You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-25 - 23:05
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
Characteristics of the 20 highest latencies:
System rackcslot4.osadl.org (updated Thu Dec 25, 2025 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27121342261188,58sleep10-21swapper/107:09:591
27117542250181,55sleep00-21swapper/007:05:520
28000692610,4sleep10-21swapper/110:50:131
179699570,3rtkit-daemon1795-21rtkit-daemon10:45:120
179699540,4rtkit-daemon1795-21rtkit-daemon08:46:440
179699530,4rtkit-daemon1795-21rtkit-daemon09:01:130
179699530,4rtkit-daemon1795-21rtkit-daemon08:53:390
179699520,4rtkit-daemon1795-21rtkit-daemon08:42:070
179699520,3rtkit-daemon0-21swapper/108:17:141
179699510,4rtkit-daemon1795-21rtkit-daemon09:12:480
179699510,4rtkit-daemon1795-21rtkit-daemon07:34:040
179699490,3rtkit-daemon0-21swapper/107:59:141
179699480,4rtkit-daemon1795-21rtkit-daemon11:27:080
179699480,4rtkit-daemon1795-21rtkit-daemon09:36:470
2712249994611,13cyclictest2833421-21seq12:14:061
2712249994611,13cyclictest2819278-21taskset11:39:211
2712249994611,13cyclictest2779503-21seq09:59:471
2712249994610,12cyclictest2787843-21seq10:16:511
179699460,4rtkit-daemon1795-21rtkit-daemon11:01:431
2712249994510,13cyclictest2720422-21seq07:28:341
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional