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2026-08-30 - 23:26
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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 Sun Aug 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2695421570,2sleep22427399cyclictest14:59:562
697121470,3sleep32428199cyclictest11:54:483
1068911040,36ptp4l401ktimersoftd/309:32:113
106891710,1ptp4l401ktimersoftd/312:17:503
106891710,1ptp4l401ktimersoftd/312:17:503
106891700,1ptp4l401ktimersoftd/314:32:063
106891690,1ptp4l401ktimersoftd/315:02:393
36882670,4sleep32428199cyclictest11:04:333
241382664,10sleep00-21swapper/009:34:060
106891630,1ptp4l401ktimersoftd/312:57:473
106891590,1ptp4l401ktimersoftd/314:17:183
106891590,1ptp4l401ktimersoftd/313:15:363
139932580,4sleep22427399cyclictest12:02:462
106891580,1ptp4l401ktimersoftd/314:38:283
106891570,1ptp4l401ktimersoftd/314:23:493
106891560,1ptp4l401ktimersoftd/314:44:323
106891560,1ptp4l401ktimersoftd/311:49:233
99592550,4sleep39963-21needreboot14:09:463
68552550,2sleep30-21swapper/314:06:413
106891550,1ptp4l401ktimersoftd/313:51:103
33662540,2sleep10-21swapper/111:51:251
324232540,1sleep00-21swapper/011:49:030
24268995431,19cyclictest25-21ksoftirqd/112:19:361
240272543,10sleep20-21swapper/209:32:392
238752524,36sleep10-21swapper/109:30:401
106891420,11ptp4l401ktimersoftd/314:28:233
24261994010,25cyclictest22625-21irqrtprio13:49:440
106891400,1ptp4l401ktimersoftd/313:47:393
2426199393,4cyclictest0-21swapper/013:59:370
2426199392,5cyclictest0-21swapper/014:14:380
2426199392,5cyclictest0-21swapper/012:14:340
2426199392,5cyclictest0-21swapper/012:14:340
2426199392,5cyclictest0-21swapper/011:54:360
2426199392,4cyclictest0-21swapper/012:54:370
2426199391,6cyclictest0-21swapper/011:39:340
24261993911,24cyclictest32033-21date12:54:240
106891390,1ptp4l401ktimersoftd/314:43:143
106891390,1ptp4l401ktimersoftd/313:39:443
106891390,1ptp4l401ktimersoftd/312:54:013
106891390,0ptp4l401ktimersoftd/313:29:073
2426199383,8cyclictest17617-21apt-get12:39:360
2426199382,6cyclictest0-21swapper/009:44:310
2426199382,5cyclictest30154-21apt-get12:19:360
24261993813,22cyclictest17610-21diskmemload12:07:420
24261993811,24cyclictest19437-21latency_hist13:14:250
24261993811,24cyclictest11462-21cut14:44:450
24261993810,24cyclictest18508-21/usr/sbin/munin14:19:550
24261993810,24cyclictest11592-21awk11:59:430
106891380,1ptp4l401ktimersoftd/314:54:023
106891380,1ptp4l401ktimersoftd/312:47:393
106891380,1ptp4l401ktimersoftd/312:30:173
106891380,1ptp4l401ktimersoftd/312:11:353
106891380,1ptp4l401ktimersoftd/311:59:313
106891380,0ptp4l401ktimersoftd/312:21:303
2426199377,3cyclictest14472chrt09:49:470
2426199372,6cyclictest0-21swapper/011:49:350
2426199372,5cyclictest0-21swapper/011:29:350
2426199371,4cyclictest0-21swapper/013:29:370
24261993713,21cyclictest5899-21wc11:09:220
24261993713,21cyclictest17610-21diskmemload14:56:090
24261993712,22cyclictest17610-21diskmemload14:51:070
24261993712,22cyclictest17610-21diskmemload12:09:390
24261993712,21cyclictest17610-21diskmemload14:04:320
24261993710,24cyclictest15247-21idleruntime-cro11:29:220
24261993710,23cyclictest29409-21grep09:39:480
24261993710,23cyclictest25480-21cat09:34:400
24261993710,23cyclictest16972-21sort13:44:400
106891370,1ptp4l401ktimersoftd/314:02:503
106891370,1ptp4l401ktimersoftd/313:09:573
106891370,1ptp4l401ktimersoftd/313:06:503
106891370,1ptp4l401ktimersoftd/313:00:023
106891370,1ptp4l401ktimersoftd/312:40:363
106891370,1ptp4l401ktimersoftd/312:36:133
106891370,1ptp4l401ktimersoftd/312:05:493
106891370,1ptp4l401ktimersoftd/311:45:323
106891370,1ptp4l401ktimersoftd/311:39:573
106891370,1ptp4l401ktimersoftd/310:02:523
24268993625,6cyclictest25-21ksoftirqd/111:34:351
24268993623,10cyclictest25-21ksoftirqd/109:49:201
2426199362,4cyclictest0-21swapper/014:59:390
24261993612,21cyclictest3844-21sh14:36:590
24261993612,21cyclictest17610-21diskmemload13:29:130
24261993612,21cyclictest17610-21diskmemload13:01:410
24261993612,21cyclictest11169-21grep13:04:480
24261993611,22cyclictest7332-21timerwakeupswit14:39:550
24261993610,23cyclictest7783-21expr12:29:370
24261993610,23cyclictest17161-21df10:24:350
24268993529,3cyclictest25-21ksoftirqd/114:29:261
2426199352,6cyclictest18035-21apt-get11:34:350
2426199351,7cyclictest0-21swapper/012:29:240
24261993516,15cyclictest9-21ksoftirqd/010:00:590
24261993513,19cyclictest28373-21seq10:48:040
24261993511,21cyclictest32168-21sed10:54:400
24261993510,22cyclictest17610-21diskmemload14:27:580
24261993510,22cyclictest17610-21diskmemload13:22:190
24261993510,21cyclictest3405-21latency09:54:400
2426199350,2cyclictest0-21swapper/012:46:360
106891350,1ptp4l401ktimersoftd/311:01:373
106891350,0ptp4l401ktimersoftd/313:58:093
106891350,0ptp4l401ktimersoftd/312:27:173
2426199348,3cyclictest10605-21unixbench_multi14:09:550
2426199348,3cyclictest1055-21runrttasks10:05:490
2426199347,3cyclictest0-21swapper/013:39:500
2426199346,4cyclictest7835-21cut13:34:450
2426199342,7cyclictest19812-21apt-get13:14:370
2426199342,5cyclictest29000-21apt-get10:49:340
106891340,1ptp4l401ktimersoftd/313:22:563
106891340,0ptp4l401ktimersoftd/313:38:403
24268993327,3cyclictest25-21ksoftirqd/112:59:241
2426199337,3cyclictest236062chrt10:38:050
2426199337,3cyclictest236062chrt10:38:050
2426199337,3cyclictest12899-21latency_hist11:24:220
2426199337,2cyclictest0-21swapper/012:34:380
2426199333,4cyclictest10037-21gltestperf10:09:380
2426199332,5cyclictest8428-21apt-get11:14:340
2426199331,4cyclictest26615-21apt-get13:54:390
106891330,1ptp4l401ktimersoftd/311:35:013
106891330,0ptp4l401ktimersoftd/313:34:213
24268993226,4cyclictest25-21ksoftirqd/113:49:251
24268993224,4cyclictest64-21kswapd013:49:301
24268993220,6cyclictest25-21ksoftirqd/110:49:341
2426199329,3cyclictest26094-21latency_hist10:44:210
2426199322,5cyclictest14828-21tune2fs10:19:370
106891320,1ptp4l401ktimersoftd/311:19:503
106891320,1ptp4l401ktimersoftd/310:58:043
106891320,1ptp4l401ktimersoftd/310:44:103
106891320,1ptp4l401ktimersoftd/309:42:433
106891320,1ptp4l401ktimersoftd/309:38:583
106891320,10ptp4l401ktimersoftd/311:11:593
106891320,0ptp4l401ktimersoftd/314:55:273
106891320,0ptp4l401ktimersoftd/310:33:543
106891320,0ptp4l401ktimersoftd/310:33:543
106891320,0ptp4l401ktimersoftd/309:55:583
308072310,4sleep2311rcuc/213:58:572
2426899316,13cyclictest27483-21ssh12:49:361
24268993126,3cyclictest25-21ksoftirqd/113:09:251
24268993125,3cyclictest25-21ksoftirqd/113:24:441
24268993125,3cyclictest25-21ksoftirqd/112:04:231
24268993125,3cyclictest25-21ksoftirqd/110:29:341
24268993125,3cyclictest25-21ksoftirqd/110:29:341
2426199316,3cyclictest12494-21if_enp1s0.110:14:360
106891310,1ptp4l401ktimersoftd/309:53:083
24268993024,3cyclictest25-21ksoftirqd/111:44:231
24268993024,3cyclictest25-21ksoftirqd/110:59:351
2426199306,3cyclictest1794-21hddtemp_smartct10:59:390
2426199301,5cyclictest28799-21tail14:29:420
2426199301,5cyclictest20817-21timerwakeupswit10:29:500
2426199301,5cyclictest20817-21timerwakeupswit10:29:500
106891300,1ptp4l401ktimersoftd/310:18:563
106891300,0ptp4l401ktimersoftd/311:24:563
24268992924,3cyclictest25-21ksoftirqd/110:09:201
24268992923,3cyclictest25-21ksoftirqd/114:39:401
24268992923,3cyclictest25-21ksoftirqd/109:39:201
24268992922,4cyclictest25-21ksoftirqd/114:54:401
2426199295,2cyclictest0-21swapper/011:09:350
106891290,1ptp4l401ktimersoftd/311:18:093
106891290,0ptp4l401ktimersoftd/310:47:553
274012280,2sleep10-21swapper/110:44:401
24273992822,3cyclictest33-21ksoftirqd/214:44:382
24268992823,3cyclictest25-21ksoftirqd/113:29:371
24268992823,3cyclictest25-21ksoftirqd/111:54:431
24268992822,3cyclictest25-21ksoftirqd/113:24:251
24268992822,3cyclictest25-21ksoftirqd/113:09:261
24268992822,3cyclictest25-21ksoftirqd/112:29:361
24268992822,3cyclictest25-21ksoftirqd/111:09:221
24273992721,3cyclictest33-21ksoftirqd/213:52:072
24268992722,3cyclictest25-21ksoftirqd/114:49:271
24268992722,3cyclictest25-21ksoftirqd/113:34:441
24268992721,3cyclictest25-21ksoftirqd/114:09:551
24268992721,3cyclictest25-21ksoftirqd/113:39:441
24268992721,3cyclictest25-21ksoftirqd/112:59:431
24268992721,3cyclictest25-21ksoftirqd/112:34:361
24268992717,6cyclictest28467-21cpuspeed_turbos14:29:391
1452912720,3phc2sys41-21ksoftirqd/311:29:393
106891270,1ptp4l401ktimersoftd/310:25:043
106891270,0ptp4l401ktimersoftd/310:08:453
106891270,0ptp4l401ktimersoftd/309:45:013
2510422618,4sleep233-21ksoftirqd/212:14:312
2510422618,4sleep233-21ksoftirqd/212:14:312
24281992619,4cyclictest41-21ksoftirqd/310:37:283
24281992619,4cyclictest41-21ksoftirqd/310:37:283
24273992620,3cyclictest33-21ksoftirqd/210:04:552
24268992622,3cyclictest25-21ksoftirqd/110:04:201
24268992621,3cyclictest25-21ksoftirqd/114:04:551
24268992621,3cyclictest25-21ksoftirqd/113:58:191
24268992621,3cyclictest25-21ksoftirqd/110:54:401
24268992620,4cyclictest25-21ksoftirqd/114:19:561
24268992620,3cyclictest25-21ksoftirqd/114:49:411
24268992620,3cyclictest25-21ksoftirqd/114:34:391
24268992620,3cyclictest25-21ksoftirqd/113:19:251
24268992620,3cyclictest25-21ksoftirqd/112:44:441
24268992620,3cyclictest25-21ksoftirqd/112:44:241
24268992620,3cyclictest25-21ksoftirqd/111:34:231
24268992620,3cyclictest25-21ksoftirqd/110:14:211
24268992620,3cyclictest25-21ksoftirqd/109:54:391
24268992620,3cyclictest25-21ksoftirqd/109:54:041
106891260,1ptp4l401ktimersoftd/310:22:593
24281992518,4cyclictest41-21ksoftirqd/310:53:373
24273992520,3cyclictest33-21ksoftirqd/214:24:382
24273992519,3cyclictest33-21ksoftirqd/213:41:392
24273992519,3cyclictest33-21ksoftirqd/212:23:422
24273992519,3cyclictest33-21ksoftirqd/211:12:392
24273992518,4cyclictest33-21ksoftirqd/213:06:052
24273992518,4cyclictest17611-21cat13:44:432
24273992517,4cyclictest27864-21grep09:39:322
24268992520,3cyclictest25-21ksoftirqd/112:04:371
24268992520,3cyclictest25-21ksoftirqd/111:44:531
24268992520,3cyclictest25-21ksoftirqd/110:19:401
24268992520,3cyclictest25-21ksoftirqd/110:14:421
24268992519,3cyclictest25-21ksoftirqd/111:14:401
1343022517,3sleep233-21ksoftirqd/211:24:372
106891250,1ptp4l401ktimersoftd/310:10:003
24273992418,4cyclictest33-21ksoftirqd/210:20:482
24273992418,3cyclictest9974-21needreboot14:09:462
24273992418,3cyclictest33-21ksoftirqd/214:56:022
24273992418,3cyclictest33-21ksoftirqd/213:16:012
24273992418,3cyclictest33-21ksoftirqd/209:51:062
24273992418,3cyclictest20622-21snmp_o5powerctl10:29:452
24273992418,3cyclictest20622-21snmp_o5powerctl10:29:452
24273992417,4cyclictest33-21ksoftirqd/210:40:202
24273992417,4cyclictest33-21ksoftirqd/209:55:192
24273992416,5cyclictest33-21ksoftirqd/210:49:162
24273992411,10cyclictest33-21ksoftirqd/212:32:452
2427399240,11cyclictest223032cat12:44:242
24268992418,3cyclictest25-21ksoftirqd/114:59:431
24268992418,3cyclictest25-21ksoftirqd/112:24:421
24268992417,4cyclictest25-21ksoftirqd/110:43:441
2426899241,19cyclictest13181-21apt-get11:24:351
2427399232,18cyclictest26189-21head09:34:502
24273992317,3cyclictest33-21ksoftirqd/214:03:312
24273992317,3cyclictest33-21ksoftirqd/211:37:282
24273992317,3cyclictest33-21ksoftirqd/210:16:112
24273992317,3cyclictest33-21ksoftirqd/209:59:302
24273992316,4cyclictest3373-21find13:29:472
24273992316,4cyclictest33-21ksoftirqd/214:40:002
24273992316,4cyclictest33-21ksoftirqd/214:08:252
24273992316,4cyclictest33-21ksoftirqd/211:15:442
24273992316,4cyclictest33-21ksoftirqd/211:08:222
24273992316,4cyclictest33-21ksoftirqd/210:34:292
24273992316,4cyclictest33-21ksoftirqd/210:34:292
24273992316,4cyclictest29590-21snmp_o5powerctl11:44:512
24268992319,2cyclictest25-21ksoftirqd/111:14:221
24268992318,3cyclictest25-21ksoftirqd/113:59:381
24268992318,3cyclictest25-21ksoftirqd/112:09:581
24268992318,3cyclictest25-21ksoftirqd/110:34:321
24268992318,3cyclictest25-21ksoftirqd/110:34:321
24268992317,3cyclictest25-21ksoftirqd/112:14:411
24268992317,3cyclictest25-21ksoftirqd/112:14:411
24273992217,3cyclictest33-21ksoftirqd/212:49:502
24273992216,3cyclictest33-21ksoftirqd/211:40:582
24273992215,4cyclictest9670-21sh13:36:322
24273992215,4cyclictest30621-21grep09:44:352
24273992215,4cyclictest24301-21unixbench_multi12:44:532
24273992213,5cyclictest29444-21missed_timers14:29:472
2427399221,18cyclictest15454-21apt-get14:49:392
2427399220,19cyclictest8394-21ssh11:56:352
24268992217,3cyclictest25-21ksoftirqd/109:39:221
2427399211,6cyclictest5418-21hddtemp_smartct12:59:412
24273992115,3cyclictest26132-21snmp_o5powerctl13:19:492
24273992114,4cyclictest919-21cut11:49:382
24273992114,4cyclictest22308-21sh12:10:092
2427399211,17cyclictest0-21swapper/214:38:032
24268992116,3cyclictest25-21ksoftirqd/111:24:231
24268992115,4cyclictest25-21ksoftirqd/114:18:241
24273992014,4cyclictest33-21ksoftirqd/213:24:422
24273992014,3cyclictest33-21ksoftirqd/210:54:272
24273992014,3cyclictest33-21ksoftirqd/210:29:022
24273992014,3cyclictest18366-21ssh12:06:482
24273992014,3cyclictest17369-21sh14:18:042
24273992014,3cyclictest11887-21open_files11:19:432
24273992013,4cyclictest20628-21sh14:20:162
24273992013,4cyclictest16564-21sh12:38:182
24273992013,4cyclictest15506-21bc11:29:342
24273992013,4cyclictest1055-21runrttasks12:24:402
2427399201,16cyclictest15374-21grep13:09:402
24273991913,3cyclictest32462-21sh12:54:382
24273991913,3cyclictest29250-21df10:49:362
24273991912,4cyclictest11141-21cat10:09:512
2427399191,14cyclictest1307-21apt-get10:59:342
24268991912,4cyclictest17325-21tail10:24:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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