You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-16 - 10:49
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 rackdslot3.osadl.org (updated Sun Aug 16, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491226159,22phc2sys0-21swapper/319:09:473
229302205172,22sleep00-21swapper/019:05:280
229312203171,21sleep10-21swapper/119:05:301
230372202171,21sleep20-21swapper/219:06:432
821821650,6sleep22358299cyclictest20:50:252
232892161124,13sleep10-21swapper/119:10:011
139391800,2ptp4l391rcuc/322:55:183
16082700,5sleep01605-21latency_hist20:40:010
23581996722,7cyclictest25-21ksoftirqd/119:25:001
2358399660,3cyclictest4926-21chrt21:53:243
23581996123,4cyclictest25-21ksoftirqd/119:28:381
166202610,2sleep20-21swapper/221:10:162
23581996023,3cyclictest25-21ksoftirqd/121:05:581
23580996030,7cyclictest9-21ksoftirqd/019:25:160
23580996028,3cyclictest9-21ksoftirqd/020:50:110
23581995920,7cyclictest25-21ksoftirqd/119:18:521
23580995926,4cyclictest9-21ksoftirqd/022:50:160
23581995722,10cyclictest25-21ksoftirqd/120:45:241
23581995721,7cyclictest25-21ksoftirqd/122:38:051
23581995721,4cyclictest25-21ksoftirqd/122:25:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional