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2026-01-09 - 23:46
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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 Fri Jan 09, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3271621780,5sleep32343499cyclictest09:40:483
3064821700,4sleep32343499cyclictest11:16:283
1169021540,4sleep22342899cyclictest10:57:242
2425821440,5sleep02341899cyclictest11:10:500
2185121180,4sleep20-21swapper/207:20:462
106891990,4ptp4l401ktimersoftd/307:24:303
281152870,2sleep10-21swapper/110:41:011
141652710,5sleep014168-21irqrtprio08:10:490
106891700,1ptp4l401ktimersoftd/311:44:053
238352670,3sleep10-21swapper/107:25:411
106891670,1ptp4l401ktimersoftd/309:53:193
106891640,2ptp4l401ktimersoftd/308:23:073
106891620,1ptp4l401ktimersoftd/308:35:423
106891610,1ptp4l401ktimersoftd/307:40:293
272812590,2sleep10-21swapper/111:14:051
285222580,5sleep1241ktimersoftd/110:09:291
231692584,10sleep10-21swapper/107:23:371
106891570,1ptp4l401ktimersoftd/312:18:183
23252560,2sleep20-21swapper/211:20:562
112712550,1sleep211272-21sh12:04:122
106891550,1ptp4l401ktimersoftd/310:04:413
106891550,1ptp4l401ktimersoftd/309:47:483
218552520,2sleep10-21swapper/112:48:031
106891520,1ptp4l401ktimersoftd/309:09:313
23422994540,3cyclictest25-21ksoftirqd/111:30:461
23422994539,3cyclictest25-21ksoftirqd/112:40:491
178962450,2sleep30-21swapper/312:44:323
106891450,1ptp4l401ktimersoftd/312:47:503
23422994439,3cyclictest25-21ksoftirqd/109:45:421
23422994437,4cyclictest25-21ksoftirqd/111:35:461
106891440,2ptp4l11053-21kworker/3:212:01:083
23422994136,3cyclictest25-21ksoftirqd/107:50:401
23422994136,3cyclictest25-21ksoftirqd/107:35:391
23422994134,4cyclictest25-21ksoftirqd/108:20:391
23422994134,4cyclictest25-21ksoftirqd/107:45:401
23422994121,11cyclictest25-21ksoftirqd/112:10:511
23422994033,4cyclictest25-21ksoftirqd/111:05:471
106891400,1ptp4l401ktimersoftd/311:34:143
106891400,1ptp4l401ktimersoftd/309:31:123
106891400,0ptp4l401ktimersoftd/311:25:453
23434993929,5cyclictest41-21ksoftirqd/310:25:443
23422993934,3cyclictest25-21ksoftirqd/110:15:421
23422993933,3cyclictest25-21ksoftirqd/108:25:411
106891390,1ptp4l401ktimersoftd/311:05:293
106891390,1ptp4l401ktimersoftd/309:37:113
106891390,1ptp4l401ktimersoftd/309:23:413
23422993832,4cyclictest25-21ksoftirqd/111:15:441
106891380,1ptp4l401ktimersoftd/309:59:453
106891380,0ptp4l401ktimersoftd/310:47:433
23422993731,3cyclictest25-21ksoftirqd/110:45:371
23418993731,3cyclictest101ktimersoftd/008:15:450
106891370,1ptp4l401ktimersoftd/312:50:413
106891370,1ptp4l401ktimersoftd/312:32:593
106891370,1ptp4l401ktimersoftd/311:54:073
106891370,1ptp4l401ktimersoftd/311:54:073
106891370,1ptp4l401ktimersoftd/311:05:463
106891370,1ptp4l401ktimersoftd/310:56:273
106891370,1ptp4l401ktimersoftd/310:41:063
106891370,1ptp4l401ktimersoftd/310:21:193
106891370,1ptp4l401ktimersoftd/310:19:163
106891370,1ptp4l401ktimersoftd/309:29:563
106891370,0ptp4l401ktimersoftd/310:31:503
106891370,0ptp4l401ktimersoftd/310:14:573
106891370,0ptp4l401ktimersoftd/310:14:573
23422993630,3cyclictest25-21ksoftirqd/112:00:391
23422993622,3cyclictest25-21ksoftirqd/108:10:591
23418993631,3cyclictest9-21ksoftirqd/010:45:330
23418993626,3cyclictest9-21ksoftirqd/009:25:510
106891360,1ptp4l401ktimersoftd/312:36:583
106891360,1ptp4l401ktimersoftd/307:40:463
106891360,0ptp4l401ktimersoftd/311:36:433
23422993530,3cyclictest25-21ksoftirqd/112:10:351
23422993529,3cyclictest25-21ksoftirqd/111:25:341
23422993528,4cyclictest25-21ksoftirqd/112:35:481
23422993524,9cyclictest25-21ksoftirqd/112:20:501
23422993521,4cyclictest25-21ksoftirqd/109:30:531
106891350,1ptp4l401ktimersoftd/312:29:363
106891350,1ptp4l401ktimersoftd/311:59:543
106891350,1ptp4l401ktimersoftd/311:21:473
106891350,1ptp4l401ktimersoftd/310:50:563
106891350,0ptp4l401ktimersoftd/311:46:413
316522340,4sleep02341899cyclictest08:45:570
23428993429,3cyclictest33-21ksoftirqd/210:15:322
23428993429,3cyclictest33-21ksoftirqd/210:15:322
23422993428,3cyclictest25-21ksoftirqd/109:45:311
23422993427,4cyclictest25-21ksoftirqd/110:00:461
23422993427,4cyclictest25-21ksoftirqd/108:35:421
23422993427,3cyclictest25-21ksoftirqd/111:00:341
2342299341,3cyclictest121rcu_preempt11:50:501
2342299341,3cyclictest121rcu_preempt11:50:501
106891340,2ptp4l28950-21kworker/3:110:10:303
2342299339,4cyclictest25-21ksoftirqd/109:10:541
23422993328,3cyclictest25-21ksoftirqd/112:30:471
23422993328,3cyclictest25-21ksoftirqd/110:30:451
23422993328,3cyclictest25-21ksoftirqd/107:40:521
23422993327,3cyclictest25-21ksoftirqd/112:00:351
23422993327,3cyclictest25-21ksoftirqd/111:25:471
23422993327,3cyclictest25-21ksoftirqd/109:35:461
23422993326,3cyclictest25-21ksoftirqd/110:10:441
23422993326,3cyclictest25-21ksoftirqd/110:10:441
2342299331,7cyclictest121rcu_preempt07:55:571
23418993328,3cyclictest9-21ksoftirqd/007:25:280
106891330,1ptp4l401ktimersoftd/308:58:493
106891330,1ptp4l401ktimersoftd/308:15:533
106891330,1ptp4l401ktimersoftd/307:30:543
106891330,11ptp4l401ktimersoftd/312:21:403
106891330,11ptp4l401ktimersoftd/311:12:243
23422993227,3cyclictest25-21ksoftirqd/112:50:571
23422993226,3cyclictest25-21ksoftirqd/111:41:031
23422993226,3cyclictest25-21ksoftirqd/110:55:491
23422993226,3cyclictest25-21ksoftirqd/110:40:331
23422993226,3cyclictest25-21ksoftirqd/110:21:081
23422993226,3cyclictest25-21ksoftirqd/107:30:451
23418993226,3cyclictest9-21ksoftirqd/012:00:350
106891320,1ptp4l401ktimersoftd/312:14:483
106891320,1ptp4l401ktimersoftd/308:45:033
106891320,1ptp4l401ktimersoftd/308:05:423
106891320,11ptp4l401ktimersoftd/308:28:523
23428993126,3cyclictest33-21ksoftirqd/207:55:282
23422993126,3cyclictest25-21ksoftirqd/109:00:481
23422993126,3cyclictest25-21ksoftirqd/108:10:291
23422993126,3cyclictest25-21ksoftirqd/108:00:391
23422993125,3cyclictest25-21ksoftirqd/112:25:531
23422993125,3cyclictest25-21ksoftirqd/109:30:321
23422993125,3cyclictest25-21ksoftirqd/108:45:471
23422993125,3cyclictest25-21ksoftirqd/108:20:291
23422993124,3cyclictest25-21ksoftirqd/110:25:511
23422993118,10cyclictest25-21ksoftirqd/109:56:001
23422993116,4cyclictest25-21ksoftirqd/112:15:561
23422993111,10cyclictest25-21ksoftirqd/109:53:081
23418993126,3cyclictest9-21ksoftirqd/010:00:310
23418993125,3cyclictest9-21ksoftirqd/010:21:020
23418993125,3cyclictest9-21ksoftirqd/009:25:310
106891310,1ptp4l401ktimersoftd/309:01:503
106891310,1ptp4l401ktimersoftd/308:46:483
106891310,1ptp4l401ktimersoftd/307:29:153
106891310,10ptp4l401ktimersoftd/307:46:133
23422993025,3cyclictest25-21ksoftirqd/109:05:481
23422993024,3cyclictest25-21ksoftirqd/111:50:341
23422993024,3cyclictest25-21ksoftirqd/108:30:481
23422993024,3cyclictest25-21ksoftirqd/108:30:481
23422993024,3cyclictest14410-21cron09:20:311
23418993024,4cyclictest9-21ksoftirqd/012:35:360
23418993024,3cyclictest9-21ksoftirqd/012:15:350
106891300,0ptp4l401ktimersoftd/310:36:053
106891300,0ptp4l401ktimersoftd/308:31:323
106891300,0ptp4l401ktimersoftd/308:31:323
23428992924,3cyclictest33-21ksoftirqd/210:55:332
23428992923,4cyclictest33-21ksoftirqd/212:40:582
23422992924,3cyclictest25-21ksoftirqd/110:52:011
23422992924,3cyclictest25-21ksoftirqd/109:20:501
23422992923,4cyclictest25-21ksoftirqd/108:50:401
23422992921,6cyclictest25-21ksoftirqd/108:45:301
2341899295,3cyclictest121rcu_preempt12:48:190
23418992924,3cyclictest9-21ksoftirqd/010:40:330
23418992924,3cyclictest9-21ksoftirqd/010:26:000
23418992924,3cyclictest9-21ksoftirqd/007:35:290
23418992923,3cyclictest9-21ksoftirqd/012:36:040
23418992923,3cyclictest9-21ksoftirqd/012:21:030
23418992923,3cyclictest9-21ksoftirqd/011:50:460
23418992923,3cyclictest9-21ksoftirqd/011:50:460
23418992923,3cyclictest9-21ksoftirqd/010:35:330
23418992923,3cyclictest9-21ksoftirqd/008:05:420
23418992921,3cyclictest9-21ksoftirqd/010:05:440
23428992823,3cyclictest33-21ksoftirqd/209:30:322
23428992822,3cyclictest33-21ksoftirqd/212:37:402
23422992823,3cyclictest25-21ksoftirqd/108:55:481
23418992823,3cyclictest9-21ksoftirqd/012:55:360
23418992823,3cyclictest9-21ksoftirqd/012:41:060
23418992823,3cyclictest9-21ksoftirqd/012:26:040
23418992823,3cyclictest9-21ksoftirqd/012:05:340
23418992823,3cyclictest9-21ksoftirqd/011:35:450
23418992823,3cyclictest9-21ksoftirqd/011:30:530
23418992823,3cyclictest9-21ksoftirqd/011:10:340
23418992823,3cyclictest9-21ksoftirqd/010:45:490
23418992823,3cyclictest9-21ksoftirqd/010:15:440
23418992823,3cyclictest9-21ksoftirqd/008:00:290
23418992822,4cyclictest9-21ksoftirqd/011:15:560
23418992822,3cyclictest9-21ksoftirqd/011:41:030
23418992822,3cyclictest9-21ksoftirqd/009:50:420
23418992822,3cyclictest9-21ksoftirqd/009:50:320
23418992822,3cyclictest9-21ksoftirqd/009:40:510
23418992822,3cyclictest9-21ksoftirqd/009:35:320
23418992822,3cyclictest9-21ksoftirqd/009:00:310
23418992822,3cyclictest9-21ksoftirqd/008:50:450
23428992721,3cyclictest33-21ksoftirqd/209:51:552
23428992721,3cyclictest33-21ksoftirqd/207:45:462
23428992720,4cyclictest33-21ksoftirqd/208:50:302
23428992714,7cyclictest321ktimersoftd/207:40:412
2342899271,19cyclictest47150irq/102-ens3-Tx12:05:452
23418992722,3cyclictest9-21ksoftirqd/012:05:520
23418992722,3cyclictest9-21ksoftirqd/011:26:030
23418992722,3cyclictest9-21ksoftirqd/011:20:470
23418992722,3cyclictest9-21ksoftirqd/009:35:490
23418992722,3cyclictest9-21ksoftirqd/007:50:470
23418992721,3cyclictest9-21ksoftirqd/010:55:510
23418992721,3cyclictest9-21ksoftirqd/009:10:460
23418992721,3cyclictest9-21ksoftirqd/008:40:460
23418992721,3cyclictest9-21ksoftirqd/008:00:460
23418992720,4cyclictest9-21ksoftirqd/008:31:080
23418992720,4cyclictest9-21ksoftirqd/008:31:080
2341899270,4cyclictest0-21swapper/012:18:260
106891270,1ptp4l401ktimersoftd/309:18:373
23434992619,4cyclictest41-21ksoftirqd/307:52:453
2342899264,13cyclictest30119-21ssh11:50:452
2342899264,13cyclictest30119-21ssh11:50:452
2342899263,3cyclictest121rcu_preempt11:43:052
23428992620,4cyclictest33-21ksoftirqd/211:39:352
23428992620,4cyclictest33-21ksoftirqd/208:28:332
23428992620,3cyclictest33-21ksoftirqd/208:21:222
23428992619,4cyclictest33-21ksoftirqd/208:11:312
23428992619,4cyclictest33-21ksoftirqd/207:29:562
23418992621,3cyclictest9-21ksoftirqd/010:00:510
23418992621,3cyclictest9-21ksoftirqd/009:05:510
23418992621,3cyclictest25161-1kworker/u9:111:50:020
23418992620,3cyclictest9-21ksoftirqd/011:00:520
23418992620,3cyclictest9-21ksoftirqd/007:41:260
106891260,1ptp4l401ktimersoftd/308:13:523
23428992519,3cyclictest33-21ksoftirqd/210:01:482
23428992518,4cyclictest33-21ksoftirqd/209:21:202
23428992518,4cyclictest18529-21unixbench_singl10:31:012
23418992520,3cyclictest9-21ksoftirqd/010:55:330
23418992520,3cyclictest9-21ksoftirqd/010:11:000
23418992520,3cyclictest9-21ksoftirqd/010:11:000
23418992520,3cyclictest9-21ksoftirqd/008:35:430
23418992519,3cyclictest9-21ksoftirqd/008:20:410
106891250,1ptp4l401ktimersoftd/308:54:413
2342899249,8cyclictest23723-21apt-get12:50:462
23428992419,3cyclictest33-21ksoftirqd/211:45:522
23428992418,3cyclictest33-21ksoftirqd/208:06:552
23428992418,3cyclictest33-21ksoftirqd/207:55:412
23428992418,3cyclictest33-21ksoftirqd/207:31:252
23428992418,3cyclictest24611-21tail08:30:582
23428992418,3cyclictest24611-21tail08:30:582
23428992417,4cyclictest33-21ksoftirqd/209:04:342
23418992419,3cyclictest9-21ksoftirqd/008:25:420
23418992418,3cyclictest9-21ksoftirqd/009:00:310
23418992418,3cyclictest9-21ksoftirqd/007:25:570
23418992417,4cyclictest9-21ksoftirqd/007:38:570
106891240,1ptp4l401ktimersoftd/312:05:463
106891240,1ptp4l401ktimersoftd/309:10:593
106891240,1ptp4l401ktimersoftd/308:00:403
73752230,2sleep20-21swapper/211:26:032
23428992318,3cyclictest33-21ksoftirqd/212:30:532
23428992318,3cyclictest33-21ksoftirqd/211:55:532
23428992317,3cyclictest33-21ksoftirqd/210:37:562
23428992317,3cyclictest33-21ksoftirqd/210:19:542
23428992317,3cyclictest33-21ksoftirqd/209:05:382
23428992316,4cyclictest33-21ksoftirqd/209:48:022
23418992318,3cyclictest9-21ksoftirqd/009:15:450
106891230,1ptp4l401ktimersoftd/307:55:463
2342899222,7cyclictest17301-21apt-get12:10:472
23428992217,3cyclictest33-21ksoftirqd/209:59:102
23428992215,4cyclictest33-21ksoftirqd/208:58:362
23428992215,4cyclictest33-21ksoftirqd/208:51:582
23428992215,4cyclictest33-21ksoftirqd/208:42:062
23428992214,4cyclictest31811-21cstates10:45:462
23428992213,5cyclictest11423-21latency_hist10:25:332
23428992116,3cyclictest12040-21awk09:15:312
23428992114,4cyclictest33-21ksoftirqd/212:22:272
23428992112,6cyclictest20298-21python12:45:592
23428992015,3cyclictest33-21ksoftirqd/211:30:502
23428992014,3cyclictest8673-21/usr/sbin/munin08:00:432
23428992014,3cyclictest16570-21sh11:02:232
23428992013,4cyclictest33-21ksoftirqd/207:39:192
23428992013,4cyclictest31835-21sh11:18:322
23428992013,4cyclictest31001-21sh09:38:562
23428992013,4cyclictest26896-21timerwakeupswit08:35:582
23428992013,4cyclictest26306-21sh09:34:412
23428992013,4cyclictest20390-21threads11:06:022
23428992013,4cyclictest1808-21sh12:26:542
23428992012,6cyclictest33-21ksoftirqd/211:10:552
2342899194,9cyclictest15868-21apt-get08:15:412
23428991913,4cyclictest33-21ksoftirqd/209:42:402
23428991913,4cyclictest23875-21sed12:16:022
23428991912,4cyclictest26017-21mailstats10:05:542
23428991912,4cyclictest13002-21irqrtprio09:15:482
23428991910,3cyclictest26725-21cstates10:40:462
23418991913,3cyclictest9-21ksoftirqd/007:45:410
23428991812,3cyclictest11913-21cpuspeed_turbos10:25:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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