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2026-04-28 - 14:21
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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 Tue Apr 28, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89669525949,7sleep50-21swapper/507:05:095
897262995452,2cyclictest1139781-21kworker/u16:0+events_unbound10:05:485
89674125443,8sleep40-21swapper/407:05:494
897261994946,2cyclictest1374670-21kworker/u16:3+events_unbound12:09:204
13723622480,0sleep71372361-21rm10:45:157
89727299410,39cyclictest124-21kswapd011:49:317
897267994038,2cyclictest1506312-21kworker/u16:2+events_unbound11:54:396
897261994038,2cyclictest1557463-21kworker/u16:1+flush-8:012:04:394
8967152406,29sleep70-21swapper/707:05:277
897261993735,2cyclictest1139781-21kworker/u16:0+flush-8:010:32:364
897261993734,2cyclictest1139781-21kworker/u16:0+events_unbound10:49:074
897272993635,0cyclictest0-21swapper/712:26:077
897272993635,0cyclictest0-21swapper/708:54:087
897272993634,1cyclictest1580612-21ssh12:11:597
897272993633,2cyclictest1568507-21ssh12:07:077
897272993633,2cyclictest1550541-21kthreadcore11:59:287
897272993633,2cyclictest1550541-21kthreadcore11:59:287
897272993433,0cyclictest0-21swapper/710:20:067
897272993433,0cyclictest0-21swapper/710:17:597
897272993433,0cyclictest0-21swapper/709:35:447
897272993432,1cyclictest1385244-21ssh10:51:207
897261993431,2cyclictest1506312-21kworker/u16:2+events_unbound11:59:074
897261993431,2cyclictest1506312-21kworker/u16:2+events_unbound11:59:074
897272993332,0cyclictest0-21swapper/712:22:597
897272993332,0cyclictest0-21swapper/711:13:237
897272993331,1cyclictest0-21swapper/712:16:507
897272993330,1cyclictest1130610-21diskmemload11:55:307
897262993331,2cyclictest1557463-21kworker/u16:1+flush-8:012:14:345
897261993331,2cyclictest1557463-21kworker/u16:1+events_unbound12:31:354
897261993331,2cyclictest1252435-21kworker/u16:4+events_unbound10:47:144
897261993331,2cyclictest1111878-21kworker/u16:1+flush-8:009:19:434
897272993231,0cyclictest0-21swapper/712:37:567
897272993231,0cyclictest0-21swapper/711:32:557
897272993231,0cyclictest0-21swapper/711:16:277
897272993231,0cyclictest0-21swapper/707:09:087
897272993230,1cyclictest1130610-21diskmemload10:06:037
897272993229,2cyclictest1191531-21ssh09:33:597
897261993230,2cyclictest1139781-21kworker/u16:0+flush-8:010:00:284
897272993130,0cyclictest0-21swapper/711:27:357
897272993130,0cyclictest0-21swapper/711:01:517
897272993130,0cyclictest0-21swapper/710:28:287
897272993130,0cyclictest0-21swapper/709:57:047
897272993130,0cyclictest0-21swapper/709:57:047
897267993128,2cyclictest1252435-21kworker/u16:4+events_unbound10:54:146
897261993129,2cyclictest1506312-21kworker/u16:2+events_unbound11:52:384
897261993129,2cyclictest1411186-21kworker/u16:0+events_unbound11:58:264
897261993129,2cyclictest1411186-21kworker/u16:0+events_unbound11:35:164
897261993129,2cyclictest1374670-21kworker/u16:3+events_unbound12:19:344
897261993129,2cyclictest1252435-21kworker/u16:4+events_unbound10:58:164
897261993129,2cyclictest1111878-21kworker/u16:1+flush-8:009:24:364
897261993128,2cyclictest896998-21kworker/u16:0+events_unbound07:44:074
897261993128,2cyclictest896998-21kworker/u16:0+events_unbound07:44:074
897261993028,2cyclictest1411186-21kworker/u16:0+events_unbound11:43:154
897261993028,2cyclictest1374670-21kworker/u16:3+events_unbound11:48:164
897272992928,0cyclictest0-21swapper/710:54:067
897267992927,2cyclictest958453-21kworker/u16:1+flush-8:008:39:056
897267992927,2cyclictest948522-21kworker/u16:2+events_unbound07:34:056
897267992927,2cyclictest1289433-21kworker/u16:1+events_unbound10:39:236
897261992927,2cyclictest1557463-21kworker/u16:1+events_unbound12:16:194
897261992927,2cyclictest1289433-21kworker/u16:1+events_unbound11:26:404
897261992927,2cyclictest1289433-21kworker/u16:1+events_unbound11:09:364
897261992927,2cyclictest1139781-21kworker/u16:0+events_unbound10:43:154
897261992927,2cyclictest1139781-21kworker/u16:0+events_unbound10:19:364
897261992927,2cyclictest1035416-21kworker/u16:2+events_unbound09:43:514
897261992926,2cyclictest1139781-21kworker/u16:0+events_unbound10:04:124
897272992827,0cyclictest0-21swapper/709:51:207
897272992824,3cyclictest1263645-21ssh10:02:177
897267992826,2cyclictest1411186-21kworker/u16:0+events_unbound11:24:166
897262992826,2cyclictest1411186-21kworker/u16:0+flush-8:011:04:395
897262992825,2cyclictest1252435-21kworker/u16:4+flush-8:010:49:155
897261992826,2cyclictest1506312-21kworker/u16:2+events_unbound12:37:394
897261992826,2cyclictest1411186-21kworker/u16:0+events_unbound11:31:184
897261992826,2cyclictest1374670-21kworker/u16:3+events_unbound11:14:434
897261992826,2cyclictest1139781-21kworker/u16:0+events_unbound09:58:164
897261992826,2cyclictest1139781-21kworker/u16:0+events_unbound09:58:164
897261992826,2cyclictest1139781-21kworker/u16:0+events_unbound09:16:154
897261992826,2cyclictest1139781-21kworker/u16:0+events_unbound09:16:154
897261992824,3cyclictest958453-21kworker/u16:1+flush-8:008:24:164
89683622816,8sleep60-21swapper/607:07:116
11534012280,1chrt1153402-21ssh09:16:197
11534012280,1chrt1153402-21ssh09:16:197
897272992726,0cyclictest0-21swapper/711:06:317
897272992726,0cyclictest0-21swapper/709:19:487
897272992725,1cyclictest0-21swapper/711:48:067
897267992725,2cyclictest975780-21kworker/u16:3+flush-8:008:04:356
897267992725,2cyclictest1374670-21kworker/u16:3+events_unbound12:29:056
897267992725,2cyclictest1139781-21kworker/u16:0+events_unbound09:44:086
897267992724,2cyclictest1155408-21kworker/u16:3+flush-8:009:54:076
897267992724,2cyclictest1155408-21kworker/u16:3+flush-8:009:54:076
897262992725,2cyclictest1557463-21kworker/u16:1+events_unbound12:24:395
897262992725,2cyclictest1411186-21kworker/u16:0+events_unbound11:14:185
897262992725,2cyclictest1139781-21kworker/u16:0+flush-8:009:49:395
897262992724,2cyclictest896998-21kworker/u16:0+flush-8:007:49:165
897261992725,2cyclictest1411186-21kworker/u16:0+flush-8:011:06:394
897261992725,2cyclictest1374670-21kworker/u16:3+events_unbound12:27:154
897261992725,2cyclictest1289433-21kworker/u16:1+events_unbound11:04:044
897261992725,2cyclictest1155408-21kworker/u16:3+events_unbound10:09:074
897261992725,2cyclictest1155408-21kworker/u16:3+events_unbound09:31:034
897261992725,2cyclictest1139781-21kworker/u16:0+flush-8:009:51:464
897261992725,2cyclictest1139781-21kworker/u16:0+events_unbound09:37:474
897261992725,2cyclictest1111878-21kworker/u16:1+events_unbound09:09:444
897272992625,0cyclictest0-21swapper/710:10:237
897272992625,0cyclictest0-21swapper/709:11:557
897272992625,0cyclictest0-21swapper/708:07:407
897267992624,2cyclictest1374670-21kworker/u16:3+events_unbound11:32:036
897267992624,2cyclictest1252435-21kworker/u16:4+flush-8:010:25:036
897262992624,2cyclictest1506312-21kworker/u16:2+events_unbound11:54:195
897261992624,2cyclictest1139781-21kworker/u16:0+events_unbound10:35:404
897272992524,0cyclictest0-21swapper/711:36:107
897272992524,0cyclictest0-21swapper/710:38:087
897272992523,1cyclictest1350569-21ssh10:39:097
897267992523,2cyclictest1139781-21kworker/u16:0+events_unbound10:19:256
897267992523,2cyclictest1139781-21kworker/u16:0+events_unbound10:15:166
897267992522,2cyclictest958453-21kworker/u16:1+flush-8:008:19:066
897262992523,2cyclictest1035416-21kworker/u16:2+flush-8:009:14:055
897261992523,2cyclictest1374670-21kworker/u16:3+flush-8:011:20:394
897261992523,2cyclictest1374670-21kworker/u16:3+flush-8:011:20:394
897261992523,2cyclictest1289433-21kworker/u16:1+events_unbound10:26:114
897272992423,0cyclictest0-21swapper/710:30:587
897272992423,0cyclictest0-21swapper/708:12:447
897267992422,2cyclictest1374670-21kworker/u16:3+flush-8:010:59:396
897267992422,2cyclictest1289433-21kworker/u16:1+events_unbound11:21:356
897267992422,2cyclictest1289433-21kworker/u16:1+events_unbound11:21:356
897267992422,2cyclictest1155408-21kworker/u16:3+events_unbound10:03:396
897262992422,2cyclictest975780-21kworker/u16:3+flush-8:008:54:305
897262992422,2cyclictest1374670-21kworker/u16:3+events_unbound11:29:075
897262992422,2cyclictest1289433-21kworker/u16:1+events_unbound10:16:155
897262992422,2cyclictest1139781-21kworker/u16:0+events_unbound09:37:165
897262992422,2cyclictest1035416-21kworker/u16:2+flush-8:009:44:065
897262992421,2cyclictest1252435-21kworker/u16:4+events_unbound10:09:155
897262992420,3cyclictest1139781-21kworker/u16:0+flush-8:009:14:115
897262992420,3cyclictest1139781-21kworker/u16:0+flush-8:009:14:115
897261992422,2cyclictest1139781-21kworker/u16:0+events_unbound09:44:514
897272992322,0cyclictest0-21swapper/712:30:257
897272992322,0cyclictest0-21swapper/711:41:047
897272992322,0cyclictest0-21swapper/709:03:197
897272992322,0cyclictest0-21swapper/707:15:447
897267992321,2cyclictest887159-21kworker/u16:4+events_unbound07:39:006
897267992320,2cyclictest896998-21kworker/u16:0+flush-8:007:19:326
897262992321,2cyclictest1557463-21kworker/u16:1+events_unbound12:38:455
897262992321,2cyclictest1506312-21kworker/u16:2+events_unbound12:13:155
897262992321,2cyclictest1374670-21kworker/u16:3+flush-8:011:35:075
897262992321,2cyclictest1111878-21kworker/u16:1+flush-8:009:24:315
897262992320,3cyclictest1411186-21kworker/u16:0+flush-8:011:59:155
897262992320,3cyclictest1411186-21kworker/u16:0+flush-8:011:59:155
897272992221,0cyclictest0-21swapper/711:19:547
897272992221,0cyclictest0-21swapper/711:19:547
897267992220,2cyclictest1557463-21kworker/u16:1+events_unbound12:30:156
897261992220,2cyclictest1289433-21kworker/u16:1+events_unbound10:18:084
897272992120,0cyclictest0-21swapper/709:28:467
897272992120,0cyclictest0-21swapper/708:23:437
897272992120,0cyclictest0-21swapper/707:56:167
897272992119,1cyclictest1215718-21sh09:43:457
897267992119,2cyclictest1506312-21kworker/u16:2+flush-8:012:14:166
897267992119,2cyclictest1155408-21kworker/u16:3+flush-8:009:38:156
897267992119,2cyclictest1139781-21kworker/u16:0+events_unbound10:37:516
897262992119,2cyclictest1374670-21kworker/u16:3+events_unbound12:29:345
897262992119,2cyclictest1374670-21kworker/u16:3+events_unbound11:09:155
897262992119,2cyclictest1252435-21kworker/u16:4+events_unbound10:45:165
897262992118,2cyclictest975780-21kworker/u16:3+events_unbound08:09:255
897261992119,2cyclictest958453-21kworker/u16:1+events_unbound08:37:164
897267992018,2cyclictest896998-21kworker/u16:0+events_unbound07:09:296
897267992018,2cyclictest1035416-21kworker/u16:2+events_unbound09:43:156
897267992017,2cyclictest910862-21kworker/u16:2+flush-8:007:14:216
897262992018,2cyclictest1374670-21kworker/u16:3+events_unbound11:24:335
897262992018,2cyclictest1289433-21kworker/u16:1+flush-8:010:59:215
897262992018,2cyclictest1139781-21kworker/u16:0+flush-8:010:34:315
897261992018,2cyclictest958453-21kworker/u16:1+events_unbound08:15:154
897261992018,2cyclictest910862-21kworker/u16:2+events_unbound07:19:194
897261992018,2cyclictest1013143-21kworker/u16:0+events_unbound08:10:164
897267991917,2cyclictest975780-21kworker/u16:3+events_unbound09:09:196
897267991917,2cyclictest1411186-21kworker/u16:0+flush-8:011:04:346
897267991917,2cyclictest1374670-21kworker/u16:3+events_unbound11:41:316
897267991917,2cyclictest1289433-21kworker/u16:1+events_unbound11:09:176
897267991917,2cyclictest1155408-21kworker/u16:3+flush-8:009:29:516
897267991917,2cyclictest1111878-21kworker/u16:1+flush-8:009:14:156
897267991917,2cyclictest1111878-21kworker/u16:1+flush-8:009:14:156
897267991916,2cyclictest1506312-21kworker/u16:2+flush-8:012:09:116
897262991917,2cyclictest975780-21kworker/u16:3+events_unbound08:44:065
897262991917,2cyclictest1374670-21kworker/u16:3+flush-8:011:44:345
897262991917,2cyclictest1289433-21kworker/u16:1+flush-8:010:21:155
897262991917,2cyclictest1111878-21kworker/u16:1+flush-8:009:19:395
897262991916,2cyclictest930031-21kworker/u16:1+flush-8:007:29:195
897272991816,1cyclictest0-21swapper/709:48:187
89727299180,1cyclictest0-21swapper/708:44:307
897267991817,1cyclictest1289433-21kworker/u16:1+events_unbound10:45:286
897267991816,2cyclictest975780-21kworker/u16:3+events_unbound08:39:356
897267991812,6cyclictest1252435-21kworker/u16:4+events_unbound10:07:086
897262991816,2cyclictest958453-21kworker/u16:1+flush-8:008:34:055
897262991816,2cyclictest1506312-21kworker/u16:2+events_unbound12:08:145
897262991816,2cyclictest1506312-21kworker/u16:2+events_unbound11:49:075
897262991816,2cyclictest1411186-21kworker/u16:0+events_unbound11:39:325
897262991816,2cyclictest1139781-21kworker/u16:0+events_unbound10:03:155
897272991715,1cyclictest0-21swapper/707:50:327
897272991714,2cyclictest0-21swapper/708:14:067
897267991715,2cyclictest1374670-21kworker/u16:3+flush-8:012:34:266
897267991715,2cyclictest1139781-21kworker/u16:0+events_unbound10:31:596
897267991714,2cyclictest930031-21kworker/u16:1+flush-8:007:24:326
897262991715,2cyclictest1289433-21kworker/u16:1+flush-8:010:56:145
897262991715,2cyclictest1139781-21kworker/u16:0+flush-8:009:30:035
897262991714,3cyclictest958453-21kworker/u16:1+flush-8:007:54:315
89726299170,16cyclictest951787-21cut07:34:245
897261991715,2cyclictest975780-21kworker/u16:3+events_unbound08:33:124
897261991714,2cyclictest975780-21kworker/u16:3+events_unbound08:59:074
89726199170,3cyclictest1093470-21/usr/sbin/munin08:49:224
89727299169,6cyclictest958414-21latency_hist07:39:067
897267991614,2cyclictest1506312-21kworker/u16:2+events_unbound11:48:476
897267991614,2cyclictest1374670-21kworker/u16:3+events_unbound11:17:196
897267991614,2cyclictest1289433-21kworker/u16:1+events_unbound10:50:196
897262991614,2cyclictest958453-21kworker/u16:1+flush-8:008:19:255
897262991614,2cyclictest1013143-21kworker/u16:0+events_unbound08:14:365
897261991614,2cyclictest958453-21kworker/u16:1+events_unbound07:41:154
897272991514,0cyclictest0-21swapper/708:49:517
897272991514,0cyclictest0-21swapper/708:25:437
897267991513,2cyclictest1289433-21kworker/u16:1+flush-8:011:36:316
897267991513,2cyclictest1035416-21kworker/u16:2+events_unbound09:20:436
897262991513,2cyclictest1289433-21kworker/u16:1+events_unbound11:20:485
897262991513,2cyclictest1289433-21kworker/u16:1+events_unbound11:20:485
897262991512,3cyclictest1035416-21kworker/u16:2+flush-8:008:24:315
897262991512,2cyclictest1007516-21iostat08:04:225
897261991513,2cyclictest958453-21kworker/u16:1+events_unbound08:21:164
897261991513,2cyclictest958453-21kworker/u16:1+events_unbound08:07:164
897272991413,0cyclictest0-21swapper/707:45:047
897272991413,0cyclictest0-21swapper/707:45:047
897267991412,2cyclictest975780-21kworker/u16:3+flush-8:008:04:066
897267991412,2cyclictest958453-21kworker/u16:1+events_unbound08:14:286
897267991412,2cyclictest1374670-21kworker/u16:3+events_unbound12:19:546
897267991412,2cyclictest1111878-21kworker/u16:1+events_unbound09:25:156
897262991413,1cyclictest0-21swapper/510:24:225
897262991412,2cyclictest1139781-21kworker/u16:0+events_unbound10:41:395
897261991412,2cyclictest1035416-21kworker/u16:2+events_unbound09:06:154
89727299138,4cyclictest6382-21gvfs-afc-volume07:24:307
89727299130,1cyclictest0-21swapper/708:29:307
897267991311,2cyclictest975780-21kworker/u16:3+flush-8:007:54:246
897267991311,2cyclictest1411186-21kworker/u16:0+events_unbound12:00:236
897267991311,2cyclictest1411186-21kworker/u16:0+events_unbound12:00:236
897267991311,2cyclictest1155408-21kworker/u16:3+events_unbound09:52:526
897267991310,2cyclictest1506312-21kworker/u16:2+flush-8:011:49:066
89726299139,3cyclictest1035416-21kworker/u16:2+events_unbound09:04:225
897262991311,2cyclictest1139781-21kworker/u16:0+events_unbound09:58:595
897262991311,2cyclictest1139781-21kworker/u16:0+events_unbound09:58:595
897261991312,1cyclictest1092583-21kworker/u16:0+events_unbound08:54:244
897261991311,2cyclictest975780-21kworker/u16:3+events_unbound08:45:154
89727299128,3cyclictest1234-21snmpd08:02:137
897272991212,0cyclictest0-21swapper/708:39:057
897272991212,0cyclictest0-21swapper/707:41:407
897267991210,2cyclictest1035416-21kworker/u16:2+flush-8:008:24:336
89726799120,12cyclictest0-21swapper/607:50:236
89726799120,0cyclictest0-21swapper/608:33:356
897262991210,2cyclictest958453-21kworker/u16:1+events_unbound07:59:355
897262991210,2cyclictest910862-21kworker/u16:2+events_unbound07:14:205
897262991210,2cyclictest1139781-21kworker/u16:0+events_unbound10:31:165
897261991211,1cyclictest0-21swapper/407:57:394
897261991211,1cyclictest0-21swapper/407:12:434
897261991210,2cyclictest896998-21kworker/u16:0+events_unbound07:52:154
89726199120,1cyclictest0-21swapper/407:30:134
89727299117,3cyclictest1234-21snmpd08:39:597
89726799119,2cyclictest1374670-21kworker/u16:3+flush-8:012:04:476
89726799119,2cyclictest1092583-21kworker/u16:0+flush-8:008:54:236
89726299119,2cyclictest958453-21kworker/u16:1+flush-8:008:48:155
89726299119,2cyclictest958453-21kworker/u16:1+events_unbound07:39:275
89726299119,2cyclictest896998-21kworker/u16:0+flush-8:007:19:325
89726299119,2cyclictest1374670-21kworker/u16:3+events_unbound12:21:395
89726299119,2cyclictest1139781-21kworker/u16:0+events_unbound09:48:035
89726199119,2cyclictest930031-21kworker/u16:1+events_unbound07:24:244
89727299104,5cyclictest6382-21gvfs-afc-volume07:19:197
897272991010,0cyclictest0-21swapper/709:07:457
897272991010,0cyclictest0-21swapper/707:33:207
89726799108,2cyclictest958453-21kworker/u16:1+flush-8:008:44:286
89726799107,2cyclictest968378-21/usr/sbin/munin07:44:186
89726799107,2cyclictest968378-21/usr/sbin/munin07:44:186
89726799107,2cyclictest1096457-21cut08:49:266
89726799106,3cyclictest959601-21cat07:39:206
89726799106,3cyclictest1017492-21kthreadcore08:09:236
89726299109,1cyclictest0-21swapper/508:59:425
89726299108,2cyclictest1100596-21kthreadcore08:49:285
89726299105,4cyclictest898096-21tune2fs07:09:225
89726199108,2cyclictest958453-21kworker/u16:1+events_unbound08:02:394
8972679994,4cyclictest1129837-21smart_sda09:04:336
8972679990,8cyclictest1278851-21kthreadcore10:09:236
8972679990,2cyclictest1111886-21/usr/sbin/munin08:59:266
8972629997,1cyclictest0-21swapper/508:34:255
8972629997,1cyclictest0-21swapper/507:24:345
8972629994,4cyclictest973154-21tr07:44:255
8972629994,4cyclictest973154-21tr07:44:255
8972619986,2cyclictest910862-21kworker/u16:2+events_unbound07:18:014
8972619984,3cyclictest949325-21cpuspeed_turbos07:34:194
8972619983,4cyclictest1079003-21cut08:39:244
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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