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2026-05-14 - 02:16
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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 rack3slot0.osadl.org (updated Thu May 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2691799130128,1cyclictest1844-21nfsd00:31:534
268889912018,60cyclictest1-21systemd00:31:540
105482980,0sleep30-21swapper/321:19:533
2690999970,97cyclictest22988-21kworker/3:000:31:533
26894999777,7cyclictest25-21ksoftirqd/100:31:541
16702730,0sleep10-21swapper/121:55:321
26936996463,1cyclictest0-21swapper/600:31:546
217692540,1sleep521768-21systemd-cgroups23:28:585
200412530,1sleep220015-21bash21:18:402
80272510,0sleep60-21swapper/600:13:536
79882510,0sleep30-21swapper/323:35:373
297402510,1sleep729724-21sshd22:37:347
210242510,0sleep30-21swapper/323:47:473
2646225026,8sleep00-21swapper/019:05:070
239702500,0sleep10-21swapper/123:21:181
279682490,0sleep527966-21systemd-cgroups00:26:255
148832490,1sleep314856-21bash22:17:283
280472480,0sleep00-21swapper/023:54:080
222232480,2sleep72694299cyclictest22:06:197
222232480,2sleep72694299cyclictest22:06:197
63562470,1sleep36329-21cp23:52:433
26902994526,18cyclictest22791-21systemd00:31:542
268352450,1sleep526834-21bash21:13:235
268352450,1sleep526834-21bash21:13:235
2476824523,8sleep40-21swapper/419:04:224
186442450,0sleep10-21swapper/121:37:291
136312450,0sleep20-21swapper/200:21:502
131552450,0sleep50-21swapper/523:09:205
121822450,0sleep60-21swapper/621:44:396
197882440,0sleep60-21swapper/622:19:316
128512440,0sleep10-21swapper/121:44:421
95092430,0sleep50-21swapper/521:21:485
68562430,0sleep40-21swapper/423:01:184
50142430,0sleep30-21swapper/322:47:403
291902430,2sleep02688899cyclictest23:48:160
282492430,2sleep02688899cyclictest23:12:030
206622430,0sleep50-21swapper/523:19:135
171572430,0sleep10-21swapper/123:11:241
79592420,0sleep60-21swapper/621:11:556
79592420,0sleep60-21swapper/621:11:556
257662420,0sleep3401ktimersoftd/322:23:533
107872420,0sleep318640-21kworker/u16:100:12:053
90262410,0sleep10-21swapper/123:47:051
41552410,0sleep00-21swapper/022:47:370
324442410,0sleep20-21swapper/223:17:582
289652410,0sleep50-21swapper/523:46:205
287462410,0sleep60-21swapper/621:26:376
284402410,1sleep428426-21cp00:16:554
28352410,0sleep30-21swapper/321:15:373
26929994141,0cyclictest22784-21kworker/5:200:31:535
150062410,0sleep10-21swapper/122:25:031
2661124028,9sleep60-21swapper/619:07:056
2647624028,9sleep50-21swapper/519:05:205
243712400,2sleep02688899cyclictest21:20:470
201442400,0sleep10-21swapper/121:10:301
201442400,0sleep10-21swapper/121:10:301
127872400,0sleep20-21swapper/222:07:422
127872400,0sleep20-21swapper/222:07:422
276242390,0sleep20-21swapper/200:24:302
2668223928,8sleep10-21swapper/119:08:041
2647323927,8sleep20-21swapper/219:05:172
2643423927,8sleep30-21swapper/319:04:453
2642023826,8sleep70-21swapper/719:04:337
248042380,2sleep12689499cyclictest23:04:201
191882380,0sleep70-21swapper/721:18:377
175552380,1sleep717554-21sshd23:09:307
173232380,0sleep00-21swapper/022:04:120
173232380,0sleep00-21swapper/022:04:120
35152360,0sleep60-21swapper/600:21:146
26942993635,1cyclictest1844-21nfsd00:31:537
149372360,0sleep00-21swapper/021:18:220
122802330,2sleep22690299cyclictest22:57:482
201732260,1sleep020169-21sshd00:01:130
204232210,0sleep60-21swapper/622:12:106
222512190,0sleep40-21swapper/421:54:464
14442190,1sleep21436-21bash22:20:232
42162180,0sleep44213-21sshd22:14:574
26942991816,1cyclictest73-21ksoftirqd/723:45:007
26942991816,1cyclictest73-21ksoftirqd/722:26:317
26942991816,1cyclictest73-21ksoftirqd/700:34:277
26942991816,1cyclictest73-21ksoftirqd/700:04:197
26888991815,1cyclictest9-21ksoftirqd/021:10:230
26888991815,1cyclictest9-21ksoftirqd/021:10:230
254052180,1sleep51-21systemd21:16:595
237822180,1sleep523778-21systemd21:35:495
40262170,0sleep20-21swapper/222:13:112
321602170,1sleep332159-21bash23:00:533
26942991715,1cyclictest73-21ksoftirqd/723:18:107
26942991714,3cyclictest73-21ksoftirqd/722:14:427
26942991712,4cyclictest26203-21sshd00:22:357
26929991715,1cyclictest57-21ksoftirqd/521:28:085
26942991614,1cyclictest73-21ksoftirqd/723:42:367
26942991614,1cyclictest73-21ksoftirqd/723:25:357
26942991614,1cyclictest73-21ksoftirqd/723:05:367
26942991614,1cyclictest73-21ksoftirqd/723:03:407
26942991614,1cyclictest73-21ksoftirqd/722:41:087
26942991614,1cyclictest73-21ksoftirqd/721:50:417
26942991614,1cyclictest73-21ksoftirqd/721:41:447
26942991614,1cyclictest73-21ksoftirqd/721:28:557
26942991614,1cyclictest73-21ksoftirqd/700:27:277
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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