mirrors/passt
1
0
Fork 0
mirror of https://passt.top/passt synced 2025-05-28 20:35:33 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

test/perf: Try sourcing maximum scaling frequency from cpufreq

Browse source 
On most recent CPUs, that's a better indication of all-core turbo
frequency, or non-turbo frequency, than /proc/cpuinfo.

Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Stefano Brivio 2021-10-21 01:24:22 +02:00
parent 819d13bb92
commit 6257a2752e
4 changed files with 14 additions and 4 deletions
test/perf
passt_tcp

4
test/perf/passt_tcp
View file

@ -33,8 +33,10 @@ ns sysctl -w net.ipv4.tcp_timestamps=0
gout GW ip -j -4 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
gout GW6 ip -j -6 ro sh|jq -rM '.[] | select(.dst == "default").gateway'
gout IFNAME ip -j li sh | jq -rM '.[] | select(.link_type == "ether").ifname'
hout FREQ (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
hout FREQ_PROCFS (echo "scale=1"; sed -n 's/cpu MHz.*: \([0-9]*\)\..*$/(\1+10^2\/2)\/10^3/p' /proc/cpuinfo) | bc -l | head -n1
hout FREQ_CPUFREQ (echo "scale=1"; printf '( %i + 10^5 / 2 ) / 10^6\n' $(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) ) | bc -l
hout FREQ [ -n "__FREQ_CPUFREQ__" ] && echo __FREQ_CPUFREQ__ || echo __FREQ_PROCFS__
set THREADS 1
set STREAMS 8