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| author | Bart Van Assche <bvanassche@google.com> | 2024-01-23 09:54:19 -0800 |
|---|---|---|
| committer | Bart Van Assche <bvanassche@google.com> | 2024-01-24 11:34:48 -0800 |
| commit | c679ef22367853a7b1df70a0a26f07c702dc7f60 (patch) | |
| tree | 7ad7ce4a5d63007f01653abf909ba74142875b82 | |
| parent | 09b4d2c8ebb9e5ab10c80b0c4816226d88ff0447 (diff) | |
| download | redbull-c679ef22367853a7b1df70a0a26f07c702dc7f60.tar.gz | |
init.hardware.rc: Restore I/O performance
As one can see in cfq_arm_slice_timer(), the CFQ I/O scheduler supports
two parameters that can make it delay I/O: group_idle and slice_idle.
Restore I/O performance by setting both the group_idle and slice_idle
parameters to zero.
Bug: 213617178
Bug: 313578691
Change-Id: I02429876790a6456ca957ff7c38f0c8bf88127f9
Signed-off-by: Bart Van Assche <bvanassche@google.com>
| -rw-r--r-- | init.hardware.rc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/init.hardware.rc b/init.hardware.rc index 669c8ddd..888e31ce 100644 --- a/init.hardware.rc +++ b/init.hardware.rc @@ -81,6 +81,7 @@ on init && property:vendor.skip.init=0 # Boot time fs tuning write /sys/block/sda/queue/iostats 0 write /sys/block/sda/queue/scheduler cfq + write /sys/block/sda/queue/iosched/group_idle 0 write /sys/block/sda/queue/iosched/slice_idle 0 write /sys/block/sda/queue/nr_requests 256 |