Re: [PATCH BUGFIX/IMPROVEMENT 0/6] block, bfq: first bath of fixes and improvements
From: Paolo Valente <hidden>
Date: 2021-01-22 18:31:14
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Il giorno 22 gen 2021, alle ore 19:19, Paolo Valente [off-list ref] ha scritto: Hi, about nine months ago, Jan (Kara, SUSE) reported a throughput regression with BFQ. That was the beginning of a fruitful dev&testing collaboration, which led to 18 new commits. Part are fixes, part are actual performance improvements.
The cover letter was not complete, sorry. Here is the missing piece: Given the high number of commits, and the size of a few of them, I've opted for splitting their submission into three batches. This is the first batch. Thanks, Paolo
Jia Cheng Hu (1): block, bfq: set next_rq to waker_bfqq->next_rq in waker injection Paolo Valente (5): block, bfq: use half slice_idle as a threshold to check short ttime block, bfq: increase time window for waker detection block, bfq: do not raise non-default weights block, bfq: avoid spurious switches to soft_rt of interactive queues block, bfq: do not expire a queue when it is the only busy one block/bfq-iosched.c | 100 +++++++++++++++++++++++++++++++------------- 1 file changed, 70 insertions(+), 30 deletions(-) -- 2.20.1