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2026-09-08 - 15:09
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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 Tue Sep 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3256121650,4sleep2869699cyclictest13:15:352
1579621590,4sleep2869699cyclictest14:39:382
106891940,4ptp4l401ktimersoftd/309:38:213
106891940,4ptp4l401ktimersoftd/309:38:213
8696996553,6cyclictest33-21ksoftirqd/212:44:362
26622630,2sleep30-21swapper/312:13:043
19332630,1sleep10-21swapper/113:50:551
64572594,10sleep10-21swapper/109:34:221
64572594,10sleep10-21swapper/109:34:221
142822540,2sleep00-21swapper/014:37:510
870199522,19cyclictest5862-21ssh15:02:263
8696995141,5cyclictest33-21ksoftirqd/212:39:382
8684995123,10cyclictest9-21ksoftirqd/012:49:410
8684995123,10cyclictest9-21ksoftirqd/012:49:410
179832510,2sleep00-21swapper/014:08:320
8696995036,7cyclictest33-21ksoftirqd/213:09:352
870199496,8cyclictest14190-21cat13:29:543
8684994942,4cyclictest9-21ksoftirqd/012:59:280
8684994936,3cyclictest9-21ksoftirqd/012:29:420
8684994925,3cyclictest9-21ksoftirqd/011:59:400
8684994920,8cyclictest9-21ksoftirqd/010:44:370
72672490,3sleep20-21swapper/212:49:492
72672490,3sleep20-21swapper/212:49:492
8684994825,7cyclictest9-21ksoftirqd/013:59:410
8684994820,10cyclictest9-21ksoftirqd/010:49:360
870199478,8cyclictest15112-21ssh14:39:183
8684994722,4cyclictest9-21ksoftirqd/013:09:360
8684994721,10cyclictest9-21ksoftirqd/014:44:540
8684994721,10cyclictest9-21ksoftirqd/014:44:540
8684994720,4cyclictest9-21ksoftirqd/011:44:350
8684994719,8cyclictest9-21ksoftirqd/013:34:520
8684994718,7cyclictest9-21ksoftirqd/012:14:390
8684994718,7cyclictest9-21ksoftirqd/010:14:400
8696994632,8cyclictest33-21ksoftirqd/213:54:352
868999462,16cyclictest1617-21diskmemload13:14:341
8684994636,3cyclictest9-21ksoftirqd/013:49:430
8684994631,3cyclictest9-21ksoftirqd/013:04:550
8684994627,7cyclictest9-21ksoftirqd/013:39:440
8684994619,11cyclictest9-21ksoftirqd/010:39:480
8684994618,8cyclictest9-21ksoftirqd/010:54:500
8684994618,11cyclictest9-21ksoftirqd/009:44:330
8684994615,6cyclictest9-21ksoftirqd/012:04:520
870199456,7cyclictest8876-21acpi09:39:293
868999454,13cyclictest10756-21ssh14:34:361
868499455,3cyclictest9-21ksoftirqd/011:39:370
8684994516,7cyclictest9-21ksoftirqd/013:54:380
8684994515,7cyclictest9-21ksoftirqd/010:29:190
868499450,14cyclictest9-21ksoftirqd/015:06:350
8696994420,14cyclictest17345-21rm13:34:342
868499447,3cyclictest9-21ksoftirqd/011:09:340
868499444,9cyclictest9-21ksoftirqd/014:54:400
868499443,11cyclictest9-21ksoftirqd/011:04:430
8684994421,4cyclictest9-21ksoftirqd/010:19:290
868499441,8cyclictest30316-21apt-get13:14:340
8684994417,10cyclictest9-21ksoftirqd/010:59:340
8684994416,11cyclictest9-21ksoftirqd/012:24:590
868499441,4cyclictest9-21ksoftirqd/014:09:420
8684994410,8cyclictest9-21ksoftirqd/012:39:220
868499440,14cyclictest9-21ksoftirqd/012:39:300
870199431,12cyclictest24922-21sh13:41:263
868999433,10cyclictest2038-21ssh11:39:321
868499439,8cyclictest9-21ksoftirqd/014:49:430
868499439,7cyclictest9-21ksoftirqd/014:39:530
868499439,7cyclictest9-21ksoftirqd/010:09:320
868499434,8cyclictest9-21ksoftirqd/014:29:460
8684994323,7cyclictest9-21ksoftirqd/013:29:420
8684994323,7cyclictest9-21ksoftirqd/011:49:380
8684994316,5cyclictest9-21ksoftirqd/013:19:530
8684994315,6cyclictest9-21ksoftirqd/014:14:430
8684994314,8cyclictest9-21ksoftirqd/015:00:290
8684994314,5cyclictest9-21ksoftirqd/012:11:570
868499431,3cyclictest121rcu_preempt11:54:370
8684994313,7cyclictest9-21ksoftirqd/014:24:400
870199428,5cyclictest41-21ksoftirqd/312:45:453
870199427,5cyclictest41-21ksoftirqd/313:46:073
870199421,17cyclictest11797-21taskset14:01:113
868499427,7cyclictest9-21ksoftirqd/013:44:390
868499425,3cyclictest9-21ksoftirqd/012:19:520
8684994215,5cyclictest9-21ksoftirqd/013:25:590
8684994214,5cyclictest9-21ksoftirqd/012:56:430
106891420,1ptp4l401ktimersoftd/314:42:023
870199417,5cyclictest41-21ksoftirqd/313:51:193
870199412,5cyclictest0-21swapper/312:39:433
8684994120,3cyclictest9-21ksoftirqd/011:21:360
8684994117,4cyclictest9-21ksoftirqd/012:46:150
8684994117,3cyclictest9-21ksoftirqd/014:22:380
868499410,4cyclictest9-21ksoftirqd/009:49:350
870199409,5cyclictest41-21ksoftirqd/314:12:253
870199408,5cyclictest41-21ksoftirqd/313:38:353
870199408,5cyclictest41-21ksoftirqd/312:25:583
870199407,5cyclictest41-21ksoftirqd/314:30:313
868499408,7cyclictest9-21ksoftirqd/010:04:410
868499407,3cyclictest9-21ksoftirqd/011:34:350
868499405,3cyclictest9-21ksoftirqd/011:14:400
106891400,1ptp4l401ktimersoftd/312:20:503
870199398,5cyclictest41-21ksoftirqd/313:05:203
870199397,6cyclictest41-21ksoftirqd/314:07:293
870199397,5cyclictest41-21ksoftirqd/312:08:453
870199397,5cyclictest41-21ksoftirqd/312:01:023
870199397,4cyclictest41-21ksoftirqd/312:53:533
870199397,4cyclictest41-21ksoftirqd/312:53:533
870199393,5cyclictest0-21swapper/314:14:413
868499393,10cyclictest9-21ksoftirqd/010:34:200
8684993917,3cyclictest9-21ksoftirqd/009:56:380
868499390,5cyclictest9-21ksoftirqd/009:39:180
868499390,5cyclictest9-21ksoftirqd/009:39:180
106891390,1ptp4l401ktimersoftd/312:34:543
106891390,1ptp4l401ktimersoftd/311:57:363
106891390,1ptp4l401ktimersoftd/311:46:583
106891390,1ptp4l401ktimersoftd/311:40:153
868499389,7cyclictest9-21ksoftirqd/011:29:430
868499384,3cyclictest9-21ksoftirqd/009:39:360
868499382,8cyclictest9-21ksoftirqd/010:34:380
8684993813,5cyclictest9-21ksoftirqd/010:02:510
8684993811,8cyclictest9-21ksoftirqd/011:24:470
8684993811,8cyclictest9-21ksoftirqd/011:24:470
106891380,1ptp4l401ktimersoftd/314:50:153
106891380,1ptp4l401ktimersoftd/314:27:453
106891380,1ptp4l401ktimersoftd/313:57:563
106891380,1ptp4l401ktimersoftd/313:16:463
106891380,1ptp4l401ktimersoftd/312:56:113
106891380,1ptp4l401ktimersoftd/312:16:163
8696993727,5cyclictest33-21ksoftirqd/213:24:362
106891370,1ptp4l401ktimersoftd/314:45:463
106891370,1ptp4l401ktimersoftd/314:45:463
106891370,1ptp4l401ktimersoftd/314:20:323
106891370,1ptp4l401ktimersoftd/313:27:173
106891370,1ptp4l401ktimersoftd/313:20:483
106891370,1ptp4l401ktimersoftd/311:50:433
106891370,1ptp4l401ktimersoftd/310:12:103
106891370,0ptp4l401ktimersoftd/315:05:423
106891360,1ptp4l401ktimersoftd/313:14:053
106891360,0ptp4l401ktimersoftd/312:33:513
8701993528,4cyclictest29280-21cron11:29:203
8701993528,4cyclictest29280-21cron11:29:203
8701993510,5cyclictest41-21ksoftirqd/311:16:563
106891350,0ptp4l401ktimersoftd/311:03:083
106891350,0ptp4l401ktimersoftd/310:06:593
870199339,11cyclictest178252tr11:04:343
70262335,10sleep2321ktimersoftd/209:34:362
70262335,10sleep2321ktimersoftd/209:34:362
106891330,1ptp4l401ktimersoftd/313:00:303
8696993227,3cyclictest33-21ksoftirqd/213:19:372
8696993226,3cyclictest33-21ksoftirqd/212:19:362
8696993226,3cyclictest33-21ksoftirqd/210:19:472
8696993125,3cyclictest33-21ksoftirqd/215:09:262
8696993125,3cyclictest33-21ksoftirqd/214:09:242
8696993125,3cyclictest33-21ksoftirqd/213:44:242
8696993125,3cyclictest33-21ksoftirqd/211:59:212
8696993120,9cyclictest33-21ksoftirqd/211:39:232
89622300,2sleep10-21swapper/112:19:371
870199305,6cyclictest41-21ksoftirqd/310:55:373
870199301,17cyclictest31742-21/usr/sbin/munin14:54:533
869699303,2cyclictest121rcu_preempt14:49:402
8696993024,3cyclictest33-21ksoftirqd/214:59:382
8696993024,3cyclictest33-21ksoftirqd/214:19:422
8696993024,3cyclictest33-21ksoftirqd/214:09:412
106891300,1ptp4l401ktimersoftd/309:53:333
8701992910,6cyclictest41-21ksoftirqd/311:30:403
8696992924,3cyclictest33-21ksoftirqd/213:49:422
8696992924,3cyclictest33-21ksoftirqd/213:29:442
8696992924,3cyclictest33-21ksoftirqd/211:59:412
8696992924,3cyclictest33-21ksoftirqd/211:09:362
8696992923,3cyclictest33-21ksoftirqd/213:49:242
8696992923,3cyclictest33-21ksoftirqd/213:04:412
8696992923,3cyclictest33-21ksoftirqd/211:49:402
870199285,6cyclictest41-21ksoftirqd/309:58:353
8696992823,3cyclictest33-21ksoftirqd/212:29:502
8696992823,3cyclictest33-21ksoftirqd/212:09:402
8696992823,3cyclictest33-21ksoftirqd/210:14:372
8696992822,4cyclictest33-21ksoftirqd/210:29:422
8696992822,3cyclictest33-21ksoftirqd/214:24:432
8696992822,3cyclictest33-21ksoftirqd/210:59:372
8696992822,3cyclictest33-21ksoftirqd/210:49:402
8696992822,3cyclictest33-21ksoftirqd/210:44:292
106891280,1ptp4l401ktimersoftd/309:44:463
8696992722,3cyclictest33-21ksoftirqd/213:59:422
8696992722,3cyclictest33-21ksoftirqd/212:54:402
8696992722,3cyclictest33-21ksoftirqd/212:04:412
8696992722,3cyclictest33-21ksoftirqd/211:24:372
8696992722,3cyclictest33-21ksoftirqd/211:24:372
8696992722,3cyclictest33-21ksoftirqd/211:04:212
8696992721,3cyclictest33-21ksoftirqd/214:44:402
8696992721,3cyclictest33-21ksoftirqd/214:44:402
8696992721,3cyclictest33-21ksoftirqd/214:34:382
8696992721,3cyclictest33-21ksoftirqd/213:04:232
8696992721,3cyclictest33-21ksoftirqd/211:14:332
8696992720,4cyclictest33-21ksoftirqd/210:54:392
8696992715,10cyclictest33-21ksoftirqd/212:26:402
8701992619,4cyclictest41-21ksoftirqd/310:02:403
870199260,11cyclictest26289-21grep11:19:473
8696992621,3cyclictest33-21ksoftirqd/209:54:372
8696992620,3cyclictest33-21ksoftirqd/210:24:482
8696992620,3cyclictest33-21ksoftirqd/210:09:322
8696992620,3cyclictest33-21ksoftirqd/209:46:232
8696992620,3cyclictest33-21ksoftirqd/209:39:462
8696992619,4cyclictest33-21ksoftirqd/211:44:342
868999264,12cyclictest20434-21ssh14:44:371
868999264,12cyclictest20434-21ssh14:44:371
868999262,19cyclictest27038-21apt-get13:44:361
8689992620,3cyclictest25-21ksoftirqd/110:17:391
8689992619,4cyclictest25-21ksoftirqd/110:54:211
235422260,5sleep1868999cyclictest13:06:461
8701992519,3cyclictest41-21ksoftirqd/310:20:233
8696992520,4cyclictest33-21ksoftirqd/211:19:382
8696992520,3cyclictest33-21ksoftirqd/214:54:432
8696992520,3cyclictest33-21ksoftirqd/214:29:382
8696992520,3cyclictest33-21ksoftirqd/214:14:532
8696992520,3cyclictest33-21ksoftirqd/209:49:352
8696992519,3cyclictest33-21ksoftirqd/212:18:492
8696992519,3cyclictest33-21ksoftirqd/211:34:402
8696992519,3cyclictest33-21ksoftirqd/210:39:192
8696992518,4cyclictest33-21ksoftirqd/210:42:502
8689992519,3cyclictest25-21ksoftirqd/113:12:061
8689992519,3cyclictest25-21ksoftirqd/111:06:391
8689992518,4cyclictest25-21ksoftirqd/111:31:351
8689992518,4cyclictest25-21ksoftirqd/110:30:491
8689992518,4cyclictest25-21ksoftirqd/110:24:301
106891250,1ptp4l401ktimersoftd/311:34:333
106891250,1ptp4l401ktimersoftd/310:14:303
8696992419,3cyclictest33-21ksoftirqd/212:34:392
8696992419,3cyclictest33-21ksoftirqd/211:29:382
8696992418,3cyclictest33-21ksoftirqd/210:04:312
8696992418,3cyclictest33-21ksoftirqd/209:59:352
8689992418,3cyclictest25-21ksoftirqd/111:24:291
8689992418,3cyclictest25-21ksoftirqd/111:24:291
8689992417,4cyclictest25-21ksoftirqd/114:19:251
8689992417,4cyclictest25-21ksoftirqd/114:10:141
8689992417,4cyclictest25-21ksoftirqd/110:59:291
8689992417,4cyclictest25-21ksoftirqd/109:48:091
8689992417,4cyclictest25-21ksoftirqd/109:41:591
868999240,2cyclictest121rcu_preempt13:42:511
106891240,1ptp4l401ktimersoftd/310:49:473
106891240,1ptp4l401ktimersoftd/310:44:333
106891240,1ptp4l401ktimersoftd/310:34:313
106891240,1ptp4l401ktimersoftd/310:29:453
106891240,1ptp4l401ktimersoftd/310:24:343
8689992317,3cyclictest25-21ksoftirqd/115:00:551
8689992317,3cyclictest25-21ksoftirqd/112:34:481
8689992317,3cyclictest25-21ksoftirqd/110:09:181
8689992317,3cyclictest24525-21ps10:09:371
8689992316,4cyclictest8654-21grep11:44:511
8689992316,4cyclictest8265-21sh12:19:221
8689992316,4cyclictest25-21ksoftirqd/111:09:551
8689992316,4cyclictest25-21ksoftirqd/110:00:501
8689992315,4cyclictest3243-21grep13:19:401
106891230,1ptp4l401ktimersoftd/311:09:383
106891230,1ptp4l401ktimersoftd/310:39:343
868999224,5cyclictest1055-21runrttasks13:28:221
8689992217,3cyclictest25-21ksoftirqd/115:09:251
8689992216,3cyclictest30853-21ssh12:41:271
8689992216,3cyclictest25-21ksoftirqd/113:59:541
8689992216,3cyclictest25-21ksoftirqd/110:35:061
8689992215,4cyclictest25-21ksoftirqd/110:20:451
8689992215,4cyclictest25-21ksoftirqd/109:50:021
8689992215,4cyclictest19680-21rm14:43:491
8689992214,4cyclictest6710-21needreboot12:49:411
8689992214,4cyclictest6710-21needreboot12:49:411
868999221,17cyclictest26417-21grep14:49:441
868999220,19cyclictest21098-21ssh11:59:061
868999212,17cyclictest10784-21tr12:54:341
8689992115,3cyclictest31904-21sed14:54:541
8689992114,4cyclictest1617-21diskmemload14:29:491
8689992113,5cyclictest3104-21ssh12:46:071
868999211,17cyclictest3107-21sh14:25:171
868999210,18cyclictest18541-21grep13:34:441
868999210,18cyclictest14245-21ssh11:50:461
8689992015,3cyclictest25-21ksoftirqd/112:04:361
8689992014,3cyclictest14738-21phc2sys-jitter12:24:431
8689992014,3cyclictest14331-21sh13:29:551
8689992013,4cyclictest25937-21nfs4_client11:19:401
8689992013,4cyclictest25-21ksoftirqd/110:46:221
8689992013,4cyclictest19799-21sh13:03:431
8689992013,4cyclictest11543-21phc2sys10:49:431
8689992012,5cyclictest47050irq/101-ens3-Tx12:09:341
8689991913,3cyclictest5903-21expr10:39:331
8689991913,3cyclictest23461-21awk11:59:511
8689991912,4cyclictest4865-21smartctl13:54:391
8689991912,4cyclictest25-21ksoftirqd/114:16:521
8689991912,4cyclictest22685-21expr11:14:341
8689991912,4cyclictest17453-21sed09:54:371
8689991911,5cyclictest47050irq/101-ens3-Tx12:29:321
868999190,17cyclictest0-21swapper/114:08:251
8689991811,4cyclictest25-21ksoftirqd/111:37:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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