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2025-11-05 - 18:03
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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 376 highest latencies:
System rackbslot6.osadl.org (updated Wed Nov 05, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1773911770,5ptp4l401ktimersoftd/308:05:483
2707221510,4sleep1524399cyclictest10:43:251
470521030,7sleep125-21ksoftirqd/108:03:371
315582790,2sleep00-21swapper/012:45:210
123552790,2sleep30-21swapper/311:44:023
116112680,5sleep1524399cyclictest12:23:221
177391640,2ptp4l401ktimersoftd/313:13:443
177391630,1ptp4l401ktimersoftd/311:01:113
139292620,3sleep0523899cyclictest13:37:000
144842610,2sleep20-21swapper/213:37:592
49092580,2sleep20-21swapper/212:52:462
177391580,1ptp4l401ktimersoftd/312:36:493
173662570,2sleep3525999cyclictest11:11:423
5250995549,4cyclictest5248-21apt-config08:08:062
177391550,1ptp4l401ktimersoftd/311:18:033
5250995445,4cyclictest33-21ksoftirqd/209:43:202
262392520,2sleep30-21swapper/308:48:263
184942520,3sleep3401ktimersoftd/313:07:403
5250995144,4cyclictest33-21ksoftirqd/208:08:182
177391510,1ptp4l401ktimersoftd/309:30:453
5250995043,3cyclictest33-21ksoftirqd/212:13:252
5250995043,3cyclictest33-21ksoftirqd/208:53:222
5250995016,14cyclictest33-21ksoftirqd/211:48:112
5250994841,4cyclictest33-21ksoftirqd/208:38:202
5250994538,4cyclictest33-21ksoftirqd/209:33:212
5250994519,23cyclictest33-21ksoftirqd/212:33:472
5250994517,5cyclictest33-21ksoftirqd/211:28:272
5250994437,4cyclictest33-21ksoftirqd/212:38:252
5238994439,3cyclictest9-21ksoftirqd/012:48:240
5250994314,9cyclictest33-21ksoftirqd/209:48:372
5250994314,9cyclictest33-21ksoftirqd/209:48:372
177391430,1ptp4l401ktimersoftd/308:56:203
177391430,1ptp4l401ktimersoftd/308:46:033
177391420,1ptp4l401ktimersoftd/313:26:453
177391420,1ptp4l401ktimersoftd/313:26:453
177391420,1ptp4l401ktimersoftd/308:17:403
5250994134,4cyclictest33-21ksoftirqd/211:03:152
5259994011,4cyclictest41-21ksoftirqd/312:58:123
525099405,11cyclictest33-21ksoftirqd/211:38:252
525099405,11cyclictest33-21ksoftirqd/211:38:252
5250994034,3cyclictest33-21ksoftirqd/213:28:132
5250994034,3cyclictest33-21ksoftirqd/213:28:132
5250994024,13cyclictest33-21ksoftirqd/210:33:312
5250994021,3cyclictest33-21ksoftirqd/211:53:302
5250994015,4cyclictest33-21ksoftirqd/209:03:262
177391400,1ptp4l401ktimersoftd/310:17:043
5250993933,3cyclictest33-21ksoftirqd/208:58:212
5250993929,3cyclictest33-21ksoftirqd/208:28:072
5250993928,9cyclictest33-21ksoftirqd/211:18:222
5250993928,3cyclictest33-21ksoftirqd/210:53:242
177391390,1ptp4l401ktimersoftd/313:34:193
177391390,1ptp4l401ktimersoftd/312:05:483
177391390,1ptp4l401ktimersoftd/311:26:503
177391390,1ptp4l401ktimersoftd/310:54:113
177391390,1ptp4l401ktimersoftd/310:42:063
5250993833,3cyclictest33-21ksoftirqd/211:53:112
5250993833,3cyclictest33-21ksoftirqd/211:23:312
5250993832,3cyclictest33-21ksoftirqd/211:38:102
5250993832,3cyclictest33-21ksoftirqd/210:13:082
5250993830,5cyclictest33-21ksoftirqd/212:23:272
5250993829,3cyclictest33-21ksoftirqd/210:03:302
5250993828,3cyclictest33-21ksoftirqd/212:43:332
5250993827,3cyclictest33-21ksoftirqd/208:28:192
5250993826,3cyclictest33-21ksoftirqd/213:18:132
177391380,1ptp4l401ktimersoftd/312:46:483
177391380,1ptp4l401ktimersoftd/311:59:573
5250993731,4cyclictest33-21ksoftirqd/211:03:102
5250993731,3cyclictest33-21ksoftirqd/213:23:122
5250993731,3cyclictest33-21ksoftirqd/210:23:092
5250993725,3cyclictest33-21ksoftirqd/210:48:392
5250993724,3cyclictest33-21ksoftirqd/213:08:362
5250993720,9cyclictest33-21ksoftirqd/212:21:302
525099371,4cyclictest121rcu_preempt12:58:122
525099370,6cyclictest121rcu_preempt09:58:282
177391370,1ptp4l401ktimersoftd/313:18:443
177391370,1ptp4l401ktimersoftd/313:12:103
177391370,1ptp4l401ktimersoftd/312:50:003
177391370,1ptp4l401ktimersoftd/312:42:553
177391370,1ptp4l401ktimersoftd/312:28:493
177391370,1ptp4l401ktimersoftd/310:50:033
177391370,1ptp4l401ktimersoftd/310:12:183
525999363,5cyclictest121rcu_preempt12:23:233
5250993631,3cyclictest33-21ksoftirqd/209:23:072
5250993630,3cyclictest33-21ksoftirqd/211:13:102
5250993630,3cyclictest33-21ksoftirqd/209:28:282
5250993627,3cyclictest33-21ksoftirqd/213:03:122
5250993625,4cyclictest33-21ksoftirqd/208:38:072
5250993612,4cyclictest33-21ksoftirqd/208:13:302
177391360,0ptp4l401ktimersoftd/311:34:123
177391360,0ptp4l401ktimersoftd/311:22:243
5259993530,3cyclictest41-21ksoftirqd/310:23:093
525099356,7cyclictest33-21ksoftirqd/209:18:072
5250993530,3cyclictest33-21ksoftirqd/211:13:282
5250993530,3cyclictest33-21ksoftirqd/210:43:282
5250993529,4cyclictest33-21ksoftirqd/210:38:462
5250993529,3cyclictest33-21ksoftirqd/212:08:112
5250993529,3cyclictest33-21ksoftirqd/212:03:112
5250993529,3cyclictest33-21ksoftirqd/208:23:062
5250993528,3cyclictest33-21ksoftirqd/213:28:452
5250993528,3cyclictest33-21ksoftirqd/213:28:452
5250993527,5cyclictest33-21ksoftirqd/209:08:322
5250993512,3cyclictest33-21ksoftirqd/210:13:262
177391350,1ptp4l401ktimersoftd/313:31:583
177391350,1ptp4l401ktimersoftd/313:31:583
5259993428,4cyclictest41-21ksoftirqd/309:38:073
5250993429,3cyclictest33-21ksoftirqd/210:23:192
5250993429,3cyclictest33-21ksoftirqd/209:58:082
5250993423,3cyclictest33-21ksoftirqd/212:08:272
5250993421,4cyclictest33-21ksoftirqd/208:53:072
5250993411,4cyclictest33-21ksoftirqd/208:43:202
177391340,1ptp4l401ktimersoftd/311:55:573
177391340,1ptp4l401ktimersoftd/310:35:323
525999336,4cyclictest41-21ksoftirqd/309:43:363
525999333,3cyclictest41-21ksoftirqd/308:33:263
5259993328,3cyclictest41-21ksoftirqd/312:18:243
5259993327,3cyclictest41-21ksoftirqd/308:28:073
5250993327,3cyclictest33-21ksoftirqd/213:03:262
5250993327,3cyclictest33-21ksoftirqd/212:28:332
5238993327,3cyclictest9-21ksoftirqd/008:33:290
177391330,2ptp4l4577-21kworker/3:208:31:253
177391330,1ptp4l401ktimersoftd/311:29:003
177391330,1ptp4l401ktimersoftd/310:29:443
177391330,1ptp4l401ktimersoftd/308:58:133
177391330,11ptp4l401ktimersoftd/312:10:463
177391330,0ptp4l401ktimersoftd/309:04:423
5259993227,3cyclictest41-21ksoftirqd/309:13:223
5250993225,4cyclictest33-21ksoftirqd/209:38:322
5250993222,3cyclictest33-21ksoftirqd/209:23:242
5238993227,3cyclictest9-21ksoftirqd/009:18:070
5238993226,3cyclictest9-21ksoftirqd/009:08:070
5238993225,4cyclictest9-21ksoftirqd/012:03:290
177391320,1ptp4l401ktimersoftd/312:16:083
177391320,1ptp4l401ktimersoftd/311:38:473
177391320,1ptp4l401ktimersoftd/311:38:473
525999313,4cyclictest41-21ksoftirqd/311:48:363
5259993125,3cyclictest41-21ksoftirqd/309:23:073
525999310,5cyclictest121rcu_preempt10:23:293
5250993126,3cyclictest33-21ksoftirqd/210:28:282
5243993126,3cyclictest25-21ksoftirqd/111:03:101
5238993126,3cyclictest9-21ksoftirqd/012:58:280
5238993125,4cyclictest9-21ksoftirqd/011:13:300
5238993123,4cyclictest9-21ksoftirqd/012:08:200
177391310,9ptp4l401ktimersoftd/311:05:513
177391310,8ptp4l401ktimersoftd/309:24:403
177391310,0ptp4l401ktimersoftd/313:00:123
5259993024,3cyclictest41-21ksoftirqd/309:38:283
5259993024,3cyclictest41-21ksoftirqd/308:13:063
5259993019,9cyclictest41-21ksoftirqd/310:43:283
5238993024,3cyclictest9-21ksoftirqd/009:38:280
5259992924,3cyclictest41-21ksoftirqd/309:48:243
5259992924,3cyclictest41-21ksoftirqd/309:48:243
5259992923,3cyclictest41-21ksoftirqd/309:58:253
5238992924,3cyclictest9-21ksoftirqd/013:03:220
5238992924,3cyclictest9-21ksoftirqd/012:33:120
5238992924,3cyclictest9-21ksoftirqd/009:23:070
36032295,11sleep00-21swapper/008:03:250
525999283,3cyclictest121rcu_preempt10:03:193
5259992822,4cyclictest41-21ksoftirqd/309:53:203
5243992821,4cyclictest25-21ksoftirqd/109:00:401
5238992822,3cyclictest9-21ksoftirqd/010:28:260
5238992820,4cyclictest9-21ksoftirqd/011:48:250
77942270,4sleep0523899cyclictest11:38:330
77942270,4sleep0523899cyclictest11:38:330
5259992722,3cyclictest41-21ksoftirqd/308:18:353
5259992720,4cyclictest41-21ksoftirqd/309:09:093
525999270,2cyclictest121rcu_preempt08:38:203
524399275,19cyclictest25730-21ssh11:22:021
5243992723,3cyclictest25-21ksoftirqd/110:28:321
5243992722,3cyclictest25-21ksoftirqd/113:33:331
5243992722,3cyclictest25-21ksoftirqd/111:28:281
5243992721,3cyclictest25-21ksoftirqd/108:44:151
5243992720,4cyclictest25-21ksoftirqd/112:51:041
5243992720,4cyclictest25-21ksoftirqd/110:13:021
5243992720,4cyclictest25-21ksoftirqd/109:21:361
5238992722,3cyclictest9-21ksoftirqd/012:13:310
5238992721,3cyclictest9-21ksoftirqd/012:57:140
5238992721,3cyclictest9-21ksoftirqd/012:24:240
5238992721,3cyclictest9-21ksoftirqd/011:23:300
5238992720,5cyclictest9-21ksoftirqd/013:18:240
5238992720,4cyclictest9-21ksoftirqd/009:10:060
305292270,4sleep029282-21/usr/sbin/munin10:03:300
524399262,15cyclictest24495-21sh12:38:261
5243992621,3cyclictest25-21ksoftirqd/111:58:241
5243992621,3cyclictest25-21ksoftirqd/111:43:571
5243992621,3cyclictest25-21ksoftirqd/111:23:271
5243992621,3cyclictest25-21ksoftirqd/109:18:071
5243992620,4cyclictest25-21ksoftirqd/113:16:511
5243992620,3cyclictest25-21ksoftirqd/109:42:421
5243992619,4cyclictest25-21ksoftirqd/113:02:241
5243992619,4cyclictest25-21ksoftirqd/112:15:501
5243992619,4cyclictest25-21ksoftirqd/109:24:571
5243992619,4cyclictest25-21ksoftirqd/109:12:121
5243992619,4cyclictest25-21ksoftirqd/108:11:261
5238992621,3cyclictest9-21ksoftirqd/011:53:410
5238992621,3cyclictest9-21ksoftirqd/011:18:280
5238992621,3cyclictest9-21ksoftirqd/008:18:230
5238992620,3cyclictest9-21ksoftirqd/009:36:440
5238992620,3cyclictest9-21ksoftirqd/008:38:250
5238992619,4cyclictest9-21ksoftirqd/009:24:120
5243992520,3cyclictest25-21ksoftirqd/110:37:271
5243992520,3cyclictest25-21ksoftirqd/109:58:081
5243992519,3cyclictest25-21ksoftirqd/111:49:301
5243992519,3cyclictest25-21ksoftirqd/108:48:551
5243992519,3cyclictest25-21ksoftirqd/108:35:221
5243992519,3cyclictest25-21ksoftirqd/108:31:571
5243992519,3cyclictest25-21ksoftirqd/108:14:341
5243992518,4cyclictest25-21ksoftirqd/109:36:211
5243992518,4cyclictest25-21ksoftirqd/108:19:481
523899253,12cyclictest14347-21ssh11:08:210
5238992520,3cyclictest9-21ksoftirqd/012:18:240
5238992520,3cyclictest9-21ksoftirqd/008:13:060
5238992519,4cyclictest9-21ksoftirqd/009:59:120
5238992519,4cyclictest9-21ksoftirqd/008:33:010
5238992519,3cyclictest9-21ksoftirqd/011:43:270
5238992519,3cyclictest9-21ksoftirqd/008:26:250
5238992518,4cyclictest9-21ksoftirqd/011:02:070
5238992518,4cyclictest9-21ksoftirqd/008:49:470
5238992515,7cyclictest9-21ksoftirqd/011:28:250
5238992513,4cyclictest1781-21processes13:23:380
5238992513,4cyclictest1781-21processes13:23:380
5243992419,3cyclictest25-21ksoftirqd/110:55:571
5243992419,3cyclictest25-21ksoftirqd/110:23:271
5243992419,3cyclictest25-21ksoftirqd/108:43:071
5243992419,3cyclictest25-21ksoftirqd/108:24:271
5243992418,3cyclictest25-21ksoftirqd/109:43:551
5243992417,4cyclictest25-21ksoftirqd/112:55:381
5243992417,4cyclictest25-21ksoftirqd/111:17:261
5243992417,4cyclictest25-21ksoftirqd/109:58:501
5238992419,3cyclictest9-21ksoftirqd/012:33:240
5238992419,3cyclictest9-21ksoftirqd/010:57:480
5238992418,3cyclictest9-21ksoftirqd/013:30:320
5238992418,3cyclictest9-21ksoftirqd/013:30:320
5238992418,3cyclictest9-21ksoftirqd/010:13:090
5238992417,4cyclictest9-21ksoftirqd/008:14:020
5243992317,4cyclictest25-21ksoftirqd/108:56:021
5243992317,3cyclictest25-21ksoftirqd/112:46:231
5243992317,3cyclictest25-21ksoftirqd/110:05:531
5243992316,4cyclictest25-21ksoftirqd/112:18:291
523899233,13cyclictest7228-21ssh10:18:210
5238992319,2cyclictest9-21ksoftirqd/011:33:440
5238992318,3cyclictest9-21ksoftirqd/013:18:130
5238992318,3cyclictest9-21ksoftirqd/011:03:240
5238992318,3cyclictest9-21ksoftirqd/010:48:380
5238992317,4cyclictest21713-1kworker/u9:112:41:340
5238992317,3cyclictest9-21ksoftirqd/010:38:090
5238992317,3cyclictest9-21ksoftirqd/009:53:270
5238992317,3cyclictest9-21ksoftirqd/008:43:180
5243992216,3cyclictest25-21ksoftirqd/113:23:441
5243992216,3cyclictest25-21ksoftirqd/113:23:441
5243992216,3cyclictest25-21ksoftirqd/109:05:261
5243992215,4cyclictest25-21ksoftirqd/112:35:431
5238992215,4cyclictest9-21ksoftirqd/013:09:180
524399211,5cyclictest29629-21snmp_o5powerctl13:18:371
5243992115,3cyclictest16263-21tune2fs12:28:311
5243992114,4cyclictest25-21ksoftirqd/109:31:591
524399210,3cyclictest121rcu_preempt10:52:281
5238992116,3cyclictest9-21ksoftirqd/011:58:330
5238992116,3cyclictest9-21ksoftirqd/010:43:300
5238992116,3cyclictest9-21ksoftirqd/009:49:210
5238992116,3cyclictest9-21ksoftirqd/009:49:210
5238992116,3cyclictest9-21ksoftirqd/009:28:230
5238992115,3cyclictest9-21ksoftirqd/010:28:090
5238992115,3cyclictest9-21ksoftirqd/008:58:230
5238992114,4cyclictest6844-21sh10:18:090
5243992015,3cyclictest5752-21fschecks_time13:28:311
5243992015,3cyclictest5752-21fschecks_time13:28:311
5243992014,4cyclictest25-21ksoftirqd/113:04:411
5243992013,4cyclictest8889-21sh10:18:381
5243992013,4cyclictest6941-21fschecks_count11:38:271
5243992013,4cyclictest6941-21fschecks_count11:38:271
5243992013,4cyclictest25-21ksoftirqd/110:39:041
5243992013,4cyclictest21081-21sh13:08:541
524399200,4cyclictest11778-21snmp_o5powerctl11:03:371
5238992015,3cyclictest9-21ksoftirqd/008:53:260
5238992013,4cyclictest25566-21sh10:41:120
5243991914,3cyclictest25-21ksoftirqd/112:10:331
5243991914,3cyclictest25-21ksoftirqd/111:08:191
5243991912,4cyclictest18964-21mktemp11:53:121
5243991812,3cyclictest23849-21tail09:48:371
5243991812,3cyclictest23849-21tail09:48:371
5243991811,4cyclictest3678-21ptp4l11:33:351
5243991811,4cyclictest1760-21runrttasks10:16:351
5238991812,3cyclictest9-21ksoftirqd/009:46:020
5243991712,3cyclictest241ktimersoftd/112:03:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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