[PATCH 1/2] powerpc/papr_scm: Fetch nvdimm performance stats from PHYP

Aneesh Kumar K.V aneesh.kumar at linux.ibm.com
Tue Jun 23 15:52:07 AEST 2020


Aneesh Kumar K.V <aneesh.kumar at linux.ibm.com> writes:

> Vaibhav Jain <vaibhav at linux.ibm.com> writes:
> +		 */
>> +		seq_buf_init(&s, buf, PAGE_SIZE);
>> +		for (index = 0, stat = stats->scm_statistic;
>> +		     index < stats->num_statistics; ++index, ++stat) {
>> +			seq_buf_printf(&s, "%.8s = 0x%016llX\n",
>> +				       stat->statistic_id, stat->statistic_value);
>
>
> That is raw number (statistic_id). Is that useful? Can we map them to user readable
> strings? 

Ok i missed that "%.8s" .

>
>> +		}
>> +	}
>> +
>> +	kfree(stats);
>> +	return rc ? rc : seq_buf_used(&s);
>> +}
>> +DEVICE_ATTR_RO(perf_stats);

-aneesh


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