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2026-05-03 - 16:23
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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 Sun May 03, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
303265925847,7sleep40-21swapper/407:03:534
304150425545,7sleep50-21swapper/507:04:505
3042074995248,3cyclictest3360587-21kworker/u16:0+flush-8:011:38:456
3042074995248,3cyclictest3360587-21kworker/u16:0+flush-8:011:38:456
3042066994341,2cyclictest3626738-21kworker/u16:1+flush-8:011:54:164
3042066994240,2cyclictest3494213-21kworker/u16:4+events_unbound11:16:014
3042066994139,2cyclictest3494213-21kworker/u16:4+flush-8:011:34:454
3042066994139,2cyclictest3494213-21kworker/u16:4+flush-8:011:34:454
30415532417,29sleep70-21swapper/707:05:337
3042066993937,2cyclictest3493917-21kworker/u16:3+flush-8:010:50:534
3042066993836,2cyclictest3747913-21kworker/u16:3+events_unbound12:33:014
3042066993836,2cyclictest3360587-21kworker/u16:0+events_unbound10:03:414
3042066993735,2cyclictest3372747-21kworker/u16:5+events_unbound10:07:084
3042066993734,2cyclictest2775326-21kworker/u16:3+events_unbound07:54:014
3042066993634,2cyclictest3360587-21kworker/u16:0+flush-8:010:57:124
3042066993634,2cyclictest3064997-21kworker/u16:2+flush-8:007:28:464
3042066993634,2cyclictest3064997-21kworker/u16:2+flush-8:007:28:464
3042066993633,2cyclictest3360587-21kworker/u16:0+events_unbound12:38:084
3042079993429,4cyclictest3602634-21latency_hist11:23:467
3042074993432,2cyclictest3360587-21kworker/u16:0+flush-8:011:33:456
3042066993433,1cyclictest3493917-21kworker/u16:3+events_unbound11:21:454
3042066993432,2cyclictest3372747-21kworker/u16:5+flush-8:009:56:374
3042066993432,2cyclictest3360587-21kworker/u16:0+events_unbound11:40:214
3042074993330,2cyclictest3312079-21kworker/u16:1+events_unbound10:24:006
3042069993331,2cyclictest3122573-21kworker/u16:2+flush-8:008:07:335
3042066993331,2cyclictest3312079-21kworker/u16:1+events_unbound09:51:014
3042066993331,2cyclictest3170796-21kworker/u16:3+events_unbound08:23:414
3042066993230,2cyclictest3360587-21kworker/u16:0+events_unbound11:29:564
3042069993129,2cyclictest3312079-21kworker/u16:1+events_unbound10:34:165
3042066993129,2cyclictest3638878-21kworker/u16:5+events_unbound12:18:284
3042066993129,2cyclictest3638878-21kworker/u16:5+events_unbound12:18:284
3042066993129,2cyclictest3150837-21kworker/u16:0+flush-8:008:03:454
3042066993129,2cyclictest3122573-21kworker/u16:2+flush-8:009:32:334
3042074993027,2cyclictest3150837-21kworker/u16:0+events_unbound08:49:046
3042066993029,1cyclictest3493917-21kworker/u16:3+events_unbound11:27:294
3042066993028,2cyclictest3360587-21kworker/u16:0+flush-8:012:11:164
3042066993028,2cyclictest3122573-21kworker/u16:2+flush-8:009:10:534
3042079992928,0cyclictest0-21swapper/711:09:127
3042066992927,2cyclictest3638878-21kworker/u16:5+flush-8:012:22:524
3042066992927,2cyclictest3494213-21kworker/u16:4+flush-8:010:59:204
3042066992927,2cyclictest3494213-21kworker/u16:4+events_unbound11:08:324
3042066992927,2cyclictest3360587-21kworker/u16:0+events_unbound10:35:284
3042066992927,2cyclictest3122573-21kworker/u16:2+events_unbound09:35:014
3042066992927,2cyclictest3122573-21kworker/u16:2+events_unbound09:35:014
3042074992825,3cyclictest3150837-21kworker/u16:0+flush-8:008:28:416
3042074992825,3cyclictest3122573-21kworker/u16:2+flush-8:008:18:416
3042074992825,2cyclictest3360587-21kworker/u16:0+events_unbound11:48:596
3042069992825,2cyclictest3170796-21kworker/u16:3+events_unbound09:18:585
3042066992826,2cyclictest3360587-21kworker/u16:0+events_unbound10:31:404
3042066992826,2cyclictest3360587-21kworker/u16:0+events_unbound10:25:054
3042066992826,2cyclictest3170796-21kworker/u16:3+events_unbound09:40:574
3042079992726,0cyclictest0-21swapper/709:19:127
304207999270,25cyclictest3275856-21latency_hist09:08:467
3042066992725,2cyclictest3638878-21kworker/u16:5+events_unbound11:45:524
3042066992725,2cyclictest3626738-21kworker/u16:1+events_unbound12:03:524
3042066992725,2cyclictest3372747-21kworker/u16:5+flush-8:010:09:174
3042066992725,2cyclictest3360587-21kworker/u16:0+flush-8:011:51:284
3042066992725,2cyclictest3360587-21kworker/u16:0+events_unbound12:00:044
3042066992725,2cyclictest3360587-21kworker/u16:0+events_unbound11:09:274
3042066992725,2cyclictest3170796-21kworker/u16:3+events_unbound09:17:364
3042066992725,2cyclictest3122573-21kworker/u16:2+events_unbound09:22:564
3042074992624,2cyclictest3626738-21kworker/u16:1+flush-8:012:09:086
3042074992623,2cyclictest3122573-21kworker/u16:2+flush-8:008:39:016
3042069992624,2cyclictest3360587-21kworker/u16:0+flush-8:011:17:005
3042066992624,2cyclictest3312079-21kworker/u16:1+events_unbound09:46:414
3042066992624,2cyclictest3122573-21kworker/u16:2+events_unbound08:29:174
3042079992523,1cyclictest3757135-21ssh12:24:147
3042074992523,2cyclictest3360587-21kworker/u16:0+flush-8:012:14:146
3042074992523,2cyclictest3360587-21kworker/u16:0+flush-8:012:14:146
3042074992522,2cyclictest3638878-21kworker/u16:5+events_unbound11:44:046
3042069992523,2cyclictest3360587-21kworker/u16:0+flush-8:010:21:015
3042069992522,2cyclictest3122573-21kworker/u16:2+events_unbound09:39:045
3042066992523,2cyclictest3445485-21kworker/u16:2+events_unbound10:22:014
3042066992523,2cyclictest3372747-21kworker/u16:5+events_unbound10:15:264
3042066992523,2cyclictest3093601-21kworker/u16:0+flush-8:007:44:014
304177222515,7sleep60-21swapper/607:08:366
3042074992422,2cyclictest3360587-21kworker/u16:0+flush-8:012:34:086
3042074992422,2cyclictest3360587-21kworker/u16:0+flush-8:009:53:466
3042074992422,2cyclictest3312079-21kworker/u16:1+flush-8:009:24:116
3042069992422,2cyclictest3747913-21kworker/u16:3+events_unbound12:34:145
3042069992422,2cyclictest3150837-21kworker/u16:0+events_unbound08:49:085
3042066992422,2cyclictest3312079-21kworker/u16:1+events_unbound09:24:284
3042069992321,2cyclictest3041819-21kworker/u16:1+flush-8:007:24:035
3042069992321,2cyclictest3041819-21kworker/u16:1+flush-8:007:24:035
3042066992321,2cyclictest3360587-21kworker/u16:0+events_unbound10:44:574
3042079992221,0cyclictest0-21swapper/707:19:147
3042079992219,2cyclictest3616857-21ssh11:29:037
3042079992219,2cyclictest3256849-21latency_hist08:58:467
3042079992217,4cyclictest3287839-21latency_hist09:13:467
3042074992220,2cyclictest3122573-21kworker/u16:2+flush-8:008:59:106
3042074992220,2cyclictest3122573-21kworker/u16:2+flush-8:008:59:106
3042069992220,2cyclictest3360587-21kworker/u16:0+events_unbound10:43:585
3042066992220,2cyclictest3360587-21kworker/u16:0+events_unbound12:24:374
3042066992219,2cyclictest2994505-21kworker/u16:0+events_unbound07:08:504
3042074992119,2cyclictest3747913-21kworker/u16:3+events_unbound12:28:596
3042074992118,2cyclictest3360587-21kworker/u16:0+flush-8:010:43:466
3042069992119,2cyclictest3638878-21kworker/u16:5+flush-8:012:03:045
3042069992119,2cyclictest3150837-21kworker/u16:0+flush-8:008:34:015
3042069992119,2cyclictest3122573-21kworker/u16:2+flush-8:009:34:105
3042069992119,2cyclictest3122573-21kworker/u16:2+flush-8:009:34:105
3042069992118,2cyclictest3638878-21kworker/u16:5+flush-8:012:23:515
3042066992119,2cyclictest3493917-21kworker/u16:3+events_unbound10:42:054
3042066992119,2cyclictest3093601-21kworker/u16:0+flush-8:007:38:464
3042079992019,0cyclictest0-21swapper/711:44:127
3042074992017,3cyclictest3122573-21kworker/u16:2+flush-8:009:04:136
3042074992017,2cyclictest3360587-21kworker/u16:0+events_unbound10:19:016
3042069992018,2cyclictest3493917-21kworker/u16:3+events_unbound10:54:045
3042069992018,2cyclictest3041819-21kworker/u16:1+flush-8:007:59:515
37474932190,0sleep60-21swapper/612:23:456
3042079991918,0cyclictest0-21swapper/709:43:507
3042074991917,2cyclictest3626738-21kworker/u16:1+flush-8:011:38:556
3042074991917,2cyclictest3093601-21kworker/u16:0+flush-8:007:34:126
3042066991916,3cyclictest3150837-21kworker/u16:0+flush-8:008:39:124
3042079991815,2cyclictest1234-21snmpd11:24:327
304207999180,17cyclictest0-21swapper/710:19:087
304207999180,17cyclictest0-21swapper/707:49:117
3042074991816,2cyclictest3360587-21kworker/u16:0+events_unbound11:14:006
3042074991816,2cyclictest3122573-21kworker/u16:2+events_unbound09:38:586
3042074991816,2cyclictest3041819-21kworker/u16:1+events_unbound08:09:086
3042069991816,2cyclictest3150837-21kworker/u16:0+flush-8:008:09:015
3042066991816,2cyclictest3150837-21kworker/u16:0+events_unbound08:05:294
3042066991816,2cyclictest3122573-21kworker/u16:2+flush-8:008:24:124
3042066991816,2cyclictest2775326-21kworker/u16:3+events_unbound07:51:564
3042066991816,2cyclictest2775326-21kworker/u16:3+events_unbound07:29:024
3042079991713,3cyclictest1234-21snmpd11:16:297
304207999170,15cyclictest635-21systemd-journal08:00:297
304207999170,15cyclictest3514829-21ssh10:44:087
3042074991715,2cyclictest3312079-21kworker/u16:1+events_unbound10:29:116
3042074991713,3cyclictest3701490-21cat12:04:026
3042069991715,2cyclictest3493917-21kworker/u16:3+events_unbound10:49:035
3042069991715,2cyclictest3170796-21kworker/u16:3+events_unbound09:08:585
3042069991715,2cyclictest3064997-21kworker/u16:2+flush-8:007:29:175
3042069991715,2cyclictest2994505-21kworker/u16:0+flush-8:007:14:035
3042069991714,2cyclictest3093601-21kworker/u16:0+events_unbound07:44:035
3042079991614,1cyclictest3733072-21ssh12:14:237
3042079991614,1cyclictest3733072-21ssh12:14:237
304207999160,14cyclictest3275858-21diskmemload10:04:117
3042074991614,2cyclictest3122573-21kworker/u16:2+flush-8:008:29:146
3042069991614,2cyclictest3312079-21kworker/u16:1+events_unbound10:29:565
3042069991614,2cyclictest2775326-21kworker/u16:3+events_unbound07:39:105
3042069991613,2cyclictest3493917-21kworker/u16:3+flush-8:011:09:105
3042069991613,2cyclictest3312079-21kworker/u16:1+flush-8:009:43:595
3042066991614,2cyclictest3170796-21kworker/u16:3+events_unbound08:55:564
3042066991613,2cyclictest2775326-21kworker/u16:3+flush-8:007:18:554
304207999156,8cyclictest6032-21gmain12:19:077
304207999156,7cyclictest6382-21gvfs-afc-volume07:13:517
3042079991511,3cyclictest1234-21snmpd11:51:577
3042079991510,4cyclictest3409047-21latency_hist10:03:467
304207999150,14cyclictest0-21swapper/708:04:107
3042069991513,2cyclictest3638878-21kworker/u16:5+flush-8:012:04:115
3042069991513,2cyclictest2994505-21kworker/u16:0+flush-8:007:09:025
3042069991513,1cyclictest0-21swapper/507:49:095
304207999149,4cyclictest3112785-21latency_hist07:43:467
3042079991411,2cyclictest0-21swapper/709:24:127
3042079991410,3cyclictest1234-21snmpd08:52:167
304207999140,1cyclictest3275858-21diskmemload09:34:107
304207999140,1cyclictest3275858-21diskmemload09:34:107
304207999140,13cyclictest827-21dbus-daemon11:43:457
304207999140,13cyclictest3783721-21turbostat12:38:457
3042074991413,1cyclictest0-21swapper/611:12:096
3042074991413,1cyclictest0-21swapper/610:44:346
3042074991413,1cyclictest0-21swapper/610:06:446
3042074991413,1cyclictest0-21swapper/609:56:486
3042074991413,1cyclictest0-21swapper/609:21:106
3042074991412,2cyclictest3493917-21kworker/u16:3+events_unbound10:54:006
3042074991411,2cyclictest3312079-21kworker/u16:1+flush-8:009:48:466
304207499140,14cyclictest0-21swapper/612:28:286
304207499140,14cyclictest0-21swapper/609:09:496
304207499140,13cyclictest0-21swapper/609:33:476
304207499140,13cyclictest0-21swapper/609:33:476
3042069991413,1cyclictest0-21swapper/512:22:425
3042069991413,1cyclictest0-21swapper/508:44:015
3042069991412,2cyclictest3638878-21kworker/u16:5+flush-8:011:53:555
3042069991412,2cyclictest3372747-21kworker/u16:5+flush-8:010:15:135
3042069991412,2cyclictest3360587-21kworker/u16:0+events_unbound09:54:125
3042069991412,2cyclictest3312079-21kworker/u16:1+events_unbound10:03:595
3042069991412,2cyclictest3312079-21kworker/u16:1+events_unbound09:29:155
3042069991412,2cyclictest3150837-21kworker/u16:0+flush-8:008:29:015
304206999140,1cyclictest0-21swapper/511:51:005
304206999140,14cyclictest0-21swapper/511:21:225
3042066991412,2cyclictest3237894-21kworker/u16:1+events_unbound08:50:324
3042066991412,2cyclictest3150837-21kworker/u16:0+flush-8:008:38:374
304207999139,3cyclictest1234-21snmpd08:12:097
304207999138,4cyclictest3299925-21latency_hist09:18:467
304207999137,5cyclictest1234-21snmpd11:00:557
3042079991311,1cyclictest3396952-21turbostat09:58:467
3042079991310,2cyclictest3189805-21latency_hist08:23:467
3042079991310,2cyclictest0-21swapper/710:38:467
304207999130,11cyclictest1234-21snmpd10:49:107
304207499139,3cyclictest86-21ksoftirqd/611:59:106
304207499139,3cyclictest3056445-21cat07:14:026
304207499133,3cyclictest3424041-21grep10:09:026
3042074991311,2cyclictest3122573-21kworker/u16:2+events_unbound08:18:586
304207499130,3cyclictest3441907-21grep10:14:076
3042069991311,2cyclictest3638878-21kworker/u16:5+flush-8:011:39:135
3042069991311,2cyclictest3360587-21kworker/u16:0+events_unbound10:59:015
3042069991311,2cyclictest2775326-21kworker/u16:3+events_unbound07:33:595
304207999129,2cyclictest1234-21snmpd09:49:087
304207999129,2cyclictest0-21swapper/710:29:047
304207999128,3cyclictest6895-21gmain09:29:087
304207999128,3cyclictest5975-21gmain10:53:597
304207999128,3cyclictest1234-21snmpd11:59:217
304207999128,3cyclictest1234-21snmpd11:05:227
304207999128,3cyclictest1234-21snmpd10:25:037
304207999128,3cyclictest1234-21snmpd09:02:137
304207999128,3cyclictest1234-21snmpd09:02:137
304207999128,3cyclictest1234-21snmpd08:41:067
304207999128,3cyclictest1234-21snmpd07:30:257
304207999127,4cyclictest635-21systemd-journal08:38:417
304207999127,3cyclictest6382-21gvfs-afc-volume08:29:067
304207999125,6cyclictest6063-21gdbus07:38:257
3042079991210,1cyclictest3275858-21diskmemload10:34:017
3042074991210,2cyclictest3122573-21kworker/u16:2+flush-8:008:54:096
3042074991210,2cyclictest2775326-21kworker/u16:3+flush-8:007:33:416
3042069991210,2cyclictest3122573-21kworker/u16:2+flush-8:008:54:165
304206999120,1cyclictest0-21swapper/508:20:325
304206999120,12cyclictest0-21swapper/508:15:015
3042066991210,2cyclictest3256850-21kworker/u16:0+flush-8:008:59:114
3042066991210,2cyclictest3256850-21kworker/u16:0+flush-8:008:59:114
3042066991210,2cyclictest3122573-21kworker/u16:2+flush-8:008:15:554
3042066991210,2cyclictest2994505-21kworker/u16:0+flush-8:007:18:254
3042066991210,2cyclictest2775326-21kworker/u16:3+events_unbound07:39:064
304207999118,2cyclictest1234-21snmpd11:55:037
304207999118,2cyclictest1234-21snmpd10:08:577
304207999118,2cyclictest0-21swapper/710:14:047
304207999117,3cyclictest1234-21snmpd11:37:087
304207999117,3cyclictest1234-21snmpd11:37:087
304207999117,3cyclictest1234-21snmpd07:45:507
304207999117,3cyclictest1234-21snmpd07:11:467
304207999116,4cyclictest1234-21snmpd09:40:177
304207999111,9cyclictest1127-21containerd12:04:327
304207999110,10cyclictest1234-21snmpd12:10:157
304207999110,10cyclictest1234-21snmpd08:47:497
304207999110,10cyclictest1234-21snmpd08:15:517
304207499119,2cyclictest3122573-21kworker/u16:2+flush-8:008:44:156
304207499117,3cyclictest3066012-21cat07:19:016
304207499114,6cyclictest0-21swapper/610:48:576
304206999119,2cyclictest3494213-21kworker/u16:4+flush-8:011:24:095
304206999119,2cyclictest3122573-21kworker/u16:2+flush-8:008:24:145
304206999117,3cyclictest3627992-21cat11:34:015
304206999117,3cyclictest3627992-21cat11:34:015
304206999110,11cyclictest0-21swapper/507:57:025
304206699119,2cyclictest3256850-21kworker/u16:0+events_unbound09:04:094
304207999106,3cyclictest5975-21gmain12:30:117
304207999104,5cyclictest3132713-21cat07:53:597
304207999100,9cyclictest1234-21snmpd07:25:167
304207999100,9cyclictest1234-21snmpd07:25:167
304207999100,8cyclictest1025-21runrttasks08:24:147
304207499100,9cyclictest3555173-21cstates11:03:586
304207499100,4cyclictest3491287-21vmstat10:34:166
304207499100,3cyclictest3154476-21cut08:04:046
304207499100,2cyclictest3595591-21tr11:19:036
304207499100,2cyclictest3145922-21kthreadcore07:59:046
304206999108,2cyclictest3372747-21kworker/u16:5+flush-8:010:08:595
304206999108,2cyclictest3360587-21kworker/u16:0+flush-8:010:39:075
304206999108,2cyclictest3360587-21kworker/u16:0+events_unbound11:32:565
304206999108,2cyclictest2775326-21kworker/u16:3+flush-8:007:19:015
304206999107,3cyclictest3122573-21kworker/u16:2+flush-8:009:04:115
30420749997,2cyclictest3360587-21kworker/u16:0+flush-8:010:58:566
30420749990,8cyclictest3610592-21kthreadcore11:24:056
30420749990,8cyclictest3402557-21kthreadcore09:59:056
30420749990,8cyclictest3325093-21cstates09:28:586
30420749990,8cyclictest3123693-21sed07:49:026
30420749990,8cyclictest3076616-21cut07:24:046
30420749990,8cyclictest3076616-21cut07:24:046
30420749990,8cyclictest0-21swapper/609:13:576
30420749990,4cyclictest3676033-21expr11:53:596
30420699997,2cyclictest3360587-21kworker/u16:0+flush-8:010:24:255
30420699996,2cyclictest3494213-21kworker/u16:4+flush-8:011:04:055
30420699996,2cyclictest3312079-21kworker/u16:1+flush-8:009:24:055
30420749985,2cyclictest0-21swapper/608:34:046
30420749984,3cyclictest3042654-21expr07:08:586
30420749980,7cyclictest3113177-21/usr/sbin/munin07:43:596
30420699986,1cyclictest0-21swapper/511:44:005
30420699986,1cyclictest0-21swapper/509:49:015
30420699986,1cyclictest0-21swapper/508:59:065
30420699986,1cyclictest0-21swapper/508:59:065
30420699983,4cyclictest3713179-21cut12:09:025
30420699983,4cyclictest3224025-21cut08:39:055
30420669984,3cyclictest3041819-21kworker/u16:1+flush-8:008:09:274
30420669983,4cyclictest3232839-21kthreadcore08:44:054
30420749974,2cyclictest3104570-21irqcore07:39:026
30420699975,2cyclictest3360587-21kworker/u16:0+flush-8:012:13:515
30420699975,2cyclictest3360587-21kworker/u16:0+flush-8:012:13:515
30420699973,3cyclictest3397928-21expr09:58:585
30420699972,4cyclictest3760613-21entropy12:28:585
30420699972,4cyclictest3288585-21grep09:13:585
30420749963,2cyclictest3132403-21cpuspeed07:53:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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