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2026-03-20 - 15:30
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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 100 highest latencies:
System rack0slot0.osadl.org (updated Fri Mar 20, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2774721190,0sleep00-21swapper/009:43:340
208352870,1sleep40-21swapper/410:53:504
248782750,0sleep10-21swapper/110:25:431
132332750,1sleep233-21ksoftirqd/211:06:562
271752740,1sleep00-21swapper/011:56:470
127202740,1sleep51012-21runrttasks09:27:055
306582730,0sleep4491rcuc/412:16:304
226922730,0sleep40-21swapper/410:25:224
185132730,1sleep40-21swapper/411:45:534
106522710,0sleep30-21swapper/310:00:043
152462700,0sleep50-21swapper/510:38:465
3432690,0sleep00-21swapper/012:16:500
297552690,0sleep30-21swapper/310:55:113
164162660,0sleep10-21swapper/112:09:461
61342610,0sleep00-21swapper/011:34:430
261382600,2sleep63096499cyclictest10:40:156
3055525949,6sleep30-21swapper/307:08:103
3055525949,6sleep30-21swapper/307:08:103
3063325848,6sleep50-21swapper/507:09:095
3063325848,6sleep50-21swapper/507:09:095
3057425747,6sleep40-21swapper/407:08:284
3057425747,6sleep40-21swapper/407:08:284
3064625241,7sleep00-21swapper/007:09:200
3064625241,7sleep00-21swapper/007:09:200
3055825040,6sleep60-21swapper/607:08:136
3055825040,6sleep60-21swapper/607:08:136
3054924736,7sleep70-21swapper/707:08:067
3054924736,7sleep70-21swapper/707:08:067
30242440,0sleep40-21swapper/412:31:374
3069424332,7sleep10-21swapper/107:09:531
3069424332,7sleep10-21swapper/107:09:531
3051524231,7sleep20-21swapper/207:07:372
3051524231,7sleep20-21swapper/207:07:372
172392420,0sleep10-21swapper/109:32:301
30943994018,18cyclictest0-21swapper/311:21:173
3094399373,31cyclictest0-21swapper/309:29:343
30943993413,19cyclictest0-21swapper/311:12:373
199352330,0sleep70-21swapper/707:50:207
3094399292,21cyclictest0-21swapper/307:23:533
3094399273,19cyclictest0-21swapper/308:25:213
3094399273,18cyclictest0-21swapper/308:57:383
3097199263,19cyclictest0-21swapper/707:23:107
3096499264,21cyclictest0-21swapper/608:25:486
3094399260,18cyclictest0-21swapper/308:19:353
3093899264,20cyclictest0-21swapper/208:03:472
3093199263,18cyclictest0-21swapper/107:17:551
3097199253,21cyclictest0-21swapper/708:04:207
3096499253,20cyclictest0-21swapper/607:17:036
3095999253,21cyclictest0-21swapper/511:14:495
3095999253,21cyclictest0-21swapper/510:17:515
3095999253,21cyclictest0-21swapper/509:10:555
3095999251,23cyclictest0-21swapper/508:18:205
3094399257,15cyclictest0-21swapper/309:38:073
3094399253,21cyclictest0-21swapper/309:30:383
3094399253,19cyclictest0-21swapper/312:26:093
3094399251,21cyclictest0-21swapper/307:12:343
3094399250,22cyclictest0-21swapper/308:41:423
3094399250,22cyclictest0-21swapper/308:41:423
3094399250,22cyclictest0-21swapper/307:51:393
3094399250,20cyclictest0-21swapper/311:00:153
3094399250,20cyclictest0-21swapper/310:39:043
3094399250,20cyclictest0-21swapper/309:06:513
3094399250,20cyclictest0-21swapper/308:23:473
3094399250,20cyclictest0-21swapper/308:12:453
3094399250,20cyclictest0-21swapper/308:03:433
3094399250,20cyclictest0-21swapper/307:45:333
3094399250,20cyclictest0-21swapper/307:41:013
3094399250,20cyclictest0-21swapper/307:18:593
3094399250,19cyclictest0-21swapper/308:39:153
3094399250,19cyclictest0-21swapper/308:39:153
3094399250,19cyclictest0-21swapper/308:09:073
3093199253,20cyclictest0-21swapper/107:46:581
3092599253,21cyclictest0-21swapper/012:03:270
3096499243,20cyclictest0-21swapper/611:33:536
3096499243,20cyclictest0-21swapper/607:11:096
3095999244,18cyclictest0-21swapper/512:31:075
3094399243,19cyclictest0-21swapper/312:31:373
3094399243,19cyclictest0-21swapper/307:57:593
3094399243,18cyclictest0-21swapper/309:46:343
3094399243,18cyclictest0-21swapper/309:46:343
3094399243,18cyclictest0-21swapper/308:45:203
3094399243,18cyclictest0-21swapper/307:27:333
3094399243,15cyclictest0-21swapper/311:07:433
3094399242,21cyclictest0-21swapper/309:15:493
3094399242,19cyclictest0-21swapper/308:51:343
3094399240,22cyclictest0-21swapper/312:00:433
3094399240,21cyclictest0-21swapper/312:21:353
3094399240,20cyclictest0-21swapper/310:48:553
3094399240,20cyclictest0-21swapper/309:11:203
3094399240,19cyclictest0-21swapper/312:39:493
3094399240,19cyclictest0-21swapper/311:25:333
3094399240,19cyclictest0-21swapper/310:15:503
3094399240,19cyclictest0-21swapper/309:04:523
3094399240,19cyclictest0-21swapper/307:37:373
3094399240,19cyclictest0-21swapper/307:31:533
3093899243,20cyclictest0-21swapper/212:18:392
3093899243,17cyclictest0-21swapper/211:44:562
3093899240,20cyclictest0-21swapper/208:23:392
41182230,1sleep00-21swapper/010:08:350
3097199234,18cyclictest0-21swapper/708:34:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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