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2025-05-16 - 01:18
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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 rackeslot2.osadl.org (updated Thu May 15, 2025 12:43:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
394644622340,2sleep30-21swapper/310:10:233
377582321090,2sleep30-21swapper/308:15:283
40106832320,2sleep20-21swapper/210:45:282
3689359992817,7cyclictest3895581-21kthreadcore09:40:270
25010912718,4phc2sys0-21swapper/312:38:103
25010912618,2phc2sys0-21swapper/311:36:493
25010912517,2phc2sys0-21swapper/309:11:063
3689360992418,4cyclictest0-21swapper/110:45:011
25010912418,2phc2sys0-21swapper/312:27:083
25010912418,2phc2sys0-21swapper/311:27:593
25010912418,2phc2sys0-21swapper/310:25:513
25010912418,2phc2sys0-21swapper/309:40:423
25010912418,2phc2sys0-21swapper/309:37:493
25010912418,2phc2sys0-21swapper/309:06:513
25010912418,2phc2sys0-21swapper/308:45:273
25010912418,2phc2sys0-21swapper/308:35:213
25010912417,2phc2sys0-21swapper/312:15:343
25010912417,2phc2sys0-21swapper/312:04:153
25010912417,2phc2sys0-21swapper/310:53:103
25010912417,2phc2sys0-21swapper/309:33:533
25010912318,3phc2sys0-21swapper/312:13:433
25010912318,3phc2sys0-21swapper/311:48:483
25010912318,3phc2sys0-21swapper/311:48:473
25010912318,3phc2sys0-21swapper/311:31:203
25010912318,3phc2sys0-21swapper/311:17:573
25010912318,3phc2sys0-21swapper/311:07:473
25010912318,3phc2sys0-21swapper/310:57:493
25010912318,3phc2sys0-21swapper/309:25:053
25010912317,2phc2sys0-21swapper/312:06:003
25010912317,2phc2sys0-21swapper/311:54:573
25010912317,2phc2sys0-21swapper/311:44:203
25010912317,2phc2sys0-21swapper/310:43:003
25010912317,2phc2sys0-21swapper/310:35:413
25010912317,2phc2sys0-21swapper/310:31:583
25010912317,2phc2sys0-21swapper/310:23:083
25010912317,2phc2sys0-21swapper/310:01:353
25010912317,2phc2sys0-21swapper/309:53:453
25010912317,2phc2sys0-21swapper/309:45:223
25010912317,2phc2sys0-21swapper/308:57:133
25010912317,2phc2sys0-21swapper/308:10:543
25010912317,2phc2sys0-21swapper/308:01:433
25010912317,2phc2sys0-21swapper/307:52:453
25010912317,2phc2sys0-21swapper/307:48:373
25010912317,2phc2sys0-21swapper/307:37:553
25010912317,2phc2sys0-21swapper/307:30:093
25010912317,2phc2sys0-21swapper/307:28:333
25010912317,2phc2sys0-21swapper/307:20:153
25010912317,2phc2sys0-21swapper/307:15:553
414501022218,2sleep20-21swapper/212:03:212
407273622218,2sleep20-21swapper/211:20:332
399604422218,2sleep20-21swapper/210:39:442
392576522218,2sleep20-21swapper/209:59:322
390136622218,2sleep20-21swapper/209:45:252
387039122218,2sleep20-21swapper/209:25:412
3689361992219,1cyclictest0-21swapper/211:40:002
3689360992216,2cyclictest178850irq/121-eno110:20:011
3689359992218,2cyclictest0-21swapper/011:00:020
295722218,2sleep30-21swapper/312:30:393
25010912217,3phc2sys0-21swapper/310:17:173
25010912217,3phc2sys0-21swapper/310:06:463
25010912217,3phc2sys0-21swapper/309:00:063
25010912217,3phc2sys0-21swapper/308:50:323
25010912217,3phc2sys0-21swapper/308:42:103
25010912217,3phc2sys0-21swapper/307:11:093
25010912217,2phc2sys0-21swapper/307:41:393
418923622117,2sleep20-21swapper/212:27:292
416253022117,2sleep20-21swapper/212:12:472
414681722118,2sleep20-21swapper/212:05:172
413585822117,2sleep20-21swapper/211:57:522
412609422117,2sleep20-21swapper/211:51:342
411721522117,2sleep20-21swapper/211:46:252
411721522117,2sleep20-21swapper/211:46:252
407591922117,2sleep20-21swapper/211:25:172
406572622117,2sleep20-21swapper/211:18:282
405614422117,2sleep20-21swapper/211:12:162
400387722117,2sleep20-21swapper/210:43:062
395068322117,2sleep20-21swapper/210:12:162
393623622117,2sleep20-21swapper/210:05:212
393334622117,2sleep20-21swapper/210:02:342
392573322118,2sleep30-21swapper/309:59:293
388833722117,2sleep20-21swapper/209:35:592
388093422117,2sleep20-21swapper/209:33:162
384417922117,2sleep20-21swapper/209:11:242
383172722117,2sleep20-21swapper/209:05:022
380682222117,2sleep20-21swapper/208:44:472
379575922117,2sleep20-21swapper/208:35:202
375961522117,2sleep30-21swapper/308:05:243
375961522117,2sleep30-21swapper/308:05:233
375170022117,2sleep20-21swapper/207:55:292
3689360992118,2cyclictest3695635-21apt-key07:15:001
3689359992115,5cyclictest3912159-21kthreadcore09:50:260
3689359992110,6cyclictest4169778-21unixbench-2d12:15:310
330722117,2sleep20-21swapper/212:31:142
25010912117,2phc2sys0-21swapper/312:22:033
25010912117,2phc2sys0-21swapper/311:58:323
25010912117,2phc2sys0-21swapper/310:47:493
25010912116,3phc2sys0-21swapper/309:16:163
383754522017,2sleep20-21swapper/209:08:462
382518722017,2sleep20-21swapper/208:58:482
381889722017,2sleep20-21swapper/208:50:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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