You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-13 - 11:50
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
Characteristics of the 50 highest latencies:
System rackdslot3.osadl.org (updated Sun Jul 13, 2025 00:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
137191228168,50phc2sys0-21swapper/319:06:553
114702207173,22sleep10-21swapper/119:06:571
114712205172,22sleep20-21swapper/219:06:582
115702200167,22sleep00-21swapper/019:08:090
2606521310,3sleep10-21swapper/123:00:211
1200899792,75cyclictest19187-21kworker/1:219:46:471
1200899680,48cyclictest10415-21kworker/1:123:16:081
136991600,1ptp4l401ktimersoftd/319:36:243
136991600,1ptp4l401ktimersoftd/319:36:243
129772600,3sleep312958-21systemctl20:19:593
1371915737,10phc2sys0-21swapper/319:10:013
167092540,4sleep21200999cyclictest20:25:212
44172520,2sleep00-21swapper/022:15:230
131982510,2sleep10-21swapper/123:40:241
12007995011,27cyclictest22554-21seq20:38:190
3712470,1sleep00-21swapper/023:15:160
12009994631,12cyclictest33-21ksoftirqd/200:04:592
326522440,1sleep20-21swapper/223:15:142
12009994429,12cyclictest33-21ksoftirqd/222:25:312
12009994338,3cyclictest33-21ksoftirqd/219:20:002
12009994330,11cyclictest33-21ksoftirqd/223:05:002
12007994338,3cyclictest12946-21idleruntime-cro20:20:000
136991420,1ptp4l401ktimersoftd/321:48:223
136991420,0ptp4l401ktimersoftd/300:14:563
12009994112,4cyclictest33-21ksoftirqd/221:25:142
136991400,0ptp4l401ktimersoftd/320:50:143
1200999406,3cyclictest33-21ksoftirqd/200:25:132
1200999405,6cyclictest33-21ksoftirqd/223:40:012
12009994035,3cyclictest33-21ksoftirqd/200:40:002
12009994033,4cyclictest4591-21cron21:10:002
1200899404,35cyclictest19187-21kworker/1:219:36:471
1200899404,35cyclictest19187-21kworker/1:219:36:461
1200899404,35cyclictest19187-21kworker/1:219:34:151
136991390,16ptp4l401ktimersoftd/319:54:213
12009993934,3cyclictest33-21ksoftirqd/222:45:002
12009993934,3cyclictest33-21ksoftirqd/222:35:002
12009993934,3cyclictest33-21ksoftirqd/222:15:012
12008993932,4cyclictest22408-21cron22:55:011
124042380,4sleep312403-21tail22:30:313
1200999384,3cyclictest33-21ksoftirqd/222:45:192
1200999384,3cyclictest33-21ksoftirqd/222:45:192
1200999383,4cyclictest33-21ksoftirqd/221:49:592
12009993834,2cyclictest33-21ksoftirqd/221:05:002
12009993833,3cyclictest33-21ksoftirqd/223:14:592
12009993832,3cyclictest33-21ksoftirqd/222:25:002
12009993832,3cyclictest33-21ksoftirqd/220:20:012
12009993832,3cyclictest33-21ksoftirqd/220:10:172
12009993827,9cyclictest33-21ksoftirqd/223:45:322
136991370,0ptp4l401ktimersoftd/300:00:273
12010993732,3cyclictest41-21ksoftirqd/322:15:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional