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2025-11-20 - 14:16
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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 376 highest latencies:
System rack0slot7.osadl.org (updated Thu Nov 20, 2025 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
483405998976,9cyclictest0-21swapper/1022:24:132
483410998771,9cyclictest0-21swapper/1422:19:586
483401998580,3cyclictest2664908-21TaskCon~ller12
483411998364,7cyclictest0-21swapper/1522:23:227
48273927635,38sleep140-21swapper/1419:08:006
483411997334,13cyclictest0-21swapper/1522:18:287
483395997254,11cyclictest1983828-21DOM09:53:580
483409997164,5cyclictest1047444-21firefox:gdrv022:23:435
483405997050,14cyclictest29450irq/128-xhci_hcd22:18:032
483399997063,4cyclictest0-21swapper/422:20:5010
483397996962,6cyclictest0-21swapper/222:23:148
48340099683,54cyclictest494243-21MediaSu~sor11
483407996762,3cyclictest1725187-21x0vncserver22:20:503
483398996751,7cyclictest1047458-21DOM09:53:589
483397996628,24cyclictest494545-21MediaSu~or8
48289426525,37sleep150-21swapper/1519:09:057
483407996412,37cyclictest1070591-21cut22:25:193
483397996452,10cyclictest324905-21Compositor22:25:278
483407996360,1cyclictest0-21swapper/1122:18:423
48340799634,26cyclictest390759-21thunderbird19:26:483
48243726359,2sleep60-21swapper/619:06:0112
483398996257,3cyclictest0-21swapper/322:18:479
32445520620,0data-loop.0324424-10pipewire00:05:0310
483401996044,13cyclictest0-21swapper/622:20:4012
483400996048,4cyclictest0-21swapper/522:23:2111
483402995932,26cyclictest0-21swapper/722:18:3613
483398995914,27cyclictest323672-21InputThread20:10:249
483395995854,2cyclictest1983828-21DOM09:53:580
1135598580,55rtkit-daemon0-21swapper/219:08:008
483411995729,2cyclictest0-21swapper/1519:45:557
48340799571,25cyclictest0-21swapper/1120:06:283
483409995646,6cyclictest0-21swapper/1322:25:295
483409995645,4cyclictest0-21swapper/1322:19:325
483405995648,3cyclictest0-21swapper/1022:26:182
483402995645,8cyclictest971ktimers/722:24:0213
483409995550,3cyclictest0-21swapper/1321:34:215
48340299557,39cyclictest503501-21sed19:39:5913
48340299553,51cyclictest1983828-21DOM09:53:5813
483399995542,12cyclictest494241-21MediaSu~isor10
483398995546,3cyclictest324841-21Socket09:53:589
483398995534,9cyclictest0-21swapper/319:41:049
483395995550,3cyclictest1983828-21DOM09:53:580
483411995438,6cyclictest0-21swapper/1522:25:057
483410995427,16cyclictest0-21swapper/1419:20:386
483404995438,10cyclictest0-21swapper/922:18:1915
483401995449,4cyclictest0-21swapper/622:27:1512
483400995446,7cyclictest1047459-21DOM09:53:5811
48339699544,36cyclictest324842-21IPDL09:53:581
483410995347,2cyclictest0-21swapper/1420:05:386
483408995318,10cyclictest324841-21Socket09:53:584
48340299533,6cyclictest1983828-21DOM09:53:5813
483402995311,36cyclictest494536-21MediaPD~oder13
483398995345,6cyclictest323925-21gnome-shell20:07:239
48341199523,33cyclictest0-21swapper/1519:20:387
48339999525,20cyclictest1725187-21x0vncserver22:18:4110
483399995248,2cyclictest0-21swapper/419:28:3510
483410995144,4cyclictest0-21swapper/1419:41:496
483407995141,7cyclictest0-21swapper/1120:10:043
48339799512,43cyclictest1367475-21Isolated09:53:588
483408995047,1cyclictest0-21swapper/1222:19:324
483405995020,17cyclictest506352-21dav1d-worker19:44:282
483400995035,5cyclictest0-21swapper/522:25:1311
483396995044,4cyclictest0-21swapper/122:26:351
483410994942,4cyclictest0-21swapper/1420:10:036
483408994946,2cyclictest324841-21Socket09:53:584
483408994943,4cyclictest149-21ksoftirqd/1220:07:224
483404994930,12cyclictest0-21swapper/922:23:4015
483404994910,16cyclictest323654-21Xorg20:07:1215
483399994932,12cyclictest4162455-21Timer22:25:0610
483397994943,3cyclictest0-21swapper/219:45:558
483395994922,11cyclictest555854-21Chrome_ChildIOT20:07:580
483411994842,1cyclictest0-21swapper/1519:41:367
483410994837,4cyclictest0-21swapper/1419:39:266
483408994815,33cyclictest0-21swapper/1219:53:274
48340799487,18cyclictest497631-21dd19:30:093
48340799485,20cyclictest390842-21Renderer19:36:053
483404994840,6cyclictest510805-21TaskCon~ller15
483402994844,3cyclictest510805-21TaskCon~ller13
48340299483,29cyclictest1071010-21StreamT~13
48340299482,38cyclictest496564-21dd19:29:0813
483397994813,31cyclictest3060784-21TaskCon~ller8
483396994814,27cyclictest323654-21Xorg22:22:141
483407994742,3cyclictest323654-21Xorg21:53:183
48340499472,43cyclictest2664882-21Isolated09:53:5815
48339599479,37cyclictest0-21swapper/019:37:540
483410994644,1cyclictest0-21swapper/1421:11:146
483410994619,22cyclictest0-21swapper/1422:22:206
483405994612,23cyclictest496345-21dav1d-worker19:28:352
483404994638,6cyclictest494236-21MediaDe~hine15
483403994639,5cyclictest1141523-21sshd-session22:41:2014
483397994618,13cyclictest323654-21Xorg19:41:048
48283624644,1sleep10-21swapper/119:08:361
483410994544,0cyclictest0-21swapper/1422:48:466
483410994532,5cyclictest0-21swapper/1419:45:556
483410994531,5cyclictest0-21swapper/1422:25:026
48340799458,15cyclictest324905-21Compositor21:34:393
483407994511,11cyclictest510805-21TaskCon~ller3
483403994544,1cyclictest0-21swapper/821:49:4214
483402994510,25cyclictest1983828-21DOM09:53:5813
483399994539,3cyclictest0-21swapper/419:38:1510
483396994534,5cyclictest390433-21Softwar~cThread22:19:341
48339699451,21cyclictest324905-21Compositor19:19:391
483395994542,1cyclictest972557-21kworker/0:1+events23:50:580
46494524543,1sleep130-21swapper/1319:05:045
483411994442,0cyclictest0-21swapper/1519:35:547
483411994438,2cyclictest0-21swapper/1520:10:517
483410994443,0cyclictest0-21swapper/1419:32:206
48341099440,43cyclictest0-21swapper/1422:53:426
48340599448,31cyclictest497997-21StreamT~2
483405994424,13cyclictest2739611-21IPC2
483403994443,0cyclictest0-21swapper/819:30:1814
48340399440,0cyclictest0-21swapper/823:50:5814
48340299446,37cyclictest510805-21TaskCon~ller13
48339999445,26cyclictest0-21swapper/422:47:5910
483398994439,3cyclictest561ktimers/319:32:579
483397994440,1cyclictest0-21swapper/219:30:528
483395994443,0cyclictest0-21swapper/019:58:520
48340799431,38cyclictest0-21swapper/1119:24:123
483403994341,1cyclictest1725187-21x0vncserver20:54:0214
483403994333,6cyclictest0-21swapper/822:22:4114
483403994323,3cyclictest1034965-21kthreadcore22:15:2014
483403994319,21cyclictest1983828-21DOM09:53:5814
483401994342,1cyclictest510805-21TaskCon~ller12
483400994335,7cyclictest771ktimers/519:20:3611
48340099430,1cyclictest0-21swapper/519:47:0311
483398994337,3cyclictest0-21swapper/319:35:549
483409994218,2cyclictest0-21swapper/1319:29:305
483408994242,0cyclictest0-21swapper/1223:28:024
48340499420,42cyclictest0-21swapper/920:49:4315
483401994240,1cyclictest510805-21TaskCon~ller12
483401994240,1cyclictest510805-21TaskCon~ller12
48290224238,2sleep40-21swapper/419:09:1110
48268324240,1sleep100-21swapper/1019:07:412
48340499414,21cyclictest68834-21Isolated09:53:5815
483404994141,0cyclictest0-21swapper/923:59:4815
48340399415,32cyclictest0-21swapper/819:37:5314
483402994136,4cyclictest1983828-21DOM09:53:5813
48340299411,39cyclictest510805-21TaskCon~ller13
48340099410,40cyclictest0-21swapper/519:11:1911
483399994119,18cyclictest324799-21firefox19:34:1610
48339899410,41cyclictest0-21swapper/323:51:179
483397994141,0cyclictest0-21swapper/200:13:538
48339799413,25cyclictest0-21swapper/220:14:138
483397994116,20cyclictest3291508-21Isolated09:53:588
483396994139,1cyclictest0-21swapper/123:10:011
483395994141,0cyclictest707476-21kworker/0:2+events22:04:220
483395994139,1cyclictest707476-21kworker/0:2+events21:49:420
483395994138,1cyclictest0-21swapper/021:34:400
48288724139,1sleep110-21swapper/1119:09:023
483411994012,13cyclictest0-21swapper/1520:06:287
483410994033,3cyclictest0-21swapper/1423:07:376
483410994013,26cyclictest0-21swapper/1420:53:036
483408994020,12cyclictest1481ktimers/1219:29:084
483405994030,9cyclictest323654-21Xorg20:51:232
48340399400,40cyclictest0-21swapper/821:06:3014
48340399400,39cyclictest0-21swapper/820:02:0614
483399994040,0cyclictest0-21swapper/423:19:3810
483399994040,0cyclictest0-21swapper/423:19:3810
48339899402,29cyclictest323925-21gnome-shell19:20:379
483395994040,0cyclictest707476-21kworker/0:2+events22:50:340
483395994039,1cyclictest4178129-21kworker/0:0+events19:43:340
483395994014,16cyclictest324832-21glean.dispatche19:33:040
48251924037,1sleep50-21swapper/519:06:3211
483410993938,0cyclictest0-21swapper/1421:53:426
483410993928,7cyclictest0-21swapper/1419:18:146
483409993914,15cyclictest323925-21gnome-shell19:59:275
483408993937,1cyclictest0-21swapper/1222:08:224
483408993933,5cyclictest0-21swapper/1219:30:294
483405993931,6cyclictest390855-21Compositor23:26:242
483404993926,9cyclictest0-21swapper/919:45:2715
483404993924,11cyclictest494113-21Worker09:53:5815
483402993939,0cyclictest0-21swapper/723:05:0813
483400993918,18cyclictest509059-21IPC11
48339699396,23cyclictest3060756-21Isolated09:53:581
483395993939,0cyclictest4178129-21kworker/0:0+events20:47:480
483395993938,1cyclictest707476-21kworker/0:2+events21:06:290
483395993938,1cyclictest707476-21kworker/0:2+events20:54:020
483395993938,1cyclictest4178129-21kworker/0:0+events20:31:330
483395993938,1cyclictest1233959-21kworker/0:0+events23:27:020
483411993823,11cyclictest0-21swapper/1519:55:277
483410993836,1cyclictest0-21swapper/1420:15:406
483410993823,6cyclictest0-21swapper/1423:27:126
483409993829,2cyclictest0-21swapper/1319:46:455
48340999381,23cyclictest0-21swapper/1319:36:365
483408993832,4cyclictest390759-21thunderbird22:36:284
483405993817,12cyclictest264774-21/usr/sbin/httpd19:19:442
483404993834,3cyclictest3243870-21Timer19:11:4915
483403993835,2cyclictest1061rcuc/822:25:3114
483403993834,2cyclictest324799-21firefox19:51:5014
48340399380,38cyclictest0-21swapper/821:52:0014
48340399380,38cyclictest0-21swapper/819:46:5814
483401993837,1cyclictest0-21swapper/619:40:0712
48340199380,38cyclictest1983828-21DOM09:53:5812
483400993838,0cyclictest0-21swapper/520:09:1211
483399993837,1cyclictest0-21swapper/422:54:4410
483398993829,6cyclictest559331-21HangWatcher19:51:459
483398993819,14cyclictest324834-21IPC9
48339699383,23cyclictest324799-21firefox22:38:381
483395993838,0cyclictest707476-21kworker/0:2+events21:10:500
48277523834,2sleep120-21swapper/1219:08:154
48341199373,26cyclictest0-21swapper/1522:39:017
483408993737,0cyclictest0-21swapper/1222:55:274
483407993718,16cyclictest1725187-21x0vncserver19:41:223
483403993736,1cyclictest0-21swapper/821:30:2214
483403993729,7cyclictest390793-21glean.dispatche20:12:4014
483402993736,1cyclictest91850irq/172-i91522:05:5513
483402993717,20cyclictest1983828-21DOM09:53:5813
483401993737,0cyclictest0-21swapper/622:54:4412
483401993736,1cyclictest1983828-21DOM09:53:5812
483401993718,2cyclictest323654-21Xorg23:01:4212
48339999370,0cyclictest0-21swapper/422:41:4410
483397993736,1cyclictest324062-21ibus-daemon22:58:528
483396993736,1cyclictest323654-21Xorg19:47:031
48339599379,19cyclictest3060778-21ImageBridgeChld19:20:370
483395993737,0cyclictest707476-21kworker/0:2+events21:57:290
483395993736,1cyclictest4178129-21kworker/0:0+events19:46:570
48341199363,29cyclictest0-21swapper/1519:28:357
483411993617,0cyclictest0-21swapper/1520:54:077
483410993619,9cyclictest0-21swapper/1421:34:226
483409993636,0cyclictest1368164-1kworker/u65:0+i915_flip22:12:565
483409993636,0cyclictest0-21swapper/1320:06:345
483409993635,1cyclictest1725187-21x0vncserver23:25:355
483405993628,8cyclictest1281ktimers/1022:43:442
483405993628,4cyclictest325108-21URL09:53:582
483403993626,6cyclictest0-21swapper/823:27:3814
483402993635,1cyclictest1983828-21DOM09:53:5813
483402993628,4cyclictest1983828-21DOM09:53:5813
48340299361,35cyclictest1983828-21DOM09:53:5813
483402993612,24cyclictest1983828-21DOM09:53:5813
483401993634,1cyclictest1983828-21DOM09:53:5812
483399993616,1cyclictest201rcu_preempt20:06:1010
483398993636,0cyclictest0-21swapper/323:25:339
483397993626,8cyclictest0-21swapper/223:19:028
483397993626,8cyclictest0-21swapper/223:19:028
48339699364,29cyclictest496480-21StreamT~1
483396993633,2cyclictest2151692-21Isolated09:53:581
483396993619,12cyclictest323654-21Xorg19:34:011
48339699361,22cyclictest0-21swapper/123:27:341
483395993636,0cyclictest4178129-21kworker/0:0+events20:02:060
48239823634,1sleep30-21swapper/319:05:429
483411993534,0cyclictest0-21swapper/1523:05:087
483411993532,0cyclictest0-21swapper/1500:12:087
483410993534,0cyclictest0-21swapper/1419:12:166
483410993532,2cyclictest0-21swapper/1421:44:226
483409993535,0cyclictest0-21swapper/1322:04:495
483409993515,3cyclictest324799-21firefox20:10:535
483409993515,1cyclictest0-21swapper/1300:18:025
483409993515,1cyclictest0-21swapper/1300:18:025
48340899352,30cyclictest508228-21dav1d-worker19:55:274
48340599358,26cyclictest323654-21Xorg19:22:192
483404993534,1cyclictest390759-21thunderbird19:27:1815
483404993523,7cyclictest0-21swapper/919:16:1515
483403993535,0cyclictest0-21swapper/823:19:3814
483403993535,0cyclictest0-21swapper/823:19:3814
483403993529,4cyclictest765584-21StreamT~s14
483403993515,20cyclictest1498753-21dd00:19:4414
483403993515,20cyclictest1498753-21dd00:19:4414
483403993514,18cyclictest494532-21dav1d-worker19:21:0914
48340299353,1cyclictest1983828-21DOM09:53:5813
483400993531,3cyclictest510805-21TaskCon~ller11
483400993528,6cyclictest324799-21firefox19:40:0011
483399993534,0cyclictest0-21swapper/423:25:3610
483398993525,7cyclictest0-21swapper/322:39:069
48339799355,24cyclictest496153-21StreamT~8
483397993534,1cyclictest0-21swapper/219:19:498
483395993535,0cyclictest707476-21kworker/0:2+events21:52:000
483395993533,1cyclictest0-21swapper/019:27:020
483410993431,1cyclictest0-21swapper/1419:28:046
48341099342,17cyclictest0-21swapper/1422:03:196
48340999341,1cyclictest32445520data-loop.019:54:055
48340999340,2cyclictest0-21swapper/1321:35:325
483408993430,2cyclictest0-21swapper/1219:37:214
483407993432,1cyclictest506352-21dav1d-worker19:45:043
48340599341,2cyclictest1329436-21Timer22:38:482
483403993434,0cyclictest0-21swapper/821:41:3414
48340299343,30cyclictest390411-21Timer21:46:1713
483401993430,3cyclictest2151647-21Timer19:27:0512
483401993420,13cyclictest27375-21file://09:53:5812
483400993433,1cyclictest0-21swapper/519:55:3111
483400993430,3cyclictest324428-10pipewire-pulse20:00:0911
48339999348,2cyclictest0-21swapper/400:30:4210
48339999340,2cyclictest0-21swapper/419:55:1310
48339899347,23cyclictest2151692-21Isolated09:53:589
483396993433,1cyclictest484074-21dd19:11:191
483396993414,18cyclictest325133-21IPC1
48256423430,2sleep90-21swapper/919:06:5215
32445520340,31data-loop.0323654-21Xorg19:50:0810
483410993330,1cyclictest0-21swapper/1421:45:426
483410993329,1cyclictest0-21swapper/1421:07:596
483410993327,3cyclictest0-21swapper/1422:39:026
48340999334,16cyclictest494227-21StreamT~5
483409993332,1cyclictest1368164-1kworker/u65:0+i915_flip22:44:205
483409993327,4cyclictest323949-21mutter-x11-fram22:36:195
48340999332,29cyclictest3060761-21IPC5
48340999330,1cyclictest0-21swapper/1319:41:405
483408993332,1cyclictest509076-21Timer21:57:594
483408993311,20cyclictest0-21swapper/1219:22:064
48340599335,28cyclictest390434-21Compositor19:48:042
483405993333,0cyclictest0-21swapper/1023:59:482
48340599332,31cyclictest323654-21Xorg21:51:312
483403993333,0cyclictest510805-21TaskCon~ller14
483403993330,3cyclictest390759-21thunderbird21:59:1414
483403993316,1cyclictest0-21swapper/820:05:2414
48340299337,26cyclictest324799-21firefox19:11:2513
48340299334,21cyclictest323925-21gnome-shell19:19:0013
483402993331,2cyclictest0-21swapper/700:12:0813
483401993331,2cyclictest1983828-21DOM09:53:5812
483401993331,1cyclictest91850irq/172-i91522:32:5112
483401993329,1cyclictest1983828-21DOM09:53:5812
483400993332,1cyclictest989374-21nodev-device-ev22:00:2811
483399993333,0cyclictest0-21swapper/420:15:4010
483399993331,2cyclictest651rcuc/419:41:2210
483399993330,1cyclictest953499-21dd21:53:3710
48339999331,28cyclictest0-21swapper/419:17:2610
483398993316,12cyclictest323654-21Xorg19:19:399
48339799330,1cyclictest0-21swapper/222:10:228
483395993333,0cyclictest4178129-21kworker/0:0+events20:38:480
483395993333,0cyclictest4178129-21kworker/0:0+events19:52:360
483395993314,15cyclictest0-21swapper/020:10:340
48270223331,1sleep00-21swapper/019:07:470
48259223331,1sleep70-21swapper/719:07:0613
48253023331,1sleep80-21swapper/819:06:3514
48341199323,17cyclictest0-21swapper/1519:30:527
48341099326,23cyclictest0-21swapper/1422:44:516
483409993230,2cyclictest323925-21gnome-shell20:31:005
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48340899327,25cyclictest0-21swapper/1220:25:124
483408993224,4cyclictest0-21swapper/1219:42:494
48340899320,32cyclictest492633-21StreamT~4
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48340599320,2cyclictest0-21swapper/1022:05:072
48340399323,28cyclictest324891-21Renderer19:28:0714
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483403993231,1cyclictest1983828-21DOM09:53:5814
483403993230,2cyclictest1367530-21TaskCon~ller14
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483403993224,4cyclictest10284-21MuninnPageCache19:16:0714
483402993218,12cyclictest1983828-21DOM09:53:5813
483400993214,15cyclictest325179-21Isolated09:53:5811
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483399993211,18cyclictest390759-21thunderbird22:36:2810
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483395993230,1cyclictest510805-21TaskCon~ller0
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48339599320,1cyclictest0-21swapper/000:07:170
32444420320,7data-loop.03060756-21Isolated09:53:5815
48341199310,30cyclictest0-21swapper/1523:30:597
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48340999311,1cyclictest323654-21Xorg23:43:425
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483408993110,18cyclictest1983828-21DOM09:53:584
48340899310,31cyclictest0-21swapper/1221:16:074
483407993131,0cyclictest0-21swapper/1121:45:063
483405993130,1cyclictest0-21swapper/1019:53:102
48340499319,9cyclictest324799-21firefox20:10:2415
483403993126,3cyclictest0-21swapper/820:29:2614
48340299311,30cyclictest0-21swapper/722:59:5413
48340299310,31cyclictest1983828-21DOM09:53:5813
48340299310,31cyclictest1983828-21DOM09:53:5813
483401993124,7cyclictest0-21swapper/622:38:4612
483401993110,15cyclictest1983828-21DOM09:53:5812
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