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2026-06-24 - 00:38

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 Tue Jun 23, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20309211089,16sleep00-21swapper/007:07:170
20260210998,6sleep10-21swapper/107:06:381
19749210796,6sleep30-21swapper/307:05:273
20286210688,12sleep20-21swapper/207:06:592
72872830,0sleep00-21swapper/009:47:180
137332790,1sleep2301ktimersoftd/211:05:162
251592750,0sleep10-21swapper/112:28:321
193212740,0sleep20-21swapper/211:11:052
276782730,1sleep3381ktimersoftd/310:10:143
20554992410,13cyclictest0-21swapper/110:00:121
14512240,1sleep229-21rcuc/210:52:262
20554992319,2cyclictest12742-21ssh12:15:101
161312230,0sleep00-21swapper/012:18:370
275702220,1sleep12055499cyclictest10:45:181
2055699211,2cyclictest0-21swapper/312:15:113
2055699211,18cyclictest17478-21cat10:35:003
2055599201,2cyclictest28833-21kworker/u8:211:32:042
2055699190,2cyclictest0-21swapper/312:05:583
2055699190,2cyclictest0-21swapper/311:28:133
2055699190,17cyclictest0-21swapper/312:11:163
20555991916,2cyclictest17747-21kworker/u8:210:38:042
2055699181,9cyclictest731650ssh11:34:083
2055699180,2cyclictest0-21swapper/312:36:023
2055699180,2cyclictest0-21swapper/311:50:593
2055699180,2cyclictest0-21swapper/311:41:433
2055699180,2cyclictest0-21swapper/311:17:313
2055699180,2cyclictest0-21swapper/310:55:223
2055699180,2cyclictest0-21swapper/310:50:193
2055699180,2cyclictest0-21swapper/310:35:543
2055699180,2cyclictest0-21swapper/310:28:553
2055699180,2cyclictest0-21swapper/310:28:543
2055699180,2cyclictest0-21swapper/310:20:023
2055699180,2cyclictest0-21swapper/310:20:023
2055699180,2cyclictest0-21swapper/310:15:303
2055699180,2cyclictest0-21swapper/310:07:183
2055699180,2cyclictest0-21swapper/310:01:263
2055699180,2cyclictest0-21swapper/309:47:473
2055699180,2cyclictest0-21swapper/309:40:143
2055699180,2cyclictest0-21swapper/309:32:583
2055699180,2cyclictest0-21swapper/309:26:143
2055699180,2cyclictest0-21swapper/309:20:473
2055699180,2cyclictest0-21swapper/309:11:023
2055699180,2cyclictest0-21swapper/309:05:103
2055699180,2cyclictest0-21swapper/309:03:383
2055699180,17cyclictest0-21swapper/311:35:023
2055699180,16cyclictest0-21swapper/310:47:023
2055699180,16cyclictest0-21swapper/309:57:023
2055699180,11cyclictest0-21swapper/309:35:183
20555991815,2cyclictest27491-21kworker/u8:110:14:052
20555991815,2cyclictest2448-21kworker/u8:109:42:012
20555991815,2cyclictest11150-21kworker/u8:111:42:052
20553991814,3cyclictest2899-21kworker/u8:011:32:050
2055699170,2cyclictest0-21swapper/312:26:063
2055699170,2cyclictest0-21swapper/312:20:463
2055699170,2cyclictest0-21swapper/312:00:063
2055699170,2cyclictest0-21swapper/311:55:543
2055699170,2cyclictest0-21swapper/311:45:183
2055699170,2cyclictest0-21swapper/311:20:543
2055699170,2cyclictest0-21swapper/311:09:103
2055699170,2cyclictest0-21swapper/311:00:113
2055699170,2cyclictest0-21swapper/310:41:503
2055699170,2cyclictest0-21swapper/309:50:293
2055699170,2cyclictest0-21swapper/309:17:223
2055699170,2cyclictest0-21swapper/308:15:183
2055699170,2cyclictest0-21swapper/308:00:103
2055699170,2cyclictest0-21swapper/307:40:113
2055699170,2cyclictest0-21swapper/307:34:593
2055699170,1cyclictest19350-21ssh11:11:063
2055699170,15cyclictest0-21swapper/312:30:023
20555991714,2cyclictest10680-21kworker/u8:112:12:052
2055699160,2cyclictest0-21swapper/308:55:153
2055699160,2cyclictest0-21swapper/308:50:423
2055699160,2cyclictest0-21swapper/308:46:463
2055699160,2cyclictest0-21swapper/308:40:303
2055699160,2cyclictest0-21swapper/308:36:023
2055699160,2cyclictest0-21swapper/308:30:113
2055699160,2cyclictest0-21swapper/308:26:383
2055699160,2cyclictest0-21swapper/308:20:183
2055699160,2cyclictest0-21swapper/308:10:143
2055699160,2cyclictest0-21swapper/308:05:233
2055699160,2cyclictest0-21swapper/307:58:273
2055699160,2cyclictest0-21swapper/307:51:063
2055699160,2cyclictest0-21swapper/307:45:143
2055699160,2cyclictest0-21swapper/307:36:063
2055699160,2cyclictest0-21swapper/307:25:103
2055699160,2cyclictest0-21swapper/307:10:023
20555991613,2cyclictest6288-21kworker/u8:109:33:042
20555991613,2cyclictest29291-21kworker/u8:209:37:052
20555991613,2cyclictest25339-21kworker/u8:111:54:052
20555991613,2cyclictest22653-21kworker/u8:208:55:052
20555991613,2cyclictest17115-21kworker/u8:210:06:052
2055699150,2cyclictest0-21swapper/307:20:023
2055699150,2cyclictest0-21swapper/307:15:033
2055599151,3cyclictest7555-21iostat_ios07:55:162
2055599151,3cyclictest0-21swapper/211:00:152
20555991512,2cyclictest6288-21kworker/u8:109:24:062
20555991512,2cyclictest5683-21kworker/u8:212:15:042
20555991512,2cyclictest5683-21kworker/u8:212:07:052
20555991512,2cyclictest22332-21kworker/u8:010:58:052
20555991512,2cyclictest11150-21kworker/u8:111:39:042
2055599150,2cyclictest0-21swapper/209:26:042
2055399151,12cyclictest28218-21grep11:20:590
2055399151,12cyclictest27036-21apt-get08:45:130
20555991411,2cyclictest6288-21kworker/u8:109:18:042
20555991411,2cyclictest25339-21kworker/u8:111:57:042
20555991411,2cyclictest2448-21kworker/u8:109:55:042
20555991411,2cyclictest22332-21kworker/u8:010:33:042
20555991411,2cyclictest18529-21kworker/u8:008:32:052
2055599140,12cyclictest642-21apt-get09:00:082
2055599140,12cyclictest0-21swapper/212:32:432
2055499149,3cyclictest7436-21ssh12:09:201
20554991411,2cyclictest0-21swapper/108:11:011
2055499140,12cyclictest4623-21diskmemload10:15:011
2055499140,12cyclictest0-21swapper/111:37:501
2055499140,12cyclictest0-21swapper/111:24:191
2055499140,12cyclictest0-21swapper/109:40:111
20553991410,2cyclictest0-21swapper/010:20:120
20553991410,2cyclictest0-21swapper/010:20:110
20553991410,2cyclictest0-21swapper/007:50:140
2055399140,2cyclictest0-21swapper/011:10:180
166782140,2sleep00-21swapper/009:21:570
2055599138,3cyclictest21753-21cron11:49:592
20555991310,2cyclictest3965-21kworker/u8:210:26:062
20555991310,2cyclictest3965-21kworker/u8:210:26:052
20555991310,2cyclictest2899-21kworker/u8:012:00:042
20555991310,2cyclictest28833-21kworker/u8:211:22:042
20555991310,2cyclictest27491-21kworker/u8:110:15:042
20555991310,2cyclictest22522-21kworker/u8:107:36:042
20555991310,2cyclictest22332-21kworker/u8:010:24:052
20555991310,2cyclictest22332-21kworker/u8:010:24:042
20555991310,2cyclictest12000-21kworker/u8:011:17:052
20555991310,2cyclictest0-21swapper/207:45:182
2055599130,2cyclictest0-21swapper/210:43:122
2055499139,2cyclictest0-21swapper/111:00:301
20554991310,2cyclictest0-21swapper/111:56:221
20554991310,2cyclictest0-21swapper/111:50:171
20554991310,2cyclictest0-21swapper/111:48:211
20554991310,2cyclictest0-21swapper/111:43:121
20554991310,2cyclictest0-21swapper/111:28:411
20554991310,2cyclictest0-21swapper/110:32:521
20554991310,2cyclictest0-21swapper/110:12:101
20554991310,2cyclictest0-21swapper/110:05:131
20554991310,2cyclictest0-21swapper/109:15:091
20554991310,2cyclictest0-21swapper/108:05:181
20554991310,2cyclictest0-21swapper/107:55:121
20554991310,2cyclictest0-21swapper/107:30:161
2055499130,5cyclictest0-21swapper/112:34:211
2055499130,3cyclictest0-21swapper/111:32:091
2055499130,2cyclictest4623-21diskmemload10:21:011
2055499130,2cyclictest4623-21diskmemload10:21:001
2055499130,2cyclictest4623-21diskmemload09:10:391
2055499130,2cyclictest1739-21ssh12:02:511
2055499130,2cyclictest0-21swapper/109:31:591
2055499130,2cyclictest0-21swapper/109:26:011
2055499130,2cyclictest0-21swapper/109:20:491
2055499130,12cyclictest0-21swapper/112:20:051
2055499130,11cyclictest4623-21diskmemload12:13:031
20553991310,2cyclictest28418-21processes10:10:190
20553991310,2cyclictest1487-21ssh12:02:270
20553991310,2cyclictest0-21swapper/012:35:340
20553991310,2cyclictest0-21swapper/012:20:090
20553991310,2cyclictest0-21swapper/012:05:120
20553991310,2cyclictest0-21swapper/011:45:480
20553991310,2cyclictest0-21swapper/011:40:260
20553991310,2cyclictest0-21swapper/011:15:250
20553991310,2cyclictest0-21swapper/011:00:080
20553991310,2cyclictest0-21swapper/010:55:340
20553991310,2cyclictest0-21swapper/010:51:170
20553991310,2cyclictest0-21swapper/010:40:380
20553991310,2cyclictest0-21swapper/010:25:570
20553991310,2cyclictest0-21swapper/010:25:570
20553991310,2cyclictest0-21swapper/010:02:140
20553991310,2cyclictest0-21swapper/009:36:440
20553991310,2cyclictest0-21swapper/009:27:460
20553991310,2cyclictest0-21swapper/009:11:180
20553991310,2cyclictest0-21swapper/008:35:160
20553991310,2cyclictest0-21swapper/007:35:160
2055399130,2cyclictest23680-21python11:51:000
2055399130,2cyclictest0-21swapper/012:25:110
2055399130,2cyclictest0-21swapper/010:31:050
2055399130,2cyclictest0-21swapper/010:16:040
2055399130,2cyclictest0-21swapper/010:05:130
2055399130,2cyclictest0-21swapper/009:59:140
2055399130,2cyclictest0-21swapper/007:10:130
2055399130,12cyclictest4623-21diskmemload09:53:170
2055399130,12cyclictest0-21swapper/012:34:280
2055399130,12cyclictest0-21swapper/011:35:140
2055399130,12cyclictest0-21swapper/010:35:570
2055399130,12cyclictest0-21swapper/008:50:170
2055399130,12cyclictest0-21swapper/007:25:110
2055399130,11cyclictest9380-21ssh12:10:310
200832130,2sleep20-21swapper/210:01:042
57082120,1sleep10-21swapper/109:45:191
2055599129,2cyclictest4422-21kworker/u8:108:00:042
2055599129,2cyclictest22653-21kworker/u8:208:35:042
2055599129,2cyclictest18529-21kworker/u8:008:28:042
2055599129,2cyclictest0-21swapper/211:26:222
2055599129,2cyclictest0-21swapper/209:50:152
2055599129,2cyclictest0-21swapper/209:49:132
2055599120,2cyclictest0-21swapper/212:27:042
2055599120,2cyclictest0-21swapper/208:51:042
2055599120,11cyclictest30657-21copy12:35:032
2055599120,11cyclictest0-21swapper/210:45:032
2055599120,11cyclictest0-21swapper/208:20:132
2055499129,2cyclictest30657-21copy12:35:011
2055499129,2cyclictest0-21swapper/111:15:101
2055499129,2cyclictest0-21swapper/109:55:111
2055499129,2cyclictest0-21swapper/108:50:171
2055499122,7cyclictest4556-21metacity10:42:591
2055499121,9cyclictest0-21swapper/109:05:111
2055499120,2cyclictest0-21swapper/110:55:091
2055499120,2cyclictest0-21swapper/108:55:171
2055499120,2cyclictest0-21swapper/108:35:131
2055499120,11cyclictest0-21swapper/111:10:041
2055499120,11cyclictest0-21swapper/111:05:401
2055499120,11cyclictest0-21swapper/110:50:541
2055499120,11cyclictest0-21swapper/110:37:521
2055499120,11cyclictest0-21swapper/110:27:451
2055499120,11cyclictest0-21swapper/110:27:451
2055499120,11cyclictest0-21swapper/109:36:051
2055499120,11cyclictest0-21swapper/109:00:001
2055499120,11cyclictest0-21swapper/108:30:141
2055499120,11cyclictest0-21swapper/107:50:131
2055499120,10cyclictest0-21swapper/109:50:121
2055399129,2cyclictest0-21swapper/011:25:060
2055399129,2cyclictest0-21swapper/009:40:120
2055399129,2cyclictest0-21swapper/008:11:020
2055399129,2cyclictest0-21swapper/008:06:040
2055399129,2cyclictest0-21swapper/007:55:120
2055399120,2cyclictest25441-21uniq08:40:130
2055399120,2cyclictest0-21swapper/011:55:270
2055399120,2cyclictest0-21swapper/008:25:380
2055399120,2cyclictest0-21swapper/007:40:150
2055399120,11cyclictest0-21swapper/009:33:050
2055399120,11cyclictest0-21swapper/009:00:150
2055399120,11cyclictest0-21swapper/008:30:130
2055399120,11cyclictest0-21swapper/007:45:190
2055399120,10cyclictest22522-21kworker/u8:107:16:040
2055599118,2cyclictest8560-21kworker/u8:008:06:022
2055599118,2cyclictest3362-21kworker/u8:309:10:062
2055599118,2cyclictest22653-21kworker/u8:208:41:042
2055599117,3cyclictest26626-21apt-get07:25:062
2055599110,10cyclictest0-21swapper/212:20:182
2055499113,6cyclictest0-21swapper/107:23:201
2055499111,8cyclictest26872-21munin-node1
2055499111,8cyclictest0-21swapper/108:45:141
2055499110,9cyclictest0-21swapper/108:40:121
2055499110,9cyclictest0-21swapper/108:16:371
2055499110,9cyclictest0-21swapper/107:40:111
2055499110,10cyclictest0-21swapper/108:20:401
2055399110,10cyclictest16411-21kworker/u8:208:17:040
2055399110,10cyclictest0-21swapper/010:45:380
2055399110,10cyclictest0-21swapper/008:02:370
151332110,1sleep00-21swapper/011:06:480
114902110,1sleep00-21swapper/009:16:040
2055599107,2cyclictest32597-21kworker/u8:007:42:022
2055599107,2cyclictest22522-21kworker/u8:107:23:042
2055599107,2cyclictest12696-21kworker/u8:108:19:042
2055599107,2cyclictest12696-21kworker/u8:108:10:012
2055599107,2cyclictest0-21swapper/209:05:142
2055499105,3cyclictest21006-21grep07:10:121
2055499101,7cyclictest0-21swapper/108:00:151
2055499101,6cyclictest0-21swapper/107:38:211
2055499100,9cyclictest0-21swapper/107:45:511
2055499100,8cyclictest0-21swapper/108:25:121
2055499100,8cyclictest0-21swapper/107:15:111
2055399107,2cyclictest0-21swapper/007:30:190
2055399107,2cyclictest0-21swapper/007:20:170
205559996,2cyclictest14368-21kworker/u8:007:13:042
205559996,2cyclictest0-21swapper/207:33:222
205559994,3cyclictest3728-21runrttasks07:50:112
205559994,3cyclictest28219-21wc08:46:042
205559990,2cyclictest0-21swapper/207:15:332
205539990,8cyclictest0-21swapper/008:20:390
205539990,2cyclictest0-21swapper/008:57:040
205539983,3cyclictest3307-21hwlatdetect09:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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