Joe Perches <j...@perches.com> writes:

> On Sun, 2020-02-02 at 00:11 +0100, Julian Sax wrote:
>> During normal usage, especially if jobs are started and stopped in rapid
>> succession, the kernel log is filled with messages like this:
>>
>> [38732.522910] Restoring PASID 0x8003 queues
>> [38732.666767] Evicting PASID 0x8003 queues
>> [38732.714074] Restoring PASID 0x8003 queues
>> [38732.815633] Evicting PASID 0x8003 queues
>> [38732.834961] Restoring PASID 0x8003 queues
>> [38732.840536] Evicting PASID 0x8003 queues
>> [38732.869846] Restoring PASID 0x8003 queues
>> [38732.893655] Evicting PASID 0x8003 queues
>> [38732.927975] Restoring PASID 0x8003 queues
>>
>> According to [1], these messages are expected, but they carry little
>> value for the end user, so turn them into debug messages.
>>
>> [1] https://github.com/RadeonOpenCompute/ROCm/issues/343
>
> trivia:
>
>> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c 
>> b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> []
>> @@ -604,7 +604,7 @@ static int evict_process_queues_nocpsch(struct 
>> device_queue_manager *dqm,
>>              goto out;
>>
>>      pdd = qpd_to_pdd(qpd);
>> -    pr_info_ratelimited("Evicting PASID 0x%x queues\n",
>> +    pr_debug_ratelimited("Evicting PASID 0x%x queues\n",
>>                          pdd->process->pasid);
>
> It would be nicer to realign all the subsequent lines in a
> single statement to the now moved open parenthesis.
>
>>
>>      /* Mark all queues as evicted. Deactivate all active queues on
>> @@ -650,7 +650,7 @@ static int evict_process_queues_cpsch(struct 
>> device_queue_manager *dqm,
>>              goto out;
>>
>>      pdd = qpd_to_pdd(qpd);
>> -    pr_info_ratelimited("Evicting PASID 0x%x queues\n",
>> +    pr_debug_ratelimited("Evicting PASID 0x%x queues\n",
>>                          pdd->process->pasid);
>
> etc...

Yeah, absolutely, thanks for pointing that out. v2 coming shortly.

Julian
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