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2026-05-19 - 09:50
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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 376 highest latencies:
System rack0slot2.osadl.org (updated Tue May 19, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7613732820,1sleep7761375-21kthreadcore22:43:077
28890525949,7sleep40-21swapper/419:07:424
289233994846,2cyclictest485563-21kworker/u16:0+flush-8:021:13:156
289233994846,2cyclictest485563-21kworker/u16:0+flush-8:021:13:156
289226994543,2cyclictest485563-21kworker/u16:0+flush-8:021:08:094
28860124231,7sleep50-21swapper/519:03:265
628089410,34rtkit-daemon0-21swapper/619:03:296
289233994038,2cyclictest824208-21kworker/u16:1+events_unbound23:41:336
289226994038,2cyclictest691915-21kworker/u16:2+events_unbound22:43:094
289226994037,2cyclictest678680-21kworker/u16:0+events_unbound22:47:464
289233993937,2cyclictest824208-21kworker/u16:1+events_unbound23:57:136
289233993937,2cyclictest765765-21kworker/u16:3+events_unbound22:54:386
289233993836,2cyclictest824208-21kworker/u16:1+events_unbound00:09:296
289233993836,2cyclictest765765-21kworker/u16:3+events_unbound23:04:136
289233993836,2cyclictest572070-21kworker/u16:4+flush-8:021:32:056
289226993836,2cyclictest514097-21kworker/u16:3+flush-8:021:15:424
289226993836,2cyclictest514097-21kworker/u16:3+flush-8:021:15:424
289226993835,2cyclictest691915-21kworker/u16:2+flush-8:022:57:454
2885892383,29sleep70-21swapper/719:03:207
289233993735,2cyclictest837691-21kworker/u16:0+events_unbound23:19:186
289233993735,2cyclictest824208-21kworker/u16:1+events_unbound23:51:256
289233993735,2cyclictest572070-21kworker/u16:4+events_unbound21:45:066
289233993734,2cyclictest837691-21kworker/u16:0+events_unbound23:30:346
289226993735,2cyclictest824208-21kworker/u16:1+events_unbound00:32:414
289226993735,2cyclictest572070-21kworker/u16:4+events_unbound21:55:224
289226993735,2cyclictest572070-21kworker/u16:4+events_unbound21:55:224
289233993634,2cyclictest910668-21kworker/u16:0+events_unbound00:21:296
289233993634,2cyclictest765765-21kworker/u16:3+events_unbound23:15:336
289233993634,2cyclictest572070-21kworker/u16:4+events_unbound21:59:266
289233993634,2cyclictest514097-21kworker/u16:3+events_unbound21:12:066
289233993634,2cyclictest427764-21kworker/u16:1+events_unbound22:10:386
289233993634,2cyclictest427764-21kworker/u16:1+events_unbound21:53:386
289233993634,2cyclictest427764-21kworker/u16:1+events_unbound21:53:386
289233993634,2cyclictest427764-21kworker/u16:1+events_unbound21:52:436
289226993634,2cyclictest765765-21kworker/u16:3+events_unbound23:05:534
289233993533,2cyclictest931997-21kworker/u16:4+flush-8:000:04:096
289233993533,2cyclictest691915-21kworker/u16:2+events_unbound22:51:466
289233993533,2cyclictest691915-21kworker/u16:2+events_unbound22:45:416
289233993533,2cyclictest691915-21kworker/u16:2+events_unbound22:33:266
289233993533,2cyclictest691915-21kworker/u16:2+events_unbound22:33:266
289233993533,2cyclictest572070-21kworker/u16:4+flush-8:021:39:256
289233993533,2cyclictest572070-21kworker/u16:4+events_unbound22:20:176
289233993533,2cyclictest427764-21kworker/u16:1+events_unbound21:37:376
289226993533,2cyclictest824208-21kworker/u16:1+events_unbound23:10:384
289226993533,2cyclictest485563-21kworker/u16:0+events_unbound21:24:074
289226993532,2cyclictest427764-21kworker/u16:1+flush-8:021:58:094
289233993432,2cyclictest824208-21kworker/u16:1+events_unbound00:16:416
289233993432,2cyclictest691915-21kworker/u16:2+events_unbound22:16:516
289233993432,2cyclictest678680-21kworker/u16:0+events_unbound23:01:036
289233993432,2cyclictest350318-21kworker/u16:3+flush-8:020:42:466
289226993432,2cyclictest983190-21kworker/u16:5+events_unbound00:27:304
289226993432,2cyclictest691915-21kworker/u16:2+events_unbound23:13:464
289233993331,2cyclictest983190-21kworker/u16:5+flush-8:000:34:006
289233993331,2cyclictest931997-21kworker/u16:4+events_unbound00:00:056
289233993331,2cyclictest824208-21kworker/u16:1+events_unbound23:47:176
289233993331,2cyclictest485563-21kworker/u16:0+events_unbound21:25:306
289226993331,2cyclictest983190-21kworker/u16:5+events_unbound00:20:464
289226993331,2cyclictest910668-21kworker/u16:0+events_unbound00:00:534
289226993331,2cyclictest837691-21kworker/u16:0+flush-8:023:37:414
289226993331,2cyclictest691915-21kworker/u16:2+events_unbound22:35:574
289226993331,2cyclictest691915-21kworker/u16:2+events_unbound22:35:574
289226993331,2cyclictest427764-21kworker/u16:1+events_unbound21:19:514
289226993330,2cyclictest947032-21kworker/u16:2+events_unbound00:17:094
289236993229,2cyclictest827-21dbus-daemon19:57:447
289233993230,2cyclictest691915-21kworker/u16:2+events_unbound22:24:176
289233993230,2cyclictest485563-21kworker/u16:0+events_unbound21:21:376
289226993230,2cyclictest983190-21kworker/u16:5+events_unbound00:34:304
289226993230,2cyclictest947032-21kworker/u16:2+events_unbound00:04:134
289226993230,2cyclictest824208-21kworker/u16:1+flush-8:000:10:384
289226993230,2cyclictest644633-21kworker/u16:2+events_unbound22:07:384
289226993230,2cyclictest572070-21kworker/u16:4+flush-8:021:33:374
289226993230,2cyclictest572070-21kworker/u16:4+events_unbound22:25:494
289226993230,2cyclictest572070-21kworker/u16:4+events_unbound22:19:104
289233993129,2cyclictest691915-21kworker/u16:2+events_unbound22:42:416
289233993129,2cyclictest678680-21kworker/u16:0+events_unbound23:09:106
289226993129,2cyclictest910668-21kworker/u16:0+flush-8:023:48:294
289226993129,2cyclictest910668-21kworker/u16:0+events_unbound23:57:224
289226993129,2cyclictest765765-21kworker/u16:3+events_unbound23:21:424
289226993129,2cyclictest678680-21kworker/u16:0+events_unbound22:30:464
289226993129,2cyclictest572070-21kworker/u16:4+events_unbound22:14:134
289226993129,2cyclictest494984-21kworker/u16:2+events_unbound21:30:384
289226993129,2cyclictest427764-21kworker/u16:1+events_unbound21:51:274
289233993028,2cyclictest726763-21kworker/u16:1+events_unbound22:30:016
289233993028,2cyclictest644633-21kworker/u16:2+events_unbound22:07:096
289233993028,2cyclictest321855-21kworker/u16:2+events_unbound20:30:546
289226993028,2cyclictest572070-21kworker/u16:4+events_unbound21:39:384
289226993027,2cyclictest241472-21kworker/u16:0+events_unbound19:22:464
289233992927,2cyclictest983190-21kworker/u16:5+events_unbound00:30:596
289233992927,2cyclictest494984-21kworker/u16:2+events_unbound21:02:596
289233992927,2cyclictest427764-21kworker/u16:1+flush-8:020:19:546
289233992927,2cyclictest302872-21kworker/u16:1+events_unbound19:21:306
289233992927,2cyclictest241472-21kworker/u16:0+events_unbound19:28:556
289226992927,2cyclictest883680-21kworker/u16:2+events_unbound23:41:094
289226992927,2cyclictest837691-21kworker/u16:0+flush-8:023:28:494
289226992927,2cyclictest726763-21kworker/u16:1+events_unbound22:39:344
289236992826,1cyclictest0-21swapper/722:38:027
289236992823,4cyclictest801634-21latency_hist23:02:447
28923699280,26cyclictest581482-21cat21:28:127
289233992826,2cyclictest466312-21kworker/u16:4+events_unbound20:37:546
289233992826,2cyclictest350318-21kworker/u16:3+events_unbound20:25:556
289226992826,2cyclictest837691-21kworker/u16:0+events_unbound23:23:344
289226992826,2cyclictest765765-21kworker/u16:3+events_unbound22:55:414
28923699270,25cyclictest501803-21cut20:53:057
289233992725,2cyclictest983190-21kworker/u16:5+events_unbound00:26:336
289233992725,2cyclictest883680-21kworker/u16:2+flush-8:023:36:506
289233992725,2cyclictest837691-21kworker/u16:0+events_unbound23:23:516
289228992725,2cyclictest910668-21kworker/u16:0+flush-8:000:23:035
289226992725,2cyclictest883680-21kworker/u16:2+events_unbound23:46:064
289226992725,2cyclictest678680-21kworker/u16:0+events_unbound22:11:454
289226992725,2cyclictest572070-21kworker/u16:4+events_unbound21:47:214
289233992624,2cyclictest321855-21kworker/u16:2+events_unbound19:55:556
289228992623,2cyclictest427764-21kworker/u16:1+flush-8:021:38:055
289226992624,2cyclictest321855-21kworker/u16:2+flush-8:019:53:134
7395402250,1chrt739538-21ssh22:34:347
7395402250,1chrt739538-21ssh22:34:347
289236992522,2cyclictest864-21NetworkManager20:13:077
289233992523,2cyclictest360459-21kworker/u16:1+events_unbound19:45:386
289233992523,2cyclictest302872-21kworker/u16:1+events_unbound19:24:396
289233992523,2cyclictest241472-21kworker/u16:0+events_unbound20:10:546
289228992523,2cyclictest485563-21kworker/u16:0+flush-8:021:13:455
289228992523,2cyclictest485563-21kworker/u16:0+flush-8:021:13:455
289226992523,2cyclictest494984-21kworker/u16:2+events_unbound20:58:534
289226992523,2cyclictest427764-21kworker/u16:1+events_unbound20:53:094
289236992422,1cyclictest717498-21ssh22:27:467
289233992422,2cyclictest427764-21kworker/u16:1+events_unbound20:48:126
289233992321,2cyclictest485563-21kworker/u16:0+events_unbound20:58:146
289233992321,2cyclictest241472-21kworker/u16:0+events_unbound19:17:416
289226992321,2cyclictest427764-21kworker/u16:1+events_unbound20:39:464
289226992320,2cyclictest321855-21kworker/u16:2+events_unbound19:37:474
289228992219,2cyclictest427764-21kworker/u16:1+flush-8:021:53:015
289228992219,2cyclictest427764-21kworker/u16:1+flush-8:021:53:015
289236992120,0cyclictest0-21swapper/723:53:027
289236992120,0cyclictest0-21swapper/719:13:067
28923699210,19cyclictest946566-21latency_hist00:02:447
28923699210,19cyclictest777415-21latency_hist22:52:447
289233992119,2cyclictest241472-21kworker/u16:0+events_unbound19:49:466
289226992119,2cyclictest350318-21kworker/u16:3+flush-8:020:33:534
289226992119,2cyclictest350318-21kworker/u16:3+flush-8:020:33:534
289226992119,2cyclictest350318-21kworker/u16:3+events_unbound20:20:544
289226992119,2cyclictest241472-21kworker/u16:0+events_unbound19:18:554
28923699201,17cyclictest1003884-21ssh00:23:057
289226992018,2cyclictest427764-21kworker/u16:1+events_unbound20:46:544
289226992018,2cyclictest270110-21kworker/u16:4+events_unbound19:12:544
289236991914,4cyclictest331434-21latency_hist19:27:457
289226991917,2cyclictest514097-21kworker/u16:3+events_unbound21:04:544
289226991917,2cyclictest321855-21kworker/u16:2+flush-8:019:58:444
289226991917,2cyclictest321855-21kworker/u16:2+events_unbound19:49:544
289226991917,2cyclictest241472-21kworker/u16:0+events_unbound19:32:464
289236991817,0cyclictest0-21swapper/721:38:027
289236991816,1cyclictest0-21swapper/721:53:087
289236991816,1cyclictest0-21swapper/721:53:087
289236991813,4cyclictest620370-21latency_hist21:47:447
28923699180,17cyclictest0-21swapper/723:43:117
289233991816,2cyclictest350318-21kworker/u16:3+events_unbound20:04:476
289233991816,2cyclictest270110-21kworker/u16:4+events_unbound19:12:386
289233991816,2cyclictest241472-21kworker/u16:0+events_unbound20:14:456
289228991816,2cyclictest427764-21kworker/u16:1+events_unbound22:07:585
289236991716,0cyclictest0-21swapper/721:18:107
289236991714,2cyclictest124-21kswapd023:23:057
289233991715,2cyclictest427764-21kworker/u16:1+events_unbound20:54:476
289233991715,2cyclictest350318-21kworker/u16:3+events_unbound19:59:346
289233991715,2cyclictest241472-21kworker/u16:0+events_unbound19:41:356
28922899170,1cyclictest0-21swapper/522:58:095
28923699168,7cyclictest6101-21gmain22:13:017
289236991615,0cyclictest0-21swapper/723:28:137
289236991615,0cyclictest0-21swapper/700:08:137
28923699160,14cyclictest632481-21turbostat21:52:437
289233991614,2cyclictest321855-21kworker/u16:2+events_unbound19:35:516
289228991614,2cyclictest883680-21kworker/u16:2+flush-8:023:38:145
289226991614,2cyclictest485563-21kworker/u16:0+events_unbound20:49:384
289226991614,2cyclictest350318-21kworker/u16:3+events_unbound20:06:384
289236991510,4cyclictest475540-21latency_hist20:42:447
28923699150,13cyclictest656723-21latency_hist22:02:447
289236991413,0cyclictest0-21swapper/723:18:007
289236991413,0cyclictest0-21swapper/722:09:407
289236991413,0cyclictest0-21swapper/720:33:087
289236991413,0cyclictest0-21swapper/720:33:087
289236991413,0cyclictest0-21swapper/719:08:007
28923699140,12cyclictest810583-21ssh23:03:097
28922899146,7cyclictest0-21swapper/520:27:465
289228991413,1cyclictest0-21swapper/523:52:355
289228991413,1cyclictest0-21swapper/522:56:375
289228991413,1cyclictest0-21swapper/522:44:475
289228991413,1cyclictest0-21swapper/522:22:435
289228991413,1cyclictest0-21swapper/500:13:055
28922899140,1cyclictest0-21swapper/523:08:455
9574112130,0sleep7957412-21sh00:05:217
28923699139,3cyclictest456352-21munin-run20:32:447
28923699139,3cyclictest1234-21snmpd20:49:557
28923699139,3cyclictest1234-21snmpd20:46:467
28923699139,3cyclictest1234-21snmpd20:02:157
28923699139,3cyclictest1234-21snmpd19:39:507
289236991312,0cyclictest0-21swapper/721:33:007
289236991311,1cyclictest0-21swapper/723:12:447
289236991311,1cyclictest0-21swapper/721:07:447
289236991311,1cyclictest0-21swapper/721:03:027
289236991310,2cyclictest0-21swapper/723:52:437
289233991311,2cyclictest446771-21kworker/u16:0+events_unbound20:34:586
289233991311,2cyclictest446771-21kworker/u16:0+events_unbound20:34:586
28922899138,4cyclictest561186-21cat21:22:585
289228991312,1cyclictest0-21swapper/523:22:285
289228991312,1cyclictest0-21swapper/522:33:175
289228991312,1cyclictest0-21swapper/522:33:175
289228991312,1cyclictest0-21swapper/522:03:105
289228991312,1cyclictest0-21swapper/521:46:185
289228991312,1cyclictest0-21swapper/521:08:475
289228991312,1cyclictest0-21swapper/500:32:575
289228991310,2cyclictest407675-21/usr/sbin/munin20:03:115
28922899130,13cyclictest0-21swapper/521:48:075
28922899130,13cyclictest0-21swapper/519:18:065
289226991311,2cyclictest321855-21kworker/u16:2+events_unbound20:23:114
28923699129,2cyclictest0-21swapper/700:33:087
28923699128,3cyclictest1234-21snmpd23:38:297
28923699128,3cyclictest1234-21snmpd21:22:597
28923699128,3cyclictest1234-21snmpd21:00:227
28923699126,5cyclictest1234-21snmpd19:43:087
289236991211,0cyclictest0-21swapper/722:25:327
28923699120,10cyclictest1234-21snmpd19:34:027
289228991211,1cyclictest0-21swapper/523:37:365
289226991210,2cyclictest321855-21kworker/u16:2+flush-8:020:08:384
289226991210,2cyclictest225616-21kworker/u16:2+flush-8:019:07:584
28922699120,1cyclictest0-21swapper/419:28:594
28923699118,2cyclictest1234-21snmpd20:03:337
28923699118,2cyclictest0-21swapper/721:13:097
28923699118,2cyclictest0-21swapper/721:13:097
28923699117,3cyclictest1234-21snmpd23:37:327
28923699116,4cyclictest6382-21gvfs-afc-volume20:23:067
28923699116,3cyclictest0-21swapper/722:03:097
28923699115,5cyclictest6382-21gvfs-afc-volume22:19:307
28923699115,5cyclictest6382-21gvfs-afc-volume00:15:547
28923699110,10cyclictest1234-21snmpd20:09:187
28923699110,10cyclictest1234-21snmpd00:20:397
28922899113,5cyclictest409179-21cat20:07:575
289228991110,1cyclictest0-21swapper/521:30:415
289228991110,1cyclictest0-21swapper/521:00:255
289228991110,1cyclictest0-21swapper/520:38:595
289228991110,1cyclictest0-21swapper/520:22:255
289228991110,1cyclictest0-21swapper/519:40:205
28922899110,11cyclictest0-21swapper/519:16:125
28922699118,2cyclictest321855-21kworker/u16:2+flush-8:020:12:554
28923699107,2cyclictest816316-21ssh23:08:027
28923699107,2cyclictest0-21swapper/700:28:007
28923699106,3cyclictest6382-21gvfs-afc-volume20:18:007
28923699106,3cyclictest1234-21snmpd22:55:527
28923699106,3cyclictest1234-21snmpd19:29:207
28923699106,3cyclictest0-21swapper/719:52:377
28922899108,2cyclictest360459-21kworker/u16:1+flush-8:019:48:105
28922899106,3cyclictest899453-21cat23:43:025
28922899106,3cyclictest706331-21cat22:22:595
28922699108,2cyclictest321855-21kworker/u16:2+events_unbound20:31:394
2892369995,3cyclictest5819-21gnome-shell19:20:537
2892289998,1cyclictest0-21swapper/520:51:075
2892289995,3cyclictest380616-21cat19:53:005
2892289994,4cyclictest984132-21cat00:17:595
2892289991,4cyclictest835284-21unixbench_singl23:13:145
2892289990,8cyclictest0-21swapper/519:07:475
2892289986,1cyclictest0-21swapper/519:33:035
2892289984,3cyclictest515169-21grep21:02:595
2892289983,4cyclictest967865-21sensors_temp00:08:135
2892289983,4cyclictest929610-21tr23:53:015
2892289983,4cyclictest866268-21cat23:28:025
2892289983,4cyclictest859523-21vmstat23:23:145
2892289983,4cyclictest498076-21cut20:53:025
2892289983,4cyclictest446245-21timerwakeupswit20:23:115
2892289983,4cyclictest361075-21expr19:42:585
2892289983,4cyclictest1-21systemd20:37:445
2892289983,4cyclictest1-21systemd20:37:445
2892269984,3cyclictest368018-21kthreadcore19:43:064
2892289975,1cyclictest0-21swapper/522:48:005
2892289975,1cyclictest0-21swapper/500:28:015
2892289974,2cyclictest938442-21kthreadcore23:58:035
2892289973,3cyclictest718011-21cat22:27:575
2892289973,3cyclictest681906-21tune2fs22:12:595
2892289973,3cyclictest645950-21awk21:58:015
2892289973,3cyclictest585369-21interrupts21:32:585
2892289973,3cyclictest418948-21cut20:12:575
2892289973,3cyclictest391304-21cut19:58:015
2892289973,1cyclictest681rcuog/422:38:005
2892289972,4cyclictest948360-21tr00:03:025
2892289972,4cyclictest802629-21df_inode23:02:565
2892289972,4cyclictest476111-21tr20:42:565
2892289972,4cyclictest335594-21cat19:28:035
2892289972,4cyclictest322299-21cat19:22:565
2892289971,1cyclictest5485532grep21:17:555
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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