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2026-07-19 - 18:54
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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 Sun Jul 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911630,5ptp4l401ktimersoftd/309:06:473
20282700,1sleep00-21swapper/009:16:280
106891690,1ptp4l401ktimersoftd/314:27:013
106891620,1ptp4l401ktimersoftd/314:01:423
316562610,2sleep30-21swapper/311:51:243
50192600,2sleep20-21swapper/211:24:172
106891600,1ptp4l401ktimersoftd/310:11:373
306382590,2sleep10-21swapper/111:16:411
300312594,10sleep20-21swapper/209:10:092
294042594,41sleep00-21swapper/009:06:350
106891560,1ptp4l401ktimersoftd/314:10:303
106891560,1ptp4l401ktimersoftd/311:38:183
25962520,1sleep00-21swapper/014:06:310
30231995042,5cyclictest25-21ksoftirqd/110:06:241
30231994839,5cyclictest25-21ksoftirqd/110:36:221
30231994824,5cyclictest25-21ksoftirqd/112:46:441
30231994818,9cyclictest25-21ksoftirqd/113:31:321
106891480,2ptp4l12018-21kworker/3:212:35:223
106891480,1ptp4l401ktimersoftd/312:18:573
3023199474,5cyclictest25-21ksoftirqd/114:11:161
30231994717,7cyclictest25-21ksoftirqd/113:26:451
106891470,1ptp4l401ktimersoftd/311:59:273
30231994631,3cyclictest25-21ksoftirqd/109:51:331
297542460,2sleep20-21swapper/214:33:472
106891460,1ptp4l401ktimersoftd/311:20:303
30231994521,4cyclictest25-21ksoftirqd/113:36:291
30231994521,4cyclictest25-21ksoftirqd/111:46:251
30231994520,4cyclictest25-21ksoftirqd/114:41:161
30231994520,4cyclictest25-21ksoftirqd/114:01:311
106891450,1ptp4l401ktimersoftd/310:21:243
30231994438,3cyclictest25-21ksoftirqd/111:11:161
30231994421,4cyclictest25-21ksoftirqd/111:44:291
30231994421,4cyclictest25-21ksoftirqd/111:01:341
3023199441,7cyclictest26232-21ssh14:31:161
3023199435,6cyclictest25-21ksoftirqd/113:46:451
3023199431,3cyclictest121rcu_preempt14:11:311
30231994234,4cyclictest25-21ksoftirqd/109:31:131
30231994234,4cyclictest25-21ksoftirqd/109:31:131
30231994220,4cyclictest25-21ksoftirqd/109:36:301
30231994218,4cyclictest25-21ksoftirqd/112:27:101
106891420,1ptp4l401ktimersoftd/312:52:153
30231994129,10cyclictest25-21ksoftirqd/113:01:141
30231994129,10cyclictest25-21ksoftirqd/113:01:141
3023199412,3cyclictest25-21ksoftirqd/112:42:381
30231994121,7cyclictest25-21ksoftirqd/112:16:251
30231994118,4cyclictest25-21ksoftirqd/113:53:451
30231994112,5cyclictest25-21ksoftirqd/113:26:151
106891410,1ptp4l401ktimersoftd/312:25:383
30231994030,7cyclictest25-21ksoftirqd/111:21:371
30231994025,12cyclictest25-21ksoftirqd/112:36:311
30231994018,3cyclictest25-21ksoftirqd/113:01:301
30231994018,3cyclictest25-21ksoftirqd/113:01:301
30231994017,4cyclictest25-21ksoftirqd/114:34:431
30231994016,4cyclictest25-21ksoftirqd/111:36:441
30231994016,4cyclictest25-21ksoftirqd/110:01:281
3023199401,3cyclictest19314-21/usr/sbin/munin12:11:301
30231994012,7cyclictest25-21ksoftirqd/113:41:351
30231994012,4cyclictest25-21ksoftirqd/113:56:381
30231994011,4cyclictest25-21ksoftirqd/113:11:261
106891400,1ptp4l401ktimersoftd/309:51:223
3023199396,8cyclictest25-21ksoftirqd/110:56:111
3023199395,6cyclictest25-21ksoftirqd/111:51:141
3023199394,6cyclictest25-21ksoftirqd/110:26:111
3023199394,3cyclictest25-21ksoftirqd/110:46:241
30231993920,9cyclictest25-21ksoftirqd/109:46:331
30231993919,8cyclictest25-21ksoftirqd/109:16:241
30231993918,9cyclictest25-21ksoftirqd/113:16:231
30231993917,4cyclictest25-21ksoftirqd/110:26:251
30231993916,4cyclictest25-21ksoftirqd/113:10:581
30231993915,3cyclictest25-21ksoftirqd/114:21:151
30231993912,5cyclictest25-21ksoftirqd/109:21:261
30231993911,5cyclictest25-21ksoftirqd/112:01:421
106891390,1ptp4l401ktimersoftd/313:54:283
106891390,1ptp4l401ktimersoftd/313:04:023
106891390,1ptp4l401ktimersoftd/313:04:023
106891390,1ptp4l401ktimersoftd/312:46:103
106891390,1ptp4l401ktimersoftd/311:31:333
106891390,1ptp4l401ktimersoftd/310:56:423
30231993829,3cyclictest25-21ksoftirqd/111:27:491
3023199382,7cyclictest25-21ksoftirqd/112:06:311
30231993827,9cyclictest25-21ksoftirqd/112:31:421
30231993818,7cyclictest25-21ksoftirqd/111:01:111
30231993815,4cyclictest25-21ksoftirqd/109:41:261
106891380,1ptp4l401ktimersoftd/314:21:193
106891380,1ptp4l401ktimersoftd/313:56:233
106891380,1ptp4l401ktimersoftd/313:49:553
106891380,1ptp4l401ktimersoftd/313:44:483
106891380,1ptp4l401ktimersoftd/313:35:253
106891380,1ptp4l401ktimersoftd/313:26:593
106891380,1ptp4l401ktimersoftd/313:17:583
106891380,1ptp4l401ktimersoftd/312:26:373
106891380,1ptp4l401ktimersoftd/312:11:223
106891380,1ptp4l401ktimersoftd/312:06:153
106891380,1ptp4l401ktimersoftd/311:42:193
106891380,1ptp4l401ktimersoftd/311:12:183
106891380,0ptp4l401ktimersoftd/313:09:143
3023199375,7cyclictest25-21ksoftirqd/114:21:341
30231993731,3cyclictest25-21ksoftirqd/111:36:121
30231993729,4cyclictest22533-21cron10:01:101
30231993725,3cyclictest25-21ksoftirqd/109:11:371
30231993715,9cyclictest25-21ksoftirqd/112:52:081
30231993714,4cyclictest25-21ksoftirqd/111:56:371
30231993714,4cyclictest25-21ksoftirqd/110:16:261
30231993712,8cyclictest25-21ksoftirqd/110:11:321
106891370,1ptp4l401ktimersoftd/314:12:393
106891370,1ptp4l401ktimersoftd/313:41:063
106891370,1ptp4l401ktimersoftd/313:21:513
106891370,1ptp4l401ktimersoftd/313:14:253
106891370,1ptp4l401ktimersoftd/312:47:133
106891370,1ptp4l401ktimersoftd/312:39:173
106891370,0ptp4l401ktimersoftd/312:05:203
106891370,0ptp4l401ktimersoftd/311:28:433
3023199364,7cyclictest25-21ksoftirqd/109:26:221
30231993630,3cyclictest25-21ksoftirqd/111:11:111
30231993630,3cyclictest25-21ksoftirqd/111:11:111
30231993612,9cyclictest25-21ksoftirqd/110:36:111
30224993625,6cyclictest9-21ksoftirqd/013:11:250
106891360,1ptp4l401ktimersoftd/314:20:323
106891360,1ptp4l401ktimersoftd/309:21:153
3023199359,9cyclictest25-21ksoftirqd/110:41:261
30231993530,3cyclictest25-21ksoftirqd/109:11:081
106891350,0ptp4l401ktimersoftd/311:50:403
30237993420,8cyclictest33-21ksoftirqd/210:46:232
30237993417,7cyclictest33-21ksoftirqd/214:16:282
30231993428,3cyclictest25-21ksoftirqd/112:21:321
30224993425,6cyclictest9-21ksoftirqd/013:21:340
30224993422,6cyclictest9-21ksoftirqd/012:01:250
106891340,1ptp4l401ktimersoftd/314:37:233
106891340,1ptp4l401ktimersoftd/311:25:023
106891330,1ptp4l401ktimersoftd/314:34:373
106891330,1ptp4l401ktimersoftd/313:01:073
106891330,1ptp4l401ktimersoftd/313:01:073
106891330,1ptp4l371-21kworker/3:110:17:403
30237993225,4cyclictest16218-21cron10:56:102
298302320,3sleep229825-21ssh12:21:342
106891320,1ptp4l401ktimersoftd/310:44:033
106891320,1ptp4l401ktimersoftd/310:38:113
106891320,1ptp4l401ktimersoftd/309:48:393
106891320,1ptp4l401ktimersoftd/309:27:043
106891320,10ptp4l401ktimersoftd/310:34:043
30237993125,3cyclictest33-21ksoftirqd/211:51:132
30237993122,6cyclictest33-21ksoftirqd/209:41:092
106891310,1ptp4l401ktimersoftd/310:56:053
106891310,1ptp4l401ktimersoftd/310:30:313
30237993024,4cyclictest33-21ksoftirqd/213:26:342
30237993024,3cyclictest33-21ksoftirqd/211:16:252
3022499304,5cyclictest19449-1kworker/u9:212:53:280
3022499303,3cyclictest121rcu_preempt12:50:020
30224993025,3cyclictest27405-1kworker/u9:113:28:060
30224993024,3cyclictest9-21ksoftirqd/011:51:130
106891300,1ptp4l401ktimersoftd/309:42:583
106891300,0ptp4l401ktimersoftd/310:06:173
106891300,0ptp4l401ktimersoftd/310:03:463
30237992924,3cyclictest33-21ksoftirqd/213:41:152
30224992923,3cyclictest9-21ksoftirqd/010:51:250
30224992823,3cyclictest9-21ksoftirqd/014:26:460
30224992823,3cyclictest9-21ksoftirqd/011:36:270
30224992823,3cyclictest9-21ksoftirqd/011:36:120
106891280,1ptp4l401ktimersoftd/310:00:593
30237992722,3cyclictest33-21ksoftirqd/211:51:312
30237992722,3cyclictest33-21ksoftirqd/209:16:282
30237992722,3cyclictest33-21ksoftirqd/209:16:082
30237992721,4cyclictest33-21ksoftirqd/211:36:152
30237992721,3cyclictest33-21ksoftirqd/214:05:372
30237992720,5cyclictest33-21ksoftirqd/214:09:272
30224992722,3cyclictest9-21ksoftirqd/014:21:270
30224992722,3cyclictest9-21ksoftirqd/014:01:160
30224992722,3cyclictest9-21ksoftirqd/012:31:330
30224992721,3cyclictest9-21ksoftirqd/013:31:340
30224992721,3cyclictest9-21ksoftirqd/013:16:150
30224992721,3cyclictest9-21ksoftirqd/012:11:140
30224992721,3cyclictest9-21ksoftirqd/010:41:310
30224992721,3cyclictest3261-21cstates13:01:260
30224992721,3cyclictest3261-21cstates13:01:260
106891270,1ptp4l401ktimersoftd/311:01:483
106891270,1ptp4l401ktimersoftd/309:20:163
106891270,11ptp4l401ktimersoftd/309:35:183
106891270,11ptp4l401ktimersoftd/309:35:183
3023799267,9cyclictest33-21ksoftirqd/212:37:242
30237992621,3cyclictest33-21ksoftirqd/212:21:132
30237992621,3cyclictest33-21ksoftirqd/210:16:322
30237992620,3cyclictest33-21ksoftirqd/214:01:162
30237992620,3cyclictest33-21ksoftirqd/213:41:302
30237992620,3cyclictest33-21ksoftirqd/212:51:272
30237992619,4cyclictest33-21ksoftirqd/211:05:462
3022499267,16cyclictest19571-21sed12:11:310
30224992621,3cyclictest9-21ksoftirqd/014:31:340
30224992621,3cyclictest9-21ksoftirqd/014:01:280
30224992621,3cyclictest9-21ksoftirqd/013:00:230
30224992621,3cyclictest9-21ksoftirqd/013:00:230
30224992621,3cyclictest9-21ksoftirqd/012:41:410
30224992621,3cyclictest9-21ksoftirqd/011:01:110
30224992620,3cyclictest9-21ksoftirqd/013:51:160
30224992620,3cyclictest9-21ksoftirqd/013:06:440
30224992620,3cyclictest9-21ksoftirqd/012:36:320
30224992620,3cyclictest9-21ksoftirqd/011:45:390
30224992620,3cyclictest9-21ksoftirqd/011:16:310
30224992620,3cyclictest9-21ksoftirqd/009:26:270
30224992619,4cyclictest9-21ksoftirqd/009:31:420
30224992619,4cyclictest9-21ksoftirqd/009:31:420
1494722619,3sleep233-21ksoftirqd/212:06:342
30246992519,4cyclictest41-21ksoftirqd/309:11:223
3023799255,17cyclictest5117-21sed10:31:272
3023799254,8cyclictest25284-21ssh13:22:342
3023799254,12cyclictest18016-21ssh13:16:262
3023799252,14cyclictest11483-21ssh11:31:252
30237992521,3cyclictest33-21ksoftirqd/213:32:012
30237992520,3cyclictest33-21ksoftirqd/213:54:542
30237992520,3cyclictest33-21ksoftirqd/212:26:412
30237992519,3cyclictest33-21ksoftirqd/213:46:342
30237992519,3cyclictest33-21ksoftirqd/213:06:332
30237992519,3cyclictest33-21ksoftirqd/210:05:352
30237992519,3cyclictest33-21ksoftirqd/209:48:132
30237992518,4cyclictest33-21ksoftirqd/212:46:342
30237992518,4cyclictest33-21ksoftirqd/210:30:452
30237992518,4cyclictest33-21ksoftirqd/210:07:412
30237992518,4cyclictest33-21ksoftirqd/209:59:382
30224992520,3cyclictest9-21ksoftirqd/010:41:110
30224992520,3cyclictest9-21ksoftirqd/010:11:100
30224992519,3cyclictest9-21ksoftirqd/013:36:320
30224992519,3cyclictest9-21ksoftirqd/011:51:300
30224992519,3cyclictest9-21ksoftirqd/011:11:220
30224992519,3cyclictest9-21ksoftirqd/009:56:270
30224992519,3cyclictest9-21ksoftirqd/009:46:550
106891250,0ptp4l401ktimersoftd/309:36:443
3023799243,9cyclictest32315-21grep12:56:432
3023799243,9cyclictest32315-21grep12:56:432
3023799242,19cyclictest4479-21grep11:56:292
30237992420,3cyclictest33-21ksoftirqd/214:29:432
30237992420,3cyclictest33-21ksoftirqd/212:05:072
30237992418,3cyclictest33-21ksoftirqd/213:11:262
30237992418,3cyclictest33-21ksoftirqd/211:43:172
30237992418,3cyclictest33-21ksoftirqd/209:31:522
30237992418,3cyclictest33-21ksoftirqd/209:31:522
30237992417,4cyclictest33-21ksoftirqd/212:16:002
30237992417,4cyclictest33-21ksoftirqd/210:38:562
30237992417,4cyclictest33-21ksoftirqd/209:23:172
30224992419,3cyclictest9-21ksoftirqd/011:21:300
30224992419,3cyclictest9-21ksoftirqd/010:46:300
30224992419,3cyclictest9-21ksoftirqd/010:31:300
30224992419,3cyclictest9-21ksoftirqd/009:21:230
30224992418,3cyclictest9-21ksoftirqd/014:36:270
30224992418,3cyclictest9-21ksoftirqd/014:21:160
30224992418,3cyclictest9-21ksoftirqd/009:16:080
30224992417,4cyclictest9-21ksoftirqd/009:45:150
30224992410,11cyclictest21638-21sed13:51:450
106891240,1ptp4l401ktimersoftd/311:06:383
106891240,1ptp4l401ktimersoftd/311:06:383
106891240,1ptp4l401ktimersoftd/310:46:233
3023799233,13cyclictest23985-21ssh11:11:232
30237992318,3cyclictest33-21ksoftirqd/214:41:162
30237992318,3cyclictest33-21ksoftirqd/214:16:152
30237992317,3cyclictest33-21ksoftirqd/211:06:252
30237992317,3cyclictest33-21ksoftirqd/211:06:252
30237992317,3cyclictest33-21ksoftirqd/210:11:182
30237992317,3cyclictest33-21ksoftirqd/209:54:562
30224992318,3cyclictest9-21ksoftirqd/013:41:270
30224992318,3cyclictest9-21ksoftirqd/010:16:240
30224992318,3cyclictest9-21ksoftirqd/009:36:280
30237992217,3cyclictest33-21ksoftirqd/210:21:262
30237992216,3cyclictest33-21ksoftirqd/209:29:112
30224992216,3cyclictest9-21ksoftirqd/012:30:540
30224992215,4cyclictest9-21ksoftirqd/010:21:560
30237992116,3cyclictest33-21ksoftirqd/210:56:312
30237992114,4cyclictest10922-21sh11:30:592
30224992116,3cyclictest9-21ksoftirqd/014:13:080
30224992116,3cyclictest9-21ksoftirqd/010:01:240
30224992115,4cyclictest9-21ksoftirqd/010:30:040
30224992115,3cyclictest9-21ksoftirqd/011:11:110
30224992115,3cyclictest9-21ksoftirqd/011:11:110
3022499211,4cyclictest23633-21bc12:16:230
30237992015,3cyclictest33-21ksoftirqd/213:02:412
30237992015,3cyclictest33-21ksoftirqd/213:02:412
30237992014,3cyclictest33-21ksoftirqd/214:21:342
30237992014,3cyclictest33-21ksoftirqd/212:31:582
30237992013,4cyclictest16117-21expr12:41:282
30237992013,4cyclictest14458-21nfs4_client09:41:302
30237992013,4cyclictest11638-21date10:46:112
30224992015,3cyclictest9-21ksoftirqd/012:21:290
30224992015,3cyclictest9-21ksoftirqd/011:04:000
30224992014,3cyclictest20350-21wc09:56:100
30224991913,3cyclictest4301-21expr11:56:270
30224991912,4cyclictest8037-21switchtime11:26:390
30224991812,4cyclictest9-21ksoftirqd/010:11:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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