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2026-09-10 - 16:47

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 Thu Sep 10, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20488211188,18sleep10-21swapper/107:09:141
19823210985,18sleep00-21swapper/007:05:480
1175721080,1sleep211756-21ssh11:26:052
1705621040,1sleep317055-21ssh12:36:453
19797210378,19sleep20-21swapper/207:05:342
20464210084,11sleep30-21swapper/307:08:563
154002700,0sleep20-21swapper/210:57:482
184262690,0sleep20-21swapper/211:33:402
83952680,0sleep30-21swapper/311:55:293
156322680,1sleep015633-21cat11:30:200
249442660,0sleep20-21swapper/212:12:202
78222590,5sleep02057899cyclictest12:27:450
20579993617,18cyclictest0-21swapper/110:55:111
20578993227,3cyclictest15850-21kworker/u8:211:02:060
20578993128,2cyclictest14593-21kworker/u8:209:22:020
321732280,0sleep30-21swapper/311:15:133
20581992824,2cyclictest23169-21kworker/u8:009:18:053
20578992724,2cyclictest14659-21kworker/u8:012:37:050
20578992724,2cyclictest14593-21kworker/u8:209:37:050
21182260,1sleep10-21swapper/112:21:531
20581992623,2cyclictest8052-21kworker/u8:011:49:053
20578992623,2cyclictest3855-21kworker/u8:010:23:050
20578992623,2cyclictest26122-21kworker/u8:111:53:040
53412250,0sleep00-21swapper/009:10:160
20581992521,2cyclictest32435-21ssh09:37:043
20578992522,2cyclictest14593-21kworker/u8:209:31:040
2057899245,14cyclictest15078-1kworker/0:0H10:05:050
20578992320,2cyclictest25435-21kworker/u8:110:12:050
20578992320,2cyclictest21798-21kworker/u8:010:53:040
20578992320,2cyclictest21798-21kworker/u8:010:34:060
20578992320,2cyclictest1828-21kworker/u8:211:28:040
20578992320,2cyclictest10537-21kworker/u8:110:58:050
20581992218,2cyclictest14593-21kworker/u8:209:24:063
2058099221,2cyclictest0-21swapper/208:45:112
20578992219,2cyclictest8052-21kworker/u8:011:44:050
20578992219,2cyclictest8052-21kworker/u8:011:37:050
20578992219,2cyclictest14593-21kworker/u8:209:40:050
2057899221,19cyclictest0-21swapper/007:40:110
2057899220,17cyclictest0-21swapper/011:48:050
20581992117,2cyclictest0-21swapper/310:55:113
2058199210,16cyclictest0-21swapper/310:32:053
2058099210,19cyclictest32188-21ssh10:10:102
2058099210,19cyclictest0-21swapper/207:35:092
20578992118,2cyclictest30844-21kworker/u8:112:32:040
20578992118,2cyclictest30614-21kworker/u8:210:16:050
20578992118,2cyclictest21798-21kworker/u8:010:36:050
20578992118,2cyclictest15850-21kworker/u8:211:09:040
20581992017,2cyclictest7326-21kworker/u8:012:07:053
20581992017,2cyclictest22527-21kworker/u8:010:03:043
20581992010,7cyclictest20577-21cyclictest09:57:043
2058199200,15cyclictest0-21swapper/311:13:043
20578992017,2cyclictest14831-21kworker/u8:112:06:040
20578992017,2cyclictest10757-21kworker/u8:209:54:040
2057899200,18cyclictest0-21swapper/010:46:050
20581991916,2cyclictest8052-21kworker/u8:011:34:053
20581991916,2cyclictest4918-21kworker/u8:109:43:043
20581991916,2cyclictest2601-21kworker/u8:107:56:053
20581991916,2cyclictest25435-21kworker/u8:110:11:043
20581991916,2cyclictest24754-21kworker/u8:212:18:043
20581991916,2cyclictest23169-21kworker/u8:009:10:043
20581991916,2cyclictest21798-21kworker/u8:010:54:023
20581991916,2cyclictest15850-21kworker/u8:211:08:053
20581991916,2cyclictest14955-21kworker/u8:008:16:053
20578991916,2cyclictest9056-21kworker/u8:208:35:050
20578991916,2cyclictest7326-21kworker/u8:012:00:050
20578991916,2cyclictest5925-21kworker/u8:007:51:040
20578991916,2cyclictest24754-21kworker/u8:212:15:040
2057899190,2cyclictest0-21swapper/010:29:040
2057899190,2cyclictest0-21swapper/008:50:120
2057899190,18cyclictest0-21swapper/009:58:050
2057899190,18cyclictest0-21swapper/009:47:050
2057899190,18cyclictest0-21swapper/009:47:050
2057899190,14cyclictest0-21swapper/011:20:020
57532180,0sleep20-21swapper/211:53:192
20581991815,2cyclictest9800-21kworker/u8:110:24:043
20581991815,2cyclictest9056-21kworker/u8:209:05:053
20581991815,2cyclictest30844-21kworker/u8:112:25:043
20581991815,2cyclictest30844-21kworker/u8:112:22:063
20581991815,2cyclictest14801-21kworker/u8:310:42:053
20581991815,2cyclictest10757-21kworker/u8:209:53:053
2058199180,14cyclictest0-21swapper/310:26:053
20578991815,2cyclictest31616-21kworker/u8:207:17:040
2057899180,2cyclictest0-21swapper/012:23:050
2057899180,2cyclictest0-21swapper/012:12:050
2057899180,2cyclictest0-21swapper/010:43:040
20581991714,2cyclictest8052-21kworker/u8:011:23:053
20581991714,2cyclictest4918-21kworker/u8:109:48:023
20581991714,2cyclictest4918-21kworker/u8:109:48:013
20581991714,2cyclictest26122-21kworker/u8:111:42:053
2058199170,12cyclictest0-21swapper/311:01:043
20580991714,2cyclictest3127-21nscd11:40:102
20578991714,2cyclictest9056-21kworker/u8:208:10:050
20578991714,2cyclictest26661-21kworker/u8:108:44:010
20578991714,2cyclictest26456-21kworker/u8:307:47:050
20578991714,2cyclictest26456-21kworker/u8:307:26:010
20578991714,2cyclictest24927-21kworker/u8:007:21:050
2057899170,2cyclictest0-21swapper/010:02:050
2057899170,16cyclictest0-21swapper/009:29:050
2057899170,12cyclictest0-21swapper/008:55:050
20581991613,2cyclictest2601-21kworker/u8:108:14:043
20581991613,2cyclictest24927-21kworker/u8:007:34:053
20581991613,2cyclictest23169-21kworker/u8:008:37:043
20581991613,2cyclictest14593-21kworker/u8:209:28:043
2058199161,13cyclictest4600-21diskmemload12:00:043
2057999161,3cyclictest0-21swapper/107:10:111
20578991613,2cyclictest9056-21kworker/u8:208:25:040
20578991613,2cyclictest24927-21kworker/u8:007:36:040
20578991613,2cyclictest24927-21kworker/u8:007:32:050
20578991613,2cyclictest23169-21kworker/u8:009:08:040
2057899160,2cyclictest0-21swapper/011:10:050
20581991512,2cyclictest9056-21kworker/u8:208:07:053
20581991512,2cyclictest31616-21kworker/u8:207:16:063
2058199151,12cyclictest0-21swapper/311:36:013
2058199150,2cyclictest0-21swapper/312:13:043
2058199150,2cyclictest0-21swapper/311:51:043
2058199150,14cyclictest0-21swapper/312:31:053
2058099151,12cyclictest0-21swapper/209:36:532
2058099150,13cyclictest0-21swapper/212:17:382
2057999151,12cyclictest221ktimersoftd/109:45:131
2057999151,12cyclictest221ktimersoftd/109:45:121
2057999151,12cyclictest12207-21apt-get12:00:121
2057999150,3cyclictest0-21swapper/110:27:301
2057999150,13cyclictest14378-21munin-run11:29:591
2057999150,13cyclictest0-21swapper/111:33:271
2057999150,13cyclictest0-21swapper/109:52:471
20581991411,2cyclictest26661-21kworker/u8:108:45:043
20581991411,2cyclictest23169-21kworker/u8:008:42:053
20581991411,2cyclictest21798-21kworker/u8:010:35:043
2058199140,2cyclictest0-21swapper/309:30:063
2058199140,12cyclictest0-21swapper/310:15:463
2058099149,3cyclictest0-21swapper/210:16:032
2058099142,6cyclictest12016-21ssh10:54:592
2058099141,3cyclictest32115-21ssh11:46:522
20580991411,2cyclictest20577-21cyclictest09:15:432
20580991410,2cyclictest6957-21ssh09:44:482
20580991410,2cyclictest0-21swapper/211:15:132
2058099140,2cyclictest0-21swapper/211:10:182
2058099140,12cyclictest8253-21sendmail-mta11:23:302
2058099140,12cyclictest27827-21ps07:25:172
2058099140,12cyclictest18635-21rm09:23:442
2058099140,12cyclictest0-21swapper/211:37:592
2058099140,12cyclictest0-21swapper/211:01:202
2058099140,12cyclictest0-21swapper/209:48:482
2058099140,12cyclictest0-21swapper/209:48:472
2057999149,3cyclictest24412-21munin-run10:35:011
2057999149,3cyclictest0-21swapper/111:21:421
20579991411,2cyclictest0-21swapper/112:05:171
2057999140,3cyclictest22442-21sendmail-mta07:15:161
2057999140,12cyclictest4600-21diskmemload11:14:431
2057999140,12cyclictest207150irq/24-eth110:44:121
2057999140,12cyclictest12056-21sensors_fan08:06:011
2057999140,12cyclictest0-21swapper/111:53:241
2057999140,12cyclictest0-21swapper/111:36:141
2057999140,12cyclictest0-21swapper/110:00:441
2057999140,11cyclictest0-21swapper/108:50:161
2057899142,7cyclictest0-21swapper/008:04:590
2057899140,2cyclictest0-21swapper/009:15:040
2057899140,2cyclictest0-21swapper/008:46:050
2057899140,2cyclictest0-21swapper/008:06:050
20581991310,2cyclictest9056-21kworker/u8:208:34:023
20581991310,2cyclictest26456-21kworker/u8:307:26:063
20581991310,2cyclictest24927-21kworker/u8:007:37:043
2058199130,2cyclictest0-21swapper/308:00:123
2058199130,12cyclictest0-21swapper/309:00:113
2058199130,12cyclictest0-21swapper/307:10:153
2058199130,11cyclictest0-21swapper/310:05:303
2058099138,3cyclictest14051-21sh12:34:412
20580991310,2cyclictest4600-21diskmemload10:08:442
20580991310,2cyclictest0-21swapper/212:35:062
20580991310,2cyclictest0-21swapper/212:20:582
20580991310,2cyclictest0-21swapper/211:57:492
20580991310,2cyclictest0-21swapper/211:05:102
20580991310,2cyclictest0-21swapper/210:37:142
20580991310,2cyclictest0-21swapper/210:34:092
20580991310,2cyclictest0-21swapper/210:26:032
20580991310,2cyclictest0-21swapper/210:00:002
20580991310,2cyclictest0-21swapper/209:54:282
20580991310,2cyclictest0-21swapper/209:30:322
20580991310,2cyclictest0-21swapper/209:26:392
20580991310,2cyclictest0-21swapper/208:50:132
2058099130,3cyclictest7302-21runrttasks09:11:392
2058099130,3cyclictest1414-21ssh10:44:212
2058099130,2cyclictest0-21swapper/212:29:242
2058099130,2cyclictest0-21swapper/212:05:342
2058099130,2cyclictest0-21swapper/207:46:342
2058099130,12cyclictest0-21swapper/210:20:182
2058099130,11cyclictest0-21swapper/212:01:182
2057999131,6cyclictest0-21swapper/107:24:591
2057999131,2cyclictest0-21swapper/111:43:101
2057999131,10cyclictest0-21swapper/109:11:191
20579991310,2cyclictest0-21swapper/112:16:131
20579991310,2cyclictest0-21swapper/112:11:551
20579991310,2cyclictest0-21swapper/111:57:101
20579991310,2cyclictest0-21swapper/110:49:221
20579991310,2cyclictest0-21swapper/110:08:501
20579991310,2cyclictest0-21swapper/109:55:161
20579991310,2cyclictest0-21swapper/109:27:321
20579991310,2cyclictest0-21swapper/108:30:281
20579991310,2cyclictest0-21swapper/107:40:171
2057999130,2cyclictest4600-21diskmemload11:46:181
2057999130,2cyclictest0-21swapper/110:21:121
2057999130,2cyclictest0-21swapper/110:10:101
2057999130,2cyclictest0-21swapper/109:35:121
2057999130,1cyclictest0-21swapper/111:15:171
2057999130,12cyclictest0-21swapper/112:26:221
2057999130,12cyclictest0-21swapper/110:17:301
2057999130,12cyclictest0-21swapper/109:40:391
2057999130,11cyclictest0-21swapper/107:46:351
2057899131,6cyclictest0-21swapper/011:14:590
2057899130,2cyclictest0-21swapper/011:55:140
96442120,3sleep123-21ksoftirqd/112:30:091
2058199129,2cyclictest24927-21kworker/u8:007:40:023
2058199129,2cyclictest0-21swapper/311:25:003
2058199120,2cyclictest0-21swapper/310:45:193
2058199120,2cyclictest0-21swapper/307:46:503
2058099129,2cyclictest0-21swapper/208:55:122
2058099122,5cyclictest30685-21apt-get07:35:002
2058099120,2cyclictest0-21swapper/210:45:272
2058099120,2cyclictest0-21swapper/207:10:152
2058099120,11cyclictest0-21swapper/209:55:532
2058099120,11cyclictest0-21swapper/208:35:592
2057999127,3cyclictest24890-21head07:20:131
2057999122,5cyclictest0-21swapper/109:05:001
2057999122,5cyclictest0-21swapper/107:39:591
2057999121,9cyclictest0-21swapper/108:40:191
2057999121,9cyclictest0-21swapper/108:20:141
2057999121,6cyclictest0-21swapper/108:50:011
2057999121,3cyclictest7476-21aten2.4_r3power10:50:121
2057999121,3cyclictest16720-21munin-run08:19:591
2057999120,2cyclictest0-21swapper/112:35:551
2057999120,2cyclictest0-21swapper/111:05:121
2057999120,2cyclictest0-21swapper/111:01:021
2057999120,2cyclictest0-21swapper/110:35:441
2057999120,11cyclictest0-21swapper/109:30:021
2057999120,11cyclictest0-21swapper/109:15:331
2057999120,11cyclictest0-21swapper/108:25:141
2057999120,11cyclictest0-21swapper/108:00:181
2057999120,10cyclictest15135-21cut09:20:121
2057899129,2cyclictest31616-21kworker/u8:207:11:040
2057899129,2cyclictest0-21swapper/007:55:180
2057899120,11cyclictest0-21swapper/008:15:130
175702120,2sleep30-21swapper/308:20:163
2058199118,2cyclictest26456-21kworker/u8:307:50:053
2058199116,3cyclictest32435-21grep08:56:033
2058199112,7cyclictest0-21swapper/308:51:013
2058099118,2cyclictest0-21swapper/209:00:152
2058099111,8cyclictest0-21swapper/208:40:122
2058099111,5cyclictest0-21swapper/209:10:012
2058099110,2cyclictest0-21swapper/208:06:272
2058099110,2cyclictest0-21swapper/208:00:172
2058099110,2cyclictest0-21swapper/207:15:252
2057999118,2cyclictest0-21swapper/108:55:151
2057999116,3cyclictest24904-21cat08:40:001
2057999111,8cyclictest615-21munin-node1
2057999110,9cyclictest0-21swapper/107:30:121
2057999110,10cyclictest0-21swapper/107:50:531
2057899110,2cyclictest0-21swapper/009:00:050
2057899110,2cyclictest0-21swapper/008:32:050
2057899110,2cyclictest0-21swapper/008:21:050
2058199105,3cyclictest18597-21sendmail-mta08:25:143
2058099107,2cyclictest0-21swapper/208:10:172
2058099105,3cyclictest6816-21cat07:55:002
2058099101,4cyclictest0-21swapper/207:24:592
2058099100,9cyclictest0-21swapper/208:33:462
2058099100,9cyclictest0-21swapper/207:56:062
2057999105,3cyclictest13853-21ps08:10:191
2057999100,2cyclictest0-21swapper/107:56:001
205819994,3cyclictest25996-21swap07:21:023
205809994,3cyclictest274-21jbd2/sda1-808:25:052
205809994,3cyclictest15786-21ntp_kernel_err08:15:172
205809991,4cyclictest0-21swapper/208:25:002
205809983,3cyclictest461-21latency_hist07:40:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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