Re: Aggregate values in logs

[Jens Axboe <axboe@kernel.dk>]

On 11/10/2015 10:38 AM, GrAnt wrote:
> Hello!
>
> How to get aggregate values in log (_bw,_lat,_iops) files?
> I use job with:
>
>> group_reporting=1
>> disable_lat=0
>> disable_clat=0
>> disable_slat=0
>> numjobs=4
>> per_job_logs=0
>
> After benchmarking I�ve got output (normal) with aggregate (for all 4 jobs):
>
> read : io=148620MB, bw=253474KB/s, iops=247, runt=600404msec
>
> But in logs there are stats only about one job, job_bw.log:
>
>> 221, 3091, 0, 1048576
>> 934, 68936, 0, 1048576
>> 1477, 60457, 0, 1048576
>> 2182, 60457, 0, 1048576
>> 2714, 61709, 0, 1048576
>> 3371, 74926, 0, 1048576
>> 4130, 64844, 0, 1048576
>> 4644, 63750, 0, 1048576
>> 5184, 60794, 0, 1048576
>> ..
>
> May be I should multiply values in second column by 4? :)

Look further down, the log will have each of the jobs following each 
other. They are not summed for you, you have to do that.


-- 
Jens Axboe