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ipq40xx: import irq-balance script from presisco/openwrt-irq-balance
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coolsnowwolf
parent
63bc209d7d
commit
defe460d44
@ -20,6 +20,6 @@ DEFAULT_PACKAGES += \
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kmod-ath10k wpad-openssl \
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kmod-usb3 kmod-usb-dwc3 ath10k-firmware-qca4019 \
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automount autosamba luci-app-ipsec-vpnd luci-app-unblockmusic luci-app-cpufreq luci-app-zerotier luci-app-xlnetacc \
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htop fdisk e2fsprogs
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htop fdisk e2fsprogs ethtool
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$(eval $(call BuildTarget))
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@ -1,18 +1,205 @@
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#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2011 OpenWrt.org
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START=11
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START=99
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STOP=98
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adjust_smp_affinity() {
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test -f /lib/adjust_network.sh && {
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. /lib/adjust_network.sh
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rps_flow_cnt=4096
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core_count=$(grep -c processor /proc/cpuinfo)
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rps_sock_flow_ent=`expr $core_count \* $rps_flow_cnt`
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queue_cores="0 1 2"
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queue_irq_cores="1 2"
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wifi_core="3"
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usb_core="0"
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adjust_edma_smp_affinity
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adjust_radio_smp_affinity
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}
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############### util functions ###############
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to_hex_list() {
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local cores=$1
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local converted=""
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for core in $(echo $cores | awk '{print}')
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do
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local hex="$(gen_hex_mask "$core")"
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converted="$converted $hex"
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done
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echo `echo $converted | sed 's/^ *//'`
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}
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boot() {
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adjust_smp_affinity
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gen_hex_mask() {
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local cores=$1
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local mask=0
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for core in $(echo $cores | awk '{print}')
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do
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local bit="$((1 << $core))"
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let "mask = mask + bit"
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done
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local hex="$(printf %x "$mask")"
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echo "$hex"
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}
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val_at_index() {
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local values=$1
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local idx=$2
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echo `echo $values | awk -v i=$idx '{print $i}'`
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}
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size_of_list() {
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local list=$1
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local spaces=`echo $list | grep -o ' ' | wc -l`
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echo `expr $spaces + 1`
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}
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set_core_mask() {
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local file=$1
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local cores=$2
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local mask="$(gen_hex_mask "$cores")"
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echo $mask > $file
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}
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set_core_mask_round() {
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local files=$1
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local cores=$2
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local step_size=$3
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[ ! -n "$3" ] && step_size=1
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local core_count="$(size_of_list "$cores")"
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local counter=0
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local idx=1
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local roof=`expr $core_count \* $step_size`
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for file in $(echo $files | awk '{print}')
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do
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let "idx = counter / step_size + 1"
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local core="$(val_at_index "$cores" $idx)"
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set_core_mask $file $core
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let "counter = counter + 1"
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[ $counter -ge $roof ] && counter=0
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done
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}
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############### assign network queues ###############
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set_interface_round() {
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local interface=$1
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local cores=$2
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local step_size=$3
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[ ! -n "$3" ] && step_size=1
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echo "using round mask for interface: $interface, step size: $step_size"
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set_core_mask_round "$(ls /sys/class/net/$interface/queues/tx-*/xps_cpus)" "$cores" $step_size
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set_core_mask_round "$(ls /sys/class/net/$interface/queues/rx-*/rps_cpus)" "$cores" $step_size
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for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_flow_cnt
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do
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echo $rps_flow_cnt > $file
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done
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}
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set_interface() {
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local interface=$1
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local cores=$2
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echo "using cores: $cores for interface: $interface"
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for file in /sys/class/net/$interface/queues/rx-[0-9]*/rps_cpus
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do
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set_core_mask $file "$cores"
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echo $rps_flow_cnt > `dirname $file`/rps_flow_cnt
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done
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for file in /sys/class/net/$interface/queues/tx-[0-9]*/xps_cpus
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do
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set_core_mask $file "$cores"
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done
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}
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set_interface_queues() {
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echo "using cpu: $queue_cores for network queues"
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for dev in /sys/class/net/eth*
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do
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[ -d "$dev" ] || continue
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local interface=`basename $dev`
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set_interface $interface "$queue_cores"
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done
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for dev in /sys/class/net/wlan*
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do
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[ -d "$dev" ] || continue
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local interface=`basename $dev`
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set_interface $interface "$queue_cores"
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done
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for dev in /sys/class/net/eth*
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do
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local eth=`basename $dev`
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echo "enabling offload on $eth"
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ethtool -K $eth rx-checksum on >/dev/null 2>&1
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ethtool -K $eth tx-checksum-ip-generic on >/dev/null 2>&1 || (
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ethtool -K $eth tx-checksum-ipv4 on >/dev/null 2>&1
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ethtool -K $eth tx-checksum-ipv6 on >/dev/null 2>&1)
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ethtool -K $eth tx-scatter-gather on >/dev/null 2>&1
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ethtool -K $eth gso on >/dev/null 2>&1
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ethtool -K $eth gro on >/dev/null 2>&1
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ethtool -K $eth lro on >/dev/null 2>&1
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ethtool -K $eth tso on >/dev/null 2>&1
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ethtool -K $eth ufo on >/dev/null 2>&1
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done
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echo $rps_sock_flow_ent > /proc/sys/net/core/rps_sock_flow_entries
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sysctl -w net.core.rps_sock_flow_entries=$rps_sock_flow_ent
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}
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############### assign interrupts ###############
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set_irq_cores() {
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local mask="$(gen_hex_mask "$2")"
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echo "set mask $mask for irq: $1"
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echo $mask > "/proc/irq/$1/smp_affinity"
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}
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set_irq_pattern() {
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local name_pattern="$1"
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local cores="$2"
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for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
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do
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set_irq_cores $irq "$cores"
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done
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}
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set_irq_interleave() {
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local name_pattern=$1
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local cores=$2
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local step_size=$3
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local files=""
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for irq in `grep "$name_pattern" /proc/interrupts | cut -d: -f1 | sed 's, *,,'`
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do
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files="$files\
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/proc/irq/$irq/smp_affinity"
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done
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set_core_mask_round "$files" "$cores" "$step_size"
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}
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set_irqs() {
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#dma
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set_irq_pattern bam_dma "$usb_core"
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#ethernet
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set_irq_interleave eth_tx "$queue_irq_cores" 4
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set_irq_interleave eth_rx "$queue_irq_cores" 1
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#pcie
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set_irq_pattern pcie "$wifi_core"
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#usb
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set_irq_pattern usb "$usb_core"
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}
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start() {
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set_interface_queues
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set_irqs
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}
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@ -1,86 +0,0 @@
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#!/bin/sh
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# this scripts is used for adjust cpu's choice of interrupts.
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#
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################################################
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# Adjust smp_affinity of edma
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# Globals:
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# None
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# Arguments:
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# None
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# Returns:
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# None
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# Remark:
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# execute only once on start-up.
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################################################
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adjust_edma_smp_affinity() {
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grep -q edma_eth_ /proc/interrupts || return 0
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local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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local cpu=0
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local tx_irq_num
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for tx_num in `seq 0 1 15` ; do
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cpu=`printf "%x" $((1<<((tx_num/4+3)%nr)))`
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tx_irq_num=`grep -m1 edma_eth_tx$tx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '`
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[ -n "$tx_irq_num" ] && echo $cpu > /proc/irq/$tx_irq_num/smp_affinity
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done
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for rx_num in `seq 0 1 7` ; do
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cpu=`printf "%x" $((1<<((rx_num/2)%nr)))`
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rx_irq_num=`grep -m1 edma_eth_rx$rx_num /proc/interrupts | cut -d ':' -f 1 | tail -n1 | tr -d ' '`
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[ -n "$rx_irq_num" ] && echo $cpu > /proc/irq/$rx_irq_num/smp_affinity
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done
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}
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################################################
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# Adjust smp_affinity of ath10k for 2G and 5G
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# Globals:
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# None
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# Arguments:
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# None
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# Returns:
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# None
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# Remark:
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# execute only once on start-up.
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################################################
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adjust_radio_smp_affinity() {
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local irqs="`grep -E 'ath10k' /proc/interrupts | cut -d ':' -f 1 | tr -d ' '`"
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local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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local idx=2
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for irq in $irqs; do
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cpu=`printf "%x" $((1<<((idx)%nr)))`
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echo $cpu > /proc/irq/$irq/smp_affinity
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idx=$((idx+1))
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done
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}
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################################################
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# Adjust queue of eth
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# Globals:
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# None
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# Arguments:
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# None
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# Returns:
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# None
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# Remark:
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# Each network reboot needs to be executed.
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################################################
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adjust_eth_queue() {
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local nr=`cat /proc/cpuinfo | grep processor | wc -l`
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local cpu=`printf "%x" $(((1<<nr)-1))`
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for epath in /sys/class/net/eth[0-9]*; do
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test -e $epath || break
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echo $epath | grep -q "\." && continue
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eth=`basename $epath`
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for exps in /sys/class/net/$eth/queues/rx-[0-9]*/rps_cpus; do
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test -e $exps || break
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echo $cpu > $exps
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echo 256 > `dirname $exps`/rps_flow_cnt
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done
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which ethtool >/dev/null 2>&1 && ethtool -K $eth gro off
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done
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echo 1024 > /proc/sys/net/core/rps_sock_flow_entries
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}
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