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2026-05-11 - 21:19
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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 May 11, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9042312414,31sleep70-21swapper/707:04:377
90445824030,7sleep40-21swapper/407:07:474
90424923929,7sleep50-21swapper/507:04:515
904808993837,0cyclictest0-21swapper/707:13:407
904808993834,3cyclictest1420104-21fwupd07:59:197
904799993836,2cyclictest1261176-21kworker/u16:2+events_unbound10:08:295
90480899370,35cyclictest827-21dbus-daemon09:43:137
904798993735,2cyclictest885050-21kworker/u16:0+events_unbound07:28:294
904798993735,2cyclictest1081744-21kworker/u16:1+flush-8:009:38:404
904808993632,2cyclictest1227479-21irqstats09:43:307
904808993632,2cyclictest1227479-21irqstats09:43:307
904798993533,2cyclictest1141925-21kworker/u16:2+events_unbound09:18:294
904799993432,2cyclictest1120331-21kworker/u16:0+events_unbound09:08:295
904808993128,2cyclictest1332734-21ssh10:23:367
904799993129,2cyclictest937773-21kworker/u16:4+events_unbound08:51:525
904799993129,2cyclictest937773-21kworker/u16:4+events_unbound08:33:525
11637332310,0chrt1163731-21ssh09:17:057
904808993029,0cyclictest0-21swapper/711:28:407
904808993028,1cyclictest1260432-21ssh09:54:347
904808992928,0cyclictest0-21swapper/712:03:367
904798992927,2cyclictest1419592-21kworker/u16:3+events_unbound11:03:304
904799992826,2cyclictest937773-21kworker/u16:4+events_unbound07:55:285
904799992826,2cyclictest1188422-21kworker/u16:3+flush-8:010:38:415
904798992826,2cyclictest1566906-21kworker/u16:0+events_unbound12:18:284
904798992825,3cyclictest1188422-21kworker/u16:3+events_unbound09:33:364
90437522818,7sleep60-21swapper/607:06:376
904808992724,2cyclictest1590287-21ssh12:08:367
904808992722,3cyclictest956767-21latency_hist07:33:147
904799992725,2cyclictest937773-21kworker/u16:4+events_unbound08:06:325
904799992725,2cyclictest1130342-21kworker/u16:3+events_unbound09:08:135
904804992624,2cyclictest1261176-21kworker/u16:2+events_unbound11:13:306
904799992624,2cyclictest937773-21kworker/u16:4+events_unbound07:35:205
904799992624,2cyclictest914092-21kworker/u16:2+flush-8:007:21:205
904799992624,2cyclictest914092-21kworker/u16:2+events_unbound08:19:455
904799992624,2cyclictest914092-21kworker/u16:2+events_unbound08:19:455
904799992624,2cyclictest885050-21kworker/u16:0+events_unbound07:49:535
904799992623,2cyclictest1261176-21kworker/u16:2+events_unbound11:12:065
904799992623,2cyclictest1261176-21kworker/u16:2+events_unbound11:12:065
904798992624,2cyclictest914092-21kworker/u16:2+flush-8:007:23:374
904798992624,2cyclictest1188422-21kworker/u16:3+events_unbound10:18:394
904804992523,2cyclictest914092-21kworker/u16:2+flush-8:007:28:146
904799992523,2cyclictest914092-21kworker/u16:2+events_unbound08:12:455
904799992523,2cyclictest885050-21kworker/u16:0+events_unbound07:32:575
904798992523,2cyclictest1520568-21kworker/u16:1+flush-8:012:23:384
904798992523,2cyclictest1033643-21kworker/u16:0+flush-8:008:23:284
904804992421,3cyclictest1081744-21kworker/u16:1+events_unbound09:38:376
904799992422,2cyclictest914092-21kworker/u16:2+events_unbound08:44:525
904799992422,2cyclictest885050-21kworker/u16:0+flush-8:007:08:285
904799992422,2cyclictest1566906-21kworker/u16:0+events_unbound12:31:385
904798992422,2cyclictest1348845-21kworker/u16:4+events_unbound10:48:094
904808992322,0cyclictest0-21swapper/711:33:307
904808992318,4cyclictest1471091-21latency_hist11:23:147
904808992317,5cyclictest635-21systemd-journal10:08:147
90480899230,21cyclictest995227-21latency_hist07:53:147
904799992321,2cyclictest975953-21kworker/u16:1+events_unbound07:44:005
904799992321,2cyclictest914092-21kworker/u16:2+events_unbound08:41:475
904799992321,2cyclictest1482680-21kworker/u16:2+events_unbound11:31:285
904799992321,2cyclictest1261176-21kworker/u16:2+flush-8:010:43:405
904799992321,2cyclictest1004536-21kworker/u16:1+events_unbound08:02:365
904798992321,2cyclictest1419592-21kworker/u16:3+events_unbound11:08:424
904798992321,2cyclictest1419592-21kworker/u16:3+events_unbound11:08:424
904808992217,4cyclictest1373027-21latency_hist10:43:147
904804992221,1cyclictest1470136-21kworker/u16:0+events_unbound11:33:126
904804992220,2cyclictest885050-21kworker/u16:0+events_unbound07:38:296
904799992220,2cyclictest937773-21kworker/u16:4+events_unbound07:39:085
904799992220,2cyclictest885050-21kworker/u16:0+events_unbound07:18:005
904799992220,2cyclictest1569249-21kworker/u16:5+flush-8:012:25:385
904799992220,2cyclictest1395180-21kworker/u16:1+events_unbound10:51:075
904799992220,2cyclictest1081744-21kworker/u16:1+events_unbound10:24:215
904799992220,2cyclictest1081744-21kworker/u16:1+events_unbound09:14:315
904798992220,2cyclictest937773-21kworker/u16:4+events_unbound08:33:404
904798992220,2cyclictest1395180-21kworker/u16:1+events_unbound10:58:384
904798992220,2cyclictest1130342-21kworker/u16:3+events_unbound09:03:364
904808992120,0cyclictest0-21swapper/710:50:247
904804992119,2cyclictest1261176-21kworker/u16:2+events_unbound10:53:416
904804992117,3cyclictest1261176-21kworker/u16:2+flush-8:009:58:276
904799992119,2cyclictest937773-21kworker/u16:4+events_unbound08:55:335
904799992119,2cyclictest914092-21kworker/u16:2+events_unbound07:25:265
904799992119,2cyclictest1482680-21kworker/u16:2+events_unbound11:48:275
904799992119,2cyclictest1482680-21kworker/u16:2+events_unbound11:48:275
904799992119,2cyclictest1081744-21kworker/u16:1+events_unbound09:23:405
904798992119,2cyclictest937773-21kworker/u16:4+flush-8:008:38:384
904798992119,2cyclictest937773-21kworker/u16:4+events_unbound08:53:284
904798992119,2cyclictest914092-21kworker/u16:2+events_unbound08:13:384
904798992119,2cyclictest1495671-21kworker/u16:4+flush-8:011:43:424
904798992119,2cyclictest1482680-21kworker/u16:2+events_unbound11:35:394
904798992119,2cyclictest1188422-21kworker/u16:3+flush-8:009:28:434
904798992119,2cyclictest1033643-21kworker/u16:0+events_unbound08:28:394
904808992019,0cyclictest0-21swapper/710:32:337
904808992019,0cyclictest0-21swapper/708:28:297
904808992019,0cyclictest0-21swapper/707:53:327
904804992018,2cyclictest1120331-21kworker/u16:0+flush-8:009:33:426
904799992018,2cyclictest914092-21kworker/u16:2+events_unbound08:15:205
904799992018,2cyclictest1520568-21kworker/u16:1+events_unbound11:47:575
904799992018,2cyclictest1188422-21kworker/u16:3+flush-8:010:19:425
904798992018,2cyclictest851168-21kworker/u16:3+events_unbound07:13:274
904798992018,2cyclictest1520568-21kworker/u16:1+events_unbound12:03:264
904798992018,2cyclictest1130342-21kworker/u16:3+events_unbound09:13:284
904798992018,2cyclictest1081744-21kworker/u16:1+events_unbound09:44:564
904798992018,2cyclictest1081744-21kworker/u16:1+events_unbound09:44:564
904798992017,2cyclictest1261176-21kworker/u16:2+flush-8:010:03:244
904808991917,1cyclictest1323991-21perf10:23:137
904808991916,2cyclictest1247680-21ssh09:48:457
90480899190,4cyclictest1025-21runrttasks09:01:517
904804991917,2cyclictest1604018-21kworker/u16:2+events_unbound12:18:386
904799991917,2cyclictest1569249-21kworker/u16:5+flush-8:012:33:235
904799991917,2cyclictest1395180-21kworker/u16:1+flush-8:011:19:255
904799991917,2cyclictest1261176-21kworker/u16:2+flush-8:010:33:385
904799991917,2cyclictest1261176-21kworker/u16:2+events_unbound10:32:315
904799991917,2cyclictest1120331-21kworker/u16:0+events_unbound09:49:185
904799991917,2cyclictest1033643-21kworker/u16:0+events_unbound08:28:145
904799991916,2cyclictest1081744-21kworker/u16:1+events_unbound09:53:265
904798991917,2cyclictest885050-21kworker/u16:0+flush-8:007:33:364
904798991917,2cyclictest1566906-21kworker/u16:0+events_unbound12:10:044
904798991917,2cyclictest1261176-21kworker/u16:2+events_unbound10:28:444
904804991816,2cyclictest1495671-21kworker/u16:4+flush-8:011:58:476
904804991816,2cyclictest1188422-21kworker/u16:3+events_unbound10:18:296
904799991816,2cyclictest1495671-21kworker/u16:4+flush-8:011:53:285
904799991816,2cyclictest1419592-21kworker/u16:3+flush-8:011:16:215
904799991816,2cyclictest1419592-21kworker/u16:3+flush-8:011:05:365
904799991816,2cyclictest1274884-21kworker/u16:0+events_unbound10:04:075
904799991816,2cyclictest1120331-21kworker/u16:0+flush-8:009:39:255
904798991816,2cyclictest885050-21kworker/u16:0+events_unbound07:18:394
904798991816,2cyclictest1566906-21kworker/u16:0+events_unbound12:14:444
904798991816,2cyclictest1520568-21kworker/u16:1+flush-8:012:01:094
904798991816,2cyclictest1495671-21kworker/u16:4+flush-8:011:51:564
904798991816,2cyclictest1495671-21kworker/u16:4+flush-8:011:51:564
904798991816,2cyclictest1482680-21kworker/u16:2+flush-8:011:28:094
904798991816,2cyclictest1395180-21kworker/u16:1+events_unbound11:18:484
904798991816,2cyclictest1372854-21kworker/u16:0+events_unbound10:54:134
904798991816,2cyclictest1261176-21kworker/u16:2+events_unbound10:35:374
904798991816,2cyclictest1261176-21kworker/u16:2+events_unbound10:13:364
904798991816,2cyclictest1188422-21kworker/u16:3+events_unbound10:24:564
904798991816,2cyclictest1188422-21kworker/u16:3+events_unbound10:01:234
904804991715,2cyclictest1261176-21kworker/u16:2+flush-8:010:58:456
904799991715,2cyclictest1520568-21kworker/u16:1+flush-8:012:13:315
904799991715,2cyclictest1520568-21kworker/u16:1+events_unbound12:03:395
904799991715,2cyclictest1261176-21kworker/u16:2+flush-8:009:59:545
904799991715,2cyclictest1081744-21kworker/u16:1+flush-8:009:43:595
904799991715,2cyclictest1081744-21kworker/u16:1+flush-8:009:43:595
904799991715,2cyclictest1081744-21kworker/u16:1+flush-8:009:00:205
904798991715,2cyclictest937773-21kworker/u16:4+flush-8:009:02:494
904798991715,2cyclictest937773-21kworker/u16:4+events_unbound08:18:394
904798991715,2cyclictest937773-21kworker/u16:4+events_unbound08:18:394
904798991715,2cyclictest937773-21kworker/u16:4+events_unbound08:08:394
904798991715,2cyclictest1566906-21kworker/u16:0+flush-8:012:30:404
904798991715,2cyclictest1470136-21kworker/u16:0+events_unbound11:30:044
904798991715,2cyclictest1419592-21kworker/u16:3+events_unbound11:57:284
904798991715,2cyclictest1188422-21kworker/u16:3+flush-8:009:56:034
904798991715,2cyclictest1130342-21kworker/u16:3+events_unbound09:09:414
904798991715,2cyclictest1120331-21kworker/u16:0+events_unbound09:48:254
904808991614,1cyclictest1139817-21diskmemload09:23:247
904808991614,1cyclictest0-21swapper/711:08:357
904808991614,1cyclictest0-21swapper/711:08:357
90480899161,2cyclictest1651710-21ssh12:33:387
90480899160,14cyclictest1297774-21ssh10:10:247
904804991614,2cyclictest937773-21kworker/u16:4+events_unbound09:03:386
904799991614,2cyclictest914092-21kworker/u16:2+events_unbound08:26:345
904799991614,2cyclictest1569249-21kworker/u16:5+events_unbound12:22:135
904799991614,2cyclictest1520568-21kworker/u16:1+events_unbound11:59:585
904799991614,2cyclictest1482680-21kworker/u16:2+flush-8:011:33:405
904799991612,3cyclictest1188422-21kworker/u16:3+flush-8:009:33:325
904798991614,2cyclictest1470136-21kworker/u16:0+events_unbound11:39:554
904798991614,2cyclictest1261176-21kworker/u16:2+events_unbound11:16:084
904798991614,2cyclictest1081744-21kworker/u16:1+flush-8:008:45:244
904798991613,2cyclictest1120331-21kworker/u16:0+flush-8:009:23:174
904808991514,0cyclictest0-21swapper/709:28:417
904808991513,1cyclictest1544504-21sh11:53:027
904808991513,1cyclictest1544504-21sh11:53:027
904808991512,2cyclictest0-21swapper/709:08:147
904808991510,4cyclictest1520084-21latency_hist11:43:137
90480899150,14cyclictest0-21swapper/707:38:397
90480899150,13cyclictest1234-21snmpd10:00:547
90480899150,13cyclictest0-21swapper/708:38:387
90480499158,2cyclictest1188422-21kworker/u16:3+flush-8:010:38:376
904804991513,2cyclictest885050-21kworker/u16:0+events_unbound07:08:286
904804991513,2cyclictest1188422-21kworker/u16:3+events_unbound09:53:286
904804991513,2cyclictest1081744-21kworker/u16:1+flush-8:009:48:396
90480499151,1cyclictest0-21swapper/611:34:296
90480499150,1cyclictest0-21swapper/609:01:516
904799991513,2cyclictest1520568-21kworker/u16:1+events_unbound12:08:385
904798991513,2cyclictest885050-21kworker/u16:0+events_unbound07:08:354
904798991513,2cyclictest1261176-21kworker/u16:2+events_unbound10:12:414
90480899147,6cyclictest6382-21gvfs-afc-volume07:45:157
904808991413,0cyclictest0-21swapper/708:18:437
904808991413,0cyclictest0-21swapper/708:18:437
904808991412,1cyclictest1420565-21sh11:00:327
904808991412,1cyclictest1360308-21ssh10:37:317
90480499149,4cyclictest1644055-21cat12:33:296
904804991413,1cyclictest0-21swapper/612:10:456
904804991413,1cyclictest0-21swapper/610:23:286
904804991412,2cyclictest937773-21kworker/u16:4+events_unbound08:13:286
904804991412,2cyclictest1261176-21kworker/u16:2+events_unbound10:48:446
904804991412,2cyclictest1004536-21kworker/u16:1+flush-8:008:03:336
904804991411,2cyclictest1130342-21kworker/u16:3+flush-8:009:08:406
90480499140,14cyclictest0-21swapper/611:47:066
90480499140,14cyclictest0-21swapper/610:04:566
90480499140,14cyclictest0-21swapper/609:18:166
904799991412,2cyclictest1482680-21kworker/u16:2+events_unbound11:39:195
904799991412,2cyclictest1372854-21kworker/u16:0+flush-8:010:59:065
904799991412,2cyclictest1372854-21kworker/u16:0+events_unbound10:54:465
904799991412,2cyclictest1141925-21kworker/u16:2+flush-8:009:18:315
904798991413,1cyclictest0-21swapper/412:36:234
904798991412,2cyclictest937773-21kworker/u16:4+events_unbound08:48:314
904798991412,2cyclictest937773-21kworker/u16:4+events_unbound08:05:354
904798991412,2cyclictest914092-21kworker/u16:2+flush-8:007:48:404
904798991411,2cyclictest1348845-21kworker/u16:4+events_unbound10:38:174
90479899140,1cyclictest0-21swapper/410:52:194
90479899140,14cyclictest0-21swapper/407:47:524
90480899139,3cyclictest1234-21snmpd11:14:357
90480899139,3cyclictest1234-21snmpd10:56:357
90480899139,3cyclictest1234-21snmpd09:20:177
90480899139,3cyclictest1234-21snmpd08:35:017
90480899139,3cyclictest1234-21snmpd07:10:497
90480899130,11cyclictest1234-21snmpd12:13:487
904804991311,2cyclictest885050-21kworker/u16:0+flush-8:007:18:406
90480499130,13cyclictest0-21swapper/610:44:026
904799991311,2cyclictest1395180-21kworker/u16:1+events_unbound11:26:045
904799991311,2cyclictest1274884-21kworker/u16:0+flush-8:010:15:415
904798991311,2cyclictest1004536-21kworker/u16:1+events_unbound07:58:314
90480899129,2cyclictest0-21swapper/711:23:317
90480899128,3cyclictest6382-21gvfs-afc-volume11:04:457
90480899128,3cyclictest6101-21gmain08:43:327
90480899128,3cyclictest1234-21snmpd12:20:517
90480899128,3cyclictest1234-21snmpd10:43:527
90480899128,3cyclictest1234-21snmpd10:15:307
90480899128,3cyclictest1234-21snmpd09:03:257
90480899128,3cyclictest1234-21snmpd08:04:337
90480899128,3cyclictest1234-21snmpd07:33:417
90480899126,5cyclictest6382-21gvfs-afc-volume09:35:217
90480899126,5cyclictest1120485-21latency_hist08:58:147
904808991211,0cyclictest0-21swapper/708:12:477
904808991210,1cyclictest0-21swapper/711:54:247
90480899120,10cyclictest1234-21snmpd08:13:277
90480499129,3cyclictest937773-21kworker/u16:4+flush-8:007:59:326
90480499128,3cyclictest1569249-21kworker/u16:5+flush-8:012:23:316
904804991211,1cyclictest0-21swapper/610:33:476
904804991211,1cyclictest0-21swapper/610:13:276
904804991211,1cyclictest0-21swapper/607:53:366
904804991210,2cyclictest1419592-21kworker/u16:3+flush-8:011:03:386
90479899128,3cyclictest967467-21cat07:38:304
90480899119,1cyclictest1628317-21ssh12:24:247
90480899117,3cyclictest1234-21snmpd11:58:457
90480899117,3cyclictest1234-21snmpd08:49:527
90480899117,3cyclictest1234-21snmpd07:27:477
90480899110,10cyclictest1531702-21taskset11:47:037
90480499119,2cyclictest914092-21kworker/u16:2+flush-8:008:18:376
90480499119,2cyclictest914092-21kworker/u16:2+flush-8:008:18:376
90480499119,2cyclictest885050-21kworker/u16:0+flush-8:007:28:456
90480499119,2cyclictest86-21ksoftirqd/609:43:426
90480499119,2cyclictest86-21ksoftirqd/609:43:426
90480499119,2cyclictest1566906-21kworker/u16:0+flush-8:012:28:526
90480499119,2cyclictest1395180-21kworker/u16:1+flush-8:011:18:246
90480499118,2cyclictest1024622-21/usr/sbin/munin08:08:306
90480499116,4cyclictest986735-21cat07:48:296
904804991110,1cyclictest0-21swapper/611:23:556
904804991110,1cyclictest0-21swapper/609:26:196
904804991110,1cyclictest0-21swapper/608:48:006
904804991110,1cyclictest0-21swapper/608:24:496
90480499110,10cyclictest1601654-21kthreadcore12:13:346
90479999119,2cyclictest1081744-21kworker/u16:1+events_unbound09:32:415
90479899119,2cyclictest937773-21kworker/u16:4+events_unbound07:53:344
90480899106,3cyclictest6101-21gmain12:28:317
90480899100,9cyclictest1234-21snmpd08:23:217
90480499108,2cyclictest86-21ksoftirqd/607:13:266
90480499105,4cyclictest965334-21awk07:33:366
90480499105,4cyclictest1511014-21grep11:38:326
90480499104,5cyclictest0-21swapper/611:48:266
90480499104,5cyclictest0-21swapper/611:48:266
90480499104,5cyclictest0-21swapper/609:13:336
90480499100,9cyclictest1189704-21cpuspeed_turbos09:28:266
90480499100,9cyclictest1066683-21kthreadcore08:28:336
90480499100,4cyclictest1549999-21grep11:53:336
90480499100,3cyclictest1343006-21kthreadcore10:28:346
90480499100,3cyclictest1290569-21kthreadcore10:08:336
90480499100,3cyclictest1117720-21kthreadcore08:53:356
90480499100,0cyclictest0-21swapper/608:35:526
9048089995,3cyclictest1234-21snmpd07:20:567
9048049997,2cyclictest975953-21kworker/u16:1+flush-8:007:43:456
9048049996,2cyclictest1574159-21cut12:03:326
9048049995,3cyclictest1083158-21cat08:38:296
9048049990,8cyclictest0-21swapper/611:08:346
9048049990,8cyclictest0-21swapper/611:08:346
9048049983,4cyclictest1102597-21sed08:48:296
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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