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2026-05-29 - 16:26
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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 Fri May 29, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
385084021000,1sleep73850841-21ssh11:33:217
36704082960,1sleep73670409-21rm10:18:357
39364542930,0sleep60-21swapper/612:10:476
3336818996663,2cyclictest3934299-21smartctl12:07:327
333628325746,7sleep50-21swapper/507:03:465
333649924937,8sleep40-21swapper/407:06:504
3336818994342,0cyclictest0-21swapper/709:52:047
3336803994240,2cyclictest3612036-21kworker/u16:1+events_unbound10:56:474
3336818994039,0cyclictest0-21swapper/711:17:047
33361692405,29sleep70-21swapper/707:02:117
3336818993938,0cyclictest0-21swapper/712:34:047
3336818993836,1cyclictest0-21swapper/710:36:517
3336803993835,2cyclictest3705956-21kworker/u16:0+flush-8:010:42:024
3336818993736,0cyclictest0-21swapper/709:13:167
3336818993735,1cyclictest3502927-21ssh09:10:447
3336818993735,1cyclictest0-21swapper/711:06:517
3336818993734,2cyclictest3551655-21ssh09:31:487
3336803993734,2cyclictest3432954-21kworker/u16:3+flush-8:008:52:024
3336818993634,1cyclictest3889332-21ssh11:52:037
3336818993634,1cyclictest3491576-21diskmemload12:12:397
3336818993634,1cyclictest3491576-21diskmemload09:42:437
3336816993634,2cyclictest3828836-21kworker/u16:3+flush-8:012:15:316
3336803993634,2cyclictest3828836-21kworker/u16:3+events_unbound11:52:194
3336818993534,0cyclictest0-21swapper/711:12:487
3336818993534,0cyclictest0-21swapper/709:26:247
3336818993533,1cyclictest0-21swapper/710:08:557
3336818993433,0cyclictest0-21swapper/712:06:437
3336818993433,0cyclictest0-21swapper/709:38:357
3336818993432,1cyclictest3491576-21diskmemload12:19:277
3336818993430,3cyclictest3742565-21ssh10:48:317
3336803993432,2cyclictest3749176-21kworker/u16:2+events_unbound11:26:474
333620623424,7sleep60-21swapper/607:02:436
3336818993332,0cyclictest0-21swapper/710:42:557
3336818993332,0cyclictest0-21swapper/709:36:287
3336818993331,1cyclictest3491576-21diskmemload11:31:367
3336816993331,2cyclictest3828836-21kworker/u16:3+events_unbound12:26:496
3336818993231,0cyclictest0-21swapper/712:23:517
3336818993231,0cyclictest0-21swapper/710:57:357
3336818993230,1cyclictest3911916-21ssh12:00:007
3336818993230,1cyclictest3876660-21ssh11:46:317
3336818993130,0cyclictest0-21swapper/711:48:487
3336818993130,0cyclictest0-21swapper/711:48:487
3336818993130,0cyclictest0-21swapper/710:52:567
3336818993029,0cyclictest0-21swapper/711:24:317
3336818993029,0cyclictest0-21swapper/710:05:007
3336818993029,0cyclictest0-21swapper/709:48:097
333681899300,28cyclictest3984378-21ssh12:29:357
333681899300,28cyclictest3984378-21ssh12:29:357
3336816993028,2cyclictest3612036-21kworker/u16:1+events_unbound11:02:276
3336818992928,0cyclictest0-21swapper/710:02:007
3336818992928,0cyclictest0-21swapper/709:18:437
3336818992927,1cyclictest3693947-21ssh10:27:407
3336803992927,2cyclictest3705956-21kworker/u16:0+flush-8:010:50:504
3336803992927,2cyclictest3657852-21kworker/u16:0+events_unbound10:14:114
3336803992927,2cyclictest3612036-21kworker/u16:1+flush-8:011:17:244
3336818992827,0cyclictest0-21swapper/711:39:277
3336818992827,0cyclictest0-21swapper/710:38:277
3336808992821,7cyclictest3612036-21kworker/u16:1+flush-8:011:47:015
3336803992826,2cyclictest3937164-21kworker/u16:2+events_unbound12:33:434
3336803992725,2cyclictest3876954-21kworker/u16:0+events_unbound12:06:474
3336803992725,2cyclictest3749176-21kworker/u16:2+flush-8:011:31:114
3336803992725,2cyclictest3370010-21kworker/u16:2+flush-8:009:17:234
3336818992624,1cyclictest3683206-21sh10:25:037
3336818992624,1cyclictest3683206-21sh10:25:037
3336816992624,2cyclictest3401876-21kworker/u16:0+events_unbound09:15:296
3336816992624,2cyclictest3336564-21kworker/u16:3+events_unbound07:12:046
3336803992624,2cyclictest3636212-21kworker/u16:4+events_unbound11:12:314
3336803992624,2cyclictest3443419-21kworker/u16:1+flush-8:009:32:124
3336803992624,2cyclictest3370010-21kworker/u16:2+flush-8:009:48:054
3336803992623,2cyclictest3539785-21kworker/u16:3+events_unbound10:02:044
3336816992523,2cyclictest3828836-21kworker/u16:3+events_unbound11:32:296
3336816992523,2cyclictest3636212-21kworker/u16:4+events_unbound10:27:146
3336803992523,2cyclictest3828836-21kworker/u16:3+flush-8:011:47:314
3336803992523,2cyclictest3828836-21kworker/u16:3+flush-8:011:47:314
3336803992523,2cyclictest3597575-21kworker/u16:0+flush-8:009:52:314
3336816992422,2cyclictest3326222-21kworker/u16:1+events_unbound07:07:156
3336816992421,2cyclictest3539785-21kworker/u16:3+events_unbound10:12:046
3336803992421,2cyclictest3401876-21kworker/u16:0+events_unbound08:52:224
3336818992322,0cyclictest0-21swapper/710:15:037
3336816992321,2cyclictest3876954-21kworker/u16:0+events_unbound11:51:116
3336816992321,2cyclictest3876954-21kworker/u16:0+events_unbound11:51:116
3336816992321,2cyclictest3749176-21kworker/u16:2+events_unbound10:54:446
3336803992321,2cyclictest3828836-21kworker/u16:3+events_unbound11:57:144
3336803992321,2cyclictest3636212-21kworker/u16:4+flush-8:010:32:234
3336816992220,2cyclictest3937164-21kworker/u16:2+events_unbound12:27:536
3336816992220,2cyclictest3937164-21kworker/u16:2+events_unbound12:27:536
3336816992220,2cyclictest3749176-21kworker/u16:2+events_unbound11:31:406
3336816992220,2cyclictest3749176-21kworker/u16:2+events_unbound11:13:126
3336816992220,2cyclictest3612036-21kworker/u16:1+events_unbound12:01:126
3336816992220,2cyclictest3612036-21kworker/u16:1+events_unbound11:23:436
3336816992220,2cyclictest3539785-21kworker/u16:3+events_unbound09:47:116
3336816992220,2cyclictest3443419-21kworker/u16:1+events_unbound09:25:006
3336808992220,2cyclictest3749176-21kworker/u16:2+flush-8:011:37:285
3336803992220,2cyclictest3335494-21kworker/u16:4+flush-8:007:22:034
3336818992120,0cyclictest0-21swapper/711:09:357
3336818992120,0cyclictest0-21swapper/711:09:357
3336816992119,2cyclictest3749176-21kworker/u16:2+events_unbound11:21:326
3336816992119,2cyclictest3636212-21kworker/u16:4+events_unbound10:26:246
3336816992119,2cyclictest3636212-21kworker/u16:4+events_unbound10:26:246
3336816992119,2cyclictest3443419-21kworker/u16:1+events_unbound09:30:286
3336816992119,2cyclictest3370010-21kworker/u16:2+events_unbound09:21:486
3336816992117,3cyclictest3390743-21smart_sda07:47:256
3336803992119,2cyclictest3749176-21kworker/u16:2+events_unbound11:42:524
3336803992119,2cyclictest3636212-21kworker/u16:4+flush-8:011:02:194
3336803992119,2cyclictest3636212-21kworker/u16:4+flush-8:010:58:074
3336803992119,2cyclictest3370010-21kworker/u16:2+events_unbound09:26:124
3336803992119,2cyclictest3370010-21kworker/u16:2+events_unbound09:10:124
3336803992118,2cyclictest3401876-21kworker/u16:0+flush-8:008:12:274
3336818992019,0cyclictest0-21swapper/707:10:137
3336816992018,2cyclictest3705956-21kworker/u16:0+events_unbound10:35:486
3336816992018,2cyclictest3636212-21kworker/u16:4+events_unbound10:58:406
3336816992018,2cyclictest3612036-21kworker/u16:1+events_unbound11:07:426
3336816992018,2cyclictest3612036-21kworker/u16:1+events_unbound11:07:426
3336816992018,2cyclictest3597575-21kworker/u16:0+events_unbound10:06:516
3336816992018,2cyclictest3539785-21kworker/u16:3+events_unbound09:45:276
3336803992018,2cyclictest3828836-21kworker/u16:3+events_unbound12:23:174
3336803992017,2cyclictest3612036-21kworker/u16:1+flush-8:011:37:034
3336816991917,2cyclictest3828836-21kworker/u16:3+events_unbound11:54:086
3336816991917,2cyclictest3828836-21kworker/u16:3+events_unbound11:38:446
3336816991917,2cyclictest3612036-21kworker/u16:1+events_unbound12:21:166
3336816991917,2cyclictest3612036-21kworker/u16:1+events_unbound10:43:126
3336816991917,2cyclictest3539785-21kworker/u16:3+events_unbound09:56:026
3336816991917,2cyclictest3401876-21kworker/u16:0+events_unbound09:33:126
3336816991917,2cyclictest3370010-21kworker/u16:2+events_unbound09:10:486
3336816991917,2cyclictest3336564-21kworker/u16:3+events_unbound07:17:276
3336803991917,2cyclictest3828836-21kworker/u16:3+events_unbound11:32:214
3336803991917,2cyclictest3612036-21kworker/u16:1+events_unbound10:07:364
3336818991817,0cyclictest0-21swapper/708:47:167
333681899180,16cyclictest16030-21sshd07:54:257
3336816991816,2cyclictest3612036-21kworker/u16:1+events_unbound10:09:046
3336816991816,2cyclictest3539785-21kworker/u16:3+events_unbound10:00:536
3336816991816,2cyclictest3432954-21kworker/u16:3+events_unbound08:32:276
3336816991816,2cyclictest3370010-21kworker/u16:2+events_unbound08:12:316
3336803991816,2cyclictest3612036-21kworker/u16:1+events_unbound11:07:284
3336803991816,2cyclictest3612036-21kworker/u16:1+events_unbound11:07:284
3336803991816,2cyclictest3443419-21kworker/u16:1+events_unbound09:27:264
3336803991815,2cyclictest3660222-21kworker/u16:2+events_unbound10:17:124
3336818991711,5cyclictest3361179-21latency_hist07:27:027
3336816991715,2cyclictest3705956-21kworker/u16:0+events_unbound10:49:436
3336816991715,2cyclictest3636212-21kworker/u16:4+events_unbound10:18:156
3336816991715,2cyclictest3612036-21kworker/u16:1+events_unbound12:36:076
3336816991715,2cyclictest3371923-21kworker/u16:4+flush-8:007:42:286
333681699170,16cyclictest3464363-21kthreadcore08:52:196
3336803991715,2cyclictest3937164-21kworker/u16:2+flush-8:012:27:114
3336803991715,2cyclictest3937164-21kworker/u16:2+flush-8:012:27:114
3336803991715,2cyclictest3876954-21kworker/u16:0+events_unbound12:08:114
3336803991715,2cyclictest3326222-21kworker/u16:1+flush-8:007:57:164
3336803991714,3cyclictest3705956-21kworker/u16:0+flush-8:010:42:234
3336818991615,0cyclictest0-21swapper/708:33:207
3336818991615,0cyclictest0-21swapper/707:44:257
3336816991611,4cyclictest3565171-21cat09:37:176
3336803991614,2cyclictest3612036-21kworker/u16:1+events_unbound12:13:124
3336803991614,2cyclictest3371923-21kworker/u16:4+flush-8:007:47:204
3336803991614,2cyclictest3370010-21kworker/u16:2+flush-8:008:22:234
3336803991614,2cyclictest3370010-21kworker/u16:2+flush-8:008:22:234
3336803991613,2cyclictest3401876-21kworker/u16:0+flush-8:009:02:454
3336818991514,0cyclictest0-21swapper/708:52:317
3336816991513,2cyclictest3828836-21kworker/u16:3+events_unbound11:46:046
3336816991513,2cyclictest3612036-21kworker/u16:1+events_unbound12:02:116
3336816991512,2cyclictest3326222-21kworker/u16:1+events_unbound07:52:046
3336808991513,2cyclictest3828836-21kworker/u16:3+flush-8:012:15:425
3336808991512,2cyclictest3613728-21irqstats09:57:175
3336803991513,2cyclictest3636212-21kworker/u16:4+events_unbound10:23:284
3336803991513,2cyclictest3636212-21kworker/u16:4+events_unbound10:23:284
3336803991513,2cyclictest3612036-21kworker/u16:1+events_unbound10:27:244
3336803991513,2cyclictest3597575-21kworker/u16:0+events_unbound09:57:034
3336818991411,2cyclictest0-21swapper/707:42:027
3336818991411,2cyclictest0-21swapper/707:42:027
3336816991413,1cyclictest0-21swapper/607:57:176
3336816991412,2cyclictest3705956-21kworker/u16:0+events_unbound10:40:456
3336816991412,2cyclictest3432954-21kworker/u16:3+events_unbound08:43:036
3336808991413,1cyclictest0-21swapper/511:50:575
3336808991413,1cyclictest0-21swapper/511:50:575
3336808991413,1cyclictest0-21swapper/510:44:075
333680899140,13cyclictest0-21swapper/508:22:275
333680899140,13cyclictest0-21swapper/508:22:275
333680899140,0cyclictest0-21swapper/511:23:035
3336803991412,2cyclictest3370010-21kworker/u16:2+flush-8:009:12:304
3336803991412,2cyclictest3370010-21kworker/u16:2+events_unbound09:42:314
3336803991411,2cyclictest3444797-21irqcore08:42:144
333681899139,3cyclictest1234-21snmpd07:14:067
3336818991312,0cyclictest0-21swapper/708:57:027
3336818991312,0cyclictest0-21swapper/708:42:087
3336818991312,0cyclictest0-21swapper/707:57:187
333681899130,1cyclictest0-21swapper/707:17:267
333681899130,11cyclictest3370792-21latency_hist07:32:027
3336816991311,2cyclictest3432954-21kworker/u16:3+events_unbound08:37:116
3336816991311,2cyclictest3401876-21kworker/u16:0+flush-8:008:58:226
3336816991311,2cyclictest3370010-21kworker/u16:2+events_unbound08:09:126
3336816991311,2cyclictest3370010-21kworker/u16:2+events_unbound07:32:046
3336816991311,2cyclictest3336564-21kworker/u16:3+events_unbound07:23:366
3336808991312,1cyclictest0-21swapper/512:27:235
3336808991312,1cyclictest0-21swapper/512:27:235
3336808991312,1cyclictest0-21swapper/512:10:125
3336808991312,1cyclictest0-21swapper/509:28:355
3336808991312,1cyclictest0-21swapper/509:14:155
333680899130,13cyclictest0-21swapper/510:10:415
3336803991312,1cyclictest3612036-21kworker/u16:1+events_unbound12:17:044
3336803991311,2cyclictest3370010-21kworker/u16:2+flush-8:008:57:114
333680399130,13cyclictest0-21swapper/409:39:284
333681899129,2cyclictest1234-21snmpd09:03:087
333681899128,3cyclictest6382-21gvfs-afc-volume08:12:297
333681899128,3cyclictest1234-21snmpd08:28:167
333681899128,3cyclictest1234-21snmpd08:11:257
333681899128,3cyclictest1234-21snmpd08:04:257
333681899128,3cyclictest1234-21snmpd07:50:517
333681899127,4cyclictest1234-21snmpd07:35:427
3336816991211,1cyclictest0-21swapper/608:25:406
3336816991211,1cyclictest0-21swapper/608:25:406
3336816991210,2cyclictest3401876-21kworker/u16:0+events_unbound09:04:406
333680899129,2cyclictest847-21polkitd10:37:025
333680899128,3cyclictest3962707-21cat12:22:165
3336808991211,1cyclictest0-21swapper/511:03:585
3336808991211,1cyclictest0-21swapper/510:25:115
3336808991211,1cyclictest0-21swapper/510:25:115
3336808991211,1cyclictest0-21swapper/509:42:475
333680899120,12cyclictest0-21swapper/508:27:255
3336803991211,1cyclictest0-21swapper/408:11:204
3336803991210,2cyclictest3326222-21kworker/u16:1+flush-8:007:07:274
333681899118,2cyclictest1234-21snmpd08:40:527
333681899117,3cyclictest1234-21snmpd08:19:407
333681699119,2cyclictest3412612-21kworker/u16:1+events_unbound08:20:406
333681699119,2cyclictest3326222-21kworker/u16:1+flush-8:007:29:326
333680899116,4cyclictest3362349-21cat07:27:175
3336808991110,1cyclictest0-21swapper/508:55:195
3336808991110,1cyclictest0-21swapper/507:56:225
333680899110,11cyclictest0-21swapper/507:50:325
333681899107,2cyclictest1234-21snmpd08:22:347
333681899107,2cyclictest1234-21snmpd08:22:347
333681699108,1cyclictest841rcuc/608:02:216
333681699108,1cyclictest3380226-21ntp_states07:37:266
333681699108,1cyclictest3380226-21ntp_states07:37:266
333681699103,2cyclictest86-21ksoftirqd/608:47:216
333680899106,3cyclictest3483109-21cat09:02:175
333680899106,1cyclictest681rcuog/411:31:495
333680399109,1cyclictest0-21swapper/407:40:454
333680399109,1cyclictest0-21swapper/407:40:454
333680399108,2cyclictest3370010-21kworker/u16:2+events_unbound08:32:334
333680399107,2cyclictest3401876-21kworker/u16:0+flush-8:008:42:024
33368169997,2cyclictest3401876-21kworker/u16:0+events_unbound08:30:526
33368089998,1cyclictest0-21swapper/510:37:175
33368089997,1cyclictest0-21swapper/507:43:075
33368089996,2cyclictest5829-21JS15:59:265
33368089995,3cyclictest6331-21gdbus08:47:265
33368089995,3cyclictest3553070-21cat09:32:175
33368089995,3cyclictest3418746-21kthreadcore08:12:205
33368089994,4cyclictest3661462-21cat10:17:165
33368089990,4cyclictest3604761-21kthreadcore09:52:215
33368089986,1cyclictest0-21swapper/511:52:185
33368089986,1cyclictest0-21swapper/510:52:235
33368089986,1cyclictest0-21swapper/507:57:195
33368089984,3cyclictest3444434-21cat08:42:135
33368089983,4cyclictest3917587-21cut12:02:195
33368089983,4cyclictest3904680-21kthreadcore11:57:195
33368089983,4cyclictest3847044-21cut11:32:215
33368089983,4cyclictest3806669-21cut11:17:195
33368089983,4cyclictest3757685-21hwlatdetect10:57:175
33368089983,4cyclictest3734097-21cut10:47:185
33368089983,4cyclictest3693738-21grep10:27:295
33368089983,4cyclictest3494559-21grep09:07:215
33368089983,4cyclictest3404074-21grep08:02:185
33368089983,4cyclictest3373732-21cut07:37:195
33368089983,4cyclictest3373732-21cut07:37:195
33368089983,4cyclictest3357134-21cut07:17:225
33368089980,4cyclictest3564456-21cat09:37:145
33368089980,2cyclictest0-21swapper/509:22:205
33368039983,4cyclictest3403812-21cut08:02:184
33368089975,1cyclictest0-21swapper/509:17:175
33368089974,2cyclictest3797362-21kthreadcore11:12:215
33368089974,2cyclictest0-21swapper/512:17:185
33368089973,3cyclictest3649093-21expr10:12:145
33368089973,3cyclictest3589176-21gltestperf09:47:155
33368089973,3cyclictest3474056-21cut08:57:185
33368089973,3cyclictest3434187-21sed08:32:175
33368089972,4cyclictest3781375-21cat11:07:125
33368089972,4cyclictest3781375-21cat11:07:125
33368089972,4cyclictest3625456-21irqcore10:02:195
33368089972,4cyclictest3346874-21sed07:12:045
33368089972,4cyclictest3338631-21cut07:07:175
33368039975,1cyclictest0-21swapper/407:27:194
33368039972,4cyclictest3346935-21ip_192.168.114.07:12:044
33368039960,1cyclictest0-21swapper/407:45:344
33368089950,4cyclictest3442961-21taskset08:37:525
33368089950,4cyclictest3422255-21taskset08:17:495
33368089950,4cyclictest3371203-21taskset07:32:305
33368089950,4cyclictest3360885-21chrt07:23:005
33368089950,0cyclictest0-21swapper/508:07:535
33368039950,4cyclictest3432559-21taskset08:27:094
33368039950,4cyclictest3422206-21chrt08:17:074
33368039950,4cyclictest3391938-21taskset07:52:404
33368039950,4cyclictest3371238-21taskset07:33:014
33368039950,4cyclictest3360951-21chrt07:23:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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