You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-28 - 10:43
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.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rackdslot0.osadl.org (updated Tue Apr 28, 2026 00:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9607992725,1cyclictest629-21mii-tool23:40:152
9598992414,5cyclictest0-21swapper/023:20:190
960399224,12cyclictest0-21swapper/100:10:001
9598992118,2cyclictest25917-21php7.019:39:010
959899200,19cyclictest843-21systemd-network23:58:160
959899200,17cyclictest0-21swapper/021:28:330
960799192,16cyclictest22548-21cpuspeed_turbos20:30:132
960799192,16cyclictest15542-21smartctl22:10:182
9607991917,1cyclictest0-21swapper/222:40:152
960799190,2cyclictest13325-21latency_hist20:15:012
960799190,16cyclictest3979-21H222:10:212
960399192,16cyclictest14499-21snapd22:27:581
9603991917,1cyclictest0-21swapper/123:15:181
9603991917,1cyclictest0-21swapper/123:15:181
9598991917,1cyclictest0-21swapper/019:34:480
9598991916,2cyclictest16536-21sed22:15:010
9598991916,2cyclictest1100-21snmpd21:00:010
959899190,3cyclictest25911-21iwlist20:35:160
960799182,15cyclictest4338-21cpuspeed_turbos22:50:142
9607991816,1cyclictest0-21swapper/222:18:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional