On 10/10/2015 09:57 PM, Matthew Eaton wrote:
Hello fio group,
I have been wondering is there any point in telling fio to use threads
rather than forking on a linux platform? Is there any benefit?
Fio is no different than other programs in that regard. Benefits include
cheaper switching between threads, downsides include things like shared
mm that can hurt you a bit since the threads share the mmap_sem. From
fio's point of view, the option is there so you can choose what best
models the target application.
--
Jens Axboe
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