scripts: Improve I/O, Scheduler and Network tweak

Signed-off-by: Rem01Gaming <[email protected]>

src/scripts/encore-normal

@@ -97,8 +97,11 @@ change_permission 644 /sys/devices/virtual/thermal/thermal_message/cpu_limits
 
 # I/O Tweaks
 for queue in /sys/block/mmcblk0/queue /sys/block/mmcblk1/queue /sys/block/sd*/queue; do
-	# Fallback to latency friendly
+	# Reduce heuristic read-ahead in exchange for I/O latency
 	apply 128 "$queue/read_ahead_kb"
+
+	# Reduce the maximum number of I/O requests in exchange for latency
+	apply 64 "$queue/nr_requests"
 done &
 
 mediatek_tweak() {

src/scripts/encore-perfcommon

@@ -19,10 +19,7 @@ for queue in /sys/block/mmcblk0/queue /sys/block/mmcblk1/queue /sys/block/sd*/qu
 	# Disable I/O statistics accounting
 	apply 0 "$queue/iostats"
 
-	# Reduce the maximum number of I/O requests in exchange for latency
-	apply 64 "$queue/nr_requests"
-
-	# Don't use I/O as random spice
+	# Don't use I/O as source of randomness
 	apply 0 "$queue/add_random"
 done &
 
@@ -38,6 +35,7 @@ apply "1" /proc/sys/net/ipv4/tcp_ecn
 apply "3" /proc/sys/net/ipv4/tcp_fastopen
 apply "1" /proc/sys/net/ipv4/tcp_sack
 apply "0" /proc/sys/net/ipv4/tcp_timestamps
+apply "0" /proc/sys/net/ipv4/tcp_syncookies
 
 # Disable ccci debugging
 apply 0 /sys/kernel/ccci/debug
@@ -64,6 +62,9 @@ apply 1 /proc/sys/kernel/sched_child_runs_first
 # Improve real time latencies by reducing the scheduler migration time
 apply 32 /proc/sys/kernel/sched_nr_migrate
 
+# Preliminary requirement for the following values
+apply 0 /proc/sys/kernel/sched_tunable_scaling
+
 # Tweaking scheduler to reduce latency
 apply 50000 /proc/sys/kernel/sched_migration_cost_ns
 apply 1000000 /proc/sys/kernel/sched_min_granularity_ns

src/scripts/encore-performance

@@ -92,8 +92,11 @@ change_permission 000 /sys/devices/virtual/thermal/thermal_message/cpu_limits
 
 # I/O Tweaks
 for queue in /sys/block/mmcblk0/queue /sys/block/mmcblk1/queue /sys/block/sd*/queue; do
-	# Most games nowadays have big assets that requires more throughput
-	apply 312 "$queue/read_ahead_kb"
+	# Reduce heuristic read-ahead in exchange for I/O latency
+	apply 32 "$queue/read_ahead_kb"
+
+	# Reduce the maximum number of I/O requests in exchange for latency
+	apply 32 "$queue/nr_requests"
 done &
 
 mediatek_tweak() {