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2026-04-01 - 22:39
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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 Wed Apr 01, 2026 13:03:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
279399230216,12cyclictest0-21swapper/2311:05:2016
279399230216,12cyclictest0-21swapper/2311:05:1916
279399230216,12cyclictest0-21swapper/2311:05:1916
279399215204,7cyclictest0-21swapper/2310:14:5316
279399215204,7cyclictest0-21swapper/2310:14:5316
279399215204,7cyclictest0-21swapper/2310:14:5316
279399214198,12cyclictest0-21swapper/2311:35:2216
279399214198,12cyclictest0-21swapper/2311:35:2116
279399210199,8cyclictest0-21swapper/2311:00:2216
279399210199,8cyclictest0-21swapper/2311:00:2216
279399210199,8cyclictest0-21swapper/2311:00:2216
279399208198,8cyclictest0-21swapper/2312:34:0316
279399208198,8cyclictest0-21swapper/2312:34:0316
279299206199,6cyclictest0-21swapper/2210:25:3615
279299206199,6cyclictest0-21swapper/2210:25:3615
279299206199,6cyclictest0-21swapper/2210:25:3515
279399201192,6cyclictest1-21systemd10:54:1116
279399201192,6cyclictest1-21systemd10:54:1016
279399201192,6cyclictest1-21systemd10:54:1016
279399198191,4cyclictest0-21swapper/2312:40:0116
279399198191,4cyclictest0-21swapper/2312:40:0016
279399197192,4cyclictest0-21swapper/2312:02:4116
279399197192,4cyclictest0-21swapper/2312:02:4116
279399197192,4cyclictest0-21swapper/2312:02:4016
279399197189,6cyclictest0-21swapper/2310:31:4616
279399197189,6cyclictest0-21swapper/2310:31:4516
279399197189,6cyclictest0-21swapper/2310:31:4516
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196190,4cyclictest9175-21systemd-cgroups11:24:1816
279399196161,27cyclictest0-21swapper/2310:36:5716
279399196161,27cyclictest0-21swapper/2310:36:5616
279399196161,27cyclictest0-21swapper/2310:36:5616
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195192,2cyclictest0-21swapper/2312:20:4416
279399195188,5cyclictest0-21swapper/2312:08:4316
279399195188,5cyclictest0-21swapper/2312:08:4316
279399195188,5cyclictest0-21swapper/2312:08:4216
279399195185,7cyclictest0-21swapper/2311:51:1616
279399195185,7cyclictest0-21swapper/2311:51:1616
276999195188,6cyclictest0-21swapper/210:25:3612
276999195188,6cyclictest0-21swapper/210:25:3612
276999195188,6cyclictest0-21swapper/210:25:3612
279399193183,8cyclictest0-21swapper/2310:41:0816
279399193183,8cyclictest0-21swapper/2310:41:0816
279399193183,8cyclictest0-21swapper/2310:41:0816
279299193188,3cyclictest0-21swapper/2210:45:2015
279299193188,3cyclictest0-21swapper/2210:45:2015
276999193187,4cyclictest0-21swapper/210:17:0512
276999193187,4cyclictest0-21swapper/210:17:0512
279399192185,4cyclictest0-21swapper/2311:43:5316
279399192185,4cyclictest0-21swapper/2311:43:5316
279399192185,4cyclictest0-21swapper/2311:43:5316
279399191180,9cyclictest17533-21systemd-cgroups10:56:0616
279399191180,9cyclictest17533-21systemd-cgroups10:56:0616
279399191180,9cyclictest17533-21systemd-cgroups10:56:0516
279399191174,13cyclictest0-21swapper/2311:18:0916
279399191174,13cyclictest0-21swapper/2311:18:0916
279299191177,7cyclictest0-21swapper/2209:28:4815
279299191177,7cyclictest0-21swapper/2209:28:4815
279299191177,7cyclictest0-21swapper/2209:28:4815
279399190182,5cyclictest0-21swapper/2310:45:1416
279399190182,5cyclictest0-21swapper/2310:45:1416
279399190181,7cyclictest0-21swapper/2311:27:0616
279399190181,7cyclictest0-21swapper/2311:27:0616
278799189179,8cyclictest0-21swapper/1708:45:049
278799189179,8cyclictest0-21swapper/1708:45:049
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:55:0916
279399188181,5cyclictest0-21swapper/2311:47:1216
279399188181,5cyclictest0-21swapper/2311:47:1216
279399188181,5cyclictest0-21swapper/2311:47:1216
279299188170,14cyclictest17484-21nfsd07:20:2115
279399187180,5cyclictest0-21swapper/2312:27:3916
279399187180,5cyclictest0-21swapper/2312:27:3816
277699187181,4cyclictest0-21swapper/807:49:5938
279399186180,4cyclictest0-21swapper/2311:11:5016
279399186180,4cyclictest0-21swapper/2311:11:4916
279299185173,8cyclictest0-21swapper/2210:13:2415
279299185173,8cyclictest0-21swapper/2210:13:2315
279299185173,8cyclictest0-21swapper/2210:13:2315
279299185173,7cyclictest0-21swapper/2208:28:4715
279299185173,7cyclictest0-21swapper/2208:28:4715
277599185172,2cyclictest0-21swapper/709:48:0837
277599185172,2cyclictest0-21swapper/709:48:0837
277599185172,2cyclictest0-21swapper/709:48:0837
281099184174,8cyclictest0-21swapper/3612:23:4130
281099184174,8cyclictest0-21swapper/3612:23:4130
281099184174,8cyclictest0-21swapper/3612:23:4030
276999184176,6cyclictest0-21swapper/209:39:1212
276999184176,6cyclictest0-21swapper/209:39:1212
276999184176,6cyclictest0-21swapper/209:39:1212
279399183176,5cyclictest0-21swapper/2312:17:3416
279399183176,5cyclictest0-21swapper/2312:17:3416
278199183149,23cyclictest0-21swapper/1309:16:075
278199183149,23cyclictest0-21swapper/1309:16:075
276999183169,10cyclictest0-21swapper/209:12:2712
276999183169,10cyclictest0-21swapper/209:12:2612
276999183169,10cyclictest0-21swapper/209:12:2612
276899183173,6cyclictest0-21swapper/108:14:551
276899183173,6cyclictest0-21swapper/108:14:551
281199181166,13cyclictest0-21swapper/3709:58:4331
281199181166,13cyclictest0-21swapper/3709:58:4331
280499181155,21cyclictest0-21swapper/3308:59:5327
280499181155,21cyclictest0-21swapper/3308:59:5327
279399181173,5cyclictest0-21swapper/2312:11:1416
279399181173,5cyclictest0-21swapper/2312:11:1316
276899180172,3cyclictest3544-21CPU1
276899180172,3cyclictest3544-21CPU1
276899180166,10cyclictest0-21swapper/111:04:341
276899180166,10cyclictest0-21swapper/111:04:341
276899180166,10cyclictest0-21swapper/111:04:341
279299179170,5cyclictest0-21swapper/2208:25:0015
279299179170,5cyclictest0-21swapper/2208:25:0015
279299179170,5cyclictest0-21swapper/2208:25:0015
281199178117,49cyclictest2456-21CPU31
281199178117,49cyclictest2456-21CPU31
278399178128,26cyclictest3548-21CPU6
278399178128,26cyclictest3548-21CPU6
278399178128,26cyclictest3548-21CPU6
278199178135,40cyclictest0-21swapper/1309:34:295
278199178135,40cyclictest0-21swapper/1309:34:295
276999178165,7cyclictest0-21swapper/210:01:5512
276999178165,7cyclictest0-21swapper/210:01:5512
276999178165,7cyclictest0-21swapper/210:01:5412
276999177171,4cyclictest0-21swapper/210:12:5912
276999177171,4cyclictest0-21swapper/210:12:5912
276999177171,4cyclictest0-21swapper/210:12:5912
281099176161,10cyclictest0-21swapper/3610:13:0430
281099176161,10cyclictest0-21swapper/3610:13:0430
281099176161,10cyclictest0-21swapper/3610:13:0330
280699176162,13cyclictest0-21swapper/3412:37:1328
280699176162,13cyclictest0-21swapper/3412:37:1228
279299176166,8cyclictest0-21swapper/2211:57:2115
279299176166,8cyclictest0-21swapper/2211:57:2115
279299176166,8cyclictest0-21swapper/2211:57:2015
279299176164,11cyclictest0-21swapper/2211:39:2115
279299176164,11cyclictest0-21swapper/2211:39:2115
277999176171,3cyclictest0-21swapper/1110:30:143
277999176171,3cyclictest0-21swapper/1110:30:143
277999176171,3cyclictest0-21swapper/1110:30:143
277699176168,5cyclictest0-21swapper/807:50:2038
277699176168,5cyclictest0-21swapper/807:50:1938
276999176167,7cyclictest17293-21sshd09:31:1112
276999176167,7cyclictest17293-21sshd09:31:1112
276999176157,13cyclictest0-21swapper/209:24:2412
276999176157,13cyclictest0-21swapper/209:24:2412
276999176157,13cyclictest0-21swapper/209:24:2312
281199175150,12cyclictest0-21swapper/3712:29:3831
281199175150,12cyclictest0-21swapper/3712:29:3831
279399175166,6cyclictest0-21swapper/2308:50:3216
279399175166,6cyclictest0-21swapper/2308:50:3216
276999175167,6cyclictest0-21swapper/209:25:4512
276999175167,6cyclictest0-21swapper/209:25:4512
276999175167,6cyclictest0-21swapper/209:25:4512
1578421750,1sleep27239-21ksoftirqd/2710:49:1120
1578421750,1sleep27239-21ksoftirqd/2710:49:1020
277699174157,11cyclictest171rcu_preempt12:04:3438
277699174157,11cyclictest171rcu_preempt12:04:3438
277699174157,11cyclictest171rcu_preempt12:04:3338
281199173112,42cyclictest0-21swapper/3708:30:2131
281199173112,42cyclictest0-21swapper/3708:30:2131
27939917378,51cyclictest0-21swapper/2310:03:3116
27939917378,51cyclictest0-21swapper/2310:03:3116
27939917378,51cyclictest0-21swapper/2310:03:3116
277699173156,6cyclictest0-21swapper/809:22:3038
277699173156,6cyclictest0-21swapper/809:22:3038
277699173156,6cyclictest0-21swapper/809:22:2938
276999173167,4cyclictest0-21swapper/209:50:4512
276999173167,4cyclictest0-21swapper/209:50:4512
276999173164,6cyclictest0-21swapper/209:15:1212
276999173164,6cyclictest0-21swapper/209:15:1112
279399172161,9cyclictest0-21swapper/2311:33:0716
279399172161,9cyclictest0-21swapper/2311:33:0716
279299172158,10cyclictest0-21swapper/2210:02:1415
279299172158,10cyclictest0-21swapper/2210:02:1415
279299172158,10cyclictest0-21swapper/2210:02:1415
277399172146,13cyclictest0-21swapper/511:25:4835
277399172146,13cyclictest0-21swapper/511:25:4835
276999172164,6cyclictest0-21swapper/210:05:1612
276999172164,6cyclictest0-21swapper/210:05:1612
278199171133,31cyclictest0-21swapper/1310:15:365
278199171133,31cyclictest0-21swapper/1310:15:365
276999171165,5cyclictest0-21swapper/210:21:1712
276999171165,5cyclictest0-21swapper/210:21:1612
276999171164,5cyclictest0-21swapper/209:56:3712
276999171164,5cyclictest0-21swapper/209:56:3712
276999171150,16cyclictest0-21swapper/209:48:4112
276999171150,16cyclictest0-21swapper/209:48:4112
276999171150,16cyclictest0-21swapper/209:48:4112
276899171153,14cyclictest0-21swapper/112:35:521
276899171153,14cyclictest0-21swapper/112:35:511
281199170161,5cyclictest0-21swapper/3711:42:5331
281199170161,5cyclictest0-21swapper/3711:42:5331
281199170161,5cyclictest0-21swapper/3711:42:5331
281099170161,7cyclictest0-21swapper/3611:05:3630
281099170161,7cyclictest0-21swapper/3611:05:3530
281099170161,7cyclictest0-21swapper/3611:05:3530
280499170112,51cyclictest0-21swapper/3310:23:4027
280499170112,51cyclictest0-21swapper/3310:23:3927
278599170155,12cyclictest2459-21CPU7
278599170155,12cyclictest2459-21CPU7
278599170155,12cyclictest2459-21CPU7
278199170133,31cyclictest0-21swapper/1311:50:315
278199170133,31cyclictest0-21swapper/1311:50:305
277699170156,11cyclictest0-21swapper/812:23:0038
277699170156,11cyclictest0-21swapper/812:22:5938
277699170156,11cyclictest0-21swapper/812:22:5938
276999170159,10cyclictest0-21swapper/209:43:4712
276999170159,10cyclictest0-21swapper/209:43:4712
276999170159,10cyclictest0-21swapper/209:43:4612
281199169159,7cyclictest0-21swapper/3711:16:5731
281199169159,7cyclictest0-21swapper/3711:16:5731
279399169166,2cyclictest0-21swapper/2308:13:2016
279399169166,2cyclictest0-21swapper/2308:13:2016
279299169164,4cyclictest0-21swapper/2207:38:3415
279299169164,4cyclictest0-21swapper/2207:38:3415
279299169162,5cyclictest0-21swapper/2207:20:0215
279299169162,3cyclictest2447-21CPU15
279299169162,3cyclictest2447-21CPU15
279299169161,6cyclictest0-21swapper/2207:53:3015
279299169161,6cyclictest0-21swapper/2207:53:3015
279299169156,12cyclictest0-21swapper/2212:32:3315
279299169156,12cyclictest0-21swapper/2212:32:3215
278199169127,37cyclictest0-21swapper/1310:03:265
278199169127,37cyclictest0-21swapper/1310:03:265
278199169127,37cyclictest0-21swapper/1310:03:265
277699169120,34cyclictest3610-21CPU38
277699169120,34cyclictest3610-21CPU38
279399168162,4cyclictest0-21swapper/2308:47:0616
279399168162,4cyclictest0-21swapper/2308:47:0616
279299168162,4cyclictest0-21swapper/2208:00:0215
279299168162,4cyclictest0-21swapper/2208:00:0115
279299168155,10cyclictest0-21swapper/2208:42:3415
278399168156,11cyclictest0-21swapper/1410:59:216
278399168156,11cyclictest0-21swapper/1410:59:216
278399168156,11cyclictest0-21swapper/1410:59:206
277699168128,15cyclictest0-21swapper/810:10:4638
277699168128,15cyclictest0-21swapper/810:10:4638
277699168128,15cyclictest0-21swapper/810:10:4638
277699168119,41cyclictest2459-21CPU38
277699168119,41cyclictest2459-21CPU38
277699168119,41cyclictest2459-21CPU38
278599167163,3cyclictest0-21swapper/1510:57:447
278599167163,3cyclictest0-21swapper/1510:57:447
278599167163,3cyclictest0-21swapper/1510:57:447
277699167123,32cyclictest3610-21CPU38
277699167123,32cyclictest3610-21CPU38
277699167123,32cyclictest3610-21CPU38
277399167133,30cyclictest0-21swapper/511:02:1635
277399167133,30cyclictest0-21swapper/511:02:1635
277399167133,30cyclictest0-21swapper/511:02:1535
281199166144,11cyclictest0-21swapper/3711:22:5831
281199166144,11cyclictest0-21swapper/3711:22:5831
281199166144,11cyclictest0-21swapper/3711:22:5831
280399166128,29cyclictest17484-21nfsd07:15:2026
280399166106,39cyclictest0-21swapper/3211:39:5626
280399166106,39cyclictest0-21swapper/3211:39:5526
279699166137,26cyclictest0-21swapper/2609:16:0819
279699166137,26cyclictest0-21swapper/2609:16:0819
279199166156,7cyclictest0-21swapper/2112:02:4214
279199166156,7cyclictest0-21swapper/2112:02:4214
279199166156,7cyclictest0-21swapper/2112:02:4214
278599166152,12cyclictest0-21swapper/1509:35:297
278599166152,12cyclictest0-21swapper/1509:35:297
278599166152,12cyclictest0-21swapper/1509:35:297
27779916611,150cyclictest3544-21CPU39
27779916611,150cyclictest3544-21CPU39
277699166132,19cyclictest0-21swapper/811:23:4238
277699166132,19cyclictest0-21swapper/811:23:4238
277699166132,19cyclictest0-21swapper/811:23:4238
281299165143,5cyclictest0-21swapper/3812:36:1132
281299165143,5cyclictest0-21swapper/3812:36:1032
280199165134,6cyclictest0-21swapper/3010:24:1224
280199165134,6cyclictest0-21swapper/3010:24:1224
279399165137,17cyclictest2456-21CPU16
279399165137,17cyclictest2456-21CPU16
279399165137,17cyclictest2456-21CPU16
279399165132,13cyclictest171rcu_preempt07:55:3216
279399165132,13cyclictest171rcu_preempt07:55:3216
279299165117,18cyclictest0-21swapper/2211:15:1815
279299165117,18cyclictest0-21swapper/2211:15:1815
278399165127,25cyclictest0-21swapper/1408:40:356
276899165140,12cyclictest171rcu_preempt08:04:111
276899165140,12cyclictest171rcu_preempt08:04:101
279299164157,3cyclictest2454-21CPU15
278599164137,7cyclictest171rcu_preempt12:12:097
278599164137,7cyclictest171rcu_preempt12:12:097
278599164108,26cyclictest0-21swapper/1510:34:107
278599164108,26cyclictest0-21swapper/1510:34:097
278599164108,26cyclictest0-21swapper/1510:34:097
277699164105,45cyclictest4407-21CPU38
277699164105,45cyclictest4407-21CPU38
277699164105,45cyclictest4407-21CPU38
276999164150,10cyclictest0-21swapper/210:30:4112
276999164150,10cyclictest0-21swapper/210:30:4012
276999164150,10cyclictest0-21swapper/210:30:4012
279399163158,4cyclictest0-21swapper/2308:55:5716
279399163158,4cyclictest0-21swapper/2308:55:5616
279299163157,4cyclictest0-21swapper/2208:00:4215
279299163157,4cyclictest0-21swapper/2208:00:4115
27919916351,33cyclictest0-21swapper/2110:15:1414
27919916351,33cyclictest0-21swapper/2110:15:1414
279199163146,12cyclictest0-21swapper/2109:41:4814
279199163146,12cyclictest0-21swapper/2109:41:4814
279199163146,12cyclictest0-21swapper/2109:41:4714
277699163130,12cyclictest0-21swapper/810:09:1438
277699163130,12cyclictest0-21swapper/810:09:1438
277599163147,15cyclictest0-21swapper/710:03:5737
277599163147,15cyclictest0-21swapper/710:03:5737
277599163147,15cyclictest0-21swapper/710:03:5737
281299162145,7cyclictest0-21swapper/3810:51:3832
281299162145,7cyclictest0-21swapper/3810:51:3832
281299162145,7cyclictest0-21swapper/3810:51:3832
281299162137,12cyclictest0-21swapper/3810:00:4832
281299162137,12cyclictest0-21swapper/3810:00:4832
281299162137,12cyclictest0-21swapper/3810:00:4832
280399162133,16cyclictest0-21swapper/3210:24:5026
280399162133,16cyclictest0-21swapper/3210:24:5026
279399162115,16cyclictest0-21swapper/2309:43:2116
279399162115,16cyclictest0-21swapper/2309:43:2116
279399162115,16cyclictest0-21swapper/2309:43:2116
279299162107,41cyclictest2466-21CPU15
279299162107,41cyclictest2466-21CPU15
278599162132,16cyclictest0-21swapper/1512:39:487
278599162132,16cyclictest0-21swapper/1512:39:477
278399162128,21cyclictest0-21swapper/1410:08:276
278399162128,21cyclictest0-21swapper/1410:08:276
278399162115,25cyclictest0-21swapper/1408:28:516
278399162115,25cyclictest0-21swapper/1408:28:516
277699162129,15cyclictest0-21swapper/811:58:5038
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276999162147,10cyclictest0-21swapper/210:39:0712
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28119916198,50cyclictest3545-21CPU31
281199161146,13cyclictest0-21swapper/3710:59:2231
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277599161151,8cyclictest0-21swapper/711:30:2637
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276899161148,8cyclictest0-21swapper/110:03:551
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276899161110,39cyclictest3541-21CPU1
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