You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-10-24 - 17:09
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot4.osadl.org (updated Fri Oct 24, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1450101992724,2cyclictest0-21swapper/107:45:011
145010699262,21cyclictest1692968-21apt-get10:45:113
1450106992620,4cyclictest1608899-21unixbench_singl09:35:263
1450106992620,4cyclictest1608899-21unixbench_singl09:35:263
145010399265,20cyclictest0-21swapper/209:40:182
145010399261,5cyclictest1744017-21sshd11:25:122
145010399260,24cyclictest1506468-21idleruntime-cro08:05:002
145010199262,20cyclictest1572878-21apt-get09:10:121
145010199261,21cyclictest1775446-21apt-get11:50:161
145010199261,21cyclictest1491464-21apt-get07:50:131
1450096992618,6cyclictest521-21systemd-logind12:05:000
145010699252,20cyclictest1527055-21apt-get08:25:133
145010699251,21cyclictest1744009-21apt-get11:25:133
145010399253,21cyclictest1610384-21cron09:40:002
145010399253,21cyclictest1610384-21cron09:40:002
145010399252,3cyclictest1585497-21apt-get09:20:122
145010399252,3cyclictest1465537-21apt-get07:25:122
1450103992520,3cyclictest1762792-21apt-get11:40:122
145010399251,3cyclictest1779301-21memory11:50:232
145010399251,22cyclictest1655125-21apt-get10:15:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional