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2026-05-23 - 06:39
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack0slot2.osadl.org (updated Sat May 23, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
132748525948,7sleep50-21swapper/519:02:355
1336917995754,2cyclictest1435640-21ntpq19:52:517
133661924737,7sleep40-21swapper/419:07:164
1336912994543,2cyclictest1919338-21kworker/u16:0+flush-8:000:07:525
13365382432,36sleep70-21swapper/719:06:067
628089400,33rtkit-daemon0-21swapper/619:03:256
1336910994038,2cyclictest1666027-21kworker/u16:0+events_unbound22:11:454
1336917993934,4cyclictest1861533-21latency_hist23:07:287
1336917993836,1cyclictest2053856-21sh00:25:397
1336917993836,1cyclictest1763033-21ssh22:24:247
1336917993736,0cyclictest0-21swapper/723:08:247
1336910993734,2cyclictest1666027-21kworker/u16:0+flush-8:021:57:394
1336917993634,1cyclictest1801585-21ssh22:42:367
1336917993634,1cyclictest1571062-21diskmemload23:15:457
1336910993634,2cyclictest1726103-21kworker/u16:1+events_unbound22:30:194
1336917993534,0cyclictest0-21swapper/723:19:117
1336917993533,1cyclictest1920289-21ssh23:29:157
1336916993533,2cyclictest1883364-21kworker/u16:1+events_unbound00:17:116
1336910993533,2cyclictest1919338-21kworker/u16:0+events_unbound00:02:244
1336917993433,0cyclictest0-21swapper/723:41:357
1336917993433,0cyclictest0-21swapper/721:18:247
1336917993433,0cyclictest0-21swapper/700:20:117
1336917993429,4cyclictest1970308-21latency_hist23:52:277
1336910993432,2cyclictest1919338-21kworker/u16:0+events_unbound23:41:274
1336910993432,2cyclictest1919338-21kworker/u16:0+events_unbound00:10:524
1336910993432,2cyclictest1919338-21kworker/u16:0+events_unbound00:06:364
1336910993432,2cyclictest1883364-21kworker/u16:1+events_unbound23:55:554
1336910993432,2cyclictest1883364-21kworker/u16:1+events_unbound23:55:554
1336910993432,2cyclictest1740112-21kworker/u16:2+flush-8:022:33:154
1336910993432,2cyclictest1740112-21kworker/u16:2+events_unbound22:50:394
1336917993332,0cyclictest0-21swapper/723:25:477
1336917993332,0cyclictest0-21swapper/721:08:367
1336917993332,0cyclictest0-21swapper/700:33:447
1336917993332,0cyclictest0-21swapper/700:02:117
1336916993331,2cyclictest1317902-21kworker/u16:3+flush-8:020:02:286
1336912993331,2cyclictest1883364-21kworker/u16:1+flush-8:023:57:115
1336912993331,2cyclictest1883364-21kworker/u16:1+flush-8:023:57:115
1336912993331,2cyclictest1834978-21kworker/u16:3+events_unbound22:57:235
1336912993331,2cyclictest1740112-21kworker/u16:2+flush-8:022:27:595
1336910993332,1cyclictest1619346-21kworker/u16:6+events_unbound21:40:044
1336917993231,0cyclictest0-21swapper/723:44:097
1336917993231,0cyclictest0-21swapper/722:18:287
1336917993231,0cyclictest0-21swapper/721:55:407
1336917993231,0cyclictest0-21swapper/721:35:367
1336917993231,0cyclictest0-21swapper/721:29:447
1336917993230,1cyclictest1571062-21diskmemload22:31:037
1336917993229,2cyclictest1666926-21ssh21:46:007
1336912993230,2cyclictest1666027-21kworker/u16:0+events_unbound22:04:395
1336910993230,2cyclictest1883364-21kworker/u16:1+flush-8:000:22:594
1336910993230,2cyclictest1446246-21kworker/u16:1+flush-8:020:52:234
1336917993130,0cyclictest0-21swapper/721:49:407
1336917993130,0cyclictest0-21swapper/700:11:137
1336917993130,0cyclictest0-21swapper/700:03:157
1336917993129,1cyclictest1702680-21ssh22:00:047
1336917993128,2cyclictest1847679-21rm22:59:117
1336912993129,2cyclictest1899557-21kworker/u16:2+events_unbound23:48:005
1336912993129,2cyclictest1446246-21kworker/u16:1+flush-8:021:07:515
1336910993129,2cyclictest1899557-21kworker/u16:2+events_unbound23:43:284
1336910993129,2cyclictest1726103-21kworker/u16:1+events_unbound23:00:374
1336917993029,0cyclictest0-21swapper/722:04:297
1336912993028,2cyclictest2078051-21kworker/u16:1+events_unbound00:37:235
1336912993028,2cyclictest1883364-21kworker/u16:1+events_unbound00:21:515
1336912993028,2cyclictest1666027-21kworker/u16:0+events_unbound23:10:235
1336910993029,1cyclictest1532950-21kworker/u16:3+events_unbound21:26:524
1336910993028,2cyclictest1883364-21kworker/u16:1+events_unbound23:15:594
1336910993028,2cyclictest1834978-21kworker/u16:3+events_unbound22:53:274
1336910993028,2cyclictest1726103-21kworker/u16:1+events_unbound23:04:234
1336910993028,2cyclictest1666027-21kworker/u16:0+events_unbound23:20:154
1336910993028,2cyclictest1465673-21kworker/u16:2+flush-8:021:56:554
1336910993028,2cyclictest1465673-21kworker/u16:2+flush-8:021:28:324
1336917992928,0cyclictest0-21swapper/722:35:457
1336917992928,0cyclictest0-21swapper/721:38:087
1336917992927,1cyclictest1025-21runrttasks22:39:037
1336916992927,2cyclictest1883364-21kworker/u16:1+flush-8:000:23:156
1336912992927,2cyclictest1532950-21kworker/u16:3+events_unbound21:34:295
1336912992926,2cyclictest1446246-21kworker/u16:1+events_unbound21:42:405
1336910992927,2cyclictest1883364-21kworker/u16:1+flush-8:000:18:124
1336910992927,2cyclictest1532950-21kworker/u16:3+events_unbound21:18:284
1336910992927,2cyclictest1532950-21kworker/u16:3+events_unbound21:11:364
1336910992927,2cyclictest1465673-21kworker/u16:2+flush-8:021:44:244
1336910992927,2cyclictest1446246-21kworker/u16:1+flush-8:020:57:124
1336917992827,0cyclictest0-21swapper/723:36:287
1336917992827,0cyclictest0-21swapper/722:14:337
1336917992826,1cyclictest0-21swapper/721:24:407
1336917992825,2cyclictest2029008-21ssh00:14:217
1336912992826,2cyclictest1883364-21kworker/u16:1+events_unbound23:21:375
1336912992826,2cyclictest1666027-21kworker/u16:0+events_unbound21:58:325
1336912992826,2cyclictest1619346-21kworker/u16:6+events_unbound21:38:495
1336910992826,2cyclictest1899557-21kworker/u16:2+events_unbound23:49:364
1336910992826,2cyclictest1883364-21kworker/u16:1+events_unbound00:27:314
1336910992826,2cyclictest1789022-21kworker/u16:3+flush-8:022:43:074
1336910992826,2cyclictest1740112-21kworker/u16:2+events_unbound22:26:234
1336910992826,2cyclictest1740112-21kworker/u16:2+events_unbound22:16:564
1336910992826,2cyclictest1726103-21kworker/u16:1+events_unbound22:20:434
1336910992826,2cyclictest1666027-21kworker/u16:0+events_unbound21:49:384
1336917992726,0cyclictest0-21swapper/723:55:517
1336917992726,0cyclictest0-21swapper/723:55:517
1336917992726,0cyclictest0-21swapper/722:08:597
1336917992726,0cyclictest0-21swapper/719:21:377
1336917992726,0cyclictest0-21swapper/700:31:007
1336917992721,5cyclictest1503793-21latency_hist20:32:287
1336916992725,2cyclictest1465673-21kworker/u16:2+events_unbound21:44:106
1336912992725,2cyclictest1883364-21kworker/u16:1+flush-8:023:38:205
1336912992724,2cyclictest1883364-21kworker/u16:1+flush-8:023:43:355
1336910992725,2cyclictest1861573-21kworker/u16:3+events_unbound23:25:554
1336910992725,2cyclictest1666027-21kworker/u16:0+events_unbound22:06:524
1336910992725,2cyclictest1532950-21kworker/u16:3+events_unbound21:14:244
1336917992625,0cyclictest0-21swapper/721:13:487
1336912992624,2cyclictest1970583-21kworker/u16:3+events_unbound00:02:595
1336912992624,2cyclictest1883364-21kworker/u16:1+events_unbound00:24:155
1336912992624,2cyclictest1861573-21kworker/u16:3+events_unbound23:27:275
1336912992624,2cyclictest1726103-21kworker/u16:1+events_unbound22:35:385
1336910992624,2cyclictest1899557-21kworker/u16:2+flush-8:023:33:034
1336910992624,2cyclictest1883364-21kworker/u16:1+events_unbound23:29:484
1336910992624,2cyclictest1789022-21kworker/u16:3+events_unbound22:40:234
133691799250,23cyclictest1234-21snmpd22:57:287
1336912992524,1cyclictest1726103-21kworker/u16:1+events_unbound23:06:155
1336912992523,2cyclictest1919338-21kworker/u16:0+flush-8:000:12:595
1336912992523,2cyclictest1666027-21kworker/u16:0+flush-8:022:47:235
1336912992523,2cyclictest1666027-21kworker/u16:0+events_unbound22:11:285
1336912992522,2cyclictest1465673-21kworker/u16:2+events_unbound20:32:365
1336910992523,2cyclictest1317902-21kworker/u16:3+events_unbound20:02:384
1336917992420,3cyclictest1359721-21runrttasks19:16:397
1336917992418,5cyclictest1346385-21latency_hist19:12:297
1336916992422,2cyclictest1726103-21kworker/u16:1+flush-8:022:47:536
1336912992422,2cyclictest1883364-21kworker/u16:1+events_unbound23:36:035
1336912992422,2cyclictest1883364-21kworker/u16:1+events_unbound00:01:375
1336912992422,2cyclictest1726103-21kworker/u16:1+events_unbound22:25:385
1336912992422,2cyclictest1726103-21kworker/u16:1+events_unbound22:20:485
1336910992422,2cyclictest1919338-21kworker/u16:0+events_unbound00:16:074
1336910992421,2cyclictest1666027-21kworker/u16:0+events_unbound23:07:374
1336910992421,2cyclictest1446246-21kworker/u16:1+events_unbound21:32:364
1336917992322,0cyclictest0-21swapper/722:52:267
1336917992322,0cyclictest0-21swapper/720:47:377
1336917992322,0cyclictest0-21swapper/720:22:387
1336916992321,2cyclictest1726103-21kworker/u16:1+flush-8:022:58:326
1336916992320,2cyclictest1861573-21kworker/u16:3+flush-8:023:07:286
1336912992321,2cyclictest1883364-21kworker/u16:1+flush-8:023:16:275
1336912992321,2cyclictest1789022-21kworker/u16:3+events_unbound22:39:405
1336912992321,2cyclictest1740112-21kworker/u16:2+flush-8:022:17:045
1336912992321,2cyclictest1666027-21kworker/u16:0+events_unbound21:55:365
1336912992321,2cyclictest1666027-21kworker/u16:0+events_unbound21:51:245
1336912992321,2cyclictest1465673-21kworker/u16:2+flush-8:021:23:085
1336912992321,2cyclictest1446246-21kworker/u16:1+events_unbound21:32:285
1336912992321,2cyclictest1446246-21kworker/u16:1+events_unbound21:20:375
1336910992320,3cyclictest1288809-21kworker/u16:1+flush-8:019:27:444
1336917992221,0cyclictest0-21swapper/720:12:367
1336916992220,2cyclictest1919338-21kworker/u16:0+events_unbound00:17:466
1336916992220,2cyclictest1253574-21kworker/u16:0+flush-8:019:17:506
1336916992219,2cyclictest1970583-21kworker/u16:3+events_unbound23:52:456
1336916992219,2cyclictest1970583-21kworker/u16:3+events_unbound23:52:456
1336912992220,2cyclictest1861573-21kworker/u16:3+events_unbound23:27:465
1336912992220,2cyclictest1532950-21kworker/u16:3+flush-8:021:13:135
1336916992120,1cyclictest1446246-21kworker/u16:1+events_unbound21:50:046
1336916992119,2cyclictest1883364-21kworker/u16:1+events_unbound23:47:356
1336916992119,2cyclictest1740112-21kworker/u16:2+flush-8:022:57:006
1336916992118,2cyclictest1726103-21kworker/u16:1+flush-8:022:42:386
1336912992119,2cyclictest1970583-21kworker/u16:3+events_unbound00:27:425
1336912992119,2cyclictest1740112-21kworker/u16:2+events_unbound22:48:375
1336912992119,2cyclictest1726103-21kworker/u16:1+flush-8:023:02:075
1336910992119,2cyclictest1408000-21kworker/u16:2+events_unbound19:47:124
1336917992017,2cyclictest1379007-21munin-run19:27:297
1336916992018,2cyclictest1970583-21kworker/u16:3+flush-8:023:57:426
1336912992018,2cyclictest1317902-21kworker/u16:3+flush-8:020:02:555
1336910992018,2cyclictest1253574-21kworker/u16:0+flush-8:019:52:334
15727472190,0sleep60-21swapper/621:07:436
1336917991915,3cyclictest1234-21snmpd20:03:017
1336916991917,2cyclictest1532950-21kworker/u16:3+events_unbound21:17:256
1336916991917,2cyclictest1317902-21kworker/u16:3+flush-8:019:47:286
1336916991917,2cyclictest1317902-21kworker/u16:3+events_unbound19:32:426
1336912991917,2cyclictest1465673-21kworker/u16:2+flush-8:021:02:525
1336912991917,2cyclictest1446246-21kworker/u16:1+flush-8:020:42:545
1336912991917,2cyclictest1446246-21kworker/u16:1+flush-8:020:27:565
1336912991917,2cyclictest1446246-21kworker/u16:1+events_unbound20:15:385
1336910991918,1cyclictest1253574-21kworker/u16:0+events_unbound20:10:044
1336910991917,2cyclictest2064452-21kworker/u16:2+events_unbound00:36:484
1336910991917,2cyclictest1446246-21kworker/u16:1+events_unbound20:27:244
1336917991817,0cyclictest0-21swapper/721:02:347
1336917991817,0cyclictest0-21swapper/719:28:407
1336916991816,2cyclictest2078051-21kworker/u16:1+flush-8:000:35:596
1336916991816,2cyclictest1883364-21kworker/u16:1+flush-8:023:47:106
1336916991816,2cyclictest1666027-21kworker/u16:0+events_unbound21:59:386
1336916991816,2cyclictest1465673-21kworker/u16:2+flush-8:020:46:316
1336916991816,2cyclictest1446246-21kworker/u16:1+events_unbound20:17:476
1336910991816,2cyclictest1317902-21kworker/u16:3+flush-8:019:07:384
133691099180,17cyclictest1349796-21cut19:12:324
1336917991716,0cyclictest0-21swapper/719:48:407
1336917991715,1cyclictest0-21swapper/720:57:467
1336916991715,2cyclictest1899557-21kworker/u16:2+flush-8:023:27:596
1336916991715,2cyclictest1883364-21kworker/u16:1+flush-8:023:37:506
1336916991715,2cyclictest1883364-21kworker/u16:1+flush-8:000:27:566
1336916991715,2cyclictest1726103-21kworker/u16:1+flush-8:022:22:236
1336916991715,2cyclictest1532950-21kworker/u16:3+events_unbound21:23:376
1336912991715,2cyclictest1446246-21kworker/u16:1+flush-8:020:17:515
1336910991715,2cyclictest1465673-21kworker/u16:2+events_unbound20:36:374
1336917991615,0cyclictest0-21swapper/720:02:277
1336917991615,0cyclictest0-21swapper/719:32:337
1336916991614,2cyclictest1740112-21kworker/u16:2+flush-8:022:27:236
1336916991614,2cyclictest1666027-21kworker/u16:0+flush-8:023:17:286
1336916991613,2cyclictest1666027-21kworker/u16:0+flush-8:021:52:286
1336912991614,2cyclictest1465673-21kworker/u16:2+flush-8:020:22:535
1336917991514,0cyclictest0-21swapper/720:35:407
1336916991513,2cyclictest1970583-21kworker/u16:3+flush-8:000:12:286
1336916991513,2cyclictest1726103-21kworker/u16:1+events_unbound22:30:376
1336916991513,2cyclictest1691897-21kworker/u16:4+flush-8:022:07:596
1336916991513,2cyclictest1666027-21kworker/u16:0+flush-8:022:35:406
1336916991513,2cyclictest1465673-21kworker/u16:2+events_unbound21:17:596
1336916991513,2cyclictest1317902-21kworker/u16:3+flush-8:019:13:006
1336912991513,2cyclictest1465673-21kworker/u16:2+flush-8:020:58:385
1336910991513,2cyclictest1446246-21kworker/u16:1+events_unbound20:37:554
133691799140,13cyclictest0-21swapper/720:17:497
1336916991413,1cyclictest1446246-21kworker/u16:1+events_unbound21:06:176
1336916991412,2cyclictest1789022-21kworker/u16:3+events_unbound22:38:396
1336916991412,2cyclictest1666027-21kworker/u16:0+events_unbound22:02:406
1336916991412,2cyclictest1532950-21kworker/u16:3+events_unbound21:32:566
1336916991410,3cyclictest1898591-21tr23:22:386
133691699140,13cyclictest0-21swapper/619:52:326
1336910991412,2cyclictest1317902-21kworker/u16:3+events_unbound19:37:124
133691099140,14cyclictest0-21swapper/420:57:424
133691699139,3cyclictest1495417-21cat20:27:436
1336916991311,2cyclictest1899557-21kworker/u16:2+flush-8:023:32:456
1336916991311,2cyclictest1446246-21kworker/u16:1+flush-8:021:32:246
133691699130,13cyclictest0-21swapper/600:04:386
1336912991311,2cyclictest1532950-21kworker/u16:3+events_unbound20:52:405
133691099139,3cyclictest1465673-21kworker/u16:2+flush-8:020:12:454
1336910991312,1cyclictest0-21swapper/420:42:434
1336910991311,2cyclictest1288809-21kworker/u16:1+events_unbound19:17:554
133691799129,2cyclictest1234-21snmpd20:43:537
133691799129,2cyclictest1234-21snmpd19:40:097
133691799128,3cyclictest1234-21snmpd20:38:267
1336916991211,1cyclictest0-21swapper/622:16:196
1336916991210,2cyclictest1619346-21kworker/u16:6+events_unbound21:39:236
1336912991210,2cyclictest1317902-21kworker/u16:3+flush-8:019:37:505
1336910991211,1cyclictest1317902-21kworker/u16:3+events_unbound19:40:414
1336910991210,2cyclictest1253574-21kworker/u16:0+events_unbound19:57:334
133691799116,4cyclictest1234-21snmpd20:55:117
133691699119,2cyclictest1465673-21kworker/u16:2+flush-8:020:12:446
133691699119,2cyclictest1446246-21kworker/u16:1+flush-8:020:47:436
133691699119,2cyclictest1446246-21kworker/u16:1+flush-8:020:37:436
133691699119,2cyclictest1317902-21kworker/u16:3+events_unbound19:37:516
133691699119,2cyclictest1253574-21kworker/u16:0+events_unbound19:47:536
133691699117,3cyclictest1556989-21tr20:57:486
133691699117,3cyclictest1485619-21tune2fs20:22:426
1336916991110,1cyclictest0-21swapper/620:53:526
1336916991110,1cyclictest0-21swapper/620:34:576
133691699110,11cyclictest0-21swapper/619:12:206
133691299119,2cyclictest1317902-21kworker/u16:3+flush-8:019:52:415
133691299119,2cyclictest1317902-21kworker/u16:3+events_unbound19:57:515
133691299119,2cyclictest1317902-21kworker/u16:3+events_unbound19:07:455
133691299119,2cyclictest1288809-21kworker/u16:1+events_unbound19:22:385
133691299118,2cyclictest1446246-21kworker/u16:1+events_unbound20:37:375
133691299110,11cyclictest0-21swapper/520:11:035
133691099119,2cyclictest1317902-21kworker/u16:3+events_unbound20:17:554
133691099119,2cyclictest1317902-21kworker/u16:3+events_unbound19:22:564
133691799107,2cyclictest1234-21snmpd20:09:107
133691699109,1cyclictest0-21swapper/620:10:496
133691699109,1cyclictest0-21swapper/619:24:096
133691299109,1cyclictest0-21swapper/519:19:585
133691299108,2cyclictest1317902-21kworker/u16:3+flush-8:019:12:455
133691299108,2cyclictest1317902-21kworker/u16:3+events_unbound19:52:255
133691299108,1cyclictest0-21swapper/519:27:475
133691299106,3cyclictest1446246-21kworker/u16:1+flush-8:020:52:285
13369179996,2cyclictest1234-21snmpd19:42:487
13369169997,2cyclictest1740112-21kworker/u16:2+events_unbound23:02:326
13369169994,4cyclictest1447283-21tune2fs20:02:436
13369169990,4cyclictest1875154-21irqcore23:12:436
13369129997,1cyclictest0-21swapper/519:42:445
13369109997,2cyclictest1253574-21kworker/u16:0+events_unbound19:47:514
13369109996,2cyclictest1446246-21kworker/u16:1+flush-8:020:27:544
13369169986,2cyclictest1288809-21kworker/u16:1+events_unbound19:27:416
13369129986,1cyclictest0-21swapper/519:32:385
13369109985,2cyclictest1465673-21kworker/u16:2+flush-8:021:02:504
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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