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2026-07-02 - 21:09

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 Jul 02, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25812125100,20sleep00-21swapper/007:08:570
19322116104,6sleep10-21swapper/107:05:491
25842112101,6sleep30-21swapper/307:08:593
903621080,1sleep1269699cyclictest08:42:591
2658210795,6sleep20-21swapper/207:09:552
197062850,1sleep30-21swapper/309:45:133
204662790,0sleep00-21swapper/009:45:180
217962620,1sleep30-21swapper/309:11:343
269799310,30cyclictest0-21swapper/207:10:102
269599251,22cyclictest14171-21ssh12:35:130
269799242,17cyclictest0-21swapper/209:12:042
269699240,13cyclictest0-21swapper/111:45:121
2695992417,3cyclictest0-21swapper/012:00:100
269699232,20cyclictest0-21swapper/109:00:011
221392230,0sleep10-21swapper/112:08:161
2698992217,3cyclictest14654-21ssh11:25:103
269799220,17cyclictest0-21swapper/211:02:042
269899211,18cyclictest15061-21ssh09:40:123
269899210,19cyclictest0-21swapper/311:45:113
269899210,19cyclictest0-21swapper/309:50:113
269799210,19cyclictest0-21swapper/212:00:102
269599210,19cyclictest0-21swapper/008:25:120
269599210,19cyclictest0-21swapper/007:45:110
269899200,18cyclictest0-21swapper/307:40:123
2697992017,2cyclictest32680-21kworker/u8:108:22:052
2697992017,2cyclictest31975-21kworker/u8:010:13:042
2697992017,2cyclictest28578-21kworker/u8:208:28:042
2697992017,2cyclictest22927-21kworker/u8:211:34:062
2697992017,2cyclictest17859-21kworker/u8:012:21:052
2697992017,2cyclictest15013-21kworker/u8:011:06:052
2697991916,2cyclictest6978-21kworker/u8:209:02:012
2697991916,2cyclictest4708-21kworker/u8:207:26:052
2697991916,2cyclictest25564-21kworker/u8:008:17:042
2697991916,2cyclictest18726-21kworker/u8:109:52:052
2697991916,2cyclictest18726-21kworker/u8:109:47:042
2697991916,2cyclictest17859-21kworker/u8:012:13:042
2697991916,2cyclictest17516-21kworker/u8:207:56:052
2697991916,2cyclictest17516-21kworker/u8:207:47:042
2697991916,2cyclictest12173-21kworker/u8:211:58:052
2697991916,2cyclictest1038-21kworker/u8:107:52:042
269799191,2cyclictest0-21swapper/212:26:042
2696991916,2cyclictest7199-21kworker/u8:110:10:041
2696991916,2cyclictest6977-21kworker/u8:210:44:041
2696991916,2cyclictest16982-21kworker/u8:009:17:041
269599191,16cyclictest0-21swapper/009:10:120
269799182,14cyclictest0-21swapper/209:16:012
2697991815,2cyclictest7692-21kworker/u8:211:20:022
2697991815,2cyclictest7692-21kworker/u8:211:17:042
2697991815,2cyclictest6978-21kworker/u8:209:09:052
2697991815,2cyclictest3601-21kworker/u8:309:27:042
2697991815,2cyclictest10433-21kworker/u8:009:40:052
2697991815,2cyclictest1038-21kworker/u8:108:00:042
269799180,2cyclictest0-21swapper/210:27:042
269799180,13cyclictest0-21swapper/211:46:052
2696991815,2cyclictest28362-21kworker/u8:112:10:051
2696991815,2cyclictest25249-21kworker/u8:209:31:041
2697991714,2cyclictest32074-21kworker/u8:110:51:042
269799171,2cyclictest0-21swapper/209:56:042
269799170,2cyclictest0-21swapper/207:21:042
269799170,16cyclictest0-21swapper/207:39:042
2696991714,2cyclictest7692-21kworker/u8:211:18:011
2696991714,2cyclictest4708-21kworker/u8:207:25:041
2696991714,2cyclictest32074-21kworker/u8:110:54:051
2696991714,2cyclictest31975-21kworker/u8:010:15:041
2696991714,2cyclictest28578-21kworker/u8:208:12:041
2696991714,2cyclictest22927-21kworker/u8:211:38:041
2696991714,2cyclictest14271-21kworker/u8:112:39:051
269699170,12cyclictest0-21swapper/111:13:041
269899161,12cyclictest0-21swapper/309:21:233
269799162,2cyclictest0-21swapper/210:45:042
269799162,2cyclictest0-21swapper/210:20:122
2697991611,3cyclictest13107-21ssh12:33:462
2696991613,2cyclictest9120-21kworker/u8:008:54:041
2696991613,2cyclictest6978-21kworker/u8:208:48:021
2696991613,2cyclictest6586-21kworker/u8:011:56:051
2696991613,2cyclictest4708-21kworker/u8:207:36:011
2696991613,2cyclictest4708-21kworker/u8:207:24:041
2696991613,2cyclictest3601-21kworker/u8:309:29:041
2696991613,2cyclictest32680-21kworker/u8:108:33:051
2696991613,2cyclictest31975-21kworker/u8:010:00:051
2696991613,2cyclictest30620-21kworker/u8:112:25:041
2696991613,2cyclictest30620-21kworker/u8:112:20:051
2696991613,2cyclictest27137-21kworker/u8:010:36:041
2696991613,2cyclictest25249-21kworker/u8:209:35:041
2696991613,2cyclictest25249-21kworker/u8:209:35:041
2696991613,2cyclictest17704-21kworker/u8:111:30:041
2696991613,2cyclictest17516-21kworker/u8:208:04:041
2696991613,2cyclictest15013-21kworker/u8:011:00:041
2696991613,2cyclictest14564-21kworker/u8:108:57:051
2696991613,2cyclictest1038-21kworker/u8:107:49:041
2696991613,2cyclictest1038-21kworker/u8:107:16:021
269599161,3cyclictest0-21swapper/011:40:130
2695991611,3cyclictest0-21swapper/011:00:160
269899150,3cyclictest1241-21tr10:00:103
269899150,13cyclictest0-21swapper/311:04:003
269799153,2cyclictest0-21swapper/212:36:022
2697991512,2cyclictest25564-21kworker/u8:008:08:062
269799150,2cyclictest0-21swapper/209:33:052
269799150,11cyclictest0-21swapper/211:41:042
269799150,10cyclictest0-21swapper/210:57:052
2696991512,2cyclictest7692-21kworker/u8:211:20:061
2696991512,2cyclictest6371-21kworker/u8:212:31:041
2696991512,2cyclictest3601-21kworker/u8:309:44:021
2696991512,2cyclictest32074-21kworker/u8:110:55:051
2696991512,2cyclictest30620-21kworker/u8:112:18:041
2696991512,2cyclictest28578-21kworker/u8:208:27:041
2696991512,2cyclictest14931-21kworker/u8:210:28:011
269699150,12cyclictest0-21swapper/110:45:191
269599152,7cyclictest0-21swapper/011:00:010
269599152,7cyclictest0-21swapper/010:05:000
269599151,3cyclictest5450-21ls11:50:130
2695991510,3cyclictest0-21swapper/009:25:150
2695991510,3cyclictest0-21swapper/009:05:110
269599150,2cyclictest0-21swapper/008:20:160
269899140,12cyclictest0-21swapper/312:15:033
269899140,12cyclictest0-21swapper/312:11:183
2697991410,3cyclictest0-21swapper/211:35:112
269799140,2cyclictest0-21swapper/211:26:052
269799140,2cyclictest0-21swapper/211:11:042
269799140,2cyclictest0-21swapper/208:43:042
269799140,2cyclictest0-21swapper/207:30:012
269799140,2cyclictest0-21swapper/207:18:052
2696991411,2cyclictest28362-21kworker/u8:111:54:041
2696991411,2cyclictest25564-21kworker/u8:008:18:011
2696991411,2cyclictest1038-21kworker/u8:107:53:041
269699141,11cyclictest0-21swapper/107:30:161
269699140,2cyclictest0-21swapper/111:40:041
269699140,2cyclictest0-21swapper/109:51:371
269599149,3cyclictest3641-21sh12:23:380
269599141,2cyclictest2915-21apt-get07:10:100
2695991411,2cyclictest0-21swapper/010:05:160
269599140,2cyclictest0-21swapper/010:54:490
269599140,12cyclictest3253-21ssh11:11:430
269599140,12cyclictest0-21swapper/011:55:470
269599140,12cyclictest0-21swapper/011:21:130
269599140,12cyclictest0-21swapper/010:31:140
269899138,3cyclictest0-21swapper/312:00:173
2698991310,2cyclictest5413-21copy11:15:003
2698991310,2cyclictest0-21swapper/312:38:303
2698991310,2cyclictest0-21swapper/312:31:523
2698991310,2cyclictest0-21swapper/312:26:323
2698991310,2cyclictest0-21swapper/312:21:353
2698991310,2cyclictest0-21swapper/311:56:463
2698991310,2cyclictest0-21swapper/310:30:333
2698991310,2cyclictest0-21swapper/310:26:403
2698991310,2cyclictest0-21swapper/310:21:413
2698991310,2cyclictest0-21swapper/310:09:403
2698991310,2cyclictest0-21swapper/308:40:193
2698991310,2cyclictest0-21swapper/307:11:023
269899130,2cyclictest0-21swapper/311:40:443
269899130,2cyclictest0-21swapper/311:11:513
269899130,2cyclictest0-21swapper/311:08:063
269899130,2cyclictest0-21swapper/310:50:143
269899130,2cyclictest0-21swapper/310:48:413
269899130,2cyclictest0-21swapper/309:36:543
269899130,2cyclictest0-21swapper/309:36:543
269899130,2cyclictest0-21swapper/308:01:013
269899130,12cyclictest0-21swapper/311:35:183
269899130,12cyclictest0-21swapper/310:10:083
269899130,12cyclictest0-21swapper/309:55:523
269899130,12cyclictest0-21swapper/309:18:403
269899130,11cyclictest19264-21diskmemload09:31:353
269899130,11cyclictest0-21swapper/310:15:113
269799138,3cyclictest5485-21tr11:50:132
2697991310,2cyclictest6978-21kworker/u8:208:38:052
2697991310,2cyclictest0-21swapper/210:05:312
269799130,2cyclictest0-21swapper/209:36:042
269799130,2cyclictest0-21swapper/209:36:042
269799130,11cyclictest0-21swapper/207:40:582
269699132,6cyclictest0-21swapper/109:10:001
2696991310,2cyclictest4708-21kworker/u8:207:14:041
2696991310,2cyclictest31975-21kworker/u8:010:20:051
2696991310,2cyclictest17516-21kworker/u8:208:05:051
2696991310,2cyclictest0-21swapper/112:00:271
269599134,3cyclictest274-21jbd2/sda1-808:09:590
269599132,6cyclictest0-21swapper/007:44:590
2695991310,2cyclictest0-21swapper/012:25:120
2695991310,2cyclictest0-21swapper/012:12:280
2695991310,2cyclictest0-21swapper/011:05:550
2695991310,2cyclictest0-21swapper/010:12:150
2695991310,2cyclictest0-21swapper/007:20:060
269599130,7cyclictest0-21swapper/007:55:010
269599130,2cyclictest0-21swapper/011:31:020
269599130,2cyclictest0-21swapper/010:41:080
269599130,2cyclictest0-21swapper/009:50:120
269599130,12cyclictest27446-21ssh09:18:180
269599130,12cyclictest0-21swapper/011:18:050
269599130,12cyclictest0-21swapper/010:47:260
269599130,12cyclictest0-21swapper/009:35:200
269599130,12cyclictest0-21swapper/009:35:190
269599130,12cyclictest0-21swapper/009:31:150
269599130,11cyclictest3728-21runrttasks11:27:270
269599130,11cyclictest26630-21ssh10:27:050
269599130,11cyclictest0-21swapper/010:35:330
269899129,2cyclictest0-21swapper/311:50:513
269899129,2cyclictest0-21swapper/311:21:423
269899129,2cyclictest0-21swapper/310:55:413
269899129,2cyclictest0-21swapper/310:40:213
269899129,2cyclictest0-21swapper/308:20:403
269899129,2cyclictest0-21swapper/307:30:133
269899129,2cyclictest0-21swapper/307:26:033
269899129,2cyclictest0-21swapper/307:15:403
269899127,3cyclictest19606-21irqstats12:05:173
269899120,2cyclictest0-21swapper/311:30:193
269899120,2cyclictest0-21swapper/310:36:183
269899120,2cyclictest0-21swapper/309:25:213
269899120,2cyclictest0-21swapper/309:00:193
269899120,2cyclictest0-21swapper/308:06:453
269799129,2cyclictest0-21swapper/210:16:272
269799129,2cyclictest0-21swapper/209:23:172
269799129,2cyclictest0-21swapper/208:50:152
269799120,2cyclictest2297-21ssh10:35:562
269799120,2cyclictest0-21swapper/210:43:272
269799120,11cyclictest0-21swapper/212:18:062
269799120,11cyclictest0-21swapper/212:05:362
269799120,11cyclictest0-21swapper/210:33:472
269799120,11cyclictest0-21swapper/210:00:262
269699129,2cyclictest0-21swapper/109:45:371
269699121,9cyclictest19264-21diskmemload10:05:121
269699121,9cyclictest19264-21diskmemload09:55:131
269699121,9cyclictest0-21swapper/111:25:101
269699121,9cyclictest0-21swapper/108:35:121
269699120,3cyclictest0-21swapper/107:41:111
269699120,2cyclictest0-21swapper/110:34:481
269699120,11cyclictest0-21swapper/111:09:281
269699120,11cyclictest0-21swapper/109:22:381
269699120,11cyclictest0-21swapper/109:14:581
269599129,2cyclictest0-21swapper/012:31:250
269599129,2cyclictest0-21swapper/011:36:190
269599129,2cyclictest0-21swapper/009:21:110
269599129,2cyclictest0-21swapper/008:55:160
269599129,2cyclictest0-21swapper/007:50:110
269599127,3cyclictest0-21swapper/007:35:000
269599122,6cyclictest0-21swapper/009:40:010
269599121,6cyclictest0-21swapper/007:19:590
269599120,2cyclictest0-21swapper/012:17:140
269599120,2cyclictest0-21swapper/011:46:090
269599120,2cyclictest0-21swapper/010:18:530
269599120,2cyclictest0-21swapper/008:41:010
269599120,11cyclictest0-21swapper/012:05:410
269599120,11cyclictest0-21swapper/009:55:060
269599120,11cyclictest0-21swapper/008:45:130
269599120,11cyclictest0-21swapper/008:36:050
269599120,11cyclictest0-21swapper/007:35:000
269599120,10cyclictest19264-21diskmemload10:20:080
269899112,5cyclictest0-21swapper/308:00:003
269899110,1cyclictest0-21swapper/309:05:123
269899110,1cyclictest0-21swapper/308:15:203
269799112,7cyclictest0-21swapper/208:12:012
269799110,7cyclictest0-21swapper/208:49:552
269699111,8cyclictest0-21swapper/108:20:181
269699110,9cyclictest0-21swapper/107:55:131
269599118,2cyclictest17370-21latency_hist09:05:000
269599111,3cyclictest29364-21munin-run08:14:590
269899107,2cyclictest0-21swapper/307:20:183
269899105,3cyclictest6789-21grep08:36:043
269899105,3cyclictest29528-21grep08:15:003
269899101,5cyclictest0-21swapper/307:35:093
269899100,1cyclictest0-21swapper/308:56:453
269599102,7cyclictest0-21swapper/008:04:580
269599102,5cyclictest0-21swapper/008:53:580
26989996,2cyclictest0-21swapper/308:50:123
26989994,3cyclictest4120-21ntp_kernel_pll_08:30:183
26989994,3cyclictest3728-21runrttasks07:52:083
26989994,3cyclictest11208-21latency_hist08:50:003
26979992,6cyclictest0-21swapper/208:35:012
26959994,3cyclictest3280-21aten2.4_r3power08:30:120
26959990,7cyclictest274-21jbd2/sda1-808:15:050
26959990,6cyclictest0-21swapper/007:26:010
26989984,2cyclictest0-21swapper/308:25:153
26989983,3cyclictest17471-21cut07:45:103
26979985,2cyclictest0-21swapper/208:55:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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