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2026-08-18 - 00:28
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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 50 highest latencies:
System rackeslot8.osadl.org (updated Mon Aug 17, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2319278993228,1cyclictest0-21swapper/309:40:213
2319278992926,1cyclictest0-21swapper/312:05:003
2319278992724,1cyclictest0-21swapper/311:40:183
2319278992723,1cyclictest0-21swapper/312:00:003
24392472260,6sleep1331ktimers/108:40:191
2319278992522,1cyclictest0-21swapper/309:50:023
2319278992522,1cyclictest0-21swapper/309:10:143
2319278992522,1cyclictest0-21swapper/307:40:203
2319278992513,1cyclictest0-21swapper/308:40:113
2319278992421,1cyclictest0-21swapper/312:35:173
2319278992421,1cyclictest0-21swapper/310:20:273
2319278992421,1cyclictest0-21swapper/310:00:173
2319278992412,0cyclictest0-21swapper/310:39:233
26931242231,9sleep02693250-21ntpq11:25:230
2319278992320,1cyclictest0-21swapper/312:20:253
2319278992320,1cyclictest0-21swapper/311:20:273
2319278992320,1cyclictest0-21swapper/311:00:103
2319278992320,1cyclictest0-21swapper/309:20:193
2319278992219,1cyclictest0-21swapper/309:00:543
2319278992211,1cyclictest0-21swapper/307:50:153
2319278992118,1cyclictest0-21swapper/310:45:253
2319278992118,1cyclictest0-21swapper/308:20:183
2319278992118,1cyclictest0-21swapper/308:00:203
2319278992118,1cyclictest0-21swapper/307:50:013
2319278992017,1cyclictest0-21swapper/311:19:243
2319278992017,1cyclictest0-21swapper/310:40:093
2319278992017,1cyclictest0-21swapper/309:00:003
2319278992017,1cyclictest0-21swapper/308:05:283
2319278992017,1cyclictest0-21swapper/307:20:183
231927899201,15cyclictest2547901-21taskset09:55:203
231927899201,13cyclictest2640743-21taskset10:55:013
231927899200,17cyclictest2334161-21turbostat07:20:003
231927899192,13cyclictest2569510-21taskset10:09:393
2319278991916,1cyclictest0-21swapper/312:10:233
2319278991916,1cyclictest0-21swapper/311:25:203
2319278991916,1cyclictest0-21swapper/309:25:133
231927899191,14cyclictest2576008-21taskset10:11:023
231927899182,12cyclictest2411083-21taskset08:18:003
2319278991816,1cyclictest0-21swapper/311:35:183
2319278991815,1cyclictest0-21swapper/309:35:173
231927899181,13cyclictest2797170-21taskset12:34:123
231927899181,13cyclictest2788590-21taskset12:27:033
231927899181,13cyclictest2773754-21taskset12:19:383
231927899181,13cyclictest2734692-21taskset11:54:553
231927899181,13cyclictest2661878-21taskset11:05:233
231927899181,13cyclictest2600019-21taskset10:26:383
231927899181,13cyclictest2404508-21taskset08:10:393
231927899181,12cyclictest2340874-21chrt07:25:133
231927899180,13cyclictest2359878-21taskset07:39:573
277391221713,2sleep2874-21rs:main2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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