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2026-06-05 - 05:44

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 Fri Jun 05, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9324211190,15sleep30-21swapper/319:06:073
8705211199,6sleep10-21swapper/119:05:161
9604210897,6sleep20-21swapper/219:09:422
9395210695,6sleep00-21swapper/019:07:000
273212740,1sleep10-21swapper/119:55:111
169962710,6sleep3965799cyclictest23:16:033
200152690,0sleep30-21swapper/300:26:183
965599381,2cyclictest0-21swapper/123:35:111
9654992416,7cyclictest0-21swapper/023:25:110
302672210,4sleep0965499cyclictest00:04:310
965599200,2cyclictest0-21swapper/121:55:121
965499200,15cyclictest0-21swapper/022:32:010
9656991916,2cyclictest31937-21kworker/u8:020:13:042
9656991916,2cyclictest18745-21kworker/u8:119:37:042
965699190,4cyclictest0-21swapper/200:18:042
965499190,14cyclictest0-21swapper/020:10:040
9656991815,2cyclictest9937-21kworker/u8:219:13:042
9656991815,2cyclictest6301-21kworker/u8:020:33:042
9656991815,2cyclictest18745-21kworker/u8:119:42:042
9656991815,2cyclictest12681-21kworker/u8:122:08:042
965499180,13cyclictest0-21swapper/022:48:040
965499180,13cyclictest0-21swapper/022:28:010
9656991714,2cyclictest7808-21kworker/u8:022:15:052
9656991714,2cyclictest7808-21kworker/u8:021:52:052
9656991714,2cyclictest7808-21kworker/u8:021:44:042
9656991714,2cyclictest7205-21kworker/u8:222:04:042
9656991714,2cyclictest5903-21kworker/u8:223:28:012
9656991714,2cyclictest3714-21kworker/u8:200:14:042
9656991714,2cyclictest3701-21kworker/u8:220:18:042
9656991714,2cyclictest18745-21kworker/u8:119:51:052
965499170,16cyclictest0-21swapper/021:10:040
965499170,12cyclictest0-21swapper/019:26:010
144582170,0sleep30-21swapper/300:20:453
9657991613,2cyclictest0-21swapper/300:07:043
965799161,13cyclictest7477-21sed23:40:143
965799161,13cyclictest0-21swapper/323:26:103
9656991613,2cyclictest7808-21kworker/u8:021:27:052
9656991613,2cyclictest7808-21kworker/u8:021:27:042
9656991613,2cyclictest6301-21kworker/u8:020:47:042
9656991613,2cyclictest5903-21kworker/u8:223:23:042
9656991613,2cyclictest3714-21kworker/u8:200:30:012
9656991613,2cyclictest3714-21kworker/u8:200:30:012
9656991613,2cyclictest29718-21kworker/u8:123:32:042
9656991613,2cyclictest24002-21kworker/u8:122:42:052
9656991613,2cyclictest18745-21kworker/u8:120:00:012
9656991613,2cyclictest17923-21ssh00:25:132
9656991613,2cyclictest1786-21kworker/u8:121:59:042
9656991613,2cyclictest14664-21kworker/u8:321:33:042
9656991613,2cyclictest11624-21kworker/u8:023:49:042
9656991613,2cyclictest10387-21kworker/u8:120:55:042
9655991612,2cyclictest20124-21rm23:53:441
9655991610,5cyclictest24136-21diskmemload21:17:361
9655991610,5cyclictest24136-21diskmemload21:17:361
965799152,12cyclictest25246-21telnet19:50:113
965799151,3cyclictest6552-21ssh22:31:373
965799151,12cyclictest4796-21munin-node3
965799151,12cyclictest0-21swapper/323:33:383
9657991510,3cyclictest1687-21ssh21:20:123
9657991510,3cyclictest1687-21ssh21:20:123
965699152,2cyclictest0-21swapper/223:04:042
965699151,3cyclictest0-21swapper/222:48:122
9656991512,2cyclictest9937-21kworker/u8:219:17:042
9656991512,2cyclictest7808-21kworker/u8:021:36:042
9656991512,2cyclictest4729-21kworker/u8:000:20:042
9656991512,2cyclictest29718-21kworker/u8:123:40:052
9656991512,2cyclictest23444-21kworker/u8:000:01:042
9656991512,2cyclictest15304-21kworker/u8:100:35:042
965699151,12cyclictest14763-21seq23:14:362
965699150,2cyclictest0-21swapper/223:08:042
965699150,13cyclictest0-21swapper/220:26:052
9655991512,2cyclictest207150irq/24-eth121:52:411
965499150,14cyclictest0-21swapper/023:17:040
965499150,14cyclictest0-21swapper/020:58:040
965499150,14cyclictest0-21swapper/020:51:040
965499150,14cyclictest0-21swapper/019:11:040
965499150,14cyclictest0-21swapper/000:38:050
58292151,3sleep25839-21ssh23:38:322
317712151,3sleep131783-21rm22:58:231
307672150,2sleep30-21swapper/322:24:063
17052150,3sleep30-21swapper/321:53:563
965799149,3cyclictest0-21swapper/320:36:013
9657991411,2cyclictest0-21swapper/323:50:203
9657991411,2cyclictest0-21swapper/323:21:203
965799140,2cyclictest0-21swapper/322:50:193
965799140,12cyclictest0-21swapper/322:28:063
965799140,12cyclictest0-21swapper/322:01:193
965799140,12cyclictest0-21swapper/321:16:013
965799140,12cyclictest0-21swapper/321:16:013
965799140,12cyclictest0-21swapper/320:50:183
9656991411,2cyclictest11780-21kworker/u8:323:18:052
9656991411,2cyclictest10387-21kworker/u8:120:36:042
9656991411,2cyclictest0-21swapper/223:54:062
965699141,11cyclictest0-21swapper/222:25:122
965699140,2cyclictest0-21swapper/220:08:042
965699140,12cyclictest0-21swapper/222:55:142
965699140,12cyclictest0-21swapper/221:48:042
9655991411,2cyclictest0-21swapper/121:40:081
965599141,11cyclictest207150irq/24-eth122:51:141
965599140,12cyclictest27693-21munin-node1
965599140,12cyclictest0-21swapper/121:20:301
965599140,12cyclictest0-21swapper/121:20:301
9654991411,2cyclictest0-21swapper/022:52:130
965499140,13cyclictest0-21swapper/000:09:040
965499140,12cyclictest31653-21unixbench_multi23:31:030
965499140,12cyclictest0-21swapper/023:20:050
965499140,12cyclictest0-21swapper/000:20:140
965499140,10cyclictest0-21swapper/022:13:040
184372140,2sleep00-21swapper/021:36:210
965799139,3cyclictest6671-21ssh21:58:493
965799138,3cyclictest12740-21ssh23:45:213
9657991310,2cyclictest0-21swapper/323:37:093
9657991310,2cyclictest0-21swapper/322:19:493
9657991310,2cyclictest0-21swapper/320:05:123
9657991310,2cyclictest0-21swapper/300:01:403
965799130,2cyclictest0-21swapper/322:45:293
965799130,2cyclictest0-21swapper/300:36:023
965799130,2cyclictest0-21swapper/300:31:023
965799130,2cyclictest0-21swapper/300:31:023
965799130,2cyclictest0-21swapper/300:19:193
965799130,2cyclictest0-21swapper/300:10:143
965799130,12cyclictest24136-21diskmemload23:57:103
965799130,12cyclictest24136-21diskmemload23:04:083
965799130,12cyclictest0-21swapper/319:10:113
965799130,11cyclictest23655-21ssh21:41:563
9656991310,2cyclictest0-21swapper/222:35:162
965699130,9cyclictest0-21swapper/221:24:012
965699130,9cyclictest0-21swapper/221:24:012
965699130,2cyclictest0-21swapper/220:44:012
965699130,2cyclictest0-21swapper/219:30:162
965699130,1cyclictest0-21swapper/200:07:562
965699130,12cyclictest0-21swapper/223:56:422
965599138,2cyclictest0-21swapper/123:01:261
9655991310,2cyclictest8458-21ssh22:00:171
9655991310,2cyclictest0-21swapper/122:27:541
9655991310,2cyclictest0-21swapper/122:08:031
9655991310,2cyclictest0-21swapper/121:38:361
9655991310,2cyclictest0-21swapper/121:30:021
9655991310,2cyclictest0-21swapper/121:10:321
9655991310,2cyclictest0-21swapper/120:05:181
965599130,2cyclictest24134-21sh22:16:171
965599130,2cyclictest0-21swapper/123:18:311
965599130,2cyclictest0-21swapper/119:40:151
965599130,12cyclictest0-21swapper/120:55:121
965599130,11cyclictest0-21swapper/123:25:191
965599130,11cyclictest0-21swapper/122:35:011
965599130,11cyclictest0-21swapper/122:30:401
965599130,11cyclictest0-21swapper/122:10:131
9654991310,2cyclictest0-21swapper/023:09:540
9654991310,2cyclictest0-21swapper/000:14:220
965499130,2cyclictest0-21swapper/022:22:370
965499130,12cyclictest0-21swapper/020:31:040
965499130,12cyclictest0-21swapper/019:20:040
965499130,12cyclictest0-21swapper/000:26:560
965499130,12cyclictest0-21swapper/000:17:040
965499130,11cyclictest30609-21ssh22:56:320
965499130,11cyclictest0-21swapper/022:05:540
98132120,2sleep00-21swapper/022:01:100
965799129,2cyclictest0-21swapper/323:05:003
965799129,2cyclictest0-21swapper/322:40:283
965799129,2cyclictest0-21swapper/322:05:453
965799129,2cyclictest0-21swapper/321:45:093
965799129,2cyclictest0-21swapper/321:35:523
965799129,2cyclictest0-21swapper/321:30:153
965799129,2cyclictest0-21swapper/319:56:023
965799129,2cyclictest0-21swapper/319:30:143
965799121,9cyclictest20112-21sendmail21:00:003
965799120,2cyclictest0-21swapper/322:36:283
965799120,2cyclictest0-21swapper/321:26:513
965799120,2cyclictest0-21swapper/321:26:513
965799120,11cyclictest0-21swapper/323:10:293
965799120,11cyclictest0-21swapper/322:55:543
965799120,11cyclictest0-21swapper/322:10:283
965799120,11cyclictest0-21swapper/320:45:163
965799120,11cyclictest0-21swapper/319:17:293
965699129,2cyclictest3701-21kworker/u8:220:20:052
965699129,2cyclictest0-21swapper/222:50:202
965699129,2cyclictest0-21swapper/222:20:432
965699121,2cyclictest0-21swapper/221:15:052
965699121,2cyclictest0-21swapper/221:15:042
965699120,2cyclictest0-21swapper/221:04:042
965699120,2cyclictest0-21swapper/219:47:042
965699120,11cyclictest0-21swapper/222:31:152
965699120,11cyclictest0-21swapper/222:10:202
965599129,2cyclictest0-21swapper/123:40:031
965599129,2cyclictest0-21swapper/123:20:141
965599129,2cyclictest0-21swapper/123:06:451
965599129,2cyclictest0-21swapper/122:20:011
965599129,2cyclictest0-21swapper/121:25:041
965599129,2cyclictest0-21swapper/121:25:041
965599129,2cyclictest0-21swapper/119:50:011
965599129,2cyclictest0-21swapper/100:37:331
965599129,2cyclictest0-21swapper/100:27:311
965599129,2cyclictest0-21swapper/100:20:141
965599129,2cyclictest0-21swapper/100:05:081
965599129,2cyclictest0-21swapper/100:04:421
965599128,3cyclictest0-21swapper/120:25:001
965599120,2cyclictest30857-21cut23:30:191
965599120,2cyclictest24136-21diskmemload22:40:461
965599120,2cyclictest0-21swapper/123:55:031
965599120,2cyclictest0-21swapper/123:45:271
965599120,2cyclictest0-21swapper/122:45:131
965599120,2cyclictest0-21swapper/120:50:151
965599120,2cyclictest0-21swapper/100:31:061
965599120,2cyclictest0-21swapper/100:31:061
965599120,2cyclictest0-21swapper/100:11:231
965599120,11cyclictest0-21swapper/123:12:551
965599120,11cyclictest0-21swapper/121:05:141
965599120,11cyclictest0-21swapper/100:15:571
965599120,10cyclictest0-21swapper/119:25:291
965499129,2cyclictest29150-21kworker/u8:221:50:040
965499129,2cyclictest10254-21copy23:10:030
965499129,2cyclictest0-21swapper/023:36:450
965499129,2cyclictest0-21swapper/022:41:370
965499129,2cyclictest0-21swapper/022:15:410
965499120,2cyclictest24136-21diskmemload23:40:030
965499120,2cyclictest11540-21ssh23:45:020
965499120,2cyclictest0-21swapper/023:55:040
965499120,2cyclictest0-21swapper/023:01:260
965499120,2cyclictest0-21swapper/022:35:430
965499120,11cyclictest0-21swapper/019:50:040
965499120,11cyclictest0-21swapper/000:30:050
965499120,11cyclictest0-21swapper/000:30:050
965499120,10cyclictest0-21swapper/023:50:180
160732120,9sleep00-21swapper/020:50:000
965799118,2cyclictest0-21swapper/319:38:283
965799115,4cyclictest21194-21aten2.4-expect19:40:113
965799110,1cyclictest0-21swapper/321:13:213
965699112,7cyclictest0-21swapper/221:06:012
965699112,7cyclictest0-21swapper/219:27:022
965699110,2cyclictest0-21swapper/219:57:042
965599118,2cyclictest0-21swapper/119:20:121
965599118,2cyclictest0-21swapper/119:10:141
965599116,3cyclictest8238-21munin-node1
965599111,8cyclictest29249-21apt-get20:00:101
965599110,9cyclictest20333-21apt-get21:00:111
965599110,9cyclictest10545-21expr20:35:131
965599110,9cyclictest0-21swapper/120:10:111
965499118,2cyclictest7808-21kworker/u8:021:45:040
258672110,2sleep20-21swapper/221:10:502
965799107,2cyclictest6301-21kworker/u8:020:28:053
965799107,2cyclictest21232-21kworker/u8:219:48:043
965799107,2cyclictest0-21swapper/320:33:293
965799105,3cyclictest3728-21runrttasks21:06:533
965799105,3cyclictest16863-21ps19:25:183
965799102,6cyclictest4562-21gdm-simple-gree20:02:593
965799102,6cyclictest0-21swapper/320:40:013
965799102,6cyclictest0-21swapper/319:21:013
965699102,6cyclictest0-21swapper/219:21:582
965699101,7cyclictest0-21swapper/220:53:582
965599107,2cyclictest6301-21kworker/u8:020:46:011
965599107,2cyclictest0-21swapper/120:26:001
965599101,2cyclictest11878-21apt-get19:15:101
965599100,9cyclictest0-21swapper/120:41:021
965599100,3cyclictest2015-21munin-node1
965499105,3cyclictest5035-1kworker/u9:021:25:190
965499105,3cyclictest5035-1kworker/u9:021:25:190
965499105,3cyclictest10965-21latency20:35:160
965499104,4cyclictest22150irq/25-ahci[00019:31:030
69272100,1sleep00-21swapper/021:59:140
32092100,2sleep00-21swapper/021:20:590
32092100,2sleep00-21swapper/021:20:580
253942100,1sleep00-21swapper/021:44:390
96579996,2cyclictest0-21swapper/320:19:293
96579994,3cyclictest32675-21cpu20:10:113
96579992,5cyclictest0-21swapper/321:00:013
96559996,2cyclictest207150irq/24-eth119:38:411
96559996,2cyclictest18407-21ntp_offset19:30:161
96559995,2cyclictest25080-21gpgv19:50:001
96549995,3cyclictest27285-21telnet19:55:110
96549995,2cyclictest3728-21runrttasks20:19:130
96549995,2cyclictest30638-21latency_hist20:05:000
96549994,3cyclictest24128-21processes19:45:170
96549994,3cyclictest13620-21timerwakeupswit20:41:010
96549992,6cyclictest0-21swapper/021:15:080
96549992,6cyclictest0-21swapper/021:15:080
96549992,6cyclictest0-21swapper/019:19:480
96549990,8cyclictest0-21swapper/021:34:060
96549990,6cyclictest0-21swapper/021:01:580
96549990,6cyclictest0-21swapper/019:41:590
96549985,2cyclictest0-21swapper/020:05:010
96549984,3cyclictest3153-21nscd20:25:120
96549980,7cyclictest0-21swapper/021:05:180
96549980,6cyclictest0-21swapper/020:21:010
96549974,2cyclictest0-21swapper/019:35:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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