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2026-06-27 - 17:16
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Sat Jun 27, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
389299025646,7sleep50-21swapper/507:06:585
388388424433,7sleep40-21swapper/407:04:254
3893472994339,3cyclictest36781-21kworker/u16:1+flush-8:009:59:196
38928802435,32sleep70-21swapper/707:05:247
3893466994038,2cyclictest3845280-21kworker/u16:4+flush-8:007:29:355
3893466993937,2cyclictest318464-21kworker/u16:0+events_unbound11:47:115
3893466993836,2cyclictest4192812-21kworker/u16:0+events_unbound10:42:595
3893466993836,2cyclictest4101690-21kworker/u16:4+events_unbound09:39:585
3893466993836,2cyclictest160869-21kworker/u16:2+events_unbound10:50:465
3893466993735,2cyclictest4192812-21kworker/u16:0+events_unbound11:10:255
3893466993735,2cyclictest4192812-21kworker/u16:0+events_unbound09:55:595
3893466993735,2cyclictest4101690-21kworker/u16:4+events_unbound09:29:035
3893466993735,2cyclictest333339-21kworker/u16:1+events_unbound12:30:225
3893466993735,2cyclictest318464-21kworker/u16:0+events_unbound11:43:225
3893466993735,2cyclictest271585-21kworker/u16:4+events_unbound12:05:315
3893466993735,2cyclictest135666-21kworker/u16:4+events_unbound11:06:465
3893466993734,2cyclictest333339-21kworker/u16:1+events_unbound12:19:225
3893466993734,2cyclictest333339-21kworker/u16:1+events_unbound12:19:225
3893466993634,2cyclictest4192812-21kworker/u16:0+flush-8:010:15:185
3893466993634,2cyclictest271585-21kworker/u16:4+events_unbound12:35:315
3893466993634,2cyclictest271585-21kworker/u16:4+events_unbound12:16:265
3893466993634,2cyclictest135666-21kworker/u16:4+events_unbound10:32:105
3893466993634,2cyclictest10369-21kworker/u16:2+events_unbound09:47:235
3893466993633,2cyclictest318464-21kworker/u16:0+events_unbound11:59:225
3893466993533,2cyclictest97689-21kworker/u16:1+events_unbound10:39:055
3893466993533,2cyclictest4192812-21kworker/u16:0+events_unbound09:53:545
3893466993533,2cyclictest4155945-21kworker/u16:5+flush-8:009:22:465
3893466993533,2cyclictest4101690-21kworker/u16:4+flush-8:009:30:275
3893466993533,2cyclictest4087617-21kworker/u16:0+flush-8:008:54:475
3893466993533,2cyclictest4087617-21kworker/u16:0+flush-8:008:54:475
3893466993533,2cyclictest4018407-21kworker/u16:3+events_unbound09:11:555
3893466993533,2cyclictest3903177-21kworker/u16:2+events_unbound07:20:435
3893466993533,2cyclictest3903177-21kworker/u16:2+events_unbound07:20:435
3893466993533,2cyclictest359276-21kworker/u16:2+events_unbound12:10:135
3893466993533,2cyclictest271585-21kworker/u16:4+flush-8:011:50:025
3893466993533,2cyclictest271585-21kworker/u16:4+flush-8:011:35:105
3893466993533,2cyclictest247300-21kworker/u16:1+events_unbound11:29:345
3893466993533,2cyclictest247300-21kworker/u16:1+events_unbound11:22:065
3893466993533,2cyclictest135666-21kworker/u16:4+events_unbound11:02:145
3893466993533,2cyclictest10369-21kworker/u16:2+flush-8:010:22:095
3893466993533,2cyclictest10369-21kworker/u16:2+events_unbound10:27:195
3893466993533,2cyclictest10369-21kworker/u16:2+events_unbound10:08:355
3893466993532,2cyclictest4192812-21kworker/u16:0+events_unbound10:54:235
128052350,0chrt12804-21diskstats09:39:327
3893466993432,2cyclictest61395-21kworker/u16:5+events_unbound10:12:595
3893466993432,2cyclictest4192812-21kworker/u16:0+events_unbound11:15:435
3893466993432,2cyclictest4192812-21kworker/u16:0+events_unbound10:46:465
3893466993432,2cyclictest4033820-21kworker/u16:4+flush-8:008:24:455
3893466993432,2cyclictest333339-21kworker/u16:1+events_unbound12:27:465
3893466993432,2cyclictest333339-21kworker/u16:1+events_unbound11:57:215
3893466993432,2cyclictest271585-21kworker/u16:4+events_unbound11:26:385
1164302340,1chrt116431-21ssh10:19:397
3893475993326,6cyclictest4033427-21latency_hist08:19:207
389347599330,31cyclictest185006-21latency_hist10:49:197
3893466993230,2cyclictest3945620-21kworker/u16:1+events_unbound08:09:195
3893466993230,2cyclictest10369-21kworker/u16:2+events_unbound10:01:515
3893466993229,2cyclictest4018407-21kworker/u16:3+events_unbound08:49:385
389287923222,7sleep60-21swapper/607:05:236
3893466993129,2cyclictest4033621-21kworker/u16:1+flush-8:009:35:225
1579322310,1chrt157931-21ssh10:35:107
3893466993028,2cyclictest3975184-21kworker/u16:4+flush-8:007:49:435
3893466992927,2cyclictest4152949-21kworker/u16:0+events_unbound09:15:305
3893466992927,2cyclictest4018407-21kworker/u16:3+events_unbound08:19:465
3893466992926,2cyclictest3903175-21kworker/u16:0+flush-8:007:39:215
3893466992826,2cyclictest4101690-21kworker/u16:4+events_unbound09:07:395
3893466992826,2cyclictest3903177-21kworker/u16:2+flush-8:007:54:465
741702270,1chrt74171-21ssh10:04:247
3893466992725,2cyclictest3873846-21kworker/u16:1+flush-8:007:14:495
3893475992621,4cyclictest370360-21latency_hist12:04:197
3893466992623,2cyclictest3961367-21kworker/u16:3+flush-8:007:44:305
3893475992519,5cyclictest3984790-21latency_hist07:54:197
3893466992422,2cyclictest3945620-21kworker/u16:1+events_unbound07:59:485
3893466992422,2cyclictest3903177-21kworker/u16:2+events_unbound08:11:305
41029722230,0chrt0-21swapper/608:54:356
41029722230,0chrt0-21swapper/608:54:356
3893472992219,2cyclictest97689-21kworker/u16:1+flush-8:010:39:306
3893472992219,2cyclictest61395-21kworker/u16:5+flush-8:010:04:506
3893466992217,2cyclictest4018407-21kworker/u16:3+flush-8:008:59:355
3893475992116,4cyclictest432129-21latency_hist12:29:197
3893472992120,1cyclictest359276-21kworker/u16:2+events_unbound12:36:426
3893472992119,2cyclictest3873846-21kworker/u16:1+flush-8:007:14:196
3893466992119,2cyclictest4018407-21kworker/u16:3+events_unbound08:18:305
3893472991917,2cyclictest4033621-21kworker/u16:1+flush-8:008:49:506
389347599180,17cyclictest0-21swapper/707:16:287
3893466991816,2cyclictest4018407-21kworker/u16:3+events_unbound08:43:195
3893475991714,2cyclictest1278-21snmpd07:25:207
3893466991715,2cyclictest4072076-21kworker/u16:2+events_unbound08:36:465
3893466991715,2cyclictest4048206-21kworker/u16:0+flush-8:008:30:235
3893466991715,2cyclictest3845280-21kworker/u16:4+events_unbound07:27:395
3893475991614,1cyclictest0-21swapper/711:19:457
3893475991611,4cyclictest135629-21latency_hist10:29:197
3893475991610,5cyclictest3965342-21latency_hist07:44:207
3893475991610,5cyclictest209739-21latency_hist10:59:197
3893472991615,1cyclictest10369-21kworker/u16:2+events_unbound10:19:386
3893466991614,2cyclictest3845280-21kworker/u16:4+events_unbound07:13:195
3893475991513,1cyclictest432628-21/usr/sbin/munin12:29:427
3893475991513,1cyclictest147127-21ssh10:32:527
3893475991512,2cyclictest1278-21snmpd12:08:047
3893475991512,2cyclictest0-21swapper/710:59:197
3893475991512,2cyclictest0-21swapper/707:29:457
3893475991510,3cyclictest246900-21idleruntime-cro11:14:197
389347299150,1cyclictest0-21swapper/610:30:486
3893463991512,2cyclictest4018407-21kworker/u16:3+flush-8:009:34:304
389347599149,3cyclictest1278-21snmpd11:16:127
389347599148,5cyclictest4091787-21latency_hist08:49:197
3893475991412,1cyclictest0-21swapper/711:39:407
3893475991412,1cyclictest0-21swapper/707:54:347
3893475991411,2cyclictest1278-21snmpd09:32:397
389347599140,3cyclictest283141-21rm11:27:587
3893472991413,1cyclictest0-21swapper/612:27:576
3893472991413,1cyclictest0-21swapper/612:09:396
3893472991413,1cyclictest0-21swapper/611:24:246
3893472991413,1cyclictest0-21swapper/609:48:336
3893472991413,1cyclictest0-21swapper/609:26:576
3893472991413,1cyclictest0-21swapper/609:14:026
389347299140,1cyclictest0-21swapper/608:16:296
389347299140,14cyclictest0-21swapper/609:24:076
3893466991412,2cyclictest3903175-21kworker/u16:0+flush-8:007:34:485
3893463991413,1cyclictest0-21swapper/412:37:314
3893463991413,1cyclictest0-21swapper/412:30:354
3893463991413,1cyclictest0-21swapper/411:59:414
3893463991413,1cyclictest0-21swapper/409:30:044
3893463991413,1cyclictest0-21swapper/408:12:304
389346399140,1cyclictest0-21swapper/409:27:144
389346399140,1cyclictest0-21swapper/409:15:434
389346399140,1cyclictest0-21swapper/408:15:304
389346399140,14cyclictest0-21swapper/411:30:034
389346399140,14cyclictest0-21swapper/410:50:474
389346399140,14cyclictest0-21swapper/410:28:054
389346399140,14cyclictest0-21swapper/408:27:384
389347599139,3cyclictest1278-21snmpd09:13:507
389347599139,3cyclictest1278-21snmpd09:03:447
389347599137,5cyclictest4101511-21latency_hist08:54:197
3893475991311,1cyclictest0-21swapper/710:09:397
3893475991310,2cyclictest0-21swapper/707:34:467
389347599130,12cyclictest1278-21snmpd12:12:177
389347599130,11cyclictest4122210-21cat09:04:357
389347599130,11cyclictest4017781-21grep08:09:397
3893472991312,1cyclictest0-21swapper/611:32:556
3893472991312,1cyclictest0-21swapper/610:25:086
389347299130,13cyclictest0-21swapper/610:57:556
389347299130,0cyclictest0-21swapper/607:59:466
3893466991311,2cyclictest4033621-21kworker/u16:1+events_unbound08:47:295
3893463991312,1cyclictest0-21swapper/412:06:474
3893463991312,1cyclictest0-21swapper/411:18:514
3893463991312,1cyclictest0-21swapper/411:09:054
3893463991312,1cyclictest0-21swapper/409:55:464
3893463991312,1cyclictest0-21swapper/409:14:184
3893463991312,1cyclictest0-21swapper/408:42:464
389346399130,1cyclictest0-21swapper/409:40:094
389346399130,13cyclictest0-21swapper/408:57:544
389346399130,13cyclictest0-21swapper/408:57:544
389346399130,13cyclictest0-21swapper/408:45:464
389346399130,0cyclictest0-21swapper/411:38:334
389347599129,2cyclictest0-21swapper/711:54:337
389347599129,2cyclictest0-21swapper/707:59:447
389347599128,3cyclictest6083-21gmain09:20:347
389347599128,3cyclictest1278-21snmpd12:34:417
389347599128,3cyclictest1278-21snmpd11:29:337
389347599128,3cyclictest1278-21snmpd09:34:487
389347599128,3cyclictest1278-21snmpd08:37:527
389347599128,3cyclictest1278-21snmpd08:26:097
389347599128,3cyclictest1278-21snmpd07:21:057
389347599128,3cyclictest1278-21snmpd07:21:057
389347599128,3cyclictest0-21swapper/709:24:547
389347599127,4cyclictest4005465-21cat08:04:357
389347599127,4cyclictest396389-21cat12:14:357
389347599126,5cyclictest6341-21gvfs-afc-volume11:37:397
3893475991210,1cyclictest0-21swapper/710:39:327
389347599120,2cyclictest34321-21ssh09:45:227
3893472991211,1cyclictest0-21swapper/610:46:256
3893472991211,1cyclictest0-21swapper/609:29:476
3893472991211,1cyclictest0-21swapper/607:28:246
3893472991211,1cyclictest0-21swapper/607:19:256
3893472991211,1cyclictest0-21swapper/607:19:256
389347299120,1cyclictest0-21swapper/608:46:556
389346399120,1cyclictest0-21swapper/409:00:544
389346399120,0cyclictest0-21swapper/408:01:564
389347599118,2cyclictest1074-21containerd10:04:177
389347599117,3cyclictest6341-21gvfs-afc-volume09:58:397
389347599117,3cyclictest1278-21snmpd12:21:297
389347599117,3cyclictest1278-21snmpd12:21:297
389347599117,3cyclictest1278-21snmpd11:44:557
389347599117,3cyclictest1278-21snmpd10:50:387
389347599117,3cyclictest1278-21snmpd08:54:257
389347599117,3cyclictest1278-21snmpd08:54:257
389347599116,4cyclictest99757-21cat10:14:357
389347599116,4cyclictest4034598-21cat08:19:357
389347599110,1cyclictest0-21swapper/711:52:127
3893472991110,1cyclictest0-21swapper/611:59:436
3893472991110,1cyclictest0-21swapper/609:39:536
3893472991110,1cyclictest0-21swapper/609:16:526
3893472991110,1cyclictest0-21swapper/609:05:026
3893472991110,1cyclictest0-21swapper/608:19:296
3893472991110,1cyclictest0-21swapper/607:56:466
3893472991110,1cyclictest0-21swapper/607:46:226
389347299110,0cyclictest0-21swapper/608:43:556
389347299110,0cyclictest0-21swapper/608:08:556
3893463991110,1cyclictest0-21swapper/412:20:494
3893463991110,1cyclictest0-21swapper/412:20:494
3893463991110,1cyclictest0-21swapper/410:55:034
3893463991110,1cyclictest0-21swapper/407:51:324
3893463991110,1cyclictest0-21swapper/407:47:074
3893463991110,1cyclictest0-21swapper/407:21:444
3893463991110,1cyclictest0-21swapper/407:21:444
389347599108,1cyclictest0-21swapper/709:49:327
389347599106,3cyclictest1278-21snmpd08:43:107
389347599105,5cyclictest6341-21gvfs-afc-volume09:15:237
389347299108,2cyclictest86-21ksoftirqd/612:04:316
389347299108,2cyclictest86-21ksoftirqd/611:17:176
389347299100,10cyclictest0-21swapper/607:40:236
389346399109,1cyclictest0-21swapper/410:19:344
389346399109,1cyclictest0-21swapper/409:50:054
389346399109,1cyclictest0-21swapper/409:19:594
389346399109,1cyclictest0-21swapper/407:35:084
389346399109,1cyclictest0-21swapper/407:17:194
38934759995,3cyclictest223443-21cat11:04:367
38934759994,4cyclictest4053630-21cat08:29:347
38934759994,4cyclictest3966022-21cat07:44:317
38934759994,4cyclictest3900973-21cut07:09:437
38934729998,1cyclictest0-21swapper/611:03:266
38934729998,1cyclictest0-21swapper/609:59:456
38934729998,1cyclictest0-21swapper/608:10:206
38934729998,1cyclictest0-21swapper/607:29:496
38934729997,2cyclictest86-21ksoftirqd/612:31:276
38934729997,2cyclictest86-21ksoftirqd/612:14:516
38934729997,2cyclictest86-21ksoftirqd/611:49:196
38934729997,2cyclictest86-21ksoftirqd/611:47:316
38934729997,2cyclictest86-21ksoftirqd/611:37:576
38934729997,2cyclictest86-21ksoftirqd/611:19:516
38934729997,2cyclictest86-21ksoftirqd/611:10:106
38934729997,2cyclictest86-21ksoftirqd/610:35:356
38934729997,2cyclictest86-21ksoftirqd/609:51:306
38934729997,2cyclictest86-21ksoftirqd/609:35:526
38934729997,1cyclictest0-21swapper/607:14:216
38934729990,8cyclictest232187-21chrt11:05:146
38934639998,1cyclictest0-21swapper/409:08:284
38934639998,1cyclictest0-21swapper/408:53:204
38934639998,1cyclictest0-21swapper/407:41:084
38934729987,1cyclictest0-21swapper/611:55:286
38934729986,2cyclictest86-21ksoftirqd/612:21:376
38934729986,2cyclictest86-21ksoftirqd/612:21:376
38934729986,2cyclictest86-21ksoftirqd/611:39:306
38934729986,2cyclictest86-21ksoftirqd/610:17:336
38934729986,2cyclictest86-21ksoftirqd/610:14:096
38934639987,1cyclictest0-21swapper/411:55:264
38934639987,1cyclictest0-21swapper/410:05:324
38934639987,1cyclictest0-21swapper/408:23:044
38934639987,1cyclictest0-21swapper/408:07:564
38934639986,2cyclictest359276-21kworker/u16:2+flush-8:012:19:154
38934639983,4cyclictest3899666-21cut07:09:424
38934639980,8cyclictest0-21swapper/412:24:274
38934639980,5cyclictest3945926-21turbostat07:34:194
38934729976,1cyclictest0-21swapper/609:00:286
38934729976,1cyclictest0-21swapper/607:50:476
38934729971,5cyclictest0-21swapper/610:52:026
38934729970,1cyclictest0-21swapper/608:29:486
38934729970,1cyclictest0-21swapper/607:34:416
38934639976,1cyclictest0-21swapper/411:24:224
38934639976,1cyclictest0-21swapper/410:40:424
38934639976,1cyclictest0-21swapper/409:44:254
38934639970,4cyclictest261336-21taskset11:19:394
38934729965,1cyclictest0-21swapper/608:29:206
38934729961,1cyclictest0-21swapper/608:34:446
38934639965,1cyclictest0-21swapper/411:49:454
38934639963,2cyclictest716172sleep410:00:384
38934639963,2cyclictest39937342sleep407:54:494
38934639963,2cyclictest3245902sleep411:44:404
38934639963,2cyclictest1559132sleep410:34:444
38934639960,5cyclictest147973-21turbostat10:34:194
38934639960,5cyclictest0-21swapper/410:45:054
38934639960,5cyclictest0-21swapper/408:39:204
38934639960,1cyclictest0-21swapper/411:10:574
38934639960,1cyclictest0-21swapper/411:01:234
38934639960,1cyclictest0-21swapper/410:18:194
38934639950,4cyclictest87433-21chrt10:09:344
38934639950,4cyclictest4053292-21chrt08:29:254
38934639950,4cyclictest3935932-21chrt07:24:594
38934639950,4cyclictest383617-21taskset12:09:324
38934639950,4cyclictest309031-21taskset11:39:264
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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