You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
1.3 KiB
Bash
68 lines
1.3 KiB
Bash
#!/bin/sh
|
|
[ "$ACTION" = add ] || exit
|
|
|
|
NPROCS="$(grep -c "^processor.*:" /proc/cpuinfo)"
|
|
[ "$NPROCS" -gt 1 ] || exit
|
|
|
|
PROC_MASK="$(( (1 << $NPROCS) - 1 ))"
|
|
|
|
find_irq_cpu() {
|
|
local dev="$1"
|
|
local match="$(grep -m 1 "$dev\$" /proc/interrupts)"
|
|
local cpu=0
|
|
|
|
[ -n "$match" ] && {
|
|
set -- $match
|
|
shift
|
|
for cur in `seq 1 $NPROCS`; do
|
|
[ "$1" -gt 0 ] && {
|
|
cpu=$(($cur - 1))
|
|
break
|
|
}
|
|
shift
|
|
done
|
|
}
|
|
|
|
echo "$cpu"
|
|
}
|
|
|
|
set_hex_val() {
|
|
local file="$1"
|
|
local val="$2"
|
|
val="$(printf %x "$val")"
|
|
[ -n "$DEBUG" ] && echo "$file = $val"
|
|
echo "$val" > "$file"
|
|
}
|
|
|
|
default_ps="$(uci get "network.@globals[0].default_ps")"
|
|
[ -n "$default_ps" -a "$default_ps" != 1 ] && exit 0
|
|
|
|
exec 512>/var/lock/smp_tune.lock
|
|
flock 512 || exit 1
|
|
|
|
for dev in /sys/class/net/*; do
|
|
[ -d "$dev" ] || continue
|
|
|
|
# ignore virtual interfaces
|
|
[ -n "$(ls "${dev}/" | grep '^lower_')" ] && continue
|
|
[ -d "${dev}/device" ] || continue
|
|
|
|
device="$(readlink "${dev}/device")"
|
|
device="$(basename "$device")"
|
|
irq_cpu="$(find_irq_cpu "$device")"
|
|
irq_cpu_mask="$((1 << $irq_cpu))"
|
|
|
|
for q in ${dev}/queues/rx-*; do
|
|
set_hex_val "$q/rps_cpus" "$(($PROC_MASK & ~$irq_cpu_mask))"
|
|
done
|
|
|
|
ntxq="$(ls -d ${dev}/queues/tx-* | wc -l)"
|
|
|
|
idx=$(($irq_cpu + 1))
|
|
for q in ${dev}/queues/tx-*; do
|
|
set_hex_val "$q/xps_cpus" "$((1 << $idx))"
|
|
let "idx = idx + 1"
|
|
[ "$idx" -ge "$NPROCS" ] && idx=0
|
|
done
|
|
done
|