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2026-09-23 - 02:22
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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 Wed Sep 23, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
190021020,2sleep53139099cyclictest22:19:455
295772820,1sleep629575-21sshd21:25:006
20522770,1sleep22012-21sshd23:14:042
205582580,0sleep30-21swapper/300:20:453
244852540,1sleep424462-21sshd00:24:394
30522530,2sleep43138199cyclictest22:25:294
150452520,0sleep00-21swapper/022:18:440
80422510,0sleep30-21swapper/322:20:073
3099625026,9sleep30-21swapper/319:01:083
3119124925,8sleep10-21swapper/119:03:551
3090724925,8sleep70-21swapper/719:00:007
289702490,0sleep70-21swapper/722:21:237
266382490,1sleep41-21systemd22:51:084
97752480,0sleep20-21swapper/222:44:332
3110524825,8sleep00-21swapper/019:02:410
202242480,0sleep40-21swapper/423:52:274
91922470,0sleep20-21swapper/221:42:422
298102470,0sleep20-21swapper/221:51:152
248942470,1sleep124896-21bash22:32:231
72782460,0sleep27258-21sshd22:59:312
35902460,0sleep10-21swapper/122:53:371
274732460,0sleep50-21swapper/500:23:035
214892460,0sleep40-21swapper/422:41:314
95552450,1sleep69553-21grepconf.sh21:40:466
211472450,1sleep321134-21sshd23:04:043
173542450,0sleep30-21swapper/300:09:163
85222440,1sleep58524-21sshd23:10:395
111782440,0sleep2311rcuc/200:10:432
99672430,1sleep39968-21grepconf.sh22:05:093
243292430,0sleep00-21swapper/000:07:450
120862430,1sleep665-21ksoftirqd/622:33:326
314932420,1sleep431425-21sshd23:10:064
3109224223,15sleep50-21swapper/519:02:305
116662420,1sleep341-21ksoftirqd/321:55:483
106752420,1sleep233-21ksoftirqd/200:22:042
104772420,1sleep210476-21systemd-cgroups23:09:002
47542410,0sleep10-21swapper/122:48:001
4742410,0sleep50-21swapper/521:10:175
175642410,0sleep7711rcuc/723:39:167
3094124027,9sleep60-21swapper/619:00:236
2874024029,8sleep20-21swapper/218:59:232
275542400,0sleep30-21swapper/322:11:583
271922400,0sleep40-21swapper/422:08:154
232942400,1sleep623293-21sshd23:41:246
150292400,0sleep20-21swapper/222:29:512
57222390,0sleep40-21swapper/423:31:044
57222390,0sleep40-21swapper/423:31:044
3098823927,9sleep40-21swapper/419:01:014
204772390,0sleep40-21swapper/421:22:414
35112380,1sleep03512-21grepconf.sh23:06:420
29692380,0sleep20-21swapper/200:32:462
116512380,0sleep10-21swapper/123:55:361
114872380,2sleep63139899cyclictest21:12:506
287972360,0sleep70-21swapper/721:39:587
31390992714,3cyclictest57-21ksoftirqd/522:52:155
31390992510,3cyclictest57-21ksoftirqd/523:27:275
31390992510,3cyclictest57-21ksoftirqd/523:27:275
31390992410,1cyclictest57-21ksoftirqd/522:28:215
3139099239,4cyclictest57-21ksoftirqd/521:19:585
3139099235,3cyclictest57-21ksoftirqd/523:18:475
31390992311,3cyclictest57-21ksoftirqd/521:41:335
3139099229,3cyclictest57-21ksoftirqd/521:30:265
3139099228,3cyclictest57-21ksoftirqd/523:04:545
31390992218,1cyclictest57-21ksoftirqd/523:29:315
31390992218,1cyclictest57-21ksoftirqd/523:29:315
31390992213,3cyclictest57-21ksoftirqd/523:50:105
31390992211,3cyclictest57-21ksoftirqd/500:04:595
3139099219,3cyclictest57-21ksoftirqd/522:34:535
3139099219,3cyclictest57-21ksoftirqd/522:18:445
3139099219,1cyclictest57-21ksoftirqd/523:19:435
3139099218,3cyclictest57-21ksoftirqd/523:47:245
3139099218,1cyclictest57-21ksoftirqd/522:56:255
3139099218,1cyclictest57-21ksoftirqd/522:08:125
3139099216,2cyclictest57-21ksoftirqd/521:51:435
3139099216,1cyclictest57-21ksoftirqd/521:59:085
3139099215,3cyclictest57-21ksoftirqd/522:11:105
3139099215,2cyclictest57-21ksoftirqd/523:34:445
31390992115,3cyclictest57-21ksoftirqd/522:45:315
31390992111,4cyclictest57-21ksoftirqd/500:12:445
3139099209,3cyclictest57-21ksoftirqd/522:39:535
3139099209,2cyclictest57-21ksoftirqd/523:55:425
3139099209,1cyclictest57-21ksoftirqd/500:31:115
3139099208,3cyclictest57-21ksoftirqd/500:14:225
3139099207,3cyclictest57-21ksoftirqd/522:29:475
3139099207,1cyclictest57-21ksoftirqd/521:37:245
3139099206,3cyclictest57-21ksoftirqd/523:00:515
3139099206,2cyclictest57-21ksoftirqd/523:59:235
3139099205,2cyclictest57-21ksoftirqd/521:24:355
3139099198,3cyclictest57-21ksoftirqd/523:40:205
3139099198,3cyclictest57-21ksoftirqd/500:28:545
3139099198,1cyclictest57-21ksoftirqd/521:18:055
3139099196,1cyclictest57-21ksoftirqd/521:45:475
30242190,0sleep60-21swapper/622:21:466
3139099186,3cyclictest57-21ksoftirqd/521:59:295
31405991711,3cyclictest73-21ksoftirqd/721:46:287
31390991715,2cyclictest57-21ksoftirqd/519:42:505
31390991715,1cyclictest57-21ksoftirqd/521:04:385
31381991715,1cyclictest49-21ksoftirqd/423:26:054
31381991715,1cyclictest49-21ksoftirqd/423:26:054
269692170,2sleep63139899cyclictest23:04:236
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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