuration in
>> + * event::hw::addr_filters.
>> + */
>> + void (*addr_filters_sync) (struct perf_event *event);
>> + /* optional */
>
> So these two are not serialized the 'normal' way right? Does that want
> more comment?

Yes, will see to it.

Thanks,
--
Alex