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2026-03-11 - 16:07
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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 rackaslot0.osadl.org (updated Wed Mar 11, 2026 12:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320752950,1sleep132054-21sshd10:19:451
85472910,0sleep00-21swapper/011:03:200
83312910,0sleep00-21swapper/012:28:570
49742900,0sleep318044-21diskmemload11:05:473
274502900,0sleep30-21swapper/309:59:203
275612800,0sleep00-21swapper/009:56:250
1029526124,9sleep30-21swapper/307:08:053
1062025924,9sleep00-21swapper/007:09:420
241452580,1sleep30-21swapper/310:56:063
241452580,1sleep30-21swapper/310:56:053
129312580,1sleep20-21swapper/210:06:332
315102570,1sleep1201ktimersoftd/110:53:591
20812570,0sleep21596-21sshd10:51:192
153572570,1sleep315353-21sshd11:35:153
91602560,0sleep20-21swapper/209:40:282
81842540,2sleep21093899cyclictest11:20:202
153762540,1sleep315357-21sshd09:52:313
131802540,0sleep013177-21sshd11:06:330
130202540,1sleep013023-21bash12:09:210
127212540,1sleep218044-21diskmemload09:15:122
268062530,0sleep326805-21sshd11:16:163
212762530,0sleep10-21swapper/111:30:091
139682530,0sleep113967-21sshd12:06:311
35262520,1sleep018044-21diskmemload09:37:100
305472520,0sleep00-21swapper/012:30:500
195812520,1sleep01511-21nfsd11:27:040
186792520,0sleep10-21swapper/110:12:481
795825129,8sleep20-21swapper/207:05:072
317612510,0sleep231762-21sshd11:02:292
150922510,0sleep30-21swapper/312:06:373
36322500,0sleep119-21rcuc/111:17:071
3412500,0sleep00-21swapper/008:40:060
32112490,0sleep20-21swapper/212:05:322
159422490,0sleep041ktimersoftd/008:10:180
121292490,0sleep10-21swapper/112:37:511
105002490,0sleep00-21swapper/011:40:300
990824825,9sleep10-21swapper/107:06:101
281402480,1sleep128120-21sshd10:30:431
236122480,0sleep10-21swapper/111:47:241
113562480,0sleep318044-21diskmemload09:15:053
284032460,1sleep328402-21latency_hist12:05:013
271562380,0sleep20-21swapper/212:36:172
126482290,0sleep312647-21sshd10:52:173
138892270,0sleep213888-21sshd11:55:102
138892270,0sleep213888-21sshd11:55:102
317952230,1sleep20-21swapper/210:28:162
10938992318,4cyclictest0-21swapper/210:15:072
205322220,0sleep30-21swapper/310:18:443
1093899220,20cyclictest0-21swapper/210:49:192
10937992220,1cyclictest19538-21sshd12:29:591
10936992221,1cyclictest12441-21sshd09:52:150
1093899210,20cyclictest0-21swapper/212:25:172
10937992120,1cyclictest26411-21sshd11:39:101
10939992018,1cyclictest16359-21sshd12:35:203
10939992018,1cyclictest0-21swapper/310:34:573
10938992018,1cyclictest0-21swapper/210:10:482
1093899200,1cyclictest10401-21sshd11:31:592
1093699203,8cyclictest25394-21kworker/0:008:34:310
10936992015,5cyclictest32748-21sshd10:31:090
297762190,2sleep119-21rcuc/109:50:531
10939991917,1cyclictest0-21swapper/311:30:593
1093899199,6cyclictest0-21swapper/210:01:552
1093899198,1cyclictest115650irq/25-eth010:22:252
1093899190,18cyclictest24508-21sshd12:21:432
1093899190,15cyclictest15143-21sshd09:21:012
10937991917,1cyclictest16035-21sshd10:49:481
1093799191,17cyclictest17346-21sshd10:38:241
10936991917,1cyclictest4806-21sshd12:20:030
10936991917,1cyclictest1596-21sshd11:18:550
10939991816,1cyclictest0-21swapper/309:28:373
1093899188,6cyclictest115650irq/25-eth011:53:252
1093899187,1cyclictest0-21swapper/212:00:322
1093899180,17cyclictest31843-21sshd11:08:132
1093699184,1cyclictest25394-21kworker/0:007:10:550
1093699183,2cyclictest25394-21kworker/0:007:29:590
10936991817,1cyclictest23259-21sshd10:41:480
48042170,1sleep24800-21sshd10:34:292
165742170,1sleep016551-21sshd10:52:370
163002170,1sleep18-21rcu_preempt11:06:501
1093899178,8cyclictest28073-21sshd11:42:062
1093899178,1cyclictest29607-21sshd09:56:372
1093899173,1cyclictest22359-21sshd12:30:122
1093899171,10cyclictest0-21swapper/209:39:212
1093899170,9cyclictest22215-21bash09:33:072
1093899170,1cyclictest2398-21sshd12:19:512
10936991715,1cyclictest0-21swapper/011:24:490
10936991714,2cyclictest24126-21kworker/0:210:04:550
1093699170,16cyclictest0-21swapper/009:41:540
295782160,0sleep30-21swapper/310:39:313
10939991614,1cyclictest0-21swapper/312:17:363
10939991614,1cyclictest0-21swapper/311:43:203
1093899169,6cyclictest0-21swapper/211:45:532
1093899169,6cyclictest0-21swapper/209:10:202
10938991614,1cyclictest13532-21df10:35:132
1093899160,2cyclictest0-21swapper/211:10:532
1093899160,1cyclictest7215-21sshd09:46:032
1093899160,1cyclictest29715-21sshd11:25:092
1093899160,1cyclictest0-21swapper/209:51:482
1093899160,15cyclictest5108-21sshd09:25:492
1093899160,13cyclictest0-21swapper/212:11:212
1093899160,10cyclictest12705-21munin-node10:55:162
1093899160,10cyclictest12705-21munin-node10:55:162
1093899160,10cyclictest0-21swapper/211:39:172
1093899160,10cyclictest0-21swapper/211:17:332
1093899160,10cyclictest0-21swapper/210:40:322
1093799169,6cyclictest0-21swapper/112:32:471
10936991614,2cyclictest18299-21kworker/0:109:13:520
1093699161,11cyclictest27049-21kworker/0:012:10:070
1093699160,8cyclictest0-21swapper/011:53:100
139872150,1sleep11734-21runrttasks08:06:211
138802150,0sleep00-21swapper/009:46:390
1093899151,13cyclictest0-21swapper/207:50:142
1093799150,14cyclictest26776-21sshd12:04:531
1093799150,14cyclictest0-21swapper/111:01:471
1093799150,14cyclictest0-21swapper/110:24:301
1093699159,3cyclictest22186-21sshd11:10:150
1093699158,3cyclictest16373-21sshd10:49:500
1093699157,2cyclictest30584-21kworker/0:110:55:330
1093699157,2cyclictest30584-21kworker/0:110:55:330
1093699155,2cyclictest25394-21kworker/0:009:16:130
1093699152,12cyclictest9931-21kworker/0:209:26:290
1093699151,3cyclictest0-21swapper/009:31:500
1093699151,11cyclictest27049-21kworker/0:012:19:330
1093699150,14cyclictest2101-21sshd09:22:460
1093699150,12cyclictest0-21swapper/010:14:430
1093999149,4cyclictest0-21swapper/312:12:113
10939991413,1cyclictest0-21swapper/311:21:523
1093999140,13cyclictest0-21swapper/312:29:513
1093999140,12cyclictest8948-21sshd10:09:073
1093899140,9cyclictest0-21swapper/208:51:242
1093899140,1cyclictest0-21swapper/209:07:192
1093799149,4cyclictest0-21swapper/111:50:431
1093799149,2cyclictest17881-21bash12:12:351
1093799149,1cyclictest0-21swapper/111:23:031
1093799140,13cyclictest25488-21bash12:16:031
1093799140,13cyclictest2149-21sshd11:56:551
1093799140,13cyclictest2149-21sshd11:56:551
1093799140,13cyclictest0-21swapper/110:44:591
1093699149,4cyclictest0-21swapper/010:24:030
1093699149,4cyclictest0-21swapper/010:05:160
1093699148,3cyclictest26273-21sshd12:04:490
1093699143,5cyclictest18044-21diskmemload10:16:070
1093699141,1cyclictest0-21swapper/010:29:550
1093699141,12cyclictest3754-21bash11:45:360
1093699140,3cyclictest0-21swapper/011:31:480
1093699140,13cyclictest26685-21sshd12:36:140
1093999138,2cyclictest3941-21sshd10:40:083
1093999137,5cyclictest0-21swapper/309:43:493
1093999137,4cyclictest0-21swapper/309:33:033
10939991311,1cyclictest17745-21sshd12:24:023
10939991311,1cyclictest0-21swapper/310:01:283
1093999130,2cyclictest17202-21sshd11:52:333
1093999130,12cyclictest25983-21sshd12:30:253
1093999130,12cyclictest22601-21sshd10:10:173
1093999130,12cyclictest12492-21bash10:46:343
1093999130,12cyclictest1162-21bash09:45:303
1093999130,12cyclictest0-21swapper/311:56:043
1093999130,12cyclictest0-21swapper/311:56:043
1093999130,12cyclictest0-21swapper/311:27:593
1093999130,10cyclictest4405-21sshd09:14:283
1093999130,10cyclictest0-21swapper/310:24:363
1093999130,10cyclictest0-21swapper/309:21:023
1093899130,1cyclictest0-21swapper/208:23:522
1093799139,1cyclictest0-21swapper/110:01:211
1093799138,2cyclictest5218-21sshd10:57:181
1093799138,2cyclictest5218-21sshd10:57:181
1093799132,10cyclictest4679-21sshd10:05:471
1093799131,1cyclictest16914-21sshd09:21:101
1093799131,1cyclictest115650irq/25-eth009:25:251
1093799131,11cyclictest0-21swapper/109:30:451
1093799130,4cyclictest0-21swapper/111:25:201
1093799130,2cyclictest19725-21sshd09:10:081
1093799130,2cyclictest0-21swapper/110:29:271
1093799130,2cyclictest0-21swapper/109:15:231
1093799130,12cyclictest29997-21sshd09:36:371
1093799130,12cyclictest28789-21sshd09:45:121
1093799130,12cyclictest0-21swapper/112:23:001
1093699134,1cyclictest25394-21kworker/0:008:19:130
1093699133,5cyclictest0-21swapper/007:55:150
1093699132,8cyclictest25394-21kworker/0:007:37:180
1093699130,1cyclictest20251-21sshd11:55:350
1093699130,1cyclictest20251-21sshd11:55:350
1093699130,12cyclictest0-21swapper/011:36:290
1093699130,11cyclictest0-21swapper/010:36:370
1093999129,2cyclictest0-21swapper/311:13:143
1093999129,2cyclictest0-21swapper/310:25:123
1093999128,1cyclictest31010-21sshd09:36:433
1093999120,4cyclictest0-21swapper/311:48:403
1093999120,11cyclictest0-21swapper/311:00:043
1093899121,2cyclictest0-21swapper/207:15:012
1093899120,5cyclictest0-21swapper/207:55:582
1093799129,2cyclictest0-21swapper/109:55:141
1093799129,2cyclictest0-21swapper/109:40:171
1093799120,11cyclictest27754-21sshd11:10:381
1093799120,11cyclictest0-21swapper/111:42:181
1093699127,2cyclictest25394-21kworker/0:008:39:510
1093699124,3cyclictest25394-21kworker/0:008:04:150
1093699122,8cyclictest25394-21kworker/0:007:34:100
1093699120,8cyclictest0-21swapper/009:05:130
147062110,0sleep21734-21runrttasks09:03:152
1093999118,2cyclictest0-21swapper/307:40:183
1093999111,9cyclictest0-21swapper/307:45:123
1093999110,11cyclictest0-21swapper/307:57:083
1093999110,11cyclictest0-21swapper/307:51:203
1093999110,10cyclictest9801-21perl08:00:143
1093999110,10cyclictest0-21swapper/307:24:233
1093899119,2cyclictest0-21swapper/208:31:332
1093899118,2cyclictest0-21swapper/208:35:152
1093899116,1cyclictest0-21swapper/207:14:102
1093899110,2cyclictest0-21swapper/207:20:142
1093899110,11cyclictest0-21swapper/208:11:192
1093799113,7cyclictest0-21swapper/108:18:291
1093799110,1cyclictest0-21swapper/107:40:581
1093799110,10cyclictest3847-21diskstats08:45:131
1093799110,10cyclictest24345-21fschecks_time07:30:131
1093799110,10cyclictest1080-21grep08:40:141
1093799110,10cyclictest0-21swapper/108:51:151
1093799110,10cyclictest0-21swapper/108:31:031
1093799110,10cyclictest0-21swapper/107:45:121
1093799110,10cyclictest0-21swapper/107:20:151
1093799110,10cyclictest0-21swapper/107:16:201
1093699117,2cyclictest25394-21kworker/0:009:02:280
1093699116,1cyclictest25394-21kworker/0:008:05:210
1093699113,1cyclictest25394-21kworker/0:007:19:430
1093699112,6cyclictest25394-21kworker/0:008:50:010
1093699111,9cyclictest0-21swapper/007:50:160
1093699110,7cyclictest0-21swapper/008:25:130
1093699110,10cyclictest25394-21kworker/0:008:46:150
1093999108,1cyclictest0-21swapper/309:00:143
1093999108,1cyclictest0-21swapper/307:25:173
1093999100,9cyclictest6818-21diskstats08:50:113
1093999100,9cyclictest18720-21tune2fs08:15:133
1093999100,1cyclictest30295-21diskstats08:35:133
1093999100,1cyclictest0-21swapper/308:40:343
1093999100,10cyclictest0-21swapper/308:14:123
1093999100,10cyclictest0-21swapper/308:09:003
1093999100,10cyclictest0-21swapper/307:37:173
1093999100,10cyclictest0-21swapper/307:12:113
1093899108,2cyclictest0-21swapper/208:00:132
1093899101,9cyclictest115650irq/25-eth008:45:132
1093899100,9cyclictest18723-21perl08:15:132
1093899100,9cyclictest1139-21perl08:40:142
1093799109,1cyclictest0-21swapper/108:39:521
1093799109,1cyclictest0-21swapper/107:29:141
1093799108,1cyclictest16003-21perl09:05:171
1093799100,9cyclictest0-21swapper/108:20:151
1093799100,1cyclictest13120-21perl09:00:151
1093799100,1cyclictest0-21swapper/108:00:081
1093799100,1cyclictest0-21swapper/107:58:091
1093799100,10cyclictest0-21swapper/108:27:541
1093799100,10cyclictest0-21swapper/107:37:221
1093699109,1cyclictest0-21swapper/008:20:040
1093699109,1cyclictest0-21swapper/007:42:460
1093699104,3cyclictest9345-21apache_processe08:55:110
1093699100,7cyclictest0-21swapper/007:20:110
109399998,1cyclictest0-21swapper/308:20:133
109399998,1cyclictest0-21swapper/307:16:363
109399990,1cyclictest0-21swapper/308:30:073
109389999,0cyclictest0-21swapper/207:35:142
109389998,1cyclictest0-21swapper/208:59:392
109389998,1cyclictest0-21swapper/207:41:142
109389990,9cyclictest0-21swapper/207:28:272
109379998,1cyclictest0-21swapper/107:53:231
109379998,1cyclictest0-21swapper/107:10:111
109379990,9cyclictest0-21swapper/108:10:151
109399987,1cyclictest0-21swapper/307:30:133
109399986,2cyclictest0-21swapper/308:25:213
109399981,6cyclictest0-21swapper/308:45:123
109399980,0cyclictest0-21swapper/308:55:143
109389986,2cyclictest0-21swapper/207:30:132
109389981,6cyclictest0-21swapper/208:25:122
109379980,7cyclictest0-21swapper/108:55:151
109369981,6cyclictest0-21swapper/007:45:120
109399970,6cyclictest0-21swapper/309:05:143
109389971,5cyclictest0-21swapper/207:45:102
109389970,5cyclictest0-21swapper/208:05:162
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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