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2026-06-29 - 14:48

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 all highest latencies:
System rack3slot6s.osadl.org (updated Mon Jun 29, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199022123112,6sleep20-21swapper/207:07:232
20029211392,16sleep00-21swapper/007:09:010
19865211288,18sleep10-21swapper/107:06:531
20089210586,14sleep30-21swapper/307:09:483
55742820,1sleep23829-21diskmemload10:55:182
312412800,0sleep10-21swapper/112:34:391
244842770,0sleep00-21swapper/011:15:410
162032720,0sleep10-21swapper/111:06:361
101802690,0sleep00-21swapper/011:35:160
186622680,0sleep00-21swapper/011:45:110
173992580,1sleep30-21swapper/312:18:583
2013799280,2cyclictest0-21swapper/209:40:082
299732260,1sleep20-21swapper/212:32:232
299982240,0sleep00-21swapper/007:34:560
2013699231,20cyclictest0-21swapper/110:30:111
312382210,0sleep30-21swapper/310:14:033
2013699210,19cyclictest0-21swapper/110:05:121
20135992118,2cyclictest0-21swapper/010:25:120
20138992017,2cyclictest26400-21kworker/u8:207:52:043
20138992017,2cyclictest24493-21kworker/u8:109:26:063
2013899200,18cyclictest0-21swapper/307:30:173
2013899200,14cyclictest0-21swapper/311:00:053
2013799200,18cyclictest0-21swapper/209:05:122
89942190,0sleep30-21swapper/311:00:003
20138991916,2cyclictest21226-21kworker/u8:209:45:053
20138991916,2cyclictest10370-21kworker/u8:110:03:053
20137991914,3cyclictest13595-21ssh09:55:102
2013799191,2cyclictest0-21swapper/211:20:112
20138991815,2cyclictest7746-21kworker/u8:111:13:053
20138991815,2cyclictest30173-21kworker/u8:211:27:053
20138991815,2cyclictest24072-21kworker/u8:007:25:043
20138991815,2cyclictest18382-21kworker/u8:008:48:053
2013899180,2cyclictest0-21swapper/309:10:053
2013699180,16cyclictest0-21swapper/111:10:111
171272180,0sleep00-21swapper/011:42:550
129892180,1sleep012993-21latency08:10:180
115282180,0sleep10-21swapper/111:36:181
20138991714,2cyclictest9316-21kworker/u8:012:14:053
20138991714,2cyclictest4773-21kworker/u8:111:39:053
20138991714,2cyclictest29926-21kworker/u8:007:47:053
20138991714,2cyclictest27094-21kworker/u8:210:43:043
20138991714,2cyclictest25206-21kworker/u8:011:20:013
20138991714,2cyclictest1749-21kworker/u8:110:24:063
20138991714,2cyclictest13318-21kworker/u8:211:55:043
20138991714,2cyclictest13318-21kworker/u8:211:49:043
20138991714,2cyclictest12043-21kworker/u8:108:15:043
20138991712,3cyclictest0-21swapper/309:00:003
20137991714,2cyclictest27094-21kworker/u8:210:20:042
20137991714,2cyclictest16684-21kworker/u8:211:16:052
20138991613,2cyclictest27520-21kworker/u8:109:41:043
20138991613,2cyclictest27094-21kworker/u8:210:32:043
20138991613,2cyclictest25206-21kworker/u8:011:41:053
20138991613,2cyclictest24072-21kworker/u8:007:24:053
20138991613,2cyclictest23209-21kworker/u8:010:49:053
20138991613,2cyclictest21226-21kworker/u8:209:53:043
20138991613,2cyclictest16629-21kworker/u8:010:16:043
20138991613,2cyclictest14928-21kworker/u8:212:37:043
20138991613,2cyclictest12043-21kworker/u8:108:24:053
20138991613,2cyclictest10370-21kworker/u8:110:05:043
20138991613,2cyclictest10370-21kworker/u8:109:55:053
20138991611,3cyclictest9862-21gdbus08:04:503
20137991613,2cyclictest27094-21kworker/u8:210:41:052
20137991613,2cyclictest27094-21kworker/u8:210:30:012
20137991613,2cyclictest14928-21kworker/u8:212:19:052
20137991612,2cyclictest23209-21kworker/u8:010:53:052
20136991612,2cyclictest25330-21sh10:41:411
2013599160,5cyclictest0-21swapper/010:10:010
2013599160,14cyclictest0-21swapper/012:25:100
20138991512,2cyclictest7873-21kworker/u8:209:18:043
20138991512,2cyclictest7746-21kworker/u8:111:09:043
20138991512,2cyclictest26400-21kworker/u8:207:36:053
20138991512,2cyclictest25206-21kworker/u8:011:34:043
20138991512,2cyclictest24493-21kworker/u8:109:05:043
20138991512,2cyclictest18382-21kworker/u8:008:27:043
20138991512,2cyclictest15925-21kworker/u8:207:18:053
20138991512,2cyclictest14928-21kworker/u8:212:20:043
20138991512,2cyclictest12043-21kworker/u8:108:32:053
20138991510,3cyclictest24575-21awk08:40:093
2013899150,3cyclictest0-21swapper/308:40:003
2013899150,2cyclictest0-21swapper/309:20:053
2013899150,13cyclictest10670-21ssh10:26:013
2013899150,13cyclictest10250-21munin-node08:05:113
20137991512,2cyclictest26400-21kworker/u8:208:06:052
20137991512,2cyclictest13318-21kworker/u8:212:03:042
20137991512,2cyclictest10370-21kworker/u8:110:07:042
20136991510,3cyclictest32480-21aten2.4-expect09:00:101
2013699150,14cyclictest0-21swapper/109:25:161
2013699150,13cyclictest0-21swapper/107:10:181
2013599151,12cyclictest9432-21munin-node0
28942140,2sleep20-21swapper/211:27:392
20138991411,2cyclictest25720-21kworker/u8:012:30:053
20138991411,2cyclictest24493-21kworker/u8:108:53:043
20138991411,2cyclictest23209-21kworker/u8:010:52:023
20138991411,2cyclictest21226-21kworker/u8:209:37:053
20138991411,2cyclictest21226-21kworker/u8:209:34:043
20138991411,2cyclictest16127-21kworker/u8:110:36:053
20138991411,2cyclictest12043-21kworker/u8:108:10:023
2013799149,3cyclictest5794-21awk11:30:192
20137991411,2cyclictest27094-21kworker/u8:210:10:052
20137991411,2cyclictest24493-21kworker/u8:109:16:042
20137991411,2cyclictest21226-21kworker/u8:209:38:052
20137991411,2cyclictest1684-21kworker/u8:112:08:052
20137991411,2cyclictest13775-21kworker/u8:009:24:052
20137991411,2cyclictest13318-21kworker/u8:211:53:052
20137991411,2cyclictest13318-21kworker/u8:211:47:042
20137991411,2cyclictest12043-21kworker/u8:108:21:052
2013799140,12cyclictest0-21swapper/212:37:222
20136991411,2cyclictest0-21swapper/111:32:361
20136991411,2cyclictest0-21swapper/110:27:441
20136991411,2cyclictest0-21swapper/109:10:261
20136991411,2cyclictest0-21swapper/107:36:061
2013699140,2cyclictest977-21ssh12:36:041
2013699140,2cyclictest0-21swapper/112:28:161
2013699140,2cyclictest0-21swapper/111:44:361
2013699140,12cyclictest26181-21apt-get07:25:121
2013699140,12cyclictest25552-21python07:21:031
2013699140,12cyclictest21113-21ssh12:22:241
2013699140,12cyclictest0-21swapper/112:15:081
2013699140,12cyclictest0-21swapper/110:13:221
2013699140,12cyclictest0-21swapper/109:57:341
2013699140,12cyclictest0-21swapper/109:53:571
2013699140,12cyclictest0-21swapper/108:30:001
2013599149,3cyclictest0-21swapper/007:25:100
2013599141,11cyclictest16776-21ssh12:17:560
2013599140,3cyclictest3728-21runrttasks09:21:570
2013599140,2cyclictest0-21swapper/009:55:150
2013599140,12cyclictest30838-21munin-node0
2013599140,12cyclictest18184-21ssh10:00:110
2013599140,12cyclictest0-21swapper/011:30:140
2013599140,12cyclictest0-21swapper/009:50:150
2013599140,12cyclictest0-21swapper/007:15:120
19042140,2sleep00-21swapper/010:51:210
2013899131,3cyclictest0-21swapper/312:03:003
20138991310,2cyclictest1684-21kworker/u8:112:09:053
2013899130,12cyclictest0-21swapper/309:00:123
2013799132,6cyclictest0-21swapper/207:30:002
20137991310,2cyclictest7873-21kworker/u8:209:14:052
20137991310,2cyclictest27094-21kworker/u8:210:29:052
20137991310,2cyclictest21226-21kworker/u8:209:28:052
20137991310,2cyclictest18382-21kworker/u8:008:46:052
20137991310,2cyclictest15925-21kworker/u8:207:16:052
20137991310,2cyclictest13318-21kworker/u8:211:43:052
20137991310,2cyclictest10370-21kworker/u8:110:02:052
20137991310,2cyclictest0-21swapper/212:26:072
20137991310,2cyclictest0-21swapper/211:05:192
2013799130,3cyclictest0-21swapper/209:47:052
2013799130,2cyclictest0-21swapper/208:40:002
20136991310,2cyclictest0-21swapper/112:13:001
20136991310,2cyclictest0-21swapper/111:55:461
20136991310,2cyclictest0-21swapper/111:25:161
20136991310,2cyclictest0-21swapper/111:20:151
20136991310,2cyclictest0-21swapper/110:39:361
20136991310,2cyclictest0-21swapper/110:21:551
20136991310,2cyclictest0-21swapper/109:47:121
20136991310,2cyclictest0-21swapper/109:37:101
20136991310,2cyclictest0-21swapper/109:22:181
20136991310,2cyclictest0-21swapper/109:15:091
2013699130,2cyclictest0-21swapper/112:02:351
2013699130,2cyclictest0-21swapper/108:05:221
2013699130,2cyclictest0-21swapper/107:15:191
2013699130,12cyclictest0-21swapper/111:52:361
2013699130,12cyclictest0-21swapper/111:46:481
2013699130,12cyclictest0-21swapper/110:45:141
2013699130,12cyclictest0-21swapper/108:10:181
2013699130,12cyclictest0-21swapper/107:50:481
20135991310,2cyclictest3829-21diskmemload09:27:080
20135991310,2cyclictest16513-21ssh10:32:230
20135991310,2cyclictest0-21swapper/012:30:590
20135991310,2cyclictest0-21swapper/011:56:040
20135991310,2cyclictest0-21swapper/011:21:570
20135991310,2cyclictest0-21swapper/011:11:020
20135991310,2cyclictest0-21swapper/010:20:160
2013599130,2cyclictest0-21swapper/011:28:320
2013599130,2cyclictest0-21swapper/011:01:400
2013599130,2cyclictest0-21swapper/009:39:160
2013599130,11cyclictest0-21swapper/012:20:160
2013599130,11cyclictest0-21swapper/012:12:330
2013599130,11cyclictest0-21swapper/012:05:500
2013599130,11cyclictest0-21swapper/012:00:470
2013599130,11cyclictest0-21swapper/008:30:000
116562130,2sleep20-21swapper/212:12:072
92212120,2sleep29235-21ssh11:00:092
2013899129,2cyclictest0-21swapper/312:25:173
2013899129,2cyclictest0-21swapper/311:17:143
2013899120,2cyclictest0-21swapper/307:40:193
2013899120,2cyclictest0-21swapper/307:10:173
2013899120,11cyclictest0-21swapper/311:50:113
2013799129,2cyclictest29926-21kworker/u8:007:50:012
2013799129,2cyclictest29926-21kworker/u8:007:40:052
2013799129,2cyclictest29926-21kworker/u8:007:39:042
2013799129,2cyclictest26400-21kworker/u8:208:18:012
2013799129,2cyclictest26400-21kworker/u8:207:30:052
2013799129,2cyclictest24493-21kworker/u8:108:52:042
2013799129,2cyclictest10153-21iostat11:35:162
2013799129,2cyclictest0-21swapper/211:55:102
2013799122,6cyclictest0-21swapper/208:56:042
2013799121,3cyclictest25542-21munin-node2
2013799120,11cyclictest0-21swapper/212:21:122
2013699129,2cyclictest0-21swapper/110:55:051
2013699129,2cyclictest0-21swapper/110:50:111
2013699129,2cyclictest0-21swapper/110:16:301
2013699129,2cyclictest0-21swapper/110:00:141
2013699129,2cyclictest0-21swapper/109:41:031
2013699129,2cyclictest0-21swapper/109:30:341
2013699129,2cyclictest0-21swapper/108:55:131
2013699128,2cyclictest207150irq/24-eth111:00:201
2013699128,2cyclictest0-21swapper/108:00:141
2013699122,7cyclictest0-21swapper/108:37:591
2013699120,2cyclictest0-21swapper/111:15:231
2013699120,2cyclictest0-21swapper/109:08:401
2013699120,2cyclictest0-21swapper/107:40:171
2013699120,11cyclictest0-21swapper/112:05:251
2013599129,2cyclictest0-21swapper/011:05:040
2013599129,2cyclictest0-21swapper/010:15:240
2013599129,2cyclictest0-21swapper/010:05:120
2013599129,2cyclictest0-21swapper/009:30:260
2013599123,6cyclictest0-21swapper/007:47:450
2013599122,7cyclictest0-21swapper/008:22:020
2013599122,6cyclictest0-21swapper/008:26:010
2013599120,2cyclictest0-21swapper/011:50:220
2013599120,2cyclictest0-21swapper/010:56:200
2013599120,2cyclictest0-21swapper/008:05:390
2013599120,11cyclictest0-21swapper/010:45:150
2013599120,11cyclictest0-21swapper/010:35:020
2013599120,11cyclictest0-21swapper/009:45:120
2013599120,11cyclictest0-21swapper/009:40:030
2013599120,11cyclictest0-21swapper/009:10:510
2013599120,11cyclictest0-21swapper/007:50:140
2013599120,10cyclictest0-21swapper/012:35:500
2013599120,10cyclictest0-21swapper/010:40:130
186182120,8sleep218628-21ssh11:10:102
2013899118,2cyclictest0-21swapper/307:55:193
2013799118,2cyclictest26400-21kworker/u8:208:04:042
2013799118,2cyclictest24072-21kworker/u8:007:20:052
2013799118,2cyclictest1749-21kworker/u8:110:17:052
2013799118,2cyclictest12043-21kworker/u8:108:13:052
2013799112,7cyclictest3363-21kworker/2:107:55:122
2013799112,6cyclictest1260-21timerwakeupswit09:01:022
2013799111,7cyclictest0-21swapper/207:10:012
2013699118,2cyclictest0-21swapper/108:20:501
2013699117,2cyclictest14800-21fschecks_time08:15:131
2013699112,6cyclictest0-21swapper/107:49:591
2013699111,8cyclictest6337-21tr07:55:131
2013699111,8cyclictest26675-21grep08:45:141
2013699110,3cyclictest26199-21sed08:44:591
2013699110,3cyclictest20631-21tr08:30:101
2013599118,2cyclictest0-21swapper/008:35:420
2013599118,2cyclictest0-21swapper/007:40:140
2013599118,2cyclictest0-21swapper/007:10:170
2013599116,3cyclictest24893-21cut08:40:110
2013599112,7cyclictest0-21swapper/008:52:590
2013599112,6cyclictest0-21swapper/009:01:000
2013599112,6cyclictest0-21swapper/008:16:000
2013799107,2cyclictest18382-21kworker/u8:008:30:052
2013799107,2cyclictest0-21swapper/209:31:122
2013799102,7cyclictest0-21swapper/208:29:012
2013799101,6cyclictest29981-21ssh10:46:392
2013799101,6cyclictest0-21swapper/209:51:022
2013799100,4cyclictest1842950munin-node2
2013699100,8cyclictest0-21swapper/108:50:111
2013699100,2cyclictest0-21swapper/107:30:161
2013599102,5cyclictest0-21swapper/007:55:020
2013599101,5cyclictest0-21swapper/008:54:590
2013599100,8cyclictest0-21swapper/009:05:190
201379994,3cyclictest2164-21df_abs07:45:112
201359994,3cyclictest26414-21aten2.4_r3power08:45:130
201359993,5cyclictest0-21swapper/008:00:050
201359991,7cyclictest0-21swapper/007:22:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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