You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-08-29 - 14:40
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 rack0slot0.osadl.org (updated Fri Aug 29, 2025 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1303821110,0sleep40-21swapper/409:35:124
203842850,1sleep50-21swapper/510:52:475
226272830,0sleep20-21swapper/212:31:572
26122810,1sleep30-21swapper/310:55:013
209722790,0sleep30-21swapper/311:26:023
312082740,0sleep60-21swapper/611:51:146
251602740,0sleep40-21swapper/411:26:434
239772740,0sleep00-21swapper/010:19:480
314982730,1sleep10-21swapper/112:05:191
310062730,0sleep50-21swapper/511:55:535
168132730,0sleep30-21swapper/311:49:183
162502720,1sleep6671rcuc/609:50:056
162502720,1sleep6671rcuc/609:50:056
50492700,0sleep60-21swapper/611:42:486
50492700,0sleep60-21swapper/611:42:486
216262700,0sleep30-21swapper/309:41:033
150802700,1sleep0121rcuc/008:25:210
317752690,0sleep00-21swapper/010:54:330
243132690,0sleep10-21swapper/112:32:121
18802690,0sleep10-21swapper/109:33:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional