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(parent: 8a63e7a) | patch
fio: warn about "ioengine=psync" and "iodepth >= 1"
authorAlexey Dobriyan <adobriyan@gmail.com>
Sat, 15 Oct 2022 19:41:08 +0000 (22:41 +0300)
committerJens Axboe <axboe@kernel.dk>
Sun, 16 Oct 2022 23:04:38 +0000 (17:04 -0600)
commit349d5f6c30cc7be60da8878d0b0078697f356897
tree73f8c37d6d30a834da65ef26cd21601c8a0fd179tree | snapshot
parent8a63e7a32fcb6b7b131c4678ba95b81a9f2f8bcacommit | diff
fio: warn about "ioengine=psync" and "iodepth >= 1"

Some users are using both ioengine=psync and iodepth=2+
without blinking in front of the millions:

https://youtu.be/coShLkCriXc?t=840
https://youtu.be/coShLkCriXc?t=890

Help them with helpful message.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Link: https://lore.kernel.org/r/Y0sM1PJKEzfv47ZB@localhost.localdomain
[axboe: style fixup]
Signed-off-by: Jens Axboe <axboe@kernel.dk>
backend.c diff | blob | blame | history
fio - Flexible IO Tester