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2025-12-25 - 23:05
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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 Dec 25, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365764726352,8sleep50-21swapper/507:07:055
3658098995145,5cyclictest650-21systemd-journal09:09:077
365759624939,7sleep40-21swapper/407:06:244
3658098994841,6cyclictest3690865-21latency_hist07:24:077
3658091994038,2cyclictest3836259-21kworker/u16:5+events_unbound09:09:224
365771423929,7sleep60-21swapper/607:08:026
36485382383,29sleep70-21swapper/707:04:107
3658098993529,5cyclictest3991039-21latency_hist09:59:077
3658098993529,5cyclictest3991039-21latency_hist09:59:077
3658091993533,2cyclictest4039865-21kworker/u16:3+events_unbound10:59:064
3658091993432,2cyclictest3657842-21kworker/u16:2+events_unbound07:14:234
39233432330,1chrt3923317-21munin-run09:24:077
3658098993130,0cyclictest0-21swapper/707:09:257
365809899310,30cyclictest3981400-21systemd-run09:54:077
3658097993128,3cyclictest4088304-21kworker/u16:2+flush-8:010:59:216
3658091993028,2cyclictest4156131-21kworker/u16:4+events_unbound11:54:204
3658098992928,0cyclictest0-21swapper/709:44:337
3658091992927,2cyclictest4039576-21kworker/u16:2+events_unbound10:24:204
3658097992825,2cyclictest3884786-21kworker/u16:2+events_unbound09:14:216
3658098992721,5cyclictest4185011-21latency_hist11:39:077
3658098992625,0cyclictest0-21swapper/710:49:257
3658098992624,1cyclictest0-21swapper/712:04:287
3658097992623,2cyclictest3609487-21kworker/u16:3+flush-8:007:09:336
3658098992524,0cyclictest0-21swapper/709:09:377
3658097992522,2cyclictest3667656-21kworker/u16:4+flush-8:007:59:266
3658091992523,2cyclictest4185045-21kworker/u16:1+events_unbound11:49:214
3658091992523,2cyclictest4068928-21kworker/u16:0+events_unbound11:29:314
3658091992523,2cyclictest4068928-21kworker/u16:0+events_unbound11:29:314
3658091992523,2cyclictest3690637-21kworker/u16:0+events_unbound07:39:224
3658098992322,0cyclictest0-21swapper/709:34:247
3658098992317,5cyclictest650-21systemd-journal10:29:077
3658093992319,3cyclictest4156131-21kworker/u16:4+flush-8:011:29:335
3658093992319,3cyclictest4156131-21kworker/u16:4+flush-8:011:29:335
3658091992321,2cyclictest3951414-21kworker/u16:0+events_unbound09:59:214
3658098992221,0cyclictest0-21swapper/710:29:357
3658097992220,2cyclictest4039865-21kworker/u16:3+flush-8:011:24:076
3658093992220,2cyclictest3836259-21kworker/u16:5+events_unbound08:49:225
3658093992218,3cyclictest4107347-21pool-/usr/libex10:59:015
3658091992220,2cyclictest4185045-21kworker/u16:1+events_unbound12:29:214
3658091992220,2cyclictest3800410-21kworker/u16:2+events_unbound08:44:254
3658091992220,2cyclictest3667656-21kworker/u16:4+events_unbound08:29:224
3658098992120,0cyclictest0-21swapper/712:09:217
3658097992119,2cyclictest4185045-21kworker/u16:1+flush-8:011:59:336
3658093992119,2cyclictest29997-21kworker/u16:2+flush-8:012:14:225
3658091992119,2cyclictest3836259-21kworker/u16:5+events_unbound08:54:324
3658091992119,2cyclictest3826104-21kworker/u16:0+events_unbound08:39:314
3658091992119,2cyclictest3788061-21kworker/u16:0+events_unbound08:19:264
3658091992119,2cyclictest3788061-21kworker/u16:0+events_unbound08:19:264
3658097992017,2cyclictest3972029-21kworker/u16:4+events_unbound10:39:216
3658097992017,2cyclictest3719996-21kworker/u16:2+events_unbound08:04:336
3658093992018,2cyclictest3690637-21kworker/u16:0+events_unbound07:49:225
3658091992018,2cyclictest4185045-21kworker/u16:1+events_unbound11:39:254
3658091992018,2cyclictest3719996-21kworker/u16:2+flush-8:008:14:024
3658091992018,2cyclictest3667656-21kworker/u16:4+events_unbound08:24:294
3658098991918,0cyclictest0-21swapper/711:29:277
3658098991918,0cyclictest0-21swapper/711:29:277
3658098991918,0cyclictest0-21swapper/711:19:247
3658091991917,2cyclictest3972029-21kworker/u16:4+events_unbound10:39:354
3658098991817,0cyclictest0-21swapper/711:44:347
3658098991817,0cyclictest0-21swapper/710:34:227
3658098991816,1cyclictest0-21swapper/707:49:317
3658098991815,2cyclictest1267-21snmpd11:41:557
3658093991816,2cyclictest4020493-21kworker/u16:0+events_unbound10:14:225
3658093991816,2cyclictest3719996-21kworker/u16:2+flush-8:008:04:375
3658091991816,2cyclictest3972029-21kworker/u16:4+flush-8:010:39:024
3658091991816,2cyclictest3836259-21kworker/u16:5+events_unbound09:14:364
3658091991816,2cyclictest3719996-21kworker/u16:2+events_unbound08:04:214
3658091991816,2cyclictest3667656-21kworker/u16:4+flush-8:007:59:234
3658091991816,2cyclictest30484-21kworker/u16:3+events_unbound12:24:264
365809199180,1cyclictest0-21swapper/407:24:324
3658098991715,1cyclictest0-21swapper/710:59:107
3658097991715,2cyclictest3855884-21kworker/u16:1+events_unbound09:04:306
3658097991715,2cyclictest3609487-21kworker/u16:3+events_unbound07:14:136
3658091991715,2cyclictest3836259-21kworker/u16:5+events_unbound08:49:204
3658091991715,2cyclictest3826104-21kworker/u16:0+events_unbound08:34:274
3658091991715,2cyclictest3609487-21kworker/u16:3+flush-8:007:09:314
3658091991715,2cyclictest30484-21kworker/u16:3+events_unbound12:10:044
3658091991715,2cyclictest29997-21kworker/u16:2+events_unbound12:34:204
365809899166,9cyclictest0-21swapper/709:14:267
3658098991615,0cyclictest0-21swapper/707:44:217
3658098991614,1cyclictest0-21swapper/711:04:327
3658097991614,2cyclictest4088304-21kworker/u16:2+flush-8:011:09:206
3658097991613,2cyclictest3972029-21kworker/u16:4+events_unbound10:19:256
3658093991612,3cyclictest3884786-21kworker/u16:2+events_unbound09:19:205
3658091991614,2cyclictest4088304-21kworker/u16:2+events_unbound11:19:074
3658091991614,2cyclictest3972029-21kworker/u16:4+events_unbound10:06:254
3658091991614,2cyclictest3972029-21kworker/u16:4+events_unbound09:49:294
3658091991614,2cyclictest3836259-21kworker/u16:5+events_unbound08:59:204
3658091991614,2cyclictest3667656-21kworker/u16:4+events_unbound07:54:114
365809899159,5cyclictest4010415-21latency_hist10:09:077
3658098991514,0cyclictest0-21swapper/708:04:317
3658098991512,2cyclictest0-21swapper/708:14:307
3658098991511,3cyclictest1267-21snmpd11:18:257
365809899150,14cyclictest1267-21snmpd08:33:327
3658097991512,2cyclictest4185045-21kworker/u16:1+flush-8:012:34:336
3658091991513,2cyclictest3667656-21kworker/u16:4+events_unbound07:36:184
3658091991513,2cyclictest3667656-21kworker/u16:4+events_unbound07:36:184
365809899140,1cyclictest0-21swapper/708:39:337
365809899140,13cyclictest0-21swapper/708:59:317
365809899140,13cyclictest0-21swapper/708:54:317
365809799140,1cyclictest0-21swapper/609:19:336
365809799140,14cyclictest0-21swapper/612:14:236
365809399140,1cyclictest0-21swapper/510:04:245
365809399140,1cyclictest0-21swapper/507:59:435
3658091991412,2cyclictest3923346-21kworker/u16:1+events_unbound10:18:174
365809899139,3cyclictest1267-21snmpd12:14:087
365809899139,3cyclictest1267-21snmpd11:11:157
365809899136,6cyclictest6184-21gvfs-afc-volume09:29:347
3658098991311,1cyclictest0-21swapper/709:39:277
3658098991310,2cyclictest1267-21snmpd11:53:497
3658098991310,2cyclictest0-21swapper/709:59:077
365809899130,1cyclictest0-21swapper/707:34:307
365809899130,1cyclictest0-21swapper/707:34:307
365809799130,6cyclictest0-21swapper/609:54:226
365809799130,6cyclictest0-21swapper/609:54:226
365809799130,13cyclictest0-21swapper/607:56:006
365809399139,3cyclictest4182825-21cut11:34:275
365809399139,3cyclictest3672633-21cat07:14:235
3658093991310,2cyclictest0-21swapper/512:29:285
365809399130,6cyclictest0-21swapper/511:14:235
365809399130,13cyclictest0-21swapper/511:59:215
365809399130,13cyclictest0-21swapper/509:14:555
365809199138,4cyclictest4118325-21cat11:04:224
3658091991311,2cyclictest74104-21kworker/u16:0+events_unbound12:19:294
3658091991311,2cyclictest4185045-21kworker/u16:1+flush-8:012:00:174
3658091991311,2cyclictest4039865-21kworker/u16:3+events_unbound10:49:314
3658091991311,2cyclictest3951414-21kworker/u16:0+events_unbound09:44:204
3658091991311,2cyclictest3884786-21kworker/u16:2+events_unbound09:27:304
3658091991311,2cyclictest3884786-21kworker/u16:2+events_unbound09:04:234
365809899129,2cyclictest1267-21snmpd12:23:597
365809899129,2cyclictest1267-21snmpd07:29:457
365809899128,3cyclictest1267-21snmpd11:57:497
365809899128,3cyclictest1267-21snmpd11:25:377
365809899128,3cyclictest1267-21snmpd10:42:547
365809899128,3cyclictest1267-21snmpd09:25:457
365809899128,3cyclictest1267-21snmpd08:49:537
365809899127,4cyclictest3729349-21sshd-session07:40:267
365809899127,4cyclictest1267-21snmpd07:14:127
365809899125,6cyclictest0-21swapper/708:44:267
365809899120,4cyclictest4107725-21latency_hist10:59:087
365809899120,4cyclictest106915-21ntpq12:34:307
365809899120,11cyclictest1267-21snmpd07:57:287
365809899120,10cyclictest0-21swapper/707:59:307
365809799128,3cyclictest3798555-21cat08:19:256
365809799128,3cyclictest3798555-21cat08:19:256
365809799128,3cyclictest3721114-21cat07:39:216
3658097991211,1cyclictest0-21swapper/612:11:336
3658097991211,1cyclictest0-21swapper/609:13:246
3658097991211,1cyclictest0-21swapper/609:04:066
3658097991211,1cyclictest0-21swapper/607:44:396
3658097991210,2cyclictest4156131-21kworker/u16:4+flush-8:011:59:076
365809799120,1cyclictest0-21swapper/608:54:486
365809799120,1cyclictest0-21swapper/608:36:406
3658093991211,1cyclictest0-21swapper/511:42:585
3658093991211,1cyclictest0-21swapper/511:06:425
3658093991211,1cyclictest0-21swapper/510:13:255
3658093991211,1cyclictest0-21swapper/508:24:575
3658093991211,1cyclictest0-21swapper/508:16:265
3658093991211,1cyclictest0-21swapper/507:54:125
3658093991211,1cyclictest0-21swapper/507:48:515
3658093991210,2cyclictest3609487-21kworker/u16:3+flush-8:007:19:235
3658093991210,1cyclictest0-21swapper/509:50:045
365809399120,1cyclictest0-21swapper/510:39:545
365809399120,1cyclictest0-21swapper/510:25:055
365809399120,1cyclictest0-21swapper/509:26:545
365809399120,12cyclictest0-21swapper/512:26:475
365809399120,12cyclictest0-21swapper/511:56:405
365809399120,12cyclictest0-21swapper/510:45:535
365809399120,12cyclictest0-21swapper/509:29:455
365809399120,12cyclictest0-21swapper/508:45:175
365809199128,3cyclictest4050363-21cat10:29:244
3658091991211,1cyclictest0-21swapper/408:15:114
3658091991210,2cyclictest4039865-21kworker/u16:3+events_unbound11:10:024
3658091991210,2cyclictest4039865-21kworker/u16:3+events_unbound11:03:184
3658091991210,2cyclictest3923346-21kworker/u16:1+flush-8:009:29:494
3658091991210,2cyclictest3923346-21kworker/u16:1+events_unbound09:40:144
3658091991210,2cyclictest3894582-21kworker/u16:0+events_unbound09:19:354
365809199120,1cyclictest0-21swapper/411:27:134
365809899118,2cyclictest1267-21snmpd12:26:477
365809899118,2cyclictest1267-21snmpd07:28:097
365809899117,3cyclictest4019791-21sshd-session10:09:507
365809899117,3cyclictest1267-21snmpd10:19:117
365809899117,3cyclictest1267-21snmpd10:15:147
365809899114,6cyclictest0-21swapper/712:32:397
365809899113,8cyclictest924-21NetworkManager08:24:247
365809899111,9cyclictest0-21swapper/708:34:227
365809899110,1cyclictest3782584-21sshd-session08:09:267
3658097991110,1cyclictest0-21swapper/612:05:536
3658097991110,1cyclictest0-21swapper/611:51:516
3658097991110,1cyclictest0-21swapper/611:37:396
3658097991110,1cyclictest0-21swapper/610:04:386
3658097991110,1cyclictest0-21swapper/609:46:506
3658097991110,1cyclictest0-21swapper/608:42:406
3658097991110,1cyclictest0-21swapper/608:27:416
3658097991110,1cyclictest0-21swapper/607:24:186
365809799110,11cyclictest0-21swapper/612:28:446
365809799110,11cyclictest0-21swapper/612:20:046
365809799110,11cyclictest0-21swapper/609:52:496
365809799110,11cyclictest0-21swapper/609:28:516
365809799110,0cyclictest0-21swapper/610:50:316
365809799110,0cyclictest0-21swapper/610:10:476
365809399118,2cyclictest4157196-21irqcore11:24:225
365809399118,2cyclictest3951562-21switchtime09:34:355
3658093991110,1cyclictest0-21swapper/512:21:165
3658093991110,1cyclictest0-21swapper/511:54:005
3658093991110,1cyclictest0-21swapper/510:01:355
3658093991110,1cyclictest0-21swapper/508:10:455
3658093991110,1cyclictest0-21swapper/507:40:395
365809399110,0cyclictest0-21swapper/508:19:165
365809399110,0cyclictest0-21swapper/508:19:165
365809399110,0cyclictest0-21swapper/507:12:545
365809199119,2cyclictest3884786-21kworker/u16:2+flush-8:009:34:234
365809199117,3cyclictest3740192-21df07:49:204
3658091991110,1cyclictest0-21swapper/412:06:474
3658091991110,1cyclictest0-21swapper/409:57:214
3658091991110,1cyclictest0-21swapper/409:57:214
365809199110,11cyclictest0-21swapper/412:18:084
365809199110,11cyclictest0-21swapper/411:47:144
365809199110,0cyclictest0-21swapper/411:35:434
626589100,1rtkit-daemon0-21swapper/512:09:185
365809899107,2cyclictest1267-21snmpd12:00:227
365809899106,3cyclictest1267-21snmpd10:46:547
365809899100,9cyclictest1267-21snmpd08:22:107
365809899100,9cyclictest1267-21snmpd08:22:107
365809799109,1cyclictest0-21swapper/611:46:106
365809799109,1cyclictest0-21swapper/611:26:096
365809799109,1cyclictest0-21swapper/609:37:506
365809799109,1cyclictest0-21swapper/608:33:406
365809799109,1cyclictest0-21swapper/608:15:526
365809799107,3cyclictest4156131-21kworker/u16:4+flush-8:011:29:226
365809799107,3cyclictest4156131-21kworker/u16:4+flush-8:011:29:226
365809399109,1cyclictest0-21swapper/512:34:595
365809399109,1cyclictest0-21swapper/509:44:155
365809399109,1cyclictest0-21swapper/509:41:255
365809399109,1cyclictest0-21swapper/509:05:565
365809399109,1cyclictest0-21swapper/508:59:575
365809399109,1cyclictest0-21swapper/508:36:275
365809399108,2cyclictest4154702-21kthreadcore11:19:285
365809199109,1cyclictest3687888-21cut07:19:294
365809199108,2cyclictest3690637-21kworker/u16:0+flush-8:007:44:184
365809199106,1cyclictest4150892-21kthreadcore11:19:264
365809199100,0cyclictest0-21swapper/407:32:374
36580979998,1cyclictest0-21swapper/608:13:016
36580979998,1cyclictest0-21swapper/607:53:096
36580979998,1cyclictest0-21swapper/607:35:586
36580979998,1cyclictest0-21swapper/607:35:586
36580979997,2cyclictest4088304-21kworker/u16:2+events_unbound11:14:226
36580979997,2cyclictest4039865-21kworker/u16:3+events_unbound10:54:366
36580979997,1cyclictest1551679-21dockerd10:46:156
36580939998,1cyclictest0-21swapper/511:12:325
36580939998,1cyclictest0-21swapper/507:37:495
36580939998,1cyclictest0-21swapper/507:37:495
36580939997,1cyclictest0-21swapper/512:04:245
36580939997,1cyclictest0-21swapper/511:44:205
36580939997,1cyclictest0-21swapper/510:34:245
36580939997,1cyclictest0-21swapper/510:29:315
36580939997,1cyclictest0-21swapper/509:09:275
36580939997,1cyclictest0-21swapper/508:54:325
36580939997,1cyclictest0-21swapper/508:29:265
36580939997,1cyclictest0-21swapper/507:29:295
36580939997,1cyclictest0-21swapper/507:24:275
36580919997,2cyclictest4068928-21kworker/u16:0+events_unbound10:45:334
36580919997,2cyclictest3923346-21kworker/u16:1+events_unbound10:10:264
36580919997,1cyclictest4034797-21cut10:19:284
36580979987,1cyclictest0-21swapper/610:25:556
36580979987,1cyclictest0-21swapper/607:21:286
36580979986,1cyclictest0-21swapper/611:39:226
36580979985,2cyclictest0-21swapper/608:49:246
36580979983,4cyclictest89626-21cat12:29:236
36580979983,4cyclictest4064976-21tr10:34:266
36580979983,4cyclictest4053471-21cut10:29:276
36580979983,4cyclictest4022262-21grep10:14:246
36580979983,4cyclictest3935651-21cut09:29:266
36580979983,4cyclictest3850269-21cut08:44:266
36580979983,4cyclictest3702763-21cut07:29:276
36580939987,1cyclictest0-21swapper/509:55:455
36580939987,1cyclictest0-21swapper/509:55:455
36580939986,1cyclictest0-21swapper/510:59:205
36580939986,1cyclictest0-21swapper/510:49:205
36580939986,1cyclictest0-21swapper/510:19:225
36580939986,1cyclictest0-21swapper/508:39:265
36580979975,2cyclictest4107799-21kworker/u16:4+flush-8:011:04:336
36580979975,1cyclictest0-21swapper/609:59:206
36580979970,6cyclictest0-21swapper/609:39:206
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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