On 22.07.2015 22:05, Pavel Vasilyev wrote: > # dmesg | grep sched > [ 0.387902] io scheduler noop registered > [ 0.387989] io scheduler deadline registered > [ 0.388079] io scheduler cfq registered (default) > # dmesg | grep sched [ 0.516085] io scheduler noop registered [ 0.516089] io scheduler deadline registered (default) [ 0.516096] io scheduler cfq registered > # cat /boot/config-3.18.17-rt14 | grep IOSCHED > CONFIG_IOSCHED_NOOP=y > CONFIG_IOSCHED_DEADLINE=y > CONFIG_IOSCHED_CFQ=y > CONFIG_CFQ_GROUP_IOSCHED=y > CONFIG_DEFAULT_IOSCHED="cfq" > # cat /boot/config-3.18.17-rt14 | grep IOSCHED CONFIG_IOSCHED_NOOP=y CONFIG_IOSCHED_DEADLINE=y CONFIG_IOSCHED_CFQ=y CONFIG_CFQ_GROUP_IOSCHED=y CONFIG_DEFAULT_IOSCHED="deadline" > # cat /sys/block/sda/queue/scheduler > none > # cat /sys/block/sda/queue/scheduler noop [deadline] cfq > # uname -a > Linux localhost 3.18.17-rt14 #1 SMP PREEMPT RT Wed Jul 22 18:49:51 MSK 2015 x86_64 GNU/Linux # uname -a Linux t520-wolf 3.18.17-rt14 #1 SMP PREEMPT RT Tue Jul 7 14:23:12 CEST 2015 x86_64 x86_64 x86_64 GNU/Linux Hi Pavel, so in my case /sys/block/sda/queue/scheduler shows the correct I/O schedulers for the *same* kernel (3.18.17-rt14). The only difference is that my default I/O scheduler is "deadline". Wolfgang -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
