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init.hardware.rc: Restore I/O performance

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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>
This commit is contained in:
Bart Van Assche
2024-01-23 09:54:19 -08:00
parent 09b4d2c8eb
commit c679ef2236
1 changed files with 1 additions and 0 deletions
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init.hardware.rc
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@@ -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