You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-09 - 05:10
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 rack3slot6.osadl.org (updated Sun Aug 09, 2026 00:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2258329218,27sleep00-21swapper/019:09:490
2228329115,32sleep10-21swapper/119:07:081
238372790,5chrt23840-21aten2.4_r3power22:10:191
177312790,6sleep117734-21latency_hist23:25:011
22739997634,37cyclictest26-21ksoftirqd/119:10:251
22739997634,36cyclictest26-21ksoftirqd/122:05:571
22739997634,36cyclictest26-21ksoftirqd/122:05:571
22733997635,24cyclictest14-21ksoftirqd/020:15:320
22733997228,9cyclictest14-21ksoftirqd/023:50:000
22739997128,38cyclictest26-21ksoftirqd/120:30:341
22739997030,15cyclictest26-21ksoftirqd/120:40:001
2273399706,55cyclictest20131-21apt-get20:30:260
22739996927,15cyclictest26-21ksoftirqd/122:40:001
22733996933,31cyclictest14-21ksoftirqd/019:35:340
22739996854,8cyclictest26-21ksoftirqd/123:50:201
22739996827,16cyclictest26-21ksoftirqd/122:55:001
22733996829,35cyclictest14-21ksoftirqd/023:59:440
22733996829,35cyclictest14-21ksoftirqd/023:59:440
22733996810,17cyclictest0-21swapper/021:05:120
22733996810,17cyclictest0-21swapper/021:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional