Originally FIO_IO_U_PLAT_GROUP_NR was 19. It was changed to 29 when the
time unit was changed from usec to nsec.
The description is based on the original 19 groups.
Vincent
On 28-Sep-17 12:55, Andrzej Jakowski wrote:
Hi,
I'm checking source code for percentile calculation:
There is a descrption, showing there is 19 groups:
https://github.com/axboe/fio/blob/master/stat.h#L89
Below it there is macro showing group number to be 29.
#define FIO_IO_U_PLAT_GROUP_NR 29
https://github.com/axboe/fio/blob/master/stat.h#L112
I'm wondering if the original intent for setting
FIO_IO_U_PLAT_GROUP_NR was to 19 and what I see there is just a typo.
Please let me know.
Thx,
Andrzej
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