You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-18 - 14:50
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 rackfslot7.osadl.org (updated Thu Dec 18, 2025 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
718049999836,59cyclictest810940-21ntpq21:50:193
718049998042,19cyclictest815037-21wc22:00:023
71804999668,39cyclictest725393-21ntpq19:20:213
71804999657,38cyclictest0-21swapper/322:10:173
71804999656,19cyclictest0-21swapper/300:15:123
718049996041,0cyclictest0-21swapper/300:39:523
71804999591,39cyclictest744900-21taskset19:55:173
71804999580,39cyclictest766296-21munin-run20:35:013
71804999580,38cyclictest879018-21basename23:50:213
718049995618,19cyclictest720861-21munin-run19:15:013
718049995617,39cyclictest856403-21ntp_states23:10:193
718049995617,39cyclictest791925-21taskset21:15:553
718049995515,39cyclictest828084-21ntp_states22:20:213
71804999550,15cyclictest0-21swapper/319:45:513
718049995419,15cyclictest0-21swapper/320:20:273
718049995419,15cyclictest0-21swapper/320:04:013
718049995416,20cyclictest753347-21ntpq20:10:173
718049995416,19cyclictest729295-21munin-run19:30:013
718049995414,39cyclictest0-21swapper/322:59:323
718049995414,39cyclictest0-21swapper/322:59:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional