On 2014-07-21 22:25, Vasily Tarasov wrote:
Hi Jens, I tried your patch, but it didn't help. Interestingly, the number of threads changes in the end. At first, during the run: # ps -eLf | grep fio root 5224 4274 5224 1 2 11:12 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5225 0 2 11:12 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5231 5224 5231 60 1 11:12 ? 00:00:07 fio --status-interval 10 --minimal fios/1.fio root 5260 5237 5260 0 1 11:12 pts/0 00:00:00 grep fio [root@bison01 vass]# ps -eLf | grep fio root 5224 4274 5224 0 2 11:12 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5225 0 2 11:12 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5231 5224 5231 16 1 11:12 ? 00:00:21 fio --status-interval 10 --minimal fios/1.fio root 5293 5237 5293 0 1 11:14 pts/0 00:00:00 grep fio [root@bison01 vass]# ps -eLf | grep fio root 5224 4274 5224 0 2 11:12 pts/1 00:00:01 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5225 0 2 11:12 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5231 5224 5231 12 1 11:12 ? 00:01:13 fio --status-interval 10 --minimal fios/1.fio root 5411 5237 5411 0 1 11:22 pts/0 00:00:00 grep fio Later, when the threads are stuck: # ps -eLf | grep fio root 5224 4274 5224 0 16 11:12 pts/1 00:00:02 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5225 0 16 11:12 pts/1 00:00:01 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5458 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5459 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5460 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5461 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5462 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5471 0 16 11:25 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5472 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5475 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5476 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5477 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5478 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5487 0 16 11:26 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5488 0 16 11:27 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 5224 4274 5489 0 16 11:27 pts/1 00:00:00 fio --status-interval 10 --minimal fios/1.fio root 6665 5237 6665 0 1 13:21 pts/0 00:00:00 grep fio Is the number of threads supposed to change?.. Here is the fio file I'm using: <snip starts> # cat fios/1.fio [global] rw=write bs=8m direct=0 [sdaa] filename=/dev/sdaa <snip ends> Command line is fio --status-interval 10 --minimal fios/1.fio
Thanks, I'll try and reproduce it tomorrow. -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe fio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
