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2025-12-21 - 14:07
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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 Sun Dec 21, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323395025746,7sleep60-21swapper/607:04:326
324298925443,8sleep50-21swapper/507:05:595
324310524510,30sleep70-21swapper/707:07:387
324289124533,7sleep40-21swapper/407:05:024
3243538993731,5cyclictest3741066-21latency_hist11:24:237
3243533993229,3cyclictest3392335-21kworker/u16:3+flush-8:008:34:495
36590352290,1chrt3659036-21kthreadcore10:39:435
3243528992927,2cyclictest3392335-21kworker/u16:3+events_unbound09:42:444
3243528992826,2cyclictest3470207-21kworker/u16:1+events_unbound10:23:054
3243528992826,2cyclictest3470207-21kworker/u16:1+events_unbound09:04:494
3243538992726,0cyclictest0-21swapper/708:19:457
3243528992725,2cyclictest3760738-21kworker/u16:2+events_unbound11:53:014
3243528992725,2cyclictest3692770-21kworker/u16:0+events_unbound11:22:454
3243538992624,1cyclictest0-21swapper/711:24:437
3243528992624,2cyclictest3553138-21kworker/u16:2+flush-8:010:04:534
3243528992624,2cyclictest3553138-21kworker/u16:2+flush-8:010:04:534
3243528992624,2cyclictest2527542-21kworker/u16:0+events_unbound08:47:004
3243538992523,1cyclictest0-21swapper/711:29:367
3243528992523,2cyclictest3837565-21kworker/u16:1+events_unbound12:38:254
3243528992523,2cyclictest3731415-21kworker/u16:1+events_unbound11:37:404
3243528992523,2cyclictest3692770-21kworker/u16:0+events_unbound11:49:024
3243528992523,2cyclictest3692770-21kworker/u16:0+events_unbound11:06:144
3243528992523,2cyclictest3480627-21kworker/u16:0+events_unbound09:56:364
3243528992523,2cyclictest3470207-21kworker/u16:1+events_unbound10:26:054
3243528992523,2cyclictest3392335-21kworker/u16:3+events_unbound09:37:094
3243528992523,2cyclictest3392335-21kworker/u16:3+events_unbound09:22:364
3243528992523,2cyclictest3363776-21kworker/u16:4+events_unbound08:13:014
3243528992523,2cyclictest2527542-21kworker/u16:0+events_unbound08:08:364
3243538992422,1cyclictest0-21swapper/710:34:417
324353899240,22cyclictest3693786-21sed10:59:397
3243528992422,2cyclictest3701330-21kworker/u16:2+events_unbound11:14:094
3243528992422,2cyclictest3480627-21kworker/u16:0+events_unbound10:15:534
3243528992422,2cyclictest3470207-21kworker/u16:1+events_unbound10:46:444
3243528992422,2cyclictest3470207-21kworker/u16:1+events_unbound10:43:524
3243528992422,2cyclictest3470207-21kworker/u16:1+events_unbound09:11:204
3243528992422,2cyclictest3296050-21kworker/u16:1+events_unbound07:37:374
3243528992422,2cyclictest2527542-21kworker/u16:0+events_unbound08:20:214
3243528992422,2cyclictest2527542-21kworker/u16:0+events_unbound07:28:304
3243528992421,2cyclictest3344077-21kworker/u16:2+events_unbound08:14:334
3243528992321,2cyclictest3837565-21kworker/u16:1+events_unbound12:12:294
3243528992321,2cyclictest3712318-21kworker/u16:3+events_unbound11:30:484
3243528992321,2cyclictest3712318-21kworker/u16:3+events_unbound11:27:364
3243528992321,2cyclictest3634810-21kworker/u16:2+events_unbound10:39:204
3243528992321,2cyclictest3480627-21kworker/u16:0+events_unbound10:12:494
3243528992321,2cyclictest3470207-21kworker/u16:1+events_unbound10:03:174
3243528992321,2cyclictest3381902-21kworker/u16:1+events_unbound08:44:214
3243528992321,2cyclictest2527542-21kworker/u16:0+events_unbound09:01:534
3243528992321,2cyclictest2527542-21kworker/u16:0+events_unbound07:40:494
3243528992321,2cyclictest2527542-21kworker/u16:0+events_unbound07:40:494
3243528992320,2cyclictest3344077-21kworker/u16:2+events_unbound08:24:254
3243528992220,2cyclictest3779925-21kworker/u16:3+events_unbound12:18:294
3243528992220,2cyclictest3760738-21kworker/u16:2+flush-8:011:44:184
3243528992220,2cyclictest3760738-21kworker/u16:2+flush-8:011:44:184
3243528992220,2cyclictest3712318-21kworker/u16:3+events_unbound11:16:284
3243528992220,2cyclictest3672288-21kworker/u16:4+events_unbound10:54:094
3243528992220,2cyclictest3672288-21kworker/u16:4+events_unbound10:54:094
3243528992220,2cyclictest2538563-21kworker/u16:3+events_unbound07:18:574
3243528992220,2cyclictest2527542-21kworker/u16:0+events_unbound08:58:414
3243528992220,2cyclictest2527542-21kworker/u16:0+events_unbound07:50:584
3243528992220,2cyclictest2527542-21kworker/u16:0+events_unbound07:34:104
3243528992220,2cyclictest2527542-21kworker/u16:0+events_unbound07:21:224
3243528992220,2cyclictest2527542-21kworker/u16:0+events_unbound07:10:144
3243528992219,2cyclictest3470207-21kworker/u16:1+events_unbound09:29:364
3243528992119,2cyclictest3692770-21kworker/u16:0+events_unbound12:07:444
3243528992119,2cyclictest3508683-21kworker/u16:4+events_unbound09:25:574
3243528992119,2cyclictest3480627-21kworker/u16:0+events_unbound09:52:324
3243528992119,2cyclictest3392335-21kworker/u16:3+events_unbound08:39:094
3243528992119,2cyclictest3381902-21kworker/u16:1+events_unbound08:30:254
3243528992119,2cyclictest3344077-21kworker/u16:2+events_unbound08:03:254
3243538992018,1cyclictest0-21swapper/711:44:497
3243535992017,3cyclictest3257336-21kworker/u16:4+flush-8:007:19:496
3243528992018,2cyclictest3837565-21kworker/u16:1+events_unbound12:23:444
3243528992018,2cyclictest3692770-21kworker/u16:0+events_unbound11:57:444
3243528992018,2cyclictest3672288-21kworker/u16:4+events_unbound11:00:234
3243528992018,2cyclictest2527542-21kworker/u16:0+events_unbound08:53:464
3243528992017,2cyclictest3296050-21kworker/u16:1+flush-8:007:44:244
3243538991918,0cyclictest0-21swapper/711:59:437
324353899190,17cyclictest3512961-21kthreadcore09:24:427
3243528991917,2cyclictest3857588-21kworker/u16:3+events_unbound12:25:534
3243528991917,2cyclictest3847625-21kworker/u16:0+events_unbound12:31:564
3243528991917,2cyclictest3692770-21kworker/u16:0+events_unbound12:02:104
3243528991917,2cyclictest3615092-21kworker/u16:3+events_unbound10:29:324
3243528991917,2cyclictest2527542-21kworker/u16:0+flush-8:007:56:534
3243538991816,1cyclictest3547320-21awk09:44:237
3243538991813,4cyclictest3837882-21latency_hist12:14:227
3243538991715,1cyclictest0-21swapper/710:24:437
3243538991715,1cyclictest0-21swapper/707:39:397
3243538991715,1cyclictest0-21swapper/707:39:397
3243538991713,3cyclictest3712034-21cat11:09:237
3243528991715,2cyclictest3392335-21kworker/u16:3+flush-8:009:46:374
3243538991615,0cyclictest0-21swapper/708:49:427
3243538991613,2cyclictest3576476-21cat09:59:237
3243538991612,3cyclictest1267-21snmpd10:30:457
3243533991612,3cyclictest3775772-21grep11:39:435
3243533991612,3cyclictest3775772-21grep11:39:435
324353899158,6cyclictest6045-21gmain12:19:527
3243538991514,0cyclictest0-21swapper/708:34:427
3243538991514,0cyclictest0-21swapper/708:09:297
3243538991514,0cyclictest0-21swapper/707:25:347
3243538991510,4cyclictest3353736-21latency_hist08:04:247
324353899150,14cyclictest0-21swapper/710:09:487
3243528991512,2cyclictest3470207-21kworker/u16:1+events_unbound10:54:294
324353899148,5cyclictest3731376-21latency_hist11:19:237
3243538991411,2cyclictest1267-21snmpd11:58:477
3243538991410,3cyclictest3478577-21ntpq09:04:537
324353899140,13cyclictest3594804-21ntp_states10:04:497
324353899140,13cyclictest3594804-21ntp_states10:04:497
3243535991413,1cyclictest0-21swapper/611:34:446
3243535991412,2cyclictest3837565-21kworker/u16:1+flush-8:012:14:376
3243535991411,2cyclictest3604352-21missed_timers10:09:466
3243535991411,2cyclictest3431471-21kworker/u16:2+flush-8:008:54:506
3243533991412,1cyclictest3519371-21perl09:29:395
324353399140,0cyclictest0-21swapper/509:48:345
324353899139,3cyclictest6450-21gmain09:09:487
324353899139,3cyclictest1267-21snmpd12:38:577
324353899139,3cyclictest1267-21snmpd07:20:457
324353899139,3cyclictest1267-21snmpd07:18:217
3243538991310,2cyclictest0-21swapper/712:29:237
3243538991310,2cyclictest0-21swapper/712:14:237
324353899130,12cyclictest1267-21snmpd09:22:537
324353599138,4cyclictest3848703-21cat12:19:386
324353599130,1cyclictest0-21swapper/610:49:496
324353599130,1cyclictest0-21swapper/610:49:496
324353599130,13cyclictest0-21swapper/609:52:076
324353599130,13cyclictest0-21swapper/608:39:266
324353599130,0cyclictest0-21swapper/610:45:246
3243533991312,1cyclictest0-21swapper/512:26:045
3243533991312,1cyclictest0-21swapper/511:34:595
3243533991312,1cyclictest0-21swapper/511:23:385
3243533991312,1cyclictest0-21swapper/509:13:345
324353399130,13cyclictest0-21swapper/510:58:345
3243528991311,2cyclictest3392335-21kworker/u16:3+events_unbound09:15:064
3243528991311,2cyclictest3392335-21kworker/u16:3+events_unbound09:15:064
324353899129,2cyclictest1267-21snmpd10:39:377
324353899129,2cyclictest1267-21snmpd07:38:577
324353899129,2cyclictest1267-21snmpd07:11:397
324353899128,3cyclictest1267-21snmpd11:52:327
324353899128,3cyclictest1267-21snmpd11:44:057
324353899128,3cyclictest1267-21snmpd11:44:057
324353899128,3cyclictest1267-21snmpd10:14:487
324353899128,3cyclictest1267-21snmpd08:42:597
324353899128,3cyclictest1267-21snmpd07:50:157
324353899127,4cyclictest6184-21gvfs-afc-volume08:24:377
324353899126,5cyclictest3770178-21latency_hist11:39:237
3243538991212,0cyclictest0-21swapper/709:59:457
3243538991212,0cyclictest0-21swapper/708:04:427
324353899120,11cyclictest1267-21snmpd10:19:457
324353899120,10cyclictest1267-21snmpd10:49:407
324353899120,10cyclictest1267-21snmpd10:49:407
324353899120,10cyclictest1267-21snmpd09:44:277
324353599129,2cyclictest0-21swapper/612:29:366
3243535991211,1cyclictest0-21swapper/611:14:246
3243535991211,1cyclictest0-21swapper/609:58:446
3243535991211,1cyclictest0-21swapper/609:26:346
3243535991211,1cyclictest0-21swapper/609:22:006
3243535991211,1cyclictest0-21swapper/609:03:056
3243535991211,1cyclictest0-21swapper/608:48:536
3243535991211,1cyclictest0-21swapper/607:15:526
324353599120,1cyclictest0-21swapper/612:05:576
324353599120,1cyclictest0-21swapper/608:27:466
324353599120,12cyclictest0-21swapper/612:39:046
324353599120,12cyclictest0-21swapper/612:10:516
324353599120,12cyclictest0-21swapper/610:58:486
324353599120,12cyclictest0-21swapper/609:15:046
324353599120,12cyclictest0-21swapper/609:15:046
324353599120,12cyclictest0-21swapper/607:13:406
3243533991211,1cyclictest0-21swapper/508:15:145
324353399120,1cyclictest0-21swapper/512:09:215
324353399120,1cyclictest0-21swapper/510:02:075
324353399120,12cyclictest0-21swapper/508:51:205
324353399120,12cyclictest0-21swapper/507:43:145
324353399120,12cyclictest0-21swapper/507:43:145
324353899118,2cyclictest6184-21gvfs-afc-volume08:59:377
324353899118,2cyclictest3827525-21sed12:04:517
324353899118,2cyclictest1267-21snmpd09:29:387
324353899118,2cyclictest0-21swapper/710:44:447
324353899117,3cyclictest3528351-21/usr/sbin/munin09:34:477
324353899117,3cyclictest1267-21snmpd08:57:597
324353899117,3cyclictest1267-21snmpd08:44:267
324353899117,3cyclictest1267-21snmpd07:32:067
3243538991110,0cyclictest0-21swapper/709:14:427
3243538991110,0cyclictest0-21swapper/709:14:427
324353899110,9cyclictest1267-21snmpd10:54:347
324353899110,9cyclictest0-21swapper/708:14:487
324353899110,3cyclictest1116-21lldpd07:44:427
324353899110,2cyclictest1060-21runrttasks12:24:477
324353899110,10cyclictest1267-21snmpd08:33:587
324353599116,4cyclictest3654945-21cat10:39:396
3243535991110,1cyclictest0-21swapper/611:46:246
3243535991110,1cyclictest0-21swapper/611:21:116
3243535991110,1cyclictest0-21swapper/611:05:256
3243535991110,1cyclictest0-21swapper/609:40:276
3243535991110,1cyclictest0-21swapper/607:48:496
3243535991110,1cyclictest0-21swapper/607:39:226
3243535991110,1cyclictest0-21swapper/607:27:326
324353599110,11cyclictest0-21swapper/610:32:096
324353599110,11cyclictest0-21swapper/610:25:326
324353599110,11cyclictest0-21swapper/610:16:336
324353599110,11cyclictest0-21swapper/608:53:376
324353399119,2cyclictest3381902-21kworker/u16:1+flush-8:008:19:495
3243533991110,1cyclictest0-21swapper/510:38:145
3243533991110,1cyclictest0-21swapper/510:27:025
3243533991110,1cyclictest0-21swapper/509:08:225
3243533991110,1cyclictest0-21swapper/508:58:355
324353399110,1cyclictest0-21swapper/511:00:465
324353399110,1cyclictest0-21swapper/508:32:165
324353399110,1cyclictest0-21swapper/508:12:525
324353399110,11cyclictest0-21swapper/512:11:435
324353399110,11cyclictest0-21swapper/511:54:135
324353399110,11cyclictest0-21swapper/511:28:125
324353399110,0cyclictest0-21swapper/508:27:325
324353899107,2cyclictest1267-21snmpd07:54:427
324353899106,3cyclictest1267-21snmpd11:13:257
324353899100,5cyclictest924-21NetworkManager09:49:367
324353599109,1cyclictest0-21swapper/611:12:126
324353599109,1cyclictest0-21swapper/610:23:196
324353599109,1cyclictest0-21swapper/610:07:346
324353599109,1cyclictest0-21swapper/610:07:346
324353599109,1cyclictest0-21swapper/608:37:046
324353599109,1cyclictest0-21swapper/607:44:066
324353599109,1cyclictest0-21swapper/607:44:066
324353599106,3cyclictest3751974-21cat11:29:406
324353599105,4cyclictest3554455-21kthreadcore09:44:456
324353599100,9cyclictest0-21swapper/611:54:446
324353399109,1cyclictest0-21swapper/512:35:315
324353399109,1cyclictest0-21swapper/512:30:475
324353399109,1cyclictest0-21swapper/511:44:265
324353399109,1cyclictest0-21swapper/510:15:415
324353399109,1cyclictest0-21swapper/510:13:285
324353399109,1cyclictest0-21swapper/509:53:085
324353399109,1cyclictest0-21swapper/507:55:225
324353399109,1cyclictest0-21swapper/507:47:585
324353399109,1cyclictest0-21swapper/507:35:595
324353399106,3cyclictest3810068-21cat11:59:395
32435359998,1cyclictest0-21swapper/610:38:466
32435359998,1cyclictest0-21swapper/610:03:096
32435359996,2cyclictest2527542-21kworker/u16:0+flush-8:008:19:346
32435359995,3cyclictest3790454-21tune2fs11:49:376
32435359994,4cyclictest3770823-21grep11:39:366
32435359994,4cyclictest3770823-21grep11:39:366
32435359994,4cyclictest3335537-21cat07:54:396
32435359990,8cyclictest3287951-21grep07:29:426
32435339998,1cyclictest0-21swapper/512:16:275
32435339998,1cyclictest0-21swapper/511:59:165
32435339998,1cyclictest0-21swapper/511:16:425
32435339998,1cyclictest0-21swapper/510:31:275
32435339998,1cyclictest0-21swapper/510:08:545
32435339998,1cyclictest0-21swapper/510:08:545
32435339998,1cyclictest0-21swapper/509:41:195
32435339998,1cyclictest0-21swapper/509:15:375
32435339998,1cyclictest0-21swapper/509:15:375
32435339998,1cyclictest0-21swapper/508:41:435
32435339998,1cyclictest0-21swapper/508:02:565
32435339998,1cyclictest0-21swapper/507:28:535
32435339998,1cyclictest0-21swapper/507:24:095
32435339996,2cyclictest3720687-21ntpq11:09:455
32435339996,2cyclictest0-21swapper/508:59:425
32435339995,3cyclictest3674353-21cat10:49:405
32435339995,3cyclictest3674353-21cat10:49:405
32435339995,3cyclictest3258121-21cat07:14:375
32435359984,3cyclictest3403197-21tune2fs08:29:386
32435359983,4cyclictest3862114-21cut12:24:426
32435359983,4cyclictest3813306-21grep11:59:436
32435359983,4cyclictest3741889-21expr11:24:366
32435359983,4cyclictest3693412-21expr10:59:366
32435359983,4cyclictest3485312-21kthreadcore09:09:436
32435359983,4cyclictest3345925-21grep07:59:406
32435359983,4cyclictest3328204-21cut07:49:426
32435339987,1cyclictest0-21swapper/511:07:335
32435339986,1cyclictest0-21swapper/510:44:355
32435339986,1cyclictest0-21swapper/507:29:375
32435339984,3cyclictest3851147-21cut12:19:415
32435339984,3cyclictest3252183-21sed07:09:495
32435339983,4cyclictest3516773-21cut09:24:445
32435339983,4cyclictest3437030-21tr08:44:445
32435339983,4cyclictest3362407-21nfs_client08:04:465
32435339980,7cyclictest3528870-21dnf09:34:375
32435359975,1cyclictest0-21swapper/608:14:416
32435359975,1cyclictest0-21swapper/608:04:386
32435359973,3cyclictest3528697-21cat09:34:366
32435359973,3cyclictest3519385-21grep09:29:396
32435359972,4cyclictest3470509-21expr09:04:396
32435359972,4cyclictest3365249-21tr08:09:406
32435339975,1cyclictest0-21swapper/510:19:355
32435339975,1cyclictest0-21swapper/509:19:355
32435339975,1cyclictest0-21swapper/507:49:385
32435339974,2cyclictest5747-21gnome-shell11:29:335
32435339972,4cyclictest3572641-21cut09:54:465
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