Based on kernel version 3.9. Page generated on 2013-05-02 22:53 EST.
1 What: /sys/block/<device>/iosched/target_latency 2 Date: March 2012 3 contact: Tao Ma <boyu.mt@taobao.com> 4 Description: 5 The /sys/block/<device>/iosched/target_latency only exists 6 when the user sets cfq to /sys/block/<device>/scheduler. 7 It contains an estimated latency time for the cfq. cfq will 8 use it to calculate the time slice used for every task.