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2026-08-28 - 00:45

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 Thu Aug 27, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
86352114103,6sleep10-21swapper/107:09:531
8592210887,16sleep30-21swapper/307:09:193
8591210796,6sleep20-21swapper/207:09:182
8445210796,6sleep00-21swapper/007:07:240
291412750,0sleep20-21swapper/210:54:472
283772750,1sleep1221ktimersoftd/109:45:501
192452700,0sleep10-21swapper/110:44:231
281182540,1sleep30-21swapper/310:53:113
8672994628,16cyclictest0-21swapper/009:15:110
8675992926,2cyclictest12430-21kworker/u8:009:33:043
8674992926,2cyclictest25791-21kworker/u8:209:50:062
75112290,1sleep20-21swapper/210:31:102
8674992825,2cyclictest7017-21kworker/u8:209:30:052
8674992825,2cyclictest31841-21kworker/u8:009:57:052
8674992825,2cyclictest30985-21kworker/u8:111:00:052
8674992825,2cyclictest26646-21kworker/u8:109:18:052
8674992825,2cyclictest26099-21kworker/u8:110:28:052
8674992825,2cyclictest21565-21kworker/u8:211:31:052
8674992825,2cyclictest18792-21kworker/u8:109:37:052
867299280,26cyclictest2543-21ssh09:20:110
8675992724,2cyclictest3680-21kworker/u8:011:49:053
8674992724,2cyclictest31632-21kworker/u8:012:05:052
8674992724,2cyclictest31617-21kworker/u8:010:37:042
8674992724,2cyclictest31415-21kworker/u8:008:39:042
8674992724,2cyclictest26698-21kworker/u8:212:11:052
8674992724,2cyclictest26646-21kworker/u8:109:20:042
8674992724,2cyclictest26099-21kworker/u8:110:17:052
8674992724,2cyclictest21565-21kworker/u8:211:27:042
8674992724,2cyclictest21098-21kworker/u8:112:32:052
8674992724,2cyclictest21098-21kworker/u8:112:32:052
8674992724,2cyclictest21098-21kworker/u8:112:29:042
8674992724,2cyclictest18919-21kworker/u8:210:14:042
8674992623,2cyclictest9986-21kworker/u8:211:13:042
8674992623,2cyclictest3680-21kworker/u8:011:45:052
8674992623,2cyclictest3680-21kworker/u8:011:35:042
8674992623,2cyclictest31632-21kworker/u8:012:16:042
8674992623,2cyclictest30985-21kworker/u8:110:56:022
8674992623,2cyclictest19342-21kworker/u8:112:00:042
8674992522,2cyclictest8957-21kworker/u8:107:15:052
8674992522,2cyclictest3680-21kworker/u8:011:58:022
8674992522,2cyclictest30754-21kworker/u8:012:37:042
8674992522,2cyclictest25791-21kworker/u8:209:48:042
8674992522,2cyclictest22711-21kworker/u8:107:43:052
8674992522,2cyclictest20656-21kworker/u8:009:10:022
8674992522,2cyclictest18792-21kworker/u8:110:08:052
8674992522,2cyclictest17452-21kworker/u8:110:47:042
8674992421,2cyclictest3680-21kworker/u8:011:40:052
8674992421,2cyclictest31617-21kworker/u8:010:40:052
8674992421,2cyclictest31415-21kworker/u8:008:28:042
8674992421,2cyclictest29261-21kworker/u8:208:03:042
8674992421,2cyclictest20656-21kworker/u8:009:04:042
8674992421,2cyclictest20656-21kworker/u8:008:59:052
8674992421,2cyclictest12430-21kworker/u8:009:41:052
867499240,7cyclictest0-21swapper/211:24:052
217832240,0sleep00-21swapper/011:54:000
8675992320,2cyclictest21565-21kworker/u8:211:21:053
8674992320,2cyclictest7543-21kworker/u8:210:03:052
8674992320,2cyclictest31415-21kworker/u8:008:45:052
8674992320,2cyclictest31415-21kworker/u8:008:15:052
8674992320,2cyclictest31415-21kworker/u8:008:09:052
8674992320,2cyclictest3028-21kworker/u8:108:23:052
8674992320,2cyclictest22711-21kworker/u8:107:55:052
8675992219,2cyclictest13260-21kworker/u8:211:50:053
8674992219,2cyclictest31415-21kworker/u8:008:50:042
8674992219,2cyclictest31415-21kworker/u8:008:12:042
8674992219,2cyclictest19002-21kworker/u8:007:47:042
8674992219,2cyclictest14516-21kworker/u8:007:28:052
867499220,18cyclictest0-21swapper/208:44:052
867399229,2cyclictest21-21rcuc/111:49:051
8673992219,2cyclictest30985-21kworker/u8:110:57:051
867399220,18cyclictest0-21swapper/109:33:051
867299220,2cyclictest0-21swapper/008:25:110
8675992118,2cyclictest14516-21kworker/u8:212:21:053
8674992118,2cyclictest22711-21kworker/u8:107:51:052
8674992118,2cyclictest16602-21kworker/u8:207:38:042
8673992118,2cyclictest18919-21kworker/u8:210:13:041
867299211,18cyclictest0-21swapper/008:45:120
8675992017,2cyclictest3680-21kworker/u8:011:18:063
8675992017,2cyclictest3680-21kworker/u8:011:12:053
8675992017,2cyclictest31617-21kworker/u8:010:31:053
8675992017,2cyclictest3028-21kworker/u8:108:16:053
8675992017,2cyclictest26646-21kworker/u8:109:27:053
8675992017,2cyclictest18792-21kworker/u8:109:52:063
8675992017,2cyclictest1687-21kworker/u8:111:37:043
8674992017,2cyclictest20656-21kworker/u8:009:08:052
8674992017,2cyclictest20656-21kworker/u8:009:08:052
8673992017,2cyclictest7543-21kworker/u8:210:00:041
8673992017,2cyclictest5786-21kworker/u8:210:34:021
8673992017,2cyclictest3680-21kworker/u8:011:42:051
8673992017,2cyclictest18792-21kworker/u8:110:07:051
867399200,18cyclictest0-21swapper/111:21:051
8675991916,2cyclictest8281-21kworker/u8:112:18:043
8675991916,2cyclictest7543-21kworker/u8:210:02:053
8675991916,2cyclictest32256-21kworker/u8:009:22:043
8675991916,2cyclictest26099-21kworker/u8:110:29:053
8675991916,2cyclictest25228-21chrt07:50:053
867499190,2cyclictest0-21swapper/212:20:052
867499190,2cyclictest0-21swapper/211:16:052
867499190,2cyclictest0-21swapper/211:08:052
867499190,2cyclictest0-21swapper/209:28:052
867499190,2cyclictest0-21swapper/208:32:052
867499190,2cyclictest0-21swapper/207:32:052
867499190,16cyclictest0-21swapper/207:24:042
8673991916,2cyclictest8609-21kworker/u8:209:16:021
8673991916,2cyclictest3680-21kworker/u8:011:01:041
8675991815,2cyclictest3680-21kworker/u8:011:41:053
8675991815,2cyclictest32256-21kworker/u8:009:17:053
8675991815,2cyclictest18919-21kworker/u8:210:15:053
8675991815,2cyclictest18792-21kworker/u8:109:45:043
8675991815,2cyclictest17452-21kworker/u8:110:48:043
8675991815,2cyclictest17452-21kworker/u8:110:42:023
867599180,2cyclictest0-21swapper/310:57:053
8673991815,2cyclictest17452-21kworker/u8:110:49:051
8673991815,2cyclictest1687-21kworker/u8:111:39:051
8672991813,3cyclictest1986-21ssh11:00:100
8675991714,2cyclictest8609-21kworker/u8:209:13:053
8675991714,2cyclictest30985-21kworker/u8:111:03:043
8675991714,2cyclictest21098-21kworker/u8:112:35:043
8675991714,2cyclictest21098-21kworker/u8:112:34:053
8675991714,2cyclictest21098-21kworker/u8:112:34:053
8675991714,2cyclictest21098-21kworker/u8:112:27:043
8675991714,2cyclictest18919-21kworker/u8:210:20:013
8675991714,2cyclictest12430-21kworker/u8:009:35:053
8673991714,2cyclictest30985-21kworker/u8:111:07:051
8673991714,2cyclictest26099-21kworker/u8:110:24:051
867399170,2cyclictest0-21swapper/110:54:041
8675991613,2cyclictest26698-21kworker/u8:212:01:043
8675991613,2cyclictest18792-21kworker/u8:109:44:023
867599161,13cyclictest19143-21munin-node3
867599160,2cyclictest19692-21irqstats07:35:163
8673991613,2cyclictest3680-21kworker/u8:011:51:041
8673991613,2cyclictest3680-21kworker/u8:011:28:011
8673991613,2cyclictest31415-21kworker/u8:008:38:041
8673991613,2cyclictest22711-21kworker/u8:107:42:021
8673991613,2cyclictest21565-21kworker/u8:211:32:051
8673991613,2cyclictest20656-21kworker/u8:009:10:051
8673991613,2cyclictest18792-21kworker/u8:109:54:051
8673991613,2cyclictest12430-21kworker/u8:009:36:041
867399160,3cyclictest29657-21runrttasks12:01:181
867399160,2cyclictest0-21swapper/112:21:051
8672991613,2cyclictest0-21swapper/007:40:420
867299160,14cyclictest0-21swapper/009:30:190
8675991512,2cyclictest3680-21kworker/u8:011:56:053
8675991512,2cyclictest31415-21kworker/u8:008:07:053
8673991512,2cyclictest8609-21kworker/u8:208:55:051
8673991512,2cyclictest8609-21kworker/u8:208:51:041
8673991512,2cyclictest31617-21kworker/u8:010:38:041
8673991512,2cyclictest3028-21kworker/u8:108:22:021
867399150,3cyclictest10742-21rm12:15:301
867399150,3cyclictest0-21swapper/111:12:061
867399150,2cyclictest0-21swapper/111:18:051
867399150,2cyclictest0-21swapper/109:27:051
867399150,14cyclictest0-21swapper/109:21:071
867399150,13cyclictest15829-21ntp_states07:25:191
867399150,13cyclictest0-21swapper/108:46:011
867299159,5cyclictest0-21swapper/009:45:090
867299151,12cyclictest4849-21ssh11:35:290
867299151,12cyclictest32325-21ssh12:05:100
8672991510,3cyclictest0-21swapper/010:36:430
867299150,3cyclictest0-21swapper/010:10:160
867299150,2cyclictest0-21swapper/012:23:160
867299150,13cyclictest0-21swapper/012:38:400
867299150,13cyclictest0-21swapper/010:18:430
8675991411,2cyclictest6259-21kworker/u8:207:22:013
8675991411,2cyclictest31415-21kworker/u8:008:33:053
8675991411,2cyclictest26698-21kworker/u8:212:10:023
8675991411,2cyclictest26698-21kworker/u8:212:07:053
8673991411,2cyclictest8957-21kworker/u8:107:33:051
8673991411,2cyclictest31415-21kworker/u8:008:27:041
8673991411,2cyclictest14516-21kworker/u8:007:23:051
8673991411,2cyclictest0-21swapper/112:34:091
8673991411,2cyclictest0-21swapper/112:34:081
8673991411,2cyclictest0-21swapper/112:06:461
8673991411,2cyclictest0-21swapper/109:55:141
8673991411,2cyclictest0-21swapper/107:10:171
867399140,2cyclictest0-21swapper/112:25:281
867399140,2cyclictest0-21swapper/110:28:471
867399140,2cyclictest0-21swapper/110:15:051
867399140,13cyclictest0-21swapper/112:36:481
867399140,12cyclictest0-21swapper/107:15:191
8672991411,2cyclictest8671-21cyclictest10:59:070
8672991411,2cyclictest0-21swapper/012:00:160
8672991411,2cyclictest0-21swapper/011:10:160
8672991411,2cyclictest0-21swapper/010:43:360
8672991411,2cyclictest0-21swapper/008:40:150
8672991410,2cyclictest30157-21ntp_kernel_pll_08:00:170
867299140,3cyclictest0-21swapper/010:54:390
867299140,13cyclictest0-21swapper/012:25:160
867299140,12cyclictest8525-21ssh09:59:360
867299140,12cyclictest30705-21ssh11:29:530
867299140,12cyclictest0-21swapper/010:21:350
8675991310,2cyclictest8609-21kworker/u8:208:52:023
8675991310,2cyclictest6259-21kworker/u8:207:17:053
8675991310,2cyclictest31415-21kworker/u8:008:36:043
8675991310,2cyclictest22711-21kworker/u8:107:45:043
8675991310,2cyclictest19002-21kworker/u8:007:57:053
8675991310,2cyclictest16602-21kworker/u8:207:31:053
8675991310,2cyclictest14516-21kworker/u8:007:26:053
8675991310,2cyclictest0-21swapper/308:26:013
867599130,12cyclictest20968-40update-apt-xapi07:40:113
867599130,12cyclictest0-21swapper/310:35:043
867399131,10cyclictest0-21swapper/108:15:131
8673991310,2cyclictest22711-21kworker/u8:107:53:051
8673991310,2cyclictest16602-21kworker/u8:207:37:041
8673991310,2cyclictest0-21swapper/112:10:181
8673991310,2cyclictest0-21swapper/109:42:541
8673991310,2cyclictest0-21swapper/108:10:131
867399130,12cyclictest0-21swapper/111:55:121
867399130,12cyclictest0-21swapper/108:00:391
867299138,3cyclictest0-21swapper/007:14:590
8672991310,2cyclictest0-21swapper/012:31:360
8672991310,2cyclictest0-21swapper/012:31:350
8672991310,2cyclictest0-21swapper/012:15:130
8672991310,2cyclictest0-21swapper/012:10:300
8672991310,2cyclictest0-21swapper/011:56:570
8672991310,2cyclictest0-21swapper/011:46:000
8672991310,2cyclictest0-21swapper/011:40:570
8672991310,2cyclictest0-21swapper/011:20:180
8672991310,2cyclictest0-21swapper/011:05:500
8672991310,2cyclictest0-21swapper/010:47:030
8672991310,2cyclictest0-21swapper/010:06:170
8672991310,2cyclictest0-21swapper/010:00:260
8672991310,2cyclictest0-21swapper/009:13:030
8672991310,2cyclictest0-21swapper/007:15:400
867299130,2cyclictest24989-21diskmemload09:37:270
867299130,2cyclictest11009-21ssh09:28:190
867299130,2cyclictest0-21swapper/011:15:150
867299130,2cyclictest0-21swapper/010:32:100
867299130,2cyclictest0-21swapper/010:25:250
867299130,2cyclictest0-21swapper/009:41:190
867299130,12cyclictest0-21swapper/011:30:110
867299130,12cyclictest0-21swapper/009:53:280
867599129,2cyclictest31415-21kworker/u8:008:46:053
867599129,2cyclictest0-21swapper/308:01:033
867599120,2cyclictest0-21swapper/311:27:043
867599120,2cyclictest0-21swapper/311:07:053
867599120,11cyclictest0-21swapper/310:05:043
867599120,11cyclictest0-21swapper/308:55:053
867499120,10cyclictest0-21swapper/210:21:222
867399129,2cyclictest8609-21kworker/u8:208:43:051
867399129,2cyclictest31415-21kworker/u8:008:34:051
867399129,2cyclictest20656-21kworker/u8:009:09:051
867399129,2cyclictest20656-21kworker/u8:009:09:051
867399129,2cyclictest0-21swapper/108:05:251
867399120,2cyclictest0-21swapper/107:56:041
867299129,2cyclictest0-21swapper/007:45:160
867299120,11cyclictest0-21swapper/008:35:130
867599118,2cyclictest3028-21kworker/u8:108:20:053
867599110,2cyclictest0-21swapper/311:32:053
867499110,9cyclictest19994-21ssh11:51:092
867399118,2cyclictest0-21swapper/107:45:151
867399110,9cyclictest0-21swapper/109:00:111
867299118,2cyclictest0-21swapper/007:57:080
867299118,2cyclictest0-21swapper/007:35:070
867299118,2cyclictest0-21swapper/007:34:580
867299112,5cyclictest0-21swapper/007:51:000
867299111,5cyclictest0-21swapper/008:20:010
867299110,3cyclictest0-21swapper/007:25:180
867299110,2cyclictest0-21swapper/008:24:330
867299110,1cyclictest0-21swapper/008:10:190
867599107,2cyclictest21765-21hddtemp_smartct09:00:133
867599107,2cyclictest0-21swapper/309:58:253
867599107,2cyclictest0-21swapper/308:10:083
867599107,2cyclictest0-21swapper/307:14:463
867499102,7cyclictest0-21swapper/207:12:582
867299107,2cyclictest0-21swapper/009:00:070
867299107,2cyclictest0-21swapper/008:50:150
867299107,2cyclictest0-21swapper/007:24:260
867299101,7cyclictest19444-21sed08:55:140
867299101,6cyclictest0-21swapper/008:06:000
867299100,8cyclictest0-21swapper/009:05:150
867299100,8cyclictest0-21swapper/009:05:150
867299100,2cyclictest0-21swapper/008:33:500
233092100,2sleep30-21swapper/309:05:143
233092100,2sleep30-21swapper/309:05:133
86759984,3cyclictest0-21swapper/308:40:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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