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2026-08-11 - 15:53
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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 Tue Aug 11, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31782852970,1sleep73178283-21ssh12:03:067
251267026436,7sleep40-21swapper/407:04:134
251287426220,36sleep70-21swapper/707:07:057
251325699510,49cyclictest2565493-21latency_hist07:33:107
2513245994744,2cyclictest3167820-21kworker/u16:4+events_unbound12:13:114
2513256994341,1cyclictest2750156-21diskmemload10:28:447
2513245994240,2cyclictest2799013-21kworker/u16:2+flush-8:010:18:094
2513245994037,2cyclictest2642959-21kworker/u16:1+events_unbound08:18:114
2513256993937,1cyclictest2750156-21diskmemload11:32:367
2513254993836,2cyclictest2730537-21kworker/u16:0+events_unbound09:48:036
2513254993832,6cyclictest2907254-21kworker/u16:3+flush-8:010:51:286
2513245993835,2cyclictest2730537-21kworker/u16:0+events_unbound09:48:114
2513256993732,4cyclictest3166074-21latency_hist11:58:087
2513254993735,2cyclictest3153947-21kworker/u16:2+events_unbound12:10:026
2513254993735,2cyclictest2995318-21kworker/u16:2+events_unbound11:04:356
2513254993735,2cyclictest2919603-21kworker/u16:0+events_unbound10:54:516
2513254993735,2cyclictest2919603-21kworker/u16:0+events_unbound10:26:156
2513245993735,2cyclictest3102002-21kworker/u16:0+events_unbound11:30:474
2513245993735,2cyclictest3029396-21kworker/u16:1+flush-8:012:33:114
2513245993735,2cyclictest2995318-21kworker/u16:2+events_unbound11:27:274
2513245993735,2cyclictest2835080-21kworker/u16:1+events_unbound09:56:434
2513245993735,2cyclictest2691543-21kworker/u16:5+flush-8:009:08:524
2513256993634,1cyclictest2750156-21diskmemload11:15:507
2513254993634,2cyclictest2907254-21kworker/u16:3+events_unbound11:32:076
2513245993634,2cyclictest3102002-21kworker/u16:0+events_unbound11:37:274
2513245993634,2cyclictest3029396-21kworker/u16:1+events_unbound12:18:594
2513256993533,1cyclictest3213812-21ssh12:15:597
2513256993533,1cyclictest2750156-21diskmemload10:50:197
2513254993533,2cyclictest3140079-21kworker/u16:0+events_unbound11:46:586
2513254993533,2cyclictest2995318-21kworker/u16:2+events_unbound11:17:476
2513254993533,2cyclictest2730537-21kworker/u16:0+flush-8:009:26:396
2513254993533,2cyclictest2730537-21kworker/u16:0+events_unbound09:59:236
2513245993533,2cyclictest2995318-21kworker/u16:2+flush-8:011:10:554
2513245993533,2cyclictest2995318-21kworker/u16:2+events_unbound11:00:554
2513245993533,2cyclictest2907254-21kworker/u16:3+flush-8:011:54:474
2513245993533,2cyclictest2799013-21kworker/u16:2+events_unbound09:37:164
2513245993533,2cyclictest2749825-21kworker/u16:1+events_unbound09:24:594
2513245993533,2cyclictest2730537-21kworker/u16:0+events_unbound09:29:484
2513256993432,1cyclictest2750156-21diskmemload10:12:367
2513254993432,2cyclictest3029396-21kworker/u16:1+events_unbound12:06:076
2513254993432,2cyclictest3029396-21kworker/u16:1+events_unbound12:06:076
2513254993432,2cyclictest3029396-21kworker/u16:1+events_unbound11:02:506
2513254993432,2cyclictest2919603-21kworker/u16:0+events_unbound10:40:146
2513245993432,2cyclictest3029396-21kworker/u16:1+events_unbound11:52:284
2513245993432,2cyclictest2995318-21kworker/u16:2+events_unbound11:07:354
2513245993432,2cyclictest2958344-21kworker/u16:4+events_unbound10:38:424
2513245993432,2cyclictest2730537-21kworker/u16:0+flush-8:009:58:434
2513245993432,2cyclictest2522820-21kworker/u16:4+events_unbound07:58:094
251269023424,7sleep60-21swapper/607:04:316
2513256993327,4cyclictest2786752-21latency_hist09:23:097
2513254993331,2cyclictest2907254-21kworker/u16:3+events_unbound10:32:406
2513254993331,2cyclictest2822762-21kworker/u16:3+events_unbound09:40:436
2513254993331,2cyclictest2730537-21kworker/u16:0+events_unbound09:31:036
2513245993331,2cyclictest3153947-21kworker/u16:2+events_unbound12:05:344
2513245993331,2cyclictest3153947-21kworker/u16:2+events_unbound12:05:344
2513245993331,2cyclictest3140079-21kworker/u16:0+events_unbound11:45:124
2513245993331,2cyclictest2995318-21kworker/u16:2+events_unbound11:19:364
251289923323,7sleep50-21swapper/507:07:275
2513256993230,1cyclictest2750156-21diskmemload09:58:097
2513256993225,5cyclictest648-21systemd-journal11:48:097
2513254993230,2cyclictest3140079-21kworker/u16:0+events_unbound11:53:036
2513254993230,2cyclictest3029396-21kworker/u16:1+events_unbound12:14:276
2513254993230,2cyclictest2958344-21kworker/u16:4+events_unbound10:45:246
2513254993230,2cyclictest2907254-21kworker/u16:3+events_unbound11:35:426
2513254993230,2cyclictest2907254-21kworker/u16:3+events_unbound11:25:556
2513254993230,2cyclictest2835080-21kworker/u16:1+events_unbound09:56:236
2513254993230,2cyclictest2799013-21kworker/u16:2+events_unbound09:51:166
2513254993230,2cyclictest2691543-21kworker/u16:5+events_unbound09:14:246
2513254993230,2cyclictest2691543-21kworker/u16:5+events_unbound09:09:076
2513245993230,2cyclictest3167820-21kworker/u16:4+events_unbound12:12:204
2513245993230,2cyclictest2995318-21kworker/u16:2+events_unbound10:50:104
2513245993230,2cyclictest2919603-21kworker/u16:0+flush-8:011:16:234
2513245993230,2cyclictest2919603-21kworker/u16:0+events_unbound10:57:594
2513245993230,2cyclictest2919603-21kworker/u16:0+events_unbound10:47:514
2513245993230,2cyclictest2894549-21kworker/u16:1+events_unbound10:37:474
2513245993230,2cyclictest2894549-21kworker/u16:1+events_unbound10:03:434
2513245993230,2cyclictest2822762-21kworker/u16:3+events_unbound09:42:234
2513245993230,2cyclictest2799013-21kworker/u16:2+flush-8:010:27:554
2513245993230,2cyclictest2749825-21kworker/u16:1+flush-8:009:20:514
2513245993230,2cyclictest2730537-21kworker/u16:0+events_unbound09:46:114
2513245993230,2cyclictest2691543-21kworker/u16:5+flush-8:009:17:364
2513256993130,0cyclictest0-21swapper/711:05:507
2513254993129,2cyclictest3167820-21kworker/u16:4+events_unbound12:27:276
2513254993129,2cyclictest3153947-21kworker/u16:2+flush-8:011:59:236
2513254993129,2cyclictest3029396-21kworker/u16:1+events_unbound11:39:486
2513254993129,2cyclictest2995318-21kworker/u16:2+events_unbound11:11:556
2513254993129,2cyclictest2749825-21kworker/u16:1+events_unbound09:21:446
2513245993129,2cyclictest3029396-21kworker/u16:1+flush-8:011:42:404
2513245993129,2cyclictest3029396-21kworker/u16:1+events_unbound12:24:144
2513245993129,2cyclictest3029396-21kworker/u16:1+events_unbound12:01:104
2513245993129,2cyclictest2919603-21kworker/u16:0+events_unbound10:31:084
2513245993129,2cyclictest2907254-21kworker/u16:3+flush-8:010:11:064
2513245993129,2cyclictest2799013-21kworker/u16:2+events_unbound10:20:594
2513245993129,2cyclictest2691543-21kworker/u16:5+flush-8:009:03:364
2513256993029,0cyclictest0-21swapper/712:28:187
2513254993028,2cyclictest2799013-21kworker/u16:2+events_unbound10:05:286
2513254993028,2cyclictest2720750-21kworker/u16:1+flush-8:008:55:356
2513256992928,0cyclictest0-21swapper/709:43:127
2513256992926,2cyclictest2981764-21ssh10:41:287
2513256992924,4cyclictest3080561-21latency_hist11:23:087
2513254992927,2cyclictest3153947-21kworker/u16:2+events_unbound12:22:246
2513254992927,2cyclictest2907254-21kworker/u16:3+flush-8:010:10:306
2513254992927,2cyclictest2691543-21kworker/u16:5+events_unbound09:03:396
2513245992927,2cyclictest3029396-21kworker/u16:1+events_unbound12:30:314
2513256992827,0cyclictest0-21swapper/712:25:387
2513256992824,3cyclictest3090588-21rm11:24:087
2513254992826,2cyclictest3167820-21kworker/u16:4+events_unbound12:29:546
2513245992825,2cyclictest2555549-21kworker/u16:0+flush-8:007:58:194
28093152270,1chrt2809313-21ssh09:29:357
2513256992726,0cyclictest0-21swapper/710:22:237
2513256992726,0cyclictest0-21swapper/709:49:357
2513256992725,1cyclictest2761551-21ssh09:11:437
2513256992725,1cyclictest2750156-21diskmemload11:36:447
2513254992725,2cyclictest3029396-21kworker/u16:1+flush-8:011:53:436
2513254992725,2cyclictest2565707-21kworker/u16:3+events_unbound08:17:206
2513256992625,0cyclictest0-21swapper/712:19:507
2513256992625,0cyclictest0-21swapper/712:09:077
2513256992625,0cyclictest0-21swapper/710:54:357
2513256992624,1cyclictest2944148-21ssh10:24:517
2513254992624,2cyclictest2691543-21kworker/u16:5+events_unbound08:41:446
2513254992624,2cyclictest2642959-21kworker/u16:1+flush-8:008:21:276
2513250992624,2cyclictest2919603-21kworker/u16:0+events_unbound10:28:245
2513256992524,0cyclictest0-21swapper/710:16:077
2513256992524,0cyclictest0-21swapper/709:37:087
2513254992523,2cyclictest2799013-21kworker/u16:2+flush-8:010:23:096
2513254992523,2cyclictest2799013-21kworker/u16:2+events_unbound09:37:306
2513254992523,2cyclictest2691543-21kworker/u16:5+events_unbound08:43:106
2513254992523,2cyclictest2484344-21kworker/u16:3+flush-8:007:11:396
2513250992523,2cyclictest2522820-21kworker/u16:4+flush-8:007:18:355
2513245992523,2cyclictest2731092-21kworker/u16:2+flush-8:009:01:444
2513245992523,2cyclictest2522476-21kworker/u16:2+events_unbound07:17:204
2513245992522,2cyclictest2691543-21kworker/u16:5+events_unbound08:38:154
2513256992423,0cyclictest0-21swapper/710:34:087
2513254992422,2cyclictest2995318-21kworker/u16:2+flush-8:011:21:356
2513254992422,2cyclictest2565248-21kworker/u16:1+events_unbound07:44:196
2513254992422,2cyclictest2459107-21kworker/u16:1+events_unbound07:18:116
2513254992422,1cyclictest3215088-21kworker/u16:3+events_unbound12:33:136
2513254992421,2cyclictest2522820-21kworker/u16:4+flush-8:007:48:156
2513245992422,2cyclictest2681160-21kworker/u16:4+flush-8:008:30:204
2513245992422,2cyclictest2522820-21kworker/u16:4+flush-8:008:09:204
2513245992421,2cyclictest2459107-21kworker/u16:1+flush-8:007:08:264
2513256992322,0cyclictest0-21swapper/709:27:437
2513256992319,2cyclictest2536388-21munin-run07:18:097
2513254992321,2cyclictest2919603-21kworker/u16:0+flush-8:010:34:146
2513254992321,2cyclictest2565248-21kworker/u16:1+flush-8:007:42:436
2513254992321,2cyclictest2555549-21kworker/u16:0+flush-8:008:24:326
2513250992319,3cyclictest2484344-21kworker/u16:3+flush-8:007:13:125
2513256992221,0cyclictest0-21swapper/709:16:437
2513256992220,1cyclictest3053651-21ssh11:08:427
2513256992219,1cyclictest2896966-21ssh10:08:037
2513256992218,3cyclictest3190466-21ssh12:08:037
2513256992218,3cyclictest3190466-21ssh12:08:037
2513254992220,2cyclictest2642959-21kworker/u16:1+events_unbound08:34:446
2513254992220,2cyclictest2565707-21kworker/u16:3+events_unbound07:36:376
2513254992220,2cyclictest2555549-21kworker/u16:0+events_unbound08:05:486
2513254992220,2cyclictest2555549-21kworker/u16:0+events_unbound08:05:486
2513245992220,2cyclictest2691543-21kworker/u16:5+events_unbound08:55:194
2513245992220,2cyclictest2555549-21kworker/u16:0+events_unbound08:24:204
2513256992120,0cyclictest0-21swapper/709:59:397
2513254992119,2cyclictest2731092-21kworker/u16:2+events_unbound09:02:446
2513245992018,2cyclictest2565707-21kworker/u16:3+flush-8:007:36:194
2513245992018,2cyclictest2522820-21kworker/u16:4+events_unbound07:51:404
2513245992017,2cyclictest2691543-21kworker/u16:5+events_unbound08:43:164
2513256991918,0cyclictest0-21swapper/712:37:117
2513256991915,3cyclictest1302-21snmpd07:45:467
2513254991917,2cyclictest2681160-21kworker/u16:4+events_unbound08:33:086
2513254991917,2cyclictest2459107-21kworker/u16:1+flush-8:007:14:446
2513256991817,0cyclictest0-21swapper/711:43:077
251325699180,16cyclictest3153512-21sh11:52:327
2513250991817,1cyclictest2822762-21kworker/u16:3+flush-8:009:38:095
2513250991816,2cyclictest3167820-21kworker/u16:4+events_unbound12:03:275
2513250991816,2cyclictest3167820-21kworker/u16:4+events_unbound12:03:275
2513245991816,2cyclictest2565248-21kworker/u16:1+events_unbound07:44:244
2513245991816,2cyclictest2555549-21kworker/u16:0+events_unbound08:36:214
2513256991716,0cyclictest0-21swapper/710:47:597
2513256991716,0cyclictest0-21swapper/709:42:057
2513256991715,1cyclictest16950irq/16-ehci_hcd:usb408:01:197
2513254991715,2cyclictest2799013-21kworker/u16:2+flush-8:010:14:316
2513254991715,2cyclictest2522820-21kworker/u16:4+flush-8:008:08:436
2513254991715,2cyclictest2522476-21kworker/u16:2+flush-8:007:25:196
2513254991714,2cyclictest2522476-21kworker/u16:2+events_unbound07:28:176
2513250991714,2cyclictest2730537-21kworker/u16:0+flush-8:009:58:255
2513245991715,2cyclictest2642959-21kworker/u16:1+events_unbound08:15:354
2513245991715,2cyclictest2522476-21kworker/u16:2+events_unbound07:21:194
2513256991615,0cyclictest0-21swapper/710:59:237
2513256991615,0cyclictest0-21swapper/708:52:197
2513256991615,0cyclictest0-21swapper/708:52:197
2513256991615,0cyclictest0-21swapper/707:38:407
2513256991610,0cyclictest0-21swapper/708:03:387
2513256991610,0cyclictest0-21swapper/708:03:387
2513254991614,2cyclictest2555549-21kworker/u16:0+flush-8:007:58:246
2513250991613,2cyclictest2907254-21kworker/u16:3+flush-8:011:13:415
2513245991613,2cyclictest2459107-21kworker/u16:1+events_unbound07:23:124
2513256991513,1cyclictest0-21swapper/707:53:307
2513250991514,1cyclictest0-21swapper/509:52:285
2513250991512,2cyclictest3167820-21kworker/u16:4+flush-8:012:33:145
2513250991512,2cyclictest2995318-21kworker/u16:2+flush-8:011:20:505
251325099150,1cyclictest0-21swapper/507:38:315
251325099150,15cyclictest0-21swapper/511:40:385
2513245991513,2cyclictest2565248-21kworker/u16:1+events_unbound07:41:194
2513245991513,2cyclictest2555549-21kworker/u16:0+flush-8:008:05:354
2513245991513,2cyclictest2555549-21kworker/u16:0+flush-8:008:05:354
251325699146,7cyclictest5965-21gmain08:08:317
2513256991413,0cyclictest0-21swapper/708:58:297
2513254991412,2cyclictest2691543-21kworker/u16:5+events_unbound08:51:486
2513254991412,2cyclictest2691543-21kworker/u16:5+events_unbound08:51:486
2513250991413,1cyclictest0-21swapper/511:58:555
2513250991413,1cyclictest0-21swapper/511:11:465
2513250991413,1cyclictest0-21swapper/510:37:245
2513250991413,1cyclictest0-21swapper/510:18:485
2513250991413,1cyclictest0-21swapper/510:15:485
2513250991413,1cyclictest0-21swapper/510:03:405
2513250991413,1cyclictest0-21swapper/509:47:545
2513250991412,2cyclictest2919603-21kworker/u16:0+events_unbound10:43:395
251325099140,1cyclictest0-21swapper/511:06:445
251325099140,1cyclictest0-21swapper/510:12:485
251325099140,14cyclictest0-21swapper/511:26:265
2513245991412,2cyclictest2522476-21kworker/u16:2+flush-8:007:28:154
251325699139,3cyclictest1302-21snmpd08:44:597
251325699139,3cyclictest1302-21snmpd08:27:087
251325699139,3cyclictest1302-21snmpd08:13:347
251325699139,3cyclictest1302-21snmpd07:37:467
251325699137,5cyclictest2522779-21latency_hist07:13:097
251325699136,6cyclictest6050-21gmain07:18:157
2513256991312,0cyclictest0-21swapper/707:24:277
2513256991310,2cyclictest1302-21snmpd08:53:597
2513254991311,2cyclictest2565707-21kworker/u16:3+flush-8:007:53:406
2513250991312,1cyclictest0-21swapper/512:09:385
2513250991312,1cyclictest0-21swapper/510:24:195
2513250991312,1cyclictest0-21swapper/509:25:595
251325099130,1cyclictest0-21swapper/512:20:215
251325099130,13cyclictest0-21swapper/511:28:585
251325099130,13cyclictest0-21swapper/509:38:455
251325099130,13cyclictest0-21swapper/509:21:535
251325099130,13cyclictest0-21swapper/509:08:295
251325699129,2cyclictest1302-21snmpd08:33:237
251325699126,6cyclictest6466-21gmain09:08:067
2513256991211,0cyclictest0-21swapper/707:48:197
2513250991211,1cyclictest0-21swapper/511:52:185
2513250991211,1cyclictest0-21swapper/511:36:035
2513250991211,1cyclictest0-21swapper/510:59:385
2513250991211,1cyclictest0-21swapper/509:14:095
2513250991211,1cyclictest0-21swapper/507:26:195
2513245991210,2cyclictest2555549-21kworker/u16:0+events_unbound08:49:314
2513245991210,2cyclictest2555549-21kworker/u16:0+events_unbound08:49:314
251325699117,3cyclictest1302-21snmpd08:40:507
251325699116,4cyclictest6050-21gmain08:18:317
251325699115,5cyclictest6050-21gmain08:28:237
251325099117,3cyclictest2681160-21kworker/u16:4+flush-8:008:48:355
251325099117,3cyclictest2681160-21kworker/u16:4+flush-8:008:48:355
251325099117,3cyclictest2565707-21kworker/u16:3+flush-8:007:53:365
2513250991110,1cyclictest0-21swapper/510:57:075
2513250991110,1cyclictest0-21swapper/508:22:555
251325099110,1cyclictest0-21swapper/508:07:095
251325099110,1cyclictest0-21swapper/508:07:095
251325099110,11cyclictest0-21swapper/509:03:455
251325099110,0cyclictest0-21swapper/507:44:365
251325099109,1cyclictest0-21swapper/510:50:015
251325099109,1cyclictest0-21swapper/510:42:275
251325099109,1cyclictest0-21swapper/509:57:025
251325099109,1cyclictest0-21swapper/509:30:055
251325099109,1cyclictest0-21swapper/507:49:585
251325099109,1cyclictest0-21swapper/507:31:125
251325099108,1cyclictest0-21swapper/511:43:295
251325099106,3cyclictest2566663-21cat07:33:245
251325099106,3cyclictest2514227-21cat07:08:245
251325099105,4cyclictest2652655-21udev-worker08:14:555
25132509998,1cyclictest0-21swapper/512:16:165
25132509998,1cyclictest0-21swapper/508:59:015
25132509998,1cyclictest0-21swapper/508:39:095
25132509987,1cyclictest0-21swapper/508:01:475
25132509986,1cyclictest0-21swapper/508:28:285
25132509983,4cyclictest3233477-21kthreadcore12:23:295
25132509983,4cyclictest2666149-21cat08:23:315
25132509982,1cyclictest2907254-21kworker/u16:3-xprtiod11:55:555
25132509974,2cyclictest3240815-21irqcore12:28:265
25132509973,3cyclictest2703164-21cut08:43:255
25132509972,4cyclictest2722177-21cat08:53:255
25132509972,4cyclictest2633970-21cat08:08:225
25132509970,6cyclictest2684030-21cut08:33:265
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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