From 6257a2752e39c55bfb03d6db94af0c6033feb8df Mon Sep 17 00:00:00 2001 From: Stefano Brivio Date: Thu, 21 Oct 2021 01:24:22 +0200 Subject: test/perf: Try sourcing maximum scaling frequency from cpufreq 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 --- test/perf/pasta_tcp | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'test/perf/pasta_tcp') diff --git a/test/perf/pasta_tcp b/test/perf/pasta_tcp index ac4cd60..a330bb4 100644 --- a/test/perf/pasta_tcp +++ b/test/perf/pasta_tcp @@ -25,7 +25,10 @@ ns sysctl -w net.ipv4.tcp_timestamps=0 set THREADS 2 set STREAMS 2 set OPTS -Z -w 4M -l 1M -P __STREAMS__ -i1 -t30 -O5 --pacing-timer 10000 -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__ info Throughput in Gbps, latency in µs, __THREADS__ threads at __FREQ__ GHz, __STREAMS__ streams each -- cgit v1.2.3