You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-01-11 - 19:10
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 rackfslot7.osadl.org (updated Sun Jan 11, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1707717999517,59cyclictest1760292-21/usr/sbin/munin08:40:212
170771799856,59cyclictest1744659-21munin-run08:15:012
170771799791,61cyclictest0-21swapper/209:47:122
1707717997820,19cyclictest0-21swapper/207:10:172
1707717997133,19cyclictest1840730-21basename11:05:132
170771799655,22cyclictest1862804-21taskset11:43:592
170771799635,38cyclictest0-21swapper/210:36:492
1707717996326,18cyclictest1772747-21kworker/2:2+cgroup_destroy09:45:012
1707717996123,2cyclictest18571282sleep211:33:582
1707717995920,39cyclictest0-21swapper/208:52:132
170771799591,19cyclictest1747484-21munin-run08:20:012
1707717995820,38cyclictest0-21swapper/207:34:492
1707717995719,38cyclictest0-21swapper/207:47:312
1707717995618,19cyclictest1776215-21df09:10:132
1707717995618,19cyclictest1-21systemd10:45:012
1707720995517,19cyclictest681rcuc/511:10:165
1707717995514,39cyclictest1857715-21/usr/sbin/munin11:35:172
1707717995434,19cyclictest1853181-21meminfo11:25:192
1707717995419,15cyclictest0-21swapper/207:54:132
1707717995416,38cyclictest17555202sleep208:33:572
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional