him411/nss-packages-qosmio
1
0
Fork 0
mirror of https://github.com/qosmio/nss-packages.git synced 2025-12-18 01:01:43 +00:00
Code Issues Packages Projects Releases Wiki Activity

Better handling of nss_queue + etc affinity

Browse Source 
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.
This commit is contained in:
anonymous-one 2024-04-06 10:32:14 +02:00 committed by GitHub
parent c39093e475
commit 29f9ba9648
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
1 changed files with 30 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
qca-nss-drv/files/qca-nss-drv.init
View File

@ -18,27 +18,39 @@
START=70 START=70
enable_rps() { enable_rps() {
set_affinity() { set_affinity(){
awk "/$1/{ print substr(\$1, 1, length(\$1)-1) }" /proc/interrupts | while read -r irq; do awk -v irq_name="$1" -v affinity="$2" -v occurrence="$3" '
[ -n "$irq" ] && echo "$2" > /proc/irq/"$irq"/smp_affinity BEGIN{count=0}
done $NF==irq_name{
} if(++count==occurrence){
set_affinity_last() { sub(/:$/,"",$1);
awk "/$1/{sub(/:/,\"\");last=\$1} END{print last}" /proc/interrupts | while read -r irq; do logger -t "ucitrack"
[ -n "$irq" ] && echo "$2" > /proc/irq/"$irq"/smp_affinity system("logger -t \"qca-nss-drv\" \"Pinning IRQ " irq_name " occurance " occurrence " to core " affinity "\"");
done system("printf " affinity " > /proc/irq/" $1 "/smp_affinity");
exit
}
}' /proc/interrupts
} }
# assign 3 nss queues to each core # nss_queue set 1
set_affinity 'nss_queue1' 2 set_affinity 'nss_queue0' 2 1
set_affinity 'nss_queue2' 4 set_affinity 'nss_queue1' 4 1
set_affinity 'nss_queue3' 8 set_affinity 'nss_queue2' 8 1
set_affinity 'nss_queue0' 1 set_affinity 'nss_queue3' 1 1
# assign nss buffer sos/queues to core 3 # nss_queue set 2
set_affinity 'nss_empty_buf_sos' 8 set_affinity 'nss_queue0' 4 2
set_affinity 'nss_empty_buf_queue' 8 set_affinity 'nss_queue1' 8 2
set_affinity_last 'nss_empty_buf_sos' 8 set_affinity 'nss_queue2' 1 2
set_affinity 'nss_queue3' 2 2
# nss buffer sos/queues set 1
set_affinity 'nss_empty_buf_sos' 4 1
set_affinity 'nss_empty_buf_queue' 8 1
# nss buffer sos/queues set 2
set_affinity 'nss_empty_buf_sos' 4 2
set_affinity 'nss_empty_buf_queue' 8 2
# Enable NSS RPS # Enable NSS RPS
sysctl -w dev.nss.rps.enable=1 > /dev/null 2> /dev/null sysctl -w dev.nss.rps.enable=1 > /dev/null 2> /dev/null