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2026-05-07 - 01:43
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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 Thu May 07, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18935092920,1sleep71893511-21date23:43:327
128278924620,8sleep50-21swapper/519:04:365
128288224535,7sleep40-21swapper/419:05:564
12829422437,31sleep70-21swapper/719:06:477
1283364993937,2cyclictest1591516-21kworker/u16:1+events_unbound22:17:506
1283364993836,2cyclictest1784167-21kworker/u16:0+events_unbound23:15:106
1283369993635,0cyclictest0-21swapper/700:28:337
1283364993634,2cyclictest1623828-21kworker/u16:3+events_unbound21:57:546
1283364993634,2cyclictest1591516-21kworker/u16:1+events_unbound22:36:186
1283364993633,2cyclictest1651078-21kworker/u16:0+events_unbound22:03:346
1283358993634,2cyclictest1554617-21kworker/u16:2+flush-8:022:18:264
1283369993533,1cyclictest1795554-21ssh23:02:107
1283369993533,1cyclictest1795554-21ssh23:02:107
1283364993533,2cyclictest1866560-21kworker/u16:1+events_unbound23:37:306
1283364993533,2cyclictest1747954-21kworker/u16:5+events_unbound22:57:346
1283364993533,2cyclictest1747954-21kworker/u16:5+events_unbound00:10:306
1283364993533,2cyclictest1747953-21kworker/u16:4+events_unbound00:36:316
1283369993432,1cyclictest1893641-21ssh23:43:387
1283364993432,2cyclictest548894-21kworker/u16:3+events_unbound19:46:546
1283364993432,2cyclictest1920494-21kworker/u16:0+events_unbound00:25:546
1283364993432,2cyclictest1784167-21kworker/u16:0+events_unbound23:11:156
1283364993432,2cyclictest1747954-21kworker/u16:5+events_unbound23:08:316
1283364993432,2cyclictest1747953-21kworker/u16:4+events_unbound23:57:386
1283364993432,2cyclictest1747953-21kworker/u16:4+events_unbound23:19:516
1283364993432,2cyclictest1469925-21kworker/u16:0+events_unbound21:34:276
1283364993432,2cyclictest1440459-21kworker/u16:0+flush-8:020:29:016
1283358993432,2cyclictest1459709-21kworker/u16:2+events_unbound21:03:324
1283358993432,2cyclictest1383523-21kworker/u16:2+flush-8:020:08:594
1283369993332,0cyclictest0-21swapper/722:26:107
1283369993332,0cyclictest0-21swapper/721:22:107
1283369993331,1cyclictest1564848-21ssh21:25:477
1283364993331,2cyclictest1651078-21kworker/u16:0+events_unbound22:41:116
1283364993331,2cyclictest1651078-21kworker/u16:0+events_unbound22:21:066
1283364993331,2cyclictest1623828-21kworker/u16:3+events_unbound22:30:266
1283364993331,2cyclictest1623828-21kworker/u16:3+events_unbound22:24:466
1283364993331,2cyclictest1489006-21kworker/u16:4+events_unbound21:15:396
1283358993331,2cyclictest1591516-21kworker/u16:1+events_unbound22:08:104
1283369993231,0cyclictest0-21swapper/721:28:477
1283364993230,2cyclictest1920494-21kworker/u16:0+events_unbound00:04:466
1283364993230,2cyclictest1747954-21kworker/u16:5+events_unbound23:41:586
1283364993230,2cyclictest1747954-21kworker/u16:5+events_unbound00:17:596
1283364993230,2cyclictest1591516-21kworker/u16:1+events_unbound21:49:186
1283364993230,2cyclictest1591516-21kworker/u16:1+events_unbound21:41:026
1283364993230,2cyclictest1554617-21kworker/u16:2+events_unbound21:45:226
1283364993230,2cyclictest1508250-21kworker/u16:1+events_unbound21:12:226
1283364993230,2cyclictest1459709-21kworker/u16:2+events_unbound20:57:156
1283358993230,2cyclictest1747953-21kworker/u16:4+events_unbound23:23:554
1283358993230,2cyclictest1459709-21kworker/u16:2+events_unbound20:48:264
1283369993130,0cyclictest0-21swapper/722:53:187
1283369993128,2cyclictest1650687-21ssh22:02:557
1283369993126,4cyclictest635-21systemd-journal22:43:327
1283364993129,2cyclictest1881269-21kworker/u16:2+events_unbound23:50:596
1283364993129,2cyclictest1881269-21kworker/u16:2+events_unbound23:45:236
1283364993129,2cyclictest1747954-21kworker/u16:5+events_unbound22:53:306
1283364993129,2cyclictest1747954-21kworker/u16:5+events_unbound00:31:546
1283364993129,2cyclictest1747954-21kworker/u16:5+events_unbound00:02:276
1283364993129,2cyclictest1623828-21kworker/u16:3+events_unbound22:00:346
1283364993129,2cyclictest1531679-21kworker/u16:3+events_unbound21:25:396
1283364993128,2cyclictest1747954-21kworker/u16:5+events_unbound00:18:336
1283358993128,2cyclictest1881269-21kworker/u16:2+events_unbound23:48:314
1283369993029,0cyclictest0-21swapper/722:14:237
1283369993027,2cyclictest1674033-21ssh22:11:197
128336999300,28cyclictest1758559-21ssh22:45:597
1283364993028,2cyclictest1747953-21kworker/u16:4+events_unbound23:25:196
1283364993028,2cyclictest1747953-21kworker/u16:4+events_unbound23:00:176
1283364993028,2cyclictest1747953-21kworker/u16:4+events_unbound23:00:176
1283369992928,0cyclictest0-21swapper/723:17:467
1283369992928,0cyclictest0-21swapper/723:13:267
1283369992928,0cyclictest0-21swapper/721:37:117
1283369992928,0cyclictest0-21swapper/721:14:107
1283369992928,0cyclictest0-21swapper/700:35:417
128336999290,27cyclictest1879302-21sh23:35:197
1283364992927,2cyclictest1554617-21kworker/u16:2+events_unbound22:11:526
1283364992927,2cyclictest1489006-21kworker/u16:4+events_unbound21:20:406
1283360992924,4cyclictest1297862-21iostat_ios19:13:475
1283358992927,2cyclictest1272390-21kworker/u16:2+events_unbound19:23:274
1283358992927,2cyclictest1272390-21kworker/u16:2+events_unbound19:23:274
1283369992827,0cyclictest0-21swapper/722:19:477
1283369992827,0cyclictest0-21swapper/721:50:037
1283369992825,2cyclictest1940715-21ssh00:01:387
1283364992826,2cyclictest1623828-21kworker/u16:3+events_unbound22:45:556
1283364992826,2cyclictest1354423-21kworker/u16:1+events_unbound20:13:566
1283369992726,0cyclictest0-21swapper/720:49:117
1283369992726,0cyclictest0-21swapper/720:18:227
1283369992726,0cyclictest0-21swapper/700:27:347
1283369992726,0cyclictest0-21swapper/700:17:097
1283369992725,1cyclictest1661869-21ssh22:06:127
1283369992724,2cyclictest1601195-21ssh21:40:507
1283364992725,2cyclictest1531679-21kworker/u16:3+events_unbound21:31:236
1283364992725,2cyclictest1272390-21kworker/u16:2+events_unbound19:08:346
1283358992725,2cyclictest1623828-21kworker/u16:3+events_unbound22:33:594
1283358992725,2cyclictest1489006-21kworker/u16:4+events_unbound21:13:544
128277122716,8sleep60-21swapper/619:04:216
1283369992625,0cyclictest0-21swapper/723:24:467
1283369992625,0cyclictest0-21swapper/721:44:277
1283369992624,1cyclictest1989340-21ssh00:21:547
1283369992624,1cyclictest0-21swapper/723:51:077
1283364992624,2cyclictest1747954-21kworker/u16:5+events_unbound23:29:356
1283364992624,2cyclictest1272390-21kworker/u16:2+events_unbound19:31:436
1283358992624,2cyclictest1383523-21kworker/u16:2+flush-8:020:03:514
1283369992524,0cyclictest0-21swapper/723:54:037
1283369992523,1cyclictest0-21swapper/723:30:227
1283369992523,1cyclictest0-21swapper/722:36:147
1283369992523,1cyclictest0-21swapper/722:31:197
1283364992522,2cyclictest1508250-21kworker/u16:1+events_unbound21:03:426
1283358992523,2cyclictest1651078-21kworker/u16:0+events_unbound22:19:554
1283358992523,2cyclictest1489006-21kworker/u16:4+events_unbound21:22:434
1283369992423,0cyclictest0-21swapper/721:54:037
1283369992423,0cyclictest0-21swapper/700:11:467
1283364992422,2cyclictest548894-21kworker/u16:3+events_unbound20:02:426
1283364992422,2cyclictest548894-21kworker/u16:3+events_unbound19:57:236
1283364992422,2cyclictest1459709-21kworker/u16:2+events_unbound20:41:236
1283364992422,2cyclictest1343434-21kworker/u16:0+events_unbound19:42:426
1283358992422,2cyclictest1747953-21kworker/u16:4+events_unbound23:43:264
1283358992422,2cyclictest1591516-21kworker/u16:1+events_unbound21:52:434
1283358992422,2cyclictest1591516-21kworker/u16:1+events_unbound21:42:434
1283358992422,2cyclictest1469925-21kworker/u16:0+flush-8:021:34:184
1283369992322,0cyclictest0-21swapper/723:23:107
1283369992322,0cyclictest0-21swapper/722:57:197
1283364992321,2cyclictest548894-21kworker/u16:3+events_unbound19:35:426
1283364992321,2cyclictest1459709-21kworker/u16:2+events_unbound20:52:426
1283364992321,2cyclictest1354423-21kworker/u16:1+events_unbound20:24:236
1283364992320,2cyclictest548894-21kworker/u16:3+events_unbound20:08:346
1283358992322,1cyclictest1747953-21kworker/u16:4+events_unbound23:53:104
1283358992321,2cyclictest1920494-21kworker/u16:0+events_unbound00:08:074
1283358992321,2cyclictest1554617-21kworker/u16:2+events_unbound21:30:234
1283358992320,2cyclictest1651078-21kworker/u16:0+flush-8:022:23:424
1283369992221,0cyclictest0-21swapper/723:07:307
1283364992220,2cyclictest548894-21kworker/u16:3+events_unbound19:53:236
1283364992220,2cyclictest1283135-21kworker/u16:4+events_unbound19:16:426
1283358992220,2cyclictest1747954-21kworker/u16:5+events_unbound23:33:104
1283358992220,2cyclictest1747954-21kworker/u16:5+events_unbound00:23:344
1283358992220,2cyclictest1747953-21kworker/u16:4+events_unbound22:55:394
1283364992119,2cyclictest548894-21kworker/u16:3+events_unbound20:04:006
1283364992119,2cyclictest1412148-21kworker/u16:4+events_unbound20:23:236
1283358992119,2cyclictest1953992-21kworker/u16:1+flush-8:000:09:104
1283358992119,2cyclictest1591516-21kworker/u16:1+events_unbound22:42:394
1283369992019,0cyclictest0-21swapper/720:48:127
1283369992019,0cyclictest0-21swapper/719:38:457
1283364992018,2cyclictest1469925-21kworker/u16:0+events_unbound21:03:236
1283358992018,2cyclictest1747954-21kworker/u16:5+events_unbound00:02:144
1283358992018,2cyclictest1747953-21kworker/u16:4+events_unbound23:08:564
1283358992018,2cyclictest1747953-21kworker/u16:4+events_unbound23:03:264
1283358992018,2cyclictest1747953-21kworker/u16:4+events_unbound23:03:264
1283358992018,2cyclictest1554617-21kworker/u16:2+events_unbound21:45:394
1283358992018,2cyclictest1531679-21kworker/u16:3+events_unbound21:25:224
1283358992018,2cyclictest1469925-21kworker/u16:0+events_unbound20:53:524
1283369991918,0cyclictest0-21swapper/720:32:127
1283369991918,0cyclictest0-21swapper/719:14:027
1283369991918,0cyclictest0-21swapper/719:11:437
1283369991918,0cyclictest0-21swapper/700:04:307
1283369991914,4cyclictest1325462-21latency_hist19:28:327
1283364991917,2cyclictest548894-21kworker/u16:3+events_unbound20:34:236
1283360991914,4cyclictest1355467-21iostat_ios19:43:475
1283358991917,2cyclictest1920494-21kworker/u16:0+events_unbound23:56:024
1283358991917,2cyclictest1747953-21kworker/u16:4+events_unbound00:35:274
1283358991917,2cyclictest1623828-21kworker/u16:3+events_unbound22:51:114
1283358991917,2cyclictest1623828-21kworker/u16:3+events_unbound22:30:504
1283358991816,2cyclictest1920494-21kworker/u16:0+events_unbound00:33:224
1283358991816,2cyclictest1866560-21kworker/u16:1+events_unbound23:37:224
1283358991816,2cyclictest1747954-21kworker/u16:5+events_unbound23:22:274
1283358991816,2cyclictest1747953-21kworker/u16:4+events_unbound00:17:304
1283358991816,2cyclictest1508250-21kworker/u16:1+flush-8:021:04:004
1283358991815,2cyclictest1747953-21kworker/u16:4+flush-8:000:18:414
1283358991815,2cyclictest1508250-21kworker/u16:1+events_unbound21:08:354
1283369991716,0cyclictest0-21swapper/719:38:007
1283369991711,5cyclictest1402334-21latency_hist20:08:327
1283358991715,2cyclictest1591516-21kworker/u16:1+events_unbound22:09:424
1283358991715,2cyclictest1354423-21kworker/u16:1+events_unbound19:48:514
1283369991615,0cyclictest0-21swapper/719:52:037
1283369991615,0cyclictest0-21swapper/719:28:427
1283358991614,2cyclictest1591516-21kworker/u16:1+events_unbound21:59:594
1283358991614,2cyclictest1354423-21kworker/u16:1+flush-8:019:58:524
1283358991613,2cyclictest548894-21kworker/u16:3+flush-8:020:19:034
1283358991613,2cyclictest1747954-21kworker/u16:5+events_unbound22:43:424
1283358991613,2cyclictest1283135-21kworker/u16:4+events_unbound19:23:524
128336999150,13cyclictest0-21swapper/720:38:547
1283364991513,2cyclictest1469925-21kworker/u16:0+events_unbound20:43:426
1283364991513,2cyclictest1272390-21kworker/u16:2+events_unbound19:24:556
1283358991513,2cyclictest1459709-21kworker/u16:2+events_unbound20:48:494
1283358991513,2cyclictest1440459-21kworker/u16:0+flush-8:020:33:324
128335899150,14cyclictest0-21swapper/419:13:564
128336999147,6cyclictest6514-21gmain19:18:587
128336999147,6cyclictest6514-21gmain19:18:587
1283369991413,0cyclictest0-21swapper/721:10:367
1283364991412,2cyclictest1272390-21kworker/u16:2+events_unbound19:20:026
1283364991412,2cyclictest1272390-21kworker/u16:2+events_unbound19:20:026
1283360991413,1cyclictest0-21swapper/523:06:295
1283360991413,1cyclictest0-21swapper/500:34:375
128336099140,1cyclictest0-21swapper/521:08:525
128336099140,1cyclictest0-21swapper/520:12:075
128336099140,14cyclictest0-21swapper/523:27:085
128336099140,14cyclictest0-21swapper/522:30:425
128336099140,14cyclictest0-21swapper/522:06:255
1283358991412,2cyclictest1747953-21kworker/u16:4+events_unbound23:06:514
1283358991412,2cyclictest1554617-21kworker/u16:2+flush-8:021:54:304
1283358991412,2cyclictest1343434-21kworker/u16:0+events_unbound19:38:574
128336999139,3cyclictest1234-21snmpd19:55:157
1283360991312,1cyclictest0-21swapper/523:39:355
1283360991312,1cyclictest0-21swapper/523:16:345
1283360991312,1cyclictest0-21swapper/521:30:285
1283360991310,2cyclictest1543811-21/usr/sbin/munin21:18:485
128336099130,13cyclictest3998890-21kworker/5:1+events19:39:575
128336099130,13cyclictest0-21swapper/523:56:185
128336099130,13cyclictest0-21swapper/521:54:455
128336099130,13cyclictest0-21swapper/521:42:555
128336099130,12cyclictest0-21swapper/519:58:465
128335899137,4cyclictest1354423-21kworker/u16:1+flush-8:020:13:474
1283358991311,2cyclictest1747954-21kworker/u16:5+events_unbound23:15:314
128335899130,13cyclictest0-21swapper/420:43:314
128336999129,2cyclictest1234-21snmpd21:01:227
128336999128,3cyclictest1234-21snmpd20:18:397
128336999128,3cyclictest1234-21snmpd20:01:427
128336999125,6cyclictest6101-21gmain19:43:587
1283369991211,0cyclictest0-21swapper/720:35:087
1283360991211,1cyclictest0-21swapper/522:55:275
1283360991211,1cyclictest0-21swapper/522:42:595
1283360991211,1cyclictest0-21swapper/500:22:195
128336099120,1cyclictest0-21swapper/520:33:145
128336999119,1cyclictest0-21swapper/720:53:497
128336999118,2cyclictest1234-21snmpd20:09:097
128336999115,6cyclictest6032-21gmain20:26:067
128336999115,5cyclictest6895-21gmain21:08:027
128336099119,2cyclictest1747953-21kworker/u16:4+events_unbound23:48:465
128336099117,3cyclictest1955124-21cat00:08:455
1283360991110,1cyclictest0-21swapper/520:52:195
128336099110,10cyclictest0-21swapper/523:18:435
128335899119,2cyclictest1459709-21kworker/u16:2+events_unbound20:38:124
128336099105,4cyclictest1676526-21cat22:13:465
128336099105,4cyclictest1326665-21iostat_ios19:28:485
128335899109,1cyclictest0-21swapper/420:23:394
12833589997,2cyclictest548894-21kworker/u16:3+flush-8:019:53:534
12833589997,2cyclictest548894-21kworker/u16:3+events_unbound19:08:444
12833609986,1cyclictest0-21swapper/521:33:435
12833609986,1cyclictest0-21swapper/520:58:455
12833609985,3cyclictest0-21swapper/523:28:505
12833609985,2cyclictest1664671-21irqcore22:08:475
12833609985,2cyclictest0-21swapper/523:43:475
12833609985,2cyclictest0-21swapper/522:43:485
12833609985,2cyclictest0-21swapper/522:23:505
12833609983,4cyclictest1930850-21if_err_p4p123:58:475
12833609983,4cyclictest1760934-21cat22:48:445
12833609983,4cyclictest1694858-21grep22:18:505
12833609983,4cyclictest1646533-21grep21:58:535
12833609983,4cyclictest1412639-21cstates20:13:455
12833609983,4cyclictest1377820-21grep19:53:505
12833609983,4cyclictest1341286-21grep19:33:515
12833609983,4cyclictest1320222-21cut19:23:515
12833589986,1cyclictest0-21swapper/419:43:524
12833589984,3cyclictest1326650-21cat19:28:474
12833609975,2cyclictest1489006-21kworker/u16:4+flush-8:021:14:315
12833609975,1cyclictest0-21swapper/522:58:495
12833609975,1cyclictest0-21swapper/522:58:495
12833609975,1cyclictest0-21swapper/520:33:465
12833609975,1cyclictest0-21swapper/520:23:495
12833609974,2cyclictest2002982-21cpuspeed_turbos00:28:435
12833609973,3cyclictest1991708-21sed00:23:475
12833609973,3cyclictest1967219-21smartctl00:13:465
12833609973,3cyclictest1942760-21dnf00:03:435
12833609973,3cyclictest1809765-21sed23:08:455
12833609973,3cyclictest1616038-21if_p4p121:48:465
12833609973,3cyclictest1603648-21expr21:43:435
12833609973,3cyclictest1557485-21cut21:23:495
12833609973,3cyclictest1492392-21kthreadcore20:53:495
12833609973,3cyclictest1461550-21cut20:38:475
12833609973,3cyclictest1308154-21cut19:18:485
12833609973,3cyclictest1308154-21cut19:18:485
12833609972,4cyclictest1869761-21cat23:33:435
12833609972,4cyclictest1725115-21sed22:33:475
12833609972,4cyclictest1510954-21kthreadcore21:03:505
12833609972,4cyclictest1422234-21grep20:18:435
12833609972,4cyclictest1366092-21kthreadcore19:48:465
12833609972,4cyclictest1284326-21sed19:08:465
12833609970,6cyclictest1470395-21expr20:43:445
12833589975,1cyclictest0-21swapper/419:33:444
12833609962,3cyclictest1393225-21cpuspeed_turbos20:03:455
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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