You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-11 - 11:55
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 20 highest latencies:
System rackeslot3.osadl.org (updated Sat Jul 11, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
275669299662,1cyclictest0-21swapper/100:05:381
2756692996334,27cyclictest2763199-21kworker/1:119:30:151
275669299630,62cyclictest0-21swapper/123:11:461
275669299630,2cyclictest0-21swapper/120:03:011
2756691996339,3cyclictest707768-1kworker/0:2H20:40:430
2756692996141,18cyclictest2870256-21kworker/1:222:35:121
2756692996140,19cyclictest1505840-1kworker/1:1H23:40:151
2756692996140,19cyclictest1505840-1kworker/1:1H23:40:151
2756692996057,2cyclictest0-21swapper/123:26:081
2756692996044,15cyclictest2805450-21kworker/1:221:30:541
2756692996040,18cyclictest2884664-21kworker/1:022:55:011
2756692995941,17cyclictest2865544-21kworker/1:122:45:131
2756692995941,17cyclictest2824947-21kworker/1:021:45:121
2756692995842,15cyclictest2875121-21kworker/1:022:40:151
2756692995842,15cyclictest2771765-21kworker/1:320:05:141
2756692995838,19cyclictest1505840-1kworker/1:1H19:54:591
2756692995838,18cyclictest2943780-21kworker/1:100:10:121
2756692995838,18cyclictest1505840-1kworker/1:1H22:00:001
2756692995742,14cyclictest2824947-21kworker/1:021:50:311
2756692995742,14cyclictest2792831-21kworker/1:021:05:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional