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2026-07-29 - 19:44

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #3, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot6s.osadl.org (updated Wed Jul 29, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2897221430,3sleep02312599cyclictest10:05:130
23036211594,16sleep00-21swapper/007:09:150
213012114103,6sleep30-21swapper/307:05:053
22901211086,19sleep10-21swapper/107:07:311
2281229878,15sleep20-21swapper/207:06:242
307292750,1sleep30-21swapper/310:40:113
145452750,0sleep10-21swapper/109:16:161
23130993918,19cyclictest0-21swapper/207:50:132
23130993616,18cyclictest0-21swapper/208:45:112
23130993516,17cyclictest0-21swapper/210:55:112
238032280,0sleep30-21swapper/310:32:343
2312799254,19cyclictest0-21swapper/110:35:111
21912230,1sleep00-21swapper/009:37:110
132482230,1sleep30-21swapper/309:48:563
2313199210,19cyclictest0-21swapper/308:50:123
2313099210,19cyclictest0-21swapper/210:35:112
23127992118,2cyclictest32105-21kworker/u8:110:20:051
2312799210,16cyclictest0-21swapper/109:42:041
2312599211,18cyclictest0-21swapper/007:15:130
2313099200,15cyclictest0-21swapper/210:08:042
23127992017,2cyclictest8019-21kworker/u8:012:19:041
23127992017,2cyclictest1016-21kworker/u8:212:35:041
23127992017,2cyclictest1016-21kworker/u8:212:29:041
2312799200,18cyclictest207150irq/24-eth111:20:141
23127991916,2cyclictest9543-21kworker/u8:208:15:041
23127991916,2cyclictest5286-21kworker/u8:310:15:041
23127991916,2cyclictest32704-21kworker/u8:208:57:041
23127991916,2cyclictest22860-21kworker/u8:210:41:041
23127991916,2cyclictest21087-21kworker/u8:209:26:041
23127991916,2cyclictest15581-21kworker/u8:011:01:041
2313099180,16cyclictest0-21swapper/210:15:122
23127991815,2cyclictest8019-21kworker/u8:012:12:041
23127991815,2cyclictest3106-21kworker/u8:111:27:041
23127991815,2cyclictest3106-21kworker/u8:111:11:041
23127991815,2cyclictest28452-21kworker/u8:007:26:021
23127991815,2cyclictest28168-21kworker/u8:211:45:041
23127991815,2cyclictest27192-21kworker/u8:109:47:041
2312799180,13cyclictest0-21swapper/112:02:041
2312799180,13cyclictest0-21swapper/110:02:041
2312599180,16cyclictest0-21swapper/007:10:110
23127991714,2cyclictest7404-21kworker/u8:209:53:041
23127991714,2cyclictest32704-21kworker/u8:209:06:061
23127991714,2cyclictest3102-21kworker/u8:108:28:041
23127991714,2cyclictest3102-21kworker/u8:107:41:041
23127991714,2cyclictest28168-21kworker/u8:211:51:041
23127991714,2cyclictest27192-21kworker/u8:109:36:041
23127991714,2cyclictest27192-21kworker/u8:109:34:051
23127991714,2cyclictest17960-21kworker/u8:109:59:041
23127991714,2cyclictest15265-21kworker/u8:007:10:011
23127991714,2cyclictest13511-21kworker/u8:011:30:041
23127991713,2cyclictest1224-21ssh10:10:111
23131991612,2cyclictest0-21swapper/307:30:143
23131991611,3cyclictest0-21swapper/308:40:203
2313099161,3cyclictest0-21swapper/207:15:162
23130991613,2cyclictest31516-21kworker/u8:207:32:042
23130991613,2cyclictest16087-21kworker/u8:010:29:042
23130991613,2cyclictest13511-21kworker/u8:011:42:042
23130991611,3cyclictest0-21swapper/211:35:202
2313099160,14cyclictest0-21swapper/207:45:122
23127991613,2cyclictest9543-21kworker/u8:208:11:041
23127991613,2cyclictest7084-21kworker/u8:007:55:041
23127991613,2cyclictest32105-21kworker/u8:110:34:041
23127991613,2cyclictest28475-21kworker/u8:112:20:041
23127991613,2cyclictest28017-21kworker/u8:010:45:041
23127991613,2cyclictest16566-21kworker/u8:112:09:041
23127991613,2cyclictest13511-21kworker/u8:011:43:041
23127991613,2cyclictest12652-21kworker/u8:010:07:041
2312799160,2cyclictest0-21swapper/112:32:041
23125991612,2cyclictest8169-21unixbench_singl10:16:040
2312599161,13cyclictest31612-21ssh09:35:000
2312599160,14cyclictest0-21swapper/008:21:010
23131991511,2cyclictest7140-21ssh11:55:143
23131991510,3cyclictest0-21swapper/312:32:053
2313199150,2cyclictest0-21swapper/309:55:113
2313199150,12cyclictest0-21swapper/311:25:183
2313099152,8cyclictest11310-21ssh12:00:002
2313099151,8cyclictest14338-21ssh11:30:002
23130991512,2cyclictest9543-21kworker/u8:208:13:042
23130991512,2cyclictest32105-21kworker/u8:110:14:052
23130991512,2cyclictest3106-21kworker/u8:110:52:052
23130991512,2cyclictest28017-21kworker/u8:010:43:042
2313099151,12cyclictest3728-21runrttasks11:50:152
23130991511,2cyclictest20483-21apt-get10:30:062
2313099150,13cyclictest7211-21diskmemload12:08:582
2313099150,13cyclictest0-21swapper/209:43:282
2313099150,11cyclictest0-21swapper/210:01:042
2312799151,3cyclictest0-21swapper/109:20:171
23127991512,2cyclictest3102-21kworker/u8:108:30:011
23127991512,2cyclictest28452-21kworker/u8:007:24:041
23127991512,2cyclictest21034-21kworker/u8:008:45:041
23127991510,3cyclictest15909-21ssh10:57:401
2312799150,2cyclictest0-21swapper/110:51:041
2312599151,3cyclictest0-21swapper/010:05:000
23125991511,2cyclictest0-21swapper/010:20:110
2312599150,3cyclictest0-21swapper/008:26:010
2312599150,13cyclictest0-21swapper/012:10:160
2312599150,13cyclictest0-21swapper/011:03:210
71202141,2sleep07130-21ssh09:42:010
267372141,2sleep30-21swapper/311:41:413
2313199142,7cyclictest16429-21ssh12:05:103
2313199141,11cyclictest6271-21needreboot07:45:173
23131991410,2cyclictest26582-21missed_timers10:35:183
2313199140,2cyclictest0-21swapper/311:10:143
2313199140,2cyclictest0-21swapper/308:06:053
2313199140,13cyclictest0-21swapper/311:30:143
2313199140,12cyclictest7211-21diskmemload10:20:103
2313199140,12cyclictest0-21swapper/312:04:523
2313099149,3cyclictest29460-21ssh12:18:092
2313099142,6cyclictest0-21swapper/208:30:012
23130991411,2cyclictest9543-21kworker/u8:208:01:042
23130991411,2cyclictest7695-21kworker/u8:109:23:042
23130991411,2cyclictest7695-21kworker/u8:109:13:042
23130991411,2cyclictest7404-21kworker/u8:209:50:052
23130991411,2cyclictest3106-21kworker/u8:111:19:042
23130991411,2cyclictest15265-21kworker/u8:007:10:052
2313099140,9cyclictest0-21swapper/208:19:042
2313099140,2cyclictest0-21swapper/209:38:052
2313099140,12cyclictest22575-21ssh12:10:392
23127991411,2cyclictest31516-21kworker/u8:207:35:041
23127991411,2cyclictest3102-21kworker/u8:108:05:041
23127991411,2cyclictest28168-21kworker/u8:211:59:041
23127991411,2cyclictest22876-21kworker/u8:107:17:041
23127991411,2cyclictest22649-21kworker/u8:211:06:041
23127991411,2cyclictest21034-21kworker/u8:008:37:041
2312599149,3cyclictest29067-21ssh12:17:330
23125991410,2cyclictest0-21swapper/009:10:050
2313199139,2cyclictest0-21swapper/312:22:043
2313199136,5cyclictest18296-21ssh09:54:143
23131991310,2cyclictest0-21swapper/311:53:443
23131991310,2cyclictest0-21swapper/311:01:223
23131991310,2cyclictest0-21swapper/310:48:403
23131991310,2cyclictest0-21swapper/310:16:233
23131991310,2cyclictest0-21swapper/308:26:013
2313199130,3cyclictest32675-21kernelversion09:35:173
2313199130,2cyclictest7211-21diskmemload10:10:123
2313199130,2cyclictest0-21swapper/312:15:123
2313199130,2cyclictest0-21swapper/311:35:203
2313199130,2cyclictest0-21swapper/308:20:063
2313199130,2cyclictest0-21swapper/307:20:143
2313199130,12cyclictest0-21swapper/311:05:423
2313199130,12cyclictest0-21swapper/310:54:123
2313199130,11cyclictest0-21swapper/310:01:533
2313199130,11cyclictest0-21swapper/308:55:053
2313099138,3cyclictest24886-21ssh11:06:332
23130991310,2cyclictest9543-21kworker/u8:208:21:042
23130991310,2cyclictest7695-21kworker/u8:109:19:042
23130991310,2cyclictest31516-21kworker/u8:207:40:042
23130991310,2cyclictest28452-21kworker/u8:007:27:042
23130991310,2cyclictest19594-21kworker/u8:111:48:042
23130991310,2cyclictest12563-21ssh12:00:202
23130991310,2cyclictest12295-21kworker/u8:012:34:012
23130991310,2cyclictest0-21swapper/212:35:082
23130991310,2cyclictest0-21swapper/212:25:122
23130991310,2cyclictest0-21swapper/211:03:132
23130991310,2cyclictest0-21swapper/209:46:182
2313099130,2cyclictest0-21swapper/210:45:582
2313099130,2cyclictest0-21swapper/209:32:022
2313099130,12cyclictest0-21swapper/212:20:282
2313099130,12cyclictest0-21swapper/211:13:232
2313099130,12cyclictest0-21swapper/207:20:132
2313099130,11cyclictest0-21swapper/211:31:012
2313099130,11cyclictest0-21swapper/211:23:272
2313099130,11cyclictest0-21swapper/209:10:002
2312799132,7cyclictest0-21swapper/107:50:001
2312799131,10cyclictest24045-21munin-run11:40:001
2312799131,10cyclictest0-21swapper/111:18:551
23127991310,2cyclictest7695-21kworker/u8:109:14:041
23127991310,2cyclictest21034-21kworker/u8:008:43:041
23127991310,2cyclictest0-21swapper/109:00:141
23127991310,2cyclictest0-21swapper/107:30:181
2312799130,12cyclictest0-21swapper/108:20:171
2312599133,6cyclictest24236-21ssh11:06:010
23125991310,2cyclictest0-21swapper/012:05:360
23125991310,2cyclictest0-21swapper/011:56:030
23125991310,2cyclictest0-21swapper/011:40:260
23125991310,2cyclictest0-21swapper/011:33:370
23125991310,2cyclictest0-21swapper/011:25:190
23125991310,2cyclictest0-21swapper/010:14:560
23125991310,2cyclictest0-21swapper/009:21:150
23125991310,2cyclictest0-21swapper/009:16:020
2312599130,2cyclictest0-21swapper/012:00:160
2312599130,2cyclictest0-21swapper/011:35:170
2312599130,12cyclictest0-21swapper/012:23:310
2312599130,11cyclictest16428-21ps08:10:180
2313199129,2cyclictest0-21swapper/311:19:043
2313199129,2cyclictest0-21swapper/310:25:123
2313199129,2cyclictest0-21swapper/309:42:213
2313199129,2cyclictest0-21swapper/309:34:113
2313199129,2cyclictest0-21swapper/309:20:413
2313199129,2cyclictest0-21swapper/308:01:023
2313199122,6cyclictest0-21swapper/308:20:003
2313199120,2cyclictest0-21swapper/312:14:423
2313199120,2cyclictest0-21swapper/310:55:313
2313199120,11cyclictest0-21swapper/312:25:133
2313199120,11cyclictest0-21swapper/311:20:523
2313199120,11cyclictest0-21swapper/310:05:243
2313199120,11cyclictest0-21swapper/309:25:313
2313199120,11cyclictest0-21swapper/309:15:213
2313199120,11cyclictest0-21swapper/309:14:143
2313199120,11cyclictest0-21swapper/309:00:143
2313199120,11cyclictest0-21swapper/307:10:153
2313099129,2cyclictest31516-21kworker/u8:207:39:042
2313099129,2cyclictest0-21swapper/209:26:182
2313099129,2cyclictest0-21swapper/207:55:192
2313099120,2cyclictest0-21swapper/208:30:002
2313099120,11cyclictest0-21swapper/210:21:252
2313099120,11cyclictest0-21swapper/209:55:482
2313099120,11cyclictest0-21swapper/208:55:022
2313099120,11cyclictest0-21swapper/208:35:152
2313099120,11cyclictest0-21swapper/208:05:142
2312799122,7cyclictest0-21swapper/108:02:011
2312799121,9cyclictest0-21swapper/108:50:191
2312799120,11cyclictest0-21swapper/107:50:161
2312599129,2cyclictest7211-21diskmemload09:46:470
2312599129,2cyclictest0-21swapper/012:35:070
2312599129,2cyclictest0-21swapper/012:33:570
2312599129,2cyclictest0-21swapper/010:57:270
2312599129,2cyclictest0-21swapper/010:46:070
2312599129,2cyclictest0-21swapper/010:41:110
2312599129,2cyclictest0-21swapper/008:00:120
2312599120,2cyclictest0-21swapper/011:11:520
2312599120,2cyclictest0-21swapper/009:00:120
2312599120,11cyclictest23375-21ssh09:25:270
2312599120,11cyclictest0-21swapper/011:45:040
2312599120,11cyclictest0-21swapper/010:50:270
2312599120,11cyclictest0-21swapper/010:35:170
2312599120,11cyclictest0-21swapper/010:26:450
2312599120,11cyclictest0-21swapper/009:55:470
2312599120,11cyclictest0-21swapper/009:52:160
2312599120,11cyclictest0-21swapper/007:40:150
2313199118,2cyclictest0-21swapper/312:35:043
2313199111,6cyclictest0-21swapper/308:40:003
2313199110,2cyclictest0-21swapper/311:45:413
2313199110,2cyclictest0-21swapper/307:25:163
2313099110,1cyclictest0-21swapper/208:53:272
2312799118,2cyclictest7211-21diskmemload10:26:081
2312599118,2cyclictest2455-21sh11:16:590
2312599118,2cyclictest0-21swapper/008:55:140
2312599111,6cyclictest0-21swapper/008:41:030
2312599111,6cyclictest0-21swapper/007:25:000
2312599110,9cyclictest0-21swapper/007:55:000
2312599110,2cyclictest0-21swapper/010:31:520
2312599110,10cyclictest0-21swapper/007:36:050
2313199107,2cyclictest0-21swapper/307:55:303
2313199102,6cyclictest0-21swapper/307:16:023
2313099107,2cyclictest21034-21kworker/u8:008:44:042
2312599107,2cyclictest0-21swapper/011:50:310
2312599107,2cyclictest0-21swapper/008:50:200
2312599107,2cyclictest0-21swapper/007:33:150
2312599105,3cyclictest9739-21grep07:55:140
2312599101,5cyclictest0-21swapper/011:20:000
2312599101,5cyclictest0-21swapper/008:10:000
231319996,2cyclictest0-21swapper/307:40:123
231319994,3cyclictest3127-21nscd07:50:183
231319994,3cyclictest23847-21tr08:30:143
231319992,6cyclictest0-21swapper/308:11:003
231319991,3cyclictest0-21swapper/308:45:133
231319990,7cyclictest0-21swapper/307:35:123
231309996,2cyclictest0-21swapper/209:00:502
231259994,3cyclictest7382-21latency_hist07:50:000
231259994,3cyclictest4125-21wc12:25:170
231259994,3cyclictest23900-21df_abs08:30:140
231259994,3cyclictest0-21swapper/008:18:280
231259990,3cyclictest0-21swapper/008:50:000
231319984,2cyclictest5464-21cut09:05:133
231259983,3cyclictest54172sleep009:05:090
231259983,3cyclictest29750-21sed07:25:140
231259983,3cyclictest26430-21grep08:35:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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