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2026-05-10 - 17:04
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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 Sun May 10, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
378960825226,8sleep40-21swapper/407:05:134
3790121994543,2cyclictest24978-21kworker/u16:3+flush-8:011:48:426
3790121994543,2cyclictest11916-21kworker/u16:0+events_unbound11:18:446
3790121993937,2cyclictest4024579-21kworker/u16:2+events_unbound09:31:036
3790120993937,2cyclictest4024579-21kworker/u16:2+events_unbound09:51:205
3790120993937,2cyclictest4024579-21kworker/u16:2+events_unbound09:18:035
37888812393,30sleep70-21swapper/707:03:487
3790121993836,2cyclictest11916-21kworker/u16:0+events_unbound11:32:116
3790121993835,2cyclictest4169466-21kworker/u16:3+events_unbound10:13:216
3790120993836,2cyclictest24978-21kworker/u16:3+events_unbound11:14:475
3790121993735,2cyclictest4024579-21kworker/u16:2+events_unbound09:44:206
3790121993735,2cyclictest232544-21kworker/u16:1+events_unbound12:29:076
3790121993735,2cyclictest232544-21kworker/u16:1+events_unbound12:05:086
3790120993735,2cyclictest11916-21kworker/u16:0+events_unbound11:00:315
3790122993630,5cyclictest186335-21latency_hist11:33:187
3790121993634,2cyclictest4024579-21kworker/u16:2+events_unbound09:50:596
3790121993634,2cyclictest11916-21kworker/u16:0+events_unbound10:54:596
3790120993634,2cyclictest4144845-21kworker/u16:1+events_unbound10:06:435
378955223625,8sleep50-21swapper/507:04:265
3790121993533,2cyclictest4097969-21kworker/u16:1+events_unbound09:43:006
3790121993533,2cyclictest3870877-21kworker/u16:0+events_unbound09:14:036
3790121993533,2cyclictest11916-21kworker/u16:0+events_unbound10:21:086
3790120993533,2cyclictest4074336-21kworker/u16:1+events_unbound09:29:195
3790120993533,2cyclictest4034561-21kworker/u16:4+events_unbound09:55:565
3790120993533,2cyclictest4024579-21kworker/u16:2+events_unbound10:09:115
3790120993533,2cyclictest24978-21kworker/u16:3+flush-8:012:04:555
3790120993533,2cyclictest24978-21kworker/u16:3+events_unbound11:04:435
3790120993533,2cyclictest24978-21kworker/u16:3+events_unbound10:50:235
3790120993533,2cyclictest11916-21kworker/u16:0+flush-8:010:40:475
3790120993533,2cyclictest11916-21kworker/u16:0+events_unbound11:28:165
3790121993432,2cyclictest74441-21kworker/u16:1+events_unbound11:36:116
3790121993432,2cyclictest74441-21kworker/u16:1+events_unbound10:49:236
3790121993432,2cyclictest4024579-21kworker/u16:2+events_unbound10:07:476
3790121993432,2cyclictest3870877-21kworker/u16:0+events_unbound09:27:086
3790121993432,2cyclictest11916-21kworker/u16:0+events_unbound11:46:036
3790121993432,2cyclictest11916-21kworker/u16:0+events_unbound10:38:076
3790120993432,2cyclictest3789830-21kworker/u16:3+events_unbound08:08:195
3790120993432,2cyclictest24978-21kworker/u16:3+events_unbound10:53:195
3790120993432,2cyclictest24978-21kworker/u16:3+events_unbound10:35:155
3790120993432,2cyclictest232544-21kworker/u16:1+events_unbound12:26:115
3790121993331,2cyclictest74441-21kworker/u16:1+events_unbound11:11:046
3790121993331,2cyclictest4144845-21kworker/u16:1+events_unbound10:11:206
3790121993331,2cyclictest4034561-21kworker/u16:4+events_unbound09:56:476
3790121993331,2cyclictest4024579-21kworker/u16:2+events_unbound10:44:206
3790121993331,2cyclictest4024579-21kworker/u16:2+events_unbound10:01:246
3790121993331,2cyclictest24978-21kworker/u16:3+events_unbound12:22:116
3790121993331,2cyclictest232544-21kworker/u16:1+events_unbound12:37:396
3790121993331,2cyclictest232544-21kworker/u16:1+events_unbound12:37:396
3790121993330,2cyclictest3870877-21kworker/u16:0+flush-8:009:18:356
3790120993331,2cyclictest4123255-21kworker/u16:0+flush-8:010:01:315
3790120993331,2cyclictest24978-21kworker/u16:3+events_unbound11:51:085
3790121993230,2cyclictest74441-21kworker/u16:1+events_unbound11:14:436
3790121993230,2cyclictest247687-21kworker/u16:0+events_unbound12:11:166
3790121993230,2cyclictest11916-21kworker/u16:0+events_unbound11:26:156
3790120993230,2cyclictest3870877-21kworker/u16:0+events_unbound09:35:405
3790120993230,2cyclictest11916-21kworker/u16:0+events_unbound10:26:235
3790121993129,2cyclictest74441-21kworker/u16:1+events_unbound11:08:036
3790121993129,2cyclictest4034561-21kworker/u16:4+events_unbound09:34:326
3790121993129,2cyclictest4024579-21kworker/u16:2+events_unbound10:25:036
3790121993129,2cyclictest11916-21kworker/u16:0+events_unbound10:29:196
3790121993129,2cyclictest11916-21kworker/u16:0+events_unbound10:29:196
3790120993129,2cyclictest74441-21kworker/u16:1+flush-8:011:35:135
3790120993129,2cyclictest4034561-21kworker/u16:4+events_unbound09:12:075
3790120993129,2cyclictest24978-21kworker/u16:3+flush-8:012:00:395
3194132310,1chrt319411-21ssh12:26:097
379012299300,28cyclictest161860-21latency_hist11:23:187
3790121993028,2cyclictest4024579-21kworker/u16:2+events_unbound09:10:476
3790121993028,2cyclictest3870877-21kworker/u16:0+events_unbound09:00:416
3790121993028,2cyclictest24978-21kworker/u16:3+events_unbound12:15:246
3790120993028,2cyclictest3957764-21kworker/u16:4+flush-8:008:37:445
3790120993028,2cyclictest308827-21kworker/u16:5+flush-8:012:29:395
3790120993028,2cyclictest24978-21kworker/u16:3+flush-8:012:18:445
3790120993028,2cyclictest24978-21kworker/u16:3+events_unbound12:15:225
3790120993028,2cyclictest24978-21kworker/u16:3+events_unbound11:57:085
3790120993028,2cyclictest24978-21kworker/u16:3+events_unbound11:57:085
3790120993028,2cyclictest11916-21kworker/u16:0+flush-8:011:29:155
3790120993028,2cyclictest11916-21kworker/u16:0+events_unbound10:20:355
37895622308,7sleep60-21swapper/607:04:356
3790121992927,2cyclictest4024579-21kworker/u16:2+events_unbound10:41:126
3790121992927,2cyclictest3870877-21kworker/u16:0+flush-8:008:18:356
3790121992927,2cyclictest3736583-21kworker/u16:2+events_unbound07:20:446
3790120992927,2cyclictest4024579-21kworker/u16:2+flush-8:010:44:115
3790120992927,2cyclictest4024579-21kworker/u16:2+flush-8:010:32:155
3790120992927,2cyclictest4024579-21kworker/u16:2+flush-8:010:32:155
3790120992927,2cyclictest4024579-21kworker/u16:2+events_unbound09:44:555
3790120992927,2cyclictest3899430-21kworker/u16:1+events_unbound08:04:325
3790120992927,2cyclictest3851769-21kworker/u16:4+events_unbound07:56:455
3790121992826,2cyclictest3851769-21kworker/u16:4+events_unbound07:41:276
3790121992826,2cyclictest3851769-21kworker/u16:4+events_unbound07:41:276
3790121992826,2cyclictest308827-21kworker/u16:5+events_unbound12:27:026
3790121992826,2cyclictest198953-21kworker/u16:4+flush-8:011:59:176
3790121992821,7cyclictest24978-21kworker/u16:3+events_unbound11:00:416
3790120992826,2cyclictest74441-21kworker/u16:1+events_unbound11:09:215
3790120992826,2cyclictest4024579-21kworker/u16:2+events_unbound09:39:435
3790119992826,2cyclictest3899430-21kworker/u16:1+flush-8:008:03:444
40855772270,1chrt4085576-21ssh09:32:197
3790121992725,2cyclictest3957764-21kworker/u16:4+events_unbound08:45:406
3790121992725,2cyclictest3899430-21kworker/u16:1+events_unbound08:17:446
3790121992725,2cyclictest3870877-21kworker/u16:0+events_unbound08:07:446
3790120992725,2cyclictest3899430-21kworker/u16:1+events_unbound08:16:375
3790120992725,2cyclictest3789830-21kworker/u16:3+events_unbound08:28:425
3790120992725,2cyclictest24978-21kworker/u16:3+events_unbound11:42:425
3790120992725,2cyclictest247687-21kworker/u16:0+events_unbound12:08:475
3790120992725,2cyclictest232544-21kworker/u16:1+events_unbound12:35:345
3790120992725,2cyclictest232544-21kworker/u16:1+events_unbound12:35:345
3790120992725,2cyclictest11916-21kworker/u16:0+events_unbound11:44:295
3790122992625,0cyclictest0-21swapper/708:48:327
3790122992624,1cyclictest122649-21ssh11:03:477
3790121992624,2cyclictest3986433-21kworker/u16:1+events_unbound08:53:516
3790121992624,2cyclictest3870877-21kworker/u16:0+events_unbound08:11:446
3790121992624,2cyclictest3789830-21kworker/u16:3+events_unbound08:31:406
3790121992623,2cyclictest3957764-21kworker/u16:4+events_unbound08:38:276
3790120992624,2cyclictest4024579-21kworker/u16:2+flush-8:010:17:545
3790120992624,2cyclictest4024579-21kworker/u16:2+events_unbound09:20:025
3790120992624,2cyclictest3986433-21kworker/u16:1+events_unbound08:55:485
3790120992624,2cyclictest3841849-21kworker/u16:0+events_unbound07:36:205
3790122992523,1cyclictest0-21swapper/711:08:327
3790121992523,2cyclictest3957764-21kworker/u16:4+events_unbound08:35:406
3790121992523,2cyclictest3851769-21kworker/u16:4+flush-8:007:58:366
3790121992523,2cyclictest24978-21kworker/u16:3+events_unbound11:40:456
3790120992523,2cyclictest11916-21kworker/u16:0+flush-8:011:22:455
3790122992423,0cyclictest0-21swapper/712:18:137
3790121992422,2cyclictest3986433-21kworker/u16:1+events_unbound08:50:416
3790121992422,2cyclictest3736583-21kworker/u16:2+events_unbound07:24:236
3790120992422,2cyclictest4024579-21kworker/u16:2+flush-8:009:24:555
3790120992422,2cyclictest3976372-21kworker/u16:2+events_unbound08:52:395
3790120992422,2cyclictest3789830-21kworker/u16:3+events_unbound07:46:375
3790120992422,2cyclictest3789830-21kworker/u16:3+events_unbound07:31:445
3790120992422,2cyclictest3717117-21kworker/u16:1+events_unbound07:09:495
3790119992422,2cyclictest3789830-21kworker/u16:3+flush-8:007:08:284
3790121992321,2cyclictest3789830-21kworker/u16:3+events_unbound08:28:156
3790121992320,2cyclictest3736583-21kworker/u16:2+events_unbound07:28:216
3790120992321,2cyclictest3899430-21kworker/u16:1+events_unbound08:23:165
3790120992321,2cyclictest3870877-21kworker/u16:0+events_unbound08:41:385
3790120992321,2cyclictest3789830-21kworker/u16:3+flush-8:008:25:475
3790121992220,2cyclictest3870877-21kworker/u16:0+events_unbound07:50:366
3790121992220,2cyclictest24978-21kworker/u16:3+events_unbound11:57:066
3790121992220,2cyclictest24978-21kworker/u16:3+events_unbound11:57:066
3790120992220,2cyclictest3899430-21kworker/u16:1+flush-8:008:03:155
3790120992220,2cyclictest3717117-21kworker/u16:1+events_unbound07:16:165
3790119992219,2cyclictest3986433-21kworker/u16:1+events_unbound09:03:334
3790122992115,5cyclictest4005558-21latency_hist08:58:187
3790121992119,2cyclictest3870877-21kworker/u16:0+events_unbound09:04:366
3790120992119,2cyclictest3986433-21kworker/u16:1+flush-8:009:07:365
3790120992119,2cyclictest3789830-21kworker/u16:3+flush-8:007:52:005
41204932200,1chrt4120492-21ssh09:44:137
3790122992015,4cyclictest88519-21latency_hist10:53:187
3790121992018,2cyclictest3851769-21kworker/u16:4+events_unbound07:56:246
3790121992018,2cyclictest3789830-21kworker/u16:3+events_unbound07:11:196
3790120992018,2cyclictest3976372-21kworker/u16:2+events_unbound08:47:445
3790120992018,2cyclictest3870877-21kworker/u16:0+events_unbound09:01:325
3790120992018,2cyclictest3851769-21kworker/u16:4+events_unbound07:41:095
3790120992018,2cyclictest3851769-21kworker/u16:4+events_unbound07:41:095
3790120992018,2cyclictest3736583-21kworker/u16:2+events_unbound07:26:205
3790120992018,2cyclictest3736583-21kworker/u16:2+events_unbound07:21:235
3790122991916,2cyclictest0-21swapper/709:58:187
3790122991914,4cyclictest635-21systemd-journal11:38:187
379012299190,11cyclictest0-21swapper/707:28:147
3790121991917,2cyclictest3851769-21kworker/u16:4+events_unbound07:45:356
3790121991916,3cyclictest3717117-21kworker/u16:1+flush-8:007:13:356
3790119991916,2cyclictest3789830-21kworker/u16:3+flush-8:007:53:324
3790122991812,5cyclictest3880446-21latency_hist07:53:187
379012299180,16cyclictest2548-21latency_hist10:18:187
3790119991816,2cyclictest4144845-21kworker/u16:1+flush-8:009:59:154
3790119991815,2cyclictest24978-21kworker/u16:3+flush-8:012:18:434
3790122991715,1cyclictest27789-21rm10:28:237
3790122991715,1cyclictest27789-21rm10:28:237
3790121991715,2cyclictest3841849-21kworker/u16:0+events_unbound07:35:356
3790122991615,0cyclictest0-21swapper/709:33:327
3790122991615,0cyclictest0-21swapper/707:28:417
3790122991614,1cyclictest0-21swapper/709:53:357
3790122991613,2cyclictest1234-21snmpd08:24:417
379012299161,2cyclictest73099-21ssh10:43:427
3790122991612,3cyclictest1234-21snmpd08:37:357
379012299160,14cyclictest24188-21ssh10:23:447
379012299160,14cyclictest1234-21snmpd08:28:537
379012299159,5cyclictest4024829-21diskmemload09:38:357
379012299159,5cyclictest247260-21latency_hist11:58:177
379012299159,5cyclictest247260-21latency_hist11:58:177
3790122991514,0cyclictest0-21swapper/712:18:327
3790122991511,3cyclictest1234-21snmpd07:43:527
379012299150,13cyclictest0-21swapper/711:58:407
379011999150,1cyclictest0-21swapper/411:51:314
379012299149,4cyclictest635-21systemd-journal10:23:177
3790122991413,0cyclictest0-21swapper/712:34:337
3790122991413,0cyclictest0-21swapper/712:34:337
379012299140,13cyclictest4124141-21ssh09:48:327
3790119991413,1cyclictest0-21swapper/410:28:454
3790119991413,1cyclictest0-21swapper/410:28:454
379011999140,14cyclictest0-21swapper/412:33:564
379011999140,14cyclictest0-21swapper/412:33:564
379011999140,14cyclictest0-21swapper/411:35:174
379011999140,14cyclictest0-21swapper/410:43:064
379011999140,14cyclictest0-21swapper/409:14:484
379011999140,14cyclictest0-21swapper/407:38:474
379011999140,14cyclictest0-21swapper/407:38:474
379012299139,3cyclictest1234-21snmpd11:47:497
379012299139,3cyclictest1234-21snmpd09:03:187
379012299138,4cyclictest6382-21gvfs-afc-volume08:18:347
379012299138,4cyclictest174046-21diskmemload11:28:137
379012299138,4cyclictest1234-21snmpd10:58:307
379012299137,5cyclictest5975-21gmain12:10:467
379012299130,1cyclictest0-21swapper/708:59:217
379012299130,1cyclictest0-21swapper/708:03:437
379011999138,4cyclictest4014852-21packagekitd08:59:204
3790119991312,1cyclictest0-21swapper/412:05:144
3790119991312,1cyclictest0-21swapper/411:17:564
3790119991312,1cyclictest0-21swapper/409:56:264
379011999130,6cyclictest0-21swapper/412:28:324
379011999130,13cyclictest0-21swapper/410:12:214
379011999130,13cyclictest0-21swapper/409:32:284
379011999130,13cyclictest0-21swapper/409:18:424
379012299129,2cyclictest235051-21munin-run11:53:177
379012299129,2cyclictest1234-21snmpd09:19:367
379012299129,2cyclictest1234-21snmpd07:58:327
379012299128,3cyclictest1234-21snmpd12:28:507
379012299128,3cyclictest1234-21snmpd10:38:237
379012299128,3cyclictest1234-21snmpd10:08:407
379012299128,3cyclictest1234-21snmpd08:14:567
379012299128,3cyclictest1234-21snmpd07:21:047
379012299127,4cyclictest827-21dbus-daemon12:07:567
379012299127,3cyclictest1234-21snmpd07:54:177
379012299126,5cyclictest6382-21gvfs-afc-volume10:03:587
379011999129,2cyclictest72967-21needreboot10:43:404
3790119991211,1cyclictest0-21swapper/410:56:394
379012299118,2cyclictest1234-21snmpd08:44:397
379012299117,3cyclictest1234-21snmpd07:42:317
379012299117,3cyclictest1234-21snmpd07:42:317
379012299117,3cyclictest1234-21snmpd07:35:227
379012299117,3cyclictest1234-21snmpd07:14:257
379012299116,4cyclictest1234-21snmpd08:39:537
379012299115,5cyclictest6382-21gvfs-afc-volume09:24:087
379012299115,5cyclictest6382-21gvfs-afc-volume09:08:287
379012299115,5cyclictest6382-21gvfs-afc-volume07:08:487
3790122991110,0cyclictest0-21swapper/709:13:337
379012299110,9cyclictest1127-21containerd10:33:357
3790119991110,1cyclictest0-21swapper/408:49:444
3790119991110,1cyclictest0-21swapper/408:32:524
379011999110,1cyclictest0-21swapper/407:36:254
379012299108,1cyclictest0-21swapper/710:53:397
379012299107,2cyclictest1234-21snmpd08:11:447
379012299106,2cyclictest0-21swapper/711:13:327
37901229997,1cyclictest0-21swapper/711:33:347
37901199998,1cyclictest0-21swapper/411:21:204
37901199998,1cyclictest0-21swapper/407:43:414
37901199995,3cyclictest4160902-21cat10:03:334
37901199995,3cyclictest3899430-21kworker/u16:1+events_unbound08:23:324
37901199990,8cyclictest0-21swapper/407:28:364
37901199986,1cyclictest0-21swapper/410:18:454
37901199986,1cyclictest0-21swapper/409:33:354
37901199986,1cyclictest0-21swapper/408:13:384
37901199986,1cyclictest0-21swapper/407:58:354
37901199986,1cyclictest0-21swapper/407:18:454
37901199985,2cyclictest2790482sleep412:08:364
37901199985,2cyclictest16463-21interrupts10:23:344
37901199984,3cyclictest4107389-21ntp_states09:38:434
37901199984,3cyclictest3985005-21kthreadcore08:43:394
37901199984,3cyclictest3958346-21tune2fs08:33:334
37901199984,3cyclictest200285-21kthreadcore11:38:364
37901199984,3cyclictest168787-21kthreadcore11:23:384
37901199984,3cyclictest101954-21hddtemp_smartct10:58:324
37901199983,4cyclictest77057-21seq10:48:284
37901199983,4cyclictest4188721-21kthreadcore10:13:364
37901199983,4cyclictest4113246-21cut09:43:344
37901199983,4cyclictest41112-21sed10:33:354
37901199983,4cyclictest4002293-21cut08:53:404
37901199983,4cyclictest3930216-21kthreadcore08:18:364
37901199983,4cyclictest3800567-21cut07:13:204
37901199983,4cyclictest249506-21cut11:58:324
37901199983,4cyclictest239022-21cut11:53:354
37901199983,4cyclictest239022-21cut11:53:354
37901199983,4cyclictest218414-21cut11:43:394
37901199980,7cyclictest4029238-21cut09:08:354
37901199975,1cyclictest0-21swapper/409:23:324
37901199974,2cyclictest3910250-21dnf08:08:324
37901199974,2cyclictest287411-21kthreadcore12:13:354
37901199973,3cyclictest3967766-21cat08:38:304
37901199973,3cyclictest309778-21irqcore12:23:334
37901199973,3cyclictest175135-21fschecks_count11:28:324
37901199973,3cyclictest126042-21ls11:08:294
37901199973,3cyclictest113916-21cat11:03:304
37901199972,4cyclictest4123328-21grep09:48:284
37901199972,4cyclictest3871325-21cat07:48:334
37901199972,4cyclictest3823460-21cat07:23:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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