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2026-08-22 - 14:49
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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 792 highest latencies:
System rackeslot2.osadl.org (updated Sat Aug 22, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78442522420,2sleep30-21swapper/323:40:043
75699021060,2sleep20-21swapper/223:25:032
8915492480,2sleep1891545-21munin-run00:40:021
5300272450,1sleep10-21swapper/121:17:031
5624732280,0sleep0562478-21kthreadcore21:35:060
4615012250,2sleep1461502-21kthreadcore20:30:051
350660992515,6cyclictest813-21systemd-logind22:35:030
350660992514,7cyclictest615891-21kthreadcore22:05:060
350662992411,8cyclictest596024-21kthreadcore21:55:041
350660992414,6cyclictest847620-21kthreadcore00:15:020
350662992320,2cyclictest522752-21cpu21:14:591
350660992314,5cyclictest24617-21JS14:54:060
350662992215,6cyclictest621442-21systemd-run22:10:021
350662992214,7cyclictest711498-21ssh23:00:031
350662992214,7cyclictest458771-21latency_hist20:30:011
6888382210,4sleep1351ktimers/122:45:061
350662992113,7cyclictest501575-21kthreadcore21:00:021
350662992113,7cyclictest417196-21turbostat20:00:011
350662992112,8cyclictest733110-21kthreadcore23:10:061
350662992112,8cyclictest350657-21cyclictest00:05:051
350662992112,8cyclictest1415-21ntpd22:55:021
35066299210,5cyclictest437075-21seq20:11:531
350662992012,7cyclictest665177-21aten_repower_en22:34:461
350662992011,8cyclictest510601-21kthreadcore21:05:041
350662992011,8cyclictest487551-21irqrtprio20:50:041
350662992011,8cyclictest440727-21kthreadcore20:15:061
350662992010,7cyclictest0-21swapper/119:50:021
35066299200,5cyclictest389804-21cat19:40:021
350660992017,2cyclictest350657-21cyclictest23:15:010
350660992011,5cyclictest812602-21kthreadcore23:55:050
350660992011,5cyclictest631827-21kthreadcore22:15:050
35066299199,8cyclictest791807-21irqstats23:45:031
35066299193,9cyclictest719589-21cat23:05:001
35066299193,9cyclictest0-21swapper/100:26:371
350662991912,6cyclictest778-21dbus-daemon20:40:031
350662991911,7cyclictest775515-21kthreadcore23:35:051
350662991911,7cyclictest550859-21irqrtprio21:30:071
350662991911,7cyclictest482430-21kthreadcore20:45:031
350662991911,7cyclictest445566-21tr20:20:041
35066299191,11cyclictest764102-21latency_hist23:30:021
350662991910,8cyclictest801918-21kthreadcore23:50:041
350662991910,8cyclictest721481-21kthreadcore23:05:051
350662991910,8cyclictest623365-21kthreadcore22:10:051
350662991910,8cyclictest504370-21kthreadcore21:00:041
350662991910,8cyclictest377085-21kthreadcore19:30:041
350662991910,8cyclictest364224-21kthreadcore19:20:031
350662991910,8cyclictest362819-21kthreadcore19:20:021
35066099199,6cyclictest667514-21kthreadcore22:35:050
350660991916,2cyclictest24614-21JS14:54:060
350660991913,4cyclictest1-21systemd23:30:030
35066099191,13cyclictest711222-21systemd-run23:00:020
350660991910,5cyclictest728249-21cstates23:09:590
350660991910,5cyclictest529187-21runrttasks21:15:130
2213291190,2phc2sys0-21swapper/321:48:453
350666991815,1cyclictest0-21swapper/220:25:062
35066299189,8cyclictest821548-21kthreadcore00:00:061
35066299189,8cyclictest392984-21kthreadcore19:40:051
35066299189,7cyclictest856333-21irqcore00:20:031
35066299184,5cyclictest0-21swapper/100:34:411
35066299184,2cyclictest82050irq/121-eno121:27:471
350662991810,7cyclictest849398-21kthreadcore00:15:041
350662991810,7cyclictest765728-21kthreadcore23:30:051
350662991810,7cyclictest594361-21fschecks_count21:55:001
350662991810,7cyclictest594361-21fschecks_count21:55:001
35066299180,3cyclictest817821-21cat00:00:011
35066099187,6cyclictest0-21swapper/023:50:100
350660991815,2cyclictest486888-21tail20:50:020
350660991811,6cyclictest598748-21kthreadcore21:55:050
4480332170,0sleep0448036-21kthreadcore20:20:060
350666991715,1cyclictest0-21swapper/222:45:022
350666991715,1cyclictest0-21swapper/220:20:012
35066299179,7cyclictest739729-21kthreadcore23:15:061
35066299179,7cyclictest562277-21kthreadcore21:35:051
35066299179,7cyclictest404830-21kthreadcore19:50:041
35066299179,7cyclictest350965-21irqcore19:10:021
35066299178,8cyclictest353736-21kthreadcore19:10:041
35066299175,5cyclictest676010-21kthreadcore22:40:031
35066299175,10cyclictest432715-21kthreadcore20:10:021
35066299175,10cyclictest420527-21kthreadcore20:00:051
35066299174,7cyclictest583555-1ssh21:47:051
35066299173,4cyclictest82050irq/121-eno121:40:041
35066299172,10cyclictest639577-21irqcore22:20:041
35066299171,4cyclictest0-21swapper/122:15:151
35066299171,11cyclictest751946-21python323:20:121
350662991710,3cyclictest533094-21kthreadcore21:20:051
35066099179,4cyclictest594754-21systemd-run21:55:010
35066099179,4cyclictest594754-21systemd-run21:55:010
35066099179,4cyclictest559729-21latency_hist21:35:040
35066099179,3cyclictest695631-21kthreadcore22:50:050
35066099176,7cyclictest0-21swapper/023:46:010
35066099172,10cyclictest422152-21cut20:00:060
350660991714,2cyclictest24615-21JS14:54:060
350660991713,3cyclictest523506-21/usr/sbin/munin21:15:020
350660991713,3cyclictest490353-21kthreadcore20:50:060
2213291170,2phc2sys0-21swapper/323:47:033
2213291170,2phc2sys0-21swapper/300:03:223
2213291170,1phc2sys0-21swapper/322:29:133
2213291170,1phc2sys0-21swapper/322:05:003
350666991613,1cyclictest0-21swapper/223:20:012
350666991613,1cyclictest0-21swapper/221:00:022
350666991613,1cyclictest0-21swapper/219:39:212
350666991613,1cyclictest0-21swapper/219:35:022
35066299168,7cyclictest0-21swapper/100:10:061
35066299167,5cyclictest82050irq/121-eno122:40:221
35066299165,9cyclictest796527-21sensors23:45:091
35066299164,4cyclictest473413-21irqcore20:40:031
35066299163,7cyclictest655800-1ssh22:29:051
35066299161,3cyclictest0-21swapper/122:00:461
35066099169,5cyclictest1-21systemd19:30:020
35066099169,4cyclictest787642-21ssh23:40:090
350660991613,2cyclictest350657-21cyclictest23:20:070
350660991612,3cyclictest540246-21aten_repower_fr21:24:480
350660991612,3cyclictest362181-21kthreadcore19:20:030
350660991612,3cyclictest353139-21kthreadcore19:10:040
35066099161,13cyclictest719574-21latency_hist23:05:000
35066099161,10cyclictest0-21swapper/000:05:450
350660991610,5cyclictest24615-21JS14:54:060
350660991610,5cyclictest0-21swapper/000:24:590
2213291160,3phc2sys0-21swapper/323:16:473
2213291160,2phc2sys0-21swapper/321:54:013
2213291160,2phc2sys0-21swapper/321:54:013
2213291160,1phc2sys0-21swapper/323:33:523
2213291160,1phc2sys0-21swapper/321:28:373
2213291160,1phc2sys0-21swapper/321:11:493
2213291160,1phc2sys0-21swapper/319:23:593
350666991513,1cyclictest0-21swapper/200:25:022
350666991513,0cyclictest0-21swapper/220:00:012
350666991512,1cyclictest0-21swapper/223:48:432
350666991512,1cyclictest0-21swapper/223:15:012
350666991512,1cyclictest0-21swapper/222:22:122
350666991512,1cyclictest0-21swapper/221:55:002
350666991512,1cyclictest0-21swapper/221:55:002
350666991512,1cyclictest0-21swapper/220:36:092
350666991512,1cyclictest0-21swapper/219:30:012
35066299151,6cyclictest375790-21munin-run19:30:031
35066099158,5cyclictest376-21systemd-journal22:05:000
35066099158,2cyclictest855993-21munin-run00:20:020
35066099156,2cyclictest0-21swapper/022:43:130
35066099154,6cyclictest0-21swapper/020:56:120
35066099154,6cyclictest0-21swapper/020:31:120
35066099153,7cyclictest0-21swapper/022:46:370
350660991512,2cyclictest782311-21systemd-run23:40:010
350660991512,2cyclictest746619-21systemd-run23:20:020
350660991512,2cyclictest576787-21gltestperf21:45:010
350660991512,2cyclictest479783-21cut20:45:000
350660991512,2cyclictest431764-21kthreadcore20:10:030
350660991511,3cyclictest544082-21kthreadcore21:25:040
350660991511,3cyclictest414596-21kthreadcore19:55:050
350660991510,4cyclictest1-21systemd19:20:030
2213291150,2phc2sys0-21swapper/322:18:423
350666991412,1cyclictest0-21swapper/222:15:032
350666991412,1cyclictest0-21swapper/219:10:022
350666991411,1cyclictest0-21swapper/223:55:112
350666991411,1cyclictest0-21swapper/222:50:002
350666991411,1cyclictest0-21swapper/222:35:022
350666991411,1cyclictest0-21swapper/222:01:172
350666991411,1cyclictest0-21swapper/221:48:122
350666991411,1cyclictest0-21swapper/221:33:082
35066699140,9cyclictest0-21swapper/222:06:502
35066099148,4cyclictest1188-21runrttasks00:03:400
35066099147,6cyclictest369586-21kworker/0:1+events20:14:430
35066099147,5cyclictest376977-21cut19:30:040
35066099147,2cyclictest0-21swapper/000:37:410
35066099146,2cyclictest0-21swapper/022:10:040
35066099143,6cyclictest0-21swapper/000:29:120
35066099142,7cyclictest0-21swapper/000:30:100
35066099141,8cyclictest455233-21cut20:25:050
350660991411,2cyclictest579404-21kthreadcore21:45:050
350660991411,2cyclictest468395-21kthreadcore20:35:040
350660991410,3cyclictest769619-21pmu-power23:30:090
350660991410,3cyclictest438987-21kthreadcore20:15:060
350660991410,3cyclictest400872-21kthreadcore19:45:050
2213291140,4phc2sys0-21swapper/322:07:113
2213291140,1phc2sys0-21swapper/323:10:343
2213291140,1phc2sys0-21swapper/323:01:373
4807412130,2sleep30-21swapper/320:45:023
350666991312,0cyclictest0-21swapper/223:45:032
350666991311,1cyclictest0-21swapper/223:50:042
350666991311,1cyclictest0-21swapper/223:00:222
350666991311,1cyclictest0-21swapper/222:55:402
350666991311,1cyclictest0-21swapper/222:35:072
350666991311,1cyclictest0-21swapper/222:20:032
350666991311,1cyclictest0-21swapper/219:14:592
350666991311,1cyclictest0-21swapper/200:15:032
350666991310,1cyclictest0-21swapper/223:34:592
350666991310,1cyclictest0-21swapper/221:44:582
350666991310,1cyclictest0-21swapper/220:40:062
350666991310,1cyclictest0-21swapper/219:49:592
350666991310,1cyclictest0-21swapper/219:17:012
350666991310,1cyclictest0-21swapper/200:37:332
350666991310,1cyclictest0-21swapper/200:30:062
35066099136,5cyclictest503658-21tr21:00:040
350660991310,2cyclictest410438-21systemd-run19:55:020
350660991310,2cyclictest387137-21kthreadcore19:35:060
2213291137,2phc2sys0-21swapper/300:35:163
2213291131,6phc2sys0-21swapper/322:51:003
2213291130,4phc2sys0-21swapper/323:41:483
35066699129,1cyclictest0-21swapper/222:25:542
35066699129,1cyclictest0-21swapper/221:55:152
35066699129,1cyclictest0-21swapper/221:00:592
35066699129,1cyclictest0-21swapper/200:25:052
35066699129,1cyclictest0-21swapper/200:15:052
350666991210,1cyclictest0-21swapper/223:35:042
350666991210,1cyclictest0-21swapper/223:25:042
350666991210,1cyclictest0-21swapper/222:50:052
350666991210,1cyclictest0-21swapper/221:15:072
350666991210,1cyclictest0-21swapper/221:10:022
350666991210,1cyclictest0-21swapper/220:50:042
350666991210,1cyclictest0-21swapper/220:30:042
350666991210,1cyclictest0-21swapper/220:20:062
350666991210,1cyclictest0-21swapper/220:05:072
350666991210,1cyclictest0-21swapper/220:00:092
350666991210,1cyclictest0-21swapper/200:05:022
35066699120,9cyclictest0-21swapper/219:20:592
35066099128,3cyclictest351040-21irqcore19:10:020
2213291120,3phc2sys0-21swapper/321:17:343
2213291120,2phc2sys0-21swapper/321:20:193
2213291120,2phc2sys0-21swapper/300:32:553
2213291120,1phc2sys0-21swapper/323:50:563
2213291120,1phc2sys0-21swapper/321:59:593
2213291120,1phc2sys0-21swapper/300:16:343
35066699119,1cyclictest0-21swapper/223:05:042
35066699119,1cyclictest0-21swapper/221:35:042
35066699119,1cyclictest0-21swapper/221:25:052
35066699119,1cyclictest0-21swapper/221:20:262
35066699119,1cyclictest0-21swapper/221:10:052
35066699119,1cyclictest0-21swapper/220:45:042
35066699119,1cyclictest0-21swapper/220:13:522
35066699119,1cyclictest0-21swapper/219:50:052
35066699119,1cyclictest0-21swapper/219:40:042
35066699118,1cyclictest0-21swapper/200:05:052
2213291111,2phc2sys0-21swapper/322:39:403
2213291111,2phc2sys0-21swapper/319:09:413
2213291110,2phc2sys0-21swapper/321:00:033
2213291110,2phc2sys0-21swapper/320:54:423
2213291110,1phc2sys0-21swapper/320:22:483
2213291110,1phc2sys0-21swapper/319:34:573
2213291103,1phc2sys0-21swapper/322:58:213
2213291102,3phc2sys0-21swapper/321:40:433
2213291101,1phc2sys0-21swapper/322:44:413
2213291100,2phc2sys0-21swapper/322:14:423
2213291100,2phc2sys0-21swapper/320:46:473
2213291100,2phc2sys0-21swapper/320:19:433
2213291100,2phc2sys0-21swapper/320:09:413
2213291100,2phc2sys0-21swapper/320:03:383
2213291100,2phc2sys0-21swapper/319:54:413
2213291100,1phc2sys0-21swapper/323:59:013
2213291100,1phc2sys0-21swapper/321:07:243
2213291100,1phc2sys0-21swapper/319:19:553
2213291100,1phc2sys0-21swapper/300:10:073
566176290,2sleep30-21swapper/321:38:263
221329193,2phc2sys0-21swapper/319:40:043
221329191,3phc2sys0-21swapper/321:05:013
221329191,3phc2sys0-21swapper/320:30:013
221329191,2phc2sys0-21swapper/323:22:053
221329191,2phc2sys0-21swapper/322:21:323
221329191,2phc2sys0-21swapper/320:35:023
221329191,2phc2sys0-21swapper/300:06:473
221329191,1phc2sys0-21swapper/322:49:463
221329191,1phc2sys0-21swapper/319:14:423
221329191,1phc2sys0-21swapper/300:25:073
221329190,2phc2sys0-21swapper/323:06:413
221329190,2phc2sys0-21swapper/322:34:563
221329190,2phc2sys0-21swapper/321:34:423
221329190,2phc2sys0-21swapper/320:39:433
221329190,1phc2sys0-21swapper/323:29:043
221329190,1phc2sys0-21swapper/319:47:123
221329181,3phc2sys0-21swapper/319:55:043
221329181,2phc2sys0-21swapper/319:25:033
221329181,1phc2sys0-21swapper/319:39:413
221329180,1phc2sys0-21swapper/320:15:023
221329180,1phc2sys0-21swapper/300:22:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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