You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-21 - 22:03
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 Tue Jul 21, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2147022997141,28cyclictest2192811-21kworker/1:109:20:171
214702299700,4cyclictest2149724-21fschecks_time07:15:151
2147022996940,28cyclictest2250712-21kworker/1:210:30:001
2147022996938,29cyclictest2192811-21kworker/1:109:25:151
214702299681,3cyclictest2323660-21kworker/1:011:45:011
2147022996634,30cyclictest2317524-21kworker/1:111:45:151
2147022996536,14cyclictest41282-1kworker/1:2H07:44:191
2147022996462,1cyclictest0-21swapper/109:49:251
2147022996433,15cyclictest2245263-21kworker/1:110:20:121
214702299641,2cyclictest0-21swapper/109:33:281
2147016996449,12cyclictest2207670-1kworker/0:1H12:05:130
2147022996338,23cyclictest41282-1kworker/1:2H09:00:011
2147022996233,27cyclictest41282-1kworker/1:2H09:09:591
214702299620,61cyclictest0-21swapper/108:50:231
2147022996136,15cyclictest2358637-21kworker/1:312:20:141
2147022996041,18cyclictest2240282-21kworker/1:310:10:201
2147022995943,15cyclictest2292831-21kworker/1:111:14:551
2147022995843,14cyclictest2202461-21kworker/1:209:38:251
2147022995831,19cyclictest2184847-21kworker/1:009:15:161
2147022995742,14cyclictest41282-1kworker/1:2H09:04:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional