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2026-09-17 - 00:46
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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 792 highest latencies:
System rackaslot0.osadl.org (updated Wed Sep 16, 2026 12:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21692800,0sleep22161-21rm12:12:352
182082600,1sleep318210-21sshd11:36:063
138182600,1sleep313815-21bash12:38:153
91792590,1sleep29175-21sshd09:52:092
123292580,0sleep00-21swapper/011:55:420
312492570,1sleep231248-21sshd09:59:542
2643425734,19sleep30-21swapper/307:07:573
27772550,0sleep10-21swapper/112:21:471
2641325533,18sleep20-21swapper/207:07:402
2626525532,19sleep00-21swapper/007:05:530
289972540,1sleep01866-21runrttasks09:16:280
244622540,1sleep00-21swapper/009:50:350
123432540,0sleep20-21swapper/209:20:442
95412530,0sleep1201ktimersoftd/111:41:041
35662530,1sleep23564-21id12:27:572
158452530,0sleep115831-21sshd12:01:481
303072510,0sleep00-21swapper/012:12:090
2626125127,20sleep10-21swapper/107:05:491
198462510,0sleep30-21swapper/311:33:263
101042510,1sleep310106-21sshd10:49:313
78792500,0sleep00-21swapper/009:29:030
78792500,0sleep00-21swapper/009:29:020
23072500,0sleep041ktimersoftd/010:05:490
229822500,0sleep00-21swapper/010:27:450
159552500,0sleep20-21swapper/210:27:062
121082500,0sleep11866-21runrttasks09:17:551
90002490,0sleep11866-21runrttasks09:52:081
313412470,0sleep30-21swapper/312:03:223
245612470,0sleep00-21swapper/010:36:260
192872470,0sleep10-21swapper/110:04:341
158632470,0sleep20-21swapper/209:49:562
158632470,0sleep20-21swapper/209:49:562
106092470,0sleep110600-21sshd10:26:371
176342460,1sleep119555-21diskmemload11:30:181
9782450,1sleep3979-21cpuspeed_turbos08:30:103
282732450,0sleep119555-21diskmemload09:25:081
282732450,0sleep119555-21diskmemload09:25:081
152792450,0sleep10-21swapper/111:01:221
147472450,0sleep30-21swapper/311:18:403
60142440,1sleep26016-21bash09:40:232
6332430,1sleep38-21rcu_preempt11:23:083
191002420,0sleep00-21swapper/011:07:310
2685599254,12cyclictest15259-21kworker/0:312:37:590
2685599233,19cyclictest1014-21kworker/0:112:16:370
2685599224,17cyclictest1835-21kworker/0:212:06:070
2685599223,13cyclictest19460-21kworker/0:009:11:160
26855992218,1cyclictest3824-21sshd10:46:000
9892210,0sleep10-21swapper/111:05:511
26857992119,1cyclictest0-21swapper/211:06:472
2685799211,1cyclictest24991-21sshd12:23:562
2685599213,15cyclictest29177-21kworker/0:009:55:550
2685599213,13cyclictest15898-21kworker/0:011:15:250
264582210,0sleep026456-21sshd10:19:310
312372200,0sleep00-21swapper/011:45:530
312372200,0sleep00-21swapper/011:45:530
26858992018,1cyclictest0-21swapper/312:20:133
2685599204,15cyclictest991-21kworker/0:211:01:370
2685599204,13cyclictest26773-21kworker/0:209:39:150
2685599203,16cyclictest15259-21kworker/0:312:33:250
2685599203,14cyclictest21676-21kworker/0:110:04:070
2685599203,13cyclictest15898-21kworker/0:011:23:070
2685599203,12cyclictest21662-21kworker/0:207:39:490
2685599201,15cyclictest18255-21kworker/0:109:33:430
2685599201,15cyclictest18255-21kworker/0:109:33:430
26858991918,1cyclictest0-21swapper/309:42:493
26857991917,1cyclictest0-21swapper/211:43:142
2685599194,14cyclictest26028-21kworker/0:110:32:500
2685599194,12cyclictest15259-21kworker/0:312:20:550
2685599193,15cyclictest21662-21kworker/0:208:48:220
2685599193,13cyclictest32730-21kworker/0:210:21:350
2685599193,13cyclictest32306-21kworker/0:310:40:370
2685599193,13cyclictest15898-21kworker/0:011:31:430
2685599193,12cyclictest18255-21kworker/0:109:24:180
2685599192,13cyclictest7855-21kworker/0:112:00:330
144882190,0sleep30-21swapper/309:58:233
293522180,1sleep31619-21nfsd12:06:113
26858991810,1cyclictest126750irq/25-eth012:33:213
2685599184,13cyclictest26879-21kworker/0:012:26:290
2685599184,13cyclictest21662-21kworker/0:208:01:490
2685599184,13cyclictest15898-21kworker/0:011:12:070
2685599184,12cyclictest991-21kworker/0:211:27:050
2685599183,14cyclictest991-21kworker/0:211:36:370
2685599183,12cyclictest29177-21kworker/0:009:45:030
2685599183,12cyclictest29177-21kworker/0:009:45:030
2685599182,12cyclictest21662-21kworker/0:207:42:510
2685599181,14cyclictest18255-21kworker/0:109:41:370
266242180,1sleep30-21swapper/312:27:063
297332170,0sleep129734-21sshd09:22:191
2685899177,9cyclictest39-21ksoftirqd/310:17:483
2685899174,12cyclictest39-21ksoftirqd/311:00:313
2685599174,13cyclictest21662-21kworker/0:207:51:070
2685599174,13cyclictest21662-21kworker/0:207:26:370
2685599174,12cyclictest991-21kworker/0:210:56:550
2685599174,12cyclictest21662-21kworker/0:209:05:210
2685599174,12cyclictest21662-21kworker/0:209:05:210
2685599174,12cyclictest21662-21kworker/0:208:56:270
2685599174,12cyclictest21662-21kworker/0:208:34:560
2685599173,13cyclictest991-21kworker/0:211:40:230
2685599173,13cyclictest991-21kworker/0:210:52:570
2685599173,13cyclictest7855-21kworker/0:111:50:410
2685599173,13cyclictest7855-21kworker/0:111:50:410
2685599173,13cyclictest3147-21kworker/0:010:10:170
2685599173,13cyclictest21662-21kworker/0:208:15:130
2685599173,13cyclictest21662-21kworker/0:208:11:550
2685599173,13cyclictest21662-21kworker/0:207:55:210
2685599172,13cyclictest21662-21kworker/0:208:44:460
2685599171,15cyclictest21662-21kworker/0:208:25:460
2685599171,13cyclictest21662-21kworker/0:207:34:150
165102170,0sleep116508-21bash09:32:411
165102170,0sleep116508-21bash09:32:411
286902160,1sleep20-21swapper/210:56:502
2685899166,9cyclictest39-21ksoftirqd/312:15:403
2685899166,9cyclictest39-21ksoftirqd/311:10:443
2685899166,9cyclictest39-21ksoftirqd/310:21:033
26858991614,1cyclictest39-21ksoftirqd/311:43:253
2685799160,1cyclictest3086-21sshd12:03:482
2685599164,12cyclictest21662-21kworker/0:209:00:020
2685599164,12cyclictest21662-21kworker/0:208:20:210
2685599164,11cyclictest21662-21kworker/0:207:45:230
2685599163,13cyclictest21662-21kworker/0:208:36:500
2685599163,13cyclictest21662-21kworker/0:207:21:390
2685599163,12cyclictest21662-21kworker/0:208:54:420
2685599163,12cyclictest21662-21kworker/0:208:06:250
2685599163,12cyclictest21662-21kworker/0:207:15:370
2685599163,12cyclictest21662-21kworker/0:207:10:310
204302160,0sleep30-21swapper/311:07:383
2685899158,2cyclictest28807-21sshd11:57:133
2685899158,2cyclictest0-21swapper/311:50:403
2685899158,2cyclictest0-21swapper/311:50:403
2685899156,1cyclictest39-21ksoftirqd/310:09:223
2685899155,9cyclictest39-21ksoftirqd/310:44:153
2685899155,9cyclictest39-21ksoftirqd/310:35:093
2685899155,9cyclictest39-21ksoftirqd/310:10:273
2685899155,9cyclictest39-21ksoftirqd/309:52:363
2685899155,9cyclictest39-21ksoftirqd/309:28:433
2685899155,9cyclictest39-21ksoftirqd/309:28:433
2685899155,9cyclictest39-21ksoftirqd/309:10:223
2685899155,1cyclictest39-21ksoftirqd/310:57:483
26858991514,1cyclictest39-21ksoftirqd/310:30:363
26858991513,1cyclictest39-21ksoftirqd/310:54:183
2685799159,5cyclictest0-21swapper/209:25:262
2685799159,5cyclictest0-21swapper/209:25:262
138462150,1sleep11866-21runrttasks10:41:111
290062140,0sleep10-21swapper/112:06:091
2685899145,1cyclictest39-21ksoftirqd/309:48:513
2685899145,1cyclictest39-21ksoftirqd/309:48:513
2685899144,9cyclictest39-21ksoftirqd/312:10:373
2685899144,1cyclictest39-21ksoftirqd/310:25:163
2685899143,3cyclictest39-21ksoftirqd/309:20:123
26858991411,1cyclictest126750irq/25-eth010:04:303
2685799149,4cyclictest0-21swapper/211:16:392
2685799149,2cyclictest0-21swapper/211:10:192
2685799149,2cyclictest0-21swapper/211:03:292
2685799149,2cyclictest0-21swapper/210:16:062
2685799142,1cyclictest26778-21sshd11:54:132
2685799142,1cyclictest26778-21sshd11:54:132
2685799141,12cyclictest0-21swapper/209:15:322
26857991410,2cyclictest3768-21sshd12:18:572
2685799140,13cyclictest5358-21sshd11:32:072
2685799140,13cyclictest0-21swapper/212:37:212
2685799140,13cyclictest0-21swapper/212:32:582
2685799140,13cyclictest0-21swapper/210:49:142
2685799140,13cyclictest0-21swapper/210:42:302
2685699140,13cyclictest0-21swapper/111:55:291
2685699140,13cyclictest0-21swapper/110:07:311
173352140,1sleep10-21swapper/110:38:431
314802130,0sleep10-21swapper/111:11:281
270502130,0sleep20-21swapper/211:22:342
2685899134,9cyclictest39-21ksoftirqd/311:25:433
2685899133,9cyclictest39-21ksoftirqd/309:30:593
2685899133,9cyclictest39-21ksoftirqd/309:30:583
2685899133,1cyclictest39-21ksoftirqd/309:35:353
26858991312,1cyclictest39-21ksoftirqd/311:45:143
26858991312,1cyclictest39-21ksoftirqd/311:45:143
26858991312,1cyclictest39-21ksoftirqd/309:16:483
2685799139,3cyclictest0-21swapper/208:25:142
2685799139,3cyclictest0-21swapper/208:05:122
2685799139,3cyclictest0-21swapper/207:30:152
2685799131,3cyclictest0-21swapper/209:38:282
2685799131,11cyclictest0-21swapper/211:57:062
2685799130,2cyclictest6325-21sshd10:31:582
2685799130,1cyclictest25380-21sshd09:13:202
2685799130,12cyclictest25498-21sshd09:33:302
2685799130,12cyclictest25498-21sshd09:33:302
2685799130,12cyclictest1996-21sshd10:05:472
2685799130,12cyclictest0-21swapper/210:51:082
2685799130,12cyclictest0-21swapper/210:11:542
2685699139,2cyclictest0-21swapper/110:24:441
2685699138,2cyclictest0-21swapper/109:11:091
26856991312,1cyclictest21-21ksoftirqd/112:35:421
26856991312,1cyclictest21-21ksoftirqd/111:52:051
26856991312,1cyclictest21-21ksoftirqd/111:52:041
26856991312,1cyclictest21-21ksoftirqd/111:21:351
26856991312,1cyclictest21-21ksoftirqd/110:49:171
26856991311,1cyclictest21-21ksoftirqd/109:59:511
26856991311,1cyclictest0-21swapper/109:39:531
2685699130,4cyclictest22654-21bash10:10:281
2685699130,1cyclictest0-21swapper/111:17:431
2685699130,12cyclictest0-21swapper/112:18:271
2685699130,12cyclictest0-21swapper/110:55:391
2685699130,10cyclictest0-21swapper/111:45:461
2685699130,10cyclictest0-21swapper/111:45:461
2685699130,10cyclictest0-21swapper/110:17:571
2685699130,0cyclictest7541-21sshd12:28:191
116032130,0sleep20-21swapper/211:47:032
116032130,0sleep20-21swapper/211:47:032
2685899129,2cyclictest0-21swapper/308:55:153
2685899121,2cyclictest0-21swapper/307:15:113
2685899121,10cyclictest0-21swapper/308:05:153
2685899121,10cyclictest0-21swapper/308:00:203
2685899121,10cyclictest0-21swapper/307:40:123
2685899121,10cyclictest0-21swapper/307:25:163
2685899121,10cyclictest0-21swapper/307:20:113
2685899120,11cyclictest0-21swapper/308:35:163
2685799129,2cyclictest0-21swapper/211:26:482
2685799129,2cyclictest0-21swapper/210:24:092
2685799129,2cyclictest0-21swapper/208:20:132
2685799121,2cyclictest0-21swapper/208:50:202
2685799121,2cyclictest0-21swapper/208:10:112
2685799121,10cyclictest0-21swapper/208:55:142
2685799121,10cyclictest0-21swapper/208:45:162
2685799121,10cyclictest0-21swapper/208:35:132
2685799120,1cyclictest0-21swapper/212:08:132
2685799120,11cyclictest0-21swapper/211:35:242
2685799120,11cyclictest0-21swapper/210:36:102
2685799120,11cyclictest0-21swapper/210:00:152
2685799120,11cyclictest0-21swapper/208:30:172
2685799120,11cyclictest0-21swapper/207:45:102
2685699129,2cyclictest0-21swapper/112:12:151
2685699129,2cyclictest0-21swapper/108:40:211
2685699129,2cyclictest0-21swapper/107:40:131
2685699129,2cyclictest0-21swapper/107:25:161
2685699129,2cyclictest0-21swapper/107:15:001
2685699121,1cyclictest126750irq/25-eth012:30:061
26856991211,1cyclictest647-21sshd09:42:491
26856991210,1cyclictest10832-21bash09:46:321
26856991210,1cyclictest10832-21bash09:46:321
2685699120,11cyclictest0-21swapper/108:15:211
2685699120,11cyclictest0-21swapper/107:50:091
2685699120,10cyclictest0-21swapper/111:39:351
197612120,1sleep10-21swapper/110:30:171
2685899119,2cyclictest0-21swapper/308:20:203
2685899111,9cyclictest0-21swapper/307:45:133
2685899111,1cyclictest39-21ksoftirqd/307:35:143
26858991110,1cyclictest39-21ksoftirqd/309:00:143
26858991110,1cyclictest0-21swapper/307:55:193
2685899110,2cyclictest0-21swapper/308:15:203
2685899110,2cyclictest0-21swapper/307:50:093
2685899110,10cyclictest0-21swapper/307:10:163
2685799119,1cyclictest0-21swapper/207:20:012
2685799119,1cyclictest0-21swapper/207:10:152
2685799111,9cyclictest0-21swapper/207:40:192
2685799110,2cyclictest0-21swapper/209:00:152
2685799110,2cyclictest0-21swapper/207:25:132
2685799110,10cyclictest15437-21ntpq07:50:172
2685799110,10cyclictest0-21swapper/209:05:112
2685799110,10cyclictest0-21swapper/209:05:112
2685799110,10cyclictest0-21swapper/207:59:592
2685799110,10cyclictest0-21swapper/207:35:172
2685699119,2cyclictest0-21swapper/110:50:261
2685699119,2cyclictest0-21swapper/108:00:121
2685699119,2cyclictest0-21swapper/107:10:141
2685699110,2cyclictest0-21swapper/111:25:031
2685699110,2cyclictest0-21swapper/108:35:171
2685699110,2cyclictest0-21swapper/108:30:171
2685699110,2cyclictest0-21swapper/108:10:181
2685699110,2cyclictest0-21swapper/107:20:121
2685699110,1cyclictest0-21swapper/108:46:011
2685699110,10cyclictest0-21swapper/109:00:191
2685699110,10cyclictest0-21swapper/108:55:181
2685699110,10cyclictest0-21swapper/108:20:211
2685699110,10cyclictest0-21swapper/108:05:121
2685699110,10cyclictest0-21swapper/107:55:121
2685699110,10cyclictest0-21swapper/107:45:141
2685699110,10cyclictest0-21swapper/107:35:131
2685899109,1cyclictest37-21rcuc/308:10:143
2685899108,1cyclictest126750irq/25-eth008:45:183
2685899108,1cyclictest0-21swapper/309:05:123
2685899108,1cyclictest0-21swapper/309:05:123
2685899107,2cyclictest0-21swapper/308:25:193
2685899100,9cyclictest5688-21memory07:30:193
2685899100,9cyclictest381ktimersoftd/308:40:203
2685899100,9cyclictest0-21swapper/308:50:193
2685799109,1cyclictest0-21swapper/208:00:152
2685799108,1cyclictest5849-21ls08:40:142
2685799108,1cyclictest0-21swapper/207:20:122
2685799100,1cyclictest26043-21apache_processe08:15:122
2685699109,1cyclictest0-21swapper/108:50:051
2685699109,1cyclictest0-21swapper/108:25:271
2685699108,2cyclictest0-21swapper/107:30:191
2685699100,9cyclictest0-21swapper/109:05:131
2685699100,9cyclictest0-21swapper/109:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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