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2026-11-14 - 02:18
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Sat Nov 14, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14001872930,1sleep71400188-21ssh23:30:027
10558072630,0sleep71055809-21cut21:06:577
81167525822,31sleep70-21swapper/719:04:157
81161725848,7sleep50-21swapper/519:03:245
661289520,37rtkit-daemon0-21swapper/419:01:544
812124995149,2cyclictest1362073-21kworker/u16:4+events_unbound23:46:484
81213199500,48cyclictest1145852-21latency_hist21:46:347
812124994745,2cyclictest1206853-21kworker/u16:2+events_unbound22:57:004
812124994644,2cyclictest1437705-21kworker/u16:1+flush-8:000:03:044
812124994341,2cyclictest971085-21kworker/u16:2+events_unbound20:36:494
812124994341,2cyclictest1066655-21kworker/u16:2+events_unbound21:26:494
812124994340,2cyclictest942013-21kworker/u16:0+flush-8:020:21:504
812124994240,2cyclictest1180078-21kworker/u16:3+events_unbound23:07:004
812124994239,2cyclictest1437706-21kworker/u16:3+events_unbound23:56:484
812124994139,2cyclictest1109339-21kworker/u16:1+events_unbound23:02:054
812124994138,2cyclictest1497414-21kworker/u16:2+events_unbound00:21:494
812131994034,5cyclictest1437321-21latency_hist23:46:347
812124994037,2cyclictest1180078-21kworker/u16:3+events_unbound22:01:484
812131993934,4cyclictest1072621-21latency_hist21:16:357
812124993937,2cyclictest1483894-21kworker/u16:0+events_unbound00:16:484
81213199380,36cyclictest1109338-21rm21:31:357
812124993836,2cyclictest1362073-21kworker/u16:4+events_unbound23:26:474
812124993836,2cyclictest1180078-21kworker/u16:3+events_unbound22:27:064
812131993734,2cyclictest1535734-21irqcore00:26:547
812125993735,2cyclictest1362073-21kworker/u16:4+flush-8:023:32:085
812124993735,2cyclictest820700-21kworker/u16:3+flush-8:020:12:004
812124993735,2cyclictest1437705-21kworker/u16:1+events_unbound00:07:084
812124993735,2cyclictest1066655-21kworker/u16:2+flush-8:021:52:044
812124993735,2cyclictest1066655-21kworker/u16:2+events_unbound21:47:034
812124993734,2cyclictest1180078-21kworker/u16:3+events_unbound23:19:444
812125993634,2cyclictest1028944-21kworker/u16:4+flush-8:021:32:175
812124993634,2cyclictest1180078-21kworker/u16:3+flush-8:022:41:504
812124993634,2cyclictest1180078-21kworker/u16:3+events_unbound22:32:094
812124993634,2cyclictest1180078-21kworker/u16:3+events_unbound22:32:094
812124993634,2cyclictest1058036-21kworker/u16:0+events_unbound21:42:074
81213199350,33cyclictest1244774-21grep22:26:517
812124993533,2cyclictest1437705-21kworker/u16:1+flush-8:000:32:004
812124993533,2cyclictest1437705-21kworker/u16:1+flush-8:000:32:004
812124993533,2cyclictest1413538-21kworker/u16:2+events_unbound23:45:444
812124993533,2cyclictest1109339-21kworker/u16:1+events_unbound23:13:454
812124993533,2cyclictest1109339-21kworker/u16:1+events_unbound23:13:454
812124993533,2cyclictest1109339-21kworker/u16:1+events_unbound21:37:054
812126993431,2cyclictest1109339-21kworker/u16:1+flush-8:023:01:576
812124993432,2cyclictest1437705-21kworker/u16:1+events_unbound00:29:274
812124993431,2cyclictest1349308-21kworker/u16:0+flush-8:023:21:444
812124993331,2cyclictest1362073-21kworker/u16:4+events_unbound23:32:444
812124993331,2cyclictest1009352-21kworker/u16:0+flush-8:020:51:494
812126993230,2cyclictest1109339-21kworker/u16:1+flush-8:021:42:006
812124993229,2cyclictest922292-21kworker/u16:1+events_unbound20:06:494
812124993129,2cyclictest1437705-21kworker/u16:1+flush-8:000:12:094
812124993129,2cyclictest1206853-21kworker/u16:2+events_unbound22:21:444
812124993129,2cyclictest1180078-21kworker/u16:3+events_unbound22:11:564
812124993129,2cyclictest1066655-21kworker/u16:2+events_unbound21:14:444
812124993129,2cyclictest1019325-21kworker/u16:1+events_unbound21:01:524
812125993028,2cyclictest1349308-21kworker/u16:0+flush-8:023:27:075
812125993027,2cyclictest820700-21kworker/u16:3+flush-8:019:46:575
812124993029,1cyclictest1058036-21kworker/u16:0+events_unbound21:17:574
812124993028,2cyclictest1206853-21kworker/u16:2+flush-8:022:51:244
812124993028,2cyclictest1206853-21kworker/u16:2+events_unbound22:19:094
812124993028,2cyclictest1058036-21kworker/u16:0+events_unbound21:34:094
81181523018,8sleep60-21swapper/619:06:146
812125992927,2cyclictest1058036-21kworker/u16:0+flush-8:022:06:555
812124992927,2cyclictest1206853-21kworker/u16:2+events_unbound22:41:284
812124992927,2cyclictest1058036-21kworker/u16:0+events_unbound22:10:454
812124992926,2cyclictest1019325-21kworker/u16:1+events_unbound21:06:454
81213199280,26cyclictest1404142-21kthreadcore23:31:537
812126992825,2cyclictest773259-21kworker/u16:2+flush-8:019:41:536
812125992826,2cyclictest1362073-21kworker/u16:4+flush-8:023:52:085
812125992826,2cyclictest1362073-21kworker/u16:4+flush-8:023:52:085
812124992826,2cyclictest1206853-21kworker/u16:2+events_unbound22:53:124
812131992725,1cyclictest0-21swapper/723:40:087
812124992725,2cyclictest844520-21kworker/u16:1+events_unbound19:37:054
812124992725,2cyclictest1413538-21kworker/u16:2+events_unbound23:37:454
812124992725,2cyclictest1066655-21kworker/u16:2+events_unbound21:56:534
812131992624,1cyclictest0-21swapper/723:26:297
812131992624,1cyclictest0-21swapper/700:26:307
812126992623,2cyclictest773259-21kworker/u16:2+flush-8:019:27:016
812124992624,2cyclictest773259-21kworker/u16:2+events_unbound19:21:254
812124992624,2cyclictest1028944-21kworker/u16:4+flush-8:021:22:374
812131992523,1cyclictest0-21swapper/719:36:557
81213199250,23cyclictest908-21dbus-daemon20:01:357
812124992523,2cyclictest1437706-21kworker/u16:3+events_unbound23:55:244
812124992523,2cyclictest1437706-21kworker/u16:3+events_unbound23:55:244
11926452250,1chrt1192647-21ssh22:02:597
812125992422,2cyclictest1413538-21kworker/u16:2+flush-8:023:51:295
812125992418,5cyclictest1028944-21kworker/u16:4+flush-8:021:01:355
81213199230,21cyclictest835182-21latency_hist19:16:357
812124992321,2cyclictest820700-21kworker/u16:3+events_unbound20:46:474
812125992220,2cyclictest1497414-21kworker/u16:2+flush-8:000:22:055
812124992220,2cyclictest961199-21kworker/u16:1+flush-8:020:26:584
812124992119,2cyclictest1028944-21kworker/u16:4+events_unbound20:56:574
81213199200,18cyclictest1438530-21cut23:46:487
812131991914,4cyclictest1461573-21latency_hist23:56:347
812131991914,4cyclictest1461573-21latency_hist23:56:347
812125991916,2cyclictest1109339-21kworker/u16:1+flush-8:021:46:495
812124991917,2cyclictest820700-21kworker/u16:3+events_unbound19:42:454
812131991814,3cyclictest1275-21snmpd00:12:347
812131991813,4cyclictest1316254-21latency_hist22:56:357
812125991817,1cyclictest1362073-21kworker/u16:4+flush-8:023:21:525
812131991712,4cyclictest1304151-21latency_hist22:51:357
812125991715,2cyclictest773259-21kworker/u16:2+events_unbound19:21:485
812125991715,2cyclictest1180078-21kworker/u16:3+flush-8:022:41:555
812125991714,3cyclictest1206853-21kworker/u16:2+flush-8:022:22:035
812131991613,2cyclictest0-21swapper/720:31:357
812131991611,4cyclictest1122733-21cat21:36:497
812131991610,5cyclictest1206812-21latency_hist22:11:357
812126991612,3cyclictest813120-21cat19:06:486
812124991614,2cyclictest903310-21kworker/u16:4+events_unbound19:56:324
812124991614,2cyclictest773259-21kworker/u16:2+flush-8:019:12:334
812131991514,0cyclictest0-21swapper/721:17:207
812131991512,2cyclictest0-21swapper/720:57:017
812131991510,4cyclictest941696-21latency_hist20:11:357
812126991514,1cyclictest0-21swapper/623:27:086
81212699150,1cyclictest0-21swapper/623:21:466
81212699150,1cyclictest0-21swapper/622:38:446
81212699150,1cyclictest0-21swapper/622:16:586
812125991514,1cyclictest1349308-21kworker/u16:0+events_unbound23:10:065
812125991513,2cyclictest1180078-21kworker/u16:3+flush-8:022:27:095
812124991513,2cyclictest922292-21kworker/u16:1+flush-8:020:01:594
812131991412,1cyclictest0-21swapper/722:37:027
81213199140,13cyclictest0-21swapper/719:26:487
81213199140,12cyclictest1232325-21grep22:21:487
812126991413,1cyclictest0-21swapper/621:30:476
812126991413,1cyclictest0-21swapper/621:16:456
812126991413,1cyclictest0-21swapper/621:13:176
812126991413,1cyclictest0-21swapper/621:11:336
812126991413,1cyclictest0-21swapper/619:51:566
81212699140,14cyclictest0-21swapper/623:48:446
81212699140,14cyclictest0-21swapper/623:09:106
81212699140,14cyclictest0-21swapper/622:16:116
81212699140,14cyclictest0-21swapper/621:34:156
812125991413,1cyclictest0-21swapper/523:19:465
812125991410,4cyclictest844520-21kworker/u16:1+flush-8:019:21:355
81212599140,1cyclictest0-21swapper/522:11:495
81212599140,13cyclictest0-21swapper/519:06:445
81213199139,3cyclictest1275-21snmpd22:35:597
81213199139,3cyclictest1275-21snmpd22:35:597
81213199139,3cyclictest1275-21snmpd20:38:137
81213199139,3cyclictest0-21swapper/721:46:477
81213199138,4cyclictest1292020-21latency_hist22:46:357
81213199138,4cyclictest1086139-21cat21:21:497
81213199137,4cyclictest1275-21snmpd19:32:027
812131991312,0cyclictest0-21swapper/719:41:557
812131991311,1cyclictest0-21swapper/719:22:017
812131991310,2cyclictest0-21swapper/721:52:007
81213199130,12cyclictest1275-21snmpd19:18:417
81213199130,11cyclictest962210-21cat20:21:507
81213199130,11cyclictest1486784-21df_inode00:06:487
812126991312,1cyclictest0-21swapper/619:57:566
812126991312,1cyclictest0-21swapper/619:15:506
812126991312,1cyclictest0-21swapper/600:32:246
812126991312,1cyclictest0-21swapper/600:32:246
812126991312,1cyclictest0-21swapper/600:23:256
81212699130,13cyclictest0-21swapper/621:37:436
81212699130,13cyclictest0-21swapper/600:30:406
81212599137,5cyclictest773259-21kworker/u16:2+flush-8:019:12:015
812125991312,1cyclictest0-21swapper/522:52:205
812125991312,1cyclictest0-21swapper/521:29:255
812125991311,2cyclictest1533788-21kworker/u16:0+flush-8:000:27:055
81212599130,13cyclictest0-21swapper/523:37:545
81212599130,13cyclictest0-21swapper/522:59:365
812124991311,2cyclictest820700-21kworker/u16:3+events_unbound19:48:334
812124991311,2cyclictest820700-21kworker/u16:3+events_unbound19:31:334
812124991311,2cyclictest78238-21kworker/u16:0+events_unbound19:11:334
81213199129,2cyclictest1275-21snmpd23:13:127
81213199129,2cyclictest1275-21snmpd23:13:127
81213199129,2cyclictest1275-21snmpd21:36:337
81213199129,2cyclictest1275-21snmpd20:13:257
81213199129,2cyclictest0-21swapper/723:16:497
81213199128,3cyclictest1275-21snmpd20:30:047
81213199128,3cyclictest1275-21snmpd20:02:367
81213199128,3cyclictest1275-21snmpd19:11:267
81213199128,3cyclictest1275-21snmpd00:03:527
81213199127,4cyclictest1341753-21cat23:06:497
81213199127,4cyclictest1010617-21cat20:46:487
81213199126,5cyclictest6130-21gmain21:01:487
81213199120,2cyclictest1209919-21kthreadcore22:11:547
81212699128,3cyclictest865372-21cat19:31:496
812126991211,1cyclictest0-21swapper/622:10:596
812126991211,1cyclictest0-21swapper/621:58:416
812126991211,1cyclictest0-21swapper/620:22:036
812126991211,1cyclictest0-21swapper/600:14:266
81212699120,12cyclictest0-21swapper/620:10:046
812125991211,1cyclictest0-21swapper/522:34:325
812125991211,1cyclictest0-21swapper/522:34:325
812125991211,1cyclictest0-21swapper/522:01:165
812125991211,1cyclictest0-21swapper/521:22:195
812125991211,1cyclictest0-21swapper/519:42:035
812125991211,1cyclictest0-21swapper/519:37:385
812125991211,1cyclictest0-21swapper/519:28:495
812125991211,1cyclictest0-21swapper/500:34:495
812125991211,1cyclictest0-21swapper/500:34:495
812125991210,2cyclictest1109339-21kworker/u16:1+flush-8:023:16:295
812125991210,2cyclictest1109339-21kworker/u16:1+flush-8:023:16:295
812125991210,2cyclictest1058036-21kworker/u16:0+flush-8:022:06:305
81212599120,12cyclictest0-21swapper/520:19:255
812124991210,2cyclictest883935-21kworker/u16:0+events_unbound19:59:334
812124991210,2cyclictest820700-21kworker/u16:3+events_unbound20:17:444
81213199118,2cyclictest1275-21snmpd00:18:597
81213199117,3cyclictest6563-21gvfs-afc-volume19:46:587
81213199117,3cyclictest6130-21gmain23:02:037
81213199117,3cyclictest1275-21snmpd19:56:067
81213199117,3cyclictest1275-21snmpd00:00:407
81213199115,5cyclictest6563-21gvfs-afc-volume22:17:357
81213199110,9cyclictest1171496-21cat21:56:507
81213199110,10cyclictest1555352-21ntpq00:32:007
81213199110,10cyclictest1555352-21ntpq00:32:007
81213199110,10cyclictest1275-21snmpd20:17:377
812126991110,1cyclictest0-21swapper/622:54:396
812126991110,1cyclictest0-21swapper/621:21:576
812126991110,1cyclictest0-21swapper/621:02:256
812126991110,1cyclictest0-21swapper/620:36:436
812126991110,1cyclictest0-21swapper/620:18:066
812126991110,1cyclictest0-21swapper/619:20:066
812126991110,1cyclictest0-21swapper/600:03:246
812125991110,1cyclictest0-21swapper/522:18:465
812125991110,1cyclictest0-21swapper/521:20:355
812125991110,1cyclictest0-21swapper/520:49:225
812125991110,1cyclictest0-21swapper/520:13:075
81212499110,11cyclictest0-21swapper/419:32:184
81213199108,1cyclictest0-21swapper/720:41:517
81213199100,9cyclictest1275-21snmpd22:57:177
81212699109,1cyclictest0-21swapper/623:55:596
81212699109,1cyclictest0-21swapper/623:55:596
81212699109,1cyclictest0-21swapper/623:45:066
81212699109,1cyclictest0-21swapper/623:16:256
81212699109,1cyclictest0-21swapper/623:16:256
81212699109,1cyclictest0-21swapper/623:00:016
81212699109,1cyclictest0-21swapper/622:05:476
81212699109,1cyclictest0-21swapper/621:48:086
81212699109,1cyclictest0-21swapper/620:51:226
81212699108,2cyclictest86-21ksoftirqd/623:37:106
81212699107,2cyclictest893882-21cpuspeed_turbos19:46:476
81212599109,1cyclictest0-21swapper/523:45:095
81212599109,1cyclictest0-21swapper/523:03:135
81212599109,1cyclictest0-21swapper/521:41:435
81212599109,1cyclictest0-21swapper/521:39:595
81212599109,1cyclictest0-21swapper/521:08:085
81212599109,1cyclictest0-21swapper/521:06:245
81212599107,2cyclictest844520-21kworker/u16:1+flush-8:019:32:055
81212499108,2cyclictest971085-21kworker/u16:2+events_unbound20:41:584
8121319990,4cyclictest1019634-21cpuspeed_turbos20:51:477
8121269998,1cyclictest0-21swapper/623:32:306
8121269998,1cyclictest0-21swapper/622:43:566
8121269998,1cyclictest0-21swapper/619:37:176
8121269997,2cyclictest86-21ksoftirqd/623:59:446
8121269997,2cyclictest86-21ksoftirqd/622:50:346
8121269997,2cyclictest86-21ksoftirqd/622:22:066
8121269997,2cyclictest86-21ksoftirqd/621:52:466
8121269997,2cyclictest86-21ksoftirqd/600:06:396
8121269996,2cyclictest0-21swapper/623:16:436
8121259998,1cyclictest0-21swapper/521:55:545
8121259998,1cyclictest0-21swapper/520:38:115
8121259998,1cyclictest0-21swapper/500:18:255
8121249990,8cyclictest847924-21cut19:21:504
8121269987,1cyclictest0-21swapper/620:11:586
8121269987,1cyclictest0-21swapper/620:01:526
8121269986,2cyclictest86-21ksoftirqd/622:35:186
8121269986,2cyclictest86-21ksoftirqd/622:35:186
8121269986,2cyclictest86-21ksoftirqd/622:30:356
8121269986,2cyclictest86-21ksoftirqd/600:21:126
8121269980,1cyclictest0-21swapper/619:21:456
8121259987,1cyclictest0-21swapper/522:48:435
8121259987,1cyclictest0-21swapper/521:13:295
8121259987,1cyclictest0-21swapper/520:11:045
8121259987,1cyclictest0-21swapper/520:02:425
8121259987,1cyclictest0-21swapper/500:14:485
8121259987,1cyclictest0-21swapper/500:07:235
8121259986,1cyclictest0-21swapper/519:56:545
8121259980,7cyclictest905786-21kthreadcore19:51:545
8121249984,3cyclictest989924-21chrt20:34:334
8121269976,1cyclictest0-21swapper/620:55:006
8121269976,1cyclictest0-21swapper/620:45:516
8121259976,1cyclictest0-21swapper/520:32:305
8121259973,3cyclictest942013-21kworker/u16:0+flush-8:020:22:005
8121269964,2cyclictest86-21ksoftirqd/620:26:566
8121269960,6cyclictest0-21swapper/620:56:596
8121259963,2cyclictest14738742sleep500:01:355
8121259963,2cyclictest12783502sleep522:38:405
8121259963,2cyclictest10045722sleep520:41:565
8121259962,1cyclictest0-21swapper/520:52:225
8121269950,1cyclictest0-21swapper/620:31:486
8121259951,1cyclictest681rcuog/420:26:485
8121259950,3cyclictest0-21swapper/523:56:525
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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