Documentation/ABI/testing/sysfs-cfq-target-latency · 407ac95e2271a310016ced97f407676e79c53c06 · Eclipse Projects / Oniro Core / linux · GitLab

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13 years ago

Documentation: Add sysfs ABI change for cfq's target latency. · 407ac95e

Tao Ma authored 13 years ago


Cc: Jens Axboe <axboe@kernel.dk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

407ac95e

Documentation: Add sysfs ABI change for cfq's target latency.

Tao Ma authored 13 years ago


Cc: Jens Axboe <axboe@kernel.dk>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

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sysfs-cfq-target-latency 358 B

What:		/sys/block/<device>/iosched/target_latency
Date:		March 2012
contact:	Tao Ma <boyu.mt@taobao.com>
Description:
		The /sys/block/<device>/iosched/target_latency only exists
		when the user sets cfq to /sys/block/<device>/scheduler.
		It contains an estimated latency time for the cfq. cfq will
		use it to calculate the time slice used for every task.

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