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2026-06-11 - 16:13
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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 Thu Jun 11, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
550421810,4sleep22609899cyclictest11:07:242
1790921450,3sleep02608999cyclictest13:32:080
2426621340,3sleep12609499cyclictest10:54:381
1068911010,4ptp4l401ktimersoftd/308:47:023
258532810,4sleep12609499cyclictest12:35:081
106891760,1ptp4l401ktimersoftd/313:38:543
257912720,2sleep10-21swapper/111:28:071
35982700,4sleep12609499cyclictest12:45:271
106891670,1ptp4l401ktimersoftd/313:20:423
255162660,17sleep233-21ksoftirqd/212:34:322
138322660,1sleep10-21swapper/112:21:101
106891660,1ptp4l401ktimersoftd/311:42:503
106891640,1ptp4l401ktimersoftd/312:15:163
112112620,2sleep00-21swapper/013:59:300
106891620,1ptp4l401ktimersoftd/312:06:223
281662600,4sleep09-21ksoftirqd/013:10:280
106891600,1ptp4l401ktimersoftd/313:26:073
106891590,1ptp4l401ktimersoftd/310:59:313
111322580,5sleep111127-21sed13:25:341
106891580,1ptp4l401ktimersoftd/312:41:023
106891570,1ptp4l401ktimersoftd/312:28:263
26089995629,4cyclictest9-21ksoftirqd/013:25:360
165402560,3sleep22609899cyclictest11:19:292
106891560,1ptp4l401ktimersoftd/312:54:463
106891560,1ptp4l401ktimersoftd/312:32:433
106891550,1ptp4l401ktimersoftd/314:19:263
106891550,1ptp4l401ktimersoftd/311:01:053
106891540,1ptp4l401ktimersoftd/309:06:243
19392530,2sleep10-21swapper/111:35:581
26089995212,4cyclictest9-21ksoftirqd/013:50:170
26089995114,4cyclictest9-21ksoftirqd/012:24:570
26089995026,3cyclictest9-21ksoftirqd/010:55:140
26089995014,6cyclictest9-21ksoftirqd/014:06:470
26089995014,6cyclictest9-21ksoftirqd/014:06:470
106891500,2ptp4l29473-21kworker/3:013:46:083
2608999498,9cyclictest9-21ksoftirqd/009:50:340
26089994933,3cyclictest9-21ksoftirqd/011:20:420
26089994925,3cyclictest9-21ksoftirqd/009:55:240
26089994912,5cyclictest9-21ksoftirqd/013:20:310
26089994825,3cyclictest9-21ksoftirqd/011:56:110
26089994812,5cyclictest9-21ksoftirqd/013:36:140
26089994812,5cyclictest9-21ksoftirqd/013:20:080
26089994727,3cyclictest9-21ksoftirqd/012:02:080
26089994716,7cyclictest9-21ksoftirqd/012:29:490
26089994713,8cyclictest9-21ksoftirqd/012:44:350
26089994711,8cyclictest9-21ksoftirqd/012:35:260
26089994711,4cyclictest9-21ksoftirqd/013:54:100
26089994711,4cyclictest9-21ksoftirqd/012:49:230
106891470,1ptp4l401ktimersoftd/313:08:453
26094994622,4cyclictest25-21ksoftirqd/113:50:471
2608999469,5cyclictest9-21ksoftirqd/011:37:440
2608999465,5cyclictest9-21ksoftirqd/010:45:430
26089994625,3cyclictest9-21ksoftirqd/012:17:270
26089994613,7cyclictest9-21ksoftirqd/012:51:020
26089994612,8cyclictest9-21ksoftirqd/014:13:560
26089994612,4cyclictest9-21ksoftirqd/013:07:160
26094994527,4cyclictest25-21ksoftirqd/111:00:171
26094994522,4cyclictest25-21ksoftirqd/110:05:251
26094994522,3cyclictest25-21ksoftirqd/113:05:301
26094994520,4cyclictest25-21ksoftirqd/112:55:441
26094994520,4cyclictest25-21ksoftirqd/112:35:321
26094994520,4cyclictest25-21ksoftirqd/112:15:451
26094994519,4cyclictest25-21ksoftirqd/110:55:421
26094994518,4cyclictest25-21ksoftirqd/113:45:311
2608999459,7cyclictest9-21ksoftirqd/011:25:410
26089994511,4cyclictest9-21ksoftirqd/011:01:140
26089994510,4cyclictest9-21ksoftirqd/009:19:140
26094994420,4cyclictest25-21ksoftirqd/113:20:291
26094994420,4cyclictest25-21ksoftirqd/112:08:371
26094994420,3cyclictest25-21ksoftirqd/114:15:451
26094994419,4cyclictest25-21ksoftirqd/111:15:261
26094994419,4cyclictest25-21ksoftirqd/111:05:281
26094994419,4cyclictest25-21ksoftirqd/110:35:351
26094994418,4cyclictest25-21ksoftirqd/113:41:591
26094994418,4cyclictest25-21ksoftirqd/111:40:311
26094994417,4cyclictest25-21ksoftirqd/109:40:281
26094994416,4cyclictest25-21ksoftirqd/114:05:311
26094994416,4cyclictest25-21ksoftirqd/114:05:311
26089994428,4cyclictest9-21ksoftirqd/011:20:150
26089994427,3cyclictest9-21ksoftirqd/012:08:100
26089994427,2cyclictest9-21ksoftirqd/011:07:000
26089994425,4cyclictest9-21ksoftirqd/011:45:490
26089994415,6cyclictest9-21ksoftirqd/014:01:400
26089994415,6cyclictest9-21ksoftirqd/014:01:400
26089994413,7cyclictest9-21ksoftirqd/012:13:120
26089994413,4cyclictest9-21ksoftirqd/010:26:420
26089994413,4cyclictest9-21ksoftirqd/010:26:420
26089994411,8cyclictest9-21ksoftirqd/012:58:100
26089994411,8cyclictest9-21ksoftirqd/011:42:570
26089994410,6cyclictest9-21ksoftirqd/010:10:320
26094994319,4cyclictest25-21ksoftirqd/112:54:391
26094994319,4cyclictest25-21ksoftirqd/110:20:361
26094994317,4cyclictest25-21ksoftirqd/109:45:311
26094994315,4cyclictest25-21ksoftirqd/114:00:461
26094994315,4cyclictest25-21ksoftirqd/114:00:461
2608999436,8cyclictest9-21ksoftirqd/013:40:370
2608999436,4cyclictest9-21ksoftirqd/009:00:320
26089994315,4cyclictest9-21ksoftirqd/014:20:130
26089994310,4cyclictest9-21ksoftirqd/009:36:220
2609499428,10cyclictest25-21ksoftirqd/108:50:111
26094994224,7cyclictest25-21ksoftirqd/111:50:301
26094994219,4cyclictest25-21ksoftirqd/113:36:531
26094994219,4cyclictest25-21ksoftirqd/108:50:221
26094994218,4cyclictest25-21ksoftirqd/109:25:241
26094994216,4cyclictest25-21ksoftirqd/113:10:301
26094994216,4cyclictest25-21ksoftirqd/111:55:421
26094994216,4cyclictest25-21ksoftirqd/111:35:151
26094994216,4cyclictest25-21ksoftirqd/110:45:431
26094994216,4cyclictest25-21ksoftirqd/109:35:301
26094994215,5cyclictest25-21ksoftirqd/111:20:321
26094994215,5cyclictest25-21ksoftirqd/109:15:271
26094994213,7cyclictest25-21ksoftirqd/111:10:331
26094994212,4cyclictest25-21ksoftirqd/109:15:121
2608999429,9cyclictest9-21ksoftirqd/010:40:410
26089994232,3cyclictest9-21ksoftirqd/009:25:370
106891420,1ptp4l401ktimersoftd/312:20:223
26094994119,4cyclictest25-21ksoftirqd/109:55:391
26094994118,4cyclictest25-21ksoftirqd/112:00:301
26094994117,4cyclictest25-21ksoftirqd/110:15:341
26094994117,4cyclictest25-21ksoftirqd/109:50:331
26094994117,3cyclictest25-21ksoftirqd/112:10:371
26094994115,4cyclictest25-21ksoftirqd/112:25:431
26094994113,5cyclictest25-21ksoftirqd/113:30:291
26094994113,4cyclictest25-21ksoftirqd/113:15:321
2608999419,4cyclictest9-21ksoftirqd/011:30:170
2608999416,8cyclictest9-21ksoftirqd/009:10:380
2608999412,7cyclictest9-21ksoftirqd/009:05:230
26089994127,4cyclictest9-21ksoftirqd/011:50:270
26089994126,3cyclictest9-21ksoftirqd/013:03:220
26089994112,6cyclictest9-21ksoftirqd/011:14:590
26089994111,7cyclictest9-21ksoftirqd/010:57:300
26094994028,3cyclictest25-21ksoftirqd/108:55:251
26094994015,4cyclictest25-21ksoftirqd/113:55:331
26094994015,4cyclictest25-21ksoftirqd/110:40:361
26094994015,3cyclictest25-21ksoftirqd/112:40:401
26094994014,4cyclictest25-21ksoftirqd/109:20:321
26094994012,4cyclictest25-21ksoftirqd/113:00:341
2608999407,3cyclictest9-21ksoftirqd/012:34:080
26089994030,3cyclictest9-21ksoftirqd/009:20:400
106891400,1ptp4l401ktimersoftd/312:37:573
26094993917,3cyclictest25-21ksoftirqd/110:00:411
26094993916,3cyclictest25-21ksoftirqd/109:30:321
26094993915,4cyclictest25-21ksoftirqd/114:15:081
26094993915,4cyclictest25-21ksoftirqd/109:00:381
26094993915,3cyclictest25-21ksoftirqd/110:30:131
26094993915,3cyclictest25-21ksoftirqd/110:30:131
26094993911,5cyclictest25-21ksoftirqd/111:45:371
26089993933,3cyclictest9-21ksoftirqd/009:30:160
106891390,1ptp4l401ktimersoftd/313:51:143
106891390,1ptp4l401ktimersoftd/312:10:573
106891390,1ptp4l401ktimersoftd/312:01:283
106891390,1ptp4l401ktimersoftd/311:50:403
106891390,1ptp4l401ktimersoftd/311:24:403
106891390,1ptp4l401ktimersoftd/310:50:583
106891390,1ptp4l401ktimersoftd/309:51:333
26094993814,3cyclictest25-21ksoftirqd/109:05:281
26094993813,4cyclictest25-21ksoftirqd/110:30:321
26094993813,4cyclictest25-21ksoftirqd/110:30:321
2608999387,3cyclictest9-21ksoftirqd/009:40:250
2608999386,8cyclictest9-21ksoftirqd/010:15:300
2608999386,7cyclictest9-21ksoftirqd/008:55:210
2608999386,10cyclictest131rcu_sched08:55:110
2608999383,3cyclictest9-21ksoftirqd/010:05:240
106891380,1ptp4l401ktimersoftd/314:11:403
106891380,1ptp4l401ktimersoftd/314:03:123
106891380,1ptp4l401ktimersoftd/314:03:123
106891380,1ptp4l401ktimersoftd/313:18:273
106891380,1ptp4l401ktimersoftd/313:04:423
106891380,1ptp4l401ktimersoftd/311:31:253
106891380,1ptp4l401ktimersoftd/311:17:463
26089993731,3cyclictest9-21ksoftirqd/010:05:120
26089993727,4cyclictest9-21ksoftirqd/010:20:310
106891370,1ptp4l401ktimersoftd/313:41:283
106891370,1ptp4l401ktimersoftd/313:33:203
106891370,1ptp4l401ktimersoftd/311:48:083
106891370,1ptp4l401ktimersoftd/311:14:243
106891370,0ptp4l401ktimersoftd/312:45:413
26094993612,4cyclictest25-21ksoftirqd/110:10:421
2608999362,8cyclictest9-21ksoftirqd/010:35:350
2575023615,11sleep09-21ksoftirqd/008:47:060
106891360,1ptp4l401ktimersoftd/313:12:453
106891360,0ptp4l401ktimersoftd/310:22:383
26089993528,3cyclictest9-21ksoftirqd/010:30:330
26089993528,3cyclictest9-21ksoftirqd/010:30:330
26089993523,3cyclictest9-21ksoftirqd/009:45:400
106891350,2ptp4l8623-21kworker/3:012:57:433
106891350,1ptp4l401ktimersoftd/314:07:143
106891350,1ptp4l401ktimersoftd/314:07:143
168112340,5sleep216814-21timerwakeupswit10:40:422
106891340,1ptp4l401ktimersoftd/310:30:553
106891340,1ptp4l401ktimersoftd/310:30:553
106891340,11ptp4l401ktimersoftd/311:56:063
2579523311,11sleep233-21ksoftirqd/208:47:412
106891330,2ptp4l28481-21kworker/3:111:39:503
106891330,1ptp4l401ktimersoftd/313:59:243
106891330,1ptp4l401ktimersoftd/309:32:033
106891320,1ptp4l401ktimersoftd/310:42:503
106891320,1ptp4l401ktimersoftd/309:27:333
106891320,1ptp4l401ktimersoftd/308:56:403
106891320,1ptp4l401ktimersoftd/308:53:393
106891310,1ptp4l401ktimersoftd/310:37:373
106891310,1ptp4l28481-21kworker/3:110:45:323
106891310,0ptp4l401ktimersoftd/310:28:073
106891310,0ptp4l401ktimersoftd/310:28:073
106891300,0ptp4l401ktimersoftd/309:15:593
26098992923,4cyclictest33-21ksoftirqd/209:35:122
106891290,1ptp4l401ktimersoftd/310:10:453
26098992822,3cyclictest33-21ksoftirqd/209:15:152
26098992821,4cyclictest33-21ksoftirqd/209:06:522
2275422821,3sleep233-21ksoftirqd/214:10:372
176922280,4sleep32610799cyclictest09:35:363
106891280,1ptp4l401ktimersoftd/309:04:043
26098992714,8cyclictest47150irq/102-ens3-Tx12:35:282
106891270,0ptp4l401ktimersoftd/310:17:233
26107992619,4cyclictest41-21ksoftirqd/309:58:243
26107992619,4cyclictest41-21ksoftirqd/309:21:223
26098992621,3cyclictest33-21ksoftirqd/213:05:322
26098992620,3cyclictest33-21ksoftirqd/212:48:032
26098992620,3cyclictest33-21ksoftirqd/210:00:262
26098992619,4cyclictest33-21ksoftirqd/210:30:222
26098992619,4cyclictest33-21ksoftirqd/210:30:222
106891260,0ptp4l401ktimersoftd/309:45:503
26107992519,3cyclictest41-21ksoftirqd/309:40:233
2609899257,11cyclictest13623-21ssh12:55:272
2609899256,13cyclictest19588-21ssh11:55:262
26098992520,3cyclictest33-21ksoftirqd/211:45:272
26098992520,3cyclictest33-21ksoftirqd/209:40:122
26098992519,3cyclictest33-21ksoftirqd/213:18:152
26098992519,3cyclictest33-21ksoftirqd/211:25:312
26098992519,3cyclictest33-21ksoftirqd/210:46:502
26098992519,3cyclictest33-21ksoftirqd/210:35:442
26098992519,3cyclictest33-21ksoftirqd/210:10:132
26098992519,3cyclictest33-21ksoftirqd/209:59:512
26098992519,3cyclictest33-21ksoftirqd/209:12:522
26098992518,4cyclictest33-21ksoftirqd/213:56:392
26098992518,4cyclictest33-21ksoftirqd/209:50:162
26098992518,4cyclictest12756-21snmp_o5powerctl09:25:382
26098992517,5cyclictest20605-21sed10:50:292
106891250,1ptp4l401ktimersoftd/311:26:093
106891250,1ptp4l401ktimersoftd/311:06:033
106891250,0ptp4l401ktimersoftd/310:01:213
721422417,3sleep233-21ksoftirqd/211:41:422
2609899245,12cyclictest11763-21ssh12:20:292
2609899244,14cyclictest17407-21ssh11:20:242
26098992418,3cyclictest33-21ksoftirqd/213:44:262
26098992418,3cyclictest33-21ksoftirqd/212:10:272
26098992418,3cyclictest33-21ksoftirqd/208:52:052
26098992417,4cyclictest33-21ksoftirqd/211:03:072
106891240,1ptp4l401ktimersoftd/310:05:243
106891240,1ptp4l401ktimersoftd/309:10:223
2609899235,15cyclictest9457-21sed12:50:332
2609899234,13cyclictest25032-21ssh10:55:252
26098992317,4cyclictest33-21ksoftirqd/210:21:312
26098992317,3cyclictest33-21ksoftirqd/214:00:372
26098992317,3cyclictest33-21ksoftirqd/214:00:372
26098992317,3cyclictest33-21ksoftirqd/209:01:262
26098992316,4cyclictest33-21ksoftirqd/213:13:472
26098992316,4cyclictest33-21ksoftirqd/209:49:402
26098992311,10cyclictest31480-21awk09:00:112
2609899228,11cyclictest30119-21irqrtprio12:05:332
26098992217,3cyclictest33-21ksoftirqd/214:05:402
26098992217,3cyclictest33-21ksoftirqd/214:05:402
26098992216,3cyclictest33-21ksoftirqd/211:33:332
26098992215,4cyclictest31736-21sed12:40:342
26098992215,4cyclictest19010-21grep13:00:322
2609899221,18cyclictest6990-21grep12:15:312
2609899213,3cyclictest121rcu_preempt14:17:072
26098992116,3cyclictest33-21ksoftirqd/213:48:362
26098992116,3cyclictest33-21ksoftirqd/213:36:362
26098992115,3cyclictest33-21ksoftirqd/213:28:002
26098992115,3cyclictest33-21ksoftirqd/210:15:552
26098992114,4cyclictest33-21ksoftirqd/209:23:222
26098992114,4cyclictest32472-21unixbench_multi10:05:412
26098992114,4cyclictest15275-21sh13:30:272
2609899210,10cyclictest31612ssh11:38:022
26098992014,3cyclictest5884-21sh13:53:402
26098992013,4cyclictest7623-21wc11:10:252
26098992013,4cyclictest33-21ksoftirqd/210:27:292
26098992013,4cyclictest33-21ksoftirqd/210:27:292
26098992013,4cyclictest17463-21sed12:25:332
26098992012,5cyclictest7267-21unixbench-2d13:20:452
26098991913,3cyclictest25988-21switchtime12:00:422
26098991912,4cyclictest19174-21grep09:40:282
26098991912,4cyclictest17689-21sh11:52:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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