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2026-03-14 - 06:11
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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 Sat Mar 14, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251879025747,7sleep60-21swapper/619:01:206
251890724837,8sleep40-21swapper/419:03:024
2519273994743,3cyclictest650-21systemd-journal23:53:527
2519273994740,5cyclictest3181192-21latency_hist00:03:527
251876024737,7sleep50-21swapper/519:00:555
251927399410,39cyclictest2990489-21latency_hist22:43:527
2519268994133,6cyclictest2847308-21kworker/u16:1+flush-8:021:43:525
25100332394,29sleep70-21swapper/718:59:047
2519263993533,2cyclictest2696156-21kworker/u16:1+events_unbound21:19:174
2519273993428,5cyclictest650-21systemd-journal23:28:517
2519268993432,2cyclictest3071645-21kworker/u16:3+flush-8:023:29:175
2519268993431,2cyclictest2752758-21kworker/u16:3+events_unbound21:29:075
2519268993431,2cyclictest2752758-21kworker/u16:3+events_unbound21:29:075
2519263993432,2cyclictest2752758-21kworker/u16:3+events_unbound21:24:184
2519263993331,2cyclictest2714197-21kworker/u16:2+flush-8:022:39:134
2519272993027,2cyclictest2490512-21kworker/u16:1+flush-8:019:19:106
2519272993027,2cyclictest2490512-21kworker/u16:1+flush-8:019:19:106
2519268993028,2cyclictest2999576-21kworker/u16:1+flush-8:023:08:525
2519273992928,0cyclictest0-21swapper/723:29:497
2519268992927,2cyclictest2990193-21kworker/u16:0+events_unbound00:24:055
2519273992822,5cyclictest650-21systemd-journal20:33:537
2519268992824,3cyclictest2847308-21kworker/u16:1+flush-8:022:19:095
30611072270,1chrt3061105-21ssh23:12:187
2519263992725,2cyclictest3071645-21kworker/u16:3+events_unbound23:24:154
2519263992725,2cyclictest2776253-21kworker/u16:0+events_unbound21:29:094
2519263992725,2cyclictest2776253-21kworker/u16:0+events_unbound21:29:094
2519273992522,2cyclictest2811881-21munin-run21:28:527
2519268992523,2cyclictest2570389-21kworker/u16:3+flush-8:019:49:185
2519263992522,2cyclictest2714197-21kworker/u16:2+events_unbound21:59:154
2519268992420,3cyclictest2696156-21kworker/u16:1+flush-8:020:44:095
2519263992421,2cyclictest2647545-21kworker/u16:4+events_unbound20:19:074
2519273992322,0cyclictest0-21swapper/721:53:587
2519272992321,2cyclictest2776253-21kworker/u16:0+events_unbound21:39:196
2519263992322,1cyclictest2966996-21kworker/u16:5+events_unbound22:34:124
2519273992221,0cyclictest0-21swapper/723:54:347
2519273992220,1cyclictest0-21swapper/722:54:047
2519273992220,1cyclictest0-21swapper/700:04:087
2519263992220,2cyclictest2990193-21kworker/u16:0+flush-8:023:48:524
2519263992220,2cyclictest2990193-21kworker/u16:0+events_unbound23:14:134
2519263992219,2cyclictest2990193-21kworker/u16:0+events_unbound23:29:054
2519273992120,0cyclictest0-21swapper/721:02:117
2519272992119,2cyclictest2714197-21kworker/u16:2+flush-8:021:44:186
2519268992119,2cyclictest2776253-21kworker/u16:0+events_unbound22:14:065
2519268992119,2cyclictest2776253-21kworker/u16:0+events_unbound22:14:065
2519263992119,2cyclictest2666313-21kworker/u16:2+events_unbound20:24:084
2519273992019,0cyclictest0-21swapper/721:39:407
2519273992019,0cyclictest0-21swapper/719:47:127
2519273992019,0cyclictest0-21swapper/719:42:487
2519273992018,1cyclictest2915997-21ssh22:09:177
2519273992018,1cyclictest2915997-21ssh22:09:177
2519263992018,2cyclictest2999576-21kworker/u16:1+events_unbound22:54:084
2519263992018,2cyclictest2637846-21kworker/u16:1+flush-8:020:14:224
2519263992018,2cyclictest1660125-21kworker/u16:0+events_unbound19:09:094
2519263992017,2cyclictest2999576-21kworker/u16:1+events_unbound23:09:034
2519263992017,2cyclictest2490512-21kworker/u16:1+flush-8:019:14:074
2519273991918,0cyclictest0-21swapper/720:25:247
2519273991918,0cyclictest0-21swapper/719:10:127
2519273991913,5cyclictest2954562-21latency_hist22:28:527
2519263991917,2cyclictest2696156-21kworker/u16:1+events_unbound20:54:184
2519273991818,0cyclictest0-21swapper/723:19:407
2519273991817,0cyclictest0-21swapper/719:49:567
2519273991816,1cyclictest0-21swapper/721:04:187
2519273991813,4cyclictest2580280-21latency_hist19:33:537
2519272991816,2cyclictest2990193-21kworker/u16:0+events_unbound23:54:076
2519268991815,2cyclictest2976190-21kworker/u16:6+events_unbound22:49:055
2519268991815,2cyclictest2976190-21kworker/u16:6+events_unbound22:49:055
2519263991816,2cyclictest3097748-21kworker/u16:4+flush-8:023:34:234
251927399177,8cyclictest0-21swapper/722:44:147
2519273991715,1cyclictest0-21swapper/721:44:167
251927399170,16cyclictest1267-21snmpd21:11:467
2519272991715,2cyclictest2859468-21kworker/u16:5+events_unbound21:54:066
2519272991715,2cyclictest2776253-21kworker/u16:0+flush-8:022:15:046
2519272991715,2cyclictest2776253-21kworker/u16:0+flush-8:022:15:046
2519272991714,3cyclictest2990193-21kworker/u16:0+flush-8:023:19:066
2519272991713,3cyclictest2752758-21kworker/u16:3+events_unbound21:34:066
2519263991715,2cyclictest2647545-21kworker/u16:4+events_unbound20:49:074
2519263991714,2cyclictest2592509-21kworker/u16:2+events_unbound20:04:064
2519263991714,2cyclictest2592509-21kworker/u16:2+events_unbound20:04:064
251927399168,7cyclictest0-21swapper/721:59:147
251927399167,7cyclictest0-21swapper/723:14:057
2519273991615,0cyclictest0-21swapper/720:04:407
2519273991615,0cyclictest0-21swapper/720:04:407
2519272991614,1cyclictest0-21swapper/619:09:106
2519272991613,2cyclictest2990193-21kworker/u16:0+events_unbound00:19:206
2519263991614,2cyclictest2941469-21kworker/u16:3+events_unbound22:24:144
2519263991614,2cyclictest1660125-21kworker/u16:0+flush-8:019:39:084
251927399157,7cyclictest0-21swapper/723:39:097
251927399157,7cyclictest0-21swapper/722:29:137
251927399156,8cyclictest0-21swapper/722:14:167
251927399156,8cyclictest0-21swapper/722:14:167
251927399156,7cyclictest0-21swapper/700:29:127
2519273991514,0cyclictest0-21swapper/719:18:327
251927399150,13cyclictest902-21dbus-daemon19:24:147
2519272991512,2cyclictest2776253-21kworker/u16:0+flush-8:021:29:106
2519272991512,2cyclictest2776253-21kworker/u16:0+flush-8:021:29:106
251926899150,1cyclictest0-21swapper/523:19:145
2519263991512,2cyclictest2990193-21kworker/u16:0+events_unbound00:14:094
251927399147,6cyclictest0-21swapper/723:36:457
251927399146,7cyclictest0-21swapper/722:59:117
251927399146,7cyclictest0-21swapper/722:04:157
251927399146,7cyclictest0-21swapper/721:19:117
251927399146,7cyclictest0-21swapper/721:14:117
251927399145,8cyclictest0-21swapper/721:53:447
251927399144,9cyclictest3204971-21awk00:13:517
251927399144,8cyclictest0-21swapper/723:44:127
2519273991414,0cyclictest0-21swapper/723:04:297
251927399141,3cyclictest2560217-21ntpq19:19:187
251927399141,3cyclictest2560217-21ntpq19:19:187
251927399141,11cyclictest958-21gmain19:34:067
251927399140,1cyclictest0-21swapper/700:19:167
251927399140,12cyclictest0-21swapper/719:04:177
2519272991412,2cyclictest3157779-21kworker/u16:5+events_unbound23:59:066
2519272991412,2cyclictest2647545-21kworker/u16:4+events_unbound20:49:156
251927299140,1cyclictest0-21swapper/622:37:456
251927299140,1cyclictest0-21swapper/620:04:216
251927299140,1cyclictest0-21swapper/620:04:216
251927299140,14cyclictest0-21swapper/621:20:486
251927299140,14cyclictest0-21swapper/621:06:186
251927299140,14cyclictest0-21swapper/600:05:436
2519268991413,1cyclictest0-21swapper/523:44:275
2519268991413,1cyclictest0-21swapper/523:15:465
2519268991413,1cyclictest0-21swapper/522:35:245
2519268991412,2cyclictest3097748-21kworker/u16:4+events_unbound00:19:165
2519268991410,3cyclictest2591205-21irqcore19:39:075
251926899140,1cyclictest0-21swapper/521:50:475
251926899140,14cyclictest0-21swapper/523:59:355
251926899140,14cyclictest0-21swapper/523:50:085
251926899140,14cyclictest0-21swapper/523:26:105
251926899140,14cyclictest0-21swapper/500:07:095
2519263991413,1cyclictest0-21swapper/421:36:164
2519263991412,2cyclictest2847308-21kworker/u16:1+flush-8:022:04:134
2519263991412,2cyclictest2847308-21kworker/u16:1+events_unbound21:54:204
2519263991412,2cyclictest2714197-21kworker/u16:2+events_unbound22:19:054
2519263991412,2cyclictest2490512-21kworker/u16:1+events_unbound19:04:184
2519263991411,2cyclictest3097748-21kworker/u16:4+events_unbound00:19:044
2519263991410,3cyclictest2658329-21kworker/u16:0+flush-8:020:34:114
251926399140,14cyclictest0-21swapper/422:16:094
251926399140,14cyclictest0-21swapper/422:16:094
251926399140,13cyclictest0-21swapper/421:49:024
251927399139,3cyclictest6344-21gmain20:44:057
251927399139,3cyclictest3230480-21ssh00:24:077
251927399139,3cyclictest1267-21snmpd21:37:137
251927399139,3cyclictest1267-21snmpd20:53:457
251927399139,3cyclictest1267-21snmpd20:34:007
251927399136,6cyclictest0-21swapper/722:49:017
251927399136,6cyclictest0-21swapper/722:49:017
251927399136,6cyclictest0-21swapper/721:28:577
251927399136,6cyclictest0-21swapper/721:28:577
251927399136,6cyclictest0-21swapper/700:15:497
251927399135,7cyclictest0-21swapper/722:19:137
2519273991312,0cyclictest0-21swapper/720:58:187
2519273991312,0cyclictest0-21swapper/720:14:187
251927399131,11cyclictest0-21swapper/722:34:177
251927399130,11cyclictest2713122-21ntpq20:39:157
251927299138,4cyclictest3206257-21cat00:14:096
2519272991312,1cyclictest0-21swapper/622:59:026
2519272991312,1cyclictest0-21swapper/622:32:236
2519272991312,1cyclictest0-21swapper/622:00:136
2519272991312,1cyclictest0-21swapper/600:30:286
2519272991310,2cyclictest3149739-21kthreadcore23:49:106
2519272991310,2cyclictest3058820-21needreboot23:09:116
2519272991310,2cyclictest2592509-21kworker/u16:2+flush-8:019:49:516
251927299130,13cyclictest0-21swapper/623:37:306
251927299130,13cyclictest0-21swapper/622:12:506
251927299130,13cyclictest0-21swapper/622:12:506
251926899138,4cyclictest2884499-21cat21:59:065
2519268991312,1cyclictest0-21swapper/523:55:485
2519268991312,1cyclictest0-21swapper/523:37:125
2519268991312,1cyclictest0-21swapper/522:33:405
2519268991312,1cyclictest0-21swapper/521:18:285
2519268991310,2cyclictest2714197-21kworker/u16:2+events_unbound20:54:065
251926899130,1cyclictest0-21swapper/520:01:415
2519263991312,1cyclictest0-21swapper/423:08:014
2519263991312,1cyclictest0-21swapper/421:39:534
2519263991312,1cyclictest0-21swapper/421:05:124
2519263991311,2cyclictest2752758-21kworker/u16:3+events_unbound21:14:084
2519263991311,2cyclictest2570389-21kworker/u16:3+events_unbound19:29:074
251926399130,1cyclictest0-21swapper/423:55:194
251926399130,13cyclictest0-21swapper/422:32:234
251926399130,13cyclictest0-21swapper/400:12:304
2519273991211,0cyclictest0-21swapper/720:09:097
251927399120,4cyclictest2673655-21kthreadcore20:19:127
251927399120,11cyclictest0-21swapper/719:54:147
251927299128,3cyclictest2743960-21cat20:59:056
2519272991211,1cyclictest0-21swapper/623:33:436
2519272991211,1cyclictest0-21swapper/622:25:176
2519272991211,1cyclictest0-21swapper/621:53:086
2519272991210,2cyclictest3097748-21kworker/u16:4+events_unbound23:44:066
2519272991210,2cyclictest3038216-21kworker/u16:2+flush-8:023:14:156
2519272991210,1cyclictest0-21swapper/622:39:156
2519272991210,1cyclictest0-21swapper/620:44:126
2519272991210,1cyclictest0-21swapper/600:09:176
251927299120,1cyclictest0-21swapper/620:28:096
251926899128,3cyclictest3122842-21cat23:39:065
2519268991211,1cyclictest0-21swapper/521:05:425
2519268991210,2cyclictest2658329-21kworker/u16:0+flush-8:020:34:495
2519268991210,1cyclictest0-21swapper/520:24:125
2519268991210,1cyclictest0-21swapper/519:09:095
2519263991211,1cyclictest0-21swapper/423:59:064
2519263991211,1cyclictest0-21swapper/422:46:444
2519263991211,1cyclictest0-21swapper/422:12:314
2519263991211,1cyclictest0-21swapper/422:12:314
2519263991211,1cyclictest0-21swapper/421:45:244
2519263991210,2cyclictest3097748-21kworker/u16:4+events_unbound23:49:054
2519263991210,2cyclictest2752758-21kworker/u16:3+events_unbound21:09:174
2519263991210,2cyclictest2608928-21kworker/u16:0+flush-8:019:54:134
626589110,0rtkit-daemon0-21swapper/519:30:035
251927399118,2cyclictest1267-21snmpd20:02:237
251927299119,1cyclictest0-21swapper/622:19:136
251927299119,1cyclictest0-21swapper/619:59:206
251927299119,1cyclictest0-21swapper/619:04:126
2519272991110,1cyclictest0-21swapper/623:24:536
2519272991110,1cyclictest0-21swapper/622:05:356
2519272991110,1cyclictest0-21swapper/621:15:276
2519272991110,1cyclictest0-21swapper/620:36:596
251927299110,1cyclictest0-21swapper/620:32:346
251927299110,11cyclictest0-21swapper/620:56:326
251927299110,11cyclictest0-21swapper/620:42:586
251927299110,11cyclictest0-21swapper/620:21:326
251927299110,11cyclictest0-21swapper/619:34:246
251926899119,1cyclictest0-21swapper/522:59:105
251926899119,1cyclictest0-21swapper/521:54:095
251926899119,1cyclictest0-21swapper/521:44:095
251926899119,1cyclictest0-21swapper/521:19:115
251926899119,1cyclictest0-21swapper/519:54:045
251926899119,1cyclictest0-21swapper/519:04:105
251926899119,1cyclictest0-21swapper/500:29:085
251926899116,4cyclictest2648343-21cat20:09:075
2519268991110,1cyclictest0-21swapper/523:10:345
2519268991110,1cyclictest0-21swapper/522:54:575
2519268991110,1cyclictest0-21swapper/520:23:085
251926899110,1cyclictest0-21swapper/520:40:285
251926899110,1cyclictest0-21swapper/519:17:525
251926899110,11cyclictest0-21swapper/519:22:365
251926899110,11cyclictest0-21swapper/519:22:365
251926399119,2cyclictest2999576-21kworker/u16:1+flush-8:022:49:074
251926399119,2cyclictest2999576-21kworker/u16:1+flush-8:022:49:074
251926399119,2cyclictest2608928-21kworker/u16:0+events_unbound19:59:174
251926399119,2cyclictest2490512-21kworker/u16:1+events_unbound19:24:084
2519263991110,1cyclictest0-21swapper/420:29:064
251926399110,11cyclictest0-21swapper/420:47:424
251927299109,1cyclictest0-21swapper/619:40:516
251927299108,1cyclictest0-21swapper/623:04:096
251927299108,1cyclictest0-21swapper/622:54:106
251927299108,1cyclictest0-21swapper/622:49:106
251927299108,1cyclictest0-21swapper/622:49:106
251927299108,1cyclictest0-21swapper/622:44:116
251927299108,1cyclictest0-21swapper/621:24:126
251927299108,1cyclictest0-21swapper/621:09:086
251927299108,1cyclictest0-21swapper/619:44:136
251927299108,1cyclictest0-21swapper/619:29:106
251927299108,1cyclictest0-21swapper/619:14:146
251927299107,2cyclictest0-21swapper/620:09:096
251926899109,1cyclictest2999328-21strings22:44:145
251926899109,1cyclictest0-21swapper/522:28:195
251926899108,2cyclictest1660125-21kworker/u16:0+events_unbound19:34:085
251926899108,1cyclictest0-21swapper/522:39:145
251926899108,1cyclictest0-21swapper/522:04:105
251926899108,1cyclictest0-21swapper/521:34:085
251926899108,1cyclictest0-21swapper/521:24:125
251926899108,1cyclictest0-21swapper/520:59:085
251926899108,1cyclictest0-21swapper/520:49:105
251926899108,1cyclictest0-21swapper/520:04:135
251926899108,1cyclictest0-21swapper/520:04:135
251926899108,1cyclictest0-21swapper/519:44:125
251926899108,1cyclictest0-21swapper/500:14:125
251926899108,1cyclictest0-21swapper/500:09:095
251926399109,1cyclictest0-21swapper/423:40:014
251926399109,1cyclictest0-21swapper/423:20:094
251926399109,1cyclictest0-21swapper/420:39:594
251926399109,1cyclictest0-21swapper/419:44:104
251926399109,1cyclictest0-21swapper/400:29:504
25192729998,1cyclictest0-21swapper/619:24:086
25192729997,1cyclictest0-21swapper/623:39:106
25192729997,1cyclictest0-21swapper/620:14:116
25192729997,1cyclictest0-21swapper/619:54:076
25192729997,1cyclictest0-21swapper/600:24:166
25192689998,1cyclictest0-21swapper/520:29:365
25192689997,1cyclictest0-21swapper/522:09:105
25192689997,1cyclictest0-21swapper/522:09:105
25192689997,1cyclictest0-21swapper/521:09:065
25192689997,1cyclictest0-21swapper/520:14:115
25192639998,1cyclictest0-21swapper/400:25:444
25192639995,3cyclictest2613088-21kthreadcore19:49:134
25192689987,1cyclictest0-21swapper/519:27:195
25192639987,1cyclictest0-21swapper/421:03:194
25192639987,1cyclictest0-21swapper/419:19:444
25192639987,1cyclictest0-21swapper/419:19:444
25192639983,4cyclictest3182028-21cat00:04:044
25192639983,4cyclictest2581539-21sed19:34:084
25192639974,2cyclictest3028554-21kthreadcore22:59:094
25192639973,3cyclictest2650415-21cut20:09:104
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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