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2026-09-10 - 18:59
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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 Thu Sep 10, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61411221100,2sleep30-21swapper/311:54:373
46558821100,2sleep1465586-21munin-run10:30:011
62749621060,2sleep0627491-21ssh12:04:330
2832892970,1sleep00-21swapper/008:40:080
6226042310,2sleep1622608-21kthreadcore11:59:361
4035612250,3sleep30-21swapper/309:54:433
156161992518,6cyclictest1188-21runrttasks10:15:370
156161992418,2cyclictest82050irq/121-eno109:09:420
156162992320,2cyclictest296852-21systemd-run08:50:011
156161992314,8cyclictest540943-21kthreadcore11:14:350
156163992213,4cyclictest0-21swapper/209:49:122
15616399221,12cyclictest0-21swapper/212:34:142
4043522210,1sleep10-21swapper/109:55:251
3360782210,2sleep1336038-21ssh09:19:291
156161992111,6cyclictest407321-21irqcore09:59:330
156161992110,7cyclictest483493-21kworker/u16:1+nfsiod11:19:350
156161992110,4cyclictest0-21swapper/009:24:330
15616199209,2cyclictest2447398rtkit-daemon09:27:590
15616199209,10cyclictest0-21swapper/011:39:120
15616199208,7cyclictest527449-21kworker/u16:2+xprtiod11:58:010
15616199207,4cyclictest0-21swapper/010:58:450
15616199206,6cyclictest172461-21kworker/u16:0+rpciod10:27:570
15616199201,6cyclictest520791-21apt-get11:04:110
156161992013,6cyclictest798-21mta-sts-daemon11:09:150
156161992011,8cyclictest570205-21kthreadcore11:29:410
2213291191,9phc2sys0-21swapper/311:29:173
156163991916,1cyclictest0-21swapper/210:20:012
156163991915,2cyclictest0-21swapper/210:09:122
15616299197,4cyclictest0-21swapper/110:14:191
15616299194,8cyclictest456861-21awk10:25:011
156162991914,3cyclictest388368-21/usr/sbin/munin09:49:131
15616199199,6cyclictest689375-21tr12:39:330
15616199199,6cyclictest0-21swapper/009:50:030
15616199198,7cyclictest438471-21cut10:14:380
15616199197,5cyclictest666194-21cut12:24:370
156161991915,3cyclictest637367-21kthreadcore12:09:340
156161991915,3cyclictest312585-21kthreadcore09:04:350
156161991915,3cyclictest262068-21timerwakeupswit08:24:420
156161991915,2cyclictest777-21avahi-daemon11:50:020
156161991913,5cyclictest418146-21kthreadcore10:04:360
156161991912,6cyclictest334662-21runrttasks09:17:360
15616199189,5cyclictest324834-21diskmemload09:10:280
15616199189,5cyclictest0-21swapper/011:44:340
15616199189,5cyclictest0-21swapper/010:45:020
15616199188,7cyclictest370038-21sh09:37:480
15616199188,6cyclictest561098-21cut11:24:360
15616199187,8cyclictest671993-21cut12:29:330
15616199187,7cyclictest450327-21ssh10:24:120
15616199185,3cyclictest0-21swapper/011:32:550
15616199184,6cyclictest361833-21apt-get09:34:100
15616199182,3cyclictest171ktimers/007:29:310
156161991814,3cyclictest307903-21kthreadcore08:59:360
156161991814,3cyclictest300445-21kthreadcore08:54:360
156161991814,3cyclictest215932-21kthreadcore07:54:340
156161991812,5cyclictest425055-21grep10:09:330
156161991811,4cyclictest156160-21cyclictest10:39:410
2213291171,3phc2sys0-21swapper/310:29:123
2213291170,3phc2sys0-21swapper/310:09:123
2213291170,3phc2sys0-21swapper/308:05:043
2213291170,2phc2sys0-21swapper/309:42:173
15616399179,3cyclictest0-21swapper/212:14:112
15616399176,5cyclictest0-21swapper/210:44:122
15616399171,8cyclictest0-21swapper/208:34:132
15616399171,7cyclictest0-21swapper/212:09:122
15616399171,7cyclictest0-21swapper/209:54:132
156163991714,1cyclictest0-21swapper/211:10:092
156163991714,1cyclictest0-21swapper/210:39:332
156163991714,1cyclictest0-21swapper/210:24:422
15616299175,3cyclictest554791-21sshd-auth11:21:251
156162991714,2cyclictest255535-21systemd-run08:20:011
156162991713,3cyclictest487340-21kthreadcore10:44:341
156162991712,3cyclictest356948-21kthreadcore09:29:361
15616299170,14cyclictest0-21swapper/108:57:321
15616199179,5cyclictest179410-21http07:25:010
15616199178,4cyclictest0-21swapper/010:34:390
15616199176,7cyclictest495097-21fschecks_count10:49:320
15616199176,6cyclictest172425-21munin-run07:20:010
15616199174,8cyclictest503117-21/usr/sbin/munin10:54:410
15616199173,3cyclictest171ktimers/012:17:550
156161991714,2cyclictest932-1atopacctd11:54:330
156161991713,3cyclictest681140-21kthreadcore12:34:360
156161991713,3cyclictest400796-21kthreadcore09:54:370
156161991713,3cyclictest293565-21kthreadcore08:49:370
156161991713,3cyclictest278501-21kthreadcore08:39:360
156161991713,3cyclictest266969-21kthreadcore08:29:350
156161991713,3cyclictest250462-21kthreadcore08:19:340
156161991713,3cyclictest210324-21kthreadcore07:49:350
156161991713,3cyclictest190657-21kthreadcore07:34:340
15616199170,5cyclictest643311-21ssh12:12:090
2213291160,4phc2sys0-21swapper/310:24:233
15616399161,5cyclictest0-21swapper/211:29:172
156163991613,1cyclictest0-21swapper/210:04:382
15616399161,11cyclictest2836322sleep208:44:122
15616399160,2cyclictest0-21swapper/209:44:132
15616299168,3cyclictest82050irq/121-eno112:19:121
15616299168,1cyclictest82050irq/121-eno111:47:421
15616299165,2cyclictest386083-21latency_hist09:45:031
15616299164,4cyclictest214445-21sshd-auth07:52:261
15616299162,5cyclictest614548-21kthreadcore11:54:381
15616299161,7cyclictest642046-21latency_hist12:10:021
15616299161,6cyclictest262272-21latency_hist08:25:011
15616299161,3cyclictest0-21swapper/109:14:321
156162991613,2cyclictest289970-21systemd-run08:45:011
156162991613,2cyclictest24648-21gmain11:31:311
156162991613,2cyclictest24616-21JS14:54:061
156162991613,2cyclictest24472-21rtkit-daemon07:20:331
156162991612,3cyclictest593311-21kthreadcore11:44:341
156162991612,3cyclictest496365-21kthreadcore10:49:351
156162991612,3cyclictest192967-21timerwakeupswit07:34:401
156162991610,4cyclictest681140-21kthreadcore12:34:361
15616199167,5cyclictest382918-21kthreadcore09:44:360
15616199161,4cyclictest24604-21gnome-shell07:44:090
156161991613,2cyclictest229138-21gltestperf08:04:330
156161991613,2cyclictest221815-21cpuspeed_turbos07:59:310
156161991612,3cyclictest271097-21irqrtprio08:34:340
156161991612,3cyclictest244315-21kthreadcore08:14:340
156161991612,3cyclictest236886-21kthreadcore08:09:350
156161991612,3cyclictest194943-21irqcore07:39:330
156161991612,3cyclictest194943-21irqcore07:39:330
156161991612,3cyclictest157951-21irqrtprio07:14:330
2213291151,3phc2sys0-21swapper/309:09:153
2213291150,3phc2sys0-21swapper/312:24:133
2213291150,2phc2sys0-21swapper/310:47:363
2213291150,2phc2sys0-21swapper/309:15:123
156163991513,1cyclictest0-21swapper/212:40:022
156163991512,1cyclictest0-21swapper/212:27:092
156163991512,1cyclictest0-21swapper/211:24:332
156163991512,1cyclictest0-21swapper/209:15:022
156163991512,1cyclictest0-21swapper/209:09:282
156163991512,1cyclictest0-21swapper/209:04:322
156163991512,1cyclictest0-21swapper/207:10:012
156163991511,2cyclictest0-21swapper/210:34:432
156163991511,2cyclictest0-21swapper/207:40:092
15616399150,7cyclictest0-21swapper/211:54:142
15616299159,2cyclictest82050irq/121-eno110:17:101
15616299158,2cyclictest82050irq/121-eno111:02:061
15616299156,2cyclictest82050irq/121-eno110:04:121
15616299155,2cyclictest82050irq/121-eno111:14:371
15616299155,2cyclictest491rcuog/207:29:301
15616299154,3cyclictest269162-21latency_hist08:30:011
15616299154,2cyclictest82050irq/121-eno109:09:421
15616299151,6cyclictest633238-21latency_hist12:05:011
15616299151,6cyclictest0-21swapper/112:24:241
156162991512,2cyclictest977-21rs:main1
156162991512,2cyclictest797-21polkitd09:04:401
156162991512,2cyclictest426961-21kthreadcore10:09:351
156162991512,2cyclictest370860-21aten2.4-expect09:39:201
156162991512,2cyclictest194250-21cstates07:39:291
156162991512,2cyclictest194250-21cstates07:39:291
156162991511,3cyclictest674783-21kthreadcore12:29:361
156162991511,3cyclictest645546-21irqrtprio12:14:311
156162991511,3cyclictest584021-21irqrtprio11:39:331
156162991511,3cyclictest479133-21kthreadcore10:39:341
156162991511,3cyclictest469161-21irqrtprio10:34:371
156162991511,3cyclictest362148-21cpu09:34:271
156162991511,3cyclictest347505-21kthreadcore09:24:341
156162991511,3cyclictest300445-21kthreadcore08:54:361
156162991511,3cyclictest272612-21kthreadcore08:34:351
156162991511,3cyclictest243722-21kthreadcore08:14:341
156162991511,3cyclictest222732-21irqrtprio07:59:351
156162991511,3cyclictest202269-21kthreadcore07:44:351
156162991511,3cyclictest168179-21kthreadcore07:19:351
156162991510,3cyclictest1188-21runrttasks09:50:391
156161991512,2cyclictest156277-21latency_hist07:10:020
2213391140,2ptp4l0-21swapper/309:00:013
2213291144,2phc2sys0-21swapper/312:07:383
2213291140,5phc2sys0-21swapper/308:14:403
2213291140,2phc2sys0-21swapper/312:13:193
15616399141,5cyclictest0-21swapper/209:24:122
156163991411,1cyclictest0-21swapper/212:00:342
156163991411,1cyclictest0-21swapper/211:44:312
156163991411,1cyclictest0-21swapper/210:30:012
156163991411,1cyclictest0-21swapper/209:00:022
156163991411,1cyclictest0-21swapper/208:39:352
156163991411,1cyclictest0-21swapper/208:29:292
156163991411,1cyclictest0-21swapper/207:54:332
156163991411,1cyclictest0-21swapper/207:38:322
156163991411,1cyclictest0-21swapper/207:38:322
156163991411,1cyclictest0-21swapper/207:34:302
156163991411,1cyclictest0-21swapper/207:30:012
156163991411,1cyclictest0-21swapper/207:14:312
156163991410,1cyclictest0-21swapper/210:52:092
15616299149,3cyclictest690736-21kthreadcore12:39:361
15616299145,2cyclictest82050irq/121-eno110:56:011
15616299143,4cyclictest156379-21cat07:10:031
156162991410,3cyclictest568053-21kthreadcore11:29:391
156162991410,3cyclictest534705-21kthreadcore11:09:391
156162991410,3cyclictest282435-21ptp4l08:39:401
156162991410,3cyclictest229740-21kthreadcore08:04:351
156162991410,3cyclictest209150-21kthreadcore07:49:341
15616299140,6cyclictest548092-21/usr/sbin/munin11:19:311
5119372130,5sleep30-21swapper/310:59:023
2213291131,2phc2sys0-21swapper/310:14:333
2213291131,2phc2sys0-21swapper/307:40:083
2213291130,2phc2sys0-21swapper/312:35:563
2213291130,2phc2sys0-21swapper/311:38:373
2213291130,1phc2sys0-21swapper/311:46:263
15616399139,2cyclictest0-21swapper/209:59:342
15616399131,7cyclictest0-21swapper/209:34:102
15616399131,4cyclictest0-21swapper/207:19:132
156163991310,1cyclictest0-21swapper/211:59:262
156163991310,1cyclictest0-21swapper/211:04:312
156163991310,1cyclictest0-21swapper/208:54:302
156163991310,1cyclictest0-21swapper/208:24:272
156163991310,1cyclictest0-21swapper/208:19:322
156163991310,1cyclictest0-21swapper/208:06:252
156163991310,1cyclictest0-21swapper/207:59:342
15616399130,6cyclictest0-21swapper/209:39:132
15616299139,3cyclictest156874-21aten_repower_po07:14:231
2213291124,2phc2sys0-21swapper/307:10:593
2213291121,2phc2sys0-21swapper/311:59:363
2213291120,4phc2sys0-21swapper/309:04:133
2213291120,2phc2sys0-21swapper/307:39:123
2213291120,2phc2sys0-21swapper/307:39:123
2213291120,1phc2sys0-21swapper/307:06:503
15616399129,1cyclictest0-21swapper/212:24:302
15616399129,1cyclictest0-21swapper/211:49:342
15616399129,1cyclictest0-21swapper/211:18:192
15616399129,1cyclictest0-21swapper/210:49:372
15616399129,1cyclictest0-21swapper/209:15:262
15616399129,1cyclictest0-21swapper/208:04:472
15616399129,1cyclictest0-21swapper/207:45:202
15616399128,2cyclictest0-21swapper/210:10:122
15616399124,4cyclictest0-21swapper/208:49:142
15616399123,5cyclictest0-21swapper/208:14:122
5913712110,2sleep30-21swapper/311:44:113
5560412111,6sleep30-21swapper/311:24:123
5294432110,3sleep30-21swapper/311:08:483
5107072110,1sleep20-21swapper/210:56:292
2213291113,2phc2sys0-21swapper/311:19:363
2213291112,3phc2sys0-21swapper/310:51:133
2213291111,4phc2sys0-21swapper/308:54:133
2213291111,2phc2sys0-21swapper/310:20:023
2213291110,2phc2sys0-21swapper/312:17:323
2213291110,2phc2sys0-21swapper/311:04:113
2213291110,2phc2sys0-21swapper/309:38:133
2213291110,2phc2sys0-21swapper/308:03:243
2213291110,2phc2sys0-21swapper/307:34:113
2213291110,1phc2sys0-21swapper/307:19:123
15616399119,1cyclictest0-21swapper/209:29:112
15616399118,1cyclictest0-21swapper/212:16:412
15616399118,1cyclictest0-21swapper/211:32:392
15616399118,1cyclictest0-21swapper/211:09:062
15616399111,4cyclictest0-21swapper/207:20:062
2213291103,1phc2sys0-21swapper/309:58:293
2213291101,4phc2sys0-21swapper/308:34:133
2213291101,3phc2sys0-21swapper/312:31:513
2213291101,2phc2sys0-21swapper/312:00:203
2213291101,2phc2sys0-21swapper/308:39:373
2213291100,3phc2sys0-21swapper/307:21:253
2213291100,2phc2sys0-21swapper/312:25:383
2213291100,2phc2sys0-21swapper/310:38:423
2213291100,2phc2sys0-21swapper/309:46:353
2213291100,2phc2sys0-21swapper/309:31:243
2213291100,2phc2sys0-21swapper/309:27:433
2213291100,2phc2sys0-21swapper/309:10:313
2213291100,2phc2sys0-21swapper/308:46:593
2213291100,2phc2sys0-21swapper/307:49:303
2213291100,2phc2sys0-21swapper/307:25:063
15616399108,1cyclictest0-21swapper/211:35:442
221329191,2phc2sys0-21swapper/311:10:263
221329191,2phc2sys0-21swapper/309:20:053
221329191,2phc2sys0-21swapper/308:44:343
221329191,2phc2sys0-21swapper/308:19:123
221329191,2phc2sys0-21swapper/307:54:353
221329190,3phc2sys0-21swapper/308:30:033
221329190,2phc2sys0-21swapper/311:30:103
221329190,2phc2sys0-21swapper/310:41:303
221329190,2phc2sys0-21swapper/310:30:123
221329190,2phc2sys0-21swapper/310:00:063
221329190,2phc2sys0-21swapper/308:22:443
221329190,2phc2sys0-21swapper/307:56:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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