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2026-04-23 - 05:46
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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
Compare latency of primary with shadow system
Characteristics of the 792 highest latencies:
System rack0slot2.osadl.org (updated Thu Apr 23, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
410695925847,8sleep40-21swapper/419:07:274
40985012413,31sleep70-21swapper/719:04:417
4107399994037,2cyclictest462467-21kworker/u16:1+events_unbound23:59:294
4107403993937,2cyclictest548762-21kworker/u16:3+events_unbound00:29:215
4107403993937,2cyclictest160462-21kworker/u16:1+events_unbound21:37:185
4107408993835,2cyclictest138069-21kworker/u16:3+events_unbound21:04:306
4107403993836,2cyclictest326993-21kworker/u16:2+events_unbound22:52:255
4107403993836,2cyclictest326993-21kworker/u16:2+events_unbound22:52:255
4107399993836,2cyclictest326993-21kworker/u16:2+events_unbound22:41:014
4107399993836,2cyclictest231239-21kworker/u16:0+events_unbound21:56:274
4107403993735,2cyclictest435929-21kworker/u16:0+events_unbound23:16:505
4107403993735,2cyclictest435929-21kworker/u16:0+events_unbound23:10:575
4107403993735,2cyclictest253525-21kworker/u16:3+events_unbound22:43:495
4107403993734,2cyclictest462467-21kworker/u16:1+events_unbound23:46:585
4107399993735,2cyclictest548762-21kworker/u16:3+events_unbound00:32:224
4107403993634,2cyclictest462467-21kworker/u16:1+events_unbound23:38:265
4107403993634,2cyclictest253525-21kworker/u16:3+events_unbound22:26:155
4107403993634,2cyclictest160462-21kworker/u16:1+events_unbound21:30:515
4107399993634,2cyclictest498774-21kworker/u16:2+events_unbound00:10:584
4107399993634,2cyclictest484279-21kworker/u16:3+events_unbound23:34:264
4107399993634,2cyclictest484279-21kworker/u16:3+events_unbound23:34:264
4107399993634,2cyclictest484279-21kworker/u16:3+events_unbound23:25:464
4107399993634,2cyclictest414543-21kworker/u16:4+events_unbound23:42:424
4107399993634,2cyclictest3623-21kworker/u16:0+events_unbound21:12:494
4107399993634,2cyclictest231239-21kworker/u16:0+events_unbound22:03:514
4107399993634,2cyclictest160462-21kworker/u16:1+events_unbound21:49:114
4107410993534,0cyclictest0-21swapper/721:32:417
4107408993533,2cyclictest548762-21kworker/u16:3+events_unbound00:35:386
4107403993533,2cyclictest462467-21kworker/u16:1+events_unbound23:22:175
4107403993533,2cyclictest253525-21kworker/u16:3+events_unbound22:18:175
4107399993533,2cyclictest631921-21kworker/u16:2+events_unbound00:35:224
4107399993533,2cyclictest535439-21kworker/u16:0+events_unbound00:08:304
4107399993533,2cyclictest253525-21kworker/u16:3+events_unbound22:36:494
4107399993533,2cyclictest148082-21kworker/u16:4+events_unbound22:06:274
4107399993533,2cyclictest148082-21kworker/u16:4+events_unbound21:27:424
4107399993533,2cyclictest148082-21kworker/u16:4+events_unbound21:27:424
4107410993433,0cyclictest0-21swapper/700:05:097
4107410993432,1cyclictest0-21swapper/700:27:007
4107410993428,5cyclictest377744-21latency_hist22:44:277
4107408993432,2cyclictest498774-21kworker/u16:2+events_unbound00:15:506
4107408993432,2cyclictest3372762-21kworker/u16:1+events_unbound19:24:506
4107408993431,2cyclictest435929-21kworker/u16:0+events_unbound23:07:226
4107403993432,2cyclictest631921-21kworker/u16:2+events_unbound00:36:035
4107403993432,2cyclictest618494-21kworker/u16:4+events_unbound00:23:175
4107403993432,2cyclictest535439-21kworker/u16:0+events_unbound00:30:295
4107403993432,2cyclictest535439-21kworker/u16:0+events_unbound00:10:295
4107403993432,2cyclictest535439-21kworker/u16:0+events_unbound00:09:095
4107403993432,2cyclictest435929-21kworker/u16:0+events_unbound23:05:505
4107403993432,2cyclictest414543-21kworker/u16:4+events_unbound23:31:475
4107403993432,2cyclictest414543-21kworker/u16:4+events_unbound23:31:475
4107403993432,2cyclictest253525-21kworker/u16:3+events_unbound22:39:025
4107403993432,2cyclictest231239-21kworker/u16:0+events_unbound21:57:185
4107403993432,2cyclictest160462-21kworker/u16:1+events_unbound21:42:545
4107399993432,2cyclictest618494-21kworker/u16:4+events_unbound00:27:024
4107399993432,2cyclictest462467-21kworker/u16:1+events_unbound23:59:134
4107399993432,2cyclictest414543-21kworker/u16:4+events_unbound23:49:174
4107399993432,2cyclictest281067-21kworker/u16:1+events_unbound22:16:064
4107399993432,2cyclictest231239-21kworker/u16:0+events_unbound22:11:184
410689423423,8sleep50-21swapper/519:06:325
4107410993332,0cyclictest0-21swapper/723:26:547
4107410993326,5cyclictest635-21systemd-journal19:19:287
4107408993331,2cyclictest548762-21kworker/u16:3+events_unbound00:28:386
4107408993331,2cyclictest535439-21kworker/u16:0+events_unbound00:32:426
4107408993331,2cyclictest253525-21kworker/u16:3+events_unbound21:58:306
4107403993331,2cyclictest535439-21kworker/u16:0+events_unbound23:56:415
4107403993331,2cyclictest535439-21kworker/u16:0+events_unbound23:53:295
4107403993331,2cyclictest414543-21kworker/u16:4+events_unbound23:25:095
4107403993331,2cyclictest253525-21kworker/u16:3+events_unbound22:33:025
4107403993331,2cyclictest253525-21kworker/u16:3+events_unbound22:22:255
4107403993331,2cyclictest253525-21kworker/u16:3+events_unbound22:08:345
4107403993331,2cyclictest253525-21kworker/u16:3+events_unbound22:01:185
4107403993331,2cyclictest253525-21kworker/u16:3+events_unbound21:52:275
4107403993331,2cyclictest231239-21kworker/u16:0+events_unbound22:11:015
4107403993331,2cyclictest231239-21kworker/u16:0+events_unbound21:45:545
4107399993331,2cyclictest498774-21kworker/u16:2+flush-8:000:20:184
4107399993331,2cyclictest462467-21kworker/u16:1+flush-8:023:50:094
4107399993331,2cyclictest435929-21kworker/u16:0+events_unbound23:17:224
4107399993331,2cyclictest414543-21kworker/u16:4+events_unbound23:20:494
4107399993331,2cyclictest414543-21kworker/u16:4+events_unbound23:00:494
4107399993331,2cyclictest253525-21kworker/u16:3+events_unbound22:50:534
4107399993331,2cyclictest253525-21kworker/u16:3+events_unbound22:50:534
4107399993331,2cyclictest160462-21kworker/u16:1+events_unbound21:17:144
4107399993331,2cyclictest148082-21kworker/u16:4+events_unbound21:30:344
4107399993330,2cyclictest435929-21kworker/u16:0+events_unbound23:09:114
4107410993231,0cyclictest0-21swapper/723:12:427
4107410993231,0cyclictest0-21swapper/722:31:347
4107408993230,2cyclictest41552-21kworker/u16:1+events_unbound20:42:496
4107408993230,2cyclictest253525-21kworker/u16:3+events_unbound22:32:426
4107408993230,2cyclictest148082-21kworker/u16:4+flush-8:022:04:376
4107408993230,2cyclictest148082-21kworker/u16:4+events_unbound21:10:106
4107408993229,2cyclictest4159167-21kworker/u16:3+flush-8:019:49:286
4107403993230,2cyclictest484279-21kworker/u16:3+events_unbound23:40:235
4107403993230,2cyclictest3623-21kworker/u16:0+events_unbound21:26:435
4107403993230,2cyclictest3623-21kworker/u16:0+events_unbound21:26:435
4107403993230,2cyclictest281067-21kworker/u16:1+events_unbound23:04:025
4107403993230,2cyclictest148082-21kworker/u16:4+events_unbound21:15:335
4107399993230,2cyclictest484279-21kworker/u16:3+events_unbound23:37:534
4107399993230,2cyclictest435929-21kworker/u16:0+events_unbound23:11:264
4107399993230,2cyclictest326993-21kworker/u16:2+events_unbound22:55:464
4107399993230,2cyclictest326993-21kworker/u16:2+events_unbound22:30:064
4107399993230,2cyclictest326993-21kworker/u16:2+events_unbound22:25:344
4107399993230,2cyclictest231239-21kworker/u16:0+events_unbound21:42:114
4107408993129,2cyclictest498774-21kworker/u16:2+events_unbound00:21:516
4107408993129,2cyclictest3623-21kworker/u16:0+events_unbound20:24:306
4107408993129,2cyclictest196668-21kworker/u16:2+events_unbound21:41:466
4107408993129,2cyclictest148082-21kworker/u16:4+events_unbound21:16:146
4107408993124,7cyclictest22947-21kworker/u16:2+events_unbound20:37:426
4107403993129,2cyclictest548762-21kworker/u16:3+events_unbound00:15:185
4107403993129,2cyclictest3623-21kworker/u16:0+events_unbound21:13:065
4107403993129,2cyclictest326993-21kworker/u16:2+events_unbound22:57:105
4107403993129,2cyclictest253525-21kworker/u16:3+events_unbound22:45:305
4107403993129,2cyclictest160462-21kworker/u16:1+events_unbound21:20:065
4107399993128,2cyclictest41552-21kworker/u16:1+events_unbound20:14:304
4107399993128,2cyclictest160462-21kworker/u16:1+events_unbound21:19:354
4107410993029,0cyclictest0-21swapper/723:56:117
4107408993028,2cyclictest253525-21kworker/u16:3+events_unbound23:00:356
4107403993028,2cyclictest535439-21kworker/u16:0+events_unbound00:00:535
4107399993028,2cyclictest535439-21kworker/u16:0+events_unbound00:17:064
4107399993028,2cyclictest326993-21kworker/u16:2+events_unbound22:48:134
4107399993028,2cyclictest148082-21kworker/u16:4+events_unbound21:37:224
4107410992928,0cyclictest0-21swapper/720:44:507
4107410992927,1cyclictest642082-21ssh00:31:087
4107408992927,2cyclictest41552-21kworker/u16:1+events_unbound20:48:506
4107408992927,2cyclictest41552-21kworker/u16:1+events_unbound20:31:426
4107408992927,2cyclictest41552-21kworker/u16:1+events_unbound20:15:496
4107408992927,2cyclictest3623-21kworker/u16:0+events_unbound21:21:586
4107408992927,2cyclictest3372762-21kworker/u16:1+events_unbound19:59:106
4107408992927,2cyclictest3372762-21kworker/u16:1+events_unbound19:21:506
4107408992926,3cyclictest281067-21kworker/u16:1+events_unbound22:17:286
4107399992927,2cyclictest3623-21kworker/u16:0+events_unbound20:46:224
4107399992927,2cyclictest253525-21kworker/u16:3+events_unbound21:50:434
410679222918,7sleep60-21swapper/619:05:046
4107410992826,1cyclictest315434-21ssh22:15:567
4107410992826,1cyclictest0-21swapper/721:28:057
4107410992826,1cyclictest0-21swapper/721:28:057
4107410992826,1cyclictest0-21swapper/721:16:497
4107410992825,2cyclictest498511-21ssh23:34:097
4107410992825,2cyclictest498511-21ssh23:34:097
4107408992826,2cyclictest548762-21kworker/u16:3+events_unbound00:07:206
4107408992826,2cyclictest498774-21kworker/u16:2+events_unbound23:54:286
4107408992826,2cyclictest326993-21kworker/u16:2+events_unbound23:17:536
4107408992825,2cyclictest3372762-21kworker/u16:1+events_unbound19:39:316
4107399992826,2cyclictest3623-21kworker/u16:0+events_unbound21:09:064
4107410992726,0cyclictest0-21swapper/721:43:417
4107410992725,1cyclictest618945-21ssh00:23:057
4107410992725,1cyclictest219744-21ssh21:38:137
4107410992725,1cyclictest0-21swapper/722:12:217
4107410992724,2cyclictest438009-21ssh23:08:567
4107410992724,2cyclictest290653-21ssh22:05:017
4107408992725,2cyclictest484279-21kworker/u16:3+events_unbound23:28:206
4107408992725,2cyclictest462467-21kworker/u16:1+events_unbound23:36:116
4107408992725,2cyclictest462467-21kworker/u16:1+events_unbound23:32:276
4107408992725,2cyclictest462467-21kworker/u16:1+events_unbound23:32:276
4107408992725,2cyclictest414543-21kworker/u16:4+events_unbound23:41:556
4107408992725,2cyclictest326993-21kworker/u16:2+events_unbound23:11:326
4107408992725,2cyclictest253525-21kworker/u16:3+events_unbound22:29:256
4107408992725,2cyclictest160462-21kworker/u16:1+events_unbound21:32:336
4107408992725,2cyclictest138069-21kworker/u16:3+events_unbound21:04:266
4107403992725,2cyclictest3623-21kworker/u16:0+events_unbound20:55:375
4107403992725,2cyclictest3372762-21kworker/u16:1+events_unbound19:34:585
4107399992725,2cyclictest253525-21kworker/u16:3+events_unbound22:20:554
4107399992724,2cyclictest4159167-21kworker/u16:3+events_unbound20:19:314
4107410992625,0cyclictest0-21swapper/723:53:097
4107410992625,0cyclictest0-21swapper/720:20:427
4107410992625,0cyclictest0-21swapper/719:50:507
4107410992624,1cyclictest570018-21ssh00:02:077
4107410992623,2cyclictest593558-21ssh00:10:517
4107408992624,2cyclictest484279-21kworker/u16:3+events_unbound23:48:576
4107408992624,2cyclictest4116821-21kworker/u16:4+events_unbound19:36:146
4107408992624,2cyclictest253525-21kworker/u16:3+flush-8:022:19:536
4107408992624,2cyclictest231239-21kworker/u16:0+events_unbound22:12:096
4107408992623,2cyclictest160462-21kworker/u16:1+events_unbound21:49:296
4107403992624,2cyclictest3372762-21kworker/u16:1+events_unbound19:45:395
4107410992524,0cyclictest0-21swapper/723:04:167
4107410992524,0cyclictest0-21swapper/722:55:237
4107410992524,0cyclictest0-21swapper/721:50:497
4107410992524,0cyclictest0-21swapper/721:11:367
4107410992524,0cyclictest0-21swapper/720:07:547
4107410992524,0cyclictest0-21swapper/700:15:017
4107408992524,1cyclictest535439-21kworker/u16:0+events_unbound00:02:116
4107408992523,2cyclictest435929-21kworker/u16:0+events_unbound23:20:126
4107408992523,2cyclictest41552-21kworker/u16:1+events_unbound20:51:256
4107408992523,2cyclictest3623-21kworker/u16:0+events_unbound21:25:356
4107408992523,2cyclictest3623-21kworker/u16:0+events_unbound21:25:356
4107408992523,2cyclictest3623-21kworker/u16:0+events_unbound20:07:426
4107408992523,2cyclictest22947-21kworker/u16:2+events_unbound20:03:306
4107408992523,2cyclictest196668-21kworker/u16:2+flush-8:021:35:136
4107408992522,2cyclictest326993-21kworker/u16:2+events_unbound22:34:326
4107403992523,2cyclictest4116821-21kworker/u16:4+events_unbound19:57:505
4107403992523,2cyclictest3623-21kworker/u16:0+events_unbound21:01:385
4107403992523,2cyclictest22947-21kworker/u16:2+events_unbound20:34:585
4107410992422,1cyclictest0-21swapper/723:49:197
4107410992422,1cyclictest0-21swapper/723:38:037
4107408992422,2cyclictest41552-21kworker/u16:1+events_unbound20:22:516
4107408992422,2cyclictest281067-21kworker/u16:1+events_unbound22:43:336
4107408992422,2cyclictest160462-21kworker/u16:1+events_unbound21:48:096
4107408992422,2cyclictest148082-21kworker/u16:4+events_unbound22:01:326
4107408992421,2cyclictest4116821-21kworker/u16:4+events_unbound19:44:386
4107403992422,2cyclictest3623-21kworker/u16:0+events_unbound20:41:505
4107403992422,2cyclictest3623-21kworker/u16:0+events_unbound20:10:385
4107399992422,2cyclictest3623-21kworker/u16:0+events_unbound20:11:334
4107399992421,2cyclictest4116821-21kworker/u16:4+events_unbound19:24:294
4107399992421,2cyclictest22947-21kworker/u16:2+flush-8:020:04:384
4107410992322,0cyclictest0-21swapper/722:21:407
4107410992322,0cyclictest0-21swapper/720:53:437
4107410992322,0cyclictest0-21swapper/719:45:517
4107410992320,2cyclictest340570-21ssh22:27:497
4107408992321,2cyclictest535439-21kworker/u16:0+events_unbound00:10:316
4107408992321,2cyclictest4116821-21kworker/u16:4+events_unbound19:19:186
4107408992321,2cyclictest326993-21kworker/u16:2+flush-8:022:45:196
4107408992317,6cyclictest535439-21kworker/u16:0+events_unbound23:50:216
4107403992321,2cyclictest4116821-21kworker/u16:4+events_unbound19:32:105
4107403992321,2cyclictest3372762-21kworker/u16:1+events_unbound19:53:385
4107403992321,2cyclictest3372762-21kworker/u16:1+events_unbound19:40:505
4107399992321,2cyclictest4097680-21kworker/u16:0+flush-8:019:14:324
4107399992320,2cyclictest3623-21kworker/u16:0+flush-8:020:24:384
4107410992221,0cyclictest0-21swapper/723:24:087
4107410992221,0cyclictest0-21swapper/721:23:457
4107410992221,0cyclictest0-21swapper/719:39:187
4107410992221,0cyclictest0-21swapper/700:36:017
4107410992219,2cyclictest401166-21ssh22:52:567
4107410992219,2cyclictest401166-21ssh22:52:567
410741099220,20cyclictest80798-21latency_hist20:34:277
4107408992220,2cyclictest3623-21kworker/u16:0+events_unbound20:11:276
4107408992220,2cyclictest326993-21kworker/u16:2+flush-8:022:55:086
4107403992220,2cyclictest3372762-21kworker/u16:1+events_unbound19:16:385
4107403992220,2cyclictest2696149-21kworker/u16:3+events_unbound19:11:485
4107403992220,2cyclictest138069-21kworker/u16:3+flush-8:021:05:275
4107403992219,2cyclictest22947-21kworker/u16:2+flush-8:020:44:485
4107399992220,2cyclictest4116821-21kworker/u16:4+events_unbound19:29:534
4107399992220,2cyclictest3372762-21kworker/u16:1+events_unbound19:21:394
4107410992120,0cyclictest0-21swapper/722:34:287
4107410992120,0cyclictest0-21swapper/722:02:097
4107410992120,0cyclictest0-21swapper/721:49:217
4107410992120,0cyclictest0-21swapper/721:03:437
4107410992120,0cyclictest0-21swapper/720:56:397
4107410992120,0cyclictest0-21swapper/720:15:197
4107410992120,0cyclictest0-21swapper/719:26:267
4107410992120,0cyclictest0-21swapper/719:23:597
4107408992119,2cyclictest3623-21kworker/u16:0+events_unbound20:58:426
4107403992119,2cyclictest41552-21kworker/u16:1+events_unbound20:27:385
4107403992119,2cyclictest3623-21kworker/u16:0+events_unbound20:21:425
4107399992119,2cyclictest2696149-21kworker/u16:3+events_unbound19:14:194
4107399992119,2cyclictest22947-21kworker/u16:2+events_unbound20:01:384
4107410992019,0cyclictest0-21swapper/722:47:287
4107410992019,0cyclictest0-21swapper/721:58:567
4107410992019,0cyclictest0-21swapper/720:26:227
4107408992018,2cyclictest281067-21kworker/u16:1+flush-8:022:50:126
4107408992018,2cyclictest281067-21kworker/u16:1+flush-8:022:50:126
4107403992018,2cyclictest3623-21kworker/u16:0+events_unbound20:05:275
4107403992018,2cyclictest22947-21kworker/u16:2+events_unbound20:16:515
4107399992018,2cyclictest41552-21kworker/u16:1+events_unbound20:55:504
4107399992018,2cyclictest3372762-21kworker/u16:1+events_unbound19:51:154
4107399992018,2cyclictest3372762-21kworker/u16:1+events_unbound19:48:504
4107410991917,1cyclictest0-21swapper/723:15:077
4107403991917,2cyclictest3623-21kworker/u16:0+events_unbound20:51:425
4107403991917,2cyclictest3372762-21kworker/u16:1+events_unbound19:21:375
4107410991817,0cyclictest0-21swapper/721:09:197
4107410991817,0cyclictest0-21swapper/720:43:397
4107399991816,2cyclictest3623-21kworker/u16:0+events_unbound20:52:494
4107399991816,2cyclictest22947-21kworker/u16:2+flush-8:020:39:484
4107399991815,2cyclictest3372762-21kworker/u16:1+flush-8:019:54:474
4107410991716,0cyclictest0-21swapper/723:40:337
4107410991716,0cyclictest0-21swapper/719:42:277
4107408991715,2cyclictest4116821-21kworker/u16:4+events_unbound19:32:376
4107399991715,2cyclictest4116821-21kworker/u16:4+events_unbound19:36:284
4107399991715,2cyclictest3623-21kworker/u16:0+events_unbound20:37:384
4107410991615,0cyclictest0-21swapper/720:36:187
4107410991615,0cyclictest0-21swapper/719:34:117
4107408991614,2cyclictest3372762-21kworker/u16:1+events_unbound19:11:586
4107403991614,2cyclictest4159167-21kworker/u16:3+events_unbound20:02:275
4107403991614,2cyclictest3623-21kworker/u16:0+events_unbound20:33:385
4107403991512,2cyclictest3372762-21kworker/u16:1+flush-8:019:24:355
4107399991513,2cyclictest41552-21kworker/u16:1+events_unbound20:33:434
4107399991513,2cyclictest4116821-21kworker/u16:4+events_unbound19:40:264
410741099145,7cyclictest6382-21gvfs-afc-volume20:09:527
410741099139,3cyclictest1234-21snmpd20:00:567
410741099139,3cyclictest1234-21snmpd19:57:357
4107399991311,2cyclictest3623-21kworker/u16:0+events_unbound21:00:474
4107410991211,0cyclictest0-21swapper/719:14:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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