Dies ist eine alte Version des Dokuments!
Cyclictest is part of the rt-tests
package and is included in ntb-dev-image
.
The following command is executed for each core:
cat /dev/zero > /dev/null
This causes 100% CPU utilization.
Then cyclictest
is invoked using the following command, to run for 24h:
sudo ./cyclictest -n -Sp80 -l86400000000 -i1000 -h1000 -q > histogramm.log
-l
specifies the test duration in µs; 24h*60min/h*60min/s*1000ms/s*1000us/ms = 86'400'000'000us
.
For more information about the flags, see the cyclictest wiki page
platform | latency (µs) | |||
---|---|---|---|---|
min | max | mode | avg | |
cb20 | 11 | 52 | 15 | x |
cx2020 | 2 | 10 | 3 | 3 |