[PATCH i-g-t v5 11/17] lib/xe_eudebug: Introduce eu debug testing framework

[Manszewski, Christoph]

Hi Zbigniew,

On 4.09.2024 13:26, Zbigniew Kempczyński wrote:
> On Thu, Aug 29, 2024 at 04:45:41PM +0200, Christoph Manszewski wrote:
> 
> <cut>
> 
> Forgot to add this in my previous comment.
> 
>> +static void event_log_sort(struct xe_eudebug_event_log *l)
>> +{
>> +	struct xe_eudebug_event_log *tmp;
>> +	struct drm_xe_eudebug_event *e = NULL;
>> +	uint64_t first_seqno = 0;
>> +	uint64_t last_seqno = 0;
>> +	uint64_t events = 0, added = 0;
>> +	uint64_t i;
>> +
>> +	xe_eudebug_for_each_event(e, l) {
>> +		if (e->seqno > last_seqno)
>> +			last_seqno = e->seqno;
>> +
>> +		if (e->seqno < first_seqno)
>> +			first_seqno = e->seqno;
>> +
>> +		events++;
>> +	}
>> +
>> +	tmp = xe_eudebug_event_log_create("tmp", l->max_size);
>> +
>> +	for (i = 1; i <= last_seqno; i++) {
> 
> Shouldn't this be i = first_seqno?

So as we discussed offline - indeed it should. What's more, first_seqno 
should be initialized to UINT64_MAX. I will fix that in the next 
revision - thanks!

Christoph

> 
>> +		e = xe_eudebug_event_log_find_seqno(l, i);
>> +		if (e) {
>> +			xe_eudebug_event_log_write(tmp, e);
>> +			added++;
>> +		}
>> +	}
>> +
>> +	igt_assert_eq(events, added);
>> +	igt_assert_eq(tmp->head, l->head);
>> +
>> +	memcpy(l->log, tmp->log, tmp->head);
>> +
>> +	xe_eudebug_event_log_destroy(tmp);
>> +}
> 
> --
> Zbigniew