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2026-03-31 - 01:54
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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 Mar 31, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
398150721010,1sleep60-21swapper/622:52:446
38813022970,1sleep50-21swapper/522:08:125
36573162960,0sleep60-21swapper/620:32:456
35110712650,1sleep73511073-21kthreadcore19:13:067
3481638995048,2cyclictest3471875-21kworker/u16:1+events_unbound19:13:156
348112224535,7sleep40-21swapper/418:59:414
626589420,36rtkit-daemon0-21swapper/619:01:506
3481638994240,2cyclictest3978849-21kworker/u16:1+events_unbound23:25:486
3481629994240,2cyclictest3848029-21kworker/u16:0+flush-8:022:02:454
3481638993937,2cyclictest3861120-21kworker/u16:3+flush-8:022:37:456
3481638993937,2cyclictest3695455-21kworker/u16:3+events_unbound21:15:596
34811142393,31sleep70-21swapper/718:59:367
3481639993834,2cyclictest3638223-21munin-run20:22:457
348163999380,37cyclictest650-21systemd-journal23:12:397
3481638993836,2cyclictest4162361-21kworker/u16:0+events_unbound00:27:266
3481638993836,2cyclictest3956971-21kworker/u16:0+events_unbound23:14:036
3481638993836,2cyclictest3763212-21kworker/u16:0+events_unbound21:39:066
3481638993836,2cyclictest3763212-21kworker/u16:0+events_unbound21:39:066
3481638993836,2cyclictest3695455-21kworker/u16:3+events_unbound21:20:156
3481638993835,2cyclictest3861120-21kworker/u16:3+events_unbound22:27:466
3481634993833,5cyclictest3978849-21kworker/u16:1+flush-8:023:02:445
3481634993833,5cyclictest3978849-21kworker/u16:1+flush-8:023:02:445
348113223826,8sleep50-21swapper/518:59:505
3481639993732,4cyclictest3884307-21latency_hist22:12:447
3481638993735,2cyclictest3861120-21kworker/u16:3+events_unbound22:12:006
3481638993735,2cyclictest3419176-21kworker/u16:0+flush-8:019:18:096
3481634993734,2cyclictest4126698-21kworker/u16:3+flush-8:000:03:425
3481639993632,3cyclictest650-21systemd-journal22:47:407
3481638993634,2cyclictest4078544-21kworker/u16:4+events_unbound00:11:156
3481638993634,2cyclictest4078544-21kworker/u16:4+events_unbound00:06:186
3481638993634,2cyclictest3956971-21kworker/u16:0+events_unbound23:40:386
3481638993634,2cyclictest3695455-21kworker/u16:3+events_unbound21:03:566
3481638993634,2cyclictest3590862-21kworker/u16:1+events_unbound21:10:526
3481638993634,2cyclictest3590862-21kworker/u16:1+events_unbound20:52:126
3481638993533,2cyclictest4126698-21kworker/u16:3+events_unbound00:32:216
3481638993533,2cyclictest4078544-21kworker/u16:4+events_unbound23:56:066
3481638993533,2cyclictest3956971-21kworker/u16:0+events_unbound23:46:086
3481638993533,2cyclictest3861120-21kworker/u16:3+events_unbound22:58:486
3481638993533,2cyclictest3861120-21kworker/u16:3+events_unbound22:58:486
3481638993533,2cyclictest3570529-21kworker/u16:3+events_unbound20:02:126
3481638993533,2cyclictest3523906-21kworker/u16:4+events_unbound19:54:096
3481629993532,2cyclictest3861120-21kworker/u16:3+events_unbound22:22:594
3481638993432,2cyclictest3981522-21kworker/u16:4+events_unbound22:57:186
3481638993432,2cyclictest3978849-21kworker/u16:1+events_unbound23:20:226
3481638993432,2cyclictest3956971-21kworker/u16:0+events_unbound23:36:376
3481638993432,2cyclictest3929585-21kworker/u16:1+events_unbound22:39:066
3481638993432,2cyclictest3906613-21kworker/u16:2+events_unbound22:45:216
3481638993432,2cyclictest3763212-21kworker/u16:0+events_unbound21:33:306
3481638993432,2cyclictest3590862-21kworker/u16:1+events_unbound22:19:206
3481638993432,2cyclictest3590862-21kworker/u16:1+events_unbound22:19:206
3481638993432,2cyclictest3570529-21kworker/u16:3+events_unbound20:06:566
3481638993331,2cyclictest3978849-21kworker/u16:1+events_unbound23:06:066
3481638993331,2cyclictest3978849-21kworker/u16:1+events_unbound23:06:066
3481638993331,2cyclictest3570529-21kworker/u16:3+events_unbound20:19:596
3481638993330,2cyclictest3848029-21kworker/u16:0+events_unbound22:22:536
3481629993330,2cyclictest3823843-21kworker/u16:3+flush-8:021:52:554
3481638993230,2cyclictest4017991-21kworker/u16:2+events_unbound23:09:536
3481638993230,2cyclictest3848029-21kworker/u16:0+events_unbound21:59:226
3481638993230,2cyclictest3749293-21kworker/u16:2+events_unbound21:45:026
3481638993230,2cyclictest3590862-21kworker/u16:1+events_unbound21:24:076
3481638993129,2cyclictest4162361-21kworker/u16:0+events_unbound00:20:246
3481638993129,2cyclictest4126698-21kworker/u16:3+flush-8:023:58:206
3481638993129,2cyclictest3848029-21kworker/u16:0+events_unbound22:05:376
3481638993129,2cyclictest3763212-21kworker/u16:0+flush-8:021:28:236
3481634993128,2cyclictest3419176-21kworker/u16:0+events_unbound19:07:475
3481639993029,0cyclictest0-21swapper/722:54:547
3481639993029,0cyclictest0-21swapper/721:21:037
3481639993025,4cyclictest650-21systemd-journal22:22:447
3481639993025,4cyclictest650-21systemd-journal22:22:447
3481638993028,2cyclictest4162361-21kworker/u16:0+events_unbound00:14:186
3481638993028,2cyclictest3619475-21kworker/u16:2+events_unbound20:14:236
3481638993028,2cyclictest3590862-21kworker/u16:1+events_unbound21:50:226
3481638993028,2cyclictest3419176-21kworker/u16:0+events_unbound19:10:566
3481639992929,0cyclictest0-21swapper/700:00:187
3481639992928,0cyclictest0-21swapper/719:39:287
3481638992927,2cyclictest3956971-21kworker/u16:0+events_unbound23:28:586
3481638992927,2cyclictest3619475-21kworker/u16:2+events_unbound20:25:006
3481638992927,2cyclictest3419176-21kworker/u16:0+events_unbound19:37:236
3481639992827,0cyclictest0-21swapper/723:48:427
3481638992826,2cyclictest3590862-21kworker/u16:1+events_unbound20:57:366
3481638992826,2cyclictest3523906-21kworker/u16:4+flush-8:019:42:406
3481638992826,2cyclictest3481832-21kworker/u16:2+events_unbound19:04:376
3481638992826,2cyclictest3471875-21kworker/u16:1+events_unbound19:30:236
3481638992826,2cyclictest3471875-21kworker/u16:1+events_unbound19:30:236
3481629992827,1cyclictest3981522-21kworker/u16:4+events_unbound22:55:194
3481629992826,2cyclictest3695455-21kworker/u16:3+flush-8:020:53:174
3481629992825,2cyclictest3523906-21kworker/u16:4+flush-8:019:23:004
3481638992725,2cyclictest3848029-21kworker/u16:0+events_unbound22:15:496
3481638992725,2cyclictest3823843-21kworker/u16:3+flush-8:021:53:436
3481639992626,0cyclictest0-21swapper/722:07:347
3481639992625,0cyclictest0-21swapper/720:59:007
3481639992625,0cyclictest0-21swapper/720:46:167
3481639992625,0cyclictest0-21swapper/720:40:367
3481639992625,0cyclictest0-21swapper/720:13:127
3481639992625,0cyclictest0-21swapper/720:08:337
3481639992625,0cyclictest0-21swapper/720:00:117
3481639992625,0cyclictest0-21swapper/719:24:137
3481639992624,1cyclictest4136551-21ssh23:53:437
3481639992612,13cyclictest0-21swapper/719:48:107
3481638992624,2cyclictest3705401-21kworker/u16:0+events_unbound21:00:406
3481638992624,2cyclictest3657438-21kworker/u16:0+flush-8:020:43:286
3481638992624,2cyclictest3523906-21kworker/u16:4+events_unbound19:51:396
3481638992624,2cyclictest3523906-21kworker/u16:4+events_unbound19:45:456
3481638992623,2cyclictest3419176-21kworker/u16:0+events_unbound19:22:536
3481639992525,0cyclictest0-21swapper/722:27:177
3481639992524,0cyclictest0-21swapper/719:56:597
3481639992524,0cyclictest0-21swapper/700:15:017
3481638992523,2cyclictest3657438-21kworker/u16:0+events_unbound20:37:016
37869052240,1chrt3786903-21ssh21:31:527
3481639992423,0cyclictest0-21swapper/719:21:337
3481638992422,2cyclictest4017991-21kworker/u16:2+events_unbound23:51:506
3481634992421,3cyclictest4126698-21kworker/u16:3+flush-8:000:13:125
3481629992421,2cyclictest4078544-21kworker/u16:4+events_unbound00:07:594
39794842230,1chrt0-21swapper/522:49:475
3481639992221,0cyclictest0-21swapper/720:54:197
3481639992221,0cyclictest0-21swapper/719:10:097
3481638992220,2cyclictest3590862-21kworker/u16:1+events_unbound20:41:476
3481638992219,2cyclictest3570529-21kworker/u16:3+events_unbound20:07:486
3481639992120,0cyclictest0-21swapper/723:43:037
3481639992120,0cyclictest0-21swapper/720:03:017
3481639992116,4cyclictest17929-21latency_hist00:27:447
3481634992119,2cyclictest3657438-21kworker/u16:0+flush-8:020:33:115
3481629992119,2cyclictest3956971-21kworker/u16:0+events_unbound23:18:114
3481629992118,2cyclictest3861120-21kworker/u16:3+flush-8:022:42:234
3481639992020,0cyclictest0-21swapper/719:30:197
3481639992020,0cyclictest0-21swapper/719:30:197
3481639992018,1cyclictest3953697-21ssh22:38:077
3481639991919,0cyclictest0-21swapper/723:33:257
3481639991918,0cyclictest0-21swapper/720:48:477
3481639991918,0cyclictest0-21swapper/720:24:337
348163999180,17cyclictest0-21swapper/722:58:117
348163999180,17cyclictest0-21swapper/722:58:117
348163999180,16cyclictest3845611-21ssh21:53:307
3481629991816,2cyclictest3749293-21kworker/u16:2+flush-8:021:43:094
348163999176,10cyclictest0-21swapper/722:33:137
3481639991717,0cyclictest0-21swapper/723:40:287
3481639991716,0cyclictest0-21swapper/719:42:567
3481634991715,1cyclictest0-21swapper/520:03:075
348163499170,17cyclictest0-21swapper/521:21:095
3481629991716,1cyclictest3906613-21kworker/u16:2+events_unbound22:21:524
3481629991716,1cyclictest3906613-21kworker/u16:2+events_unbound22:21:524
348162999170,3cyclictest3602309-21kthreadcore20:03:024
348163999168,7cyclictest0-21swapper/723:23:027
348163999168,7cyclictest0-21swapper/722:28:097
348163999167,8cyclictest0-21swapper/721:33:057
3481639991616,0cyclictest0-21swapper/721:58:337
3481639991615,1cyclictest22986-21ssh00:28:057
3481639991614,1cyclictest0-21swapper/721:48:067
3481629991613,2cyclictest3642882-21cut20:23:044
3481629991612,3cyclictest4095902-21kthreadcore23:38:054
348163999157,7cyclictest0-21swapper/723:03:067
348163999157,7cyclictest0-21swapper/723:03:067
348163999156,8cyclictest0-21swapper/721:03:047
348163999156,7cyclictest0-21swapper/723:28:097
348163999156,7cyclictest0-21swapper/723:13:057
348163999155,9cyclictest0-21swapper/700:03:027
3481639991510,4cyclictest2239-21ssh00:18:067
348163999150,14cyclictest1267-21snmpd21:41:117
348163999150,14cyclictest1267-21snmpd21:41:117
348163499150,15cyclictest0-21swapper/522:39:115
348163499150,15cyclictest0-21swapper/522:22:385
348163499150,15cyclictest0-21swapper/522:22:385
3481629991513,2cyclictest3695455-21kworker/u16:3+events_unbound21:13:114
3481629991512,2cyclictest3570529-21kworker/u16:3+flush-8:020:13:074
348162999150,6cyclictest0-21swapper/423:08:004
348163999147,6cyclictest0-21swapper/722:12:457
348163999146,7cyclictest0-21swapper/721:42:457
348163999146,7cyclictest0-21swapper/721:08:037
348163999146,7cyclictest0-21swapper/720:33:227
3481639991413,0cyclictest0-21swapper/720:27:557
3481639991413,0cyclictest0-21swapper/719:05:557
348163999140,12cyclictest3550082-21cut19:33:067
3481634991413,1cyclictest0-21swapper/523:27:075
3481634991413,1cyclictest0-21swapper/523:07:245
3481634991413,1cyclictest0-21swapper/523:07:245
3481634991413,1cyclictest0-21swapper/521:17:125
3481634991412,2cyclictest0-21swapper/520:43:005
3481634991411,2cyclictest3766642-21grep21:23:025
348163499140,2cyclictest0-21swapper/521:37:045
348163499140,14cyclictest0-21swapper/522:01:495
348163499140,14cyclictest0-21swapper/500:25:085
348163499140,14cyclictest0-21swapper/500:11:345
3481629991413,1cyclictest0-21swapper/423:27:214
3481629991413,1cyclictest0-21swapper/423:03:144
3481629991413,1cyclictest0-21swapper/423:03:144
3481629991413,1cyclictest0-21swapper/422:58:494
3481629991413,1cyclictest0-21swapper/422:58:494
3481629991413,1cyclictest0-21swapper/421:31:484
3481629991412,2cyclictest3956971-21kworker/u16:0+flush-8:023:43:004
3481629991412,2cyclictest3956971-21kworker/u16:0+events_unbound23:48:114
3481629991411,2cyclictest3977358-21grep22:48:064
348162999140,1cyclictest0-21swapper/423:16:294
348162999140,1cyclictest0-21swapper/419:18:064
348162999140,14cyclictest0-21swapper/422:29:204
348162999140,14cyclictest0-21swapper/421:41:444
348162999140,14cyclictest0-21swapper/421:41:444
348162999140,14cyclictest0-21swapper/400:07:054
348163999136,6cyclictest0-21swapper/721:23:047
348163999136,6cyclictest0-21swapper/700:08:057
348163999135,7cyclictest0-21swapper/722:48:137
348163999131,2cyclictest4049573-21ssh23:18:067
348163999130,1cyclictest0-21swapper/721:13:107
3481634991312,1cyclictest0-21swapper/523:50:555
3481634991312,1cyclictest0-21swapper/521:49:035
3481634991312,1cyclictest0-21swapper/521:38:585
3481634991312,1cyclictest0-21swapper/521:38:585
3481634991312,1cyclictest0-21swapper/520:26:555
3481634991312,1cyclictest0-21swapper/520:18:535
3481634991311,2cyclictest0-21swapper/523:18:175
3481634991311,2cyclictest0-21swapper/522:54:105
348163499130,13cyclictest0-21swapper/521:29:025
348163499130,0cyclictest0-21swapper/523:11:495
348163499130,0cyclictest0-21swapper/521:05:235
348163499130,0cyclictest0-21swapper/519:33:285
348162999139,3cyclictest3929585-21kworker/u16:1+flush-8:022:33:024
348162999139,3cyclictest3861120-21kworker/u16:3+flush-8:022:43:034
3481629991312,1cyclictest0-21swapper/422:10:444
3481629991312,1cyclictest0-21swapper/421:49:464
3481629991312,1cyclictest0-21swapper/400:16:044
3481629991312,1cyclictest0-21swapper/400:02:314
3481629991311,2cyclictest3590862-21kworker/u16:1+flush-8:021:18:104
348162999130,13cyclictest0-21swapper/421:04:124
348162999130,12cyclictest0-21swapper/422:12:474
348163499129,3cyclictest0-21swapper/521:47:005
348163499129,2cyclictest3728475-21kthreadcore21:08:045
348163499124,1cyclictest681rcuog/419:43:005
3481634991211,1cyclictest0-21swapper/523:42:155
3481634991211,1cyclictest0-21swapper/522:32:535
3481634991211,1cyclictest0-21swapper/520:59:145
3481634991211,1cyclictest0-21swapper/520:53:055
3481634991211,1cyclictest0-21swapper/519:56:295
3481634991211,1cyclictest0-21swapper/519:14:245
348163499120,1cyclictest0-21swapper/519:23:515
348163499120,12cyclictest0-21swapper/519:31:065
348163499120,12cyclictest0-21swapper/519:31:065
348162999129,2cyclictest3657438-21kworker/u16:0+flush-8:020:47:494
348162999128,3cyclictest4188540-21cat00:17:594
348162999128,3cyclictest3668013-21cat20:37:594
3481629991211,1cyclictest0-21swapper/422:06:384
3481629991211,1cyclictest0-21swapper/419:40:114
348163499116,4cyclictest0-21swapper/520:08:035
348163499115,1cyclictest0-21swapper/521:53:105
348163499115,1cyclictest0-21swapper/519:57:575
348163499114,2cyclictest4133647-21kthreadcore23:53:055
348163499113,4cyclictest4104400-21cat23:43:015
348163499113,3cyclictest3921312-21tr22:27:585
348163499113,3cyclictest18815-21expr00:27:585
348163499113,2cyclictest4036735-21kthreadcore23:13:025
348163499113,2cyclictest3909233-21cpuspeed_turbos22:22:575
348163499112,4cyclictest4071832-21kthreadcore23:28:055
348163499112,4cyclictest3961081-21kthreadcore22:43:035
348163499112,3cyclictest4080928-21cut23:33:025
3481634991110,1cyclictest0-21swapper/520:16:405
3481634991110,1cyclictest0-21swapper/500:02:265
348163499110,4cyclictest3552636-21cat19:37:585
348162999118,2cyclictest4078544-21kworker/u16:4+flush-8:023:33:234
3481629991110,1cyclictest0-21swapper/421:35:444
3481629991110,1cyclictest0-21swapper/421:12:054
3481629991110,1cyclictest0-21swapper/420:09:494
3481629991110,1cyclictest0-21swapper/400:27:254
348162999110,11cyclictest0-21swapper/421:00:064
348162999110,11cyclictest0-21swapper/419:49:294
348163499105,1cyclictest0-21swapper/522:03:075
348163499102,3cyclictest4191771-21cut00:18:035
348163499102,3cyclictest3653528-21kthreadcore20:28:055
348163499102,3cyclictest3484102-21kthreadcore19:03:025
348163499100,4cyclictest3886054-21ps22:13:015
348163499100,4cyclictest3691536-21kthreadcore20:48:045
348163499100,4cyclictest3667882-21fschecks_time20:37:585
348163499100,4cyclictest3572719-21ps19:48:025
348162999109,1cyclictest0-21swapper/420:47:394
348162999107,2cyclictest3595469-21kthreadcore19:58:044
348162999100,10cyclictest0-21swapper/419:15:454
34816299998,1cyclictest0-21swapper/423:55:354
34816299998,1cyclictest0-21swapper/420:37:244
34816299996,2cyclictest3637350-21pmu-power20:18:124
34816299990,8cyclictest0-21swapper/419:07:484
34816299990,2cyclictest0-21swapper/419:53:054
34816349987,1cyclictest0-21swapper/519:21:295
34816299987,1cyclictest0-21swapper/423:31:374
34816299987,1cyclictest0-21swapper/421:25:484
34816299987,1cyclictest0-21swapper/419:30:154
34816299987,1cyclictest0-21swapper/419:30:154
34816299985,2cyclictest3523906-21kworker/u16:4+flush-8:019:43:014
34816299984,3cyclictest3549612-21kthreadcore19:33:054
34816299980,3cyclictest219082kthreadcore00:28:044
34816299972,4cyclictest3650593-21cut20:28:034
34816299972,4cyclictest3481991-21expr19:02:574
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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