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2026-06-02 - 18:38
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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 Jun 02, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
206121780,4sleep1149099cyclictest09:50:351
3148321670,4sleep1149099cyclictest12:29:221
106891980,3ptp4l401ktimersoftd/308:43:593
295222950,4sleep0148699cyclictest14:06:000
1503998067,6cyclictest41-21ksoftirqd/311:45:273
1503996955,7cyclictest41-21ksoftirqd/312:30:303
106891670,1ptp4l401ktimersoftd/313:48:303
106891670,1ptp4l401ktimersoftd/309:40:143
10712663,23sleep233-21ksoftirqd/208:41:102
106891660,1ptp4l401ktimersoftd/312:15:033
283052630,4sleep0148699cyclictest13:31:240
106891630,2ptp4l401ktimersoftd/314:05:263
1503996252,5cyclictest41-21ksoftirqd/313:55:313
1497996113,26cyclictest20044-21sh11:44:162
17022590,2sleep00-21swapper/013:38:060
162402580,2sleep30-21swapper/313:53:113
106891580,1ptp4l401ktimersoftd/310:51:463
206242560,2sleep2149799cyclictest12:17:182
320292550,4sleep2149799cyclictest14:10:202
1503995541,6cyclictest41-21ksoftirqd/309:10:263
1503995541,6cyclictest41-21ksoftirqd/309:10:263
106891530,13ptp4l15885-21kworker/3:109:50:143
1503995242,5cyclictest41-21ksoftirqd/312:45:293
259352510,1sleep00-21swapper/013:30:190
149799513,26cyclictest30725-21apt-get11:55:292
11572514,36sleep00-21swapper/008:42:170
1490995020,5cyclictest25-21ksoftirqd/111:25:151
1497994913,22cyclictest10980-21sh13:47:252
1490994937,3cyclictest25-21ksoftirqd/113:15:411
1490994923,4cyclictest25-21ksoftirqd/111:30:311
1490994920,7cyclictest25-21ksoftirqd/112:55:371
1490994920,7cyclictest25-21ksoftirqd/112:55:371
1490994919,8cyclictest25-21ksoftirqd/112:10:431
1490994919,5cyclictest25-21ksoftirqd/110:05:351
106891490,1ptp4l401ktimersoftd/311:42:203
1503994839,4cyclictest41-21ksoftirqd/312:40:323
1490994820,9cyclictest25-21ksoftirqd/112:30:401
1490994819,4cyclictest25-21ksoftirqd/109:35:281
1490994818,8cyclictest25-21ksoftirqd/109:05:411
1490994815,9cyclictest25-21ksoftirqd/111:19:011
106891480,1ptp4l401ktimersoftd/311:09:133
1490994722,4cyclictest25-21ksoftirqd/113:15:191
1490994722,3cyclictest25-21ksoftirqd/109:15:131
1490994722,3cyclictest25-21ksoftirqd/109:15:131
1490994720,9cyclictest25-21ksoftirqd/113:30:191
1490994720,8cyclictest25-21ksoftirqd/110:25:151
1490994719,7cyclictest25-21ksoftirqd/113:40:401
1490994719,4cyclictest25-21ksoftirqd/114:15:191
1490994719,4cyclictest25-21ksoftirqd/111:45:161
1490994718,5cyclictest25-21ksoftirqd/108:45:311
1490994717,5cyclictest25-21ksoftirqd/113:20:291
1490994715,7cyclictest25-21ksoftirqd/112:40:431
149799460,33cyclictest24424-21runrttasks10:37:092
149099465,7cyclictest25-21ksoftirqd/113:55:491
1490994633,3cyclictest25-21ksoftirqd/112:00:361
1490994622,4cyclictest25-21ksoftirqd/112:20:461
1503994533,5cyclictest41-21ksoftirqd/309:05:243
149099453,8cyclictest25-21ksoftirqd/110:45:421
149099452,8cyclictest25-21ksoftirqd/113:45:431
1490994528,3cyclictest25-21ksoftirqd/111:55:371
1490994521,10cyclictest25-21ksoftirqd/111:35:311
1490994520,4cyclictest25-21ksoftirqd/114:04:011
1490994520,4cyclictest25-21ksoftirqd/110:55:421
1490994520,4cyclictest25-21ksoftirqd/108:55:121
1490994519,4cyclictest25-21ksoftirqd/108:55:291
1490994517,4cyclictest25-21ksoftirqd/113:08:511
1490994516,8cyclictest25-21ksoftirqd/111:28:391
1490994516,7cyclictest25-21ksoftirqd/110:30:431
1490994516,4cyclictest25-21ksoftirqd/113:35:341
1490994515,5cyclictest25-21ksoftirqd/110:10:381
106891450,1ptp4l401ktimersoftd/313:17:493
149099447,7cyclictest25-21ksoftirqd/112:35:401
1490994421,7cyclictest25-21ksoftirqd/113:00:341
1490994421,4cyclictest25-21ksoftirqd/112:15:371
1490994420,4cyclictest25-21ksoftirqd/109:30:311
1490994419,4cyclictest25-21ksoftirqd/112:07:001
1490994418,10cyclictest25-21ksoftirqd/109:45:271
1490994417,9cyclictest25-21ksoftirqd/110:35:331
1490994414,7cyclictest25-21ksoftirqd/111:05:171
106891440,0ptp4l401ktimersoftd/311:28:403
1503994333,5cyclictest41-21ksoftirqd/312:50:303
1503994331,6cyclictest41-21ksoftirqd/313:05:303
149099434,4cyclictest25-21ksoftirqd/109:40:311
1490994319,4cyclictest25-21ksoftirqd/110:15:321
1490994317,9cyclictest25-21ksoftirqd/111:50:401
1490994317,6cyclictest25-21ksoftirqd/110:40:351
1490994315,5cyclictest25-21ksoftirqd/111:48:211
106891430,1ptp4l401ktimersoftd/313:10:193
149799423,30cyclictest24461-21apt-get12:55:302
149799423,30cyclictest24461-21apt-get12:55:302
149099423,9cyclictest25-21ksoftirqd/109:15:341
149099423,9cyclictest25-21ksoftirqd/109:15:341
149099423,8cyclictest25-21ksoftirqd/113:50:351
1490994217,11cyclictest25-21ksoftirqd/112:45:281
1490994213,10cyclictest25-21ksoftirqd/111:11:461
1490994213,10cyclictest25-21ksoftirqd/111:11:461
149099420,7cyclictest25-21ksoftirqd/114:05:391
106891420,1ptp4l401ktimersoftd/309:54:033
149099414,7cyclictest25-21ksoftirqd/110:50:321
1490994132,3cyclictest25-21ksoftirqd/111:00:341
1490994132,3cyclictest25-21ksoftirqd/109:00:291
149099411,8cyclictest25-21ksoftirqd/110:05:141
1490994117,8cyclictest25-21ksoftirqd/109:55:221
1490994117,4cyclictest25-21ksoftirqd/112:53:201
1490994116,9cyclictest25-21ksoftirqd/110:25:361
1490994116,9cyclictest25-21ksoftirqd/108:45:121
149099404,3cyclictest25-21ksoftirqd/113:30:331
106891400,1ptp4l401ktimersoftd/312:25:413
106891400,1ptp4l401ktimersoftd/312:16:363
149799393,29cyclictest1725-21apt-get13:05:302
149799393,28cyclictest22703-21apt-get14:00:292
1497993916,20cyclictest27176-21cron12:25:172
1503993826,5cyclictest41-21ksoftirqd/312:55:313
1503993826,5cyclictest41-21ksoftirqd/312:55:313
149799383,28cyclictest29183-21apt-get11:20:282
149799383,27cyclictest26135-21apt-get09:35:252
149799382,29cyclictest1601-21apt-get11:25:262
149099384,7cyclictest25-21ksoftirqd/109:25:271
106891380,2ptp4l15885-21kworker/3:111:21:323
106891380,1ptp4l401ktimersoftd/314:01:083
106891380,1ptp4l401ktimersoftd/313:41:033
106891380,1ptp4l401ktimersoftd/313:29:573
106891380,1ptp4l401ktimersoftd/313:24:123
106891380,1ptp4l401ktimersoftd/312:39:213
106891380,1ptp4l401ktimersoftd/311:14:383
106891380,1ptp4l401ktimersoftd/311:14:383
106891380,1ptp4l401ktimersoftd/310:48:273
1503993731,3cyclictest41-21ksoftirqd/310:05:183
1503993726,6cyclictest41-21ksoftirqd/311:55:293
149799371,3cyclictest24958-21ps09:30:362
149799371,30cyclictest14763-21apt-get12:45:292
149099370,3cyclictest121rcu_preempt09:20:311
106891370,1ptp4l401ktimersoftd/314:10:283
106891370,1ptp4l401ktimersoftd/313:04:503
106891370,1ptp4l401ktimersoftd/312:02:413
106891370,1ptp4l401ktimersoftd/311:51:473
106891370,1ptp4l401ktimersoftd/311:18:433
106891370,1ptp4l401ktimersoftd/311:01:433
106891370,1ptp4l401ktimersoftd/310:56:223
106891370,1ptp4l401ktimersoftd/308:56:513
106891370,0ptp4l401ktimersoftd/313:36:163
106891370,0ptp4l401ktimersoftd/312:08:283
149799362,26cyclictest21017-21apt-get11:45:272
149799360,4cyclictest22029-21ssh11:11:582
149799360,4cyclictest22029-21ssh11:11:582
106891360,0ptp4l401ktimersoftd/313:32:573
20752350,4sleep0101ktimersoftd/013:05:340
149799353,25cyclictest13047-21apt-get12:10:292
149799352,26cyclictest29294-21apt-get13:00:292
149799352,26cyclictest11902-21apt-get09:05:252
149799350,3cyclictest6790-21/usr/sbin/munin10:00:372
1503993420,8cyclictest41-21ksoftirqd/309:00:253
149799347,24cyclictest15454-21sed11:05:332
149799343,28cyclictest5315-21cstates12:35:302
149799342,24cyclictest3214-21apt-get09:55:232
149799341,4cyclictest21291-21cut10:30:362
1497993413,18cyclictest14923-21sh13:50:522
1497993413,18cyclictest13805-21sh11:36:522
149799341,30cyclictest28868-21grep09:40:282
149799340,4cyclictest17298-21irqrtprio09:15:322
149799340,4cyclictest17298-21irqrtprio09:15:322
149799340,4cyclictest13473-21/usr/sbin/munin13:15:492
149799340,3cyclictest9808-21/usr/sbin/munin09:00:272
149799340,3cyclictest2470-21ssh10:51:542
106891340,1ptp4l401ktimersoftd/312:22:103
149799336,15cyclictest27467-21ssh10:45:272
149799333,23cyclictest12916-21apt-get10:15:272
149799332,26cyclictest0-21swapper/210:05:252
149799332,25cyclictest0-21swapper/212:30:302
149799332,24cyclictest14267-21apt-get09:10:252
149799332,24cyclictest14267-21apt-get09:10:252
1497993313,17cyclictest28049-21sh11:51:222
1497993310,20cyclictest6592-21tail10:55:432
149799330,4cyclictest31997-21memory13:35:382
149799330,4cyclictest20530-21irqrtprio12:50:372
149799330,3cyclictest23749-21ssh13:26:542
149799330,3cyclictest16806-21ssh13:20:332
149799330,2cyclictest0-21swapper/214:10:432
149799328,21cyclictest17619-21grep10:25:152
149799328,21cyclictest10675-21sed12:40:382
149799327,22cyclictest26837-21seq10:42:452
149799327,22cyclictest17867-21acpi13:55:302
149799322,24cyclictest7169-21apt-get08:55:252
149799321,28cyclictest23521-21cut09:30:132
149799320,5cyclictest5164-21perl08:50:272
149799320,3cyclictest28325-21rm12:25:362
149799320,3cyclictest24329-21cat11:15:272
149799320,3cyclictest20060-21needreboot09:20:322
149799320,3cyclictest18645-21sed10:25:332
149799320,3cyclictest1055-21runrttasks12:05:282
149799320,3cyclictest0-21swapper/211:00:422
149799320,3cyclictest0-21swapper/208:45:312
106891320,1ptp4l401ktimersoftd/310:35:403
150399315,3cyclictest41-21ksoftirqd/308:50:403
1503993125,3cyclictest41-21ksoftirqd/310:30:273
149799316,21cyclictest11456-21cat10:10:332
149799315,22cyclictest27181-21missed_timers13:30:402
149799313,22cyclictest805-21apt-get09:50:262
149799311,26cyclictest6153-21apt-get13:10:212
149799310,3cyclictest373-21taskset09:49:092
106891310,1ptp4l401ktimersoftd/311:30:493
106891310,1ptp4l401ktimersoftd/310:16:213
1503993025,3cyclictest41-21ksoftirqd/309:30:133
1503993024,3cyclictest41-21ksoftirqd/311:35:353
1503993024,3cyclictest41-21ksoftirqd/308:50:123
149799301,3cyclictest0-21swapper/211:30:282
1497993011,16cyclictest2986-21sh12:00:202
149799300,4cyclictest3655-21diskstats13:40:342
106891300,1ptp4l401ktimersoftd/309:36:253
100752300,2sleep00-21swapper/012:40:330
1503992924,3cyclictest41-21ksoftirqd/310:20:283
106891290,0ptp4l401ktimersoftd/310:04:063
1503992823,3cyclictest41-21ksoftirqd/309:55:403
1486992823,3cyclictest9-21ksoftirqd/010:00:140
1486992821,4cyclictest9-21ksoftirqd/010:40:090
1503992722,3cyclictest41-21ksoftirqd/309:15:433
1503992722,3cyclictest41-21ksoftirqd/309:15:433
1486992722,3cyclictest9-21ksoftirqd/013:41:550
1486992720,4cyclictest9-21ksoftirqd/009:21:400
1503992619,3cyclictest41-21ksoftirqd/310:45:153
145291261,20phc2sys18371-21cat10:25:323
1503992519,3cyclictest41-21ksoftirqd/309:20:273
1503992518,4cyclictest41-21ksoftirqd/309:34:033
148699252,5cyclictest0-21swapper/011:40:280
1486992519,3cyclictest9-21ksoftirqd/014:10:420
1486992518,4cyclictest9-21ksoftirqd/010:11:540
1486992518,4cyclictest9-21ksoftirqd/008:50:560
1503992419,3cyclictest391rcuc/310:10:323
1486992419,3cyclictest9-21ksoftirqd/011:53:400
1486992419,3cyclictest9-21ksoftirqd/011:50:160
1486992419,3cyclictest9-21ksoftirqd/009:14:540
1486992419,3cyclictest9-21ksoftirqd/009:14:540
1486992418,3cyclictest9-21ksoftirqd/010:56:460
148699232,12cyclictest17891-21ssh13:55:310
1486992317,3cyclictest9-21ksoftirqd/012:20:450
1486992317,3cyclictest9-21ksoftirqd/010:30:270
1486992317,3cyclictest9-21ksoftirqd/009:52:150
1486992316,4cyclictest9-21ksoftirqd/009:18:060
1486992316,4cyclictest9-21ksoftirqd/009:18:060
1486992217,3cyclictest9-21ksoftirqd/012:06:440
1486992217,3cyclictest9-21ksoftirqd/009:49:380
1486992217,3cyclictest9-21ksoftirqd/009:27:170
1486992216,3cyclictest9-21ksoftirqd/009:33:540
1486992212,8cyclictest29694-21gltestperf11:20:320
148699214,6cyclictest1477-21cyclictest12:16:250
1486992116,3cyclictest9-21ksoftirqd/012:37:200
1486992116,3cyclictest9-21ksoftirqd/011:13:080
1486992116,3cyclictest9-21ksoftirqd/011:13:080
1486992116,3cyclictest9-21ksoftirqd/008:47:050
1486992115,4cyclictest9-21ksoftirqd/010:19:410
1486992115,3cyclictest9-21ksoftirqd/012:12:170
1486992115,3cyclictest9-21ksoftirqd/010:21:370
1486992115,3cyclictest8605-21grep10:05:300
148699210,19cyclictest15095-21diskmemload12:45:320
148699203,14cyclictest31049-21tail13:00:470
1486992015,3cyclictest9-21ksoftirqd/013:15:380
1486992015,3cyclictest9-21ksoftirqd/009:05:460
1486992015,3cyclictest11759-21tr11:35:330
1486992015,2cyclictest9-21ksoftirqd/009:38:570
1486992014,4cyclictest7108-21sh11:30:340
1486992014,3cyclictest9-21ksoftirqd/010:52:290
1486992014,3cyclictest27734-21df10:45:300
1486992013,4cyclictest9-21ksoftirqd/011:29:100
1486992013,4cyclictest9-21ksoftirqd/010:03:310
1486992013,4cyclictest10021-21idleruntime09:00:290
1486991914,3cyclictest9-21ksoftirqd/013:20:340
1486991913,3cyclictest9-21ksoftirqd/010:26:020
1486991913,3cyclictest27040-21diskmemload11:56:330
1486991913,3cyclictest24901-21/usr/sbin/munin10:40:430
1486991913,3cyclictest24818-21sed11:15:320
1486991913,3cyclictest24493-21awk14:00:460
1486991913,3cyclictest19937-21fschecks_count12:50:340
1486991912,4cyclictest27797-21expr12:25:310
1486991912,4cyclictest27040-21diskmemload13:47:210
1486991912,4cyclictest27040-21diskmemload12:30:180
1486991912,4cyclictest27040-21diskmemload11:05:210
148699181,4cyclictest28990-21smartctl09:40:290
1486991813,3cyclictest6693-21/usr/sbin/munin13:10:390
1486991812,3cyclictest27040-21diskmemload12:56:210
1486991812,3cyclictest27040-21diskmemload12:56:210
1486991812,3cyclictest27040-21diskmemload12:03:210
1486991812,3cyclictest14402-21tr13:50:410
148699181,14cyclictest9733-21apt-get11:00:260
1486991710,4cyclictest7092-21/usr/sbin/munin08:55:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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