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adjust IRQ affinity

This commit is contained in:
suyuan 2021-01-27 00:57:13 +08:00
parent 7841f623ab
commit 390d800fff
2 changed files with 22 additions and 205 deletions

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@ -0,0 +1,22 @@
#!/bin/sh /etc/rc.common
START=99
start() {
mask=4
for rps in /sys/class/net/eth0/queues/rx-*
do
echo "$mask" > "$rps/rps_cpus"
done
for irq in $(grep -F "ath10k_ahb" /proc/interrupts | cut -d: -f1 | sed 's, *,,')
do
echo "$mask" > "/proc/irq/$irq/smp_affinity"
mask=8
done
mask=2
for irq in $(grep -F "edma_eth_rx" /proc/interrupts | cut -d: -f1 | sed 's, *,,')
do
echo "$mask" > "/proc/irq/$irq/smp_affinity"
done
}

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@ -1,205 +0,0 @@
#!/bin/sh /etc/rc.common
# Copyright (C) 2006-2011 OpenWrt.org
START=99
STOP=98
rps_flow_cnt=4096
core_count=$(grep -c processor /proc/cpuinfo)
rps_sock_flow_ent=`expr $core_count \* $rps_flow_cnt`
queue_cores="0 1 2"
queue_irq_cores="1 2"
wifi_core="3"
usb_core="0"
############### util functions ###############
to_hex_list() {
local cores=$1
local converted=""
for core in $(echo $cores | awk '{print}')
do
local hex="$(gen_hex_mask "$core")"
converted="$converted $hex"
done
echo `echo $converted | sed 's/^ *//'`
}
gen_hex_mask() {
local cores=$1
local mask=0
for core in $(echo $cores | awk '{print}')
do
local bit="$((1 << $core))"
let "mask = mask + bit"
done
local hex="$(printf %x "$mask")"
echo "$hex"
}
val_at_index() {
local values=$1
local idx=$2
echo `echo $values | awk -v i=$idx '{print $i}'`
}
size_of_list() {
local list=$1
local spaces=`echo $list | grep -o ' ' | wc -l`
echo `expr $spaces + 1`
}
set_core_mask() {
local file=$1
local cores=$2
local mask="$(gen_hex_mask "$cores")"
echo $mask > $file
}
set_core_mask_round() {
local files=$1
local cores=$2
local step_size=$3
[ ! -n "$3" ] && step_size=1
local core_count="$(size_of_list "$cores")"
local counter=0
local idx=1
local roof=`expr $core_count \* $step_size`
for file in $(echo $files | awk '{print}')
do
let "idx = counter / step_size + 1"
local core="$(val_at_index "$cores" $idx)"
set_core_mask $file $core
let "counter = counter + 1"
[ $counter -ge $roof ] && counter=0
done
}
############### assign network queues ###############
set_interface_round() {
local interface=$1
local cores=$2
local step_size=$3
[ ! -n "$3" ] && step_size=1
echo "using round mask for interface: $interface, step size: $step_size"
set_core_mask_round "$(ls /sys/class/net/$interface/queues/tx-*/xps_cpus)" "$cores" $step_size
set_core_mask_round "$(ls /sys/class/net/$interface/queues/rx-*/rps_cpus)" "$cores" $step_size
for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_flow_cnt
do
echo $rps_flow_cnt > $file
done
}
set_interface() {
local interface=$1
local cores=$2
echo "using cores: $cores for interface: $interface"
for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_cpus
do
set_core_mask $file "$cores"
echo $rps_flow_cnt > `dirname $file`/rps_flow_cnt
done
for file in /sys/class/net/$interface/queues/tx-[0-9]*/xps_cpus
do
set_core_mask $file "$cores"
done
}
set_interface_queues() {
echo "using cpu: $queue_cores for network queues"
for dev in /sys/class/net/eth*
do
[ -d "$dev" ] || continue
local interface=`basename $dev`
set_interface $interface "$queue_cores"
done
for dev in /sys/class/net/wlan*
do
[ -d "$dev" ] || continue
local interface=`basename $dev`
set_interface $interface "$queue_cores"
done
for dev in /sys/class/net/eth*
do
local eth=`basename $dev`
echo "enabling offload on $eth"
ethtool -K $eth rx-checksum on >/dev/null 2>&1
ethtool -K $eth tx-checksum-ip-generic on >/dev/null 2>&1 || (
ethtool -K $eth tx-checksum-ipv4 on >/dev/null 2>&1
ethtool -K $eth tx-checksum-ipv6 on >/dev/null 2>&1)
ethtool -K $eth tx-scatter-gather on >/dev/null 2>&1
ethtool -K $eth gso on >/dev/null 2>&1
ethtool -K $eth gro on >/dev/null 2>&1
ethtool -K $eth lro on >/dev/null 2>&1
ethtool -K $eth tso on >/dev/null 2>&1
ethtool -K $eth ufo on >/dev/null 2>&1
done
echo $rps_sock_flow_ent > /proc/sys/net/core/rps_sock_flow_entries
sysctl -w net.core.rps_sock_flow_entries=$rps_sock_flow_ent
}
############### assign interrupts ###############
set_irq_cores() {
local mask="$(gen_hex_mask "$2")"
echo "set mask $mask for irq: $1"
echo $mask > "/proc/irq/$1/smp_affinity"
}
set_irq_pattern() {
local name_pattern="$1"
local cores="$2"
for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
do
set_irq_cores $irq "$cores"
done
}
set_irq_interleave() {
local name_pattern=$1
local cores=$2
local step_size=$3
local files=""
for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
do
files="$files\
/proc/irq/$irq/smp_affinity"
done
set_core_mask_round "$files" "$cores" "$step_size"
}
set_irqs() {
#dma
set_irq_pattern bam_dma "$usb_core"
#ethernet
set_irq_interleave eth_tx "$queue_irq_cores" 4
set_irq_interleave eth_rx "$queue_irq_cores" 1
#pcie
set_irq_pattern pcie "$wifi_core"
#usb
set_irq_pattern usb "$usb_core"
}
start() {
set_interface_queues
set_irqs
}