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2026-06-30 - 19:38
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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 Tue Jun 30, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38265652670,1sleep73826566-21latency_hist07:39:077
3764509995853,4cyclictest4001589-21kworker/u16:3+flush-8:009:24:075
376401425848,7sleep40-21swapper/407:06:204
376407125545,7sleep50-21swapper/507:07:095
376392125217,30sleep70-21swapper/707:05:037
3764509994038,2cyclictest4001589-21kworker/u16:3+events_unbound11:53:025
3764509994038,2cyclictest197200-21kworker/u16:0+events_unbound12:03:065
3764509994037,2cyclictest3865537-21kworker/u16:0+flush-8:008:44:075
3764509993937,2cyclictest4099636-21kworker/u16:0+events_unbound09:51:115
3764513993734,2cyclictest4099636-21kworker/u16:0+flush-8:010:04:076
3764509993634,2cyclictest50475-21kworker/u16:0+events_unbound10:46:025
3764507993532,2cyclictest4001589-21kworker/u16:3+flush-8:010:34:364
376418523524,8sleep60-21swapper/607:08:476
3764513993432,2cyclictest4001589-21kworker/u16:3+flush-8:009:29:226
3764509993433,1cyclictest3894368-21kworker/u16:1+events_unbound09:26:105
3764509993432,2cyclictest4001589-21kworker/u16:3+events_unbound10:31:035
3764507993432,2cyclictest4026449-21kworker/u16:0+events_unbound09:35:114
3764513993331,2cyclictest4026449-21kworker/u16:0+flush-8:009:39:076
3764509993331,2cyclictest4027349-21kworker/u16:4+events_unbound10:04:095
3764509993331,2cyclictest4027349-21kworker/u16:4+events_unbound09:33:105
3764509993331,2cyclictest3982425-21kworker/u16:2+events_unbound09:13:025
3764509993330,3cyclictest4001589-21kworker/u16:3+flush-8:010:39:025
3764507993331,2cyclictest211881-21kworker/u16:5+events_unbound12:36:174
3764513993230,2cyclictest4001589-21kworker/u16:3+events_unbound12:34:356
3764513993229,3cyclictest4001589-21kworker/u16:3+flush-8:011:49:456
3764509993230,2cyclictest113459-21kworker/u16:2+events_unbound11:21:105
3764507993230,2cyclictest87111-21kworker/u16:1+events_unbound11:36:234
3764507993230,2cyclictest4001589-21kworker/u16:3+flush-8:010:54:464
3764507993230,2cyclictest4001589-21kworker/u16:3+events_unbound11:01:184
3764507993230,2cyclictest4001589-21kworker/u16:3+events_unbound11:01:184
3764507993230,2cyclictest113459-21kworker/u16:2+events_unbound11:22:174
3764507993229,2cyclictest4001589-21kworker/u16:3+events_unbound10:49:114
3764507993129,2cyclictest4001589-21kworker/u16:3+flush-8:009:15:494
3764507993129,2cyclictest197200-21kworker/u16:0+events_unbound11:51:224
3764515993028,1cyclictest0-21swapper/712:04:307
3764509993028,2cyclictest4148491-21kworker/u16:1+events_unbound10:17:305
3764509993028,2cyclictest4059859-21kworker/u16:2+events_unbound09:45:115
3764509993028,2cyclictest4001589-21kworker/u16:3+events_unbound11:58:185
3764509993028,2cyclictest211881-21kworker/u16:5+events_unbound12:33:065
3764509993028,2cyclictest138557-21kworker/u16:4+events_unbound11:31:105
3764507993028,2cyclictest50475-21kworker/u16:0+flush-8:011:04:494
3764507993027,2cyclictest211881-21kworker/u16:5+flush-8:012:09:174
3764515992925,3cyclictest77378-21latency_hist10:59:067
3764509992927,2cyclictest211881-21kworker/u16:5+events_unbound12:27:315
3764509992927,2cyclictest211881-21kworker/u16:5+events_unbound12:27:315
3764509992927,2cyclictest211881-21kworker/u16:5+events_unbound12:06:585
3764509992927,2cyclictest16256-21kworker/u16:4+events_unbound10:51:185
3764507992927,2cyclictest4172921-21kworker/u16:2+events_unbound10:39:114
3764507992927,2cyclictest3855686-21kworker/u16:1+flush-8:008:04:034
3764507992927,2cyclictest211881-21kworker/u16:5+events_unbound12:04:204
3764507992926,2cyclictest4001589-21kworker/u16:3+events_unbound09:09:184
3764509992826,2cyclictest87111-21kworker/u16:1+events_unbound10:59:505
3764509992826,2cyclictest87111-21kworker/u16:1+events_unbound10:59:505
3764509992826,2cyclictest50475-21kworker/u16:0+events_unbound11:11:185
3764509992826,2cyclictest4027349-21kworker/u16:4+events_unbound10:00:475
3764509992826,2cyclictest4027349-21kworker/u16:4+events_unbound09:42:355
3764509992826,2cyclictest4001589-21kworker/u16:3+events_unbound11:28:425
3764509992826,2cyclictest3735218-21kworker/u16:0+flush-8:007:29:345
3764509992826,2cyclictest197200-21kworker/u16:0+events_unbound12:15:055
3764509992826,2cyclictest138557-21kworker/u16:4+events_unbound11:48:465
3764509992826,2cyclictest138557-21kworker/u16:4+events_unbound11:48:465
3764507992826,2cyclictest4148491-21kworker/u16:1+events_unbound10:18:214
3764507992826,2cyclictest4027349-21kworker/u16:4+events_unbound09:59:104
3764507992826,2cyclictest4027349-21kworker/u16:4+events_unbound09:26:184
3764507992825,2cyclictest4027349-21kworker/u16:4+events_unbound09:29:104
3764515992722,4cyclictest4099603-21perf09:49:077
3764509992725,2cyclictest87111-21kworker/u16:1+events_unbound11:36:415
3764509992725,2cyclictest4001589-21kworker/u16:3+events_unbound10:54:385
3764509992725,2cyclictest197200-21kworker/u16:0+events_unbound12:21:425
3764509992725,2cyclictest113459-21kworker/u16:2+flush-8:011:14:515
3764507992725,2cyclictest4001589-21kworker/u16:3+events_unbound10:48:074
3764507992725,2cyclictest197200-21kworker/u16:0+events_unbound12:21:224
3764507992725,2cyclictest197200-21kworker/u16:0+events_unbound11:56:024
41421932260,1sleep60-21swapper/610:04:266
3764515992625,0cyclictest0-21swapper/710:53:007
3764515992625,0cyclictest0-21swapper/710:25:137
3764515992621,4cyclictest3952868-21latency_hist08:44:087
3764509992625,1cyclictest197200-21kworker/u16:0+events_unbound12:36:115
3764509992624,2cyclictest4148491-21kworker/u16:1+events_unbound10:11:035
3764509992623,2cyclictest4001589-21kworker/u16:3+events_unbound10:41:185
3764507992624,2cyclictest4027349-21kworker/u16:4+events_unbound09:53:434
3764507992624,2cyclictest4001589-21kworker/u16:3+events_unbound11:30:314
3764507992624,2cyclictest4001589-21kworker/u16:3+events_unbound11:17:144
3764515992524,0cyclictest0-21swapper/707:46:307
3764513992523,2cyclictest4027349-21kworker/u16:4+events_unbound09:49:316
3764509992523,2cyclictest4148491-21kworker/u16:1+events_unbound10:24:105
3764509992523,2cyclictest4148491-21kworker/u16:1+events_unbound10:21:175
3764509992523,2cyclictest4148491-21kworker/u16:1+events_unbound10:21:175
3764507992523,2cyclictest87111-21kworker/u16:1+events_unbound11:26:314
3764507992523,2cyclictest4172921-21kworker/u16:2+events_unbound10:32:154
3764507992523,2cyclictest4075069-21kworker/u16:5+events_unbound09:40:304
3764507992523,2cyclictest4001589-21kworker/u16:3+flush-8:011:59:544
3764507992523,2cyclictest4001589-21kworker/u16:3+events_unbound10:07:184
3764515992419,4cyclictest4111821-21latency_hist09:54:077
376451599240,22cyclictest321758-21latency_hist12:39:077
3764509992423,1cyclictest50475-21kworker/u16:0+events_unbound11:05:465
3764509992422,2cyclictest4027349-21kworker/u16:4+events_unbound09:57:595
3764509992422,2cyclictest4026449-21kworker/u16:0+events_unbound09:34:585
3764509992422,2cyclictest3982425-21kworker/u16:2+events_unbound09:16:145
3764509992422,2cyclictest3865537-21kworker/u16:0+events_unbound08:09:025
3764509992422,2cyclictest138557-21kworker/u16:4+events_unbound11:39:425
3764509992422,2cyclictest138557-21kworker/u16:4+events_unbound11:39:425
3764507992422,2cyclictest4059859-21kworker/u16:2+events_unbound09:47:594
3764507992422,2cyclictest3807357-21kworker/u16:2+flush-8:007:39:074
3764507992422,2cyclictest211881-21kworker/u16:5+events_unbound12:25:094
3764507992422,2cyclictest211881-21kworker/u16:5+events_unbound12:25:094
3764515992322,0cyclictest0-21swapper/709:02:537
3764513992319,3cyclictest4001589-21kworker/u16:3+flush-8:010:34:076
3764507992321,2cyclictest4148491-21kworker/u16:1+events_unbound10:20:554
3764507992321,2cyclictest4148491-21kworker/u16:1+events_unbound10:20:554
3764507992321,2cyclictest4148491-21kworker/u16:1+events_unbound10:11:174
3764507992321,2cyclictest4027349-21kworker/u16:4+events_unbound09:57:104
3764507992321,2cyclictest4001589-21kworker/u16:3+events_unbound12:32:174
3764507992321,2cyclictest3865537-21kworker/u16:0+flush-8:008:44:024
3764507992321,2cyclictest3715920-21kworker/u16:3+flush-8:007:09:214
3764507992321,2cyclictest197200-21kworker/u16:0+flush-8:012:15:374
3764507992320,3cyclictest3894368-21kworker/u16:1+flush-8:009:19:344
3764507992320,2cyclictest4172921-21kworker/u16:2+flush-8:010:24:504
3764515992221,0cyclictest0-21swapper/709:29:317
3764515992221,0cyclictest0-21swapper/708:23:067
3764515992216,5cyclictest3774081-21latency_hist07:14:077
3764509992220,2cyclictest3807357-21kworker/u16:2+events_unbound07:54:295
3764509992220,2cyclictest211881-21kworker/u16:5+events_unbound12:11:265
3764507992220,2cyclictest87111-21kworker/u16:1+events_unbound11:09:414
3764515992120,0cyclictest0-21swapper/708:03:307
3764515992116,4cyclictest285100-21latency_hist12:24:067
3764513992119,2cyclictest197200-21kworker/u16:0+flush-8:011:54:346
3764509992119,2cyclictest3894368-21kworker/u16:1+flush-8:008:54:025
3764507992119,2cyclictest138557-21kworker/u16:4+events_unbound11:39:114
3764507992119,2cyclictest138557-21kworker/u16:4+events_unbound11:39:114
3764515992019,0cyclictest0-21swapper/711:00:047
3764515992019,0cyclictest0-21swapper/711:00:047
3764515992019,0cyclictest0-21swapper/709:24:347
3764515992019,0cyclictest0-21swapper/708:28:507
3764515992019,0cyclictest0-21swapper/708:13:557
3764513992018,2cyclictest87111-21kworker/u16:1+events_unbound11:24:346
3764513992018,2cyclictest4027349-21kworker/u16:4+flush-8:009:44:076
3764509992018,2cyclictest3894368-21kworker/u16:1+flush-8:009:04:385
3764507992018,2cyclictest197200-21kworker/u16:0+events_unbound11:45:424
3764507992018,2cyclictest197200-21kworker/u16:0+events_unbound11:45:424
3764515991918,0cyclictest0-21swapper/711:34:227
3764515991918,0cyclictest0-21swapper/708:45:397
3764509991916,2cyclictest3745251-21kworker/u16:1+flush-8:007:19:285
3764515991817,0cyclictest0-21swapper/709:04:247
3764513991816,2cyclictest16256-21kworker/u16:4+events_unbound10:54:306
3764509991816,2cyclictest3807357-21kworker/u16:2+flush-8:007:34:315
3764509991816,2cyclictest3735218-21kworker/u16:0+flush-8:007:49:035
3764509991815,3cyclictest3865537-21kworker/u16:0+flush-8:008:14:335
3764509991815,3cyclictest3865537-21kworker/u16:0+flush-8:008:14:335
3764515991716,0cyclictest0-21swapper/708:38:527
3764515991716,0cyclictest0-21swapper/708:07:017
3764515991715,1cyclictest0-21swapper/710:19:357
3764515991715,1cyclictest0-21swapper/710:19:357
3764515991713,2cyclictest4013742-21/usr/sbin/munin09:14:077
3764513991715,2cyclictest3894368-21kworker/u16:1+flush-8:008:39:316
3764513991715,2cyclictest3745251-21kworker/u16:1+events_unbound07:19:346
3764513991714,2cyclictest138557-21kworker/u16:4+events_unbound11:44:246
3764513991714,2cyclictest138557-21kworker/u16:4+events_unbound11:44:246
3764509991713,3cyclictest3906872-21cut08:19:255
3764507991714,2cyclictest3865537-21kworker/u16:0+events_unbound09:04:224
3764507991712,4cyclictest3826779-21munin-node07:39:194
376451599168,7cyclictest6247-21gmain09:34:257
3764515991615,0cyclictest0-21swapper/707:31:467
3764507991614,2cyclictest3865537-21kworker/u16:0+flush-8:008:16:554
3764507991614,2cyclictest3865537-21kworker/u16:0+flush-8:008:16:554
3764515991514,0cyclictest0-21swapper/708:56:167
3764515991514,0cyclictest0-21swapper/708:14:267
3764515991514,0cyclictest0-21swapper/708:14:267
3764515991514,0cyclictest0-21swapper/707:28:457
3764515991512,2cyclictest1278-21snmpd07:56:447
3764515991511,3cyclictest1278-21snmpd11:25:377
3764513991513,2cyclictest211881-21kworker/u16:5+events_unbound12:19:366
3764513991513,2cyclictest113459-21kworker/u16:2+events_unbound11:14:226
376451599147,5cyclictest3924608-21tune2fs08:29:207
3764515991413,0cyclictest0-21swapper/712:14:307
3764515991413,0cyclictest0-21swapper/707:49:227
3764515991413,0cyclictest0-21swapper/707:39:407
3764515991412,1cyclictest26012-21ssh10:34:407
3764513991413,1cyclictest0-21swapper/612:08:246
3764513991413,1cyclictest0-21swapper/611:07:146
3764513991413,1cyclictest0-21swapper/610:35:516
3764513991412,2cyclictest3865537-21kworker/u16:0+flush-8:008:04:316
376451399140,1cyclictest0-21swapper/611:36:146
376451399140,14cyclictest0-21swapper/609:24:366
376451399140,14cyclictest0-21swapper/609:09:096
376450999149,4cyclictest3915100-21cat08:24:225
376450999140,13cyclictest0-21swapper/508:09:295
376450799140,1cyclictest0-21swapper/408:59:284
376451599139,3cyclictest1278-21snmpd09:57:017
376451599138,4cyclictest101808-21latency_hist11:09:077
3764515991311,1cyclictest14412-21ssh10:30:517
3764515991311,1cyclictest0-21swapper/711:49:357
376451599130,12cyclictest1278-21snmpd09:17:007
376451599130,11cyclictest1278-21snmpd07:14:107
376451399138,4cyclictest3885747-21cat08:09:216
3764513991312,1cyclictest0-21swapper/612:26:046
3764513991312,1cyclictest0-21swapper/612:26:046
3764513991312,1cyclictest0-21swapper/612:09:496
3764513991312,1cyclictest0-21swapper/611:42:046
3764513991312,1cyclictest0-21swapper/611:42:046
3764513991312,1cyclictest0-21swapper/610:44:226
3764513991312,1cyclictest0-21swapper/610:23:156
3764513991312,1cyclictest0-21swapper/610:23:156
3764513991312,1cyclictest0-21swapper/610:10:386
3764513991311,2cyclictest260651-21kworker/u16:1+events_unbound12:14:266
3764513991311,2cyclictest211881-21kworker/u16:5+events_unbound11:59:216
3764509991312,1cyclictest0-21swapper/507:29:075
3764509991311,2cyclictest3903897-21kworker/u16:5+events_unbound08:59:105
3764509991311,2cyclictest3894368-21kworker/u16:1+flush-8:008:49:035
376450799130,1cyclictest0-21swapper/408:24:574
376451599129,2cyclictest51997-21ssh10:47:297
376451599129,2cyclictest1278-21snmpd09:20:247
376451599128,3cyclictest1278-21snmpd12:10:177
376451599125,5cyclictest196477-21ssh11:44:317
376451599125,5cyclictest196477-21ssh11:44:317
3764515991212,0cyclictest0-21swapper/711:42:277
3764515991212,0cyclictest0-21swapper/711:42:277
3764515991211,0cyclictest0-21swapper/712:29:177
3764515991210,1cyclictest111191-21ssh11:09:357
376451399128,3cyclictest3983208-21cat08:59:226
376451399127,4cyclictest3996131-21cut09:04:286
3764513991211,1cyclictest0-21swapper/609:55:206
3764513991211,1cyclictest0-21swapper/608:24:416
3764513991210,2cyclictest4001589-21kworker/u16:3+events_unbound10:49:216
376451399120,0cyclictest0-21swapper/612:33:386
3764509991210,2cyclictest3735218-21kworker/u16:0+flush-8:007:14:395
3764509991210,2cyclictest3715920-21kworker/u16:3+events_unbound07:39:105
376451599119,1cyclictest0-21swapper/710:39:357
376451599118,2cyclictest5943-21JS09:15:017
376451599117,3cyclictest6341-21gvfs-afc-volume10:04:197
376451599117,3cyclictest1278-21snmpd11:17:547
376451599116,5cyclictest6341-21gvfs-afc-volume12:01:227
376451599116,5cyclictest6341-21gvfs-afc-volume10:18:077
376451599116,5cyclictest6160-21gmain12:27:177
376451599116,5cyclictest6160-21gmain12:27:177
376451599115,5cyclictest6341-21gvfs-afc-volume11:29:327
376451399119,2cyclictest3982425-21kworker/u16:2+flush-8:009:14:326
376451399116,4cyclictest3779074-21cat07:14:236
3764513991110,1cyclictest0-21swapper/611:10:046
3764513991110,1cyclictest0-21swapper/610:41:326
3764513991110,1cyclictest0-21swapper/609:48:246
3764513991110,1cyclictest0-21swapper/607:28:436
3764513991110,1cyclictest0-21swapper/607:09:206
376451399110,1cyclictest0-21swapper/607:31:436
376451399110,11cyclictest0-21swapper/608:36:406
376451399110,11cyclictest0-21swapper/608:23:166
376451399110,0cyclictest0-21swapper/608:15:516
376451399110,0cyclictest0-21swapper/608:15:516
376450999119,2cyclictest3894368-21kworker/u16:1+events_unbound08:32:515
376450999110,11cyclictest0-21swapper/508:37:235
376450799119,2cyclictest3855686-21kworker/u16:1+flush-8:008:04:234
376450799118,2cyclictest3903897-21kworker/u16:5+events_unbound08:44:194
3764507991110,1cyclictest0-21swapper/408:21:574
3764507991110,1cyclictest0-21swapper/407:51:224
3764507991110,1cyclictest0-21swapper/407:22:214
376450799110,11cyclictest0-21swapper/407:25:214
376451599107,2cyclictest4081546-21sh09:39:287
376451599107,2cyclictest0-21swapper/710:09:207
376451599107,2cyclictest0-21swapper/709:59:267
376451599104,5cyclictest5963-21gmain11:19:457
3764515991010,0cyclictest0-21swapper/708:49:277
376451599100,9cyclictest1278-21snmpd07:22:077
376451399109,1cyclictest0-21swapper/608:55:546
376451399109,1cyclictest0-21swapper/607:43:516
376451399107,2cyclictest3865537-21kworker/u16:0+flush-8:007:59:396
376451399107,2cyclictest3817574-21df07:34:206
376451399100,9cyclictest3859275-21cut07:54:256
376451399100,9cyclictest159928-21proc_pri11:29:346
376451399100,3cyclictest4162579-21kthreadcore10:14:266
376451399100,3cyclictest4029794-21kthreadcore09:19:256
376451399100,3cyclictest3954005-21hddtemp_smartct08:44:216
376451399100,2cyclictest3965305-21cut08:49:256
376450799109,1cyclictest0-21swapper/407:14:474
376450799107,2cyclictest3845086-21switchtime07:44:354
376450799106,3cyclictest3807885-21forks07:29:214
376450799106,3cyclictest1-21systemd07:59:084
37645139998,1cyclictest0-21swapper/607:48:266
37645139996,2cyclictest0-21swapper/607:49:216
37645139990,8cyclictest77877-21grep10:59:196
37645139990,8cyclictest77877-21grep10:59:196
37645139990,8cyclictest4193789-21cut10:24:296
37645139990,8cyclictest3926739-21cat08:29:256
37645139990,8cyclictest0-21swapper/611:19:216
37645099994,4cyclictest3850407-21kthreadcore07:49:275
37645079998,1cyclictest0-21swapper/408:30:564
37645079997,2cyclictest3894368-21kworker/u16:1+flush-8:008:54:334
37645079996,2cyclictest3885600-21fschecks_time08:09:194
37645099986,2cyclictest3735218-21kworker/u16:0+flush-8:007:09:265
37645099984,3cyclictest3977996-21cut08:54:285
37645079984,3cyclictest3965512-21kthreadcore08:49:254
37645079983,4cyclictest3934385-21fschecks_count08:34:214
37645099975,1cyclictest0-21swapper/507:59:195
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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