git: dsched_fq - Improve performance, reduce idle time
Alex Hornung
alexh at crater.dragonflybsd.org
Thu Apr 15 13:25:55 PDT 2010
commit 9cc004d0adee969e401440dc46fb1e39eda87a4b
Author: Alex Hornung <ahornung at gmail.com>
Date: Wed Mar 31 01:11:29 2010 +0000
dsched_fq - Improve performance, reduce idle time
* Boost performance by dynamically adapting the rate limit on throttled
threads if the disk becomes idle. This will ensure that the disk is
always > 90% used if there are requests queued.
Summary of changes:
sys/dsched/fq/dsched_fq.h | 1 +
sys/dsched/fq/dsched_fq_core.c | 32 +++++++++++++++++++++++++++-----
sys/dsched/fq/dsched_fq_diskops.c | 2 ++
3 files changed, 30 insertions(+), 5 deletions(-)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/9cc004d0adee969e401440dc46fb1e39eda87a4b
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