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2025-11-26 - 17:38
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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 highest latencies:
System rack0slot2.osadl.org (updated Wed Nov 26, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115244825747,7sleep40-21swapper/415:19:104
115245825646,7sleep50-21swapper/515:19:195
1153114995246,5cyclictest1439720-21latency_hist17:43:157
1153114994842,5cyclictest1631309-21latency_hist19:18:157
115255424611,31sleep70-21swapper/715:20:417
1153110994442,2cyclictest1298002-21kworker/u16:4+flush-8:016:29:506
1153104994139,2cyclictest1102825-21kworker/u16:0+flush-8:016:08:404
1153106994037,2cyclictest1102825-21kworker/u16:0+flush-8:016:08:415
1153106993937,2cyclictest1409361-21kworker/u16:0+events_unbound17:30:065
1153106993935,3cyclictest1601417-21kworker/u16:5+flush-8:019:08:055
1153110993735,2cyclictest1123014-21kworker/u16:2+events_unbound16:08:446
1153110993734,3cyclictest1550724-21kworker/u16:0+flush-8:019:08:306
1153104993735,2cyclictest1102825-21kworker/u16:0+flush-8:015:42:314
115242923726,8sleep60-21swapper/615:18:566
1153104993634,2cyclictest1429586-21kworker/u16:4+events_unbound17:57:064
115311499358,25cyclictest27759-21gdbus15:39:007
1153106993533,2cyclictest1782331-21kworker/u16:2+events_unbound20:35:065
1153106993533,2cyclictest1429586-21kworker/u16:4+events_unbound17:41:045
1153104993533,2cyclictest1368995-21kworker/u16:1+flush-8:017:33:194
1153104993533,2cyclictest1368995-21kworker/u16:1+events_unbound18:00:044
1153110993432,2cyclictest1368995-21kworker/u16:1+flush-8:017:59:156
1153110993431,2cyclictest1429586-21kworker/u16:4+events_unbound18:08:166
1153106993432,2cyclictest1701736-21kworker/u16:3+events_unbound19:58:065
1153106993432,2cyclictest1550725-21kworker/u16:4+events_unbound18:41:065
1153106993432,2cyclictest1102825-21kworker/u16:0+events_unbound16:36:045
1153104993432,2cyclictest1368995-21kworker/u16:1+events_unbound17:52:034
1153104993432,2cyclictest1267960-21kworker/u16:3+events_unbound17:07:474
1153104993431,2cyclictest1162759-21kworker/u16:3+events_unbound15:33:184
1153114993327,5cyclictest589235-21systemd-journal18:23:317
1153106993331,2cyclictest1701736-21kworker/u16:3+events_unbound20:18:145
1153106993331,2cyclictest1580574-21kworker/u16:1+events_unbound19:14:145
1153106993331,2cyclictest1550724-21kworker/u16:0+flush-8:018:53:475
1153106993331,2cyclictest1368995-21kworker/u16:1+events_unbound18:22:565
1153104993331,2cyclictest1722145-21kworker/u16:4+events_unbound20:39:184
1153104993331,2cyclictest1102825-21kworker/u16:0+flush-8:015:26:014
1153104993330,2cyclictest1162759-21kworker/u16:3+flush-8:015:53:304
1153114993227,4cyclictest1691814-21latency_hist19:48:157
1153110993230,2cyclictest1368995-21kworker/u16:1+events_unbound17:27:066
1153110993230,2cyclictest1102825-21kworker/u16:0+events_unbound16:23:296
1153110993228,3cyclictest1368995-21kworker/u16:1+flush-8:018:33:336
1153106993230,2cyclictest1722145-21kworker/u16:4+events_unbound20:26:305
1153106993230,2cyclictest1429586-21kworker/u16:4+events_unbound17:44:435
1153104993230,2cyclictest1701736-21kworker/u16:3+events_unbound20:19:504
1153104993230,2cyclictest1580574-21kworker/u16:1+events_unbound19:35:184
1153104993230,2cyclictest1358914-21kworker/u16:2+flush-8:018:23:474
1153104993230,2cyclictest1267960-21kworker/u16:3+events_unbound17:12:034
1153114993130,0cyclictest0-21swapper/720:30:027
1153114993130,0cyclictest0-21swapper/717:27:577
1153114993130,0cyclictest0-21swapper/717:08:107
1153114993125,5cyclictest1500295-21latency_hist18:13:157
1153110993129,2cyclictest1701736-21kworker/u16:3+flush-8:020:09:586
1153110993129,2cyclictest1550724-21kworker/u16:0+events_unbound19:07:196
1153110993129,2cyclictest1368995-21kworker/u16:1+events_unbound18:25:506
1153110993129,2cyclictest1123014-21kworker/u16:2+events_unbound16:19:396
1153106993129,2cyclictest1550725-21kworker/u16:4+events_unbound18:51:065
1153106993129,2cyclictest1550724-21kworker/u16:0+flush-8:019:10:065
1153106993129,2cyclictest1409361-21kworker/u16:0+events_unbound17:37:275
1153106993129,2cyclictest1358914-21kworker/u16:2+events_unbound18:23:465
1153106993129,2cyclictest1123014-21kworker/u16:2+events_unbound16:25:075
1153104993129,2cyclictest1701736-21kworker/u16:3+flush-8:020:10:044
1153104993129,2cyclictest1701736-21kworker/u16:3+events_unbound20:17:054
1153104993129,2cyclictest1631074-21kworker/u16:2+events_unbound19:15:264
1153104993129,2cyclictest1550725-21kworker/u16:4+events_unbound18:42:034
1153104993129,2cyclictest1429586-21kworker/u16:4+flush-8:018:05:344
1153104993129,2cyclictest1368995-21kworker/u16:1+events_unbound18:19:114
1153114993029,0cyclictest0-21swapper/718:54:277
1153114993029,0cyclictest0-21swapper/716:40:397
1153114993029,0cyclictest0-21swapper/716:07:357
1153110993028,2cyclictest1722145-21kworker/u16:4+flush-8:020:46:046
1153110993028,2cyclictest1701736-21kworker/u16:3+events_unbound20:01:186
1153110993028,2cyclictest1701561-21kworker/u16:0+events_unbound20:16:266
1153110993028,2cyclictest1368995-21kworker/u16:1+events_unbound18:07:536
1153110993028,2cyclictest1358914-21kworker/u16:2+events_unbound18:20:236
1153110993028,2cyclictest1358914-21kworker/u16:2+events_unbound17:35:506
1153110993028,2cyclictest1328412-21kworker/u16:1+events_unbound16:55:506
1153106993028,2cyclictest1701736-21kworker/u16:3+events_unbound20:10:035
1153106993028,2cyclictest1580574-21kworker/u16:1+flush-8:019:37:145
1153106993028,2cyclictest1580574-21kworker/u16:1+events_unbound19:33:035
1153106993028,2cyclictest1368995-21kworker/u16:1+flush-8:017:58:445
1153106993028,2cyclictest1368995-21kworker/u16:1+events_unbound18:31:065
1153106993028,2cyclictest1368995-21kworker/u16:1+events_unbound18:07:495
1153106993028,2cyclictest1368995-21kworker/u16:1+events_unbound17:52:175
1153106993028,2cyclictest1123014-21kworker/u16:2+events_unbound16:16:395
1153104993028,2cyclictest1631074-21kworker/u16:2+flush-8:019:57:144
1153104993028,2cyclictest1550724-21kworker/u16:0+events_unbound18:47:274
1153104993028,2cyclictest1530450-21kworker/u16:3+events_unbound18:28:514
1153114992924,4cyclictest1297922-21fwupd16:29:407
1153114992923,5cyclictest1459987-21latency_hist17:53:157
1153110992927,2cyclictest1550724-21kworker/u16:0+flush-8:018:56:256
1153110992927,2cyclictest1358914-21kworker/u16:2+events_unbound17:20:066
1153110992927,2cyclictest1102825-21kworker/u16:0+flush-8:016:04:006
1153110992927,2cyclictest1102825-21kworker/u16:0+events_unbound16:16:196
1153106992927,2cyclictest1701561-21kworker/u16:0+events_unbound20:07:135
1153106992927,2cyclictest1631074-21kworker/u16:2+flush-8:019:52:555
1153106992927,2cyclictest1267960-21kworker/u16:3+flush-8:017:15:245
1153106992927,2cyclictest1267960-21kworker/u16:3+events_unbound16:59:055
1153104992927,2cyclictest1722145-21kworker/u16:4+events_unbound20:24:114
1153104992927,2cyclictest1631074-21kworker/u16:2+events_unbound19:21:494
1153104992927,2cyclictest1580574-21kworker/u16:1+flush-8:019:32:264
1153104992927,2cyclictest1102825-21kworker/u16:0+flush-8:016:42:074
1153104992927,2cyclictest1102825-21kworker/u16:0+events_unbound16:21:344
1153104992926,2cyclictest1530450-21kworker/u16:3+flush-8:018:58:184
1153104992926,2cyclictest1123014-21kworker/u16:2+flush-8:015:48:414
1153114992827,0cyclictest0-21swapper/718:37:237
1153110992826,2cyclictest1782331-21kworker/u16:2+flush-8:020:33:546
1153110992826,2cyclictest1550725-21kworker/u16:4+flush-8:019:40:586
1153110992826,2cyclictest1530450-21kworker/u16:3+events_unbound19:02:076
1153110992826,2cyclictest1448920-21kworker/u16:0+flush-8:017:52:506
1153110992826,2cyclictest1267960-21kworker/u16:3+events_unbound17:14:186
1153110992826,2cyclictest1102825-21kworker/u16:0+flush-8:017:03:066
1153106992826,2cyclictest1701561-21kworker/u16:0+flush-8:020:51:375
1153106992826,2cyclictest1701561-21kworker/u16:0+flush-8:020:32:515
1153106992826,2cyclictest1631074-21kworker/u16:2+events_unbound19:26:115
1153106992826,2cyclictest1631074-21kworker/u16:2+events_unbound19:20:075
1153106992826,2cyclictest1580574-21kworker/u16:1+flush-8:019:48:035
1153106992826,2cyclictest1550724-21kworker/u16:0+events_unbound18:47:585
1153106992826,2cyclictest1429586-21kworker/u16:4+events_unbound18:12:175
1153106992826,2cyclictest1358914-21kworker/u16:2+events_unbound18:35:505
1153106992826,2cyclictest1267960-21kworker/u16:3+flush-8:016:52:065
1153106992826,2cyclictest1267960-21kworker/u16:3+events_unbound16:39:275
1153106992826,2cyclictest1123014-21kworker/u16:2+flush-8:016:22:315
1153104992826,2cyclictest1590443-21kworker/u16:2+events_unbound18:56:544
1153104992826,2cyclictest1580574-21kworker/u16:1+events_unbound19:47:194
1153104992826,2cyclictest1227445-21kworker/u16:1+events_unbound16:04:594
1153114992726,0cyclictest0-21swapper/717:22:467
1153114992726,0cyclictest0-21swapper/715:54:387
1153114992725,1cyclictest0-21swapper/715:43:437
1153114992720,5cyclictest589235-21systemd-journal19:22:037
1153110992725,2cyclictest1701736-21kworker/u16:3+flush-8:020:21:096
1153110992725,2cyclictest1701561-21kworker/u16:0+events_unbound20:50:386
1153110992725,2cyclictest1631074-21kworker/u16:2+events_unbound19:31:226
1153110992725,2cyclictest1550724-21kworker/u16:0+events_unbound18:45:226
1153110992725,2cyclictest1368995-21kworker/u16:1+events_unbound17:09:076
1153110992725,2cyclictest1358914-21kworker/u16:2+flush-8:017:32:496
1153110992725,2cyclictest1102825-21kworker/u16:0+flush-8:016:35:586
1153106992725,2cyclictest1550724-21kworker/u16:0+events_unbound18:59:545
1153106992725,2cyclictest1429586-21kworker/u16:4+events_unbound17:56:035
1153106992725,2cyclictest1162759-21kworker/u16:3+events_unbound16:00:045
1153106992725,2cyclictest1102825-21kworker/u16:0+events_unbound16:04:015
1153104992725,2cyclictest1530450-21kworker/u16:3+flush-8:018:37:184
1153104992725,2cyclictest1368995-21kworker/u16:1+events_unbound17:15:074
1153104992725,2cyclictest1267960-21kworker/u16:3+events_unbound17:21:444
1153104992725,2cyclictest1162759-21kworker/u16:3+events_unbound15:31:154
1153104992725,2cyclictest1102825-21kworker/u16:0+events_unbound16:26:394
1153114992625,0cyclictest0-21swapper/720:17:147
1153114992625,0cyclictest0-21swapper/719:26:427
1153114992625,0cyclictest0-21swapper/719:10:487
1153114992625,0cyclictest0-21swapper/717:57:177
1153114992625,0cyclictest0-21swapper/717:48:097
1153114992625,0cyclictest0-21swapper/716:45:507
1153114992625,0cyclictest0-21swapper/716:12:307
1153114992621,4cyclictest1560767-21latency_hist18:43:157
1153110992624,2cyclictest1701736-21kworker/u16:3+events_unbound19:56:226
1153110992624,2cyclictest1701561-21kworker/u16:0+events_unbound20:31:336
1153110992624,2cyclictest1631074-21kworker/u16:2+flush-8:019:22:016
1153110992624,2cyclictest1580574-21kworker/u16:1+flush-8:019:47:226
1153110992624,2cyclictest1550725-21kworker/u16:4+events_unbound19:48:416
1153110992624,2cyclictest1162759-21kworker/u16:3+flush-8:015:30:586
1153110992624,2cyclictest1162759-21kworker/u16:3+events_unbound15:51:386
1153110992624,2cyclictest1162759-21kworker/u16:3+events_unbound15:24:426
1153110992624,2cyclictest1102825-21kworker/u16:0+flush-8:015:40:066
1153106992624,2cyclictest1358914-21kworker/u16:2+flush-8:017:12:295
1153106992624,2cyclictest1328412-21kworker/u16:1+events_unbound16:44:345
1153106992624,2cyclictest1267960-21kworker/u16:3+events_unbound17:19:545
1153106992624,2cyclictest1267960-21kworker/u16:3+events_unbound17:05:385
1153106992624,2cyclictest1162759-21kworker/u16:3+flush-8:015:45:275
1153106992624,2cyclictest1162759-21kworker/u16:3+events_unbound15:39:175
1153106992624,2cyclictest1123014-21kworker/u16:2+events_unbound15:31:425
1153106992624,2cyclictest1102825-21kworker/u16:0+events_unbound15:24:305
1153104992624,2cyclictest1580574-21kworker/u16:1+events_unbound19:39:504
1153104992624,2cyclictest1550725-21kworker/u16:4+events_unbound18:51:024
1153104992624,2cyclictest1409361-21kworker/u16:0+events_unbound17:29:074
1153104992624,2cyclictest1358914-21kworker/u16:2+events_unbound18:12:464
1153104992624,2cyclictest1328412-21kworker/u16:1+flush-8:016:52:254
1153104992624,2cyclictest1227445-21kworker/u16:1+events_unbound16:03:144
1153104992624,2cyclictest1102825-21kworker/u16:0+events_unbound15:44:504
1153114992524,0cyclictest0-21swapper/716:50:547
1153110992523,2cyclictest1580574-21kworker/u16:1+events_unbound19:25:226
1153110992523,2cyclictest1530450-21kworker/u16:3+flush-8:018:41:136
1153110992523,2cyclictest1267960-21kworker/u16:3+events_unbound17:03:416
1153110992523,2cyclictest1123014-21kworker/u16:2+flush-8:015:56:106
1153110992523,2cyclictest1123014-21kworker/u16:2+events_unbound15:47:596
1153110992523,2cyclictest1123014-21kworker/u16:2+events_unbound15:38:156
1153110992523,2cyclictest1102825-21kworker/u16:0+events_unbound16:42:526
1153106992523,2cyclictest1550725-21kworker/u16:4+events_unbound19:42:555
1153106992523,2cyclictest1298002-21kworker/u16:4+flush-8:016:30:055
1153106992523,2cyclictest1162759-21kworker/u16:3+flush-8:015:37:155
1153106992523,2cyclictest1102825-21kworker/u16:0+events_unbound15:49:525
1153104992523,2cyclictest1782331-21kworker/u16:2+flush-8:020:37:064
1153104992523,2cyclictest1701561-21kworker/u16:0+flush-8:020:01:144
1153104992523,2cyclictest1631074-21kworker/u16:2+events_unbound19:23:294
1153104992523,2cyclictest1550725-21kworker/u16:4+flush-8:019:12:584
1153104992523,2cyclictest1328412-21kworker/u16:1+events_unbound16:44:384
12780852240,1chrt1278084-21basename16:23:157
1153114992423,0cyclictest0-21swapper/720:26:217
1153114992423,0cyclictest0-21swapper/718:28:227
1153114992419,4cyclictest1822811-21latency_hist20:53:157
1153114992419,4cyclictest1570818-21latency_hist18:48:157
1153110992422,2cyclictest1701561-21kworker/u16:0+events_unbound20:43:116
1153110992422,2cyclictest1580574-21kworker/u16:1+flush-8:019:34:496
1153110992422,2cyclictest1530450-21kworker/u16:3+flush-8:018:48:416
1153110992422,2cyclictest1368995-21kworker/u16:1+flush-8:018:31:256
1153110992422,2cyclictest1267960-21kworker/u16:3+flush-8:016:47:506
1153106992422,2cyclictest1782331-21kworker/u16:2+events_unbound20:46:225
1153106992422,2cyclictest1701736-21kworker/u16:3+events_unbound20:21:535
1153106992422,2cyclictest1368995-21kworker/u16:1+events_unbound18:14:515
1153106992422,2cyclictest1123014-21kworker/u16:2+events_unbound15:54:595
1153106992421,2cyclictest1328412-21kworker/u16:1+flush-8:016:55:195
1153104992422,2cyclictest1722145-21kworker/u16:4+events_unbound20:51:454
1153104992422,2cyclictest1448920-21kworker/u16:0+events_unbound17:45:504
1153104992422,2cyclictest1358914-21kworker/u16:2+events_unbound17:41:554
1153104992422,2cyclictest1267960-21kworker/u16:3+events_unbound16:53:494
1153104992422,2cyclictest1102825-21kworker/u16:0+flush-8:016:33:324
1153104992421,2cyclictest1368995-21kworker/u16:1+flush-8:018:13:404
1153114992322,0cyclictest0-21swapper/719:03:097
1153114992322,0cyclictest0-21swapper/718:52:427
1153114992322,0cyclictest0-21swapper/717:01:537
1153114992322,0cyclictest0-21swapper/716:53:487
1153110992321,2cyclictest1631074-21kworker/u16:2+events_unbound19:16:216
1153110992321,2cyclictest1358914-21kworker/u16:2+flush-8:017:43:056
1153106992321,2cyclictest1631074-21kworker/u16:2+events_unbound20:01:495
1153104992321,2cyclictest1701561-21kworker/u16:0+flush-8:019:49:504
1153104992321,2cyclictest1409361-21kworker/u16:0+events_unbound17:27:354
1153104992321,2cyclictest1267960-21kworker/u16:3+events_unbound17:00:554
1153114992221,0cyclictest0-21swapper/718:05:307
1153110992220,2cyclictest1701736-21kworker/u16:3+flush-8:020:06:296
1153110992220,2cyclictest1448920-21kworker/u16:0+events_unbound17:55:246
1153110992220,2cyclictest1358914-21kworker/u16:2+events_unbound18:17:276
1153110992220,2cyclictest1328412-21kworker/u16:1+flush-8:016:51:076
1153106992220,2cyclictest1722145-21kworker/u16:4+flush-8:020:39:055
1153104992220,2cyclictest1701561-21kworker/u16:0+flush-8:020:31:494
1153104992220,2cyclictest1267960-21kworker/u16:3+flush-8:016:32:014
1153104992220,2cyclictest1123014-21kworker/u16:2+events_unbound16:16:534
1153114992120,0cyclictest0-21swapper/720:20:217
1153114992120,0cyclictest0-21swapper/720:12:187
1153110992119,2cyclictest1701561-21kworker/u16:0+events_unbound20:25:596
1153106992119,2cyclictest1358914-21kworker/u16:2+flush-8:017:24:425
1153104992118,2cyclictest1550725-21kworker/u16:4+events_unbound19:03:194
1153114992019,0cyclictest0-21swapper/720:41:177
1153114992019,0cyclictest0-21swapper/719:58:537
1153114992019,0cyclictest0-21swapper/719:05:547
1153114992019,0cyclictest0-21swapper/718:02:227
1153110992018,2cyclictest1448920-21kworker/u16:0+events_unbound17:44:326
1153110992018,2cyclictest1162759-21kworker/u16:3+events_unbound16:00:576
1153114991918,0cyclictest0-21swapper/717:28:337
1153114991918,0cyclictest0-21swapper/715:34:097
1153104991917,2cyclictest1722145-21kworker/u16:4+events_unbound20:45:574
1153114991818,0cyclictest0-21swapper/718:22:197
1153114991817,0cyclictest0-21swapper/720:44:197
1153114991817,0cyclictest0-21swapper/719:40:527
1153114991813,4cyclictest589235-21systemd-journal19:49:037
115311499179,7cyclictest27394-21gmain15:23:347
1153114991716,0cyclictest0-21swapper/717:08:307
1153114991716,0cyclictest0-21swapper/716:13:277
115311499170,16cyclictest1792605-21latency_hist20:38:157
1153104991715,2cyclictest1701736-21kworker/u16:3+flush-8:020:04:414
1153114991615,0cyclictest0-21swapper/716:36:137
115311499159,5cyclictest1177211-21latency_hist15:33:167
1153114991514,0cyclictest0-21swapper/715:51:317
115311499150,13cyclictest0-21swapper/718:13:387
115311499150,13cyclictest0-21swapper/717:33:397
1153114991313,0cyclictest0-21swapper/715:59:177
115311499129,2cyclictest4175659-21snmpd19:29:117
115311499127,4cyclictest4175659-21snmpd19:58:037
115311499126,5cyclictest1662528-21tune2fs19:33:297
1153114991212,0cyclictest0-21swapper/716:26:117
115311499120,11cyclictest1381999-21kthreadcore17:13:317
115311499120,11cyclictest0-21swapper/720:06:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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