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2026-06-20 - 19:14
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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 Jun 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225121640,4sleep31646299cyclictest09:30:273
1068911060,3ptp4l401ktimersoftd/308:50:433
41162910,1sleep30-21swapper/312:26:563
106891700,1ptp4l401ktimersoftd/313:38:043
106891660,1ptp4l401ktimersoftd/313:07:073
106891640,2ptp4l401ktimersoftd/309:41:353
106891640,2ptp4l401ktimersoftd/309:41:353
131762620,2sleep20-21swapper/209:53:262
106891590,1ptp4l401ktimersoftd/312:36:483
195972580,2sleep10-21swapper/109:00:141
179652580,4sleep11645299cyclictest12:08:511
106891580,1ptp4l401ktimersoftd/313:16:453
106891570,1ptp4l401ktimersoftd/313:30:303
106891570,1ptp4l401ktimersoftd/311:06:173
106891560,1ptp4l401ktimersoftd/313:24:323
162152464,30sleep20-21swapper/208:53:292
106891460,2ptp4l10047-21kworker/3:114:05:563
106891450,2ptp4l10047-21kworker/3:113:41:013
106891440,1ptp4l401ktimersoftd/310:36:163
106891430,1ptp4l401ktimersoftd/310:55:173
106891430,11ptp4l401ktimersoftd/313:14:563
16452994217,5cyclictest3667-21tail10:40:341
16452994014,4cyclictest3493-21sh11:20:331
106891400,1ptp4l401ktimersoftd/312:40:403
106891400,1ptp4l401ktimersoftd/311:35:203
106891400,1ptp4l401ktimersoftd/311:33:593
106891400,1ptp4l401ktimersoftd/311:33:593
1645299391,11cyclictest24503-21ssh13:55:271
106891390,1ptp4l401ktimersoftd/314:23:253
16462993829,5cyclictest41-21ksoftirqd/312:05:273
16462993827,6cyclictest41-21ksoftirqd/313:00:263
16452993812,4cyclictest24777-21fschecks_count09:10:261
106891380,1ptp4l401ktimersoftd/314:11:373
106891380,1ptp4l401ktimersoftd/312:58:413
106891380,1ptp4l401ktimersoftd/312:49:023
106891380,1ptp4l401ktimersoftd/312:31:413
106891380,1ptp4l401ktimersoftd/312:19:123
106891380,1ptp4l401ktimersoftd/311:58:583
106891380,1ptp4l401ktimersoftd/309:00:253
16452993713,3cyclictest11690-21sh10:55:401
16448993727,5cyclictest9-21ksoftirqd/012:35:280
106891370,1ptp4l401ktimersoftd/314:03:533
106891370,1ptp4l401ktimersoftd/313:48:413
106891370,1ptp4l401ktimersoftd/312:11:233
106891370,1ptp4l401ktimersoftd/312:04:243
106891370,1ptp4l401ktimersoftd/311:48:093
106891370,1ptp4l401ktimersoftd/311:22:013
106891370,1ptp4l401ktimersoftd/311:20:063
106891370,1ptp4l401ktimersoftd/311:13:083
106891370,1ptp4l401ktimersoftd/311:00:453
106891370,0ptp4l401ktimersoftd/312:20:483
16462993625,7cyclictest41-21ksoftirqd/311:40:243
106891360,0ptp4l401ktimersoftd/313:56:393
16452993516,3cyclictest25-21ksoftirqd/109:51:041
16452993514,4cyclictest25-21ksoftirqd/110:22:081
106891350,0ptp4l401ktimersoftd/309:25:513
574623422,3sleep09-21ksoftirqd/014:09:240
16462993423,7cyclictest41-21ksoftirqd/313:50:303
142192344,16sleep114221-21/usr/sbin/munin08:50:211
16462993327,3cyclictest41-21ksoftirqd/310:25:113
16462993319,6cyclictest41-21ksoftirqd/309:50:223
106891330,5ptp4l13926-21kworker/3:009:19:453
106891330,1ptp4l401ktimersoftd/312:51:323
106891330,1ptp4l401ktimersoftd/310:16:523
106891330,1ptp4l401ktimersoftd/309:55:403
275422320,2sleep00-21swapper/013:57:510
1644899322,17cyclictest9367-21diskmemload11:45:260
106891320,1ptp4l401ktimersoftd/311:26:293
106891320,1ptp4l401ktimersoftd/309:40:033
60122310,5sleep1241ktimersoftd/110:45:321
261082310,2sleep00-21swapper/010:20:300
16462993125,3cyclictest41-21ksoftirqd/309:50:103
16462993125,3cyclictest41-21ksoftirqd/309:50:103
106891310,1ptp4l401ktimersoftd/313:26:273
106891310,1ptp4l401ktimersoftd/313:26:273
106891310,1ptp4l401ktimersoftd/310:07:003
106891310,1ptp4l401ktimersoftd/310:03:493
106891310,1ptp4l401ktimersoftd/309:21:433
106891310,1ptp4l401ktimersoftd/308:55:283
16462993017,6cyclictest41-21ksoftirqd/309:10:223
16457993025,3cyclictest33-21ksoftirqd/211:30:292
16457993025,3cyclictest33-21ksoftirqd/211:30:292
16448993023,4cyclictest9-21ksoftirqd/013:10:270
106891300,0ptp4l401ktimersoftd/310:31:003
16462992923,3cyclictest41-21ksoftirqd/309:05:283
16448992915,8cyclictest101ktimersoftd/010:15:220
1644899291,2cyclictest121rcu_preempt12:08:510
106891290,1ptp4l401ktimersoftd/314:19:263
103742290,4sleep21645799cyclictest12:00:332
323182280,4sleep032309-21munin-run10:35:120
16462992822,3cyclictest41-21ksoftirqd/311:50:253
16457992822,3cyclictest33-21ksoftirqd/214:24:182
16452992822,3cyclictest25-21ksoftirqd/112:15:341
1644899283,14cyclictest6662-21ssh14:10:260
16448992823,3cyclictest9-21ksoftirqd/011:40:130
16448992812,13cyclictest4161-21idleruntime-cro11:55:130
147852286,10sleep00-21swapper/008:50:280
16457992721,3cyclictest33-21ksoftirqd/212:20:262
16457992721,3cyclictest33-21ksoftirqd/211:54:212
16457992720,4cyclictest33-21ksoftirqd/210:18:112
1645799271,6cyclictest121rcu_preempt10:55:182
228282261,3sleep022836-21ssh13:53:060
170292260,2sleep00-21swapper/011:01:060
16462992620,3cyclictest41-21ksoftirqd/310:40:313
16462992620,3cyclictest41-21ksoftirqd/310:15:113
16457992621,3cyclictest33-21ksoftirqd/211:25:342
16457992620,3cyclictest33-21ksoftirqd/212:55:582
16457992620,3cyclictest33-21ksoftirqd/210:10:112
16457992620,3cyclictest33-21ksoftirqd/209:38:312
16457992619,4cyclictest33-21ksoftirqd/210:25:222
16452992619,4cyclictest25-21ksoftirqd/111:49:441
16452992619,4cyclictest25-21ksoftirqd/111:37:561
16448992621,3cyclictest9-21ksoftirqd/013:49:390
16448992620,3cyclictest9-21ksoftirqd/013:25:180
16448992620,3cyclictest9-21ksoftirqd/013:25:180
16448992619,4cyclictest9-21ksoftirqd/010:29:090
16448992619,4cyclictest9-21ksoftirqd/009:27:590
16448992618,5cyclictest31110-21grep12:55:300
16462992518,4cyclictest41-21ksoftirqd/310:52:053
16457992520,3cyclictest6984-21kworker/2:011:10:322
16457992519,4cyclictest33-21ksoftirqd/212:53:492
16457992519,3cyclictest33-21ksoftirqd/210:42:002
16457992518,4cyclictest33-21ksoftirqd/209:57:322
16457992518,4cyclictest33-21ksoftirqd/209:17:132
16452992519,3cyclictest25-21ksoftirqd/110:37:401
16452992519,3cyclictest24627-21idleruntime-cro11:10:121
16452992518,4cyclictest25-21ksoftirqd/109:59:521
1644899255,10cyclictest8063-21ssh13:05:270
1644899252,13cyclictest9917-21ssh13:40:280
16448992520,3cyclictest9-21ksoftirqd/012:20:360
16448992518,4cyclictest9-21ksoftirqd/012:15:170
146092250,3sleep20-21swapper/213:10:432
106891250,1ptp4l401ktimersoftd/310:45:293
264812240,2sleep10-21swapper/111:10:381
16457992418,3cyclictest33-21ksoftirqd/212:11:492
16457992418,3cyclictest33-21ksoftirqd/209:29:302
16457992417,4cyclictest33-21ksoftirqd/210:46:012
16457992417,4cyclictest33-21ksoftirqd/210:23:052
16457992417,4cyclictest33-21ksoftirqd/209:45:232
16457992417,4cyclictest33-21ksoftirqd/209:45:232
16457992416,5cyclictest47150irq/102-ens3-Tx12:45:272
16452992418,3cyclictest25-21ksoftirqd/109:39:551
16452992418,3cyclictest16335-21ssh11:34:371
16452992418,3cyclictest16335-21ssh11:34:371
16452992417,4cyclictest30929-21head12:20:431
16452992417,4cyclictest25-21ksoftirqd/113:07:091
16452992415,5cyclictest10211-21forks13:40:311
1644899244,13cyclictest1055-21runrttasks08:55:220
16448992419,3cyclictest9-21ksoftirqd/014:20:170
16448992419,3cyclictest9-21ksoftirqd/013:30:310
16448992419,3cyclictest9-21ksoftirqd/013:15:340
16448992418,4cyclictest9-21ksoftirqd/010:11:070
16448992418,3cyclictest9-21ksoftirqd/010:54:070
16448992417,4cyclictest9-21ksoftirqd/010:02:400
16448992417,4cyclictest9-21ksoftirqd/009:39:310
16448992417,4cyclictest29910-21grep09:20:280
16448992415,5cyclictest6909-21gltestperf12:30:300
106891240,1ptp4l401ktimersoftd/310:25:283
316762231,18sleep231870-21grep10:30:412
16457992318,3cyclictest33-21ksoftirqd/211:23:332
16457992317,3cyclictest33-21ksoftirqd/213:30:162
16457992317,3cyclictest33-21ksoftirqd/210:14:162
1645299232,13cyclictest30759-21ssh12:55:271
16452992318,3cyclictest25-21ksoftirqd/109:05:471
16452992317,3cyclictest25-21ksoftirqd/114:08:271
16452992317,3cyclictest25-21ksoftirqd/113:52:441
16452992316,4cyclictest25-21ksoftirqd/110:53:391
16452992316,4cyclictest25-21ksoftirqd/109:34:141
1645299230,20cyclictest21609-21ssh12:11:221
1645299230,20cyclictest10886-21rm11:28:371
1644899238,12cyclictest13329-21turbostat09:55:100
1644899233,12cyclictest16187-21ssh12:40:280
1644899233,11cyclictest12226-21ssh11:30:230
1644899233,11cyclictest12226-21ssh11:30:230
16448992318,3cyclictest9-21ksoftirqd/013:02:340
16448992318,3cyclictest9-21ksoftirqd/012:25:280
16448992318,3cyclictest9-21ksoftirqd/009:46:260
16448992318,3cyclictest9-21ksoftirqd/009:46:260
16448992317,3cyclictest9-21ksoftirqd/011:56:010
16448992317,3cyclictest9-21ksoftirqd/010:42:100
16448992317,3cyclictest9-21ksoftirqd/010:37:320
16448992316,4cyclictest9-21ksoftirqd/011:10:320
16448992316,4cyclictest20817-21irqrtprio11:05:290
154582230,2sleep20-21swapper/212:05:352
194542220,3sleep29367-21diskmemload13:15:452
16457992217,3cyclictest33-21ksoftirqd/213:23:162
16457992217,3cyclictest33-21ksoftirqd/211:37:122
16457992216,3cyclictest33-21ksoftirqd/214:09:222
16457992216,3cyclictest33-21ksoftirqd/209:09:572
16452992217,3cyclictest9784-21ssh12:33:191
16452992217,3cyclictest25-21ksoftirqd/111:43:501
16452992217,3cyclictest25-21ksoftirqd/110:34:011
16452992217,3cyclictest25-21ksoftirqd/110:17:301
16452992217,3cyclictest1352-21ssh14:05:131
16452992216,3cyclictest28248-21grep13:25:331
16452992216,3cyclictest28248-21grep13:25:331
16452992216,3cyclictest25-21ksoftirqd/109:41:361
16452992216,3cyclictest25-21ksoftirqd/109:41:361
16452992216,3cyclictest21705-21ssh13:19:201
16452992214,5cyclictest10235-21snmp_o5powerctl09:45:391
16452992214,5cyclictest10235-21snmp_o5powerctl09:45:391
1645299221,19cyclictest0-21swapper/112:00:541
1645299221,18cyclictest16317-21/usr/sbin/munin14:20:361
1645299220,19cyclictest18129-21ssh11:02:321
16448992217,3cyclictest9-21ksoftirqd/013:38:390
16448992217,3cyclictest9-21ksoftirqd/012:05:130
16448992217,3cyclictest9-21ksoftirqd/011:25:170
16448992217,3cyclictest9-21ksoftirqd/010:47:010
1644899221,6cyclictest12585-21ssh10:56:560
16448992216,3cyclictest9-21ksoftirqd/011:40:380
16448992216,3cyclictest9-21ksoftirqd/010:00:100
16448992216,3cyclictest9-21ksoftirqd/009:40:150
16448992216,3cyclictest9-21ksoftirqd/009:40:150
1645799217,11cyclictest1391-21latency_hist14:05:162
1645799212,11cyclictest14789-21ssh13:45:272
16457992116,3cyclictest33-21ksoftirqd/214:15:172
16457992116,3cyclictest33-21ksoftirqd/211:40:282
16457992116,3cyclictest33-21ksoftirqd/208:56:252
16457992115,3cyclictest33-21ksoftirqd/213:05:312
16457992115,3cyclictest33-21ksoftirqd/212:40:042
16457992115,3cyclictest33-21ksoftirqd/209:22:232
16457992115,3cyclictest33-21ksoftirqd/209:03:022
16457992113,5cyclictest6396-21grep13:35:402
1645299213,10cyclictest11535-21ssh14:15:271
16452992116,3cyclictest9059-21ssh14:11:411
16452992116,3cyclictest25-21ksoftirqd/112:52:551
16452992116,3cyclictest25-21ksoftirqd/111:55:381
16452992114,4cyclictest16245-21sh10:00:251
16452992113,6cyclictest0-21swapper/112:28:291
16448992116,3cyclictest9-21ksoftirqd/011:20:130
16448992115,3cyclictest9-21ksoftirqd/012:47:000
16448992114,4cyclictest19511-21phc2sys10:05:310
146722210,4sleep11645299cyclictest12:38:221
16457992015,3cyclictest33-21ksoftirqd/209:41:502
16457992015,3cyclictest33-21ksoftirqd/209:41:502
1645799201,4cyclictest12997-21snmp_o5powerctl14:15:422
16457992014,3cyclictest7150-21sh11:57:022
16457992014,3cyclictest6710-21sh12:30:282
16457992014,3cyclictest33-21ksoftirqd/209:31:502
16457992014,3cyclictest29001-21grep11:45:432
16457992013,4cyclictest421-21fschecks_count10:35:272
16457992013,4cyclictest3548-21sh13:00:292
16457992013,4cyclictest31020-21missed_timers11:15:352
16457992013,4cyclictest20986-21cut11:05:302
16457992013,4cyclictest16156-21bc12:40:272
16457992013,4cyclictest1560-21bc12:25:242
16457992013,4cyclictest11220-21ptp4l13:40:392
1645799200,17cyclictest16726-21grep11:00:422
1645299202,15cyclictest14717-21unixbench_singl13:10:431
16452992015,3cyclictest0-21swapper/113:31:281
16452992014,4cyclictest25-21ksoftirqd/109:16:521
16452992013,4cyclictest4246-21latency_hist11:55:131
16452992013,4cyclictest25-21ksoftirqd/108:59:051
1645299201,16cyclictest4614-21snmp_o5powerctl13:00:391
16448992014,3cyclictest19131-21gpgconf12:10:150
16448992014,3cyclictest1694-21/usr/sbin/munin09:30:290
16448992014,3cyclictest1384-21cron14:05:160
16448992014,3cyclictest1055-21runrttasks14:20:330
16448992014,3cyclictest1055-21runrttasks12:54:380
16448992013,4cyclictest9367-21diskmemload13:22:410
16448992013,4cyclictest30627-21if_err_enp1s0.111:15:320
16457991914,3cyclictest33-21ksoftirqd/213:50:402
16457991913,3cyclictest33-21ksoftirqd/209:12:172
16457991913,3cyclictest26195-21unixbench-2d13:55:442
16457991913,3cyclictest24785-21idleruntime12:15:312
16457991912,4cyclictest33-21ksoftirqd/213:26:172
16457991912,4cyclictest33-21ksoftirqd/213:26:172
16452991914,3cyclictest25-21ksoftirqd/112:45:291
16452991914,3cyclictest25-21ksoftirqd/110:06:171
16452991914,3cyclictest22565-21/usr/sbin/munin13:20:271
16452991913,3cyclictest370-21missed_timers09:25:311
16452991913,3cyclictest25-21ksoftirqd/109:21:321
16452991912,4cyclictest5996-21kernelversion13:35:361
16452991912,4cyclictest22233-21ls10:10:411
16452991912,4cyclictest17223-21sh12:40:351
1645299190,17cyclictest0-21swapper/110:25:321
1645299190,16cyclictest30782-21cut11:15:331
16448991914,3cyclictest24419-21/usr/sbin/munin09:10:340
16448991913,4cyclictest19662-21/usr/sbin/munin09:00:270
16448991913,3cyclictest22324-21expr09:05:230
16448991912,4cyclictest26852-21date09:15:100
1645799181,5cyclictest121rcu_preempt10:01:182
16457991813,3cyclictest7226-21/usr/sbin/munin10:50:352
16452991812,3cyclictest1055-21runrttasks13:46:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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