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2026-01-03 - 18:41
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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 the highest latencies:
System rackbslot6.osadl.org (updated Sat Jan 03, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1688221750,6sleep0853399cyclictest11:47:070
849621690,5sleep3855599cyclictest09:27:303
3112321680,4sleep1854099cyclictest12:00:371
2009621670,5sleep0853399cyclictest08:52:110
66921540,4sleep1854099cyclictest10:57:301
1028621420,3sleep3855599cyclictest11:39:233
1028621420,3sleep3855599cyclictest11:39:233
1068911210,8ptp4l18862-21kworker/3:007:17:553
84182705,10sleep00-21swapper/007:22:070
10662700,5sleep0853399cyclictest12:34:280
191652670,2sleep20-21swapper/211:16:302
110202630,1sleep20-21swapper/210:35:222
106891630,2ptp4l401ktimersoftd/311:55:483
83202604,10sleep20-21swapper/207:20:522
278892570,5sleep327891-21gltestperf09:47:303
106891570,1ptp4l401ktimersoftd/311:07:513
78272560,3sleep1854099cyclictest11:04:081
106891560,1ptp4l401ktimersoftd/310:22:033
106891560,1ptp4l401ktimersoftd/309:43:463
41342550,3sleep02096-21diskmemload11:32:420
41342550,3sleep02096-21diskmemload11:32:420
314932540,2sleep00-21swapper/009:12:380
275302530,1sleep10-21swapper/107:57:321
106891500,1ptp4l401ktimersoftd/312:47:143
8555994537,4cyclictest41-21ksoftirqd/310:42:183
106891450,1ptp4l401ktimersoftd/309:56:473
106891450,1ptp4l401ktimersoftd/309:56:473
106891440,1ptp4l401ktimersoftd/312:06:073
8555994337,3cyclictest41-21ksoftirqd/311:42:273
8555994134,4cyclictest41-21ksoftirqd/311:27:253
106891410,1ptp4l401ktimersoftd/310:47:233
106891410,1ptp4l401ktimersoftd/310:31:133
8555994034,3cyclictest41-21ksoftirqd/308:02:213
106891400,1ptp4l401ktimersoftd/312:29:323
106891400,1ptp4l401ktimersoftd/312:09:453
8555993933,3cyclictest41-21ksoftirqd/312:22:283
8540993912,6cyclictest32672-21sh09:52:251
8540993912,6cyclictest32672-21sh09:52:251
8533993927,6cyclictest9-21ksoftirqd/011:12:270
8555993832,3cyclictest41-21ksoftirqd/312:37:293
8555993831,4cyclictest41-21ksoftirqd/309:02:353
8533993827,6cyclictest9-21ksoftirqd/011:52:270
21002380,2sleep20-21swapper/209:53:072
21002380,2sleep20-21swapper/209:53:072
106891380,1ptp4l401ktimersoftd/312:34:283
106891380,1ptp4l401ktimersoftd/310:52:503
106891380,1ptp4l401ktimersoftd/310:13:583
106891380,1ptp4l401ktimersoftd/310:09:453
106891380,1ptp4l401ktimersoftd/310:07:023
106891380,1ptp4l401ktimersoftd/309:33:533
106891380,1ptp4l401ktimersoftd/308:07:263
106891380,1ptp4l401ktimersoftd/308:07:263
106891380,0ptp4l401ktimersoftd/312:16:453
8555993730,4cyclictest41-21ksoftirqd/307:57:213
8555993730,4cyclictest41-21ksoftirqd/307:52:213
8555993713,4cyclictest41-21ksoftirqd/308:42:273
106891370,1ptp4l401ktimersoftd/311:33:303
106891370,1ptp4l401ktimersoftd/311:33:303
106891370,1ptp4l401ktimersoftd/311:03:093
106891370,1ptp4l401ktimersoftd/310:33:433
106891370,1ptp4l401ktimersoftd/310:25:433
106891370,1ptp4l401ktimersoftd/309:39:593
106891370,1ptp4l401ktimersoftd/309:17:223
106891370,1ptp4l401ktimersoftd/308:17:373
106891370,0ptp4l401ktimersoftd/311:49:383
106891370,0ptp4l401ktimersoftd/310:38:083
8555993630,3cyclictest41-21ksoftirqd/308:32:223
8533993624,5cyclictest9-21ksoftirqd/009:27:230
106891360,1ptp4l401ktimersoftd/311:13:153
106891360,1ptp4l401ktimersoftd/308:47:383
106891360,0ptp4l401ktimersoftd/309:22:503
8555993529,3cyclictest41-21ksoftirqd/312:22:153
8555993529,3cyclictest41-21ksoftirqd/311:17:383
8546993529,3cyclictest33-21ksoftirqd/210:32:132
106891350,1ptp4l401ktimersoftd/311:22:353
106891350,1ptp4l401ktimersoftd/310:00:133
106891350,1ptp4l401ktimersoftd/310:00:133
8555993427,4cyclictest41-21ksoftirqd/308:12:223
8533993422,6cyclictest9-21ksoftirqd/011:07:270
44002340,2sleep10-21swapper/112:37:391
8555993327,3cyclictest41-21ksoftirqd/308:37:303
8555993326,4cyclictest41-21ksoftirqd/308:52:243
855599330,3cyclictest121rcu_preempt12:47:313
825123311,11sleep125-21ksoftirqd/107:19:581
106891330,2ptp4l32040-21kworker/3:012:00:573
97352320,3sleep10-21swapper/112:42:441
8555993225,4cyclictest41-21ksoftirqd/309:12:113
8555993223,5cyclictest41-21ksoftirqd/309:15:523
8546993228,3cyclictest33-21ksoftirqd/210:12:122
8546993227,3cyclictest33-21ksoftirqd/208:27:102
8533993226,3cyclictest9-21ksoftirqd/012:07:150
8533993226,3cyclictest9-21ksoftirqd/011:32:140
8533993223,6cyclictest9-21ksoftirqd/010:42:330
853399321,6cyclictest4564-21apt-get09:57:120
853399321,6cyclictest4564-21apt-get09:57:120
8555993125,3cyclictest41-21ksoftirqd/307:42:273
8546993126,3cyclictest33-21ksoftirqd/212:52:162
8546993126,3cyclictest33-21ksoftirqd/209:27:112
8546993125,3cyclictest33-21ksoftirqd/212:27:362
8546993119,10cyclictest33-21ksoftirqd/208:59:412
8533993126,3cyclictest9-21ksoftirqd/011:02:140
1326623124,3sleep09-21ksoftirqd/010:37:340
106891310,1ptp4l401ktimersoftd/308:30:253
106891310,0ptp4l401ktimersoftd/307:33:453
106891310,0ptp4l401ktimersoftd/307:23:033
8555993025,3cyclictest41-21ksoftirqd/307:52:093
8555993024,3cyclictest41-21ksoftirqd/308:57:393
854699303,3cyclictest121rcu_preempt11:49:232
8546993025,3cyclictest33-21ksoftirqd/212:37:352
8546993025,3cyclictest33-21ksoftirqd/210:42:142
8546993025,3cyclictest33-21ksoftirqd/208:42:112
8546993024,3cyclictest33-21ksoftirqd/210:02:122
8546993024,3cyclictest33-21ksoftirqd/210:02:122
8533993025,3cyclictest9-21ksoftirqd/011:22:130
8533993024,3cyclictest9-21ksoftirqd/011:52:140
8533993024,3cyclictest9-21ksoftirqd/010:27:300
106891300,1ptp4l401ktimersoftd/307:27:213
8555992923,3cyclictest41-21ksoftirqd/310:57:293
8546992924,3cyclictest33-21ksoftirqd/209:37:292
8546992924,3cyclictest33-21ksoftirqd/207:57:282
8546992923,3cyclictest33-21ksoftirqd/212:32:422
8546992923,3cyclictest33-21ksoftirqd/212:07:152
8546992923,3cyclictest33-21ksoftirqd/209:52:122
8546992923,3cyclictest33-21ksoftirqd/208:47:282
8546992922,4cyclictest33-21ksoftirqd/207:42:272
8546992919,3cyclictest33-21ksoftirqd/211:19:362
853399294,14cyclictest22646-21ssh10:47:230
8533992924,3cyclictest9-21ksoftirqd/010:02:120
8533992924,3cyclictest9-21ksoftirqd/010:02:120
8533992923,3cyclictest9-21ksoftirqd/012:17:160
853399291,25cyclictest3031-21cron08:17:090
8555992823,3cyclictest41-21ksoftirqd/308:22:403
8555992822,3cyclictest41-21ksoftirqd/307:37:263
8546992823,3cyclictest33-21ksoftirqd/210:22:322
8546992822,4cyclictest33-21ksoftirqd/207:22:222
8546992822,3cyclictest33-21ksoftirqd/212:07:162
8546992822,3cyclictest33-21ksoftirqd/209:47:122
8546992822,3cyclictest33-21ksoftirqd/209:12:292
8546992822,3cyclictest33-21ksoftirqd/208:52:302
8546992821,4cyclictest33-21ksoftirqd/211:01:282
8546992818,8cyclictest33-21ksoftirqd/210:07:112
853399284,13cyclictest15132-21ssh10:07:250
8533992823,3cyclictest9-21ksoftirqd/011:22:320
8533992823,3cyclictest9-21ksoftirqd/009:47:320
8533992818,5cyclictest9-21ksoftirqd/012:07:260
8533992814,4cyclictest9-21ksoftirqd/008:42:270
8546992723,3cyclictest33-21ksoftirqd/211:29:292
8546992722,3cyclictest33-21ksoftirqd/212:47:162
8546992722,3cyclictest33-21ksoftirqd/211:12:142
8546992722,3cyclictest33-21ksoftirqd/211:02:432
8546992722,3cyclictest33-21ksoftirqd/209:32:302
8546992722,3cyclictest33-21ksoftirqd/209:07:272
8546992722,3cyclictest33-21ksoftirqd/208:42:232
8546992722,3cyclictest32178-21latency_hist12:02:152
8546992721,3cyclictest33-21ksoftirqd/207:52:222
8546992720,4cyclictest33-21ksoftirqd/211:39:422
8546992720,4cyclictest33-21ksoftirqd/211:39:422
8546992713,11cyclictest33-21ksoftirqd/207:33:302
8540992720,4cyclictest25-21ksoftirqd/107:49:371
854099271,3cyclictest121rcu_preempt12:35:091
8533992722,3cyclictest9-21ksoftirqd/011:37:290
8533992722,3cyclictest9-21ksoftirqd/011:37:290
8533992722,3cyclictest9-21ksoftirqd/010:17:330
8533992722,3cyclictest9-21ksoftirqd/009:42:310
8533992722,3cyclictest9-21ksoftirqd/008:57:290
8533992722,3cyclictest9-21ksoftirqd/007:27:230
8533992721,3cyclictest9-21ksoftirqd/007:57:280
8546992622,3cyclictest33-21ksoftirqd/209:27:302
8546992621,3cyclictest33-21ksoftirqd/212:22:342
8546992621,3cyclictest33-21ksoftirqd/207:40:502
8546992621,3cyclictest33-21ksoftirqd/207:27:282
8546992620,3cyclictest33-21ksoftirqd/209:02:352
8546992619,4cyclictest33-21ksoftirqd/208:16:282
8546992618,4cyclictest15516-21sh12:17:202
8546992615,9cyclictest33-21ksoftirqd/211:52:292
8546992614,9cyclictest33-21ksoftirqd/210:51:002
8540992620,4cyclictest25-21ksoftirqd/107:56:391
8540992620,3cyclictest25-21ksoftirqd/109:35:231
8540992620,3cyclictest25-21ksoftirqd/107:27:531
8540992611,11cyclictest14985-21/usr/sbin/munin11:12:341
8533992621,3cyclictest9-21ksoftirqd/012:27:470
8533992621,3cyclictest9-21ksoftirqd/011:57:330
8533992621,3cyclictest9-21ksoftirqd/010:07:130
8533992620,3cyclictest9-21ksoftirqd/010:26:090
8533992620,3cyclictest9-21ksoftirqd/008:37:140
8533992620,3cyclictest9-21ksoftirqd/008:24:530
8533992619,4cyclictest9-21ksoftirqd/012:50:020
8533992619,4cyclictest9-21ksoftirqd/009:05:470
8533992619,4cyclictest9-21ksoftirqd/008:21:150
8546992521,3cyclictest33-21ksoftirqd/211:44:492
8546992519,3cyclictest33-21ksoftirqd/211:22:322
8546992518,6cyclictest33-21ksoftirqd/210:17:232
8546992518,4cyclictest33-21ksoftirqd/208:31:092
8546992518,4cyclictest33-21ksoftirqd/208:07:162
8546992518,4cyclictest33-21ksoftirqd/208:07:162
8546992518,4cyclictest33-21ksoftirqd/207:48:332
854099254,3cyclictest121rcu_preempt11:34:461
854099254,3cyclictest121rcu_preempt11:34:461
854099252,18cyclictest0-21swapper/111:37:251
854099252,18cyclictest0-21swapper/111:37:251
8540992520,3cyclictest25-21ksoftirqd/110:42:141
8540992519,3cyclictest25-21ksoftirqd/110:12:331
8540992518,4cyclictest25-21ksoftirqd/107:24:561
854099250,22cyclictest32545-21ssh10:23:451
8533992520,3cyclictest9-21ksoftirqd/012:17:350
8533992520,3cyclictest9-21ksoftirqd/011:02:450
8533992519,3cyclictest9-21ksoftirqd/010:32:350
8533992519,3cyclictest9-21ksoftirqd/008:55:280
8533992519,3cyclictest9-21ksoftirqd/008:30:190
8533992519,3cyclictest9-21ksoftirqd/008:02:280
8533992519,3cyclictest9-21ksoftirqd/007:54:160
8533992519,3cyclictest9-21ksoftirqd/007:44:260
8546992419,3cyclictest33-21ksoftirqd/208:17:282
8546992417,4cyclictest33-21ksoftirqd/208:34:302
854099246,4cyclictest2096-21diskmemload10:31:161
8540992419,3cyclictest25-21ksoftirqd/108:54:191
8540992418,4cyclictest25-21ksoftirqd/109:28:371
8540992418,4cyclictest25-21ksoftirqd/107:39:571
8540992418,3cyclictest25-21ksoftirqd/111:26:441
8540992418,3cyclictest25-21ksoftirqd/108:25:001
8540992418,3cyclictest25-21ksoftirqd/107:35:501
853399244,3cyclictest121rcu_preempt12:40:490
853399242,3cyclictest121rcu_preempt12:22:210
8533992419,3cyclictest9-21ksoftirqd/010:52:310
8533992419,3cyclictest9-21ksoftirqd/009:32:330
8533992418,3cyclictest9-21ksoftirqd/009:07:300
8533992418,3cyclictest9-21ksoftirqd/007:23:020
8546992318,3cyclictest33-21ksoftirqd/212:17:162
8546992318,3cyclictest33-21ksoftirqd/208:02:262
8546992316,4cyclictest33-21ksoftirqd/209:20:272
8540992317,3cyclictest25-21ksoftirqd/112:21:531
8540992317,3cyclictest25-21ksoftirqd/111:32:091
8540992317,3cyclictest25-21ksoftirqd/109:03:351
8540992317,3cyclictest1916-21grep12:02:451
8540992316,4cyclictest25-21ksoftirqd/111:21:391
8540992316,4cyclictest25-21ksoftirqd/108:40:111
8540992316,4cyclictest14219-21timerwakeupswit10:37:441
854099231,19cyclictest0-21swapper/109:42:241
8533992318,3cyclictest9-21ksoftirqd/012:42:380
8533992318,3cyclictest9-21ksoftirqd/009:37:290
8533992318,3cyclictest30955-1kworker/u9:009:26:550
8533992316,4cyclictest9-21ksoftirqd/009:18:360
8546992217,3cyclictest33-21ksoftirqd/210:14:352
8540992217,3cyclictest25-21ksoftirqd/108:58:301
8540992216,3cyclictest25-21ksoftirqd/109:22:061
8540992216,3cyclictest25-21ksoftirqd/107:45:261
8540992215,4cyclictest25272-21grep10:17:271
8540992213,5cyclictest25616-21/usr/sbin/munin12:27:411
853399229,6cyclictest9-21ksoftirqd/007:32:210
8533992216,3cyclictest9-21ksoftirqd/008:32:190
8533992212,5cyclictest0-21swapper/008:07:230
8533992212,5cyclictest0-21swapper/008:07:230
854099212,13cyclictest47050irq/101-ens3-Tx10:32:251
8540992116,3cyclictest25-21ksoftirqd/109:16:481
8540992116,2cyclictest0-21swapper/110:00:451
8540992116,2cyclictest0-21swapper/110:00:451
8540992115,3cyclictest12335-21/usr/sbin/munin11:42:431
8540992115,3cyclictest0-21swapper/110:06:331
854099210,19cyclictest6198-21rm09:25:441
8533992116,3cyclictest9-21ksoftirqd/007:37:290
8533992115,3cyclictest9-21ksoftirqd/010:17:120
8533992114,4cyclictest9-21ksoftirqd/007:48:430
854699201,8cyclictest0-21swapper/210:53:522
8546992015,3cyclictest33-21ksoftirqd/211:32:242
8546992015,3cyclictest33-21ksoftirqd/211:32:242
8546992013,4cyclictest17979-21df10:42:282
8540992016,2cyclictest0-21swapper/110:48:501
8540992016,2cyclictest0-21swapper/108:08:181
8540992016,2cyclictest0-21swapper/108:08:181
8540992015,3cyclictest25-21ksoftirqd/111:52:021
8540992014,4cyclictest27330-21/usr/sbin/munin09:47:291
8540992014,4cyclictest25-21ksoftirqd/108:04:021
8540992013,4cyclictest27408-21/usr/sbin/munin09:07:321
8540992013,4cyclictest25-21ksoftirqd/108:34:171
8540992013,4cyclictest19220-21sh10:11:271
854099201,17cyclictest20567-21ssh12:22:281
854099201,16cyclictest0-21swapper/108:45:511
854099200,18cyclictest0-21swapper/108:17:381
854099200,17cyclictest31371-21ssh10:55:521
854099200,17cyclictest2096-21diskmemload12:48:211
8540991914,3cyclictest25-21ksoftirqd/108:15:181
8540991914,3cyclictest13233-21sh12:14:151
8540991913,3cyclictest7472-21sh12:08:191
8540991913,3cyclictest25-21ksoftirqd/108:48:531
8540991913,3cyclictest12872-21seq11:09:171
854099191,16cyclictest8078-21apt-get08:27:231
854099186,9cyclictest0-21swapper/111:57:051
8540991812,3cyclictest17796-21fschecks_count09:37:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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