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2026-07-20 - 13:43
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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 all highest latencies:
System rack0slot2.osadl.org (updated Mon Jul 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199123424939,7sleep50-21swapper/507:09:325
198197324533,8sleep40-21swapper/407:04:424
199109124130,8sleep60-21swapper/607:07:336
19904742403,31sleep70-21swapper/707:05:097
1991520993634,2cyclictest2500094-21kworker/u16:2+flush-8:011:49:285
1991520993633,2cyclictest2647543-21kworker/u16:0+events_unbound12:19:335
1991524993533,2cyclictest2559486-21kworker/u16:1+events_unbound11:38:196
1991524993533,2cyclictest2484853-21kworker/u16:0+events_unbound10:55:476
1991520993532,2cyclictest2537032-21kworker/u16:4+flush-8:011:19:345
1991524993427,7cyclictest2131184-21kworker/u16:3+flush-8:010:23:516
1991524993230,2cyclictest2585950-21kworker/u16:4+events_unbound12:03:206
1991524993230,2cyclictest2315302-21kworker/u16:2+events_unbound10:02:106
1991524993230,2cyclictest2188500-21kworker/u16:0+flush-8:010:10:036
1991524993230,2cyclictest2188500-21kworker/u16:0+events_unbound09:24:056
1991517993230,2cyclictest2585950-21kworker/u16:4+events_unbound11:44:284
1991524993129,2cyclictest2500094-21kworker/u16:2+flush-8:011:56:316
1991524993129,2cyclictest2484853-21kworker/u16:0+events_unbound11:27:186
1991524993129,2cyclictest2188500-21kworker/u16:0+events_unbound09:52:596
1991524993129,2cyclictest2053986-21kworker/u16:0+events_unbound08:23:366
1991524992927,2cyclictest2710168-21kworker/u16:1+events_unbound12:26:066
1991524992927,2cyclictest2484853-21kworker/u16:0+events_unbound11:31:116
1991524992927,2cyclictest2149657-21kworker/u16:4+flush-8:008:30:476
1991524992927,2cyclictest2131184-21kworker/u16:3+events_unbound11:40:426
1991524992924,4cyclictest2351902-21cat09:59:336
1991524992923,6cyclictest2374330-21kworker/u16:1+flush-8:010:07:136
1991520992926,2cyclictest2131184-21kworker/u16:3+events_unbound12:19:515
1991517992927,2cyclictest1990932-21kworker/u16:0+events_unbound07:10:374
1991526992823,4cyclictest648-21systemd-journal10:09:287
199152699280,26cyclictest2644142-21cat11:54:587
1991524992826,2cyclictest2647543-21kworker/u16:0+events_unbound12:11:136
1991524992826,2cyclictest2484916-21kworker/u16:1+events_unbound10:54:286
1991524992826,2cyclictest2401569-21kworker/u16:0+events_unbound10:30:286
1991524992826,2cyclictest2315302-21kworker/u16:2+events_unbound10:46:556
1991524992826,2cyclictest2315302-21kworker/u16:2+events_unbound10:46:556
1991524992826,2cyclictest2188500-21kworker/u16:0+events_unbound09:47:156
1991524992826,2cyclictest2131184-21kworker/u16:3+events_unbound12:36:276
1991524992826,2cyclictest2092195-21kworker/u16:2+events_unbound09:07:366
1991520992826,2cyclictest2092195-21kworker/u16:2+events_unbound09:05:005
1991526992725,1cyclictest0-21swapper/707:44:517
1991524992725,2cyclictest2585950-21kworker/u16:4+events_unbound12:21:466
1991524992725,2cyclictest2559486-21kworker/u16:1+events_unbound11:45:176
1991524992725,2cyclictest2240943-21kworker/u16:1+events_unbound09:37:256
1991524992725,2cyclictest2188500-21kworker/u16:0+events_unbound09:32:516
1991524992725,2cyclictest2188500-21kworker/u16:0+events_unbound09:17:256
1991524992725,2cyclictest2131184-21kworker/u16:3+flush-8:011:00:156
1991524992725,2cyclictest2131184-21kworker/u16:3+events_unbound11:09:276
1991524992725,2cyclictest2053986-21kworker/u16:0+events_unbound07:47:056
1991524992725,2cyclictest2023642-21kworker/u16:3+events_unbound07:34:456
1991517992725,2cyclictest2315302-21kworker/u16:2+events_unbound09:55:474
1991517992725,2cyclictest2131184-21kworker/u16:3+events_unbound11:03:514
22884432260,1chrt2288444-21ssh09:31:317
1991524992624,2cyclictest2585950-21kworker/u16:4+events_unbound12:19:156
1991524992624,2cyclictest2315302-21kworker/u16:2+flush-8:010:34:396
1991524992624,2cyclictest2315302-21kworker/u16:2+events_unbound10:15:066
1991524992624,2cyclictest2149657-21kworker/u16:4+events_unbound09:02:376
1991524992624,2cyclictest2131184-21kworker/u16:3+flush-8:009:26:056
1991517992624,2cyclictest2559486-21kworker/u16:1+flush-8:011:46:424
1991517992624,2cyclictest2500094-21kworker/u16:2+events_unbound11:07:484
1991517992624,2cyclictest2315302-21kworker/u16:2+events_unbound10:19:454
1991517992624,2cyclictest2315302-21kworker/u16:2+events_unbound10:01:214
1991517992624,2cyclictest2149657-21kworker/u16:4+events_unbound08:58:254
1991517992624,2cyclictest2149657-21kworker/u16:4+events_unbound08:42:004
1991517992624,2cyclictest2131184-21kworker/u16:3+flush-8:011:29:554
1991517992624,2cyclictest2131184-21kworker/u16:3+events_unbound11:11:524
1991517992624,2cyclictest2131184-21kworker/u16:3+events_unbound09:42:594
1991517992624,2cyclictest2131184-21kworker/u16:3+events_unbound08:37:404
1991517992624,2cyclictest2131184-21kworker/u16:3+events_unbound08:37:404
1991517992624,2cyclictest2092195-21kworker/u16:2+events_unbound08:54:094
1991517992624,2cyclictest2023642-21kworker/u16:3+events_unbound07:39:324
1991524992523,2cyclictest2730998-21kworker/u16:0+flush-8:012:31:466
1991524992523,2cyclictest2484853-21kworker/u16:0+events_unbound11:22:026
1991524992523,2cyclictest2484853-21kworker/u16:0+events_unbound11:16:266
1991524992523,2cyclictest2131184-21kworker/u16:3+flush-8:010:41:416
1991524992523,2cyclictest2131184-21kworker/u16:3+events_unbound09:44:156
1991524992523,2cyclictest2092195-21kworker/u16:2+events_unbound08:39:366
1991524992523,2cyclictest1990932-21kworker/u16:0+events_unbound07:11:046
1991520992523,2cyclictest1867007-21kworker/u16:1+events_unbound07:09:485
1991517992523,2cyclictest2448181-21kworker/u16:1+flush-8:010:39:234
1991517992523,2cyclictest2315302-21kworker/u16:2+events_unbound10:18:454
1991517992523,2cyclictest2131184-21kworker/u16:3+events_unbound09:21:454
1991517992523,2cyclictest2092195-21kworker/u16:2+flush-8:008:16:484
27193742240,1chrt2719373-21ssh12:26:187
1991526992423,0cyclictest0-21swapper/709:19:537
1991526992423,0cyclictest0-21swapper/707:59:527
1991526992422,1cyclictest2228300-21diskmemload12:37:367
1991526992422,1cyclictest0-21swapper/711:14:557
1991524992422,2cyclictest2669728-21kworker/u16:1+flush-8:012:06:406
1991524992422,2cyclictest2559486-21kworker/u16:1+events_unbound11:52:376
1991524992422,2cyclictest2315302-21kworker/u16:2+events_unbound10:28:456
1991524992422,2cyclictest2092195-21kworker/u16:2+events_unbound07:58:376
1991524992422,2cyclictest1867007-21kworker/u16:1+events_unbound07:17:376
1991524992422,2cyclictest1692614-21kworker/u16:7+events_unbound07:52:496
1991520992422,2cyclictest2315302-21kworker/u16:2+events_unbound10:14:565
1991520992422,2cyclictest2188500-21kworker/u16:0+flush-8:009:25:005
1991520992422,2cyclictest2149657-21kworker/u16:4+flush-8:008:30:015
1991520992422,2cyclictest2023642-21kworker/u16:3+flush-8:007:30:005
1991520992421,3cyclictest2131184-21kworker/u16:3+events_unbound11:59:555
1991517992422,2cyclictest2730998-21kworker/u16:0+events_unbound12:34:264
1991517992422,2cyclictest2585950-21kworker/u16:4+events_unbound12:28:324
1991517992422,2cyclictest2559486-21kworker/u16:1+flush-8:011:50:174
1991517992422,2cyclictest2537032-21kworker/u16:4+events_unbound11:16:394
1991517992422,2cyclictest2131184-21kworker/u16:3+events_unbound09:01:174
1991517992422,2cyclictest2053986-21kworker/u16:0+events_unbound08:21:494
1991517992422,2cyclictest2053986-21kworker/u16:0+events_unbound08:00:484
1991517992422,2cyclictest2023642-21kworker/u16:3+events_unbound07:23:404
1991517992422,2cyclictest1867007-21kworker/u16:1+events_unbound07:57:484
1991517992422,2cyclictest1867007-21kworker/u16:1+events_unbound07:16:524
1991526992321,1cyclictest0-21swapper/709:39:567
1991524992321,2cyclictest2188500-21kworker/u16:0+flush-8:008:55:246
1991524992321,2cyclictest2149657-21kworker/u16:4+flush-8:008:25:406
1991524992321,2cyclictest2131184-21kworker/u16:3+events_unbound11:10:186
1991524992321,2cyclictest2092195-21kworker/u16:2+events_unbound08:34:436
1991524992321,2cyclictest2092195-21kworker/u16:2+events_unbound08:34:436
1991524992321,2cyclictest2016310-21kworker/u16:0+events_unbound07:27:006
1991520992321,2cyclictest2585950-21kworker/u16:4+flush-8:012:05:085
1991520992321,2cyclictest2315302-21kworker/u16:2+events_unbound10:04:485
1991520992321,2cyclictest2131184-21kworker/u16:3+events_unbound11:39:335
1991520992321,2cyclictest1867007-21kworker/u16:1+flush-8:008:10:045
1991517992321,2cyclictest2188500-21kworker/u16:0+flush-8:009:25:074
1991517992321,2cyclictest2131184-21kworker/u16:3+events_unbound10:55:294
1991517992321,2cyclictest2092195-21kworker/u16:2+events_unbound08:32:084
1991517992321,2cyclictest2092195-21kworker/u16:2+events_unbound08:13:524
1991517992321,2cyclictest2023642-21kworker/u16:3+events_unbound07:34:004
1991526992221,0cyclictest0-21swapper/710:49:537
199152699220,20cyclictest2516793-21cut11:04:547
199152699220,20cyclictest2388343-21sh10:13:447
1991524992220,2cyclictest2092195-21kworker/u16:2+flush-8:008:53:396
1991524992220,2cyclictest2092195-21kworker/u16:2+events_unbound08:13:176
1991524992220,2cyclictest2092195-21kworker/u16:2+events_unbound08:08:246
1991524992220,2cyclictest2053986-21kworker/u16:0+events_unbound07:41:416
1991524992220,2cyclictest1867007-21kworker/u16:1+events_unbound08:14:376
1991520992220,2cyclictest2484853-21kworker/u16:0+flush-8:011:23:325
1991520992220,2cyclictest2450553-21kworker/u16:4+events_unbound10:54:565
1991520992220,2cyclictest2188500-21kworker/u16:0+flush-8:009:20:125
1991520992220,2cyclictest2149657-21kworker/u16:4+events_unbound08:35:005
1991520992220,2cyclictest2149657-21kworker/u16:4+events_unbound08:35:005
1991517992220,2cyclictest2647543-21kworker/u16:0+events_unbound12:23:244
1991517992220,2cyclictest2585950-21kworker/u16:4+events_unbound12:12:254
1991517992220,2cyclictest2484916-21kworker/u16:1+events_unbound10:52:354
1991517992220,2cyclictest2131184-21kworker/u16:3+events_unbound09:04:504
1991517992220,2cyclictest2092195-21kworker/u16:2+events_unbound08:07:524
1991517992220,2cyclictest1692614-21kworker/u16:7+events_unbound07:47:524
1991526992120,0cyclictest0-21swapper/708:49:577
1991526992118,2cyclictest2237596-21smart_sda09:10:027
1991524992119,2cyclictest2188500-21kworker/u16:0+flush-8:008:49:236
1991524992119,2cyclictest2016310-21kworker/u16:0+events_unbound07:22:106
1991520992119,2cyclictest2710168-21kworker/u16:1+events_unbound12:25:315
1991520992119,2cyclictest2585950-21kworker/u16:4+events_unbound11:40:285
1991520992119,2cyclictest2188500-21kworker/u16:0+flush-8:009:52:125
1991520992119,2cyclictest2188500-21kworker/u16:0+events_unbound09:14:175
1991520992119,2cyclictest2149657-21kworker/u16:4+flush-8:009:18:455
1991520992119,2cyclictest2149657-21kworker/u16:4+flush-8:008:59:295
1991520992119,2cyclictest2131184-21kworker/u16:3+flush-8:012:14:315
1991520992119,2cyclictest2131184-21kworker/u16:3+events_unbound10:49:245
1991520992119,2cyclictest2131184-21kworker/u16:3+events_unbound10:49:245
1991520992119,2cyclictest1692614-21kworker/u16:7+events_unbound07:49:525
1991517992119,2cyclictest2585950-21kworker/u16:4+flush-8:011:55:164
1991517992119,2cyclictest2149657-21kworker/u16:4+flush-8:008:28:394
1991517992119,2cyclictest2092195-21kworker/u16:2+flush-8:008:45:484
1991517992119,2cyclictest2016310-21kworker/u16:0+events_unbound07:26:094
24114402200,1chrt2411438-21ssh10:21:007
1991526992018,1cyclictest0-21swapper/712:29:537
1991524992018,2cyclictest2023642-21kworker/u16:3+events_unbound07:33:526
1991524992018,2cyclictest1867007-21kworker/u16:1+events_unbound08:01:256
1991520992018,2cyclictest2559486-21kworker/u16:1+events_unbound11:52:435
1991520992018,2cyclictest2484916-21kworker/u16:1+events_unbound10:53:245
1991520992018,2cyclictest2131184-21kworker/u16:3+events_unbound12:29:565
1991520992018,2cyclictest1867007-21kworker/u16:1+events_unbound08:24:475
1991517992018,2cyclictest2647543-21kworker/u16:0+events_unbound12:06:204
1991517992018,2cyclictest2484853-21kworker/u16:0+flush-8:011:20:144
1991517992018,2cyclictest2315302-21kworker/u16:2+events_unbound10:05:334
1991517992018,2cyclictest2149657-21kworker/u16:4+flush-8:009:10:094
1991517992018,2cyclictest2131184-21kworker/u16:3+events_unbound10:43:044
1991517992018,2cyclictest2053986-21kworker/u16:0+flush-8:007:40:474
1991517992018,2cyclictest1867007-21kworker/u16:1+events_unbound07:52:084
1991526991918,0cyclictest0-21swapper/708:14:497
1991526991918,0cyclictest0-21swapper/707:34:477
1991520991917,2cyclictest2500094-21kworker/u16:2+flush-8:011:29:285
1991520991917,2cyclictest2131184-21kworker/u16:3+flush-8:011:10:395
1991520991917,2cyclictest2131184-21kworker/u16:3+events_unbound10:33:325
1991517991917,2cyclictest2188500-21kworker/u16:0+events_unbound09:50:304
1991517991917,2cyclictest2131184-21kworker/u16:3+flush-8:012:14:394
1991517991917,2cyclictest2131184-21kworker/u16:3+flush-8:010:48:464
1991517991917,2cyclictest2131184-21kworker/u16:3+flush-8:010:48:464
1991517991917,2cyclictest2131184-21kworker/u16:3+events_unbound12:01:504
1991517991917,2cyclictest2131184-21kworker/u16:3+events_unbound09:35:144
1991526991817,0cyclictest0-21swapper/711:29:517
1991526991816,1cyclictest0-21swapper/709:37:037
1991520991816,2cyclictest2240943-21kworker/u16:1+events_unbound09:39:365
1991520991816,2cyclictest2188500-21kworker/u16:0+flush-8:009:59:115
1991520991816,2cyclictest2188500-21kworker/u16:0+events_unbound09:34:295
1991520991816,2cyclictest2131184-21kworker/u16:3+flush-8:010:35:035
1991520991816,2cyclictest2131184-21kworker/u16:3+flush-8:010:21:435
1991520991816,2cyclictest2131184-21kworker/u16:3+events_unbound12:38:345
1991520991816,2cyclictest2131184-21kworker/u16:3+events_unbound10:13:165
1991520991816,2cyclictest1867007-21kworker/u16:1+flush-8:007:55:025
1991517991816,2cyclictest2315302-21kworker/u16:2+flush-8:010:27:574
1991517991816,2cyclictest2315302-21kworker/u16:2+events_unbound09:49:084
1991526991713,3cyclictest1302-21snmpd09:18:297
199152699170,1cyclictest0-21swapper/711:44:587
199152699170,16cyclictest1302-21snmpd10:47:527
199152699170,16cyclictest1302-21snmpd10:47:527
1991520991715,2cyclictest2484853-21kworker/u16:0+flush-8:011:30:315
1991520991715,2cyclictest2023642-21kworker/u16:3+flush-8:007:44:295
1991520991715,2cyclictest2023642-21kworker/u16:3+events_unbound07:23:275
1991520991715,2cyclictest1867007-21kworker/u16:1+events_unbound07:14:495
1991517991715,2cyclictest2743402-21kworker/u16:2+events_unbound12:39:174
1991517991715,2cyclictest2559486-21kworker/u16:1+events_unbound11:25:074
199152699160,14cyclictest0-21swapper/710:54:587
1991520991614,2cyclictest2315302-21kworker/u16:2+events_unbound10:01:275
1991520991614,2cyclictest2131184-21kworker/u16:3+flush-8:011:04:545
1991520991614,2cyclictest2131184-21kworker/u16:3+flush-8:010:27:315
1991520991614,2cyclictest2131184-21kworker/u16:3+events_unbound09:44:405
1991517991614,2cyclictest2315302-21kworker/u16:2+flush-8:010:13:574
1991517991614,2cyclictest2188500-21kworker/u16:0+flush-8:009:16:164
1991517991614,2cyclictest2131184-21kworker/u16:3+flush-8:009:30:364
199152699157,7cyclictest6124-21gmain11:40:317
1991526991513,1cyclictest2349606-21ssh09:55:397
1991526991512,2cyclictest0-21swapper/708:55:007
1991526991511,3cyclictest1302-21snmpd10:43:477
199152699150,13cyclictest1302-21snmpd12:23:087
1991520991513,2cyclictest2240943-21kworker/u16:1+flush-8:009:35:445
1991520991513,2cyclictest2131184-21kworker/u16:3+flush-8:008:19:575
1991520991513,2cyclictest2131184-21kworker/u16:3+events_unbound10:41:485
1991520991513,2cyclictest1867007-21kworker/u16:1+events_unbound08:04:375
1991517991513,2cyclictest2131184-21kworker/u16:3+flush-8:011:37:044
1991517991513,2cyclictest2131184-21kworker/u16:3+events_unbound10:30:164
1991526991413,0cyclictest0-21swapper/707:54:497
1991526991412,1cyclictest2228300-21diskmemload12:19:337
1991526991411,2cyclictest1302-21snmpd08:36:227
1991526991411,2cyclictest1302-21snmpd08:36:227
199152699140,1cyclictest0-21swapper/708:45:027
199152699140,13cyclictest2082731-21turbostat07:54:337
199152099149,4cyclictest2636564-21cat11:54:505
1991520991412,2cyclictest2092195-21kworker/u16:2+flush-8:008:49:505
1991520991412,2cyclictest2023642-21kworker/u16:3+events_unbound07:24:495
1991520991412,2cyclictest1867007-21kworker/u16:1+flush-8:008:40:045
199152699139,3cyclictest1302-21snmpd09:04:087
199152699139,3cyclictest1302-21snmpd07:24:477
199152699139,3cyclictest1302-21snmpd07:15:417
199152699136,6cyclictest6050-21gmain08:11:357
199152699135,7cyclictest6050-21gmain09:04:557
199152699130,11cyclictest1302-21snmpd12:13:207
199152499130,0cyclictest0-21swapper/609:10:236
1991520991311,2cyclictest2188500-21kworker/u16:0+events_unbound08:46:345
1991520991311,2cyclictest2149657-21kworker/u16:4+events_unbound09:03:135
1991520991311,2cyclictest2131184-21kworker/u16:3+flush-8:011:03:225
1991520991311,2cyclictest1867007-21kworker/u16:1+flush-8:007:35:025
199152699129,2cyclictest1302-21snmpd10:25:347
1991526991212,0cyclictest0-21swapper/708:04:517
199152699120,3cyclictest2535220-21ssh11:12:087
199152699120,11cyclictest2447988-21ssh10:35:217
199152699120,11cyclictest1302-21snmpd09:47:337
199152699120,10cyclictest1302-21snmpd12:04:467
1991520991210,2cyclictest2072047-21kworker/u16:2+events_unbound07:45:265
199152699119,1cyclictest0-21swapper/711:04:347
199152699118,2cyclictest1302-21snmpd12:03:167
199152699118,2cyclictest1302-21snmpd07:39:547
199152699117,3cyclictest1302-21snmpd08:20:377
199152699117,3cyclictest1302-21snmpd07:30:057
199152699117,3cyclictest1302-21snmpd07:21:237
199152699110,9cyclictest2336919-21rm09:50:077
199152699110,2cyclictest2363075-21ssh10:02:377
199152699110,1cyclictest2560768-21ssh11:23:487
199152699110,1cyclictest0-21swapper/710:29:517
199152699110,10cyclictest2276962-21ssh09:28:117
199152699110,10cyclictest0-21swapper/708:29:577
1991520991110,1cyclictest0-21swapper/508:00:255
199152699107,2cyclictest1302-21snmpd11:25:487
199152699107,2cyclictest0-21swapper/711:35:037
199152699106,3cyclictest1302-21snmpd08:27:197
199152699105,4cyclictest1302-21snmpd08:39:557
199152699100,9cyclictest1302-21snmpd07:13:447
199152699100,8cyclictest2389379-21ssh10:14:447
199152699100,1cyclictest0-21swapper/711:49:537
199152099108,2cyclictest1867007-21kworker/u16:1+flush-8:008:17:325
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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