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2026-05-13 - 19:52
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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
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Wed May 13, 2026 12:46:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219245799341340,1cyclictest2373462-21kworker/0:210:15:010
219245799341339,1cyclictest2373462-21kworker/0:212:01:010
219248999340339,1cyclictest0-21swapper/410:15:014
219245799340339,1cyclictest2373462-21kworker/0:207:40:020
219245799340339,1cyclictest0-21swapper/008:35:020
219245799340338,1cyclictest2373462-21kworker/0:211:35:020
219248999339338,1cyclictest0-21swapper/407:40:024
219245799339338,1cyclictest0-21swapper/011:05:010
219248999338337,1cyclictest2280520-21kworker/4:211:05:024
219248999338337,1cyclictest2214338-21kworker/4:108:35:024
219248999338337,1cyclictest0-21swapper/412:01:024
219245799338337,1cyclictest2373462-21kworker/0:212:10:020
219245799338337,1cyclictest2373462-21kworker/0:212:05:020
219245799338337,1cyclictest0-21swapper/012:35:010
219245799338337,1cyclictest0-21swapper/011:15:020
219245799338337,1cyclictest0-21swapper/010:45:020
219245799338337,1cyclictest0-21swapper/009:05:020
219245799338337,1cyclictest0-21swapper/008:50:010
219245799338337,1cyclictest0-21swapper/008:15:020
219245799338337,1cyclictest0-21swapper/007:30:020
219245799338336,1cyclictest0-21swapper/007:10:020
219248999337336,1cyclictest2280520-21kworker/4:211:15:024
219248999337336,1cyclictest2280520-21kworker/4:210:45:014
219248999337336,1cyclictest2214338-21kworker/4:108:50:024
219248999337336,1cyclictest2214338-21kworker/4:108:15:024
219248999337336,1cyclictest0-21swapper/412:10:014
219248999337336,1cyclictest0-21swapper/411:35:014
219245799337336,1cyclictest2373462-21kworker/0:209:49:020
219245799337336,1cyclictest2373462-21kworker/0:209:49:020
219245799337336,1cyclictest0-21swapper/010:54:020
219245799337336,1cyclictest0-21swapper/007:26:020
219248999336335,1cyclictest2490954-21kworker/4:207:30:014
219248999336335,1cyclictest2382807-21kworker/4:112:35:014
219248999336335,1cyclictest2214338-21kworker/4:109:05:024
219248999336335,1cyclictest0-21swapper/412:05:014
219245799336335,1cyclictest2373462-21kworker/0:210:29:020
219245799336335,1cyclictest2373462-21kworker/0:210:20:020
219245799336335,1cyclictest0-21swapper/009:38:020
219245799336335,1cyclictest0-21swapper/009:22:020
219245799336335,1cyclictest0-21swapper/008:21:010
219245799336334,1cyclictest2373462-21kworker/0:208:57:010
219245799336334,1cyclictest2373462-21kworker/0:208:31:020
219248999335334,1cyclictest2490954-21kworker/4:207:26:024
219248999335334,1cyclictest2490954-21kworker/4:207:10:014
219248999335334,1cyclictest2280520-21kworker/4:210:54:024
219248999335334,1cyclictest2214338-21kworker/4:109:22:014
219248999335334,1cyclictest0-21swapper/410:29:014
219248999335334,1cyclictest0-21swapper/410:20:024
219248999335334,1cyclictest0-21swapper/409:49:014
219248999335334,1cyclictest0-21swapper/409:49:014
219248999335333,1cyclictest0-21swapper/408:44:024
219245799335334,1cyclictest2373462-21kworker/0:212:23:020
219245799335334,1cyclictest0-21swapper/012:27:020
219245799335334,1cyclictest0-21swapper/008:48:010
219245799335334,1cyclictest0-21swapper/008:42:010
219248999334333,1cyclictest2214338-21kworker/4:109:38:014
219248999334333,1cyclictest2214338-21kworker/4:108:21:024
219248999334333,1cyclictest0-21swapper/412:23:014
219248999334333,1cyclictest0-21swapper/408:31:024
219248999334332,1cyclictest2382807-21kworker/4:112:27:014
219248999334332,1cyclictest0-21swapper/408:09:014
219245799334333,1cyclictest2373462-21kworker/0:211:56:010
219245799334333,1cyclictest2373462-21kworker/0:208:09:020
219245799334333,1cyclictest2373462-21kworker/0:207:24:020
219245799334333,1cyclictest0-21swapper/010:59:020
219245799334333,1cyclictest0-21swapper/010:01:020
219245799334333,1cyclictest0-21swapper/007:56:010
219245799334332,1cyclictest0-21swapper/011:47:010
219248999333332,1cyclictest2214338-21kworker/4:108:48:024
219248999333332,1cyclictest0-21swapper/408:57:024
219248999333332,1cyclictest0-21swapper/407:24:024
219248999333331,1cyclictest2280520-21kworker/4:210:01:014
219248999333331,1cyclictest0-21swapper/410:09:024
219245799333332,1cyclictest2373462-21kworker/0:210:09:020
219245799333332,1cyclictest0-21swapper/009:34:020
219245799333332,1cyclictest0-21swapper/008:29:010
219245799333332,1cyclictest0-21swapper/007:51:010
219248999332331,1cyclictest2292561-21kworker/4:010:59:024
219248999332331,1cyclictest2214338-21kworker/4:107:56:024
219248999332331,1cyclictest0-21swapper/411:56:024
219248999332330,1cyclictest2214338-21kworker/4:108:29:024
219245799332331,1cyclictest2373462-21kworker/0:210:44:020
219245799332331,1cyclictest0-21swapper/009:53:020
219245799332331,1cyclictest0-21swapper/007:37:020
219248999331330,1cyclictest2490954-21kworker/4:207:37:024
219248999331330,1cyclictest2280520-21kworker/4:211:47:024
219248999331330,1cyclictest2214338-21kworker/4:109:34:014
219248999331330,1cyclictest2214338-21kworker/4:107:51:024
219248999331330,1cyclictest0-21swapper/410:44:014
219248999330329,1cyclictest2280520-21kworker/4:209:53:014
219250299326325,1cyclictest0-21swapper/607:28:026
219250299325324,1cyclictest2265480-21kworker/6:010:56:026
219250299325324,1cyclictest0-21swapper/607:50:026
219250299325324,1cyclictest0-21swapper/607:15:026
219250299322321,1cyclictest0-21swapper/610:50:026
219250299322320,1cyclictest0-21swapper/611:25:016
219250299321320,1cyclictest0-21swapper/612:25:026
219250299321320,1cyclictest0-21swapper/611:55:016
219250299321320,1cyclictest0-21swapper/608:01:016
219250299320319,1cyclictest2226373-21kworker/6:208:40:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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