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2026-08-17 - 02:50
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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 highest latencies:
System rack0slot2.osadl.org (updated Mon Aug 17, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40924842960,1sleep74092482-21ssh00:00:577
342918625420,29sleep70-21swapper/719:05:127
40232362500,0sleep74023237-21grep23:33:087
40559902480,1sleep4631rcuc/423:46:194
40559902480,1sleep4631rcuc/423:46:194
342936224737,7sleep40-21swapper/419:07:424
342835724735,7sleep50-21swapper/519:03:185
3429673994037,2cyclictest3578483-21kworker/u16:3+flush-8:020:58:075
3429679993736,0cyclictest0-21swapper/720:18:207
3429679993736,0cyclictest0-21swapper/720:18:207
342913723626,7sleep60-21swapper/619:04:316
3429673993531,3cyclictest3848993-21kworker/u16:0+flush-8:023:53:065
3429679993433,0cyclictest0-21swapper/719:08:227
3429679993433,0cyclictest0-21swapper/700:13:227
3429679993429,4cyclictest3549641-21latency_hist20:07:487
3429679993429,3cyclictest3643233-21grep20:53:117
3429673993431,2cyclictest3443360-21kworker/u16:2+flush-8:020:18:035
3429673993431,2cyclictest3443360-21kworker/u16:2+flush-8:020:18:035
3429679993332,0cyclictest0-21swapper/723:28:257
3429673993229,2cyclictest3443360-21kworker/u16:2+flush-8:020:12:485
3429673993028,2cyclictest3946988-21kworker/u16:3+events_unbound23:17:485
3429679992928,0cyclictest0-21swapper/723:00:467
3429679992928,0cyclictest0-21swapper/700:20:057
3429673992926,2cyclictest3356087-21kworker/u16:1+flush-8:019:08:065
3429679992827,0cyclictest0-21swapper/721:03:137
3429679992826,1cyclictest0-21swapper/700:29:127
3429679992826,1cyclictest0-21swapper/700:29:127
3429679992823,4cyclictest3836960-21latency_hist22:17:477
3429673992826,2cyclictest3823953-21kworker/u16:1+flush-8:022:12:545
3429673992824,3cyclictest3443360-21kworker/u16:2+flush-8:020:13:055
3429679992726,0cyclictest0-21swapper/723:57:427
3429679992726,0cyclictest0-21swapper/720:36:567
3429679992722,4cyclictest3971422-21latency_hist23:12:487
3429679992721,5cyclictest3588370-21latency_hist20:27:487
3429678992726,1cyclictest0-21swapper/600:15:416
3429679992625,0cyclictest0-21swapper/721:24:027
3429679992625,0cyclictest0-21swapper/719:44:087
3429673992623,2cyclictest3678269-21kworker/u16:1+flush-8:021:28:065
3429679992524,0cyclictest0-21swapper/723:13:347
3429679992524,0cyclictest0-21swapper/723:04:247
3429679992524,0cyclictest0-21swapper/721:52:597
3429679992523,1cyclictest4151448-21ssh00:23:167
3429678992521,3cyclictest3654735-21kworker/u16:4+flush-8:021:57:486
3429679992423,0cyclictest0-21swapper/719:49:407
3429679992423,0cyclictest0-21swapper/719:24:557
3429679992423,0cyclictest0-21swapper/700:04:567
3429673992422,2cyclictest3749703-21kworker/u16:1+events_unbound21:43:155
3429679992322,0cyclictest0-21swapper/723:40:527
3429679992322,0cyclictest0-21swapper/720:51:207
3429679992322,0cyclictest0-21swapper/720:38:047
3429679992322,0cyclictest0-21swapper/720:13:397
3429679992322,0cyclictest0-21swapper/700:09:327
3429679992221,0cyclictest0-21swapper/723:23:287
3429679992221,0cyclictest0-21swapper/722:29:527
3429679992221,0cyclictest0-21swapper/721:41:457
3429679992221,0cyclictest0-21swapper/720:12:407
3429679992221,0cyclictest0-21swapper/719:42:367
3429673992220,2cyclictest3578483-21kworker/u16:3+events_unbound20:32:485
3429679992120,0cyclictest0-21swapper/721:18:537
3429679992120,0cyclictest0-21swapper/721:12:347
3429679992019,0cyclictest0-21swapper/723:21:337
3429679992019,0cyclictest0-21swapper/721:13:547
3429679992019,0cyclictest0-21swapper/720:30:477
3429673992018,2cyclictest3946988-21kworker/u16:3+events_unbound23:18:025
3429673992018,2cyclictest3836453-21kworker/u16:2+events_unbound22:28:085
3429673992018,2cyclictest3823953-21kworker/u16:1+events_unbound22:49:575
3429673992018,2cyclictest3443360-21kworker/u16:2+flush-8:022:03:235
3429673992018,2cyclictest3443360-21kworker/u16:2+flush-8:020:53:185
3429673992017,2cyclictest4057197-21kworker/u16:1+flush-8:000:13:035
3429673992015,2cyclictest3823953-21kworker/u16:1+flush-8:022:42:485
3429679991918,0cyclictest0-21swapper/722:39:247
3429679991918,0cyclictest0-21swapper/719:13:557
3429679991917,1cyclictest0-21swapper/723:48:337
3429678991916,3cyclictest3483323-21kworker/u16:4+events_unbound19:38:036
3429673991917,2cyclictest3500982-21kworker/u16:0+events_unbound19:58:165
3429679991817,0cyclictest0-21swapper/722:22:557
3429679991817,0cyclictest0-21swapper/720:59:117
3429679991817,0cyclictest0-21swapper/720:45:117
3429679991817,0cyclictest0-21swapper/719:35:567
3429679991817,0cyclictest0-21swapper/719:35:567
3429679991817,0cyclictest0-21swapper/719:19:357
3429679991816,1cyclictest3539695-21sshd-session19:59:177
3429679991814,3cyclictest3789869-21kthreadcore21:58:087
3429673991816,2cyclictest3873633-21kworker/u16:5+flush-8:023:02:475
3429673991816,2cyclictest3418777-21kworker/u16:0+events_unbound19:12:525
3429679991714,2cyclictest3739302-21/usr/sbin/munin21:37:477
3429673991715,2cyclictest3500982-21kworker/u16:0+flush-8:019:43:075
3429673991715,2cyclictest3500982-21kworker/u16:0+events_unbound19:53:045
3429679991615,0cyclictest0-21swapper/719:56:057
3429673991615,1cyclictest4105158-21kworker/u16:0+flush-8:000:24:475
342966999160,1cyclictest0-21swapper/423:01:304
3429679991514,0cyclictest0-21swapper/722:54:007
3429679991514,0cyclictest0-21swapper/721:46:407
3429678991512,2cyclictest3823953-21kworker/u16:1+flush-8:022:57:486
342967899150,15cyclictest0-21swapper/622:49:216
342967399156,8cyclictest0-21swapper/523:35:395
3429673991513,2cyclictest4030342-21kworker/u16:3+flush-8:023:58:185
3429673991513,2cyclictest4017997-21kworker/u16:2+events_unbound23:38:315
3429669991512,3cyclictest0-21swapper/400:27:544
3429669991512,3cyclictest0-21swapper/400:27:544
3429679991412,1cyclictest0-21swapper/722:48:127
3429679991411,2cyclictest0-21swapper/722:43:187
3429678991413,1cyclictest0-21swapper/623:17:446
3429678991413,1cyclictest0-21swapper/622:52:496
3429678991413,1cyclictest0-21swapper/622:11:126
3429678991413,1cyclictest0-21swapper/621:25:476
3429678991413,1cyclictest0-21swapper/621:17:546
3429678991413,1cyclictest0-21swapper/621:17:266
3429678991413,1cyclictest0-21swapper/619:43:096
3429678991413,1cyclictest0-21swapper/600:24:066
3429678991410,4cyclictest0-21swapper/621:41:336
342967899140,1cyclictest0-21swapper/622:42:536
342967899140,1cyclictest0-21swapper/621:33:406
342967899140,1cyclictest0-21swapper/620:12:476
342967899140,14cyclictest0-21swapper/622:07:446
342967899140,14cyclictest0-21swapper/621:29:446
342967899140,14cyclictest0-21swapper/621:09:056
342967899140,14cyclictest0-21swapper/600:01:346
342967899140,0cyclictest0-21swapper/623:48:296
3429673991413,1cyclictest0-21swapper/522:23:185
3429673991412,2cyclictest4017997-21kworker/u16:2+events_unbound23:48:395
3429673991412,2cyclictest3873633-21kworker/u16:5+flush-8:023:03:035
3429673991412,2cyclictest3811462-21kworker/u16:0+flush-8:022:08:035
3429673991412,2cyclictest3654735-21kworker/u16:4+flush-8:021:08:115
3429669991413,1cyclictest0-21swapper/423:39:394
3429669991413,1cyclictest0-21swapper/422:00:574
3429669991413,1cyclictest0-21swapper/400:05:504
3429669991410,1cyclictest0-21swapper/422:29:114
342966999140,1cyclictest0-21swapper/422:45:354
342966999140,1cyclictest0-21swapper/400:27:264
342966999140,14cyclictest0-21swapper/421:53:334
342966999140,12cyclictest0-21swapper/400:21:554
3429679991313,0cyclictest0-21swapper/721:51:177
3429679991312,0cyclictest0-21swapper/700:33:297
342967999130,12cyclictest1302-21snmpd19:29:587
3429678991312,1cyclictest0-21swapper/623:22:476
3429678991312,1cyclictest0-21swapper/622:22:056
3429678991312,1cyclictest0-21swapper/622:15:086
3429678991312,1cyclictest0-21swapper/621:45:306
3429678991312,1cyclictest0-21swapper/600:10:056
3429678991311,2cyclictest3398916-21kworker/u16:4+flush-8:019:18:076
342967899130,2cyclictest0-21swapper/619:49:186
342967899130,0cyclictest0-21swapper/600:29:386
342967899130,0cyclictest0-21swapper/600:29:386
3429673991312,1cyclictest0-21swapper/523:46:435
3429673991312,1cyclictest0-21swapper/523:46:435
3429673991312,1cyclictest0-21swapper/523:27:575
3429673991312,1cyclictest0-21swapper/522:47:165
3429673991310,2cyclictest3443360-21kworker/u16:2+events_unbound21:18:045
342967399130,13cyclictest0-21swapper/522:19:505
342967399130,13cyclictest0-21swapper/521:37:075
342967399130,13cyclictest0-21swapper/521:26:425
3429669991312,1cyclictest0-21swapper/423:34:374
3429669991312,1cyclictest0-21swapper/423:04:584
3429669991312,1cyclictest0-21swapper/422:18:464
3429669991312,1cyclictest0-21swapper/422:08:224
3429669991312,1cyclictest0-21swapper/421:42:124
3429669991312,1cyclictest0-21swapper/421:19:304
3429669991312,1cyclictest0-21swapper/420:08:144
3429669991310,1cyclictest0-21swapper/423:19:284
342966999130,13cyclictest0-21swapper/400:33:254
342966999130,11cyclictest0-21swapper/419:13:314
40104402120,0sleep40-21swapper/423:28:084
3429679991212,0cyclictest0-21swapper/723:45:587
3429679991212,0cyclictest0-21swapper/723:45:587
3429679991211,0cyclictest0-21swapper/722:03:017
3429679991210,1cyclictest0-21swapper/722:33:097
3429679991210,1cyclictest0-21swapper/722:18:177
342967899128,3cyclictest3473210-21cat19:28:036
3429678991211,1cyclictest0-21swapper/622:00:476
342967899120,12cyclictest0-21swapper/620:23:596
342967399129,2cyclictest3873633-21kworker/u16:5+events_unbound22:56:585
3429673991211,1cyclictest0-21swapper/523:08:145
3429673991210,2cyclictest4030342-21kworker/u16:3+events_unbound00:33:125
3429673991210,2cyclictest3443360-21kworker/u16:2+flush-8:019:23:175
342967399120,1cyclictest0-21swapper/521:12:505
3429669991211,1cyclictest0-21swapper/423:55:164
3429669991211,1cyclictest0-21swapper/423:08:264
3429669991211,1cyclictest0-21swapper/422:49:034
3429669991211,1cyclictest0-21swapper/420:39:174
342966999120,12cyclictest0-21swapper/420:46:234
342966999120,12cyclictest0-21swapper/419:21:434
342967999118,2cyclictest0-21swapper/721:28:067
342967999117,3cyclictest1302-21snmpd22:09:587
342967899119,2cyclictest3443360-21kworker/u16:2+flush-8:021:47:586
342967899118,2cyclictest0-21swapper/619:23:106
3429678991110,1cyclictest0-21swapper/623:43:266
3429678991110,1cyclictest0-21swapper/623:43:266
3429678991110,1cyclictest0-21swapper/620:42:166
3429678991110,1cyclictest0-21swapper/620:13:166
3429678991110,1cyclictest0-21swapper/619:08:566
3429678991110,1cyclictest0-21swapper/600:18:356
342967899110,11cyclictest0-21swapper/620:51:536
342967899110,11cyclictest0-21swapper/620:37:146
342967899110,11cyclictest0-21swapper/619:55:276
342967399119,2cyclictest3500982-21kworker/u16:0+events_unbound20:03:065
3429673991110,1cyclictest0-21swapper/520:48:055
3429673991110,1cyclictest0-21swapper/520:38:285
3429673991110,1cyclictest0-21swapper/519:28:275
342967399110,1cyclictest0-21swapper/519:34:365
342967399110,1cyclictest0-21swapper/519:34:365
342967399110,11cyclictest0-21swapper/519:40:455
3429669991110,1cyclictest0-21swapper/423:24:314
3429669991110,1cyclictest0-21swapper/422:15:184
3429669991110,1cyclictest0-21swapper/421:07:404
3429669991110,1cyclictest0-21swapper/420:03:394
3429669991110,1cyclictest0-21swapper/419:57:024
3429669991110,1cyclictest0-21swapper/419:42:414
342966999110,11cyclictest0-21swapper/421:49:364
342966999110,11cyclictest0-21swapper/419:36:324
342966999110,11cyclictest0-21swapper/419:36:324
342966999110,11cyclictest0-21swapper/419:28:204
342967899109,1cyclictest0-21swapper/623:33:206
342967899109,1cyclictest0-21swapper/623:28:186
342967899109,1cyclictest0-21swapper/622:39:536
342967899109,1cyclictest0-21swapper/622:36:256
342967899109,1cyclictest0-21swapper/622:26:016
342967899108,2cyclictest86-21ksoftirqd/600:33:206
342967899100,3cyclictest3448274-21kthreadcore19:13:066
342967899100,10cyclictest0-21swapper/620:44:486
342967899100,0cyclictest0-21swapper/621:01:316
342967399109,1cyclictest0-21swapper/523:23:235
342967399109,1cyclictest0-21swapper/522:00:555
342967399109,1cyclictest0-21swapper/521:57:275
342967399109,1cyclictest0-21swapper/520:45:335
342967399108,2cyclictest4030342-21kworker/u16:3+events_unbound00:08:105
342967399108,2cyclictest3873633-21kworker/u16:5+flush-8:022:33:235
342967399107,2cyclictest3398916-21kworker/u16:4+events_unbound19:18:035
3429673991010,0cyclictest0-21swapper/521:06:225
342966999109,1cyclictest0-21swapper/422:39:354
342966999109,1cyclictest0-21swapper/421:27:234
342966999109,1cyclictest0-21swapper/421:15:334
342966999109,1cyclictest0-21swapper/420:14:514
342966999109,1cyclictest0-21swapper/400:08:494
342966999108,1cyclictest0-21swapper/420:25:404
34296789998,1cyclictest0-21swapper/623:54:006
34296789998,1cyclictest0-21swapper/623:06:136
34296789997,2cyclictest86-21ksoftirqd/623:23:276
34296789997,2cyclictest86-21ksoftirqd/623:08:346
34296789990,9cyclictest0-21swapper/622:30:126
34296739998,1cyclictest0-21swapper/521:50:595
34296739998,1cyclictest0-21swapper/500:03:545
34296739997,2cyclictest4030342-21kworker/u16:3+flush-8:000:32:475
34296739997,2cyclictest4030342-21kworker/u16:3+flush-8:000:32:475
34296739995,1cyclictest3520523-21turbostat19:52:485
34296699998,1cyclictest0-21swapper/423:14:264
34296699998,1cyclictest0-21swapper/422:25:434
34296699998,1cyclictest0-21swapper/422:04:544
34296699998,1cyclictest0-21swapper/421:46:084
34296699998,1cyclictest0-21swapper/421:08:084
34296789987,1cyclictest0-21swapper/623:38:236
34296789986,2cyclictest86-21ksoftirqd/621:07:486
34296789986,2cyclictest86-21ksoftirqd/600:05:256
34296739986,2cyclictest3578483-21kworker/u16:3+flush-8:020:33:055
34296699987,1cyclictest0-21swapper/423:58:164
34296699987,1cyclictest0-21swapper/422:36:074
34296699987,1cyclictest0-21swapper/421:27:514
34296699987,1cyclictest0-21swapper/420:53:574
34296699984,3cyclictest3514674-21cut19:48:074
34296699983,4cyclictest3471090-21ntpq19:23:144
34296789976,1cyclictest0-21swapper/620:56:566
34296789976,1cyclictest0-21swapper/620:28:336
34296789973,3cyclictest3483968-21grep19:33:046
34296789973,3cyclictest3483968-21grep19:33:046
34296739976,1cyclictest0-21swapper/520:23:105
34296699976,1cyclictest0-21swapper/422:55:314
34296699976,1cyclictest0-21swapper/421:35:154
34296699976,1cyclictest0-21swapper/420:36:464
34296699976,1cyclictest0-21swapper/420:28:064
34296699973,3cyclictest3501548-21cpu19:43:014
34296789960,6cyclictest0-21swapper/620:18:086
34296789960,6cyclictest0-21swapper/620:18:086
34296789960,6cyclictest0-21swapper/620:03:046
34296789960,1cyclictest0-21swapper/619:58:136
34296739964,2cyclictest4057197-21kworker/u16:1+flush-8:000:18:185
34296699963,3cyclictest4057197-21kworker/u16:1+flush-8:000:13:294
34296699960,2cyclictest0-21swapper/420:18:154
34296699960,2cyclictest0-21swapper/420:18:154
34296699960,1cyclictest0-21swapper/423:50:124
34296699960,1cyclictest0-21swapper/420:50:334
34296739950,5cyclictest0-21swapper/521:37:585
34296699950,4cyclictest3647045-21chrt20:57:504
34296699950,4cyclictest3531292-21chrt19:58:054
34296699950,4cyclictest3430681-21taskset19:08:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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