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2026-03-25 - 15:29
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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 Wed Mar 25, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293932626150,7sleep60-21swapper/607:00:426
293932525444,7sleep50-21swapper/507:00:415
2939794994341,2cyclictest2901817-21kworker/u16:2+events_unbound07:23:255
29394302422,36sleep70-21swapper/707:02:117
626589410,34rtkit-daemon0-21swapper/407:01:524
2939795994038,2cyclictest3485590-21kworker/u16:1+flush-8:011:28:396
2939794993836,2cyclictest3558320-21kworker/u16:3+events_unbound12:18:315
2939795993735,2cyclictest3329606-21kworker/u16:3+events_unbound10:13:246
2939794993634,2cyclictest3435267-21kworker/u16:0+events_unbound10:53:205
2939799993534,0cyclictest0-21swapper/707:48:437
2939794993533,2cyclictest3435267-21kworker/u16:0+events_unbound12:08:315
35233032340,1sleep50-21swapper/511:28:215
2939794993431,3cyclictest3485590-21kworker/u16:1+events_unbound11:23:205
2939792993432,2cyclictest3521826-21kworker/u16:2+events_unbound11:43:204
2939792993432,2cyclictest2991043-21kworker/u16:3+events_unbound07:33:294
2939792993432,2cyclictest2920528-21kworker/u16:1+events_unbound07:08:104
2939795993331,2cyclictest3438024-21kworker/u16:4+events_unbound11:08:196
2939794993331,2cyclictest3020106-21kworker/u16:1+events_unbound07:58:375
2939794993331,2cyclictest2920528-21kworker/u16:1+events_unbound07:08:345
2939795993230,2cyclictest3435267-21kworker/u16:0+events_unbound12:13:356
2939794993230,2cyclictest3020106-21kworker/u16:1+events_unbound09:13:225
2939799993130,0cyclictest0-21swapper/707:08:227
2939792993129,2cyclictest3435267-21kworker/u16:0+events_unbound11:28:234
2939795993028,2cyclictest3197295-21kworker/u16:4+flush-8:010:08:386
2939795993027,2cyclictest3154031-21kworker/u16:2+flush-8:009:28:226
2939795993027,2cyclictest3154031-21kworker/u16:2+flush-8:009:28:226
2939794993028,2cyclictest3580968-21kworker/u16:1+events_unbound12:08:015
2939799992929,0cyclictest0-21swapper/709:58:417
2939795992927,2cyclictest3413993-21kworker/u16:3+flush-8:010:43:356
2939795992926,2cyclictest3435267-21kworker/u16:0+flush-8:012:08:386
2939794992927,2cyclictest3048535-21kworker/u16:2+events_unbound08:08:245
2939792992927,2cyclictest3048535-21kworker/u16:2+events_unbound08:28:184
2939794992826,2cyclictest3230294-21kworker/u16:0+events_unbound09:48:195
2939792992826,2cyclictest3230294-21kworker/u16:0+events_unbound09:43:364
2939799992727,0cyclictest0-21swapper/711:08:417
2939799992726,0cyclictest0-21swapper/712:13:457
2939799992721,5cyclictest3173096-21latency_hist09:03:077
2939795992725,2cyclictest3001088-21kworker/u16:0+events_unbound08:13:216
2939795992724,3cyclictest3558320-21kworker/u16:3+flush-8:012:33:016
2939794992725,2cyclictest3485590-21kworker/u16:1+events_unbound11:34:195
2939794992725,2cyclictest3329606-21kworker/u16:3+events_unbound10:23:205
2939794992725,2cyclictest3230294-21kworker/u16:0+events_unbound09:43:205
2939794992725,2cyclictest3174390-21kworker/u16:3+events_unbound09:13:055
2939794992725,2cyclictest3154031-21kworker/u16:2+events_unbound10:42:335
2939792992725,2cyclictest3558320-21kworker/u16:3+events_unbound12:18:254
2939799992621,4cyclictest2949195-21latency_hist07:08:077
2939799992620,5cyclictest3000899-21latency_hist07:33:077
2939795992624,2cyclictest2920528-21kworker/u16:1+events_unbound07:08:126
2939794992624,2cyclictest3154031-21kworker/u16:2+events_unbound10:23:015
2939794992624,2cyclictest3001088-21kworker/u16:0+events_unbound08:38:205
2939794992624,2cyclictest2920528-21kworker/u16:1+flush-8:007:08:025
2939799992522,2cyclictest124-21kswapd012:28:187
2939795992523,2cyclictest3230294-21kworker/u16:0+flush-8:010:33:306
2939794992523,2cyclictest3197295-21kworker/u16:4+events_unbound09:29:575
2939794992523,2cyclictest3197295-21kworker/u16:4+events_unbound09:29:575
2939794992523,2cyclictest3001088-21kworker/u16:0+events_unbound08:33:195
2939792992523,2cyclictest3558320-21kworker/u16:3+events_unbound11:54:224
2939792992523,2cyclictest3197295-21kworker/u16:4+flush-8:009:23:274
2939792992523,2cyclictest3154031-21kworker/u16:2+events_unbound10:23:384
2939792992523,2cyclictest3154031-21kworker/u16:2+events_unbound09:33:184
2939792992523,2cyclictest3154031-21kworker/u16:2+events_unbound09:13:264
2939792992523,2cyclictest3001088-21kworker/u16:0+events_unbound08:11:434
2939799992424,0cyclictest0-21swapper/711:33:247
2939799992423,0cyclictest0-21swapper/712:03:497
2939799992423,0cyclictest0-21swapper/710:03:207
2939799992422,1cyclictest3173097-21diskmemload09:28:127
2939799992422,1cyclictest3173097-21diskmemload09:28:127
2939795992422,2cyclictest3617905-21kworker/u16:2+flush-8:012:18:316
2939795992422,2cyclictest3230294-21kworker/u16:0+flush-8:009:38:226
2939794992422,2cyclictest3230294-21kworker/u16:0+events_unbound09:23:385
2939794992422,2cyclictest3154031-21kworker/u16:2+flush-8:009:03:025
2939794992422,2cyclictest3048535-21kworker/u16:2+events_unbound08:28:225
2939794992422,2cyclictest3020106-21kworker/u16:1+events_unbound08:43:215
2939799992322,0cyclictest0-21swapper/707:26:407
2939795992321,2cyclictest3048535-21kworker/u16:2+flush-8:008:28:306
2939795992321,2cyclictest2920528-21kworker/u16:1+events_unbound07:03:256
2939795992320,2cyclictest3020106-21kworker/u16:1+flush-8:009:18:076
2939794992321,2cyclictest3580968-21kworker/u16:1+events_unbound11:54:485
2939794992321,2cyclictest3558320-21kworker/u16:3+events_unbound12:23:355
2939794992321,2cyclictest3485590-21kworker/u16:1+events_unbound11:17:035
2939794992321,2cyclictest3413993-21kworker/u16:3+events_unbound11:12:045
2939794992321,2cyclictest3154031-21kworker/u16:2+events_unbound09:33:565
2939794992321,2cyclictest3020106-21kworker/u16:1+events_unbound09:05:125
2939792992321,2cyclictest3435267-21kworker/u16:0+events_unbound10:49:044
2939792992321,2cyclictest3413993-21kworker/u16:3+events_unbound11:08:294
2939792992321,2cyclictest3230294-21kworker/u16:0+events_unbound09:53:304
2939792992321,2cyclictest3197295-21kworker/u16:4+events_unbound10:08:254
2939792992321,2cyclictest3048535-21kworker/u16:2+flush-8:008:18:224
2939799992219,2cyclictest3206198-21ssh09:13:317
2939795992220,2cyclictest3435267-21kworker/u16:0+events_unbound12:03:306
2939795992219,2cyclictest3001088-21kworker/u16:0+flush-8:008:43:066
2939794992220,2cyclictest3617905-21kworker/u16:2+events_unbound12:31:485
2939794992220,2cyclictest3580968-21kworker/u16:1+events_unbound11:58:355
2939794992220,2cyclictest3438024-21kworker/u16:4+events_unbound11:07:325
2939794992220,2cyclictest3197295-21kworker/u16:4+events_unbound09:54:565
2939794992220,2cyclictest3197295-21kworker/u16:4+events_unbound09:20:175
2939794992220,2cyclictest2991044-21kworker/u16:4+events_unbound07:38:355
2939792992220,2cyclictest3558320-21kworker/u16:3+events_unbound12:13:204
2939792992220,2cyclictest3197295-21kworker/u16:4+flush-8:009:58:304
2939799992120,0cyclictest0-21swapper/712:18:237
2939799992120,0cyclictest0-21swapper/710:33:407
2939799992120,0cyclictest0-21swapper/708:00:237
2939794992119,2cyclictest3438024-21kworker/u16:4+events_unbound11:18:295
2939794992119,2cyclictest3413993-21kworker/u16:3+events_unbound11:02:335
2939794992119,2cyclictest3230294-21kworker/u16:0+events_unbound10:28:195
2939794992119,2cyclictest3230294-21kworker/u16:0+events_unbound10:16:455
2939794992119,2cyclictest2901817-21kworker/u16:2+events_unbound07:28:345
2939794992119,2cyclictest2901817-21kworker/u16:2+events_unbound07:19:055
2939794992119,2cyclictest2901817-21kworker/u16:2+events_unbound07:19:055
2939792992119,2cyclictest3048535-21kworker/u16:2+flush-8:008:03:314
2939792992119,2cyclictest3048535-21kworker/u16:2+flush-8:008:03:314
2939792992119,2cyclictest3001088-21kworker/u16:0+events_unbound08:15:434
2939792992119,2cyclictest3001088-21kworker/u16:0+events_unbound07:43:314
2939799992019,0cyclictest0-21swapper/708:40:587
2939799992019,0cyclictest0-21swapper/708:34:277
2939799992019,0cyclictest0-21swapper/708:08:537
2939799992017,2cyclictest3182818-21ssh09:03:487
2939795992018,2cyclictest3413993-21kworker/u16:3+events_unbound10:58:296
2939795992017,2cyclictest3154031-21kworker/u16:2+flush-8:009:08:076
2939794992018,2cyclictest3558320-21kworker/u16:3+events_unbound11:49:085
2939794992018,2cyclictest3048535-21kworker/u16:2+events_unbound08:18:245
2939792992018,2cyclictest3580968-21kworker/u16:1+flush-8:012:03:274
2939792992018,2cyclictest3521826-21kworker/u16:2+events_unbound11:38:424
2939792992018,2cyclictest3435267-21kworker/u16:0+events_unbound12:08:294
2939792992018,2cyclictest3389676-21kworker/u16:1+flush-8:010:53:304
2939792992018,2cyclictest3389676-21kworker/u16:1+events_unbound10:58:194
2939792992018,2cyclictest3154031-21kworker/u16:2+flush-8:009:28:304
2939792992018,2cyclictest3154031-21kworker/u16:2+flush-8:009:28:304
2939792992018,2cyclictest3048535-21kworker/u16:2+events_unbound08:23:194
2939799991918,0cyclictest0-21swapper/707:40:237
2939799991918,0cyclictest0-21swapper/707:35:387
2939799991918,0cyclictest0-21swapper/707:16:237
2939795991917,2cyclictest3154031-21kworker/u16:2+events_unbound09:53:326
2939795991917,2cyclictest3020106-21kworker/u16:1+flush-8:009:08:386
2939794991917,2cyclictest3617905-21kworker/u16:2+events_unbound12:17:125
2939794991917,2cyclictest3435267-21kworker/u16:0+events_unbound11:44:445
2939794991917,2cyclictest3435267-21kworker/u16:0+events_unbound10:53:045
2939794991917,2cyclictest3154031-21kworker/u16:2+events_unbound10:33:535
2939794991917,2cyclictest3001088-21kworker/u16:0+events_unbound08:48:355
2939792991917,2cyclictest3020106-21kworker/u16:1+events_unbound09:08:184
2939799991818,0cyclictest0-21swapper/711:43:387
2939799991817,0cyclictest0-21swapper/707:20:587
2939799991817,0cyclictest0-21swapper/707:20:587
2939795991816,2cyclictest3558320-21kworker/u16:3+events_unbound11:53:286
2939794991816,2cyclictest3389676-21kworker/u16:1+events_unbound10:46:125
2939794991816,2cyclictest3230294-21kworker/u16:0+events_unbound10:03:575
2939794991816,2cyclictest2991044-21kworker/u16:4+events_unbound07:43:365
2939792991816,2cyclictest3521826-21kworker/u16:2+events_unbound11:38:054
2939792991816,2cyclictest3438024-21kworker/u16:4+events_unbound11:23:244
2939792991816,2cyclictest3435267-21kworker/u16:0+events_unbound11:04:324
2939792991816,2cyclictest3154031-21kworker/u16:2+events_unbound09:02:304
2939792991816,2cyclictest3001088-21kworker/u16:0+flush-8:008:38:284
2939792991816,2cyclictest2901817-21kworker/u16:2+events_unbound07:03:214
293979299180,17cyclictest3598183-21cut11:58:244
293979999179,7cyclictest0-21swapper/709:53:247
2939794991715,2cyclictest3521826-21kworker/u16:2+events_unbound11:38:485
2939794991715,2cyclictest3230294-21kworker/u16:0+events_unbound09:40:285
2939794991715,2cyclictest3154031-21kworker/u16:2+events_unbound10:09:205
2939794991715,2cyclictest3048535-21kworker/u16:2+events_unbound07:57:335
2939794991714,2cyclictest2939556-21kworker/u16:0+events_unbound07:13:135
2939792991715,2cyclictest3413993-21kworker/u16:3+events_unbound10:43:284
2939792991715,2cyclictest3154031-21kworker/u16:2+flush-8:009:03:274
2939792991715,2cyclictest3154031-21kworker/u16:2+events_unbound10:38:294
2939792991715,2cyclictest2901817-21kworker/u16:2+events_unbound07:13:314
2939792991715,1cyclictest2991007-21fwupd07:25:084
293979999168,7cyclictest0-21swapper/710:28:257
293979999167,7cyclictest0-21swapper/711:18:307
293979999166,9cyclictest0-21swapper/709:08:267
2939799991614,1cyclictest0-21swapper/708:23:277
2939799991614,1cyclictest0-21swapper/708:18:267
2939799991612,3cyclictest1267-21snmpd08:44:217
293979999160,14cyclictest0-21swapper/710:38:297
2939795991614,2cyclictest3485590-21kworker/u16:1+events_unbound11:33:286
2939795991614,2cyclictest3001088-21kworker/u16:0+events_unbound08:58:296
2939792991614,2cyclictest3558320-21kworker/u16:3+events_unbound11:50:324
2939792991614,2cyclictest3001088-21kworker/u16:0+events_unbound08:33:304
2939792991614,2cyclictest2901817-21kworker/u16:2+events_unbound07:32:034
293979299160,1cyclictest0-21swapper/408:48:254
293979999157,7cyclictest0-21swapper/711:13:237
293979999157,7cyclictest0-21swapper/710:58:297
293979999157,7cyclictest0-21swapper/710:13:067
293979999157,7cyclictest0-21swapper/709:23:347
293979999156,8cyclictest0-21swapper/710:18:207
2939799991514,0cyclictest0-21swapper/708:14:317
2939799991513,1cyclictest0-21swapper/708:28:247
2939795991514,1cyclictest0-21swapper/610:21:236
2939795991513,2cyclictest3230294-21kworker/u16:0+events_unbound09:43:306
2939795991511,3cyclictest3329606-21kworker/u16:3+events_unbound10:23:166
2939794991513,2cyclictest3154031-21kworker/u16:2+events_unbound10:02:125
2939794991513,2cyclictest3001088-21kworker/u16:0+events_unbound07:51:335
2939792991513,2cyclictest3435267-21kworker/u16:0+events_unbound12:32:544
2939792991513,2cyclictest3230294-21kworker/u16:0+events_unbound09:49:064
2939792991513,2cyclictest3197295-21kworker/u16:4+events_unbound09:21:494
293979999147,6cyclictest0-21swapper/711:48:197
293979999146,7cyclictest0-21swapper/712:23:347
293979999146,7cyclictest0-21swapper/712:08:337
293979999146,7cyclictest0-21swapper/711:53:287
293979999146,7cyclictest0-21swapper/710:43:227
293979999146,7cyclictest0-21swapper/710:13:277
293979999146,7cyclictest0-21swapper/709:43:227
293979999145,8cyclictest0-21swapper/711:42:397
293979999145,8cyclictest0-21swapper/710:55:127
293979999145,7cyclictest0-21swapper/711:23:197
293979999143,9cyclictest0-21swapper/709:38:217
2939799991412,1cyclictest3173097-21diskmemload11:03:277
2939799991410,3cyclictest5747-21gnome-shell10:23:167
293979999140,1cyclictest0-21swapper/708:48:297
2939795991413,1cyclictest0-21swapper/610:49:276
2939795991412,2cyclictest3435267-21kworker/u16:0+events_unbound11:58:316
2939795991411,3cyclictest2901817-21kworker/u16:2+events_unbound07:25:226
2939795991411,2cyclictest3574091-21kthreadcore11:48:246
293979599140,6cyclictest0-21swapper/611:18:206
2939792991413,1cyclictest0-21swapper/411:23:054
2939792991412,2cyclictest3558320-21kworker/u16:3+events_unbound12:24:524
293979299140,14cyclictest0-21swapper/410:37:504
293979999139,3cyclictest1267-21snmpd08:54:277
293979999136,6cyclictest0-21swapper/711:29:137
293979999136,6cyclictest0-21swapper/709:33:187
293979999135,7cyclictest0-21swapper/711:58:237
293979999135,7cyclictest0-21swapper/710:48:287
293979999135,7cyclictest0-21swapper/709:18:487
293979599139,3cyclictest3095817-21processes08:18:346
2939795991311,2cyclictest3438024-21kworker/u16:4+flush-8:011:13:226
293979599130,13cyclictest0-21swapper/611:40:416
293979599130,0cyclictest0-21swapper/610:57:396
2939794991311,2cyclictest3001088-21kworker/u16:0+events_unbound08:04:155
2939794991311,2cyclictest3001088-21kworker/u16:0+events_unbound08:04:155
2939792991312,1cyclictest0-21swapper/410:03:284
2939792991311,2cyclictest3001088-21kworker/u16:0+flush-8:007:54:174
2939792991311,2cyclictest3001088-21kworker/u16:0+events_unbound08:53:244
2939792991311,1cyclictest3489709-21kthreadcore11:13:234
2939792991310,2cyclictest3001088-21kworker/u16:0+events_unbound08:43:134
293979999125,6cyclictest0-21swapper/709:48:087
293979999120,3cyclictest3045414-21kthreadcore07:53:267
293979999120,11cyclictest96-21ksoftirqd/707:43:237
293979999120,10cyclictest0-21swapper/708:03:307
293979999120,10cyclictest0-21swapper/708:03:307
293979599128,3cyclictest3246659-21cat09:33:206
293979599120,12cyclictest0-21swapper/608:37:206
2939794991211,1cyclictest0-21swapper/508:53:475
2939794991210,2cyclictest2991043-21kworker/u16:3+events_unbound07:34:175
2939792991210,2cyclictest3329606-21kworker/u16:3+events_unbound10:15:334
2939792991210,2cyclictest3154031-21kworker/u16:2+flush-8:010:28:404
2939792991210,2cyclictest3154031-21kworker/u16:2+events_unbound09:42:554
293979599119,2cyclictest3154031-21kworker/u16:2+flush-8:009:48:286
293979599119,2cyclictest2991043-21kworker/u16:3+events_unbound07:28:246
293979599117,3cyclictest3050004-21cat07:58:236
293979599112,8cyclictest0-21swapper/607:48:216
2939795991110,1cyclictest0-21swapper/611:24:456
2939795991110,1cyclictest0-21swapper/609:26:506
2939795991110,1cyclictest0-21swapper/608:54:036
2939795991110,1cyclictest0-21swapper/608:08:106
2939795991110,1cyclictest0-21swapper/607:57:366
2939795991110,1cyclictest0-21swapper/607:36:576
293979599110,1cyclictest0-21swapper/610:28:316
293979599110,1cyclictest0-21swapper/607:39:096
293979499119,2cyclictest3020106-21kworker/u16:1+events_unbound08:24:455
2939794991110,1cyclictest0-21swapper/508:14:315
293979299117,3cyclictest3354816-21cat10:18:214
2939792991110,1cyclictest0-21swapper/407:40:194
293979599109,1cyclictest0-21swapper/609:58:366
293979299109,1cyclictest0-21swapper/408:02:524
293979299107,2cyclictest2901817-21kworker/u16:2+flush-8:007:18:124
293979299107,2cyclictest2901817-21kworker/u16:2+flush-8:007:18:124
29397959998,1cyclictest0-21swapper/611:06:006
29397959997,2cyclictest3230294-21kworker/u16:0+events_unbound10:03:326
29397929998,1cyclictest0-21swapper/407:51:404
29397959987,1cyclictest0-21swapper/611:46:316
29397959986,1cyclictest0-21swapper/607:13:206
29397959983,4cyclictest3659883-21cut12:23:256
29397959983,4cyclictest3406106-21grep10:38:246
29397959983,4cyclictest3211699-21cut09:18:236
29397959983,4cyclictest3135373-21wc08:43:206
29397959983,4cyclictest3100975-21grep08:23:256
29397959975,2cyclictest3001088-21kworker/u16:0+events_unbound08:03:196
29397959975,2cyclictest3001088-21kworker/u16:0+events_unbound08:03:196
29397959974,2cyclictest3145101-21cstates08:48:186
29397959974,2cyclictest2973291-21hwlatdetect07:18:206
29397959974,2cyclictest2973291-21hwlatdetect07:18:206
29397959972,4cyclictest3021376-21sed07:43:236
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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