You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-30 - 12:24
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 Apr 30, 2026 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32686542313272,27sleep00-21swapper/019:08:420
32684082313271,28sleep10-21swapper/119:06:031
179699630,3rtkit-daemon1795-21rtkit-daemon21:49:220
33322592620,4sleep03268907-21cyclictest21:26:420
34392182550,2sleep00-21swapper/000:17:180
179699520,4rtkit-daemon1795-21rtkit-daemon22:02:241
179699520,4rtkit-daemon1795-21rtkit-daemon21:05:361
33450872510,4sleep00-21swapper/021:44:360
179699480,4rtkit-daemon1795-21rtkit-daemon00:01:551
179699470,4rtkit-daemon1795-21rtkit-daemon23:04:531
179699460,4rtkit-daemon1795-21rtkit-daemon20:18:511
179699380,6rtkit-daemon1795-21rtkit-daemon23:10:120
179699380,6rtkit-daemon1795-21rtkit-daemon00:20:140
33256132370,3chrt0-21swapper/121:18:321
326891499370,35cyclictest0-21swapper/119:15:171
179699360,3rtkit-daemon0-21swapper/123:05:010
179699360,3rtkit-daemon0-21swapper/023:37:230
179699350,5rtkit-daemon3366017-21ssh22:16:010
179699350,5rtkit-daemon1795-21rtkit-daemon19:20:110
179699350,4rtkit-daemon1795-21rtkit-daemon23:10:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional