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2026-09-10 - 18:28
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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 Thu Sep 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285021820,5sleep12734999cyclictest11:00:451
1068911250,8ptp4l25023-21kworker/3:209:38:013
108532860,2sleep00-21swapper/012:02:310
306082670,1sleep20-21swapper/214:01:132
270312654,9sleep00-21swapper/009:37:490
147742630,2sleep10-21swapper/114:19:431
279872620,2sleep00-21swapper/015:05:510
279872620,2sleep00-21swapper/015:05:510
27349996154,3cyclictest25-21ksoftirqd/114:45:411
27349995750,4cyclictest25-21ksoftirqd/113:45:421
27349995649,3cyclictest25-21ksoftirqd/109:50:371
27349995649,3cyclictest25-21ksoftirqd/109:50:371
27349995649,3cyclictest25-21ksoftirqd/109:45:361
27349995649,3cyclictest25-21ksoftirqd/109:45:361
27349995346,4cyclictest25-21ksoftirqd/113:10:401
152422530,1sleep215244-21rm13:45:512
2736399528,12cyclictest31193-21awk10:50:543
27349994941,4cyclictest25-21ksoftirqd/111:20:401
27349994841,3cyclictest25-21ksoftirqd/110:25:371
2736399471,13cyclictest25268-21sed13:55:563
2736399462,14cyclictest17427-21diskstats13:15:433
2736399462,14cyclictest17427-21diskstats13:15:433
2736399456,6cyclictest278892sleep311:46:243
27349994537,4cyclictest25-21ksoftirqd/112:35:411
27349994437,3cyclictest25-21ksoftirqd/110:40:301
27349994422,8cyclictest25-21ksoftirqd/110:50:411
27349994422,4cyclictest25-21ksoftirqd/111:05:541
2736399421,12cyclictest20465-21diskmemload12:08:403
27349994235,3cyclictest25-21ksoftirqd/114:30:421
27349994217,4cyclictest25-21ksoftirqd/111:40:451
27349994212,7cyclictest25-21ksoftirqd/112:45:291
106891420,1ptp4l401ktimersoftd/314:23:033
2734999413,4cyclictest121rcu_preempt13:00:291
27349994130,5cyclictest25-21ksoftirqd/112:15:391
27349994117,4cyclictest25-21ksoftirqd/112:52:231
27349994117,4cyclictest25-21ksoftirqd/111:50:551
27349994115,4cyclictest25-21ksoftirqd/113:00:311
2734999409,8cyclictest25-21ksoftirqd/113:35:301
27349994033,3cyclictest25-21ksoftirqd/113:35:351
27349994029,3cyclictest25-21ksoftirqd/114:25:311
27349994025,3cyclictest25-21ksoftirqd/110:55:491
27349994015,4cyclictest25-21ksoftirqd/111:55:461
27349994012,5cyclictest25-21ksoftirqd/114:56:011
106891400,1ptp4l401ktimersoftd/313:10:023
106891400,1ptp4l401ktimersoftd/312:33:373
106891400,1ptp4l401ktimersoftd/311:44:353
308702390,2sleep10-21swapper/114:35:491
27349993916,4cyclictest25-21ksoftirqd/110:35:421
27349993915,4cyclictest25-21ksoftirqd/114:40:421
106891390,1ptp4l401ktimersoftd/312:55:413
106891390,1ptp4l401ktimersoftd/312:10:503
27349993829,3cyclictest25-21ksoftirqd/114:00:451
27349993827,3cyclictest25-21ksoftirqd/113:20:411
2734999382,3cyclictest121rcu_preempt15:05:321
27349993822,13cyclictest25-21ksoftirqd/114:10:301
27349993813,4cyclictest25-21ksoftirqd/112:20:401
27349993813,4cyclictest25-21ksoftirqd/111:45:431
106891380,1ptp4l401ktimersoftd/314:53:103
106891380,1ptp4l401ktimersoftd/314:41:443
106891380,1ptp4l401ktimersoftd/314:36:503
106891380,1ptp4l401ktimersoftd/313:53:323
106891380,1ptp4l401ktimersoftd/313:47:053
106891380,1ptp4l401ktimersoftd/313:33:303
106891380,1ptp4l401ktimersoftd/312:41:023
106891380,1ptp4l401ktimersoftd/312:40:013
106891380,0ptp4l401ktimersoftd/314:31:593
106891380,0ptp4l401ktimersoftd/313:12:493
2734999374,3cyclictest25-21ksoftirqd/114:10:511
27349993730,3cyclictest25-21ksoftirqd/113:50:411
27349993727,3cyclictest25-21ksoftirqd/114:25:581
27349993725,4cyclictest25-21ksoftirqd/115:05:361
27349993725,4cyclictest25-21ksoftirqd/115:05:361
27349993721,12cyclictest25-21ksoftirqd/114:55:311
27349993720,3cyclictest25-21ksoftirqd/110:45:381
106891370,1ptp4l401ktimersoftd/314:25:343
106891370,1ptp4l401ktimersoftd/314:19:203
106891370,1ptp4l401ktimersoftd/314:11:153
106891370,1ptp4l401ktimersoftd/314:06:303
106891370,1ptp4l401ktimersoftd/314:04:523
106891370,1ptp4l401ktimersoftd/313:44:033
106891370,1ptp4l401ktimersoftd/313:36:483
106891370,1ptp4l401ktimersoftd/313:28:003
106891370,1ptp4l401ktimersoftd/313:21:443
106891370,1ptp4l401ktimersoftd/312:47:283
106891370,1ptp4l401ktimersoftd/311:51:043
106891370,1ptp4l401ktimersoftd/310:30:413
106891370,1ptp4l401ktimersoftd/310:30:173
106891370,0ptp4l401ktimersoftd/311:56:003
27349993627,4cyclictest25-21ksoftirqd/110:30:391
27349993615,4cyclictest25-21ksoftirqd/111:10:441
2734999361,4cyclictest121rcu_preempt12:45:441
27349993611,4cyclictest25-21ksoftirqd/112:00:381
118832360,4sleep22735799cyclictest14:50:192
106891360,1ptp4l401ktimersoftd/315:09:533
106891360,1ptp4l401ktimersoftd/315:09:533
106891360,1ptp4l401ktimersoftd/315:01:183
106891360,1ptp4l401ktimersoftd/315:01:183
106891360,1ptp4l401ktimersoftd/312:51:213
106891360,1ptp4l401ktimersoftd/312:26:323
106891360,1ptp4l401ktimersoftd/312:16:193
106891360,1ptp4l401ktimersoftd/312:00:303
106891360,0ptp4l401ktimersoftd/314:57:533
106891360,0ptp4l401ktimersoftd/311:14:053
106891360,0ptp4l401ktimersoftd/310:03:433
27349993529,3cyclictest25-21ksoftirqd/112:30:281
27349993525,3cyclictest25-21ksoftirqd/115:01:201
2734999351,3cyclictest121rcu_preempt13:55:581
2734999351,3cyclictest121rcu_preempt10:00:251
27349993512,4cyclictest25-21ksoftirqd/112:05:431
27349993511,4cyclictest25-21ksoftirqd/113:27:071
27349993510,7cyclictest25-21ksoftirqd/111:35:401
2734999350,2cyclictest121rcu_preempt12:30:331
106891350,1ptp4l401ktimersoftd/310:39:003
102942350,4sleep12734999cyclictest13:40:521
27349993428,3cyclictest25-21ksoftirqd/113:10:291
27349993425,6cyclictest25-21ksoftirqd/112:15:281
27349993422,3cyclictest25-21ksoftirqd/111:15:411
27349993422,10cyclictest25-21ksoftirqd/110:20:381
27349993414,7cyclictest25-21ksoftirqd/109:40:371
27349993414,7cyclictest25-21ksoftirqd/109:40:371
27349993410,3cyclictest25-21ksoftirqd/110:15:421
2734999340,3cyclictest121rcu_preempt10:00:411
2719023412,10sleep20-21swapper/209:39:532
27349993328,3cyclictest25-21ksoftirqd/110:05:511
27349993311,4cyclictest25-21ksoftirqd/113:15:461
27349993311,4cyclictest25-21ksoftirqd/113:15:461
2735799326,3cyclictest153462rm13:13:042
27349993226,3cyclictest25-21ksoftirqd/110:10:371
27357993124,4cyclictest33-21ksoftirqd/214:10:302
27357993124,4cyclictest33-21ksoftirqd/213:50:422
27349993125,3cyclictest25-21ksoftirqd/111:25:451
27349993113,5cyclictest25-21ksoftirqd/109:40:241
77812300,3sleep0101ktimersoftd/012:32:020
27349993024,3cyclictest25-21ksoftirqd/111:30:401
27349993024,3cyclictest25-21ksoftirqd/111:30:401
27342993024,3cyclictest9-21ksoftirqd/010:35:390
27342992922,4cyclictest9-21ksoftirqd/011:10:260
27342992918,8cyclictest17721-21sort10:25:400
267502290,4sleep02734299cyclictest13:57:580
177432290,4sleep0101ktimersoftd/014:21:260
2736399285,7cyclictest9978-21ssh14:47:023
2736399285,19cyclictest10409-21cut10:10:393
2736399284,7cyclictest4520-21ssh13:01:153
27357992823,3cyclictest33-21ksoftirqd/212:10:402
27357992819,6cyclictest33-21ksoftirqd/211:55:382
27342992823,3cyclictest9-21ksoftirqd/013:00:280
27342992823,3cyclictest9-21ksoftirqd/012:25:450
27342992822,3cyclictest9-21ksoftirqd/013:05:470
13992280,2sleep00-21swapper/014:05:440
121632280,1sleep00-21swapper/014:15:520
2736399275,6cyclictest27589-21ssh12:20:353
27363992716,5cyclictest24725-21apt-get10:40:373
27342992722,3cyclictest9-21ksoftirqd/015:05:320
27342992722,3cyclictest9-21ksoftirqd/015:05:320
27342992722,3cyclictest9-21ksoftirqd/013:35:290
27342992722,3cyclictest9-21ksoftirqd/013:00:470
27342992722,3cyclictest9-21ksoftirqd/012:10:560
27342992722,3cyclictest9-21ksoftirqd/011:55:420
27342992721,3cyclictest31957-21cut10:55:390
27363992614,6cyclictest16038-21apt-get11:30:383
27363992614,6cyclictest16038-21apt-get11:30:383
27357992620,3cyclictest33-21ksoftirqd/214:52:482
27357992619,4cyclictest33-21ksoftirqd/210:28:222
27357992619,4cyclictest33-21ksoftirqd/210:14:092
27342992621,3cyclictest9-21ksoftirqd/014:50:490
27342992621,3cyclictest9-21ksoftirqd/011:40:400
27342992621,3cyclictest9-21ksoftirqd/010:50:260
27342992620,4cyclictest9-21ksoftirqd/013:50:430
27342992620,3cyclictest9-21ksoftirqd/014:45:480
27342992620,3cyclictest9-21ksoftirqd/013:40:450
27357992520,3cyclictest33-21ksoftirqd/214:56:142
27357992519,3cyclictest33-21ksoftirqd/209:50:552
27357992519,3cyclictest33-21ksoftirqd/209:50:552
27357992518,4cyclictest33-21ksoftirqd/210:50:142
27357992518,4cyclictest33-21ksoftirqd/210:31:152
27357992518,4cyclictest33-21ksoftirqd/210:19:232
2734299253,14cyclictest20465-21diskmemload11:50:370
27342992520,3cyclictest9-21ksoftirqd/014:45:310
27342992520,3cyclictest9-21ksoftirqd/014:35:500
27342992520,3cyclictest9-21ksoftirqd/011:20:460
27342992520,3cyclictest9-21ksoftirqd/011:00:430
27342992520,3cyclictest9-21ksoftirqd/010:10:470
27342992519,3cyclictest9-21ksoftirqd/014:30:310
27342992519,3cyclictest9-21ksoftirqd/009:57:200
27342992519,3cyclictest9-21ksoftirqd/009:55:240
27342992519,3cyclictest9-21ksoftirqd/009:55:240
27342992518,4cyclictest9-21ksoftirqd/009:43:560
27342992518,4cyclictest9-21ksoftirqd/009:43:560
27363992419,3cyclictest41-21ksoftirqd/310:56:123
2735799244,9cyclictest24920-21ssh12:50:392
2735799242,7cyclictest121rcu_preempt11:03:172
27357992418,3cyclictest33-21ksoftirqd/210:58:302
27357992417,4cyclictest33-21ksoftirqd/211:13:512
27357992417,4cyclictest33-21ksoftirqd/211:07:162
2734299243,6cyclictest121rcu_preempt12:35:570
27342992419,3cyclictest9-21ksoftirqd/014:00:520
27342992419,3cyclictest9-21ksoftirqd/012:05:430
27342992418,3cyclictest9-21ksoftirqd/011:32:060
27342992418,3cyclictest9-21ksoftirqd/011:32:060
27342992418,3cyclictest9-21ksoftirqd/010:53:560
27342992418,3cyclictest9-21ksoftirqd/010:23:220
27342992418,3cyclictest9-21ksoftirqd/010:15:360
182502240,2sleep00-21swapper/014:55:510
106891240,1ptp4l401ktimersoftd/311:20:573
106891240,1ptp4l401ktimersoftd/311:05:503
106891240,1ptp4l401ktimersoftd/311:00:413
106891240,1ptp4l401ktimersoftd/310:20:293
106891240,1ptp4l401ktimersoftd/310:15:523
106891240,1ptp4l401ktimersoftd/310:05:473
106891240,1ptp4l401ktimersoftd/309:55:373
106891240,1ptp4l401ktimersoftd/309:40:483
106891240,1ptp4l401ktimersoftd/309:40:483
27363992316,4cyclictest32190-21grep09:45:523
27363992316,4cyclictest32190-21grep09:45:523
27357992317,3cyclictest33-21ksoftirqd/214:44:482
27357992317,3cyclictest33-21ksoftirqd/211:17:202
27357992317,3cyclictest33-21ksoftirqd/209:50:062
27357992317,3cyclictest33-21ksoftirqd/209:50:062
27357992316,4cyclictest33-21ksoftirqd/214:20:322
27357992316,4cyclictest33-21ksoftirqd/211:37:072
27357992316,4cyclictest33-21ksoftirqd/211:33:502
27357992316,4cyclictest33-21ksoftirqd/211:33:502
27357992316,4cyclictest33-21ksoftirqd/210:04:372
27357992316,4cyclictest33-21ksoftirqd/209:42:332
27357992316,4cyclictest33-21ksoftirqd/209:42:332
27342992318,3cyclictest9-21ksoftirqd/010:05:250
27342992318,3cyclictest9-21ksoftirqd/009:45:280
27342992318,3cyclictest9-21ksoftirqd/009:45:280
27342992318,3cyclictest15818-1kworker/u9:113:22:570
27342992317,3cyclictest9-21ksoftirqd/013:25:480
27342992317,3cyclictest9-21ksoftirqd/012:50:280
27342992316,4cyclictest9-21ksoftirqd/010:41:130
1437222316,3sleep341-21ksoftirqd/311:25:453
106891230,1ptp4l401ktimersoftd/311:15:373
106891230,1ptp4l401ktimersoftd/310:45:453
106891230,1ptp4l401ktimersoftd/309:50:403
106891230,1ptp4l401ktimersoftd/309:50:403
106891230,0ptp4l401ktimersoftd/311:35:393
2735799224,9cyclictest27228-21ssh15:05:452
2735799224,9cyclictest27228-21ssh15:05:452
27357992216,3cyclictest33-21ksoftirqd/213:36:262
27357992216,3cyclictest33-21ksoftirqd/210:55:142
27357992216,3cyclictest21336-21find12:45:512
27357992215,4cyclictest27708-21sh13:59:362
27357992215,4cyclictest26660-21sh12:19:252
27357992214,4cyclictest26751-21acpi13:25:392
2735799221,18cyclictest10917-21grep13:41:012
2735799220,3cyclictest121rcu_preempt14:32:092
2734299222,17cyclictest9629-21sed11:15:440
27342992217,3cyclictest8389-1kworker/u9:013:49:010
27342992216,3cyclictest9-21ksoftirqd/011:26:290
27342992216,3cyclictest26480-21irqrtprio11:45:450
2735799219,9cyclictest11617-21fschecks_time11:20:432
27357992115,3cyclictest9603-21sh13:06:332
27357992115,3cyclictest33-21ksoftirqd/213:16:442
27357992115,3cyclictest33-21ksoftirqd/213:16:442
27357992115,3cyclictest33-21ksoftirqd/210:21:522
27357992114,4cyclictest33-21ksoftirqd/210:43:482
27357992114,4cyclictest31990-21sh12:25:082
27357992114,4cyclictest2929-21sh12:27:292
27357992114,4cyclictest27670-21sh11:46:012
27357992114,4cyclictest22987-21sh14:27:062
27357992114,4cyclictest18361-21sh12:43:252
2735799211,3cyclictest121rcu_preempt11:50:452
27357992113,4cyclictest31991-21unixbench_multi14:36:002
2735799211,17cyclictest5025-21sh10:00:242
27342992116,3cyclictest9-21ksoftirqd/011:35:450
27342992115,3cyclictest9-21ksoftirqd/010:31:050
27342992115,3cyclictest17627-21kworker/0:212:40:450
2734299211,17cyclictest0-21swapper/013:10:480
2735799206,12cyclictest3364-21irqrtprio13:00:472
27357992014,3cyclictest9939-21sh12:00:572
27357992014,3cyclictest8576-21irqstats10:05:422
27357992014,3cyclictest5173-21sh12:30:342
27357992014,3cyclictest33-21ksoftirqd/211:44:342
27357992014,3cyclictest32338-21sh12:57:082
27357992014,3cyclictest10631-21gltestperf12:35:442
27357992013,4cyclictest8138-21sh14:11:362
27357992013,4cyclictest23978-21sh13:21:142
27357992013,4cyclictest1575-21sh13:31:442
27357992013,4cyclictest13074-21grep12:05:382
27342992015,3cyclictest9-21ksoftirqd/013:15:470
27342992015,3cyclictest9-21ksoftirqd/013:15:470
27342992015,3cyclictest9-21ksoftirqd/012:15:400
27342992015,3cyclictest7424-21sed11:10:460
27342992014,3cyclictest6463-21hddtemp_smartct14:10:460
27342992014,3cyclictest31165-21sh12:23:430
27342992013,4cyclictest26618-21unixbench-2d12:50:560
27342992012,5cyclictest4478-21cut13:35:420
27357991913,3cyclictest33-21ksoftirqd/211:28:222
27357991913,3cyclictest22106-21bc10:35:372
27357991913,3cyclictest10626-21sh14:15:322
27357991912,4cyclictest20465-21diskmemload15:05:072
27357991912,4cyclictest20465-21diskmemload15:05:072
27342991912,4cyclictest20465-21diskmemload14:31:030
27342991712,3cyclictest9-21ksoftirqd/010:05:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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