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2026-03-30 - 21:52
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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 all highest latencies:
System rack0slot2.osadl.org (updated Mon Mar 30, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75180125848,7sleep60-21swapper/606:58:516
75194125646,7sleep50-21swapper/507:00:505
75189324939,7sleep40-21swapper/407:00:094
752364994745,2cyclictest1068085-21kworker/u16:3+events_unbound09:38:146
752364994644,2cyclictest1068085-21kworker/u16:3+events_unbound09:42:496
752364994543,2cyclictest1068085-21kworker/u16:3+events_unbound09:56:096
752366994436,7cyclictest1213678-21latency_hist10:37:477
75193424410,30sleep70-21swapper/707:00:447
752364994341,2cyclictest1238178-21kworker/u16:1+events_unbound11:35:416
752364994341,2cyclictest1238178-21kworker/u16:1+events_unbound11:35:416
752359994340,2cyclictest1018779-21kworker/u16:0+flush-8:009:57:475
752364994240,2cyclictest1334126-21kworker/u16:2+events_unbound12:25:416
752364994240,2cyclictest1334126-21kworker/u16:2+events_unbound11:51:506
752364994240,2cyclictest1146817-21kworker/u16:3+events_unbound10:38:416
752364994240,2cyclictest1146817-21kworker/u16:3+events_unbound10:36:266
752364994139,2cyclictest1394361-21kworker/u16:0+events_unbound12:15:586
752364994139,2cyclictest1394361-21kworker/u16:0+events_unbound12:15:586
752364994139,2cyclictest1238178-21kworker/u16:1+events_unbound12:32:086
752364994139,2cyclictest1238178-21kworker/u16:1+events_unbound10:52:326
752364994139,2cyclictest1165646-21kworker/u16:4+events_unbound10:27:136
752364994139,2cyclictest1146817-21kworker/u16:3+events_unbound10:53:566
752364994139,2cyclictest1129858-21kworker/u16:1+events_unbound10:05:146
752364994138,2cyclictest1238178-21kworker/u16:1+events_unbound11:43:016
752359994139,2cyclictest1018779-21kworker/u16:0+flush-8:011:02:465
8896442400,0sleep7889646-21date08:12:477
752366994035,4cyclictest650-21systemd-journal09:22:427
752364994038,2cyclictest1334126-21kworker/u16:2+events_unbound12:09:536
752364994038,2cyclictest1334126-21kworker/u16:2+events_unbound12:00:526
752364994038,2cyclictest1334126-21kworker/u16:2+events_unbound11:29:266
752364994038,2cyclictest1146817-21kworker/u16:3+events_unbound11:25:536
752364993937,2cyclictest1238178-21kworker/u16:1+events_unbound11:03:526
752364993937,2cyclictest1146817-21kworker/u16:3+events_unbound11:11:416
752364993937,2cyclictest1018779-21kworker/u16:0+events_unbound10:45:106
752364993937,2cyclictest1018779-21kworker/u16:0+events_unbound09:24:216
752355993937,2cyclictest1018779-21kworker/u16:0+events_unbound09:53:014
752364993836,2cyclictest985490-21kworker/u16:4+events_unbound09:17:296
752364993836,2cyclictest1334126-21kworker/u16:2+events_unbound12:03:536
752364993836,2cyclictest1238178-21kworker/u16:1+events_unbound10:59:306
752364993836,2cyclictest1068085-21kworker/u16:3+events_unbound09:50:136
752364993836,2cyclictest1018779-21kworker/u16:0+events_unbound10:17:296
752364993836,2cyclictest1018779-21kworker/u16:0+events_unbound10:17:296
752364993735,2cyclictest985490-21kworker/u16:4+events_unbound09:05:536
752364993735,2cyclictest784789-21kworker/u16:3+flush-8:008:48:116
752364993735,2cyclictest1238178-21kworker/u16:1+events_unbound11:41:056
752364993735,2cyclictest1146817-21kworker/u16:3+events_unbound10:21:176
752364993735,2cyclictest1018779-21kworker/u16:0+flush-8:009:28:266
752364993735,2cyclictest1018779-21kworker/u16:0+events_unbound11:19:186
752364993735,2cyclictest1018779-21kworker/u16:0+events_unbound10:00:296
752364993734,2cyclictest742569-21kworker/u16:0+events_unbound07:47:496
752359993733,3cyclictest1018779-21kworker/u16:0+flush-8:011:13:055
752355993735,2cyclictest1018779-21kworker/u16:0+events_unbound10:03:014
752366993630,5cyclictest1334161-21latency_hist11:27:467
752364993634,2cyclictest975164-21kworker/u16:1+events_unbound09:11:006
752364993634,2cyclictest1165646-21kworker/u16:4+events_unbound10:29:496
752364993634,2cyclictest1146817-21kworker/u16:3+events_unbound10:11:146
752364993533,2cyclictest784789-21kworker/u16:3+events_unbound08:17:456
752364993533,2cyclictest784789-21kworker/u16:3+events_unbound08:17:456
752364993533,2cyclictest1238178-21kworker/u16:1+events_unbound11:56:226
752364993533,2cyclictest1018779-21kworker/u16:0+events_unbound09:34:216
752364993533,2cyclictest1018779-21kworker/u16:0+events_unbound09:34:216
752359993533,2cyclictest1394361-21kworker/u16:0+flush-8:012:28:165
752355993533,2cyclictest1334126-21kworker/u16:2+flush-8:011:58:024
752364993432,2cyclictest723943-21kworker/u16:1+events_unbound07:10:026
752364993432,2cyclictest1334126-21kworker/u16:2+events_unbound12:22:396
752364993432,2cyclictest1018779-21kworker/u16:0+events_unbound09:19:386
752359993431,2cyclictest975164-21kworker/u16:1+events_unbound09:08:005
752359993330,2cyclictest1394361-21kworker/u16:0+flush-8:012:07:585
752359993330,2cyclictest1018779-21kworker/u16:0+flush-8:009:18:255
752355993331,2cyclictest1238178-21kworker/u16:1+events_unbound11:23:114
752364993230,2cyclictest851575-21kworker/u16:1+events_unbound08:02:426
752364993230,2cyclictest49761-21kworker/u16:2+events_unbound07:30:276
752364993230,2cyclictest49761-21kworker/u16:2+events_unbound07:30:276
752355993230,2cyclictest985490-21kworker/u16:4+flush-8:009:03:594
752355993230,2cyclictest1018779-21kworker/u16:0+events_unbound11:03:014
752366993126,4cyclictest956364-21latency_hist08:47:467
752364993129,2cyclictest742569-21kworker/u16:0+events_unbound08:29:586
752364993129,2cyclictest742569-21kworker/u16:0+events_unbound07:35:186
752359993129,2cyclictest1238178-21kworker/u16:1+flush-8:011:23:125
752359993129,2cyclictest1032260-21kworker/u16:2+events_unbound09:43:155
752355993129,2cyclictest1068085-21kworker/u16:3+events_unbound09:43:134
752364993028,2cyclictest784789-21kworker/u16:3+events_unbound08:21:066
752364993028,2cyclictest1146817-21kworker/u16:3+events_unbound11:14:446
752355993028,2cyclictest742569-21kworker/u16:0+events_unbound08:53:114
752355993028,2cyclictest1032260-21kworker/u16:2+events_unbound09:38:064
752364992927,2cyclictest784789-21kworker/u16:3+events_unbound08:26:586
752364992927,2cyclictest742569-21kworker/u16:0+events_unbound07:46:586
752364992927,2cyclictest49761-21kworker/u16:2+events_unbound07:25:596
752355992927,2cyclictest1032260-21kworker/u16:2+events_unbound09:28:044
752364992826,2cyclictest742569-21kworker/u16:0+events_unbound08:39:056
752359992826,2cyclictest1018779-21kworker/u16:0+events_unbound09:32:465
752355992826,2cyclictest985490-21kworker/u16:4+events_unbound09:18:104
752355992826,2cyclictest742569-21kworker/u16:0+flush-8:007:07:434
752366992720,6cyclictest1322142-21latency_hist11:22:477
752364992725,2cyclictest742569-21kworker/u16:0+events_unbound07:41:146
752364992725,2cyclictest742569-21kworker/u16:0+events_unbound07:16:296
752359992725,2cyclictest49761-21kworker/u16:2+flush-8:007:38:095
752355992725,2cyclictest1334126-21kworker/u16:2+events_unbound12:18:004
13692352270,1chrt1369234-21ssh11:40:517
752364992624,2cyclictest784789-21kworker/u16:3+events_unbound07:21:146
752359992624,2cyclictest784789-21kworker/u16:3+events_unbound08:18:065
752359992624,2cyclictest1068085-21kworker/u16:3+flush-8:009:48:265
752355992624,2cyclictest784789-21kworker/u16:3+events_unbound07:58:144
752355992624,2cyclictest723943-21kworker/u16:1+events_unbound07:08:014
752355992624,2cyclictest1334126-21kworker/u16:2+flush-8:012:23:094
752355992624,2cyclictest1146817-21kworker/u16:3+events_unbound10:58:004
752355992624,2cyclictest1018779-21kworker/u16:0+events_unbound10:34:094
752364992523,2cyclictest784789-21kworker/u16:3+events_unbound08:58:576
752364992523,2cyclictest784789-21kworker/u16:3+events_unbound08:10:256
752364992523,2cyclictest784789-21kworker/u16:3+events_unbound08:06:586
752359992523,2cyclictest784789-21kworker/u16:3+flush-8:008:48:035
752355992523,2cyclictest975164-21kworker/u16:1+events_unbound09:23:014
752355992523,2cyclictest784789-21kworker/u16:3+events_unbound09:13:114
752355992523,2cyclictest784789-21kworker/u16:3+events_unbound08:03:034
752355992523,2cyclictest723943-21kworker/u16:1+flush-8:007:17:424
752355992523,2cyclictest1146817-21kworker/u16:3+events_unbound10:38:084
752364992422,2cyclictest742569-21kworker/u16:0+events_unbound07:56:156
752359992422,2cyclictest1018779-21kworker/u16:0+flush-8:010:08:185
752359992422,2cyclictest1018779-21kworker/u16:0+flush-8:009:33:155
752359992422,2cyclictest1018779-21kworker/u16:0+flush-8:009:33:155
752359992422,2cyclictest1018779-21kworker/u16:0+events_unbound10:23:115
752355992422,2cyclictest784789-21kworker/u16:3+events_unbound08:33:114
752366992319,3cyclictest124-21kswapd011:47:467
752359992321,2cyclictest1032260-21kworker/u16:2+flush-8:009:27:475
752359992321,2cyclictest1018779-21kworker/u16:0+flush-8:010:28:175
752355992321,2cyclictest742569-21kworker/u16:0+flush-8:007:43:174
752355992321,2cyclictest1146817-21kworker/u16:3+events_unbound10:17:174
752355992321,2cyclictest1146817-21kworker/u16:3+events_unbound10:17:174
752355992321,2cyclictest1018779-21kworker/u16:0+events_unbound10:24:004
9563772220,0sleep50-21swapper/508:47:465
752364992220,2cyclictest723943-21kworker/u16:1+events_unbound07:02:546
752355992220,2cyclictest1146817-21kworker/u16:3+events_unbound10:52:594
752364992119,2cyclictest975164-21kworker/u16:1+events_unbound08:54:256
752355992119,2cyclictest742569-21kworker/u16:0+events_unbound07:48:014
752355992119,2cyclictest742569-21kworker/u16:0+events_unbound07:27:594
752355992119,2cyclictest742569-21kworker/u16:0+events_unbound07:27:594
752355992119,2cyclictest1334126-21kworker/u16:2+events_unbound12:07:304
752366992019,0cyclictest0-21swapper/708:03:497
752359992018,2cyclictest1165646-21kworker/u16:4+flush-8:010:43:175
752355992018,2cyclictest908980-21kworker/u16:2+flush-8:008:23:024
752355992018,2cyclictest49761-21kworker/u16:2+flush-8:007:38:154
752355992018,2cyclictest1334126-21kworker/u16:2+events_unbound12:31:334
752355992018,2cyclictest1146817-21kworker/u16:3+events_unbound10:48:124
752355992018,2cyclictest1018779-21kworker/u16:0+events_unbound10:18:534
752366991914,4cyclictest0-21swapper/709:07:477
75236699190,17cyclictest0-21swapper/707:48:127
752364991917,2cyclictest742569-21kworker/u16:0+events_unbound08:36:256
752359991917,2cyclictest49761-21kworker/u16:2+events_unbound07:23:155
752359991917,2cyclictest1146817-21kworker/u16:3+flush-8:010:12:585
752359991917,2cyclictest1146817-21kworker/u16:3+flush-8:010:12:585
752355991917,2cyclictest975164-21kworker/u16:1+flush-8:009:08:264
752355991917,2cyclictest1334126-21kworker/u16:2+events_unbound12:16:024
752355991917,2cyclictest1334126-21kworker/u16:2+events_unbound12:16:024
752355991917,2cyclictest1238178-21kworker/u16:1+events_unbound11:45:414
752355991917,2cyclictest1032260-21kworker/u16:2+events_unbound09:48:144
752355991917,2cyclictest1018779-21kworker/u16:0+events_unbound11:08:104
752355991917,2cyclictest1018779-21kworker/u16:0+events_unbound10:28:124
752355991917,2cyclictest1018779-21kworker/u16:0+events_unbound09:59:384
75236699189,8cyclictest0-21swapper/711:12:477
752359991816,2cyclictest1238178-21kworker/u16:1+flush-8:011:58:185
75235999180,17cyclictest842755-21fschecks_count07:48:025
752355991816,2cyclictest851575-21kworker/u16:1+flush-8:007:53:574
752355991816,2cyclictest784789-21kworker/u16:3+events_unbound08:08:064
752355991816,2cyclictest1018779-21kworker/u16:0+events_unbound10:09:304
75236699179,7cyclictest0-21swapper/711:27:467
75236699170,16cyclictest0-21swapper/712:08:117
752364991715,2cyclictest742569-21kworker/u16:0+events_unbound08:46:056
752359991715,2cyclictest49761-21kworker/u16:2+flush-8:007:33:065
752359991715,2cyclictest1334126-21kworker/u16:2+flush-8:011:54:545
752359991715,2cyclictest1146817-21kworker/u16:3+flush-8:011:17:575
752355991715,2cyclictest784789-21kworker/u16:3+events_unbound08:58:104
752355991715,2cyclictest49761-21kworker/u16:2+flush-8:007:23:164
752355991715,2cyclictest1356437-21kworker/u16:3+events_unbound11:48:454
752355991715,2cyclictest1334126-21kworker/u16:2+events_unbound11:42:294
752355991715,2cyclictest1334126-21kworker/u16:2+events_unbound11:33:054
752355991715,2cyclictest1334126-21kworker/u16:2+events_unbound11:33:054
752355991715,2cyclictest1018779-21kworker/u16:0+events_unbound11:22:104
75236699169,6cyclictest0-21swapper/709:23:107
75236699168,7cyclictest0-21swapper/709:28:057
75236699167,8cyclictest0-21swapper/710:28:127
75236699167,8cyclictest0-21swapper/710:13:017
75236699167,8cyclictest0-21swapper/710:13:017
752355991614,2cyclictest784789-21kworker/u16:3+flush-8:008:38:034
752355991614,2cyclictest1018779-21kworker/u16:0+events_unbound10:42:594
752355991612,3cyclictest957534-21cat08:48:034
75236699157,7cyclictest0-21swapper/712:28:037
75236699157,7cyclictest0-21swapper/712:18:087
75236699157,7cyclictest0-21swapper/711:58:077
75236699157,7cyclictest0-21swapper/711:53:077
75236699157,7cyclictest0-21swapper/710:48:117
75236699157,7cyclictest0-21swapper/710:12:237
75236699157,7cyclictest0-21swapper/709:43:567
75236699155,9cyclictest0-21swapper/711:13:087
75236699154,10cyclictest1078162-21ntpq09:38:137
75236699154,10cyclictest0-21swapper/710:58:007
75236699152,5cyclictest6053-21gmain10:27:007
752366991512,2cyclictest0-21swapper/707:52:487
752366991510,4cyclictest997088-21latency_hist09:07:477
75236699150,3cyclictest1274921-21rm11:03:007
752359991513,2cyclictest1238178-21kworker/u16:1+flush-8:011:07:425
752359991511,3cyclictest784789-21kworker/u16:3+events_unbound08:03:005
752355991513,2cyclictest784789-21kworker/u16:3+events_unbound08:43:154
752355991513,2cyclictest1334126-21kworker/u16:2+events_unbound12:12:184
752355991513,2cyclictest1238178-21kworker/u16:1+events_unbound11:55:124
75236699149,4cyclictest985006-21latency_hist09:02:477
75236699149,4cyclictest650-21systemd-journal07:37:477
75236699147,6cyclictest0-21swapper/711:49:227
75236699146,7cyclictest0-21swapper/712:23:117
75236699146,7cyclictest0-21swapper/712:13:057
75236699146,7cyclictest0-21swapper/712:13:057
75236699146,7cyclictest0-21swapper/710:53:107
75236699146,7cyclictest0-21swapper/710:42:597
75236699146,7cyclictest0-21swapper/710:06:397
75236699146,7cyclictest0-21swapper/710:01:377
75236699145,8cyclictest0-21swapper/712:05:537
75236699145,8cyclictest0-21swapper/709:55:017
75236699145,8cyclictest0-21swapper/709:47:527
75236699144,9cyclictest0-21swapper/710:38:017
75236699144,9cyclictest0-21swapper/710:19:077
75236699144,9cyclictest0-21swapper/709:13:117
752366991411,2cyclictest0-21swapper/707:02:487
752366991410,3cyclictest926720-21ntpq08:28:097
75236699140,13cyclictest0-21swapper/711:33:097
75236699140,13cyclictest0-21swapper/711:33:097
752359991413,1cyclictest0-21swapper/512:18:055
752359991412,2cyclictest1018779-21kworker/u16:0+events_unbound10:03:155
75235999140,2cyclictest0-21swapper/509:15:515
75235999140,1cyclictest0-21swapper/511:11:345
75235999140,14cyclictest0-21swapper/510:53:095
752355991412,2cyclictest784789-21kworker/u16:3+events_unbound08:19:234
752355991412,2cyclictest1032260-21kworker/u16:2+events_unbound09:36:174
752355991412,2cyclictest1032260-21kworker/u16:2+events_unbound09:36:174
75235599140,13cyclictest925172-21cut08:28:074
75235599140,13cyclictest0-21swapper/411:13:014
75236699138,4cyclictest650-21systemd-journal08:02:427
75236699135,7cyclictest0-21swapper/709:32:587
75236699135,7cyclictest0-21swapper/709:32:587
752366991312,0cyclictest0-21swapper/707:08:137
752359991312,1cyclictest0-21swapper/511:40:155
752359991312,1cyclictest0-21swapper/510:41:175
752359991312,1cyclictest0-21swapper/507:53:145
752359991311,2cyclictest851575-21kworker/u16:1+flush-8:008:08:135
752359991311,2cyclictest742569-21kworker/u16:0+events_unbound08:28:005
752359991311,2cyclictest1018779-21kworker/u16:0+events_unbound09:58:005
75235999130,13cyclictest0-21swapper/509:40:555
75236699129,2cyclictest1267-21snmpd07:46:257
75236699128,3cyclictest1267-21snmpd08:32:577
75236699125,6cyclictest0-21swapper/708:15:307
75236699125,6cyclictest0-21swapper/708:15:307
75236699124,7cyclictest96-21ksoftirqd/708:38:127
75236699124,6cyclictest907255-21grep08:18:067
75236699122,8cyclictest967400-21cut08:53:027
75236699120,10cyclictest0-21swapper/707:38:047
752359991211,1cyclictest0-21swapper/512:04:225
752359991211,1cyclictest0-21swapper/511:33:385
752359991211,1cyclictest0-21swapper/511:33:385
752359991211,1cyclictest0-21swapper/511:29:135
75235999120,1cyclictest0-21swapper/509:00:245
75235999120,12cyclictest0-21swapper/508:26:585
752355991210,2cyclictest1018779-21kworker/u16:0+events_unbound11:29:064
75236699118,2cyclictest0-21swapper/708:48:087
75236699117,3cyclictest1267-21snmpd07:22:227
75236699115,5cyclictest6184-21gvfs-afc-volume08:23:147
75236699114,6cyclictest96-21ksoftirqd/707:13:077
75236699114,6cyclictest807104-21cut07:28:067
75236699114,6cyclictest807104-21cut07:28:067
75236699114,6cyclictest0-21swapper/707:25:207
75235999119,2cyclictest1334126-21kworker/u16:2+flush-8:012:13:115
75235999119,2cyclictest1334126-21kworker/u16:2+flush-8:012:13:115
752359991110,1cyclictest0-21swapper/510:51:515
752359991110,1cyclictest0-21swapper/507:17:275
752359991110,1cyclictest0-21swapper/507:04:505
75235999110,10cyclictest0-21swapper/511:48:035
752355991110,1cyclictest0-21swapper/407:34:404
75235599110,11cyclictest0-21swapper/407:22:324
75235999109,1cyclictest0-21swapper/508:16:345
75235999109,1cyclictest0-21swapper/508:16:345
75235999109,1cyclictest0-21swapper/507:20:265
75235999108,2cyclictest1018779-21kworker/u16:0+flush-8:010:18:045
75235599104,2cyclictest893331-21grep08:13:064
75235599104,2cyclictest893331-21grep08:13:064
7523599998,1cyclictest0-21swapper/510:37:025
7523599998,1cyclictest0-21swapper/508:39:545
7523599998,1cyclictest0-21swapper/507:11:185
7523599995,3cyclictest1372373-21kthreadcore11:43:075
7523599993,4cyclictest861497-21grep07:57:595
7523599987,1cyclictest0-21swapper/508:37:325
7523599986,1cyclictest0-21swapper/512:23:045
7523599984,3cyclictest967417-21cut08:53:025
7523599975,1cyclictest0-21swapper/507:28:045
7523599975,1cyclictest0-21swapper/507:28:045
7523599973,3cyclictest985610-21grep09:02:595
7523599973,3cyclictest838302-21grep07:43:085
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