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2026-05-04 - 22:24
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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 highest latencies:
System rack1slot3.osadl.org (updated Mon May 04, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
438180991810,6cyclictest0-21swapper/312:00:103
43818099140,12cyclictest0-21swapper/309:45:133
43818099140,11cyclictest0-21swapper/311:20:133
43818099130,12cyclictest0-21swapper/311:05:143
43818099130,12cyclictest0-21swapper/309:05:133
43818099128,0cyclictest0-21swapper/309:15:123
43818099120,8cyclictest0-21swapper/310:10:123
43818099120,1cyclictest0-21swapper/309:15:013
43818099120,1cyclictest0-21swapper/307:30:113
43818099120,11cyclictest0-21swapper/307:15:013
43818099119,1cyclictest0-21swapper/311:00:123
438180991110,0cyclictest0-21swapper/309:25:113
438180991110,0cyclictest0-21swapper/307:35:143
43818099110,10cyclictest0-21swapper/311:55:133
43818099110,10cyclictest0-21swapper/309:39:233
43818099110,0cyclictest0-21swapper/311:50:133
43818099110,0cyclictest0-21swapper/308:30:123
43818099110,0cyclictest0-21swapper/308:20:123
43818099110,0cyclictest0-21swapper/307:25:123
43818099109,0cyclictest0-21swapper/311:48:233
43818099109,0cyclictest0-21swapper/311:10:123
43818099109,0cyclictest0-21swapper/310:35:113
43818099109,0cyclictest0-21swapper/309:50:143
438180991010,0cyclictest0-21swapper/312:30:133
438180991010,0cyclictest0-21swapper/312:25:133
438180991010,0cyclictest0-21swapper/310:51:573
43818099100,9cyclictest0-21swapper/310:55:173
43818099100,9cyclictest0-21swapper/309:20:123
43818099100,9cyclictest0-21swapper/308:50:153
43818099100,0cyclictest0-21swapper/310:20:123
43818099100,0cyclictest0-21swapper/308:40:133
4381809999,0cyclictest0-21swapper/310:45:153
4381809999,0cyclictest0-21swapper/310:45:143
4381809999,0cyclictest0-21swapper/309:00:013
4381809999,0cyclictest0-21swapper/308:35:113
4381809999,0cyclictest0-21swapper/307:15:003
4381809998,0cyclictest0-21swapper/310:30:183
4381809990,9cyclictest0-21swapper/311:25:113
4381809990,8cyclictest0-21swapper/308:15:193
4381809990,8cyclictest0-21swapper/307:45:173
4381809988,0cyclictest0-21swapper/312:15:123
4381809988,0cyclictest0-21swapper/310:40:133
4381809988,0cyclictest0-21swapper/310:25:133
4381809988,0cyclictest0-21swapper/310:15:133
4381809988,0cyclictest0-21swapper/309:59:263
4381809988,0cyclictest0-21swapper/307:40:163
4381809987,0cyclictest0-21swapper/307:20:153
4381809980,7cyclictest0-21swapper/310:00:183
4381809980,0cyclictest0-21swapper/308:05:193
436248281,4sleep30-21swapper/307:05:123
4381809977,0cyclictest0-21swapper/312:10:013
4381809977,0cyclictest0-21swapper/311:42:593
4381809977,0cyclictest0-21swapper/311:39:323
4381809977,0cyclictest0-21swapper/309:34:553
4381809977,0cyclictest0-21swapper/307:50:163
4381809976,0cyclictest0-21swapper/312:23:043
4381809975,1cyclictest0-21swapper/312:05:113
4381809970,6cyclictest0-21swapper/310:05:113
4381809966,0cyclictest0-21swapper/309:40:153
4381809960,0cyclictest0-21swapper/312:35:193
437178262,2sleep2437329-21sort07:05:192
4381809955,0cyclictest0-21swapper/311:18:233
4381809955,0cyclictest0-21swapper/309:00:113
4381809955,0cyclictest0-21swapper/308:00:123
4381809950,4cyclictest0-21swapper/311:34:243
4381809950,0cyclictest0-21swapper/308:45:203
444954240,2sleep0444980-21apt-get07:25:120
439087240,3sleep2439234-21/usr/sbin/munin07:10:172
4381809940,3cyclictest468736-21chrt08:25:123
4381809940,2cyclictest0-21swapper/308:10:123
4381809940,2cyclictest0-21swapper/307:55:103
436413241,1sleep10-21swapper/107:05:141
565237230,1sleep2565263-21apt-get12:20:112
561948230,2sleep2562114-21timerandwakeup12:10:192
522981230,1sleep1523007-21apt-get10:40:121
520879231,0sleep1520905-21apt-get10:35:111
513297230,2sleep0513389-21ps10:15:170
491599230,1sleep1491625-21apt-get09:25:121
477889230,1sleep1477915-21apt-get08:50:091
436244231,1sleep00-21swapper/007:05:090
572926220,0sleep00-21swapper/012:36:340
570717222,0sleep1351ktimers/112:30:271
566994220,0sleep10-21swapper/112:24:221
560541220,0sleep0560560-21apt-get12:10:010
560517220,0sleep20-21swapper/212:09:502
560056220,0sleep00-21swapper/012:05:400
547345220,1sleep10-21swapper/111:36:241
541018220,1sleep00-21swapper/011:20:380
529256220,1sleep1529375-21aten2.4-expect10:55:141
527138220,0sleep00-21swapper/010:50:070
526449220,0sleep00-21swapper/010:46:040
526449220,0sleep00-21swapper/010:46:030
526357220,1sleep2526369-21ssh10:45:222
526357220,1sleep2526369-21ssh10:45:212
516900221,0sleep0171ktimers/010:25:140
511385220,1sleep2511591-21wc10:10:192
506378220,1sleep1506580-21sort10:00:131
503381220,0sleep00-21swapper/009:52:250
497166220,1sleep20-21swapper/209:37:542
493748220,1sleep2494016-21df09:30:122
491144220,0sleep20-21swapper/209:22:572
488536220,1sleep2488797-21sed09:15:192
487152220,1sleep00-21swapper/009:13:180
484285220,1sleep0484421-21ntpq09:05:170
468448220,1sleep2468735-21df08:25:122
465893220,0sleep00-21swapper/008:16:540
460799220,1sleep0461071-21df08:05:140
454258220,1sleep2454259-21sshd07:48:222
451604220,1sleep2451769-21mailstats07:40:192
451425220,1sleep0451575-21ntp_states07:40:170
445633220,1sleep1445726-21ntp_states07:25:171
442774220,1sleep1442776-21cron07:19:591
571928210,0sleep10-21swapper/112:35:151
571484210,0sleep20-21swapper/212:35:132
569433210,0sleep00-21swapper/012:30:140
569072210,0sleep10-21swapper/112:29:241
568918210,0sleep20-21swapper/212:28:012
568042210,0sleep00-21swapper/012:25:180
566020210,0sleep00-21swapper/012:20:170
564022210,0sleep20-21swapper/212:15:192
563713210,0sleep00-21swapper/012:15:180
563225210,0sleep10-21swapper/112:15:151
562382210,0sleep10-21swapper/112:10:341
560218210,0sleep10-21swapper/112:07:091
558103210,0sleep20-21swapper/212:01:512
556754210,0sleep00-21swapper/012:00:130
556095210,0sleep10-21swapper/112:00:021
555824210,0sleep10-21swapper/111:57:381
555603210,0sleep20-21swapper/211:55:392
554265210,0sleep00-21swapper/011:55:120
553160210,0sleep10-21swapper/111:50:201
553011210,0sleep00-21swapper/011:50:190
552189210,0sleep20-21swapper/211:50:132
551713210,0sleep10-21swapper/111:48:051
551408210,0sleep20-21swapper/211:45:222
551070210,0sleep00-21swapper/011:45:200
548786210,0sleep10-21swapper/111:40:161
548026210,0sleep00-21swapper/011:40:110
548019210,0sleep20-21swapper/211:40:092
547619210,0sleep00-21swapper/011:38:510
545923210,0sleep2545953-21apt-get11:35:122
545375210,0sleep10-21swapper/111:32:241
545311210,0sleep20-21swapper/211:31:492
545204210,0sleep00-21swapper/011:30:500
543338210,0sleep20-21swapper/211:27:482
542722210,0sleep00-21swapper/011:25:180
541757210,0sleep10-21swapper/111:25:111
541162210,0sleep20-21swapper/211:21:562
538863210,0sleep10-21swapper/111:15:221
537576210,0sleep00-21swapper/011:15:130
537201210,0sleep10-21swapper/111:13:581
536142210,0sleep0536268-21ntp_states11:10:180
535928210,0sleep20-21swapper/211:10:152
534522210,0sleep10-21swapper/111:05:221
534351210,1sleep00-21swapper/011:05:210
533504210,0sleep20-21swapper/211:05:152
532954210,0sleep20-21swapper/211:03:102
532935210,0sleep10-21swapper/111:03:011
530828210,0sleep00-21swapper/010:58:010
529010210,0sleep20-21swapper/210:55:022
527864210,0sleep10-21swapper/110:50:171
526893210,0sleep20-21swapper/210:50:022
526884210,0sleep10-21swapper/110:49:571
526884210,0sleep10-21swapper/110:49:561
523838210,0sleep00-21swapper/010:40:190
523695210,0sleep20-21swapper/210:40:182
521842210,0sleep00-21swapper/010:35:190
521558210,0sleep20-21swapper/210:35:162
520623210,0sleep00-21swapper/010:34:590
519541210,0sleep20-21swapper/210:30:172
518021210,0sleep10-21swapper/110:25:231
516715210,0sleep20-21swapper/210:25:122
516149210,0sleep10-21swapper/110:22:161
515674210,0sleep20-21swapper/210:20:202
514630210,0sleep00-21swapper/010:20:110
513882210,0sleep20-21swapper/210:15:482
511232210,0sleep10-21swapper/110:10:181
510489210,0sleep00-21swapper/010:10:130
509814210,0sleep00-21swapper/010:06:380
509154210,0sleep10-21swapper/110:05:191
508049210,1sleep00-21swapper/010:04:250
506581210,0sleep20-21swapper/210:00:152
505637210,0sleep20-21swapper/209:56:382
505565210,0sleep10-21swapper/109:56:011
505476210,0sleep00-21swapper/009:55:210
501873210,0sleep20-21swapper/209:50:152
501592210,0sleep10-21swapper/109:50:021
501435210,0sleep20-21swapper/209:48:382
501163210,0sleep00-21swapper/009:46:110
501055210,0sleep10-21swapper/109:45:201
498263210,0sleep10-21swapper/109:40:171
497675210,0sleep00-21swapper/009:40:080
496418210,0sleep00-21swapper/009:35:200
496062210,0sleep10-21swapper/109:35:171
495293210,0sleep00-21swapper/009:34:190
494212210,0sleep10-21swapper/109:30:151
493083210,1sleep00-21swapper/009:27:110
490935210,1sleep00-21swapper/009:20:420
488871210,0sleep10-21swapper/109:15:221
488284210,0sleep00-21swapper/009:15:180
486940210,0sleep20-21swapper/209:11:042
486342210,0sleep10-21swapper/109:10:191
481467210,0sleep00-21swapper/009:00:020
480228210,0sleep10-21swapper/108:55:141
479800210,0sleep20-21swapper/208:55:112
479556210,0sleep00-21swapper/008:55:000
479188210,0sleep20-21swapper/208:50:182
477439210,0sleep20-21swapper/208:47:232
476914210,0sleep00-21swapper/008:45:210
476464210,0sleep10-21swapper/108:45:181
474497210,0sleep00-21swapper/008:40:150
474072210,0sleep1474098-21apt-get08:40:121
472658210,0sleep00-21swapper/008:35:160
472198210,0sleep10-21swapper/108:35:121
471649210,0sleep10-21swapper/108:31:531
470228210,0sleep00-21swapper/008:30:120
468343210,0sleep10-21swapper/108:25:111
468314210,0sleep00-21swapper/008:25:100
466829210,0sleep10-21swapper/108:20:161
466572210,0sleep0466828-21df08:20:150
466406210,0sleep20-21swapper/208:20:122
465637210,0sleep20-21swapper/208:15:212
464902210,0sleep10-21swapper/108:15:161
463463210,0sleep10-21swapper/108:10:191
463018210,0sleep20-21swapper/208:10:162
462664210,0sleep00-21swapper/008:10:140
460647210,0sleep2460677-21dpkg08:05:122
459643210,0sleep10-21swapper/108:00:181
459513210,0sleep00-21swapper/008:00:170
457335210,0sleep20-21swapper/207:55:152
456561210,0sleep00-21swapper/007:55:020
455862210,0sleep20-21swapper/207:50:192
455162210,0sleep10-21swapper/107:50:141
454970210,0sleep00-21swapper/007:50:130
452721210,0sleep00-21swapper/007:45:120
450932210,0sleep10-21swapper/107:40:141
449062210,0sleep20-21swapper/207:35:142
448778210,0sleep00-21swapper/007:35:110
447000210,0sleep20-21swapper/207:30:132
446892210,0sleep10-21swapper/107:30:121
446558210,0sleep20-21swapper/207:29:182
443773210,0sleep20-21swapper/207:20:172
443043210,0sleep10-21swapper/107:20:111
442599210,1sleep00-21swapper/007:17:470
439444210,0sleep10-21swapper/107:10:201
438892210,0sleep00-21swapper/007:10:150
569386200,0sleep20-21swapper/212:30:042
539662200,0sleep10-21swapper/111:20:031
537558200,0sleep20-21swapper/211:15:042
531316200,0sleep00-21swapper/011:00:040
518781200,0sleep10-21swapper/110:30:041
512510200,0sleep10-21swapper/110:15:031
508349200,0sleep20-21swapper/210:05:042
497410200,0sleep20-21swapper/209:40:012
491590200,0sleep20-21swapper/209:25:052
489582200,0sleep10-21swapper/109:20:031
483634200,0sleep20-21swapper/209:05:032
483633200,0sleep10-21swapper/109:05:021
481723200,0sleep20-21swapper/209:00:032
481722200,0sleep10-21swapper/109:00:031
477883200,0sleep00-21swapper/008:50:040
474058200,0sleep20-21swapper/208:40:012
471982200,0sleep20-21swapper/208:35:012
469980200,0sleep20-21swapper/208:30:022
460636200,0sleep10-21swapper/108:05:031
458728200,0sleep20-21swapper/208:00:042
456794200,0sleep10-21swapper/107:55:021
452705200,0sleep10-21swapper/107:45:011
448529200,0sleep10-21swapper/107:35:011
446856200,0sleep00-21swapper/007:30:030
443032200,0sleep00-21swapper/007:20:020
440137200,0sleep20-21swapper/207:15:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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