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2026-09-07 - 21:48

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 Sep 07, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23609211290,17sleep30-21swapper/307:07:363
23584211288,19sleep00-21swapper/007:07:170
23778210695,6sleep20-21swapper/207:09:472
23550210383,15sleep10-21swapper/107:06:501
114762780,5sleep02382299cyclictest07:56:040
190992700,0sleep00-21swapper/010:58:380
254862690,0sleep20-21swapper/210:00:112
183522690,1sleep30-21swapper/309:52:153
177772580,4sleep12382499cyclictest09:19:581
23826993516,17cyclictest0-21swapper/309:30:123
23826993516,17cyclictest0-21swapper/309:30:123
2382499330,18cyclictest0-21swapper/109:34:051
2382499330,18cyclictest0-21swapper/109:34:041
23822993323,8cyclictest7921-21diskmemload10:44:010
23824993229,2cyclictest12655-21kworker/u8:309:49:051
23822993126,3cyclictest1431-21kworker/u8:011:48:020
28192300,0sleep00-21swapper/009:36:290
2382699300,2cyclictest0-21swapper/312:25:133
23824993027,2cyclictest30547-21kworker/u8:010:28:051
23824992926,2cyclictest7924-21kworker/u8:211:31:041
23824992926,2cyclictest30030-21kworker/u8:212:30:041
23824992926,2cyclictest16609-21kworker/u8:210:35:051
2382299292,18cyclictest0-21swapper/009:44:050
23822992825,2cyclictest27715-21kworker/u8:211:43:040
23822992825,2cyclictest14151-21kworker/u8:111:34:040
23824992724,2cyclictest30547-21kworker/u8:010:14:051
23824992724,2cyclictest23033-21kworker/u8:012:16:061
23822992724,2cyclictest7924-21kworker/u8:211:26:050
23822992724,2cyclictest18469-21kworker/u8:009:58:050
23824992623,2cyclictest8578-21kworker/u8:209:43:051
23824992623,2cyclictest23017-21kworker/u8:110:50:011
23824992623,2cyclictest14151-21kworker/u8:111:29:051
23824992622,2cyclictest30123-21kworker/u8:007:26:041
66082250,0sleep00-21swapper/010:13:170
23824992522,2cyclictest7698-21kworker/u8:210:49:051
23824992522,2cyclictest32216-21kworker/u8:009:35:041
23824992522,2cyclictest24492-21kworker/u8:109:59:051
23824992522,2cyclictest23017-21kworker/u8:111:00:051
23824992522,2cyclictest23017-21kworker/u8:110:59:051
23824992522,2cyclictest1431-21kworker/u8:011:57:041
23824992522,2cyclictest1431-21kworker/u8:011:47:051
23822992522,2cyclictest7698-21kworker/u8:211:02:060
23822992522,2cyclictest30547-21kworker/u8:010:29:050
23824992421,2cyclictest7698-21kworker/u8:211:11:051
23824992421,2cyclictest7698-21kworker/u8:211:08:041
23824992421,2cyclictest30547-21kworker/u8:010:09:051
23824992421,2cyclictest30030-21kworker/u8:212:23:041
23824992421,2cyclictest24492-21kworker/u8:110:21:051
23824992421,2cyclictest23036-21kworker/u8:109:29:051
23824992421,2cyclictest23036-21kworker/u8:109:29:051
23824992421,2cyclictest23033-21kworker/u8:012:13:051
23824992421,2cyclictest23017-21kworker/u8:110:34:051
23824992421,2cyclictest21318-21kworker/u8:212:39:051
23824992421,2cyclictest1600-21kworker/u8:011:15:041
23824992421,2cyclictest1431-21kworker/u8:011:50:051
23824992421,2cyclictest14151-21kworker/u8:111:40:041
23824992421,2cyclictest12655-21kworker/u8:309:54:041
23822992421,2cyclictest1431-21kworker/u8:011:54:050
5632230,0sleep30-21swapper/307:30:183
23824992320,2cyclictest7924-21kworker/u8:211:22:051
23824992320,2cyclictest30547-21kworker/u8:010:15:041
23824992320,2cyclictest30123-21kworker/u8:007:50:021
23824992320,2cyclictest16609-21kworker/u8:210:40:011
23824992320,2cyclictest14151-21kworker/u8:111:35:051
23822992320,2cyclictest3016-21kworker/u8:208:58:050
23822992320,2cyclictest30030-21kworker/u8:212:19:050
23822992320,2cyclictest27815-21kworker/u8:111:17:040
23822992320,2cyclictest24492-21kworker/u8:110:23:050
23822992320,2cyclictest24492-21kworker/u8:110:07:050
23822992320,2cyclictest23033-21kworker/u8:012:37:050
23822992320,2cyclictest15162-21kworker/u8:009:25:050
23822992320,2cyclictest15162-21kworker/u8:009:25:040
23822992320,2cyclictest15162-21kworker/u8:009:19:040
2382299230,16cyclictest0-21swapper/009:30:050
2382299230,16cyclictest0-21swapper/009:30:040
23824992219,2cyclictest30123-21kworker/u8:007:49:051
23824992219,2cyclictest24109-21kworker/u8:207:17:051
23824992219,2cyclictest24025-21kworker/u8:009:07:051
23824992219,2cyclictest24025-21kworker/u8:008:54:041
23824992219,2cyclictest24025-21kworker/u8:008:46:051
23824992219,2cyclictest20256-21kworker/u8:108:24:051
23824992219,2cyclictest15162-21kworker/u8:009:21:051
23824992219,2cyclictest15162-21kworker/u8:009:21:041
23822992219,2cyclictest23017-21kworker/u8:110:54:010
23822992219,2cyclictest12655-21kworker/u8:309:48:060
2382299220,18cyclictest0-21swapper/009:20:050
2382299220,18cyclictest0-21swapper/009:20:050
23826992117,2cyclictest0-21swapper/309:10:103
2382699211,18cyclictest0-21swapper/307:35:153
2382699210,19cyclictest4542-21python11:16:013
23824992118,2cyclictest3016-21kworker/u8:209:00:041
23824992118,2cyclictest30123-21kworker/u8:007:37:041
23824992118,2cyclictest24109-21kworker/u8:207:22:051
23824992118,2cyclictest20256-21kworker/u8:108:25:041
23824992118,2cyclictest13684-21kworker/u8:008:05:051
23822992118,2cyclictest23017-21kworker/u8:110:33:050
23822992118,2cyclictest12655-21kworker/u8:310:02:060
2382299210,16cyclictest0-21swapper/010:37:050
2382699201,17cyclictest32451-21ssh10:39:553
2382699201,17cyclictest28584-21sendmail-mta12:15:103
2382699200,18cyclictest609-21ssh11:12:193
2382699200,18cyclictest0-21swapper/310:24:423
23824992017,2cyclictest30123-21kworker/u8:007:33:051
23824992017,2cyclictest13684-21kworker/u8:008:02:011
23822992017,2cyclictest6677-21kworker/u8:212:05:040
23822992017,2cyclictest30123-21kworker/u8:007:50:050
23822992017,2cyclictest23033-21kworker/u8:012:14:020
23822992017,2cyclictest15887-21kworker/u8:208:41:040
2382299200,2cyclictest0-21swapper/011:55:110
2382299200,18cyclictest0-21swapper/012:20:110
2382299200,15cyclictest0-21swapper/011:36:050
2382299200,15cyclictest0-21swapper/009:52:040
2382699191,16cyclictest15070-21ssh12:00:013
2382699191,16cyclictest0-21swapper/310:03:343
2382699190,18cyclictest0-21swapper/311:08:383
2382699190,17cyclictest0-21swapper/311:02:513
2382699190,17cyclictest0-21swapper/310:34:483
2382699190,17cyclictest0-21swapper/309:55:213
23824991916,2cyclictest5419-21kworker/u8:207:57:051
23824991916,2cyclictest5419-21kworker/u8:207:42:021
23824991916,2cyclictest3016-21kworker/u8:208:57:051
23824991916,2cyclictest24025-21kworker/u8:009:10:051
23824991916,2cyclictest23033-21kworker/u8:012:29:051
23824991916,2cyclictest15887-21kworker/u8:208:39:051
23824991916,2cyclictest15887-21kworker/u8:208:33:051
23824991916,2cyclictest15887-21kworker/u8:208:17:051
23822991916,2cyclictest30123-21kworker/u8:007:47:050
23822991916,2cyclictest23033-21kworker/u8:012:27:050
23822991916,2cyclictest13684-21kworker/u8:008:14:050
2382299190,2cyclictest0-21swapper/011:05:040
2382299190,2cyclictest0-21swapper/010:19:040
2382299190,14cyclictest0-21swapper/007:16:050
23826991810,7cyclictest0-21swapper/309:29:283
23826991810,7cyclictest0-21swapper/309:29:273
2382699180,7cyclictest0-21swapper/309:23:313
2382699180,7cyclictest0-21swapper/309:23:303
2382699180,17cyclictest0-21swapper/309:15:283
2382699180,16cyclictest0-21swapper/311:42:363
2382699180,16cyclictest0-21swapper/311:33:223
2382699180,16cyclictest0-21swapper/311:26:273
23824991815,2cyclictest23033-21kworker/u8:012:09:041
23824991815,2cyclictest15011-21kworker/u8:007:12:041
23822991815,2cyclictest6677-21kworker/u8:212:04:050
23822991815,2cyclictest15887-21kworker/u8:208:35:050
2382299180,2cyclictest0-21swapper/011:13:050
2382299180,16cyclictest0-21swapper/012:33:040
2382699179,7cyclictest0-21swapper/311:59:483
2382699177,8cyclictest12734-21cut08:00:133
2382699171,14cyclictest9629-21sendmail-mta07:54:313
23826991710,6cyclictest0-21swapper/308:36:023
23826991710,6cyclictest0-21swapper/307:56:033
2382699170,6cyclictest0-21swapper/310:46:113
2382699170,16cyclictest15043-21ssh09:49:413
2382699170,16cyclictest0-21swapper/312:35:093
2382699170,16cyclictest0-21swapper/312:32:173
2382699170,16cyclictest0-21swapper/311:37:373
2382699170,16cyclictest0-21swapper/311:20:363
2382699170,16cyclictest0-21swapper/310:07:013
2382699170,16cyclictest0-21swapper/309:42:353
2382699170,15cyclictest0-21swapper/310:25:403
2382699170,15cyclictest0-21swapper/310:13:543
23822991714,2cyclictest9983-21kworker/u8:108:06:020
23822991714,2cyclictest3016-21kworker/u8:209:01:050
23822991714,2cyclictest30123-21kworker/u8:007:40:050
23822991714,2cyclictest24109-21kworker/u8:207:24:050
2382299170,12cyclictest0-21swapper/008:15:040
2382299170,12cyclictest0-21swapper/007:36:040
138382170,0sleep20-21swapper/212:30:272
2382699167,7cyclictest0-21swapper/310:52:043
2382699166,8cyclictest6015-21uname11:50:153
2382699165,9cyclictest29972-21sendmail-mta08:46:023
2382699160,6cyclictest0-21swapper/310:56:513
2382699160,15cyclictest0-21swapper/312:05:513
23825991611,3cyclictest0-21swapper/207:25:002
2382699159,5cyclictest0-21swapper/307:25:163
2382699158,6cyclictest0-21swapper/311:45:283
2382699152,11cyclictest2849-21rs:main3
23826991510,3cyclictest0-21swapper/307:46:023
2382699150,6cyclictest0-21swapper/312:14:363
2382699150,6cyclictest0-21swapper/310:40:313
2382699150,6cyclictest0-21swapper/309:36:343
2382699150,14cyclictest0-21swapper/312:20:463
2382699150,13cyclictest0-21swapper/310:17:493
2382599150,13cyclictest15375-21sensors08:06:012
23824991512,2cyclictest15887-21kworker/u8:208:43:051
23824991512,2cyclictest13684-21kworker/u8:008:12:021
2382699147,6cyclictest0-21swapper/307:40:143
2382699144,8cyclictest3728-21runrttasks08:58:413
2382699144,8cyclictest25224-21grep07:11:023
2382699143,9cyclictest17183-21cut08:10:183
2382699141,11cyclictest5769-21sendmail-mta09:05:123
2382699141,11cyclictest22051-21cron08:25:003
2382699141,11cyclictest13860-21sendmail-mta08:05:113
2382599149,3cyclictest5729-21date07:45:002
23825991411,2cyclictest16230-21apt-get08:10:102
2382599140,2cyclictest28545-21ssh12:13:142
2382599140,2cyclictest0-21swapper/212:23:042
2382599140,13cyclictest0-21swapper/212:35:142
2382599140,13cyclictest0-21swapper/209:36:032
2382499140,12cyclictest25927-21forks10:00:141
2382299140,2cyclictest0-21swapper/009:08:040
2382299140,10cyclictest0-21swapper/008:04:050
151902140,3sleep215202-21rm10:21:172
288542130,2sleep20-21swapper/211:40:292
2382699134,7cyclictest0-21swapper/308:25:063
2382699133,8cyclictest4836-21latency09:00:153
2382699133,8cyclictest3127-21nscd07:15:143
2382699133,8cyclictest24284-21munin-node3
2382699131,10cyclictest29711-21unixbench_multi08:41:053
2382699131,10cyclictest17878-21sendmail-mta08:15:043
23826991310,2cyclictest0-21swapper/308:50:153
23825991310,2cyclictest7921-21diskmemload10:51:332
23825991310,2cyclictest24557-21pzem_voltage09:25:502
23825991310,2cyclictest24557-21pzem_voltage09:25:502
23825991310,2cyclictest0-21swapper/211:14:102
23825991310,2cyclictest0-21swapper/209:41:342
23825991310,2cyclictest0-21swapper/209:10:112
23825991310,2cyclictest0-21swapper/209:05:162
2382599130,3cyclictest20172-21ssh09:55:002
2382599130,2cyclictest0-21swapper/211:24:452
2382599130,2cyclictest0-21swapper/211:05:242
2382599130,12cyclictest0-21swapper/212:15:122
2382599130,12cyclictest0-21swapper/207:11:032
2382599130,11cyclictest0-21swapper/209:20:142
2382599130,11cyclictest0-21swapper/209:20:132
2382299138,3cyclictest0-21swapper/008:45:130
2382299132,6cyclictest0-21swapper/007:30:000
23822991310,2cyclictest24025-21kworker/u8:008:30:050
23822991310,2cyclictest0-21swapper/010:48:200
2382299130,2cyclictest0-21swapper/011:21:050
2382299130,2cyclictest0-21swapper/007:14:050
68882120,2sleep20-21swapper/211:19:042
2382599129,2cyclictest0-21swapper/210:15:252
2382599129,2cyclictest0-21swapper/208:56:022
2382599129,2cyclictest0-21swapper/208:30:152
2382599120,2cyclictest0-21swapper/212:29:442
2382599120,2cyclictest0-21swapper/210:30:162
2382599120,2cyclictest0-21swapper/210:10:162
2382599120,11cyclictest0-21swapper/211:45:152
2382599120,11cyclictest0-21swapper/210:58:542
2382599120,11cyclictest0-21swapper/210:26:042
2382599120,11cyclictest0-21swapper/209:56:062
2382599120,11cyclictest0-21swapper/209:19:332
2382599120,11cyclictest0-21swapper/207:25:152
2382499120,2cyclictest0-21swapper/112:00:171
2382299129,2cyclictest32374-21apt-get08:50:120
2382299129,2cyclictest0-21swapper/009:10:110
2382299129,2cyclictest0-21swapper/007:25:150
260342110,2sleep20-21swapper/207:15:042
249572110,1sleep20-21swapper/211:04:582
2382599119,1cyclictest0-21swapper/212:04:032
2382599118,2cyclictest7921-21diskmemload09:34:092
2382599118,2cyclictest7921-21diskmemload09:34:092
2382599118,2cyclictest0-21swapper/211:50:162
2382599118,2cyclictest0-21swapper/210:46:102
2382599118,2cyclictest0-21swapper/210:35:552
2382599118,2cyclictest0-21swapper/209:46:002
2382599112,5cyclictest0-21swapper/207:52:572
2382599111,6cyclictest0-21swapper/208:39:592
2382599111,6cyclictest0-21swapper/208:20:002
2382599110,2cyclictest0-21swapper/211:38:352
2382599110,10cyclictest0-21swapper/210:05:102
2382599110,10cyclictest0-21swapper/208:25:172
2382599110,10cyclictest0-21swapper/207:56:522
2382299111,2cyclictest22055-21apt08:25:000
2382299110,2cyclictest0-21swapper/008:28:040
216702110,2sleep221680-21ssh12:05:582
2382599107,2cyclictest0-21swapper/211:32:052
2382599107,2cyclictest0-21swapper/210:40:312
2382599100,9cyclictest0-21swapper/211:55:182
2382599100,2cyclictest0-21swapper/211:29:042
238259996,2cyclictest0-21swapper/207:36:142
238259994,3cyclictest30113-21latency_hist08:45:012
238259991,6cyclictest0-21swapper/208:53:082
238259991,4cyclictest0-21swapper/208:25:002
238259991,4cyclictest0-21swapper/207:59:592
238259990,5cyclictest0-21swapper/207:35:002
238259984,2cyclictest4013-21munin-node2
238259983,3cyclictest28447-21aten2.4-expect08:40:132
238259980,7cyclictest0-21swapper/207:46:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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