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2026-03-11 - 16:13

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 highest latencies:
System rack3slot6s.osadl.org (updated Wed Mar 11, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1175211897,16sleep30-21swapper/307:07:303
583211295,12sleep20-21swapper/207:05:212
1272211295,12sleep10-21swapper/107:08:461
1120210695,6sleep00-21swapper/007:06:480
57322820,0sleep10-21swapper/111:05:431
138602770,0sleep00-21swapper/011:46:020
300982720,0sleep20-21swapper/209:54:052
250382690,0sleep30-21swapper/312:30:143
214532670,1sleep20-21swapper/209:12:582
182482250,0sleep00-21swapper/011:50:440
67322230,0sleep10-21swapper/110:35:131
139899230,2cyclictest0-21swapper/309:50:123
139699221,2cyclictest0-21swapper/110:25:101
139599221,19cyclictest23217-21ssh09:15:120
49522210,1sleep10-21swapper/111:37:261
243002210,0sleep20-21swapper/209:47:562
139599200,18cyclictest0-21swapper/007:10:110
139599190,17cyclictest0-21swapper/007:30:110
1398991814,3cyclictest26062-21ssh09:17:193
1397991814,2cyclictest0-21swapper/209:55:112
139799180,12cyclictest0-21swapper/211:02:012
312122170,1sleep10-21swapper/109:22:311
1398991613,2cyclictest27772-21kworker/u8:011:38:023
139799162,12cyclictest0-21swapper/209:18:042
1397991612,3cyclictest1347-1kworker/u9:110:15:192
139699168,6cyclictest4556-21metacity08:53:581
18482151,3sleep10-21swapper/112:07:001
1398991512,2cyclictest30312-21kworker/u8:212:24:013
139899151,12cyclictest0-21swapper/308:15:133
139799151,2cyclictest0-21swapper/211:23:052
1397991512,2cyclictest32481-21kworker/u8:010:31:052
1397991512,2cyclictest30178-21kworker/u8:109:22:022
1397991512,2cyclictest30178-21kworker/u8:109:05:042
1397991512,2cyclictest26194-21kworker/u8:008:32:052
1397991512,2cyclictest21712-21kworker/u8:208:14:012
1397991512,2cyclictest21712-21kworker/u8:207:59:042
1397991512,2cyclictest15695-21kworker/u8:107:47:042
1397991512,2cyclictest13185-21kworker/u8:107:29:052
139799150,13cyclictest16026-21mailstats11:16:022
139799150,13cyclictest0-21swapper/212:30:292
139799150,13cyclictest0-21swapper/211:55:102
1396991510,3cyclictest27684-21ssh11:27:571
139699150,13cyclictest7020-21munin-node11:40:121
139699150,13cyclictest0-21swapper/111:10:161
139599151,12cyclictest10116-21memory12:15:160
139599150,13cyclictest0-21swapper/010:40:430
139599150,13cyclictest0-21swapper/009:54:250
90662140,3sleep39076-21ssh09:32:403
49692141,3sleep35072-21iostat_ios12:10:163
139899149,3cyclictest17738-21ssh09:41:043
139899142,7cyclictest0-21swapper/307:39:593
139899141,3cyclictest0-21swapper/312:35:293
1398991411,2cyclictest37-21rcuc/310:20:093
139899140,2cyclictest0-21swapper/308:45:043
139899140,12cyclictest9282-21apt-get12:15:103
139899140,12cyclictest0-21swapper/311:30:593
139799142,2cyclictest0-21swapper/212:01:052
1397991411,2cyclictest9992-21kworker/u8:110:11:042
1397991411,2cyclictest993-21kworker/u8:207:11:042
1397991411,2cyclictest30178-21kworker/u8:108:25:042
1397991411,2cyclictest27772-21kworker/u8:011:35:052
1397991411,2cyclictest26362-21kworker/u8:110:59:052
1397991411,2cyclictest23918-21kworker/u8:110:41:042
1397991411,2cyclictest2059-21kworker/u8:211:43:042
1397991411,2cyclictest14605-21kworker/u8:210:05:052
1397991411,2cyclictest10582-21kworker/u8:010:51:042
139799140,12cyclictest17844-21diskmemload12:10:132
139799140,12cyclictest14015-21cat07:39:592
139699141,2cyclictest4956-21smartctl07:16:011
1396991411,2cyclictest0-21swapper/110:14:421
1396991411,2cyclictest0-21swapper/109:49:321
1396991410,2cyclictest24818-21ps10:20:171
1396991410,2cyclictest0-21swapper/109:35:181
1396991410,2cyclictest0-21swapper/109:35:171
1396991410,2cyclictest0-21swapper/107:25:141
139699140,2cyclictest0-21swapper/112:39:221
139699140,12cyclictest0-21swapper/111:24:321
1395991411,2cyclictest27115-21kworker/u8:009:28:050
139599141,12cyclictest17844-21diskmemload10:55:570
1395991411,2cyclictest0-21swapper/009:36:340
1395991411,2cyclictest0-21swapper/009:36:330
139599140,2cyclictest0-21swapper/011:00:160
139599140,2cyclictest0-21swapper/009:41:430
139599140,2cyclictest0-21swapper/009:24:330
139599140,12cyclictest23963-21ssh11:56:160
139599140,12cyclictest21606-21apt-get10:50:090
139599140,12cyclictest0-21swapper/012:21:450
139599140,12cyclictest0-21swapper/012:00:180
280052130,2sleep30-21swapper/312:00:343
172382130,2sleep10-21swapper/110:45:171
139899139,3cyclictest17043-21ssh10:12:553
139899139,2cyclictest0-21swapper/310:17:183
1398991310,2cyclictest5625-21ssh10:34:053
1398991310,2cyclictest30178-21kworker/u8:108:58:053
1398991310,2cyclictest21712-21kworker/u8:208:11:043
1398991310,2cyclictest16758-21kworker/u8:211:27:043
1398991310,2cyclictest14605-21kworker/u8:209:59:043
1398991310,2cyclictest0-21swapper/310:45:133
1398991310,2cyclictest0-21swapper/309:11:333
139899130,2cyclictest17844-21diskmemload11:57:243
139899130,12cyclictest0-21swapper/307:41:053
139899130,11cyclictest16853-21ssh11:50:083
139899130,11cyclictest0-21swapper/309:35:443
139899130,11cyclictest0-21swapper/309:35:443
139799132,2cyclictest0-21swapper/211:33:042
139799132,2cyclictest0-21swapper/210:22:052
1397991310,2cyclictest27115-21kworker/u8:009:43:052
1397991310,2cyclictest21712-21kworker/u8:208:16:052
1397991310,2cyclictest21712-21kworker/u8:208:03:042
1397991310,2cyclictest2059-21kworker/u8:211:46:052
1397991310,2cyclictest16941-21kworker/u8:011:54:052
1397991310,2cyclictest15695-21kworker/u8:107:50:052
1397991310,2cyclictest13185-21kworker/u8:107:17:052
1397991310,2cyclictest10006-21kworker/u8:008:52:042
139799130,2cyclictest0-21swapper/212:19:042
139799130,2cyclictest0-21swapper/212:06:012
139799130,2cyclictest0-21swapper/209:00:112
1396991310,2cyclictest17844-21diskmemload09:31:351
1396991310,2cyclictest0-21swapper/112:19:561
1396991310,2cyclictest0-21swapper/110:55:161
1396991310,2cyclictest0-21swapper/109:59:371
1396991310,2cyclictest0-21swapper/109:10:311
1396991310,2cyclictest0-21swapper/107:30:131
139699130,3cyclictest2019-21sh09:25:311
139699130,2cyclictest0-21swapper/111:51:221
139699130,2cyclictest0-21swapper/111:00:591
139699130,2cyclictest0-21swapper/110:50:161
139699130,2cyclictest0-21swapper/107:37:351
139699130,12cyclictest0-21swapper/112:20:121
139699130,12cyclictest0-21swapper/111:48:121
139699130,12cyclictest0-21swapper/110:01:021
139699130,12cyclictest0-21swapper/107:50:151
139699130,11cyclictest0-21swapper/112:25:191
139699130,11cyclictest0-21swapper/108:55:191
1395991310,2cyclictest0-21swapper/012:13:440
1395991310,2cyclictest0-21swapper/011:35:110
1395991310,2cyclictest0-21swapper/011:30:590
1395991310,2cyclictest0-21swapper/011:09:240
1395991310,2cyclictest0-21swapper/010:48:300
1395991310,2cyclictest0-21swapper/010:27:270
1395991310,2cyclictest0-21swapper/010:21:000
1395991310,2cyclictest0-21swapper/009:45:140
1395991310,2cyclictest0-21swapper/008:35:190
139599130,2cyclictest24821-21ssh12:30:130
139599130,2cyclictest13083-21ssh11:13:340
139599130,2cyclictest0-21swapper/012:39:030
139599130,2cyclictest0-21swapper/012:27:440
139599130,2cyclictest0-21swapper/011:21:430
139599130,2cyclictest0-21swapper/011:17:170
139599130,2cyclictest0-21swapper/010:31:150
139599130,2cyclictest0-21swapper/007:55:130
139599130,12cyclictest0-21swapper/011:40:100
139599130,12cyclictest0-21swapper/011:29:050
139599130,12cyclictest0-21swapper/010:15:430
139599130,12cyclictest0-21swapper/009:57:040
139599130,12cyclictest0-21swapper/009:31:230
139599130,12cyclictest0-21swapper/009:12:340
139599130,11cyclictest0-21swapper/010:35:020
139599130,11cyclictest0-21swapper/010:00:080
70032120,2sleep20-21swapper/210:35:152
283102120,2sleep10-21swapper/112:01:001
201202120,2sleep10-21swapper/107:55:131
169812120,2sleep30-21swapper/311:16:563
159432120,0sleep10-21swapper/109:40:021
139899129,2cyclictest13428-21ssh11:45:553
139899129,2cyclictest0-21swapper/310:35:013
139899129,2cyclictest0-21swapper/310:25:163
139899129,2cyclictest0-21swapper/309:20:303
139899129,2cyclictest0-21swapper/308:30:113
139899129,2cyclictest0-21swapper/308:00:133
139899128,2cyclictest0-21swapper/312:06:113
139899122,7cyclictest0-21swapper/308:50:013
139899122,7cyclictest0-21swapper/307:34:013
139899122,6cyclictest0-21swapper/308:40:013
139899122,5cyclictest0-21swapper/311:20:013
139899120,11cyclictest0-21swapper/311:08:333
139899120,11cyclictest0-21swapper/310:54:153
139899120,11cyclictest0-21swapper/309:28:133
139899120,11cyclictest0-21swapper/307:20:173
139799129,2cyclictest30178-21kworker/u8:108:40:042
139799129,2cyclictest15695-21kworker/u8:108:07:052
139799129,2cyclictest0-21swapper/212:20:022
139799129,2cyclictest0-21swapper/211:07:492
139799129,2cyclictest0-21swapper/210:47:532
139799129,2cyclictest0-21swapper/207:30:102
139799120,2cyclictest0-21swapper/211:10:162
139799120,11cyclictest0-21swapper/212:38:532
139799120,11cyclictest0-21swapper/209:30:132
139799120,11cyclictest0-21swapper/209:25:322
139699129,2cyclictest0-21swapper/112:30:261
139699129,2cyclictest0-21swapper/110:15:161
139699129,2cyclictest0-21swapper/108:20:401
139699122,5cyclictest0-21swapper/108:35:011
139699121,9cyclictest0-21swapper/108:00:181
139699121,3cyclictest0-21swapper/108:40:141
139699120,2cyclictest22699-21kworker/u8:109:50:401
139699120,2cyclictest0-21swapper/111:17:321
139699120,2cyclictest0-21swapper/110:05:151
139699120,2cyclictest0-21swapper/109:15:091
139699120,11cyclictest0-21swapper/112:11:311
139699120,11cyclictest0-21swapper/111:55:121
139699120,11cyclictest0-21swapper/111:30:051
139699120,11cyclictest0-21swapper/110:42:161
139699120,11cyclictest0-21swapper/110:33:181
139699120,11cyclictest0-21swapper/108:25:141
139699120,11cyclictest0-21swapper/108:15:151
139699120,11cyclictest0-21swapper/107:20:121
139699120,10cyclictest14347-21cpuspeed_turbos09:00:121
139699120,10cyclictest0-21swapper/107:45:261
139599129,2cyclictest0-21swapper/012:06:060
139599129,2cyclictest0-21swapper/008:25:190
139599129,2cyclictest0-21swapper/008:05:150
139599129,2cyclictest0-21swapper/007:50:140
139599129,2cyclictest0-21swapper/007:45:120
139599122,7cyclictest0-21swapper/008:32:010
139599120,2cyclictest0-21swapper/010:10:590
139599120,2cyclictest0-21swapper/008:55:280
139599120,2cyclictest0-21swapper/007:35:160
139599120,11cyclictest0-21swapper/010:05:420
139599120,11cyclictest0-21swapper/008:50:120
139599120,11cyclictest0-21swapper/008:40:180
133222120,2sleep30-21swapper/311:13:563
39222110,2sleep30-21swapper/310:00:123
139899118,2cyclictest26194-21kworker/u8:008:28:043
139899118,2cyclictest14605-21kworker/u8:209:48:053
139899118,2cyclictest0-21swapper/311:01:563
139899118,2cyclictest0-21swapper/310:57:343
139899118,2cyclictest0-21swapper/309:00:143
139899118,2cyclictest0-21swapper/308:36:183
139899118,2cyclictest0-21swapper/307:50:173
139899116,3cyclictest30227-21telnet08:20:113
139899112,6cyclictest0-21swapper/309:07:593
139899112,6cyclictest0-21swapper/307:11:013
139899111,7cyclictest0-21swapper/307:59:583
139899110,2cyclictest0-21swapper/312:25:353
139899110,2cyclictest0-21swapper/310:40:593
139899110,10cyclictest0-21swapper/310:07:153
139899110,10cyclictest0-21swapper/307:25:193
139799118,2cyclictest0-21swapper/211:26:092
139799118,2cyclictest0-21swapper/209:35:212
139799118,2cyclictest0-21swapper/209:35:202
139799112,5cyclictest0-21swapper/212:26:012
139799111,8cyclictest6549-21ssh10:02:092
139799111,7cyclictest0-21swapper/208:38:582
139799110,10cyclictest0-21swapper/207:20:132
139699112,6cyclictest7814-21copy08:45:021
139699111,8cyclictest2198-21smartctl07:10:141
139699111,5cyclictest0-21swapper/108:10:001
139699110,9cyclictest0-21swapper/109:05:151
139599118,2cyclictest0-21swapper/008:17:200
139599118,2cyclictest0-21swapper/007:29:190
139599112,6cyclictest0-21swapper/009:08:580
139599112,6cyclictest0-21swapper/008:04:010
139599112,6cyclictest0-21swapper/007:21:580
159912100,2sleep30-21swapper/307:45:003
139899107,2cyclictest0-21swapper/308:05:183
139899100,9cyclictest0-21swapper/311:44:463
139799105,3cyclictest12142-21aten2.4-expect08:55:132
139799101,6cyclictest0-21swapper/210:26:582
139799101,6cyclictest0-21swapper/207:45:002
139699106,2cyclictest3904-21sh08:35:111
139699100,8cyclictest24454-21cpuspeed_turbos08:05:131
139699100,2cyclictest14097-21apt-get07:40:131
139599107,2cyclictest0-21swapper/007:15:500
139599102,6cyclictest0-21swapper/007:41:030
139599100,7cyclictest0-21swapper/008:21:020
139599100,2cyclictest0-21swapper/009:00:020
13989994,3cyclictest4508-21wc07:15:163
13979994,3cyclictest8116-21aten2.4_r3power08:45:122
13979991,5cyclictest0-21swapper/208:20:112
13959992,6cyclictest0-21swapper/008:46:590
13959990,2cyclictest0-21swapper/008:12:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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