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2026-08-09 - 00:03
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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 Sat Aug 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2744514995247,4cyclictest3449492-21latency_hist12:18:207
274398324838,7sleep50-21swapper/507:05:075
274421324434,7sleep40-21swapper/407:08:184
2744514994135,5cyclictest648-21systemd-journal10:18:207
2744509994138,2cyclictest3006160-21kworker/u16:2+flush-8:009:58:516
2744504994139,2cyclictest2884053-21kworker/u16:0+events_unbound08:53:465
2744504994136,5cyclictest2777440-21kworker/u16:1+flush-8:007:43:215
2744504994038,2cyclictest2744262-21kworker/u16:2+events_unbound07:08:245
2744504994037,2cyclictest3311166-21kworker/u16:1+events_unbound12:00:345
27398462403,31sleep70-21swapper/707:03:407
2744509993836,2cyclictest3449881-21kworker/u16:1+flush-8:012:28:206
2744509993836,2cyclictest3449881-21kworker/u16:1+flush-8:012:28:206
2744504993836,2cyclictest3449882-21kworker/u16:4+events_unbound12:23:225
2744504993836,2cyclictest3449882-21kworker/u16:4+events_unbound12:23:225
2744504993735,2cyclictest3112752-21kworker/u16:1+events_unbound10:01:065
2744504993634,2cyclictest3104824-21kworker/u16:0+events_unbound10:49:345
2744504993634,2cyclictest3006160-21kworker/u16:2+events_unbound09:36:585
2744504993533,2cyclictest3311166-21kworker/u16:1+events_unbound12:05:585
2744504993533,2cyclictest3240562-21kworker/u16:4+events_unbound10:59:435
2744504993533,2cyclictest3178893-21kworker/u16:3+events_unbound10:39:305
2744504993533,2cyclictest2982037-21kworker/u16:3+events_unbound09:38:225
2744504993533,2cyclictest2982037-21kworker/u16:3+events_unbound09:38:225
2744504993533,2cyclictest2982037-21kworker/u16:3+events_unbound09:31:355
2744504993532,2cyclictest3265061-21kworker/u16:0+events_unbound11:23:225
2744504993432,2cyclictest3434044-21kworker/u16:3+events_unbound12:16:515
2744504993432,2cyclictest3412492-21kworker/u16:2+events_unbound12:31:385
2744504993432,2cyclictest3388031-21kworker/u16:0+events_unbound12:11:075
2744504993432,2cyclictest3178893-21kworker/u16:3+events_unbound10:48:105
2744504993432,2cyclictest3178893-21kworker/u16:3+events_unbound10:36:125
2744504993432,2cyclictest2904010-21kworker/u16:1+events_unbound09:24:105
2744504993331,2cyclictest3265061-21kworker/u16:0+events_unbound11:10:305
2744504993331,2cyclictest3178893-21kworker/u16:3+events_unbound11:55:515
2744504993331,2cyclictest3178893-21kworker/u16:3+events_unbound10:55:435
2744504993331,2cyclictest3018871-21kworker/u16:4+events_unbound09:57:075
2744504993331,2cyclictest3006160-21kworker/u16:2+events_unbound10:28:185
2744504993331,2cyclictest3006160-21kworker/u16:2+events_unbound09:47:115
2744504993331,2cyclictest2982037-21kworker/u16:3+events_unbound09:49:595
2744504993331,2cyclictest2904010-21kworker/u16:1+events_unbound09:16:075
2744504993230,2cyclictest3412492-21kworker/u16:2+events_unbound12:19:185
2744504993230,2cyclictest3349701-21kworker/u16:2+events_unbound11:36:065
2744504993230,2cyclictest3240562-21kworker/u16:4+events_unbound11:14:275
2744504993230,2cyclictest3178893-21kworker/u16:3+events_unbound11:38:275
2744504993230,2cyclictest3178893-21kworker/u16:3+events_unbound11:29:265
2744504993230,2cyclictest3104824-21kworker/u16:0+events_unbound10:21:105
2744504993230,2cyclictest3006160-21kworker/u16:2+flush-8:010:04:065
2744504993230,2cyclictest3006160-21kworker/u16:2+events_unbound10:15:025
2744504993230,2cyclictest3006160-21kworker/u16:2+events_unbound09:23:035
2744504993230,2cyclictest2982037-21kworker/u16:3+events_unbound09:09:245
2744504993229,2cyclictest3178893-21kworker/u16:3+events_unbound11:03:265
2744504993229,2cyclictest3178893-21kworker/u16:3+events_unbound11:03:265
2744504993129,2cyclictest3449881-21kworker/u16:1+events_unbound12:36:145
2744504993129,2cyclictest3311166-21kworker/u16:1+events_unbound11:45:065
2744504993129,2cyclictest3311166-21kworker/u16:1+events_unbound11:45:065
2744504993129,2cyclictest3311166-21kworker/u16:1+events_unbound11:22:265
2744504993129,2cyclictest3104824-21kworker/u16:0+events_unbound10:30:545
2744504993128,2cyclictest2982037-21kworker/u16:3+events_unbound10:08:315
28534892300,0chrt741rcuc/507:58:425
2744509993027,2cyclictest2904010-21kworker/u16:1+events_unbound09:03:366
2744504993028,2cyclictest3349701-21kworker/u16:2+events_unbound11:50:465
274418323020,7sleep60-21swapper/607:07:566
32003712290,1chrt3200364-21ssh10:33:507
2744499992826,2cyclictest3311166-21kworker/u16:1+events_unbound11:58:354
2744499992826,2cyclictest3265061-21kworker/u16:0+events_unbound11:03:384
2744499992826,2cyclictest3265061-21kworker/u16:0+events_unbound11:03:384
2744499992826,2cyclictest3165114-21kworker/u16:1+events_unbound10:23:014
2744499992826,2cyclictest2884053-21kworker/u16:0+events_unbound09:01:274
2744499992826,2cyclictest2884053-21kworker/u16:0+events_unbound08:53:484
2744514992724,2cyclictest125-21kswapd008:17:177
2744499992725,2cyclictest3265061-21kworker/u16:0+events_unbound11:34:254
2744499992725,2cyclictest2904010-21kworker/u16:1+events_unbound08:43:584
2744499992725,2cyclictest2884102-21kworker/u16:6+events_unbound08:27:354
2744499992624,2cyclictest3178893-21kworker/u16:3+events_unbound11:22:334
2744499992624,2cyclictest2481002-21kworker/u16:4+events_unbound07:40:064
2744504992523,2cyclictest2481002-21kworker/u16:4+flush-8:007:19:315
2744504992522,2cyclictest2777440-21kworker/u16:1+events_unbound07:33:435
2744499992523,2cyclictest3311166-21kworker/u16:1+events_unbound11:54:484
2744499992523,2cyclictest3018871-21kworker/u16:4+events_unbound09:24:234
2744499992523,2cyclictest2884054-21kworker/u16:3+events_unbound08:21:514
2744499992523,2cyclictest2777440-21kworker/u16:1+events_unbound07:34:514
2744499992523,2cyclictest2481002-21kworker/u16:4+events_unbound08:04:394
2744504992422,2cyclictest2884053-21kworker/u16:0+flush-8:008:30:305
2744499992422,2cyclictest3449881-21kworker/u16:1+events_unbound12:26:324
2744499992422,2cyclictest3449881-21kworker/u16:1+events_unbound12:26:324
2744499992422,2cyclictest3388031-21kworker/u16:0+events_unbound12:08:074
2744499992422,2cyclictest2982037-21kworker/u16:3+events_unbound09:54:294
2744499992422,2cyclictest2904010-21kworker/u16:1+events_unbound08:42:424
2744499992422,2cyclictest2777440-21kworker/u16:1+events_unbound07:30:564
2744514992318,4cyclictest3498788-21latency_hist12:38:207
2744514992318,4cyclictest3326627-21latency_hist11:28:217
2744504992321,2cyclictest2884054-21kworker/u16:3+events_unbound08:24:315
2744504992321,2cyclictest2826192-21kworker/u16:0+events_unbound07:53:315
2744499992321,2cyclictest3112752-21kworker/u16:1+events_unbound10:01:494
2744499992321,2cyclictest3104824-21kworker/u16:0+events_unbound10:24:314
2744499992321,2cyclictest3018871-21kworker/u16:4+flush-8:009:44:144
2744499992321,2cyclictest2982037-21kworker/u16:3+events_unbound09:29:184
2744499992321,2cyclictest2884054-21kworker/u16:3+events_unbound08:52:594
2744499992321,2cyclictest2884053-21kworker/u16:0+events_unbound09:13:564
2744499992321,2cyclictest2884053-21kworker/u16:0+events_unbound08:33:354
2744499992321,2cyclictest2864745-21kworker/u16:1+events_unbound08:17:024
2744499992321,2cyclictest2744262-21kworker/u16:2+events_unbound07:51:044
2744499992321,2cyclictest2714849-21kworker/u16:0+flush-8:007:14:034
2744499992321,2cyclictest2714849-21kworker/u16:0+events_unbound07:11:244
2744499992321,2cyclictest2481002-21kworker/u16:4+events_unbound07:26:484
2744514992214,7cyclictest2835520-21latency_hist07:53:217
2744504992220,2cyclictest2904010-21kworker/u16:1+flush-8:009:03:275
2744504992220,2cyclictest2884054-21kworker/u16:3+events_unbound08:45:475
2744504992220,2cyclictest2744262-21kworker/u16:2+events_unbound08:04:315
2744499992220,2cyclictest3349701-21kworker/u16:2+events_unbound11:49:514
2744499992220,2cyclictest3311166-21kworker/u16:1+events_unbound11:38:474
2744499992220,2cyclictest3178893-21kworker/u16:3+events_unbound10:42:374
2744499992220,2cyclictest2744262-21kworker/u16:2+events_unbound07:47:064
2744509992118,2cyclictest3104824-21kworker/u16:0+flush-8:010:43:256
2744499992119,2cyclictest3412492-21kworker/u16:2+events_unbound12:11:524
2744499992119,2cyclictest3311166-21kworker/u16:1+events_unbound11:28:004
2744499992119,2cyclictest3240562-21kworker/u16:4+events_unbound11:15:024
2744499992119,2cyclictest3006160-21kworker/u16:2+events_unbound11:01:024
2744499992119,2cyclictest2982037-21kworker/u16:3+events_unbound09:36:344
2744499992119,2cyclictest2884054-21kworker/u16:3+events_unbound08:30:114
2744499992119,2cyclictest2744262-21kworker/u16:2+events_unbound08:11:264
2744499992119,2cyclictest2744262-21kworker/u16:2+events_unbound08:03:154
2744504992018,2cyclictest2884054-21kworker/u16:3+events_unbound08:18:005
2744504992018,2cyclictest2777440-21kworker/u16:1+events_unbound07:46:315
2744504992018,2cyclictest2744262-21kworker/u16:2+flush-8:007:18:175
2744504992018,2cyclictest2744262-21kworker/u16:2+events_unbound07:50:315
2744499992018,2cyclictest3104824-21kworker/u16:0+flush-8:010:04:114
2744499992018,2cyclictest2904010-21kworker/u16:1+events_unbound09:04:554
2744499992018,2cyclictest2714849-21kworker/u16:0+events_unbound07:19:444
2744499992017,2cyclictest3178893-21kworker/u16:3+events_unbound11:43:264
2744499992017,2cyclictest3178893-21kworker/u16:3+events_unbound11:43:264
2744509991917,2cyclictest2884054-21kworker/u16:3+events_unbound08:38:346
2744499991917,2cyclictest3412492-21kworker/u16:2+events_unbound12:19:534
2744499991917,2cyclictest3104824-21kworker/u16:0+events_unbound10:29:144
2744499991917,2cyclictest3006160-21kworker/u16:2+events_unbound10:37:094
2744499991917,2cyclictest2982037-21kworker/u16:3+events_unbound09:39:184
2744499991917,2cyclictest2982037-21kworker/u16:3+events_unbound09:39:184
2744499991917,2cyclictest2904010-21kworker/u16:1+events_unbound09:20:524
2744499991917,2cyclictest2744262-21kworker/u16:2+events_unbound07:55:244
2744514991813,4cyclictest3314325-21latency_hist11:23:217
2744499991816,2cyclictest3449881-21kworker/u16:1+events_unbound12:37:074
2744499991816,2cyclictest3412492-21kworker/u16:2+events_unbound12:29:164
2744499991816,2cyclictest3006160-21kworker/u16:2+events_unbound09:50:234
2744499991816,2cyclictest2982037-21kworker/u16:3+events_unbound10:09:204
2744499991815,2cyclictest3265061-21kworker/u16:0+flush-8:011:08:464
274451499170,1cyclictest0-21swapper/707:18:457
2744514991613,2cyclictest1302-21snmpd07:34:467
2744514991612,3cyclictest1302-21snmpd07:32:197
2744514991611,4cyclictest0-21swapper/708:53:217
274451499160,14cyclictest0-21swapper/708:48:447
2744509991613,2cyclictest3382921-21kthreadcore11:48:426
2744504991614,2cyclictest2744262-21kworker/u16:2+events_unbound07:28:535
274451499150,4cyclictest3115992-21sh10:01:257
274451499150,1cyclictest3005027-21ssh09:16:267
274451499150,14cyclictest0-21swapper/708:33:467
2744509991512,2cyclictest2826192-21kworker/u16:0+flush-8:007:53:476
274450999150,1cyclictest0-21swapper/612:08:246
2744504991513,2cyclictest2904010-21kworker/u16:1+flush-8:008:38:505
2744504991513,2cyclictest2904010-21kworker/u16:1+events_unbound08:58:495
2744504991513,2cyclictest2884053-21kworker/u16:0+flush-8:008:49:035
2744504991513,2cyclictest2884053-21kworker/u16:0+flush-8:008:23:005
2744504991513,2cyclictest2481002-21kworker/u16:4+events_unbound08:08:495
2744499991513,2cyclictest3178893-21kworker/u16:3+events_unbound10:49:364
2744499991513,2cyclictest3104824-21kworker/u16:0+events_unbound10:44:274
2744499991513,2cyclictest2982037-21kworker/u16:3+flush-8:009:09:204
274449999150,1cyclictest0-21swapper/411:28:504
2744514991411,2cyclictest0-21swapper/708:23:217
274451499140,1cyclictest0-21swapper/710:38:387
274451499140,13cyclictest0-21swapper/711:43:447
274451499140,13cyclictest0-21swapper/711:43:447
274451499140,12cyclictest3263129-21sh10:59:487
2744509991411,2cyclictest3311166-21kworker/u16:1+flush-8:011:38:376
274450999140,1cyclictest0-21swapper/611:25:506
274450999140,13cyclictest0-21swapper/608:33:216
2744499991413,1cyclictest0-21swapper/412:14:434
274451499139,3cyclictest1302-21snmpd10:19:557
274451499138,4cyclictest648-21systemd-journal12:03:157
274451499137,5cyclictest1302-21snmpd07:57:287
274451499131,11cyclictest6124-21gmain09:23:267
274451499130,4cyclictest3436307-21ssh12:11:447
274451499130,3cyclictest3006533-21sh09:18:257
274451499130,12cyclictest1256-21tuned-ppd11:41:157
274451499130,12cyclictest1085-21runrttasks11:28:497
274451499130,12cyclictest1085-21runrttasks10:04:187
274451499130,12cyclictest0-21swapper/709:33:517
274451499130,11cyclictest3101646-21sh09:53:477
2744509991312,1cyclictest0-21swapper/612:36:006
2744509991312,1cyclictest0-21swapper/611:16:516
2744509991312,1cyclictest0-21swapper/610:56:126
2744509991312,1cyclictest0-21swapper/610:31:176
2744509991312,1cyclictest0-21swapper/609:13:456
274450999130,13cyclictest0-21swapper/611:03:366
274450999130,13cyclictest0-21swapper/611:03:366
274450999130,13cyclictest0-21swapper/610:18:366
2744499991311,2cyclictest3240562-21kworker/u16:4+events_unbound10:57:504
2744499991311,2cyclictest2982037-21kworker/u16:3+flush-8:010:16:244
274451499129,2cyclictest1302-21snmpd12:22:197
274451499129,2cyclictest1302-21snmpd11:52:157
274451499129,2cyclictest1302-21snmpd11:12:477
274451499129,2cyclictest1302-21snmpd10:32:077
274451499129,2cyclictest1302-21snmpd09:30:007
274451499129,2cyclictest1302-21snmpd08:10:537
274451499128,3cyclictest1302-21snmpd10:43:477
274451499128,3cyclictest1302-21snmpd09:50:137
274451499128,3cyclictest1302-21snmpd09:05:187
274451499128,3cyclictest1302-21snmpd09:02:127
274451499128,3cyclictest1302-21snmpd08:01:267
274451499127,4cyclictest0-21swapper/708:47:147
274451499126,5cyclictest6530-21gmain09:41:347
274451499126,5cyclictest6530-21gmain09:41:347
274451499126,5cyclictest6233-21gvfs-afc-volume12:32:247
274451499120,7cyclictest3418680-21ssh12:03:417
274451499120,3cyclictest3473207-21ssh12:26:357
274451499120,3cyclictest3473207-21ssh12:26:357
274451499120,11cyclictest3177070-21sh10:25:137
274450999129,2cyclictest86-21ksoftirqd/607:38:476
274450999129,2cyclictest2883974-21pool-gnome-soft08:17:126
2744509991211,1cyclictest0-21swapper/612:19:176
2744509991211,1cyclictest0-21swapper/610:14:256
274450999120,1cyclictest0-21swapper/609:47:086
274450999120,12cyclictest0-21swapper/611:02:026
274450999120,12cyclictest0-21swapper/610:26:336
274450999120,12cyclictest0-21swapper/609:39:156
274450999120,12cyclictest0-21swapper/609:39:156
274450999120,12cyclictest0-21swapper/608:00:526
274451499118,2cyclictest1302-21snmpd11:56:337
274451499118,2cyclictest1302-21snmpd07:13:007
274451499117,3cyclictest1302-21snmpd10:48:537
274451499115,5cyclictest5831-21gnome-shell11:15:307
274451499114,6cyclictest1302-21snmpd08:41:057
274451499110,9cyclictest977-21in:imjournal07:23:457
274451499110,9cyclictest6530-21gmain08:03:467
274451499110,9cyclictest2981985-21sh09:08:267
274451499110,6cyclictest3349010-21ssh11:34:327
274451499110,6cyclictest2981556-21diskmemload10:10:427
274451499110,2cyclictest3068329-21sh09:43:317
274450999117,3cyclictest2755396-21kthreadcore07:13:236
274450999116,4cyclictest3131867-21kthreadcore10:08:386
274450999112,1cyclictest86-21ksoftirqd/611:56:036
2744509991110,1cyclictest0-21swapper/610:06:326
2744509991110,1cyclictest0-21swapper/609:09:186
2744509991110,1cyclictest0-21swapper/609:00:196
2744509991110,1cyclictest0-21swapper/608:52:546
274450999110,11cyclictest0-21swapper/608:37:376
274450499119,2cyclictest2884053-21kworker/u16:0+events_unbound08:33:385
274450499110,0cyclictest0-21swapper/507:28:045
274451499108,1cyclictest0-21swapper/710:53:397
274451499107,2cyclictest1302-21snmpd08:28:387
274451499102,7cyclictest2887012-21tr08:18:397
274451499100,8cyclictest1234-21tuned07:38:367
274451499100,5cyclictest3265908-21ssh11:03:347
274451499100,5cyclictest3265908-21ssh11:03:347
274451499100,1cyclictest0-21swapper/707:13:347
274450999109,1cyclictest0-21swapper/612:30:386
274450999109,1cyclictest0-21swapper/609:53:556
274450999109,1cyclictest0-21swapper/608:45:306
274450999109,1cyclictest0-21swapper/607:34:426
274450999109,1cyclictest0-21swapper/607:25:056
274450999104,5cyclictest0-21swapper/610:38:496
274450999103,6cyclictest0-21swapper/610:33:416
274450999102,3cyclictest3009415-21cat09:18:396
274450999100,9cyclictest3279582-21kthreadcore11:08:386
274450999100,9cyclictest2871599-21kthreadcore08:08:426
274450999100,4cyclictest3416800-21kthreadcore12:03:406
274450999100,4cyclictest3364254-21expr11:43:336
274450999100,4cyclictest3364254-21expr11:43:336
274450999100,4cyclictest3303209-21cut11:18:366
274450999100,0cyclictest0-21swapper/608:54:296
27445149996,2cyclictest1302-21snmpd07:45:047
27445099997,1cyclictest0-21swapper/611:58:406
27445099996,2cyclictest3327846-21cut11:28:366
27445099995,3cyclictest3032328-21irqcore09:28:386
27445099995,3cyclictest2885347-21cat08:18:366
27445099990,8cyclictest3438030-21expr12:13:356
27445099990,8cyclictest3048444-21kthreadcore09:33:406
27445099990,8cyclictest3019007-21/usr/sbin/munin09:23:316
27445099990,8cyclictest2787787-21cstates07:28:356
27445099990,8cyclictest0-21swapper/611:33:376
27445099990,8cyclictest0-21swapper/610:48:426
27445099990,8cyclictest0-21swapper/608:23:376
27445099990,3cyclictest3085540-21kthreadcore09:48:406
27445099990,1cyclictest0-21swapper/608:03:406
27445099986,2cyclictest86-21ksoftirqd/607:43:456
27445099985,2cyclictest0-21swapper/607:08:336
27445099983,4cyclictest2771642-21grep07:18:416
27445099972,4cyclictest2827582-21grep07:48:376
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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