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2026-08-05 - 06:43
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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 the highest latencies:
System rack0slot2.osadl.org (updated Wed Aug 05, 2026 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99511625620,31sleep70-21swapper/719:05:347
99532225140,8sleep40-21swapper/419:08:284
995632994539,5cyclictest1509850-21latency_hist23:03:347
995632994439,4cyclictest1377324-21latency_hist22:08:347
632489440,37rtkit-daemon0-21swapper/519:04:245
995628994139,2cyclictest1411812-21kworker/u16:3+flush-8:022:28:346
99531424131,7sleep60-21swapper/619:08:226
995623994036,3cyclictest1546416-21kworker/u16:1+flush-8:023:38:345
995628993835,2cyclictest976102-21kworker/u16:0+events_unbound20:48:366
995632993631,4cyclictest1244282-21latency_hist21:13:347
995628993432,2cyclictest1341109-21kworker/u16:0+events_unbound22:14:086
995628993431,2cyclictest1212883-21kworker/u16:1+events_unbound21:13:376
995632993332,0cyclictest0-21swapper/700:30:197
995632993331,1cyclictest1497568-21ssh22:58:087
995628993331,2cyclictest1642759-21kworker/u16:3+events_unbound00:36:446
995623993229,2cyclictest1115500-21kworker/u16:1+events_unbound20:18:525
995623993228,3cyclictest1304869-21kworker/u16:1+events_unbound21:54:005
995618993229,3cyclictest1341109-21kworker/u16:0+flush-8:022:14:164
995623993128,2cyclictest1437558-21kworker/u16:1+flush-8:022:58:525
995632993029,0cyclictest0-21swapper/723:16:197
995632993029,0cyclictest0-21swapper/723:04:197
995632993029,0cyclictest0-21swapper/722:41:247
995632993025,4cyclictest1125467-21latency_hist20:13:347
995632993025,4cyclictest1125467-21latency_hist20:13:347
995628993028,2cyclictest1618674-21kworker/u16:2+events_unbound23:53:236
995628993028,2cyclictest1389482-21kworker/u16:1+flush-8:022:19:126
995628993023,7cyclictest1546416-21kworker/u16:1+events_unbound23:42:406
995623993027,2cyclictest1582146-21kworker/u16:0+events_unbound23:43:485
995632992927,1cyclictest1076053-21/usr/sbin/munin19:44:017
995628992927,2cyclictest1642759-21kworker/u16:3+events_unbound00:12:446
995628992927,2cyclictest1582146-21kworker/u16:0+flush-8:023:35:446
995628992927,2cyclictest1498219-21kworker/u16:2+events_unbound23:31:456
995628992927,2cyclictest1437558-21kworker/u16:1+events_unbound22:54:246
995628992927,2cyclictest1341109-21kworker/u16:0+events_unbound22:02:326
995632992827,0cyclictest0-21swapper/723:47:397
995632992827,0cyclictest0-21swapper/721:55:117
995628992826,2cyclictest1546416-21kworker/u16:1+events_unbound23:53:406
995628992826,2cyclictest1546416-21kworker/u16:1+events_unbound00:29:526
995628992826,2cyclictest1317361-21kworker/u16:2+events_unbound22:35:076
995628992826,2cyclictest1304869-21kworker/u16:1+events_unbound21:55:566
995628992826,2cyclictest1304869-21kworker/u16:1+events_unbound21:40:456
995623992826,2cyclictest976102-21kworker/u16:0+events_unbound21:39:055
995623992826,2cyclictest911388-21kworker/u16:1+events_unbound19:24:055
995623992826,2cyclictest1037144-21kworker/u16:2+events_unbound19:49:005
995632992726,0cyclictest0-21swapper/723:26:207
995632992726,0cyclictest0-21swapper/722:02:117
995632992725,1cyclictest1232271-21diskmemload21:28:077
995628992725,2cyclictest1226754-21kworker/u16:2+events_unbound21:29:436
995628992725,2cyclictest1212883-21kworker/u16:1+events_unbound21:10:456
995623992725,2cyclictest1546416-21kworker/u16:1+flush-8:023:58:565
995632992625,0cyclictest0-21swapper/721:41:207
995632992625,0cyclictest0-21swapper/700:38:147
995632992622,2cyclictest1412994-21ssh22:22:467
995628992624,2cyclictest1498219-21kworker/u16:2+events_unbound23:06:016
995623992624,2cyclictest1461664-21kworker/u16:0+flush-8:022:48:505
995623992624,2cyclictest1341109-21kworker/u16:0+events_unbound22:08:485
995623992624,2cyclictest1212883-21kworker/u16:1+flush-8:021:09:255
995623992623,2cyclictest1115500-21kworker/u16:1+events_unbound20:28:485
14478062260,1chrt1447807-21sshd-session22:35:047
995632992523,1cyclictest0-21swapper/700:21:227
995632992523,1cyclictest0-21swapper/700:21:227
995628992523,2cyclictest1701244-21kworker/u16:4+events_unbound00:22:446
995628992523,2cyclictest1701244-21kworker/u16:4+events_unbound00:22:446
995628992523,2cyclictest1546416-21kworker/u16:1+events_unbound00:24:166
995628992523,2cyclictest1546416-21kworker/u16:1+events_unbound00:24:166
995628992523,2cyclictest1317361-21kworker/u16:2+flush-8:022:30:126
995628992523,2cyclictest1317361-21kworker/u16:2+flush-8:022:04:566
995632992423,0cyclictest0-21swapper/722:10:107
995632992423,0cyclictest0-21swapper/721:50:467
995632992422,1cyclictest1232271-21diskmemload23:20:227
995632992422,1cyclictest0-21swapper/700:02:007
995632992421,2cyclictest1423487-21ssh22:24:437
995628992422,2cyclictest1642759-21kworker/u16:3+events_unbound00:15:456
995628992422,2cyclictest1437558-21kworker/u16:1+events_unbound22:39:316
995628992422,2cyclictest1411812-21kworker/u16:3+flush-8:023:17:076
995628992422,2cyclictest1226754-21kworker/u16:2+flush-8:021:18:596
995632992322,0cyclictest0-21swapper/722:51:597
995632992322,0cyclictest0-21swapper/722:45:057
995632992322,0cyclictest0-21swapper/721:36:267
995632992322,0cyclictest0-21swapper/721:03:377
995632992322,0cyclictest0-21swapper/720:33:337
995632992322,0cyclictest0-21swapper/719:32:417
995632992322,0cyclictest0-21swapper/719:21:097
995632992321,1cyclictest0-21swapper/723:56:337
995632992321,1cyclictest0-21swapper/721:16:157
995628992321,2cyclictest976102-21kworker/u16:0+events_unbound19:19:086
995628992321,2cyclictest1546416-21kworker/u16:1+flush-8:023:20:126
995628992321,2cyclictest1546416-21kworker/u16:1+events_unbound23:44:596
995623992321,2cyclictest1618674-21kworker/u16:2+events_unbound23:53:585
995623992321,2cyclictest1411812-21kworker/u16:3+events_unbound22:33:475
12574022230,1sleep50-21swapper/521:18:485
995632992221,0cyclictest0-21swapper/723:42:057
995632992221,0cyclictest0-21swapper/723:32:207
995632992221,0cyclictest0-21swapper/700:17:027
995632992220,1cyclictest1399742-21ssh22:15:217
995628992220,2cyclictest976102-21kworker/u16:0+events_unbound21:28:016
995623992219,2cyclictest1317361-21kworker/u16:2+flush-8:022:18:345
995632992120,0cyclictest0-21swapper/723:37:537
995632992120,0cyclictest0-21swapper/700:05:467
995628992119,2cyclictest1618674-21kworker/u16:2+events_unbound00:01:086
995628992119,2cyclictest1546416-21kworker/u16:1+events_unbound00:06:366
995628992119,2cyclictest1498219-21kworker/u16:2+events_unbound23:12:206
995628992119,2cyclictest1437558-21kworker/u16:1+events_unbound23:01:006
995628992119,2cyclictest1317361-21kworker/u16:2+events_unbound21:49:396
995628992119,2cyclictest1226754-21kworker/u16:2+events_unbound21:36:216
995628992115,6cyclictest1341109-21kworker/u16:0+events_unbound22:09:216
995632992019,0cyclictest0-21swapper/723:11:307
995632992019,0cyclictest0-21swapper/722:30:397
995632992019,0cyclictest0-21swapper/721:32:507
995632992019,0cyclictest0-21swapper/721:23:277
995632992019,0cyclictest0-21swapper/720:43:047
995632992019,0cyclictest0-21swapper/719:49:217
995632992019,0cyclictest0-21swapper/719:11:017
995632992017,2cyclictest1105761-21taskset19:59:337
995632992015,4cyclictest1630285-21latency_hist23:53:347
995628992018,2cyclictest976102-21kworker/u16:0+events_unbound19:13:456
995628992018,2cyclictest911388-21kworker/u16:1+flush-8:019:24:036
995623992018,2cyclictest1193592-21kworker/u16:4+events_unbound20:48:525
995618992016,3cyclictest1642759-21kworker/u16:3+flush-8:000:28:334
995618992016,3cyclictest1642759-21kworker/u16:3+flush-8:000:28:334
995632991918,0cyclictest0-21swapper/720:56:297
995632991918,0cyclictest0-21swapper/720:53:207
995632991918,0cyclictest0-21swapper/720:44:577
995632991918,0cyclictest0-21swapper/720:26:007
995632991918,0cyclictest0-21swapper/720:23:247
995632991918,0cyclictest0-21swapper/719:42:007
995632991917,1cyclictest1676844-21ssh00:10:197
995628991917,2cyclictest1498219-21kworker/u16:2+flush-8:023:27:126
995628991917,2cyclictest1437558-21kworker/u16:1+events_unbound22:49:366
995628991917,2cyclictest1411812-21kworker/u16:3+events_unbound22:47:206
995628991917,2cyclictest1057530-21kworker/u16:3+events_unbound19:39:456
995618991917,2cyclictest1618674-21kworker/u16:2+events_unbound00:08:494
995632991817,0cyclictest0-21swapper/719:57:487
995632991815,2cyclictest1302-21snmpd20:07:387
995632991814,3cyclictest1302-21snmpd20:58:367
995628991816,2cyclictest976102-21kworker/u16:0+events_unbound20:47:456
995628991816,2cyclictest1244700-21kworker/u16:4+events_unbound21:44:366
995628991816,2cyclictest1164659-21kworker/u16:3+events_unbound20:36:086
995623991815,2cyclictest1411812-21kworker/u16:3+flush-8:022:38:405
99561899180,17cyclictest0-21swapper/423:23:564
995632991716,0cyclictest0-21swapper/720:14:177
995628991715,2cyclictest976102-21kworker/u16:0+flush-8:019:44:046
995628991715,2cyclictest976102-21kworker/u16:0+events_unbound19:48:446
995623991714,2cyclictest1546416-21kworker/u16:1+flush-8:023:24:155
995623991714,2cyclictest1244700-21kworker/u16:4+flush-8:021:43:465
995628991614,2cyclictest1057530-21kworker/u16:3+flush-8:019:59:026
995623991614,2cyclictest976102-21kworker/u16:0+flush-8:020:39:085
995623991614,2cyclictest1642759-21kworker/u16:3+flush-8:000:23:575
995623991614,2cyclictest1642759-21kworker/u16:3+flush-8:000:23:575
99561899160,15cyclictest0-21swapper/421:33:564
995632991512,2cyclictest1302-21snmpd00:25:227
995632991512,2cyclictest1302-21snmpd00:25:227
99563299150,13cyclictest0-21swapper/719:13:367
995628991513,2cyclictest1115500-21kworker/u16:1+flush-8:020:08:506
995628991513,2cyclictest1115500-21kworker/u16:1+flush-8:020:08:506
995628991513,2cyclictest1057530-21kworker/u16:3+flush-8:020:06:446
995628991512,2cyclictest976102-21kworker/u16:0+flush-8:020:14:036
995623991513,2cyclictest1642759-21kworker/u16:3+events_unbound00:08:575
995623991513,2cyclictest1546416-21kworker/u16:1+events_unbound00:28:535
99562399150,14cyclictest1546801-21cstates23:18:475
995618991514,1cyclictest0-21swapper/423:08:504
99561899150,1cyclictest0-21swapper/422:27:514
995632991411,2cyclictest1302-21snmpd21:47:257
99563299140,1cyclictest0-21swapper/720:33:597
995628991412,2cyclictest976102-21kworker/u16:0+flush-8:020:39:006
995623991412,2cyclictest1411812-21kworker/u16:3+events_unbound22:43:505
995623991412,2cyclictest1389482-21kworker/u16:1+events_unbound22:18:555
995623991412,2cyclictest1353617-21kworker/u16:3+flush-8:022:04:055
995623991411,2cyclictest1057530-21kworker/u16:3+flush-8:020:04:005
995618991413,1cyclictest0-21swapper/423:01:264
995618991413,1cyclictest0-21swapper/422:00:064
995618991413,1cyclictest0-21swapper/421:47:484
99561899140,1cyclictest0-21swapper/423:13:594
99561899140,14cyclictest0-21swapper/421:26:214
995628991312,1cyclictest0-21swapper/621:02:496
99562899130,1cyclictest0-21swapper/620:58:156
99562399139,3cyclictest1115500-21kworker/u16:1+flush-8:020:23:505
995623991312,1cyclictest0-21swapper/521:50:385
995623991312,1cyclictest0-21swapper/521:29:315
99562399130,6cyclictest0-21swapper/523:38:505
99562399130,1cyclictest0-21swapper/522:30:135
995618991312,1cyclictest0-21swapper/423:35:394
995618991312,1cyclictest0-21swapper/422:41:434
995618991312,1cyclictest0-21swapper/422:31:194
995618991312,1cyclictest0-21swapper/422:21:234
995618991312,1cyclictest0-21swapper/422:04:024
995618991312,1cyclictest0-21swapper/421:51:444
995618991312,1cyclictest0-21swapper/421:28:534
995618991312,1cyclictest0-21swapper/400:31:184
995618991312,1cyclictest0-21swapper/400:22:564
995618991312,1cyclictest0-21swapper/400:22:564
99561899130,13cyclictest0-21swapper/423:59:174
99561899130,13cyclictest0-21swapper/423:47:284
99561899130,13cyclictest0-21swapper/423:29:114
99561899130,13cyclictest0-21swapper/423:22:144
99561899130,13cyclictest0-21swapper/423:08:224
99563299129,2cyclictest1302-21snmpd19:35:497
995628991211,1cyclictest0-21swapper/619:56:176
99562899120,12cyclictest0-21swapper/620:20:536
995623991210,2cyclictest1642759-21kworker/u16:3+events_unbound00:19:015
995623991210,2cyclictest1642759-21kworker/u16:3+events_unbound00:19:015
995623991210,2cyclictest1212883-21kworker/u16:1+flush-8:021:13:565
99562399120,0cyclictest0-21swapper/522:56:145
995618991211,1cyclictest0-21swapper/422:57:294
995618991211,1cyclictest0-21swapper/421:10:074
995618991211,1cyclictest0-21swapper/400:06:424
99561899120,1cyclictest0-21swapper/421:53:594
99561899120,1cyclictest0-21swapper/420:06:254
99561899120,12cyclictest0-21swapper/419:38:314
99563299110,10cyclictest1038075-21turbostat19:28:347
99562899119,2cyclictest1226754-21kworker/u16:2+events_unbound21:07:456
99562899119,2cyclictest1115500-21kworker/u16:1+events_unbound20:25:446
99562899118,2cyclictest911388-21kworker/u16:1+flush-8:019:08:566
99562399119,2cyclictest1193592-21kworker/u16:4+events_unbound20:58:585
995623991110,1cyclictest0-21swapper/523:05:135
995623991110,1cyclictest0-21swapper/519:57:175
995623991110,1cyclictest0-21swapper/519:20:335
99562399110,1cyclictest0-21swapper/500:04:005
99562399110,11cyclictest0-21swapper/520:44:445
99562399110,11cyclictest0-21swapper/520:11:005
99562399110,11cyclictest0-21swapper/520:11:005
99562399110,11cyclictest0-21swapper/520:00:265
99562399110,11cyclictest0-21swapper/519:41:595
99562399110,0cyclictest0-21swapper/519:08:435
99561899117,3cyclictest1165440-21cat20:33:504
995618991110,1cyclictest0-21swapper/423:43:324
995618991110,1cyclictest0-21swapper/422:38:154
995618991110,1cyclictest0-21swapper/420:59:524
995618991110,1cyclictest0-21swapper/420:09:354
995618991110,1cyclictest0-21swapper/420:09:354
995618991110,1cyclictest0-21swapper/419:27:294
99561899110,11cyclictest0-21swapper/421:07:364
99561899110,11cyclictest0-21swapper/420:52:094
99561899110,11cyclictest0-21swapper/420:31:484
99561899110,11cyclictest0-21swapper/420:24:244
99561899110,11cyclictest0-21swapper/420:15:254
99561899110,11cyclictest0-21swapper/420:03:164
99561899110,11cyclictest0-21swapper/419:41:404
99561899110,0cyclictest0-21swapper/419:44:494
99562399109,1cyclictest0-21swapper/523:53:185
99562399109,1cyclictest0-21swapper/519:34:355
99562399109,1cyclictest0-21swapper/519:18:305
99562399107,2cyclictest1341109-21kworker/u16:0+events_unbound21:58:505
99562399100,0cyclictest0-21swapper/520:55:375
99561899109,1cyclictest0-21swapper/423:51:534
99561899109,1cyclictest0-21swapper/422:53:334
99561899109,1cyclictest0-21swapper/421:19:444
99561899109,1cyclictest0-21swapper/421:17:134
99561899109,1cyclictest0-21swapper/420:48:314
99561899109,1cyclictest0-21swapper/420:22:494
99561899109,1cyclictest0-21swapper/419:14:054
99561899100,9cyclictest0-21swapper/423:53:464
9956289997,2cyclictest976102-21kworker/u16:0+flush-8:019:28:556
9956289995,3cyclictest1155750-21cat20:28:506
9956289990,1cyclictest0-21swapper/619:33:546
9956239998,1cyclictest0-21swapper/523:30:175
9956239998,1cyclictest0-21swapper/521:27:285
9956239998,1cyclictest0-21swapper/520:36:235
9956239998,1cyclictest0-21swapper/500:36:115
9956239997,2cyclictest976102-21kworker/u16:0+flush-8:019:43:505
9956239995,3cyclictest1039255-21cat19:28:505
9956189998,1cyclictest0-21swapper/420:41:164
9956189998,1cyclictest0-21swapper/419:49:334
9956189998,1cyclictest0-21swapper/400:15:034
9956189990,9cyclictest0-21swapper/422:44:034
9956239986,2cyclictest1244700-21kworker/u16:4+flush-8:021:33:495
9956239985,2cyclictest1226754-21kworker/u16:2+flush-8:021:04:155
9956239984,3cyclictest1134197-21ntpq20:13:585
9956239983,4cyclictest1687534-21ntpq00:13:585
9956239983,4cyclictest1522849-21cat23:08:475
9956189987,1cyclictest0-21swapper/419:56:184
9956189987,1cyclictest0-21swapper/419:21:484
9956189984,3cyclictest1039698-21ps19:28:524
9956189983,4cyclictest1727623-21expr00:33:504
9956189983,4cyclictest1377948-21tr22:08:474
9956189983,4cyclictest1001454-21kthreadcore19:08:544
9956239975,1cyclictest0-21swapper/523:13:525
9956239974,2cyclictest1414732-21sh22:23:505
9956189975,1cyclictest0-21swapper/420:53:554
9956189973,3cyclictest1305688-21expr21:38:484
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