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https://github.com/breeze303/nss-packages.git
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29f9ba9648
Using the previous version, not all nss related interrupts were being balanced across the available CPU cores. This makes sure they are as well as moving a bit more off cpu0.
66 lines
2.0 KiB
Bash
66 lines
2.0 KiB
Bash
#!/bin/sh /etc/rc.common
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#
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# Copyright (c) 2015-2017, The Linux Foundation. All rights reserved.
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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#
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START=70
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enable_rps() {
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set_affinity(){
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awk -v irq_name="$1" -v affinity="$2" -v occurrence="$3" '
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BEGIN{count=0}
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$NF==irq_name{
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if(++count==occurrence){
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sub(/:$/,"",$1);
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logger -t "ucitrack"
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system("logger -t \"qca-nss-drv\" \"Pinning IRQ " irq_name " occurance " occurrence " to core " affinity "\"");
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system("printf " affinity " > /proc/irq/" $1 "/smp_affinity");
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exit
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}
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}' /proc/interrupts
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}
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# nss_queue set 1
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set_affinity 'nss_queue0' 2 1
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set_affinity 'nss_queue1' 4 1
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set_affinity 'nss_queue2' 8 1
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set_affinity 'nss_queue3' 1 1
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# nss_queue set 2
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set_affinity 'nss_queue0' 4 2
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set_affinity 'nss_queue1' 8 2
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set_affinity 'nss_queue2' 1 2
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set_affinity 'nss_queue3' 2 2
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# nss buffer sos/queues set 1
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set_affinity 'nss_empty_buf_sos' 4 1
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set_affinity 'nss_empty_buf_queue' 8 1
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# nss buffer sos/queues set 2
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set_affinity 'nss_empty_buf_sos' 4 2
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set_affinity 'nss_empty_buf_queue' 8 2
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# Enable NSS RPS
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sysctl -w dev.nss.rps.enable=1 > /dev/null 2> /dev/null
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}
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start() {
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local rps_enabled
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rps_enabled="$(uci_get nss @general[0] enable_rps)"
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if [ "$rps_enabled" -eq 1 ]; then
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enable_rps
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fi
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}
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