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2026-08-28 - 19:43

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Fri Aug 28, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22808211596,12sleep30-21swapper/307:05:183
23432210897,6sleep00-21swapper/007:07:560
23340210892,11sleep10-21swapper/107:06:441
23434210681,6sleep20-21swapper/207:07:582
202062740,1sleep20-21swapper/211:02:242
272482540,2sleep02362099cyclictest10:35:570
23621993717,18cyclictest0-21swapper/111:40:111
222912310,1sleep2301ktimersoftd/209:25:002
23622993027,2cyclictest8719-21kworker/u8:110:28:052
23622993027,2cyclictest8117-21kworker/u8:109:28:022
23622993027,2cyclictest4968-21kworker/u8:009:50:062
23622993027,2cyclictest24558-21kworker/u8:211:11:042
23622992926,2cyclictest8117-21kworker/u8:109:19:042
23622992926,2cyclictest5824-21kworker/u8:111:26:042
23622992926,2cyclictest5824-21kworker/u8:111:07:042
23622992926,2cyclictest4968-21kworker/u8:009:48:042
23622992926,2cyclictest2988-21kworker/u8:111:58:042
23622992926,2cyclictest28013-21kworker/u8:211:50:042
23623992825,2cyclictest8117-21kworker/u8:109:28:053
23623992825,2cyclictest5824-21kworker/u8:111:28:053
23623992825,2cyclictest20397-21kworker/u8:010:32:043
23623992825,2cyclictest16918-21kworker/u8:109:58:043
23623992825,2cyclictest12691-21kworker/u8:210:59:043
2362299282,18cyclictest0-21swapper/209:37:052
23623992724,2cyclictest28791-21kworker/u8:209:45:043
23622992724,2cyclictest25843-21kworker/u8:210:39:042
23622992724,2cyclictest21608-21kworker/u8:111:41:052
229342270,1sleep10-21swapper/109:58:221
23623992623,2cyclictest5824-21kworker/u8:110:54:023
23623992623,2cyclictest5824-21kworker/u8:110:48:053
23623992623,2cyclictest22061-21kworker/u8:212:36:053
23623992623,2cyclictest16470-21kworker/u8:112:17:053
23622992623,2cyclictest29559-21kworker/u8:208:47:042
23622992623,2cyclictest22816-21kworker/u8:207:12:012
23622992623,2cyclictest14013-21kworker/u8:108:21:042
2362099260,24cyclictest0-21swapper/011:35:120
23623992522,2cyclictest4968-21kworker/u8:009:42:043
23623992522,2cyclictest29881-21kworker/u8:011:19:053
23623992522,2cyclictest25843-21kworker/u8:210:43:043
23623992522,2cyclictest23379-21kworker/u8:010:22:043
23623992522,2cyclictest23379-21kworker/u8:010:19:043
23623992522,2cyclictest13790-21kworker/u8:009:21:043
23623992522,2cyclictest12691-21kworker/u8:211:00:053
23622992522,2cyclictest3801-21kworker/u8:009:10:022
23622992522,2cyclictest31416-21kworker/u8:008:10:042
2362299250,10cyclictest0-21swapper/210:08:042
23623992421,2cyclictest2988-21kworker/u8:111:57:043
23623992421,2cyclictest29559-21kworker/u8:208:56:053
23623992421,2cyclictest29559-21kworker/u8:208:49:043
23623992421,2cyclictest28013-21kworker/u8:211:47:043
23623992421,2cyclictest25843-21kworker/u8:210:38:053
23623992421,2cyclictest19549-21kworker/u8:011:05:043
23623992421,2cyclictest16470-21kworker/u8:112:22:043
23623992421,2cyclictest16470-21kworker/u8:112:07:043
23623992421,2cyclictest13790-21kworker/u8:009:17:043
23622992421,2cyclictest31416-21kworker/u8:007:52:022
23622992421,2cyclictest29559-21kworker/u8:209:05:052
23622992421,2cyclictest29559-21kworker/u8:209:05:042
23622992421,2cyclictest29559-21kworker/u8:208:43:052
23623992321,1cyclictest0-21swapper/308:15:113
23623992320,2cyclictest8117-21kworker/u8:109:39:053
23623992320,2cyclictest8117-21kworker/u8:109:32:043
23623992320,2cyclictest5824-21kworker/u8:111:32:043
23623992320,2cyclictest5824-21kworker/u8:111:22:043
23623992320,2cyclictest4968-21kworker/u8:009:51:043
23623992320,2cyclictest2988-21kworker/u8:111:53:053
23623992320,2cyclictest29881-21kworker/u8:011:13:043
23623992320,2cyclictest23379-21kworker/u8:010:03:053
23623992320,2cyclictest21608-21kworker/u8:111:39:043
23623992320,2cyclictest1131-21kworker/u8:012:25:043
23623992320,2cyclictest1131-21kworker/u8:012:25:043
23622992320,2cyclictest31416-21kworker/u8:007:57:042
23622992320,2cyclictest29881-21kworker/u8:011:15:052
23622992320,2cyclictest29559-21kworker/u8:208:50:052
23622992320,2cyclictest14013-21kworker/u8:108:28:022
23623992219,2cyclictest9435-21kworker/u8:012:02:043
23623992219,2cyclictest29314-21kworker/u8:110:06:043
23623992219,2cyclictest22817-21kworker/u8:308:05:043
23623992219,2cyclictest14013-21kworker/u8:108:27:053
23623992219,2cyclictest14013-21kworker/u8:108:24:013
23623992219,2cyclictest1131-21kworker/u8:012:32:043
2362399220,2cyclictest0-21swapper/311:40:103
23622992219,2cyclictest22817-21kworker/u8:307:17:042
23622992219,2cyclictest14013-21kworker/u8:108:38:012
2362199220,2cyclictest0-21swapper/111:20:101
2362199220,20cyclictest0-21swapper/112:26:031
2362199220,20cyclictest0-21swapper/112:26:021
2362099221,19cyclictest0-21swapper/007:35:110
140572220,1sleep20-21swapper/212:04:052
23623992118,2cyclictest9435-21kworker/u8:012:10:043
23623992118,2cyclictest29559-21kworker/u8:209:04:043
23623992118,2cyclictest22817-21kworker/u8:307:16:013
2362299212,2cyclictest0-21swapper/212:30:052
2362299211,18cyclictest0-21swapper/207:45:112
2362299210,7cyclictest0-21swapper/210:21:042
2362199210,2cyclictest0-21swapper/111:15:541
2362199210,2cyclictest0-21swapper/111:10:131
2362099211,2cyclictest0-21swapper/011:50:130
2362099210,2cyclictest0-21swapper/010:45:110
2362099210,19cyclictest0-21swapper/007:20:110
23623992017,2cyclictest8117-21kworker/u8:109:12:053
23623992017,2cyclictest32124-21kworker/u8:108:52:033
23623992017,2cyclictest31416-21kworker/u8:007:44:043
23623992017,2cyclictest22817-21kworker/u8:307:56:043
23623992017,2cyclictest22817-21kworker/u8:307:49:043
23623992017,2cyclictest22816-21kworker/u8:207:24:043
23623992017,2cyclictest14013-21kworker/u8:108:11:043
2362299201,2cyclictest0-21swapper/207:36:022
23621992010,8cyclictest29959-21if_eth012:20:151
23621992010,6cyclictest0-21swapper/110:11:431
2362199200,2cyclictest0-21swapper/109:28:041
2362199200,13cyclictest0-21swapper/111:28:531
23623991916,2cyclictest31416-21kworker/u8:008:00:053
23623991916,2cyclictest31416-21kworker/u8:007:53:053
23623991916,2cyclictest31416-21kworker/u8:007:34:043
23623991916,2cyclictest22816-21kworker/u8:207:14:023
23623991916,2cyclictest14013-21kworker/u8:108:34:043
2362399190,2cyclictest0-21swapper/310:13:053
2362299190,5cyclictest0-21swapper/209:56:042
2362299190,2cyclictest0-21swapper/212:38:022
2362299190,2cyclictest0-21swapper/211:35:042
2362299190,2cyclictest0-21swapper/211:20:042
2362299190,2cyclictest0-21swapper/210:44:042
2362299190,2cyclictest0-21swapper/210:31:042
2362299190,2cyclictest0-21swapper/210:10:042
2362299190,2cyclictest0-21swapper/209:02:042
2362299190,2cyclictest0-21swapper/208:18:022
2362299190,2cyclictest0-21swapper/208:05:112
2362199198,9cyclictest0-21swapper/107:25:141
2362199193,2cyclictest0-21swapper/111:03:521
2362199191,16cyclictest24332-21munin-node1
2362099190,2cyclictest0-21swapper/009:10:110
66542180,1sleep10-21swapper/109:05:161
66542180,1sleep10-21swapper/109:05:151
23623991815,2cyclictest14013-21kworker/u8:108:37:043
2362299180,2cyclictest0-21swapper/211:33:042
2362199181,3cyclictest0-21swapper/110:05:121
2362199181,15cyclictest0-21swapper/112:06:021
2362199181,15cyclictest0-21swapper/108:51:041
2362199180,2cyclictest0-21swapper/110:25:201
23623991714,2cyclictest3801-21kworker/u8:009:08:043
23623991714,2cyclictest3801-21kworker/u8:009:08:043
2362399170,2cyclictest0-21swapper/307:35:053
2362199175,3cyclictest0-21swapper/107:35:141
2362199174,3cyclictest2849-21rs:main1
2362199174,3cyclictest14843-21sendmail-mta10:24:491
2362199174,3cyclictest0-21swapper/110:35:231
2362199174,3cyclictest0-21swapper/108:55:121
2362199174,2cyclictest0-21swapper/111:35:131
2362199173,3cyclictest5780-21df_abs11:55:131
2362199172,5cyclictest2849-21rs:main1
2362199172,13cyclictest0-21swapper/112:39:581
2362199171,6cyclictest23056-21sendmail-mta12:14:211
2362199171,6cyclictest0-21swapper/107:18:551
2362199170,2cyclictest0-21swapper/112:31:441
2362199170,15cyclictest15982-21munin-node1
2362199170,15cyclictest0-21swapper/109:46:011
2362199170,14cyclictest0-21swapper/111:45:591
2362199167,3cyclictest3613-21munin-node1
2362199164,3cyclictest7711-21diskmemload12:19:241
2362199164,3cyclictest29768-21chrt08:43:441
2362199164,2cyclictest0-21swapper/109:16:091
2362199163,3cyclictest0-21swapper/107:48:401
2362199161,7cyclictest0-21swapper/108:30:141
2362199161,6cyclictest0-21swapper/111:32:311
2362199161,6cyclictest0-21swapper/110:50:161
2362199161,6cyclictest0-21swapper/110:33:031
2362199161,6cyclictest0-21swapper/109:39:281
2362199161,6cyclictest0-21swapper/109:12:221
2362199161,5cyclictest14939-21cut09:50:131
2362199161,5cyclictest0-21swapper/110:55:221
2362199161,4cyclictest30798-21sort10:40:141
2362199161,4cyclictest10943-21ssh10:19:461
2362199161,4cyclictest0-21swapper/107:23:281
2362199161,3cyclictest0-21swapper/109:40:161
2362199161,13cyclictest0-21swapper/107:10:161
2362199160,8cyclictest13975-21munin-node1
2362199160,8cyclictest1254-21ssh11:50:191
2362199160,7cyclictest0-21swapper/109:20:131
2362199160,14cyclictest0-21swapper/110:45:141
2362199160,14cyclictest0-21swapper/107:30:101
2362199160,11cyclictest0-21swapper/112:00:581
2362099161,3cyclictest6702-21ssh11:21:500
2362099161,13cyclictest26325-21ssh11:42:400
2362299150,2cyclictest0-21swapper/207:30:142
2362199154,3cyclictest10582-21modprobe07:55:141
2362199153,3cyclictest274-21jbd2/sda1-808:45:051
2362199153,3cyclictest22320-21cpuspeed_turbos08:25:141
2362199153,3cyclictest21510-21chrt08:21:121
2362199151,4cyclictest18848-21tr08:15:171
23621991510,3cyclictest4815-21open_files09:00:181
2362199150,7cyclictest0-21swapper/107:50:131
2362199150,6cyclictest0-21swapper/108:36:041
2362099151,3cyclictest13746-21ssh10:55:260
23620991512,2cyclictest0-21swapper/012:30:100
2362099151,12cyclictest8232-21diskstats10:50:140
2362099151,12cyclictest30872-21df10:40:140
2362099151,12cyclictest12551-21ssh09:47:190
23620991510,3cyclictest1624-21rm12:25:120
23620991510,3cyclictest1624-21rm12:25:110
66192140,2sleep00-21swapper/010:15:150
2362399141,3cyclictest29726-21sendmail-mta08:44:363
2362399140,2cyclictest0-21swapper/307:27:053
2362299149,3cyclictest0-21swapper/210:58:122
23622991410,2cyclictest0-21swapper/210:15:002
2362299140,2cyclictest0-21swapper/207:44:342
2362299140,12cyclictest27883-21ssh10:03:292
2362199141,4cyclictest12270-21tr08:00:121
2362099149,3cyclictest0-21swapper/012:18:120
23620991410,2cyclictest7711-21diskmemload12:10:000
23620991410,2cyclictest0-21swapper/012:10:160
2362099140,2cyclictest0-21swapper/011:03:400
2362099140,2cyclictest0-21swapper/010:20:100
2362099140,2cyclictest0-21swapper/009:52:210
2362099140,2cyclictest0-21swapper/008:01:000
2362099140,13cyclictest0-21swapper/011:28:300
2362299130,2cyclictest0-21swapper/212:20:052
2362299130,12cyclictest0-21swapper/212:27:332
2362299130,12cyclictest0-21swapper/212:27:322
2362299130,12cyclictest0-21swapper/210:52:012
2362299130,12cyclictest0-21swapper/210:47:312
2362299130,11cyclictest7711-21diskmemload12:05:452
2362299130,11cyclictest0-21swapper/212:18:342
2362099132,6cyclictest0-21swapper/008:10:000
23620991310,2cyclictest6061-21ssh09:40:260
23620991310,2cyclictest27104-21ssh10:02:160
23620991310,2cyclictest21663-21ssh09:24:050
23620991310,2cyclictest0-21swapper/012:00:060
23620991310,2cyclictest0-21swapper/011:07:410
23620991310,2cyclictest0-21swapper/010:29:000
23620991310,2cyclictest0-21swapper/009:55:390
23620991310,2cyclictest0-21swapper/009:35:150
23620991310,2cyclictest0-21swapper/009:27:010
2362099130,2cyclictest0-21swapper/012:35:200
2362099130,2cyclictest0-21swapper/010:30:120
2362099130,2cyclictest0-21swapper/007:45:030
2362099130,1cyclictest0-21swapper/011:45:100
2362099130,12cyclictest0-21swapper/011:10:120
2362099130,12cyclictest0-21swapper/010:05:400
2362099130,11cyclictest7641-21ssh11:56:330
301712120,2sleep20-21swapper/211:46:142
274592120,2sleep20-21swapper/209:30:102
2362299129,2cyclictest7711-21diskmemload12:11:012
2362299121,6cyclictest0-21swapper/209:00:002
2362299120,2cyclictest0-21swapper/207:25:032
2362299120,2cyclictest0-21swapper/207:21:022
2362099129,2cyclictest15819-21ssh11:31:130
2362099129,2cyclictest0-21swapper/012:22:180
2362099129,2cyclictest0-21swapper/009:15:570
2362099129,2cyclictest0-21swapper/008:15:160
2362099128,2cyclictest1569-21ssh10:10:080
2362099122,7cyclictest0-21swapper/008:48:010
2362099122,7cyclictest0-21swapper/008:20:010
2362099121,9cyclictest1300-21apt-get07:35:000
2362099120,2cyclictest0-21swapper/008:55:120
2362099120,11cyclictest0-21swapper/011:15:410
2362099120,11cyclictest0-21swapper/009:30:150
2362099120,11cyclictest0-21swapper/007:25:140
2362299110,10cyclictest0-21swapper/209:42:152
2362099118,2cyclictest0-21swapper/008:51:030
2362099116,3cyclictest6476-21perl09:05:140
2362099116,3cyclictest6476-21perl09:05:130
2362099116,3cyclictest0-21swapper/008:35:110
2362099112,5cyclictest0-21swapper/008:00:000
2362099111,6cyclictest0-21swapper/009:00:110
2362099110,9cyclictest0-21swapper/007:55:010
2362099110,2cyclictest0-21swapper/007:13:500
2362299101,6cyclictest0-21swapper/208:30:592
2362299100,9cyclictest0-21swapper/208:03:322
2362099107,2cyclictest5578-21gzip07:44:320
2362099106,2cyclictest0-21swapper/008:34:130
2362099102,6cyclictest0-21swapper/008:05:010
2362099100,9cyclictest0-21swapper/008:44:150
2362099100,8cyclictest26114-21cpuspeed_turbos07:15:140
2362099100,8cyclictest0-21swapper/008:25:140
236239994,3cyclictest16839-21if_err_eth010:25:163
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