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2026-08-27 - 23:02
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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
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Thu Aug 27, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
415587921020,2sleep30-21swapper/311:50:023
40853352930,3sleep30-21swapper/311:10:013
41029202370,4sleep14102887-21dump-pmu-power11:20:011
38931342360,2sleep30-21swapper/309:23:173
289202330,1sleep10-21swapper/112:29:571
3706635993114,5cyclictest4067978-21grep11:00:020
39634702270,9sleep10-21swapper/110:01:321
3706635992515,6cyclictest4185062-21/usr/sbin/munin12:10:020
3706635992513,5cyclictest4177072-21uniq12:04:520
3706635992510,5cyclictest3926974-21systemd-run09:40:020
3706635992313,3cyclictest24617-21JS14:54:060
3706636992215,3cyclictest4151348-21kthreadcore11:49:561
370663599228,7cyclictest0-21swapper/010:30:020
3706635992213,4cyclictest862-21gmain09:23:430
3706635992113,4cyclictest778-21dbus-daemon12:35:020
3706636992017,2cyclictest975-21in:imuxsock09:23:101
370663599209,7cyclictest3903668-21cstates09:29:520
370663599201,3cyclictest4132248-21apt-get11:39:330
3706635992011,5cyclictest4123818-21cpuspeed_turbos11:34:510
2213291200,2phc2sys0-21swapper/310:44:563
39711202190,2sleep30-21swapper/310:05:033
3706640991916,1cyclictest0-21swapper/211:15:032
3706636991916,2cyclictest3983983-21kthreadcore10:14:551
370663599199,6cyclictest3706634-21cyclictest11:45:410
3706635991914,4cyclictest24617-21JS14:54:060
3706635991913,5cyclictest4100388-21kthreadcore11:19:580
3706635991913,2cyclictest491rcuog/209:34:570
3706635991910,5cyclictest4173274-21/usr/sbin/munin12:00:000
2213291191,3phc2sys0-21swapper/311:13:103
2213291190,2phc2sys0-21swapper/311:04:093
3706640991813,3cyclictest0-21swapper/207:19:092
370663599188,2cyclictest0-21swapper/011:00:060
370663599187,6cyclictest0-21swapper/010:49:450
3706635991815,2cyclictest778-21dbus-daemon07:35:010
3706635991815,2cyclictest1227-21sshd10:18:300
3706635991812,5cyclictest50519-21systemd12:40:020
370663599181,12cyclictest0-21swapper/010:50:280
2213291180,2phc2sys0-21swapper/309:11:403
3706640991715,1cyclictest0-21swapper/210:40:012
3706640991715,1cyclictest0-21swapper/210:40:012
370664099170,13cyclictest41498082sleep211:49:342
370663699179,3cyclictest3946602-21runrttasks09:53:051
370663699172,7cyclictest0-21swapper/110:09:351
3706636991714,2cyclictest4164458-21ls11:55:011
3706636991714,2cyclictest4012903-21kthreadcore10:30:011
3706636991714,2cyclictest3825222-21latency_hist08:35:021
3706636991713,3cyclictest4086243-21kworker/u16:2+nfsiod11:33:271
3706636991713,3cyclictest3941297-21kthreadcore09:49:581
370663599179,2cyclictest0-21swapper/010:24:340
370663599178,8cyclictest24617-21JS14:54:060
370663599175,2cyclictest0-21swapper/009:54:020
370663599174,2cyclictest491rcuog/211:54:350
3706635991714,2cyclictest813-21systemd-logind10:05:010
3706635991714,2cyclictest778-21dbus-daemon08:20:010
3706635991714,2cyclictest3706634-21cyclictest08:59:560
370663599171,11cyclictest0-21swapper/012:19:110
2213291171,5phc2sys0-21swapper/308:39:343
2213291170,4phc2sys0-21swapper/311:44:343
2213291170,2phc2sys0-21swapper/312:00:363
2213291170,2phc2sys0-21swapper/310:57:323
2213291170,1phc2sys0-21swapper/312:30:123
3706640991614,1cyclictest0-21swapper/211:19:572
3706640991613,1cyclictest0-21swapper/212:04:442
3706640991613,1cyclictest0-21swapper/211:06:372
3706640991613,1cyclictest0-21swapper/210:44:552
3706640991613,1cyclictest0-21swapper/209:45:012
3706640991613,1cyclictest0-21swapper/209:33:092
3706640991613,1cyclictest0-21swapper/209:14:592
3706640991613,1cyclictest0-21swapper/207:31:212
3706640991612,2cyclictest0-21swapper/209:23:282
370664099161,1cyclictest0-21swapper/210:04:352
3706636991614,1cyclictest4120609-21cron11:30:011
3706636991613,2cyclictest778-21dbus-daemon08:50:031
3706636991613,2cyclictest376-21systemd-journal07:20:011
370663699161,2cyclictest4041560-21munin-run10:45:021
3706636991612,3cyclictest4137056-21kthreadcore11:39:571
3706636991612,3cyclictest3838661-21pmu-power08:45:001
3706636991612,3cyclictest3799072-21cpuspeed_turbos08:19:511
3706636991612,3cyclictest3755431-21kthreadcore07:44:581
3706636991612,3cyclictest3519396-21kworker/u16:1+nfsiod11:04:121
3706636991612,3cyclictest3450585-21kworker/u16:0+nfsiod11:05:241
3706636991610,4cyclictest3766443-21tr07:54:571
370663699160,8cyclictest4049913-21cron10:50:011
370663599169,6cyclictest24615-21JS14:54:060
370663599168,7cyclictest0-21swapper/010:44:340
370663599168,7cyclictest0-21swapper/010:34:580
3706635991613,2cyclictest3833827-21tail08:44:530
3706635991613,2cyclictest3832175-21grep08:40:030
3706635991613,2cyclictest24472-21rtkit-daemon08:34:490
3706635991612,3cyclictest4051133-21kworker/u16:3+nfsiod11:05:050
3706635991612,3cyclictest3772382-21irqrtprio07:59:550
2213291160,2phc2sys0-21swapper/310:13:093
2213291160,2phc2sys0-21swapper/308:31:593
370664099156,4cyclictest0-21swapper/211:04:332
3706640991513,1cyclictest0-21swapper/208:05:012
3706640991512,1cyclictest0-21swapper/211:44:532
3706640991512,1cyclictest0-21swapper/210:33:052
3706640991512,1cyclictest0-21swapper/210:00:012
3706640991512,1cyclictest0-21swapper/209:52:302
3706640991512,1cyclictest0-21swapper/209:50:022
3706640991512,1cyclictest0-21swapper/209:28:472
3706640991511,2cyclictest0-21swapper/212:00:032
3706640991511,2cyclictest0-21swapper/211:34:552
3706640991511,2cyclictest0-21swapper/207:50:002
370663699159,2cyclictest3202-21kthreadcore12:14:561
3706636991512,2cyclictest4146797-21cron11:45:001
3706636991512,2cyclictest3992683-21kthreadcore10:19:561
3706636991512,2cyclictest3784953-21/usr/sbin/munin08:09:591
3706636991512,2cyclictest24616-21JS14:54:061
3706636991512,2cyclictest24614-21JS14:54:061
3706636991511,3cyclictest777-21avahi-daemon09:44:581
3706636991511,3cyclictest4177491-21irqcore12:04:541
3706636991511,3cyclictest4022636-21kthreadcore10:34:581
3706636991511,3cyclictest3924395-21kthreadcore09:39:571
3706636991511,3cyclictest3856938-21kthreadcore08:59:561
3706636991511,3cyclictest3826284-21aten_repower_fr08:39:411
3706636991511,3cyclictest3814487-21kthreadcore08:29:551
3706636991511,3cyclictest3779912-21kthreadcore08:04:551
3706636991511,3cyclictest3772522-21irqrtprio07:59:551
3706636991511,3cyclictest3763271-21processes07:50:001
3706636991511,3cyclictest3738711-21kthreadcore07:34:561
3706636991511,3cyclictest3733628-21kthreadcore07:29:561
3706636991511,3cyclictest3706634-21cyclictest07:39:551
3706636991511,3cyclictest3519396-21kworker/u16:1+nfsiod10:52:191
3706636991511,3cyclictest3519396-21kworker/u16:1+nfsiod09:16:161
370663599159,5cyclictest3706634-21cyclictest08:02:090
370663599157,2cyclictest0-21swapper/009:44:560
370663599156,4cyclictest0-21swapper/009:49:520
370663599155,6cyclictest0-21swapper/007:16:300
370663599155,2cyclictest0-21swapper/011:44:560
370663599154,6cyclictest0-21swapper/007:14:450
370663599153,7cyclictest0-21swapper/007:29:330
3706635991512,2cyclictest3870350-21kthreadcore09:09:590
3706635991512,2cyclictest3818755-21grep08:30:030
3706635991512,2cyclictest3706818-21unixbench_multi07:10:020
3706635991512,2cyclictest24813-21gsd-housekeepin11:24:230
3706635991512,2cyclictest0-21swapper/009:59:330
3706635991511,3cyclictest3988459-21kworker/u16:2+nfsiod10:35:070
3706635991511,3cyclictest3988459-21kworker/u16:2+nfsiod10:35:070
3706635991511,3cyclictest3976879-21kthreadcore10:09:580
3706635991511,3cyclictest3879106-21kthreadcore09:14:570
3706635991511,3cyclictest3861601-21irqcore09:04:550
3706635991511,3cyclictest3841416-21kthreadcore08:49:550
3706635991511,3cyclictest3761527-21kthreadcore07:49:570
3706635991511,3cyclictest3752848-21kthreadcore07:44:560
3706635991511,3cyclictest3726178-21kthreadcore07:24:570
3706635991511,3cyclictest3202-21kthreadcore12:14:570
3706635991511,3cyclictest17742-21aten_repower_fr12:24:390
3706635991511,3cyclictest14794-21kworker/u16:3+nfsiod12:28:110
2213291154,2phc2sys0-21swapper/309:09:523
2213291151,3phc2sys0-21swapper/312:37:023
2213291151,3phc2sys0-21swapper/311:59:333
2213291150,2phc2sys0-21swapper/312:18:503
2213291150,2phc2sys0-21swapper/311:31:503
2213291150,2phc2sys0-21swapper/309:04:553
370664099149,3cyclictest0-21swapper/210:27:252
370664099141,6cyclictest0-21swapper/210:59:332
3706640991412,1cyclictest0-21swapper/208:50:032
3706640991412,1cyclictest0-21swapper/208:20:022
3706640991411,1cyclictest0-21swapper/212:37:412
3706640991411,1cyclictest0-21swapper/212:17:122
3706640991411,1cyclictest0-21swapper/212:13:202
3706640991411,1cyclictest0-21swapper/212:09:322
3706640991411,1cyclictest0-21swapper/210:53:072
3706640991411,1cyclictest0-21swapper/210:20:062
3706640991411,1cyclictest0-21swapper/210:19:562
3706640991411,1cyclictest0-21swapper/209:20:012
3706640991411,1cyclictest0-21swapper/208:54:512
3706640991411,1cyclictest0-21swapper/208:36:312
3706640991411,1cyclictest0-21swapper/208:29:572
3706640991411,1cyclictest0-21swapper/207:14:562
3706640991410,2cyclictest0-21swapper/212:20:072
370663699147,5cyclictest1011-21gdbus09:15:021
370663699143,5cyclictest0-21swapper/110:39:541
370663699143,5cyclictest0-21swapper/110:39:541
3706636991411,2cyclictest4000924-21fschecks_time10:24:531
3706636991411,2cyclictest3918342-21grep09:35:031
3706636991411,2cyclictest3723998-21gltestperf07:24:541
3706636991411,2cyclictest3707411-21/usr/sbin/munin07:15:011
3706636991411,2cyclictest24615-21JS14:54:061
3706636991411,2cyclictest15495-21unixbench_singl12:20:051
3706636991410,3cyclictest44629-21aten_repower_po12:39:451
3706636991410,3cyclictest4086243-21kworker/u16:2+nfsiod11:13:211
3706636991410,3cyclictest4051133-21kworker/u16:3+nfsiod11:22:241
3706636991410,3cyclictest3958615-21kthreadcore09:59:561
3706636991410,3cyclictest3907156-21kthreadcore09:29:581
3706636991410,3cyclictest3870053-21kthreadcore09:09:581
3706636991410,3cyclictest3861624-21tr09:04:551
3706636991410,3cyclictest3809565-21kthreadcore08:24:571
3706636991410,3cyclictest3792924-21irqcore08:14:561
370663699140,4cyclictest0-21swapper/112:05:141
370663599146,2cyclictest0-21swapper/009:17:380
370663599145,4cyclictest0-21swapper/008:15:010
370663599145,2cyclictest0-21swapper/010:14:470
370663599142,7cyclictest0-21swapper/011:10:140
3706635991410,3cyclictest3767811-21kthreadcore07:54:570
2447398140,4rtkit-daemon798-21mta-sts-daemon12:17:281
2213291141,2phc2sys0-21swapper/312:26:163
2213291140,4phc2sys0-21swapper/309:54:343
2213291140,3phc2sys0-21swapper/312:09:573
2213291140,3phc2sys0-21swapper/311:16:413
2213291140,3phc2sys0-21swapper/307:24:353
2213291140,2phc2sys0-21swapper/311:29:423
2213291140,2phc2sys0-21swapper/310:17:353
2213291140,1phc2sys0-21swapper/309:15:413
370664099139,2cyclictest0-21swapper/210:46:072
3706640991311,1cyclictest0-21swapper/209:09:572
3706640991311,1cyclictest0-21swapper/209:05:022
3706640991311,1cyclictest0-21swapper/208:59:542
3706640991310,1cyclictest0-21swapper/212:25:342
3706640991310,1cyclictest0-21swapper/211:54:562
3706640991310,1cyclictest0-21swapper/211:39:502
3706640991310,1cyclictest0-21swapper/211:30:032
3706640991310,1cyclictest0-21swapper/211:25:022
3706640991310,1cyclictest0-21swapper/210:14:532
3706640991310,1cyclictest0-21swapper/208:45:012
3706640991310,1cyclictest0-21swapper/208:34:512
3706640991310,1cyclictest0-21swapper/208:14:572
3706640991310,1cyclictest0-21swapper/208:09:542
3706640991310,1cyclictest0-21swapper/207:59:572
3706640991310,1cyclictest0-21swapper/207:50:502
3706640991310,1cyclictest0-21swapper/207:44:562
3706640991310,1cyclictest0-21swapper/207:29:402
3706640991310,1cyclictest0-21swapper/207:24:572
370663699139,3cyclictest3450585-21kworker/u16:0+nfsiod11:58:011
3706636991310,2cyclictest3706851-21unixbench_singl07:10:021
370663599139,3cyclictest3788339-21kthreadcore08:09:540
2213291131,7phc2sys0-21swapper/310:09:583
2213291131,4phc2sys0-21swapper/308:24:343
2213291130,2phc2sys0-21swapper/311:38:163
2213291130,2phc2sys0-21swapper/307:09:553
2213291130,1phc2sys0-21swapper/309:44:003
37985532120,4sleep30-21swapper/308:17:013
370664099129,1cyclictest0-21swapper/207:39:552
370664099128,2cyclictest0-21swapper/209:39:342
3706640991210,1cyclictest0-21swapper/212:30:052
3706640991210,1cyclictest0-21swapper/210:09:592
3706640991210,1cyclictest0-21swapper/208:24:572
2213291120,4phc2sys0-21swapper/309:59:343
2213291120,2phc2sys0-21swapper/311:24:313
2213291120,2phc2sys0-21swapper/310:34:553
2213291120,2phc2sys0-21swapper/308:43:373
2213291120,2phc2sys0-21swapper/308:27:463
2213291120,1phc2sys0-21swapper/308:02:103
39365402110,2sleep30-21swapper/309:45:233
2213291112,2phc2sys0-21swapper/312:12:413
2213291110,4phc2sys0-21swapper/307:39:333
2213291110,3phc2sys0-21swapper/307:49:523
2213291110,3phc2sys0-21swapper/307:44:573
2213291110,2phc2sys0-21swapper/310:35:513
2213291110,2phc2sys0-21swapper/310:35:513
2213291110,2phc2sys0-21swapper/310:21:123
2213291110,2phc2sys0-21swapper/307:59:343
2213291110,2phc2sys0-21swapper/307:34:573
2213291110,1phc2sys0-21swapper/310:25:253
2213291110,1phc2sys0-21swapper/307:29:043
40515312100,2sleep30-21swapper/310:51:383
370664099108,1cyclictest0-21swapper/207:10:022
2213291101,4phc2sys0-21swapper/308:49:333
2213291101,2phc2sys0-21swapper/309:30:123
2213291101,2phc2sys0-21swapper/307:14:573
2213291100,2phc2sys0-21swapper/312:20:223
2213291100,2phc2sys0-21swapper/310:46:213
2213291100,2phc2sys0-21swapper/309:35:543
2213291100,2phc2sys0-21swapper/309:26:193
2213291100,1phc2sys0-21swapper/308:53:123
221329190,2phc2sys0-21swapper/311:50:233
221329190,2phc2sys0-21swapper/308:55:053
221329190,2phc2sys0-21swapper/308:14:563
221329190,2phc2sys0-21swapper/308:05:033
221329190,2phc2sys0-21swapper/307:50:043
221329190,1phc2sys0-21swapper/307:17:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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