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2026-11-06 - 23:44

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 792 highest latencies:
System rack3slot6s.osadl.org (updated Fri Nov 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142882121110,6sleep10-21swapper/107:08:431
14322210796,6sleep00-21swapper/007:09:100
14272210785,16sleep20-21swapper/207:08:312
14134210685,16sleep30-21swapper/307:06:443
253712800,5sleep01441399cyclictest09:37:040
252682790,0sleep10-21swapper/111:53:181
128092790,0sleep10-21swapper/110:31:251
86192770,0sleep20-21swapper/211:01:002
188152670,0sleep20-21swapper/210:05:002
14415994340,2cyclictest19999-21kworker/u8:110:11:052
14415994340,2cyclictest19999-21kworker/u8:109:33:042
14415994239,2cyclictest8500-21kworker/u8:010:23:042
14416994138,2cyclictest19999-21kworker/u8:109:32:053
14415994138,2cyclictest28561-21kworker/u8:209:53:052
14415994138,2cyclictest28485-21kworker/u8:011:22:052
14415994138,2cyclictest27324-21kworker/u8:012:33:042
14415994138,2cyclictest19999-21kworker/u8:109:45:052
14415994138,2cyclictest17829-21kworker/u8:211:42:062
14414994138,2cyclictest28485-21kworker/u8:010:52:051
14416994037,2cyclictest7424-21kworker/u8:012:24:023
14416994037,2cyclictest5904-21kworker/u8:310:45:053
14416994037,2cyclictest13142-21kworker/u8:112:32:043
14415993936,2cyclictest3224-21kworker/u8:111:31:052
14415993936,2cyclictest3224-21kworker/u8:111:31:042
14415993936,2cyclictest28485-21kworker/u8:011:26:052
14415993936,2cyclictest2193-21kworker/u8:110:59:052
14415993936,2cyclictest21709-21kworker/u8:212:25:052
14414993936,2cyclictest17829-21kworker/u8:211:42:021
14414993935,2cyclictest8799-21kworker/u8:109:11:051
220772380,4sleep11441499cyclictest10:07:401
14416993835,2cyclictest8500-21kworker/u8:010:13:053
14416993835,2cyclictest7424-21kworker/u8:012:12:053
14416993835,2cyclictest28561-21kworker/u8:209:29:053
14416993835,2cyclictest28561-21kworker/u8:209:16:053
14416993835,2cyclictest26460-21kworker/u8:210:42:053
14416993835,2cyclictest26460-21kworker/u8:210:39:053
14416993835,2cyclictest20721-21kworker/u8:011:55:043
14416993835,2cyclictest19999-21kworker/u8:109:43:043
14415993835,2cyclictest5904-21kworker/u8:310:28:052
14415993835,2cyclictest3224-21kworker/u8:111:39:052
14415993835,2cyclictest26460-21kworker/u8:210:35:052
14416993734,2cyclictest8500-21kworker/u8:010:18:053
14416993734,2cyclictest7424-21kworker/u8:012:19:053
14416993734,2cyclictest26460-21kworker/u8:210:32:043
14416993734,2cyclictest17829-21kworker/u8:211:41:043
14415993734,2cyclictest8799-21kworker/u8:109:15:042
14415993734,2cyclictest8500-21kworker/u8:009:56:012
14415993734,2cyclictest7424-21kworker/u8:012:14:052
14415993734,2cyclictest562-21kworker/u8:212:39:052
14415993734,2cyclictest28561-21kworker/u8:209:37:052
14415993734,2cyclictest28485-21kworker/u8:011:11:042
14415993734,2cyclictest26460-21kworker/u8:210:54:052
14416993633,2cyclictest8500-21kworker/u8:009:56:053
14416993633,2cyclictest3224-21kworker/u8:111:34:053
14416993633,2cyclictest3224-21kworker/u8:111:34:043
14416993633,2cyclictest28561-21kworker/u8:209:47:053
14416993633,2cyclictest28485-21kworker/u8:011:21:043
14416993633,2cyclictest28485-21kworker/u8:011:02:053
14416993633,2cyclictest26460-21kworker/u8:210:55:043
14416993633,2cyclictest20721-21kworker/u8:011:51:053
14416993633,2cyclictest17829-21kworker/u8:211:48:053
14415993633,2cyclictest8799-21kworker/u8:109:12:052
14415993633,2cyclictest598-21kworker/u8:008:21:042
14415993633,2cyclictest28005-21kworker/u8:107:41:052
14415993633,2cyclictest22363-21kworker/u8:007:31:042
14414993633,2cyclictest26460-21kworker/u8:210:43:051
14414993633,2cyclictest26460-21kworker/u8:210:12:041
14414993633,2cyclictest19999-21kworker/u8:109:42:051
14416993532,2cyclictest8500-21kworker/u8:010:05:043
14416993532,2cyclictest3224-21kworker/u8:111:37:053
14416993532,2cyclictest28485-21kworker/u8:011:28:053
14416993532,2cyclictest28485-21kworker/u8:011:07:053
14416993532,2cyclictest26811-21kworker/u8:212:00:023
14416993532,2cyclictest2301-21kworker/u8:112:08:013
14416993532,2cyclictest19999-21kworker/u8:110:01:053
14416993532,2cyclictest13142-21kworker/u8:112:26:053
14415993532,2cyclictest28005-21kworker/u8:107:26:042
14415993532,2cyclictest22966-21kworker/u8:009:01:052
14415993532,2cyclictest20721-21kworker/u8:012:02:062
14415993532,2cyclictest20721-21kworker/u8:011:54:022
14415993532,2cyclictest12765-21kworker/u8:207:18:042
14414993532,2cyclictest19999-21kworker/u8:110:02:051
14414993532,2cyclictest17829-21kworker/u8:211:33:051
14414993532,2cyclictest17829-21kworker/u8:211:33:041
14416993431,2cyclictest8500-21kworker/u8:010:21:043
14416993431,2cyclictest562-21kworker/u8:212:37:053
14416993431,2cyclictest17829-21kworker/u8:211:12:013
14415993431,2cyclictest8799-21kworker/u8:108:51:052
14414993431,2cyclictest28561-21kworker/u8:209:25:051
14414993431,2cyclictest28485-21kworker/u8:011:08:051
14414993431,2cyclictest13142-21kworker/u8:112:30:051
14414993431,2cyclictest11658-21kworker/u8:009:24:041
14416993330,2cyclictest8799-21kworker/u8:109:21:043
14416993330,2cyclictest28485-21kworker/u8:011:16:053
14416993330,2cyclictest12765-21kworker/u8:207:23:053
14415993330,2cyclictest598-21kworker/u8:008:31:052
14415993330,2cyclictest3590-21kworker/u8:208:07:052
14415993330,2cyclictest28485-21kworker/u8:011:06:052
14415993330,2cyclictest28005-21kworker/u8:107:57:052
14415993330,2cyclictest28005-21kworker/u8:107:57:042
14414993330,2cyclictest7424-21kworker/u8:012:22:041
14414993330,2cyclictest28561-21kworker/u8:209:19:051
14414993330,2cyclictest26811-21kworker/u8:212:07:051
14414993330,2cyclictest2193-21kworker/u8:111:04:041
14414993330,2cyclictest17829-21kworker/u8:211:13:041
14414993326,5cyclictest8413-21sendmail-mta08:17:051
14415993229,2cyclictest8799-21kworker/u8:108:40:012
14414993229,2cyclictest8500-21kworker/u8:009:59:041
14414993229,2cyclictest7424-21kworker/u8:012:11:041
14414993229,2cyclictest3224-21kworker/u8:111:36:051
14414993229,2cyclictest26460-21kworker/u8:210:46:051
14414993229,2cyclictest2193-21kworker/u8:110:58:051
14416993128,2cyclictest28005-21kworker/u8:107:43:053
14415993128,2cyclictest8799-21kworker/u8:109:07:042
14415993128,2cyclictest28005-21kworker/u8:108:00:052
14414993128,2cyclictest5904-21kworker/u8:310:27:051
14414993128,2cyclictest26460-21kworker/u8:210:37:041
1441399310,29cyclictest0-21swapper/011:00:110
14416993027,2cyclictest8799-21kworker/u8:109:14:053
14416993027,2cyclictest22363-21kworker/u8:007:37:053
14415993027,2cyclictest8799-21kworker/u8:108:16:042
14415993027,2cyclictest3590-21kworker/u8:208:14:052
14414993027,2cyclictest562-21kworker/u8:212:38:051
14414993027,2cyclictest26811-21kworker/u8:211:59:041
14414993027,2cyclictest19999-21kworker/u8:109:50:051
14414993027,2cyclictest19999-21kworker/u8:109:49:031
14414993027,2cyclictest17829-21kworker/u8:211:15:051
320842290,1sleep2301ktimersoftd/209:45:002
14416992926,2cyclictest29608-21kworker/u8:207:55:053
14416992926,2cyclictest29608-21kworker/u8:207:55:043
14415992926,2cyclictest8799-21kworker/u8:108:26:052
1441599290,18cyclictest0-21swapper/209:23:052
14414992926,2cyclictest28485-21kworker/u8:011:20:061
1441499290,11cyclictest0-21swapper/109:32:061
14416992825,2cyclictest8500-21kworker/u8:010:25:053
14416992825,2cyclictest3590-21kworker/u8:208:15:043
14416992825,2cyclictest28005-21kworker/u8:107:45:053
14416992825,2cyclictest22966-21kworker/u8:008:57:053
1441599280,15cyclictest0-21swapper/208:56:052
14414992825,2cyclictest8500-21kworker/u8:010:24:041
1441499280,18cyclictest0-21swapper/110:17:051
14416992724,2cyclictest8799-21kworker/u8:108:37:053
14416992724,2cyclictest598-21kworker/u8:008:25:043
14416992724,2cyclictest29608-21kworker/u8:207:54:013
14414992724,2cyclictest8799-21kworker/u8:108:52:021
14414992724,2cyclictest8799-21kworker/u8:108:29:051
14414992724,2cyclictest28005-21kworker/u8:107:12:041
14414992724,2cyclictest20721-21kworker/u8:012:02:021
14414992724,2cyclictest19999-21kworker/u8:109:35:041
14414992724,2cyclictest12765-21kworker/u8:207:22:031
14414992724,2cyclictest12765-21kworker/u8:207:17:051
1441499270,17cyclictest0-21swapper/111:48:041
14416992623,2cyclictest598-21kworker/u8:008:33:043
14416992623,2cyclictest3590-21kworker/u8:208:13:053
14416992623,2cyclictest3590-21kworker/u8:208:06:063
14416992623,2cyclictest12765-21kworker/u8:207:19:043
1441599260,18cyclictest0-21swapper/207:13:052
14414992623,2cyclictest598-21kworker/u8:008:22:051
14414992623,2cyclictest3590-21kworker/u8:208:03:051
14414992623,2cyclictest28485-21kworker/u8:011:25:041
14416992522,2cyclictest28005-21kworker/u8:107:30:003
14416992522,2cyclictest12765-21kworker/u8:207:25:043
14415992522,2cyclictest12765-21kworker/u8:207:24:042
14414992522,2cyclictest8799-21kworker/u8:108:38:051
14414992522,2cyclictest3590-21kworker/u8:208:11:051
14414992522,2cyclictest16953-21kworker/u8:208:45:041
14416992421,2cyclictest16953-21kworker/u8:208:43:043
1441599240,12cyclictest0-21swapper/210:47:042
14414992421,2cyclictest22363-21kworker/u8:007:34:041
14414992320,2cyclictest7424-21kworker/u8:012:16:051
14414992320,2cyclictest3590-21kworker/u8:208:09:041
14414992320,2cyclictest29608-21kworker/u8:207:51:051
14414992320,2cyclictest28005-21kworker/u8:107:47:041
14414992320,2cyclictest28005-21kworker/u8:107:27:051
14414992320,2cyclictest22966-21kworker/u8:008:58:041
14414992320,2cyclictest22363-21kworker/u8:007:35:051
14414992320,2cyclictest16953-21kworker/u8:208:41:051
1441599222,2cyclictest0-21swapper/210:30:022
1441599220,5cyclictest0-21swapper/211:46:062
1441499220,18cyclictest0-21swapper/107:43:051
1441399222,7cyclictest0-21swapper/011:45:010
1441399222,10cyclictest4556-21metacity11:18:590
1441599200,2cyclictest0-21swapper/212:20:042
1441599200,2cyclictest0-21swapper/210:15:052
14414992017,2cyclictest22966-21kworker/u8:009:00:021
1441699190,2cyclictest0-21swapper/310:52:053
1441699190,2cyclictest0-21swapper/309:50:053
1441699190,2cyclictest0-21swapper/309:35:043
1441699190,2cyclictest0-21swapper/308:52:023
1441699190,2cyclictest0-21swapper/308:45:043
1441699190,2cyclictest0-21swapper/307:10:043
1441699190,18cyclictest0-21swapper/309:00:023
1441599190,2cyclictest15946-21ssh09:27:042
1441599190,2cyclictest0-21swapper/210:06:052
1441599190,2cyclictest0-21swapper/208:47:052
1441599190,2cyclictest0-21swapper/207:53:052
1441599190,2cyclictest0-21swapper/207:38:042
1441499190,2cyclictest0-21swapper/112:26:051
1441499190,2cyclictest0-21swapper/107:55:051
1441499190,2cyclictest0-21swapper/107:55:051
1441599180,2cyclictest0-21swapper/207:48:062
1441499180,2cyclictest0-21swapper/108:33:031
1441599170,2cyclictest0-21swapper/211:17:052
1441399161,3cyclictest0-21swapper/011:40:010
1441399161,13cyclictest17138-21ssh11:45:050
1441599150,13cyclictest0-21swapper/212:17:492
1441399151,3cyclictest4087-21smartctl09:15:140
1441399151,12cyclictest5630-21apt-get10:25:050
1441399151,12cyclictest4434-21ssh11:30:360
1441399151,12cyclictest4434-21ssh11:30:360
14413991510,3cyclictest30706-21diskmemload11:26:530
14413991510,3cyclictest0-21swapper/010:56:310
14413991510,2cyclictest0-21swapper/009:45:120
1441399150,13cyclictest0-21swapper/010:48:590
1441399141,3cyclictest0-21swapper/009:10:500
1441399140,12cyclictest0-21swapper/010:15:240
1441399140,12cyclictest0-21swapper/009:58:110
14416991310,2cyclictest0-21swapper/308:20:113
14415991310,2cyclictest0-21swapper/212:06:302
1441599130,2cyclictest0-21swapper/211:59:272
1441399138,3cyclictest27542-21tail11:55:170
1441399133,3cyclictest1186-21stty10:20:130
14413991310,2cyclictest695-21ssh12:35:450
14413991310,2cyclictest28903-21ssh09:40:400
14413991310,2cyclictest0-21swapper/012:15:460
14413991310,2cyclictest0-21swapper/012:11:400
14413991310,2cyclictest0-21swapper/011:53:550
14413991310,2cyclictest0-21swapper/010:50:240
14413991310,2cyclictest0-21swapper/010:34:200
14413991310,2cyclictest0-21swapper/010:05:180
14413991310,2cyclictest0-21swapper/010:00:030
14413991310,2cyclictest0-21swapper/008:46:030
14413991310,2cyclictest0-21swapper/007:44:370
1441399130,2cyclictest0-21swapper/009:25:150
1441399130,12cyclictest0-21swapper/012:32:420
1441399130,12cyclictest0-21swapper/012:06:460
1441399130,12cyclictest0-21swapper/012:00:160
1441399130,12cyclictest0-21swapper/011:11:030
1441399130,12cyclictest0-21swapper/009:50:390
1441399130,12cyclictest0-21swapper/009:24:220
1441399130,11cyclictest30706-21diskmemload12:24:000
1441599120,2cyclictest23424-21ssh10:43:022
1441599120,11cyclictest0-21swapper/208:36:082
1441399129,2cyclictest0-21swapper/012:25:170
1441399129,2cyclictest0-21swapper/010:10:530
1441399129,2cyclictest0-21swapper/009:30:540
1441399129,2cyclictest0-21swapper/008:51:020
1441399129,2cyclictest0-21swapper/007:10:020
1441399127,3cyclictest0-21swapper/010:35:190
1441399122,7cyclictest0-21swapper/008:21:590
1441399122,3cyclictest19439-21awk08:40:150
1441399121,9cyclictest12839-21stty08:25:140
1441399121,6cyclictest0-21swapper/008:35:000
1441399121,6cyclictest0-21swapper/008:00:010
1441399121,6cyclictest0-21swapper/008:00:010
1441399121,6cyclictest0-21swapper/007:50:010
1441399121,4cyclictest18255-21grep08:36:030
1441399121,3cyclictest26047-21apt-get11:20:100
1441399121,3cyclictest24878-21apt-get08:55:100
1441399120,2cyclictest0-21swapper/010:40:040
1441399120,2cyclictest0-21swapper/008:16:020
1441399120,2cyclictest0-21swapper/007:35:130
1441399120,11cyclictest0-21swapper/011:07:030
40352110,2sleep30-21swapper/308:01:023
1441499110,10cyclictest0-21swapper/109:05:151
1441399119,1cyclictest0-21swapper/007:31:040
1441399118,2cyclictest0-21swapper/008:14:020
1441399111,8cyclictest3046-21cut08:00:120
1441399111,8cyclictest18759-21aten2.4-expect07:20:100
1441399110,9cyclictest5898-21switchtime08:06:020
1441399110,2cyclictest0-21swapper/007:15:530
1441399110,10cyclictest0-21swapper/009:07:230
1441399110,10cyclictest0-21swapper/009:00:250
1441399110,10cyclictest0-21swapper/007:26:130
1441699105,3cyclictest274-21jbd2/sda1-809:05:123
1441399101,7cyclictest30260-21grep07:46:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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