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2025-10-18 - 20:05
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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 Oct 18, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1275221740,4sleep31533799cyclictest12:40:543
1773911110,4ptp4l401ktimersoftd/307:54:473
211032780,2sleep00-21swapper/010:13:290
211032780,2sleep00-21swapper/010:13:290
177391770,1ptp4l401ktimersoftd/310:15:243
177391770,1ptp4l401ktimersoftd/310:15:243
177391670,9ptp4l401ktimersoftd/312:38:023
166512650,5sleep11532199cyclictest10:08:241
142272620,2sleep00-21swapper/012:03:370
142272620,2sleep00-21swapper/012:03:370
132722570,3sleep10-21swapper/107:53:201
226672560,5sleep341-21ksoftirqd/312:13:363
31582540,4sleep09-21ksoftirqd/013:07:290
148712534,37sleep00-21swapper/007:53:410
285322520,4sleep328536-21phc2sys12:58:373
268092480,2sleep00-21swapper/010:20:350
268092480,2sleep00-21swapper/010:20:350
193142460,18sleep346750irq/99-ens3-TxR12:48:333
177391440,1ptp4l401ktimersoftd/310:51:053
177391420,1ptp4l401ktimersoftd/309:59:363
177391420,1ptp4l401ktimersoftd/308:34:233
177391410,1ptp4l401ktimersoftd/311:23:273
177391410,1ptp4l401ktimersoftd/309:49:563
177391390,1ptp4l401ktimersoftd/313:06:313
177391390,1ptp4l401ktimersoftd/311:59:063
177391390,1ptp4l401ktimersoftd/311:42:073
177391390,1ptp4l401ktimersoftd/311:37:303
177391390,1ptp4l401ktimersoftd/310:36:563
150172396,9sleep20-21swapper/207:55:362
75382380,3sleep30-21swapper/311:55:213
177391380,1ptp4l401ktimersoftd/312:28:303
177391380,1ptp4l401ktimersoftd/312:06:233
177391380,1ptp4l401ktimersoftd/312:06:233
177391380,1ptp4l401ktimersoftd/311:28:303
177391380,1ptp4l401ktimersoftd/310:55:483
177391380,1ptp4l401ktimersoftd/310:29:273
15337993820,4cyclictest41-21ksoftirqd/308:53:433
177391370,1ptp4l401ktimersoftd/312:55:263
177391370,1ptp4l401ktimersoftd/312:20:003
177391370,1ptp4l401ktimersoftd/310:45:143
177391370,1ptp4l401ktimersoftd/310:28:013
177391370,1ptp4l401ktimersoftd/309:35:503
177391370,0ptp4l401ktimersoftd/313:18:493
15321993730,4cyclictest25-21ksoftirqd/109:53:301
15317993727,3cyclictest9-21ksoftirqd/011:07:490
177391360,1ptp4l401ktimersoftd/313:16:293
177391360,1ptp4l401ktimersoftd/311:00:033
177391360,1ptp4l401ktimersoftd/310:21:163
177391360,1ptp4l401ktimersoftd/310:21:163
177391360,1ptp4l401ktimersoftd/310:13:053
177391360,0ptp4l401ktimersoftd/311:49:113
15321993631,3cyclictest25-21ksoftirqd/113:08:131
15317993631,3cyclictest9-21ksoftirqd/013:28:130
15317993624,6cyclictest9-21ksoftirqd/011:33:230
177391350,1ptp4l401ktimersoftd/313:10:303
177391350,0ptp4l401ktimersoftd/312:23:183
177391350,0ptp4l401ktimersoftd/312:10:403
15330993530,3cyclictest33-21ksoftirqd/210:48:102
15321993530,3cyclictest25-21ksoftirqd/110:08:091
107802350,4sleep21533099cyclictest10:42:012
177391340,1ptp4l401ktimersoftd/308:13:553
15330993428,3cyclictest33-21ksoftirqd/213:13:142
15330993428,3cyclictest33-21ksoftirqd/211:28:322
177391330,0ptp4l401ktimersoftd/311:15:483
15321993328,3cyclictest25-21ksoftirqd/110:33:101
51162320,2sleep30-21swapper/308:43:073
177391320,1ptp4l401ktimersoftd/311:05:433
177391320,1ptp4l401ktimersoftd/309:57:103
177391320,1ptp4l401ktimersoftd/308:04:343
15330993227,3cyclictest24354-21expr10:58:282
15330993225,4cyclictest33-21ksoftirqd/211:03:182
15317993227,3cyclictest9-21ksoftirqd/012:18:120
177391310,1ptp4l401ktimersoftd/311:47:343
177391310,1ptp4l401ktimersoftd/309:10:173
15330993126,3cyclictest33-21ksoftirqd/212:28:122
15330993125,3cyclictest33-21ksoftirqd/212:58:272
15321993126,3cyclictest25-21ksoftirqd/111:18:111
15321993126,3cyclictest12613-21cpuspeed_turbos11:23:271
177391300,1ptp4l401ktimersoftd/308:19:413
177391300,0ptp4l401ktimersoftd/309:19:383
15330993025,3cyclictest33-21ksoftirqd/211:13:112
15330993025,3cyclictest33-21ksoftirqd/208:28:062
15330993025,3cyclictest33-21ksoftirqd/208:28:062
15330993024,3cyclictest33-21ksoftirqd/211:33:252
15321993025,3cyclictest25-21ksoftirqd/112:58:381
15321993025,3cyclictest25-21ksoftirqd/111:58:111
15321993024,3cyclictest25-21ksoftirqd/111:28:321
15321993024,3cyclictest25-21ksoftirqd/110:38:221
15321993024,3cyclictest25-21ksoftirqd/108:18:061
15321993023,4cyclictest25-21ksoftirqd/110:28:091
15321993023,4cyclictest25-21ksoftirqd/109:18:581
15317993024,3cyclictest9-21ksoftirqd/008:28:060
15317993024,3cyclictest9-21ksoftirqd/008:28:060
15330992925,3cyclictest33-21ksoftirqd/212:18:322
15330992924,3cyclictest33-21ksoftirqd/211:28:112
15330992924,3cyclictest33-21ksoftirqd/210:03:232
15330992923,4cyclictest33-21ksoftirqd/211:13:572
15330992923,4cyclictest33-21ksoftirqd/209:58:262
15330992923,3cyclictest33-21ksoftirqd/212:08:272
15330992922,4cyclictest33-21ksoftirqd/208:00:192
15321992924,3cyclictest25-21ksoftirqd/113:08:321
15321992924,3cyclictest25-21ksoftirqd/112:58:131
15321992924,3cyclictest25-21ksoftirqd/111:08:101
15321992924,3cyclictest25-21ksoftirqd/110:53:101
15321992923,4cyclictest25-21ksoftirqd/110:33:361
15321992923,4cyclictest20550-21kworker/1:013:23:331
15321992923,3cyclictest25-21ksoftirqd/112:03:291
15321992923,3cyclictest25-21ksoftirqd/112:03:291
15321992923,3cyclictest25-21ksoftirqd/111:23:111
15321992923,3cyclictest25-21ksoftirqd/110:23:091
15321992923,3cyclictest25-21ksoftirqd/110:23:091
15317992924,3cyclictest9-21ksoftirqd/012:58:290
15317992924,3cyclictest9-21ksoftirqd/010:58:430
15317992924,3cyclictest9-21ksoftirqd/010:03:280
15317992923,3cyclictest9-21ksoftirqd/013:08:270
15317992923,3cyclictest9-21ksoftirqd/012:43:130
15317992923,3cyclictest9-21ksoftirqd/011:18:240
15317992923,3cyclictest9-21ksoftirqd/008:08:060
15317992922,4cyclictest9-21ksoftirqd/008:58:220
177391280,1ptp4l401ktimersoftd/311:11:523
177391280,0ptp4l401ktimersoftd/311:19:453
15337992822,3cyclictest41-21ksoftirqd/308:10:033
15337992821,4cyclictest41-21ksoftirqd/309:45:343
15337992821,4cyclictest41-21ksoftirqd/309:28:153
15330992823,3cyclictest33-21ksoftirqd/209:13:222
15330992822,4cyclictest33-21ksoftirqd/209:48:542
15330992822,3cyclictest33-21ksoftirqd/211:53:322
15321992823,3cyclictest25-21ksoftirqd/113:23:131
15321992823,3cyclictest25-21ksoftirqd/111:52:421
15321992823,3cyclictest25-21ksoftirqd/109:08:081
15321992823,3cyclictest25-21ksoftirqd/108:43:271
15321992822,3cyclictest25-21ksoftirqd/111:58:281
15321992822,3cyclictest25-21ksoftirqd/108:28:071
15321992822,3cyclictest25-21ksoftirqd/108:28:071
15321992821,4cyclictest25-21ksoftirqd/113:13:291
15321992821,4cyclictest25-21ksoftirqd/110:53:301
15317992823,3cyclictest9-21ksoftirqd/012:38:120
15317992823,3cyclictest9-21ksoftirqd/010:23:250
15317992822,4cyclictest9-21ksoftirqd/009:33:210
15317992822,3cyclictest9-21ksoftirqd/012:24:490
15317992822,3cyclictest9-21ksoftirqd/011:43:110
120142280,5sleep0101ktimersoftd/013:17:080
177391270,1ptp4l401ktimersoftd/310:03:193
177391270,1ptp4l401ktimersoftd/308:43:253
177391270,0ptp4l401ktimersoftd/308:26:333
177391270,0ptp4l401ktimersoftd/308:26:333
15330992722,3cyclictest33-21ksoftirqd/213:28:132
15330992722,3cyclictest33-21ksoftirqd/213:03:332
15330992722,3cyclictest33-21ksoftirqd/212:28:332
15330992722,3cyclictest33-21ksoftirqd/211:38:362
15330992722,3cyclictest33-21ksoftirqd/210:53:252
15330992722,3cyclictest33-21ksoftirqd/209:33:262
15330992721,3cyclictest33-21ksoftirqd/208:59:502
15330992720,4cyclictest33-21ksoftirqd/212:13:302
15330992715,6cyclictest33-21ksoftirqd/212:53:282
15321992723,3cyclictest25-21ksoftirqd/112:23:291
15321992723,3cyclictest25-21ksoftirqd/112:13:241
15321992722,3cyclictest25-21ksoftirqd/112:33:311
15321992722,3cyclictest25-21ksoftirqd/112:33:121
15321992722,3cyclictest25-21ksoftirqd/112:18:321
15321992722,3cyclictest25-21ksoftirqd/110:43:271
15321992722,3cyclictest25-21ksoftirqd/109:13:221
15321992722,3cyclictest25-21ksoftirqd/108:28:261
15321992722,3cyclictest25-21ksoftirqd/108:28:261
15321992721,4cyclictest25-21ksoftirqd/112:38:451
15321992721,3cyclictest25-21ksoftirqd/111:38:311
15317992722,3cyclictest9-21ksoftirqd/012:22:160
15317992722,3cyclictest9-21ksoftirqd/011:43:340
15317992722,3cyclictest9-21ksoftirqd/011:33:100
15317992721,3cyclictest9-21ksoftirqd/012:08:270
15317992721,3cyclictest9-21ksoftirqd/010:53:250
15317992721,3cyclictest9-21ksoftirqd/010:28:280
15317992721,3cyclictest9-21ksoftirqd/008:41:470
15317992720,4cyclictest9-21ksoftirqd/009:16:000
15317992720,4cyclictest9-21ksoftirqd/008:02:410
15317992719,5cyclictest9-21ksoftirqd/011:11:300
15337992619,4cyclictest41-21ksoftirqd/309:13:423
15330992621,3cyclictest33-21ksoftirqd/211:48:112
15330992621,3cyclictest33-21ksoftirqd/208:46:552
15330992620,4cyclictest33-21ksoftirqd/210:33:232
15330992620,4cyclictest33-21ksoftirqd/209:28:252
15330992620,3cyclictest33-21ksoftirqd/208:52:392
15330992620,3cyclictest33-21ksoftirqd/208:08:242
15330992619,4cyclictest33-21ksoftirqd/209:13:012
15321992621,3cyclictest25-21ksoftirqd/112:48:131
15321992621,3cyclictest25-21ksoftirqd/110:58:351
15321992621,3cyclictest25-21ksoftirqd/110:18:091
15321992621,3cyclictest25-21ksoftirqd/110:18:091
15321992621,3cyclictest25-21ksoftirqd/109:38:271
15321992621,3cyclictest25-21ksoftirqd/108:58:081
15321992621,3cyclictest25-21ksoftirqd/108:48:251
15321992621,3cyclictest25-21ksoftirqd/108:23:061
15321992620,4cyclictest25-21ksoftirqd/112:08:251
15321992620,3cyclictest25-21ksoftirqd/111:13:111
15321992619,4cyclictest25-21ksoftirqd/107:59:291
15317992621,3cyclictest9-21ksoftirqd/012:43:310
15317992621,3cyclictest9-21ksoftirqd/010:03:080
15317992620,4cyclictest9-21ksoftirqd/008:15:300
15317992620,3cyclictest9-21ksoftirqd/009:57:230
15317992620,3cyclictest9-21ksoftirqd/009:20:580
15317992620,3cyclictest9-21ksoftirqd/009:07:490
15317992620,3cyclictest9-21ksoftirqd/008:56:290
220132251,2sleep2121rcu_preempt12:52:182
177391250,1ptp4l401ktimersoftd/308:58:283
177391250,10ptp4l401ktimersoftd/309:24:063
15337992520,3cyclictest41-21ksoftirqd/308:53:073
15337992519,3cyclictest41-21ksoftirqd/308:32:263
15337992519,3cyclictest41-21ksoftirqd/308:32:263
15330992520,3cyclictest33-21ksoftirqd/213:13:352
15330992520,3cyclictest33-21ksoftirqd/211:23:112
15330992520,3cyclictest33-21ksoftirqd/209:53:302
15330992520,3cyclictest33-21ksoftirqd/208:58:072
15330992520,3cyclictest33-21ksoftirqd/208:03:092
15330992519,4cyclictest33-21ksoftirqd/208:13:592
15330992519,3cyclictest33-21ksoftirqd/209:44:132
15321992520,3cyclictest25-21ksoftirqd/111:48:111
15321992520,3cyclictest25-21ksoftirqd/111:33:251
15321992520,3cyclictest25-21ksoftirqd/109:58:231
15321992520,3cyclictest25-21ksoftirqd/108:38:261
15321992520,3cyclictest25-21ksoftirqd/108:03:071
15321992519,3cyclictest25-21ksoftirqd/109:33:211
15321992519,3cyclictest25-21ksoftirqd/109:23:231
15321992519,3cyclictest25-21ksoftirqd/108:58:311
15317992520,3cyclictest9-21ksoftirqd/011:58:330
15317992520,3cyclictest9-21ksoftirqd/011:48:310
15317992519,3cyclictest9-21ksoftirqd/009:28:280
15317992519,3cyclictest9-21ksoftirqd/008:20:050
15317992518,4cyclictest9-21ksoftirqd/012:29:070
15317992514,8cyclictest25801-21timerandwakeup09:23:400
177391240,1ptp4l401ktimersoftd/313:23:423
177391240,1ptp4l401ktimersoftd/312:43:193
177391240,1ptp4l401ktimersoftd/310:38:143
177391240,1ptp4l401ktimersoftd/309:38:293
177391240,1ptp4l401ktimersoftd/309:03:213
177391240,1ptp4l401ktimersoftd/307:58:243
15330992419,3cyclictest33-21ksoftirqd/213:18:302
15330992419,3cyclictest33-21ksoftirqd/212:33:412
15330992419,3cyclictest33-21ksoftirqd/211:53:112
15330992418,4cyclictest33-21ksoftirqd/209:05:542
15330992418,3cyclictest33-21ksoftirqd/210:18:282
15330992418,3cyclictest33-21ksoftirqd/210:18:282
15330992417,4cyclictest33-21ksoftirqd/210:24:032
15321992419,3cyclictest25-21ksoftirqd/109:48:311
15321992418,4cyclictest25-21ksoftirqd/108:35:381
15321992418,3cyclictest25-21ksoftirqd/112:48:421
15321992418,3cyclictest25-21ksoftirqd/109:33:081
15321992418,3cyclictest25-21ksoftirqd/108:08:191
15321992417,4cyclictest25-21ksoftirqd/109:08:211
15317992419,3cyclictest9-21ksoftirqd/011:56:150
15317992419,3cyclictest9-21ksoftirqd/010:53:100
15317992419,3cyclictest9-21ksoftirqd/010:13:090
15317992419,3cyclictest9-21ksoftirqd/008:37:080
15317992418,3cyclictest9-21ksoftirqd/010:41:110
15317992418,3cyclictest9-21ksoftirqd/009:50:200
15317992418,3cyclictest9-21ksoftirqd/008:08:210
15317992417,4cyclictest9-21ksoftirqd/008:48:200
15330992318,3cyclictest33-21ksoftirqd/211:58:552
15330992318,3cyclictest33-21ksoftirqd/210:33:092
15330992318,3cyclictest33-21ksoftirqd/209:23:282
15330992318,3cyclictest33-21ksoftirqd/208:23:062
15330992317,3cyclictest33-21ksoftirqd/208:33:272
1532199233,3cyclictest0-21swapper/109:48:081
15317992317,3cyclictest9-21ksoftirqd/011:13:280
15317992317,3cyclictest9-21ksoftirqd/010:43:250
15317992317,3cyclictest9-21ksoftirqd/009:46:190
15317992317,3cyclictest9-21ksoftirqd/008:31:040
15317992317,3cyclictest9-21ksoftirqd/008:31:040
15317992316,4cyclictest9-21ksoftirqd/008:44:120
15330992217,3cyclictest33-21ksoftirqd/212:08:122
15330992217,3cyclictest33-21ksoftirqd/212:08:122
15330992217,3cyclictest33-21ksoftirqd/210:48:302
15330992217,3cyclictest33-21ksoftirqd/210:18:092
15330992216,3cyclictest33-21ksoftirqd/210:08:242
15330992216,3cyclictest33-21ksoftirqd/209:39:372
15330992213,6cyclictest13430-21sh12:42:202
15317992217,3cyclictest9-21ksoftirqd/009:38:220
15317992216,3cyclictest9-21ksoftirqd/011:26:000
15317992215,4cyclictest9-21ksoftirqd/009:08:130
15317992215,4cyclictest26235-21sh12:56:490
15317992214,5cyclictest46850irq/100-ens3-Tx12:48:270
15330992116,3cyclictest33-21ksoftirqd/212:43:312
15330992116,3cyclictest33-21ksoftirqd/208:28:282
15330992116,3cyclictest33-21ksoftirqd/208:28:282
15330992114,4cyclictest20687-21fschecks_time10:13:262
15317992115,3cyclictest4948-21ptp4l-jitter10:33:320
15330992015,3cyclictest33-21ksoftirqd/208:38:222
15317992014,3cyclictest12721-21/usr/sbin/munin13:18:320
15330991914,3cyclictest33-21ksoftirqd/209:19:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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