You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-18 - 10:32
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 rack2slot7.osadl.org (updated Tue Nov 18, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
338433999409,9cyclictest0-21swapper/022:13:050
3384339994024,5cyclictest0-21swapper/020:53:030
338434199395,9cyclictest171rcu_preempt22:11:322
338433999393,35cyclictest3384338-21cyclictest00:05:550
3384339993923,3cyclictest0-21swapper/023:37:220
3384339993814,8cyclictest171rcu_preempt21:34:330
3384339993633,2cyclictest3455555-21ntpq21:48:030
338433999352,5cyclictest3533738-21grep23:12:580
3384339993518,3cyclictest11050irq/107-eth%d22:33:080
3384339993432,1cyclictest0-21swapper/023:46:590
3384340993315,12cyclictest111788-21systemd-journal22:12:241
3384339993223,6cyclictest3600466-21sendmail-msp00:26:350
338434199312,3cyclictest0-21swapper/200:06:002
338433999318,20cyclictest211irq_work/022:28:050
338433999311,28cyclictest0-21swapper/019:46:200
338434199303,6cyclictest0-21swapper/200:28:052
338433999303,17cyclictest0-21swapper/019:15:540
338433999293,3cyclictest3391828-21grep19:37:580
338433999293,12cyclictest3467518-21apt-key22:00:550
3384339992918,9cyclictest3401162-21sendmail-msp20:08:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional