mirror of
https://github.com/Evolution-X-Devices/device_google_walleye
synced 2026-01-27 15:51:28 +00:00
The deadline IO scheduler results in lower latency SD, and pulls in latency outliers (especially when the flash starts getting fragmented). Switch to deadline post boot. Test: various workloads, both synthetic (fio) as well as actual workloads (app launch, ioshark). Bug: 63630139 Change-Id: I94b90ac09e921fdf01564bd4c6e1a1b809f3f8ec Signed-off-by: Mohan Srinivasan <srmohan@google.com>
47 lines
1.5 KiB
Plaintext
47 lines
1.5 KiB
Plaintext
on late-fs
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# boot time fs tune
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write /sys/block/sda/queue/iostats 0
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write /sys/block/sda/queue/scheduler cfq
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write /sys/block/sda/queue/iosched/slice_idle 0
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write /sys/block/sda/queue/read_ahead_kb 2048
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write /sys/block/sda/queue/nr_requests 256
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write /sys/block/dm-0/queue/read_ahead_kb 2048
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write /sys/block/dm-1/queue/read_ahead_kb 2048
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on property:sys.boot_completed=1
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# end boot time fs tune
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write /sys/block/sda/queue/read_ahead_kb 1024
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write /sys/block/sda/queue/nr_requests 128
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write /sys/block/sda/queue/iostats 1
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write /sys/block/dm-0/queue/read_ahead_kb 512
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write /sys/block/dm-1/queue/read_ahead_kb 512
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write /sys/block/sda/queue/scheduler deadline
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write /sys/block/sde/queue/scheduler deadline
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on property:sys.boot_completed=1 && property:ro.build.type=user
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write /proc/sys/kernel/modules_disabled 1
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on init && property:ro.boot.revision=EVM
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setprop ro.boot.hardware.revision 0.5
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on init && property:ro.boot.revision=EVT0
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setprop ro.boot.hardware.revision 0.6
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on init && property:ro.boot.revision=EVT1
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setprop ro.boot.hardware.revision 0.7
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on init && property:ro.boot.revision=EVT2
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setprop ro.boot.hardware.revision 0.8
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on init && property:ro.boot.revision=DVT
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setprop ro.boot.hardware.revision 1.0
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on init && property:ro.boot.revision=MP0 # PVT
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setprop ro.boot.hardware.revision 1.0
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on init && property:ro.boot.revision=MP1
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setprop ro.boot.hardware.revision 1.0
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on boot && property:ro.build.type=userdebug
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write /sys/class/uio/uio1/device/rtel/rtel 1
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