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2026-09-20 - 10:58
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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 376 highest latencies:
System rack6slot0.osadl.org (updated Sun Sep 20, 2026 01:01:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
880899211204,5cyclictest0-21swapper/2319:45:2316
880899211204,5cyclictest0-21swapper/2319:45:2216
882099203193,6cyclictest0-21swapper/3421:15:1628
882099203193,6cyclictest0-21swapper/3421:15:1628
88059920175,115cyclictest0-21swapper/2022:00:1613
88059920175,115cyclictest0-21swapper/2022:00:1613
87979920024,109cyclictest3541-21CPU7
87979920024,109cyclictest3541-21CPU7
8795991994,179cyclictest0-21swapper/1323:10:175
8795991994,179cyclictest0-21swapper/1323:10:175
8795991994,179cyclictest0-21swapper/1323:10:165
878499199188,5cyclictest0-21swapper/323:18:4923
878499199188,5cyclictest0-21swapper/323:18:4923
881399196188,6cyclictest0-21swapper/2822:31:1021
881399196188,6cyclictest0-21swapper/2822:31:1021
878999196174,13cyclictest0-21swapper/823:23:4438
878999196174,13cyclictest0-21swapper/823:23:4438
878399195188,5cyclictest0-21swapper/220:30:5212
878399195188,5cyclictest0-21swapper/220:30:5212
882099194189,3cyclictest142450irq/46-eno1-TxRx-420:10:1428
882099194189,3cyclictest142450irq/46-eno1-TxRx-420:10:1428
881099194189,3cyclictest0-21swapper/2521:40:1618
881099194189,3cyclictest0-21swapper/2521:40:1518
878399194184,8cyclictest0-21swapper/222:11:2112
878399194184,8cyclictest0-21swapper/222:11:2012
878399194161,16cyclictest0-21swapper/222:49:4512
878399194161,16cyclictest0-21swapper/222:49:4512
878399194161,16cyclictest0-21swapper/222:49:4512
882099193180,11cyclictest0-21swapper/3422:17:2028
882099193180,11cyclictest0-21swapper/3422:17:2028
880599193102,85cyclictest3546-21CPU13
880599193102,85cyclictest3546-21CPU13
880599193102,85cyclictest3546-21CPU13
878999192183,4cyclictest0-21swapper/820:00:3938
878999192183,4cyclictest0-21swapper/820:00:3938
88239919146,135cyclictest2459-21CPU30
88239919146,135cyclictest2459-21CPU30
878599191182,7cyclictest0-21swapper/421:41:3234
878599191182,7cyclictest0-21swapper/421:41:3134
878499190185,3cyclictest6695-21kworker/u81:1+events_unbound00:09:2423
878499190185,3cyclictest6695-21kworker/u81:1+events_unbound00:09:2423
8805991891,183cyclictest7051-21cstates21:50:1613
8805991891,183cyclictest7051-21cstates21:50:1513
880599189108,77cyclictest3545-21CPU13
880599189108,77cyclictest3545-21CPU13
878599189161,14cyclictest3544-21CPU34
878599189161,14cyclictest3544-21CPU34
878399189176,10cyclictest0-21swapper/220:25:2612
878399189176,10cyclictest0-21swapper/220:25:2612
87959918878,104cyclictest0-21swapper/1321:40:185
87959918878,104cyclictest0-21swapper/1321:40:185
878499188176,10cyclictest0-21swapper/322:01:0123
878499188176,10cyclictest0-21swapper/322:01:0123
878399188130,29cyclictest0-21swapper/219:15:4812
878399188130,29cyclictest0-21swapper/219:15:4812
882099187176,9cyclictest0-21swapper/3419:21:3328
882099187176,9cyclictest0-21swapper/3419:21:3228
880899187176,9cyclictest0-21swapper/2320:42:5116
880899187176,9cyclictest0-21swapper/2320:42:5116
880299187177,8cyclictest0-21swapper/1821:09:5710
880299187177,8cyclictest0-21swapper/1821:09:5610
8795991871,182cyclictest0-21swapper/1321:20:155
8795991871,182cyclictest0-21swapper/1321:20:155
878599187181,5cyclictest0-21swapper/422:17:2834
878599187181,5cyclictest0-21swapper/422:17:2834
878599186179,5cyclictest0-21swapper/422:21:1134
878599186179,5cyclictest0-21swapper/422:21:1134
882099185179,4cyclictest0-21swapper/3421:13:1228
882099185179,4cyclictest0-21swapper/3421:13:1228
880299185172,10cyclictest0-21swapper/1821:28:1210
880299185172,10cyclictest0-21swapper/1821:28:1210
878599185179,4cyclictest0-21swapper/422:12:2634
878599185179,4cyclictest0-21swapper/422:12:2634
878599185177,7cyclictest0-21swapper/422:44:2734
878599185177,7cyclictest0-21swapper/422:44:2634
878599185177,5cyclictest18183-21sshd21:55:0334
878599185177,5cyclictest18183-21sshd21:55:0334
882099184180,2cyclictest0-21swapper/3421:20:2128
882099184180,2cyclictest0-21swapper/3421:20:2028
878399184154,24cyclictest0-21swapper/222:00:2712
878399184154,24cyclictest0-21swapper/222:00:2712
878399184142,22cyclictest0-21swapper/200:12:1112
878399184142,22cyclictest0-21swapper/200:12:1012
878399184142,22cyclictest0-21swapper/200:12:1012
878599183178,3cyclictest0-21swapper/421:50:0034
878599183178,3cyclictest0-21swapper/421:50:0034
882099182173,7cyclictest0-21swapper/3420:01:3828
882099182173,7cyclictest0-21swapper/3420:01:3828
878499182169,11cyclictest0-21swapper/300:34:2323
878499182169,11cyclictest0-21swapper/300:34:2223
882099181172,6cyclictest0-21swapper/3421:25:3028
882099181172,6cyclictest0-21swapper/3421:25:3028
880899181164,6cyclictest0-21swapper/2323:36:1816
880899181164,6cyclictest0-21swapper/2323:36:1816
880899181164,6cyclictest0-21swapper/2323:36:1816
880699181171,6cyclictest0-21swapper/2119:42:3114
880699181171,6cyclictest0-21swapper/2119:42:3114
88059918195,49cyclictest0-21swapper/2022:30:2013
88059918195,49cyclictest0-21swapper/2022:30:2013
880299181174,5cyclictest17484-21nfsd19:41:5710
880299181174,5cyclictest17484-21nfsd19:41:5610
878599181175,4cyclictest0-21swapper/421:37:1434
878599181175,4cyclictest0-21swapper/421:37:1434
878399181130,28cyclictest0-21swapper/221:53:4412
878399181130,28cyclictest0-21swapper/221:53:4412
878399181109,56cyclictest0-21swapper/219:55:4112
878399181109,56cyclictest0-21swapper/219:55:4012
882099180175,4cyclictest0-21swapper/3419:50:5528
882099180175,4cyclictest0-21swapper/3419:50:5428
880799180176,2cyclictest0-21swapper/2221:40:1615
880799180176,2cyclictest0-21swapper/2221:40:1615
878399180159,14cyclictest171rcu_preempt23:25:2412
878399180159,14cyclictest171rcu_preempt23:25:2412
878399180101,64cyclictest3548-21CPU12
878399180101,64cyclictest3548-21CPU12
881799179170,6cyclictest0-21swapper/3121:00:3625
881799179170,6cyclictest0-21swapper/3121:00:3625
879099179173,4cyclictest28458-21sshd00:15:2339
879099179173,4cyclictest28458-21sshd00:15:2339
878599179171,6cyclictest0-21swapper/421:32:2534
878599179171,6cyclictest0-21swapper/421:32:2534
878599179169,8cyclictest0-21swapper/422:06:3834
878599179169,8cyclictest0-21swapper/422:06:3834
878499179164,13cyclictest0-21swapper/323:59:2323
878499179164,13cyclictest0-21swapper/323:59:2323
878499179164,13cyclictest0-21swapper/323:59:2223
878499179125,40cyclictest4407-21CPU23
878499179125,40cyclictest4407-21CPU23
878499179125,40cyclictest4407-21CPU23
878399179167,6cyclictest171rcu_preempt19:14:3812
878399179167,6cyclictest171rcu_preempt19:14:3812
878399179140,22cyclictest0-21swapper/221:13:3912
878399179140,22cyclictest0-21swapper/221:13:3912
878399179105,50cyclictest0-21swapper/223:41:4512
878399179105,50cyclictest0-21swapper/223:41:4512
878299179174,3cyclictest0-21swapper/123:25:251
878299179174,3cyclictest0-21swapper/123:25:241
880899178169,3cyclictest0-21swapper/2323:49:1016
880899178169,3cyclictest0-21swapper/2323:49:1016
880899178169,3cyclictest0-21swapper/2323:49:1016
8805991781,168cyclictest0-21swapper/2021:30:0213
8805991781,168cyclictest0-21swapper/2021:30:0213
879199178174,2cyclictest0-21swapper/1021:29:182
879199178174,2cyclictest0-21swapper/1021:29:182
878999178169,6cyclictest0-21swapper/823:37:3238
878999178169,6cyclictest0-21swapper/823:37:3238
878999178169,6cyclictest0-21swapper/823:37:3238
878999178161,9cyclictest0-21swapper/821:42:0538
878999178161,9cyclictest0-21swapper/821:42:0438
878599178170,6cyclictest17484-21nfsd22:00:2934
878599178170,6cyclictest17484-21nfsd22:00:2934
878399178154,18cyclictest171rcu_preempt21:47:4112
878399178154,18cyclictest171rcu_preempt21:47:4112
878399178145,28cyclictest0-21swapper/221:18:3212
878399178145,28cyclictest0-21swapper/221:18:3212
878399178119,27cyclictest0-21swapper/222:16:0812
878399178119,27cyclictest0-21swapper/222:16:0812
880899177168,7cyclictest0-21swapper/2321:49:4816
880899177168,7cyclictest0-21swapper/2321:49:4816
880899177167,8cyclictest0-21swapper/2323:31:0616
880899177167,8cyclictest0-21swapper/2323:31:0616
880899177163,12cyclictest0-21swapper/2319:21:3116
880899177163,12cyclictest0-21swapper/2319:21:3116
880599177107,60cyclictest0-21swapper/2021:22:0013
880599177107,60cyclictest0-21swapper/2021:21:5913
878999177168,6cyclictest0-21swapper/823:10:0338
878999177168,6cyclictest0-21swapper/823:10:0238
878999177119,54cyclictest3544-21CPU38
878999177119,54cyclictest3544-21CPU38
878599177166,9cyclictest0-21swapper/420:01:3134
878599177166,9cyclictest0-21swapper/420:01:3134
878499177146,28cyclictest2462-21CPU23
878499177146,28cyclictest2462-21CPU23
878399177164,11cyclictest0-21swapper/223:21:0212
878399177164,11cyclictest0-21swapper/223:21:0212
878399177143,15cyclictest171rcu_preempt19:23:0912
878399177143,15cyclictest171rcu_preempt19:23:0812
878399177116,43cyclictest3544-21CPU12
878399177116,43cyclictest3544-21CPU12
881399176158,5cyclictest0-21swapper/2820:54:2021
880899176160,14cyclictest0-21swapper/2323:59:2316
880899176160,14cyclictest0-21swapper/2323:59:2316
880899176160,14cyclictest0-21swapper/2323:59:2316
880699176166,6cyclictest0-21swapper/2100:10:5414
880699176166,6cyclictest0-21swapper/2100:10:5414
880699176166,6cyclictest0-21swapper/2100:10:5314
8805991761,133cyclictest3544-21CPU13
8805991761,133cyclictest3544-21CPU13
880299176168,6cyclictest0-21swapper/1819:38:5110
878399176139,21cyclictest2466-21CPU12
878399176139,21cyclictest2466-21CPU12
878399176138,14cyclictest171rcu_preempt20:21:3212
878399176138,14cyclictest171rcu_preempt20:21:3212
878399176138,13cyclictest171rcu_preempt23:45:4212
878399176138,13cyclictest171rcu_preempt23:45:4112
878399176138,13cyclictest171rcu_preempt23:45:4112
878399176134,27cyclictest0-21swapper/222:55:4412
878399176134,27cyclictest0-21swapper/222:55:4312
878399176133,22cyclictest0-21swapper/223:08:3312
878399176133,22cyclictest0-21swapper/223:08:3312
878399176132,21cyclictest3548-21CPU12
878399176132,21cyclictest3548-21CPU12
878399176116,41cyclictest0-21swapper/223:01:2412
878399176116,41cyclictest0-21swapper/223:01:2312
878399176116,41cyclictest0-21swapper/223:01:2312
882099175170,4cyclictest0-21swapper/3420:05:5828
882099175170,4cyclictest0-21swapper/3420:05:5828
880299175170,4cyclictest0-21swapper/1820:16:1010
880299175170,4cyclictest0-21swapper/1820:16:1010
8795991751,75cyclictest0-21swapper/1321:20:015
8795991751,75cyclictest0-21swapper/1321:20:015
8795991750,164cyclictest17484-21nfsd21:55:015
8795991750,164cyclictest17484-21nfsd21:55:015
878999175164,7cyclictest0-21swapper/819:22:0638
878999175164,7cyclictest0-21swapper/819:22:0538
878599175164,8cyclictest2456-21CPU34
878599175164,8cyclictest2456-21CPU34
878399175147,14cyclictest171rcu_preempt21:39:4712
878399175147,14cyclictest171rcu_preempt21:39:4612
878399175118,51cyclictest4407-21CPU12
878399175118,51cyclictest4407-21CPU12
878199175161,6cyclictest0-21swapper/022:05:000
878199175161,6cyclictest0-21swapper/022:05:000
881799174156,3cyclictest0-21swapper/3121:46:1125
881799174156,3cyclictest0-21swapper/3121:46:1125
88059917484,80cyclictest37265-21CPU13
88059917484,80cyclictest37265-21CPU13
879599174140,27cyclictest0-21swapper/1322:33:185
879599174140,27cyclictest0-21swapper/1322:33:175
8795991741,161cyclictest0-21swapper/1321:30:165
8795991741,161cyclictest0-21swapper/1321:30:165
878399174160,11cyclictest0-21swapper/219:35:4912
878399174130,21cyclictest0-21swapper/220:06:2112
878399174130,21cyclictest0-21swapper/220:06:2112
882099173159,8cyclictest171rcu_preempt21:34:1828
882099173159,8cyclictest171rcu_preempt21:34:1828
881799173162,9cyclictest0-21swapper/3120:56:1925
881799173162,9cyclictest0-21swapper/3120:56:1925
880299173149,11cyclictest171rcu_preempt22:46:2610
880299173149,11cyclictest171rcu_preempt22:46:2610
880299173149,11cyclictest171rcu_preempt22:46:2610
878599173166,6cyclictest0-21swapper/420:15:2334
878599173166,6cyclictest0-21swapper/420:15:2334
878399173112,29cyclictest0-21swapper/222:22:3812
878399173112,29cyclictest0-21swapper/222:22:3812
882099172157,6cyclictest0-21swapper/3420:18:3028
882099172157,6cyclictest0-21swapper/3420:18:2928
880899172119,41cyclictest0-21swapper/2321:15:2116
880899172119,41cyclictest0-21swapper/2321:15:2116
880899172115,52cyclictest3548-21CPU16
880899172115,52cyclictest3548-21CPU16
8805991720,161cyclictest0-21swapper/2020:40:1713
8805991720,161cyclictest0-21swapper/2020:40:1713
880299172164,5cyclictest0-21swapper/1823:42:5710
880299172164,5cyclictest0-21swapper/1823:42:5710
880299172146,24cyclictest0-21swapper/1819:30:4710
880299172146,24cyclictest0-21swapper/1819:30:4710
87899917295,62cyclictest37356-21CPU38
87899917295,62cyclictest37356-21CPU38
878999172162,8cyclictest0-21swapper/820:52:4338
878499172167,3cyclictest3600-21qemu-system-x8620:49:1123
878499172158,7cyclictest0-21swapper/319:13:1523
878499172158,7cyclictest0-21swapper/319:13:1523
878399172149,12cyclictest171rcu_preempt00:37:3512
878399172149,12cyclictest171rcu_preempt00:37:3512
878399172149,12cyclictest171rcu_preempt00:37:3412
878399172127,30cyclictest0-21swapper/223:11:3812
878399172127,30cyclictest0-21swapper/223:11:3812
878399172127,30cyclictest0-21swapper/223:11:3812
878399172106,29cyclictest0-21swapper/222:05:5112
878399172106,29cyclictest0-21swapper/222:05:5112
882099171156,13cyclictest0-21swapper/3421:10:0628
882099171156,13cyclictest0-21swapper/3421:10:0628
880899171162,6cyclictest0-21swapper/2300:12:0616
880899171162,6cyclictest0-21swapper/2300:12:0616
880899171162,6cyclictest0-21swapper/2300:12:0516
880699171164,5cyclictest0-21swapper/2120:24:3714
880699171164,5cyclictest0-21swapper/2120:24:3714
880299171132,15cyclictest171rcu_preempt22:13:4510
880299171132,15cyclictest171rcu_preempt22:13:4510
878999171168,2cyclictest0-21swapper/800:09:2638
878999171168,2cyclictest0-21swapper/800:09:2638
878999171164,5cyclictest0-21swapper/823:29:5138
878999171164,5cyclictest0-21swapper/823:29:5138
878999171149,10cyclictest0-21swapper/822:25:0238
878999171149,10cyclictest0-21swapper/822:25:0238
878999171119,48cyclictest4408-21CPU38
878999171119,48cyclictest4408-21CPU38
878599171163,5cyclictest0-21swapper/400:05:4934
878599171163,5cyclictest0-21swapper/400:05:4934
878599171157,10cyclictest0-21swapper/400:34:2334
878599171157,10cyclictest0-21swapper/400:34:2234
878399171164,5cyclictest0-21swapper/222:38:1612
878399171164,5cyclictest0-21swapper/222:38:1612
878399171144,16cyclictest171rcu_preempt20:10:5812
878399171144,16cyclictest171rcu_preempt20:10:5812
878399171117,21cyclictest0-21swapper/220:04:4712
878399171117,21cyclictest0-21swapper/220:04:4712
882099170164,4cyclictest0-21swapper/3419:56:3028
882099170164,4cyclictest0-21swapper/3419:56:3028
881399170146,13cyclictest0-21swapper/2823:14:0221
881399170146,13cyclictest0-21swapper/2823:14:0221
881399170146,13cyclictest0-21swapper/2823:14:0221
8805991701,162cyclictest21089-21cstates19:45:1813
8805991701,162cyclictest21089-21cstates19:45:1713
87959917081,84cyclictest0-21swapper/1320:20:035
87959917081,84cyclictest0-21swapper/1320:20:035
8795991701,132cyclictest35261-21sshd00:08:205
8795991701,132cyclictest35261-21sshd00:08:195
879599170100,66cyclictest0-21swapper/1322:22:265
879599170100,66cyclictest0-21swapper/1322:22:255
878999170165,4cyclictest0-21swapper/823:40:3638
878999170165,4cyclictest0-21swapper/823:40:3638
878999170160,7cyclictest0-21swapper/823:54:2838
878999170160,7cyclictest0-21swapper/823:54:2838
878599170159,7cyclictest4408-21CPU34
878599170159,7cyclictest4408-21CPU34
878499170109,57cyclictest4407-21CPU23
878499170109,57cyclictest4407-21CPU23
878499170109,57cyclictest4407-21CPU23
878399170135,15cyclictest0-21swapper/223:57:1012
878399170135,15cyclictest0-21swapper/223:57:1012
878399170135,15cyclictest0-21swapper/223:57:1012
878399170134,16cyclictest0-21swapper/219:40:1212
878399170134,16cyclictest0-21swapper/219:40:1212
878399170131,26cyclictest0-21swapper/200:27:1712
878399170131,26cyclictest0-21swapper/200:27:1712
878399170131,26cyclictest0-21swapper/200:27:1612
878399170124,21cyclictest0-21swapper/223:34:3012
878399170124,21cyclictest0-21swapper/223:34:3012
878399170103,52cyclictest4408-21CPU12
878399170103,52cyclictest4408-21CPU12
88239916942,117cyclictest2466-21CPU30
88239916942,117cyclictest2466-21CPU30
881399169156,11cyclictest0-21swapper/2821:21:1621
881399169156,11cyclictest0-21swapper/2821:21:1521
880899169156,12cyclictest0-21swapper/2320:39:2616
880899169156,12cyclictest0-21swapper/2320:39:2516
880699169160,5cyclictest0-21swapper/2120:38:0914
880699169160,5cyclictest0-21swapper/2120:38:0914
880299169147,13cyclictest171rcu_preempt22:38:3610
880299169147,13cyclictest171rcu_preempt22:38:3610
8795991691,161cyclictest0-21swapper/1300:32:395
8795991691,161cyclictest0-21swapper/1300:32:385
878599169122,40cyclictest4408-21CPU34
878599169122,40cyclictest4408-21CPU34
878599169122,40cyclictest4408-21CPU34
878399169164,4cyclictest0-21swapper/220:18:1612
878399169164,4cyclictest0-21swapper/220:18:1612
878399169131,21cyclictest0-21swapper/220:42:0112
878399169131,21cyclictest0-21swapper/220:42:0112
878399169123,38cyclictest0-21swapper/200:21:4412
878399169123,38cyclictest0-21swapper/200:21:4312
878399169121,19cyclictest0-21swapper/221:00:5312
878399169121,19cyclictest0-21swapper/221:00:5312
878399169116,34cyclictest3544-21CPU12
878399169116,34cyclictest3544-21CPU12
878199169158,5cyclictest0-21swapper/021:40:290
878199169158,5cyclictest0-21swapper/021:40:290
882499168164,2cyclictest0-21swapper/3721:40:1731
882499168164,2cyclictest0-21swapper/3721:40:1731
881399168115,44cyclictest0-21swapper/2823:49:2121
881399168115,44cyclictest0-21swapper/2823:49:2121
881399168115,44cyclictest0-21swapper/2823:49:2121
880899168160,5cyclictest0-21swapper/2300:05:0116
880899168160,5cyclictest0-21swapper/2300:05:0116
880899168158,7cyclictest0-21swapper/2319:50:3516
880899168158,7cyclictest0-21swapper/2319:50:3516
880899168157,6cyclictest0-21swapper/2320:00:4216
880899168157,6cyclictest0-21swapper/2320:00:4216
880299168165,2cyclictest0-21swapper/1800:40:0510
880299168165,2cyclictest0-21swapper/1800:40:0510
880299168165,2cyclictest0-21swapper/1800:40:0410
878999168158,8cyclictest0-21swapper/823:49:3438
878999168158,8cyclictest0-21swapper/823:49:3438
878999168158,8cyclictest0-21swapper/823:49:3438
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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