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2026-06-13 - 01:52

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 Sat Jun 13, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1565821430,5sleep02325699cyclictest22:29:470
22921211996,18sleep00-21swapper/019:06:030
231382117106,6sleep30-21swapper/319:08:513
23043211694,16sleep10-21swapper/119:07:361
23017210897,6sleep20-21swapper/219:07:172
228162780,0sleep30-21swapper/322:36:193
302662730,0sleep10-21swapper/123:55:191
97992560,1sleep10-21swapper/100:08:361
278462490,1sleep127845-21ssh22:42:021
2325799360,18cyclictest0-21swapper/122:35:101
313792320,1sleep10-21swapper/121:35:281
23257993214,16cyclictest0-21swapper/121:40:111
91242240,1sleep00-21swapper/021:11:030
2325899231,12cyclictest0-21swapper/221:38:552
191742230,1sleep10-21swapper/121:57:291
297052220,1sleep337-21rcuc/323:20:013
212272220,1sleep337-21rcuc/322:00:123
2325899211,12cyclictest16079-21apt-get22:30:082
2325899210,19cyclictest0-21swapper/221:00:102
2325899210,13cyclictest0-21swapper/223:55:222
2325899210,12cyclictest0-21swapper/223:12:012
2325699210,19cyclictest0-21swapper/000:30:110
2325899201,2cyclictest7057-21diskmemload23:50:102
23257992017,2cyclictest0-21swapper/120:40:101
2325699200,19cyclictest0-21swapper/020:20:100
23259991916,2cyclictest6917-21kworker/u8:122:57:053
23259991916,2cyclictest6917-21kworker/u8:122:57:043
2325899192,6cyclictest0-21swapper/223:20:002
2325899190,12cyclictest0-21swapper/222:41:012
2325899180,3cyclictest958-21ssh22:48:352
2325699170,2cyclictest0-21swapper/023:50:100
23259991613,2cyclictest5804-21kworker/u8:122:06:043
23259991613,2cyclictest31628-21kworker/u8:000:08:053
23259991613,2cyclictest30074-21kworker/u8:222:51:043
2325899160,7cyclictest0-21swapper/219:28:012
2325799161,3cyclictest0-21swapper/121:27:341
23257991611,3cyclictest0-21swapper/100:00:171
23256991611,3cyclictest0-21swapper/020:10:150
2325999151,2cyclictest9476-21sh22:22:053
23259991512,2cyclictest6963-21kworker/u8:021:17:043
23259991512,2cyclictest17028-21kworker/u8:020:44:053
23259991512,2cyclictest10316-21kworker/u8:022:42:043
23259991510,3cyclictest0-21swapper/322:45:173
2325899151,3cyclictest13524-21ssh21:16:042
2325899151,12cyclictest7057-21diskmemload00:35:122
23258991510,3cyclictest0-21swapper/223:30:162
2325799151,12cyclictest9850-21ssh22:22:421
23257991510,3cyclictest25962-21sort19:15:131
23257991510,3cyclictest13614-21ssh23:37:161
23257991510,3cyclictest0-21swapper/120:20:381
2325799150,13cyclictest31640-21switchtime22:46:041
23256991512,2cyclictest31628-21kworker/u8:000:07:040
23256991512,2cyclictest10316-21kworker/u8:022:45:040
2325699150,13cyclictest0-21swapper/019:35:120
80632140,2sleep00-21swapper/022:20:260
2325999149,3cyclictest10307-21ssh23:34:133
23259991411,2cyclictest31628-21kworker/u8:000:17:043
23259991411,2cyclictest26284-21kworker/u8:200:02:043
23259991411,2cyclictest20880-21kworker/u8:221:43:043
23259991411,2cyclictest17028-21kworker/u8:020:31:053
23259991411,2cyclictest14932-21kworker/u8:120:08:053
23259991411,2cyclictest14427-21kworker/u8:023:43:053
23259991411,2cyclictest1402-21kworker/u8:023:28:043
23259991411,2cyclictest10686-21kworker/u8:021:55:053
23259991411,2cyclictest10316-21kworker/u8:022:27:043
2325999141,11cyclictest11034-21ssh21:49:093
23259991410,3cyclictest24228-21ssh23:13:423
23259991410,2cyclictest0-21swapper/319:50:163
2325999140,12cyclictest0-21swapper/321:25:153
2325899149,3cyclictest0-21swapper/200:31:522
2325899140,7cyclictest0-21swapper/200:13:012
2325899140,3cyclictest24000-21ssh21:28:012
2325899140,2cyclictest0-21swapper/223:35:212
2325899140,13cyclictest0-21swapper/221:06:022
2325799142,7cyclictest31317-21copy20:50:001
23257991411,2cyclictest0-21swapper/122:32:291
2325799141,11cyclictest7057-21diskmemload00:32:011
2325799140,3cyclictest0-21swapper/123:01:061
2325799140,2cyclictest0-21swapper/123:08:301
2325799140,13cyclictest0-21swapper/123:47:301
2325799140,12cyclictest0-21swapper/123:52:101
2325799140,12cyclictest0-21swapper/122:00:111
2325699149,3cyclictest12519-21ssh23:35:580
23256991411,2cyclictest10316-21kworker/u8:023:02:040
23256991411,2cyclictest0-21swapper/023:21:390
23256991410,2cyclictest0-21swapper/020:15:150
2325699140,13cyclictest0-21swapper/023:25:480
2325699140,12cyclictest0-21swapper/021:25:050
2325999139,2cyclictest0-21swapper/323:48:443
23259991310,2cyclictest584-21kworker/u8:019:47:053
23259991310,2cyclictest584-21kworker/u8:019:47:043
23259991310,2cyclictest4615-21kworker/u8:300:38:043
23259991310,2cyclictest26989-21kworker/u8:221:12:043
23259991310,2cyclictest23976-21kworker/u8:223:21:043
23259991310,2cyclictest23081-21kworker/u8:219:31:053
23259991310,2cyclictest17028-21kworker/u8:020:23:043
23259991310,2cyclictest16932-21kworker/u8:119:12:043
23259991310,2cyclictest0-21swapper/321:50:133
23259991310,2cyclictest0-21swapper/321:23:373
23259991310,2cyclictest0-21swapper/300:13:103
2325999130,8cyclictest0-21swapper/321:32:053
2325999130,2cyclictest0-21swapper/322:15:163
2325999130,11cyclictest0-21swapper/323:51:073
2325899138,3cyclictest19090-21ssh21:22:352
2325899138,3cyclictest0-21swapper/220:06:022
2325899132,8cyclictest0-21swapper/223:06:592
2325899132,6cyclictest0-21swapper/220:20:012
23258991310,2cyclictest0-21swapper/223:42:322
23258991310,2cyclictest0-21swapper/221:55:182
23258991310,2cyclictest0-21swapper/220:55:152
23258991310,2cyclictest0-21swapper/200:17:462
2325899130,2cyclictest4307-21ssh22:16:162
2325899130,2cyclictest0-21swapper/223:25:552
2325899130,2cyclictest0-21swapper/222:56:002
2325899130,2cyclictest0-21swapper/222:56:002
2325899130,2cyclictest0-21swapper/222:00:212
2325899130,12cyclictest0-21swapper/223:49:412
2325899130,12cyclictest0-21swapper/221:30:222
2325899130,12cyclictest0-21swapper/200:21:422
2325899130,11cyclictest7057-21diskmemload23:00:362
2325899130,11cyclictest22183-21ssh22:35:542
2325799139,2cyclictest0-21swapper/100:38:011
2325799138,3cyclictest31911-21unixbench_singl22:11:031
2325799132,6cyclictest0-21swapper/121:30:001
2325799132,6cyclictest0-21swapper/120:10:011
2325799131,10cyclictest0-21swapper/120:50:111
2325799131,10cyclictest0-21swapper/100:30:001
23257991310,2cyclictest7057-21diskmemload00:20:101
23257991310,2cyclictest207150irq/24-eth121:24:201
23257991310,2cyclictest0-21swapper/122:07:511
23257991310,2cyclictest0-21swapper/121:50:151
23257991310,2cyclictest0-21swapper/119:36:021
23257991310,2cyclictest0-21swapper/100:12:121
2325799130,3cyclictest3728-21runrttasks23:40:061
2325799130,12cyclictest0-21swapper/123:33:401
2325799130,12cyclictest0-21swapper/123:20:141
2325799130,12cyclictest0-21swapper/123:15:491
2325799130,12cyclictest0-21swapper/122:59:001
2325799130,12cyclictest0-21swapper/122:58:591
2325799130,12cyclictest0-21swapper/122:26:391
2325799130,12cyclictest0-21swapper/121:10:391
2325799130,11cyclictest7057-21diskmemload23:11:421
2325799130,11cyclictest22462-21cut20:25:481
23256991310,2cyclictest20150-21kworker/u8:123:48:060
23256991310,2cyclictest0-21swapper/022:52:180
23256991310,2cyclictest0-21swapper/022:12:490
23256991310,2cyclictest0-21swapper/019:31:020
23256991310,2cyclictest0-21swapper/000:17:290
2325699130,2cyclictest0-21swapper/023:42:080
2325699130,2cyclictest0-21swapper/022:09:380
2325699130,2cyclictest0-21swapper/021:42:040
2325699130,2cyclictest0-21swapper/019:40:470
2325699130,2cyclictest0-21swapper/000:27:580
2325699130,2cyclictest0-21swapper/000:11:590
2325699130,12cyclictest0-21swapper/023:18:280
2325699130,12cyclictest0-21swapper/021:37:190
2325699130,11cyclictest0-21swapper/022:15:140
2325699130,11cyclictest0-21swapper/021:55:160
3392120,2sleep00-21swapper/023:58:340
2325999129,2cyclictest30542-21kworker/u8:119:26:043
2325999129,2cyclictest29104-21kworker/u8:120:49:043
2325999129,2cyclictest26989-21kworker/u8:221:05:053
2325999129,2cyclictest20150-21kworker/u8:123:55:053
2325999129,2cyclictest17028-21kworker/u8:020:18:053
2325999129,2cyclictest0-21swapper/321:37:433
2325999129,2cyclictest0-21swapper/300:22:353
2325999120,7cyclictest0-21swapper/320:10:043
2325999120,2cyclictest24382-21apt-get00:25:043
2325999120,2cyclictest0-21swapper/322:10:023
2325999120,2cyclictest0-21swapper/300:33:503
2325999120,11cyclictest0-21swapper/323:05:173
2325999120,11cyclictest0-21swapper/322:30:103
2325999120,11cyclictest0-21swapper/319:40:113
2325899129,2cyclictest0-21swapper/222:27:532
2325899129,2cyclictest0-21swapper/222:11:122
2325899129,2cyclictest0-21swapper/222:09:152
2325899129,2cyclictest0-21swapper/221:51:062
2325899129,2cyclictest0-21swapper/220:25:132
2325899129,2cyclictest0-21swapper/219:45:162
2325899129,2cyclictest0-21swapper/219:45:152
2325899129,2cyclictest0-21swapper/200:26:362
2325899123,6cyclictest0-21swapper/220:41:012
2325899123,6cyclictest0-21swapper/219:36:002
2325899122,7cyclictest0-21swapper/219:20:022
2325899121,6cyclictest0-21swapper/219:15:012
2325899120,2cyclictest0-21swapper/219:55:152
2325899120,11cyclictest0-21swapper/223:21:522
2325899120,11cyclictest0-21swapper/222:52:162
2325899120,11cyclictest0-21swapper/222:21:372
2325899120,11cyclictest0-21swapper/221:40:142
2325899120,11cyclictest0-21swapper/221:12:442
2325899120,11cyclictest0-21swapper/220:45:172
2325899120,11cyclictest0-21swapper/220:30:152
2325899120,11cyclictest0-21swapper/219:31:022
2325899120,11cyclictest0-21swapper/200:06:062
2325899120,11cyclictest0-21swapper/200:00:282
2325799129,2cyclictest0-21swapper/122:15:141
2325799129,2cyclictest0-21swapper/120:35:141
2325799122,7cyclictest0-21swapper/119:55:011
2325799122,6cyclictest0-21swapper/122:50:001
2325799122,6cyclictest0-21swapper/120:10:001
2325799122,6cyclictest0-21swapper/119:45:001
2325799121,9cyclictest11330-21munin-node1
2325799121,9cyclictest0-21swapper/121:05:131
2325799121,9cyclictest0-21swapper/119:25:111
2325799121,3cyclictest0-21swapper/119:10:131
2325799120,2cyclictest7057-21diskmemload00:15:021
2325799120,2cyclictest0-21swapper/121:45:191
2325799120,2cyclictest0-21swapper/121:16:151
2325799120,11cyclictest0-21swapper/123:25:041
2325799120,11cyclictest0-21swapper/119:45:011
2325799120,11cyclictest0-21swapper/119:45:001
2325799120,11cyclictest0-21swapper/119:21:011
2325699129,2cyclictest7057-21diskmemload22:00:010
2325699129,2cyclictest0-21swapper/022:55:500
2325699129,2cyclictest0-21swapper/022:55:490
2325699129,2cyclictest0-21swapper/022:35:130
2325699129,2cyclictest0-21swapper/022:31:320
2325699129,2cyclictest0-21swapper/021:48:330
2325699129,2cyclictest0-21swapper/021:30:380
2325699129,2cyclictest0-21swapper/021:16:080
2325699129,2cyclictest0-21swapper/000:04:210
2325699128,2cyclictest0-21swapper/021:20:150
2325699121,3cyclictest0-21swapper/020:40:150
2325699120,2cyclictest0-21swapper/000:22:530
2325699120,1cyclictest0-21swapper/023:05:120
2325699120,11cyclictest8437-21ssh23:31:020
2325699120,11cyclictest7057-21diskmemload21:52:400
2325699120,11cyclictest0-21swapper/023:12:280
2325699120,11cyclictest0-21swapper/020:35:150
2325699120,11cyclictest0-21swapper/019:20:130
2325699120,11cyclictest0-21swapper/000:38:000
2325999118,2cyclictest23081-21kworker/u8:219:35:043
2325999118,2cyclictest14427-21kworker/u8:023:39:043
2325999118,2cyclictest0-21swapper/323:02:233
2325999118,2cyclictest0-21swapper/320:50:173
2325999114,5cyclictest27215-1kworker/u9:219:22:273
2325899112,7cyclictest0-21swapper/220:22:582
2325899112,6cyclictest0-21swapper/219:42:012
2325899110,2cyclictest0-21swapper/221:48:252
2325899110,10cyclictest0-21swapper/220:50:022
2325799117,2cyclictest23411-21munin-node1
2325799111,2cyclictest0-21swapper/119:30:141
2325799110,9cyclictest0-21swapper/120:16:001
2325799110,3cyclictest0-21swapper/121:00:111
2325799110,1cyclictest0-21swapper/119:50:171
2325699110,10cyclictest0-21swapper/022:40:420
2325999107,2cyclictest26989-21kworker/u8:220:56:043
2325999107,2cyclictest0-21swapper/319:16:023
2325899105,3cyclictest27285-21munin-run19:20:002
2325899105,3cyclictest26157-21latency20:35:152
2325899102,6cyclictest0-21swapper/219:52:022
2325799100,3cyclictest1113-21aten2.4-expect20:55:131
2325699108,1cyclictest0-21swapper/019:25:510
2325699107,2cyclictest0-21swapper/020:25:100
2325699107,2cyclictest0-21swapper/020:05:160
2325699106,2cyclictest23598-21aten2.4_r3power19:10:120
2325699105,3cyclictest30079-21if_err_eth020:45:150
2325699102,7cyclictest0-21swapper/019:16:580
2325699101,5cyclictest0-21swapper/020:59:590
2325699100,6cyclictest0-21swapper/019:56:020
123562100,2sleep30-21swapper/320:00:313
232599996,2cyclictest0-21swapper/321:00:103
232599996,2cyclictest0-21swapper/320:25:583
232599994,3cyclictest3728-21runrttasks20:37:233
232599990,2cyclictest0-21swapper/319:58:043
232589994,3cyclictest3728-21runrttasks20:14:512
232589994,3cyclictest11575-21cpuspeed_turbos20:00:122
232569994,3cyclictest7214-21sort19:50:000
232569994,3cyclictest7214-21sort19:50:000
232569994,3cyclictest5835-21grep21:05:150
232569994,3cyclictest12055-21cat20:00:150
232569991,6cyclictest0-21swapper/019:51:000
232569983,3cyclictest3158-21dbus-daemon20:55:060
232569983,3cyclictest23444-21tail20:30:120
232569980,7cyclictest0-21swapper/020:50:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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