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2026-01-04 - 16:25
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Sun Jan 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2139421830,5sleep31105599cyclictest10:43:083
998921640,4sleep01104199cyclictest09:27:570
106891990,3ptp4l401ktimersoftd/307:18:523
148662880,3sleep11104599cyclictest09:32:481
11041998369,7cyclictest9-21ksoftirqd/011:03:000
11041997257,8cyclictest9-21ksoftirqd/010:27:590
11041997257,8cyclictest9-21ksoftirqd/010:27:590
106891710,1ptp4l401ktimersoftd/311:54:003
9092690,4sleep1911-21gltestperf10:23:031
106891690,1ptp4l401ktimersoftd/310:55:463
259922680,2sleep00-21swapper/007:52:430
11041996755,6cyclictest9-21ksoftirqd/012:03:000
106891650,7ptp4l401ktimersoftd/310:59:413
171242620,4sleep31105599cyclictest11:43:103
11041996248,6cyclictest9-21ksoftirqd/011:58:020
108372624,9sleep00-21swapper/007:21:240
106891620,9ptp4l401ktimersoftd/307:24:303
95102610,2sleep30-21swapper/309:58:163
77502600,2sleep10-21swapper/108:22:431
231432600,1sleep20-21swapper/211:17:562
153212600,1sleep30-21swapper/312:47:103
207072590,4sleep11104599cyclictest10:09:581
11041995951,4cyclictest9-21ksoftirqd/012:18:020
106891590,1ptp4l401ktimersoftd/307:33:103
301342580,2sleep10-21swapper/112:28:211
11041995846,5cyclictest9-21ksoftirqd/012:28:050
11041995846,5cyclictest9-21ksoftirqd/007:37:540
11041995845,7cyclictest9-21ksoftirqd/012:08:040
11041995845,7cyclictest9-21ksoftirqd/012:08:040
11041995845,5cyclictest9-21ksoftirqd/011:38:000
106891580,1ptp4l401ktimersoftd/312:07:343
106891580,1ptp4l401ktimersoftd/309:38:443
11041995745,6cyclictest9-21ksoftirqd/011:23:000
11041995643,7cyclictest9-21ksoftirqd/010:47:590
106891560,1ptp4l401ktimersoftd/309:30:303
106891560,1ptp4l401ktimersoftd/309:22:383
11041995545,5cyclictest9-21ksoftirqd/008:17:550
106891550,9ptp4l401ktimersoftd/312:48:543
106891550,1ptp4l401ktimersoftd/309:50:593
11041995441,6cyclictest9-21ksoftirqd/009:02:560
106891540,1ptp4l401ktimersoftd/311:27:463
106891530,1ptp4l401ktimersoftd/311:22:253
135062520,2sleep20-21swapper/210:03:042
889425128,11sleep233-21ksoftirqd/207:17:552
188012510,2sleep30-21swapper/312:18:033
11041994937,6cyclictest9-21ksoftirqd/007:27:550
60062470,1sleep30-21swapper/309:55:313
300702470,3sleep20-21swapper/210:18:542
11041994733,5cyclictest9-21ksoftirqd/010:13:000
106891460,1ptp4l401ktimersoftd/310:09:373
11051994537,4cyclictest33-21ksoftirqd/208:12:552
106891450,1ptp4l401ktimersoftd/312:34:133
106891450,0ptp4l401ktimersoftd/311:07:573
11051994437,3cyclictest33-21ksoftirqd/208:37:562
11051994437,3cyclictest33-21ksoftirqd/208:37:562
11041994232,5cyclictest9-21ksoftirqd/009:42:590
11041994231,5cyclictest9-21ksoftirqd/009:47:590
11041994128,7cyclictest9-21ksoftirqd/009:12:580
11041994029,6cyclictest9-21ksoftirqd/011:17:590
11051993931,4cyclictest33-21ksoftirqd/210:07:572
11041993927,6cyclictest9-21ksoftirqd/009:52:580
106891390,1ptp4l401ktimersoftd/312:16:413
106891390,1ptp4l401ktimersoftd/312:16:413
106891390,1ptp4l401ktimersoftd/309:47:463
11051993831,4cyclictest33-21ksoftirqd/208:47:552
11041993832,3cyclictest9-21ksoftirqd/008:37:480
11041993832,3cyclictest9-21ksoftirqd/008:37:480
106891380,2ptp4l1852-21kworker/3:209:33:073
106891380,1ptp4l401ktimersoftd/311:34:263
106891380,1ptp4l401ktimersoftd/310:14:163
106891380,0ptp4l401ktimersoftd/310:49:183
11041993731,3cyclictest9-21ksoftirqd/012:52:490
11041993731,3cyclictest9-21ksoftirqd/010:12:450
11041993728,4cyclictest9-21ksoftirqd/009:32:570
106891370,1ptp4l401ktimersoftd/312:30:243
106891370,1ptp4l401ktimersoftd/311:48:433
106891370,1ptp4l401ktimersoftd/311:42:413
106891370,1ptp4l401ktimersoftd/311:14:553
106891370,1ptp4l401ktimersoftd/311:03:593
106891370,1ptp4l401ktimersoftd/310:39:493
106891370,1ptp4l401ktimersoftd/310:29:093
106891370,1ptp4l401ktimersoftd/310:29:093
106891370,1ptp4l401ktimersoftd/310:27:123
106891370,1ptp4l401ktimersoftd/309:24:413
11051993628,4cyclictest33-21ksoftirqd/210:33:002
11051993628,4cyclictest33-21ksoftirqd/208:52:542
11041993625,9cyclictest9-21ksoftirqd/009:23:140
106891360,1ptp4l401ktimersoftd/312:24:103
106891360,1ptp4l401ktimersoftd/310:35:333
106891360,1ptp4l401ktimersoftd/308:43:063
106891360,0ptp4l401ktimersoftd/312:08:503
106891360,0ptp4l401ktimersoftd/312:08:503
11051993530,3cyclictest33-21ksoftirqd/209:27:452
11051993522,10cyclictest33-21ksoftirqd/210:28:172
11051993522,10cyclictest33-21ksoftirqd/210:28:172
11045993516,10cyclictest814-21rm11:27:591
11041993530,3cyclictest9-21ksoftirqd/008:57:440
11041993530,2cyclictest9-21ksoftirqd/010:33:010
11041993529,3cyclictest9-21ksoftirqd/008:37:440
11041993529,3cyclictest9-21ksoftirqd/008:37:440
11041993510,3cyclictest9-21ksoftirqd/009:58:050
106891350,2ptp4l5435-21kworker/3:012:02:443
106891350,1ptp4l401ktimersoftd/310:04:133
11051993428,4cyclictest33-21ksoftirqd/211:43:072
11051993426,4cyclictest33-21ksoftirqd/207:42:522
11041993411,3cyclictest9-21ksoftirqd/010:37:570
106891340,2ptp4l17202-21kworker/3:108:19:573
106891340,2ptp4l10547-21kworker/3:009:05:333
280232330,3sleep11104599cyclictest10:49:331
11051993326,3cyclictest33-21ksoftirqd/211:12:472
11051993325,4cyclictest33-21ksoftirqd/209:17:582
11051993312,14cyclictest33-21ksoftirqd/212:43:102
11041993327,3cyclictest9-21ksoftirqd/011:52:470
11041993327,3cyclictest9-21ksoftirqd/011:12:470
11041993327,3cyclictest9-21ksoftirqd/008:12:420
106891330,2ptp4l17202-21kworker/3:108:23:113
106891330,2ptp4l17202-21kworker/3:108:15:103
106891330,2ptp4l10547-21kworker/3:008:38:263
106891330,2ptp4l10547-21kworker/3:008:38:263
106891330,1ptp4l401ktimersoftd/312:40:523
11051993227,3cyclictest33-21ksoftirqd/211:13:082
11041993227,3cyclictest9-21ksoftirqd/011:17:480
11041993226,3cyclictest9-21ksoftirqd/011:37:480
11041993226,3cyclictest9-21ksoftirqd/010:53:010
106891320,1ptp4l401ktimersoftd/311:28:473
106891320,1ptp4l401ktimersoftd/310:21:433
120212310,2sleep20-21swapper/208:28:142
11051993125,4cyclictest33-21ksoftirqd/212:33:072
11051993125,3cyclictest33-21ksoftirqd/210:22:592
11041993126,3cyclictest9-21ksoftirqd/012:47:500
11041993126,3cyclictest9-21ksoftirqd/012:38:050
11041993126,3cyclictest9-21ksoftirqd/011:43:020
11041993126,3cyclictest9-21ksoftirqd/010:47:460
11041993125,4cyclictest9-21ksoftirqd/008:12:560
11041993125,3cyclictest9-21ksoftirqd/012:33:020
11041993125,3cyclictest9-21ksoftirqd/012:13:030
11041993125,3cyclictest9-21ksoftirqd/012:13:030
11041993125,3cyclictest9-21ksoftirqd/010:27:460
11041993125,3cyclictest9-21ksoftirqd/010:18:020
11041993125,3cyclictest9-21ksoftirqd/009:42:450
11041993125,3cyclictest9-21ksoftirqd/007:27:420
11041993119,10cyclictest9-21ksoftirqd/008:02:430
106891310,10ptp4l401ktimersoftd/307:50:293
102372316,12sleep10-21swapper/107:18:101
11051993025,3cyclictest33-21ksoftirqd/208:27:432
11051993024,4cyclictest33-21ksoftirqd/211:52:482
11051993024,3cyclictest33-21ksoftirqd/209:58:142
1104199306,4cyclictest9-21ksoftirqd/009:08:020
11041993024,3cyclictest9-21ksoftirqd/012:27:490
11041993024,3cyclictest9-21ksoftirqd/011:57:480
11041993024,3cyclictest9-21ksoftirqd/010:57:590
11041993024,3cyclictest9-21ksoftirqd/008:28:040
11041993024,3cyclictest9-21ksoftirqd/007:57:430
11041993020,8cyclictest9-21ksoftirqd/011:28:110
106891300,1ptp4l401ktimersoftd/307:57:403
11051992924,3cyclictest33-21ksoftirqd/212:07:482
11051992924,3cyclictest33-21ksoftirqd/208:58:042
11051992923,3cyclictest33-21ksoftirqd/209:07:492
11051992919,8cyclictest33-21ksoftirqd/209:47:002
11051992914,12cyclictest33-21ksoftirqd/209:17:452
11051992910,9cyclictest33-21ksoftirqd/212:13:022
11051992910,9cyclictest33-21ksoftirqd/212:13:022
1104599290,2cyclictest121rcu_preempt10:42:171
11041992923,3cyclictest9-21ksoftirqd/008:52:440
11041992923,3cyclictest9-21ksoftirqd/007:42:570
106891290,0ptp4l401ktimersoftd/309:12:403
74372280,4sleep11104599cyclictest12:06:451
188492280,2sleep20-21swapper/210:40:502
11051992824,3cyclictest33-21ksoftirqd/209:42:462
11051992823,3cyclictest33-21ksoftirqd/209:28:012
11051992823,3cyclictest33-21ksoftirqd/207:28:022
11051992822,3cyclictest33-21ksoftirqd/212:32:492
11051992822,3cyclictest33-21ksoftirqd/211:27:482
11051992822,3cyclictest33-21ksoftirqd/208:37:432
11051992822,3cyclictest33-21ksoftirqd/208:37:432
1105199281,9cyclictest25140-21mailstats07:48:062
11051992819,5cyclictest33-21ksoftirqd/208:08:002
11041992823,3cyclictest9-21ksoftirqd/010:07:450
11041992823,3cyclictest9-21ksoftirqd/008:43:020
11041992822,3cyclictest9-21ksoftirqd/008:22:560
11051992722,3cyclictest33-21ksoftirqd/211:58:192
11051992722,3cyclictest33-21ksoftirqd/211:02:472
11051992722,3cyclictest33-21ksoftirqd/210:52:472
11051992722,3cyclictest33-21ksoftirqd/209:48:002
11051992722,3cyclictest33-21ksoftirqd/209:32:592
11051992722,3cyclictest33-21ksoftirqd/207:23:062
11051992721,3cyclictest33-21ksoftirqd/212:38:002
11051992721,3cyclictest33-21ksoftirqd/212:22:492
11051992720,4cyclictest33-21ksoftirqd/207:56:022
1105199270,3cyclictest121rcu_preempt07:58:132
1104199272,4cyclictest9-21ksoftirqd/008:03:060
11041992722,3cyclictest9-21ksoftirqd/008:58:040
11041992721,3cyclictest9-21ksoftirqd/009:22:450
11041992721,3cyclictest9-21ksoftirqd/007:32:560
106891270,1ptp4l401ktimersoftd/308:52:563
106891270,10ptp4l401ktimersoftd/308:04:393
106891270,0ptp4l401ktimersoftd/308:35:223
106891270,0ptp4l401ktimersoftd/308:35:223
11055992621,3cyclictest41-21ksoftirqd/308:02:433
11055992619,4cyclictest41-21ksoftirqd/309:14:523
11051992621,3cyclictest33-21ksoftirqd/210:43:102
11051992621,3cyclictest33-21ksoftirqd/208:03:002
11051992620,3cyclictest33-21ksoftirqd/212:23:172
11051992619,3cyclictest33-21ksoftirqd/212:12:482
11051992619,3cyclictest33-21ksoftirqd/212:12:482
11051992610,14cyclictest33-21ksoftirqd/211:39:462
11045992621,3cyclictest25-21ksoftirqd/111:08:001
11045992620,3cyclictest25-21ksoftirqd/109:14:191
11045992620,3cyclictest25-21ksoftirqd/107:32:541
106891260,11ptp4l401ktimersoftd/307:31:283
106891260,0ptp4l401ktimersoftd/308:48:373
11055992520,3cyclictest41-21ksoftirqd/308:08:413
11055992519,3cyclictest41-21ksoftirqd/309:00:113
11051992520,3cyclictest33-21ksoftirqd/211:03:022
11051992519,4cyclictest33-21ksoftirqd/207:34:422
11051992519,3cyclictest33-21ksoftirqd/212:48:062
11051992519,3cyclictest33-21ksoftirqd/210:52:592
11051992519,3cyclictest33-21ksoftirqd/210:13:002
11051992519,3cyclictest33-21ksoftirqd/209:07:442
11051992519,3cyclictest33-21ksoftirqd/208:42:592
11051992515,8cyclictest33-21ksoftirqd/207:38:012
11045992520,3cyclictest548-21cron08:07:421
11045992520,3cyclictest25-21ksoftirqd/110:54:361
11045992520,3cyclictest25-21ksoftirqd/109:53:161
11045992519,3cyclictest25-21ksoftirqd/109:21:551
11045992519,3cyclictest25-21ksoftirqd/108:12:541
11045992519,3cyclictest25-21ksoftirqd/107:37:521
11045992518,4cyclictest25-21ksoftirqd/110:37:401
11045992518,4cyclictest25-21ksoftirqd/109:06:101
11045992518,4cyclictest25-21ksoftirqd/108:12:231
11045992518,4cyclictest25-21ksoftirqd/107:59:141
299192240,2sleep10-21swapper/109:07:481
11051992419,3cyclictest33-21ksoftirqd/211:53:022
11051992419,3cyclictest33-21ksoftirqd/211:28:002
11051992419,3cyclictest33-21ksoftirqd/208:22:432
11051992418,3cyclictest33-21ksoftirqd/209:57:062
11051992417,4cyclictest33-21ksoftirqd/211:34:522
11045992418,3cyclictest25-21ksoftirqd/108:52:191
11045992418,3cyclictest25-21ksoftirqd/107:43:081
106891240,1ptp4l401ktimersoftd/307:42:533
1104599232,11cyclictest6129-21ssh12:38:011
11045992318,3cyclictest25-21ksoftirqd/108:41:531
11045992318,3cyclictest25-21ksoftirqd/108:41:531
11045992314,5cyclictest1055-21runrttasks07:47:551
106891230,1ptp4l401ktimersoftd/308:27:573
106891230,1ptp4l401ktimersoftd/307:37:563
1104599224,5cyclictest1055-21runrttasks11:55:491
11045992217,3cyclictest25-21ksoftirqd/108:58:401
11045992216,3cyclictest25-21ksoftirqd/108:37:381
11045992216,3cyclictest25-21ksoftirqd/108:37:381
11045992215,5cyclictest12946-21grep07:23:121
1104599221,18cyclictest30942-21apt-get11:58:011
1104599221,18cyclictest28997-21ssh09:46:341
1104599212,12cyclictest64-21kswapd011:48:001
11045992116,3cyclictest25315-21ssh10:14:181
11045992116,3cyclictest25-21ksoftirqd/111:34:571
11045992116,3cyclictest25-21ksoftirqd/109:28:111
11045992115,4cyclictest25-21ksoftirqd/108:26:441
11045992115,4cyclictest21284-21phc2sys09:38:091
11045992115,3cyclictest31591-21sh10:21:251
11045992115,3cyclictest25-21ksoftirqd/108:30:211
11045992114,4cyclictest25-21ksoftirqd/107:55:371
1104599211,17cyclictest24030-21snmp_o5powerctl08:53:081
1104599211,17cyclictest13987-21ssh11:40:201
11045992015,3cyclictest25-21ksoftirqd/110:04:241
11045992014,4cyclictest25-21ksoftirqd/107:31:441
11045992014,3cyclictest24582-21sh12:23:081
11045992014,3cyclictest11083-21acpi12:43:021
1104599201,3cyclictest5974-21ssh11:00:071
11045992012,5cyclictest17004-21irqrtprio12:48:091
11045992012,4cyclictest9579-21basename09:27:451
11045992012,4cyclictest8435-21/usr/sbin/munin12:08:131
11045992012,4cyclictest8435-21/usr/sbin/munin12:08:131
1104599201,17cyclictest9530-21ssh10:31:591
1104599201,17cyclictest9530-21ssh10:31:591
1104599201,16cyclictest917-21ssh09:50:301
1104599201,16cyclictest4039-21ssh12:35:041
1104599201,16cyclictest23255-21apt-get11:18:001
1104599201,16cyclictest0-21swapper/110:01:141
1104599200,18cyclictest24427-21ssh10:46:511
1104599200,17cyclictest0-21swapper/111:05:441
11045991914,3cyclictest19103-21ssh11:45:321
11045991913,3cyclictest13539-21sh12:13:021
11045991913,3cyclictest13539-21sh12:13:021
11045991912,4cyclictest18446-21cat11:13:031
11045991912,4cyclictest17862-21/usr/sbin/munin08:42:541
1104599191,16cyclictest21225-21ssh12:19:411
1104599190,17cyclictest0-21swapper/111:25:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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