You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-17 - 23:58
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackeslot3.osadl.org (updated Wed Dec 17, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1586723997642,32cyclictest3367737-1kworker/1:1H10:20:071
1586723997542,30cyclictest1590185-21kworker/1:207:55:141
1586723997143,27cyclictest1645582-21kworker/1:210:15:141
1586723997141,29cyclictest1590185-21kworker/1:207:35:151
1586723997044,24cyclictest1609836-21kworker/1:308:20:141
1586723997042,27cyclictest1651145-21kworker/1:210:40:161
1586723997042,26cyclictest1590185-21kworker/1:207:20:141
1586723996646,18cyclictest1682892-21kworker/1:112:20:121
1586723996638,27cyclictest3367737-1kworker/1:1H09:30:251
1586723996557,6cyclictest1690002-21fschecks_time12:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional