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2026-04-19 - 13:44

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 all highest latencies:
System rack3slot6s.osadl.org (updated Sun Apr 19, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6561211796,16sleep00-21swapper/007:09:460
63382116105,6sleep10-21swapper/107:06:551
6361211596,13sleep20-21swapper/207:07:122
5183211086,16sleep30-21swapper/307:05:133
264352800,0sleep20-21swapper/212:01:222
62332740,1sleep1221ktimersoftd/109:59:361
96102730,1sleep3381ktimersoftd/311:44:523
660599330,31cyclictest0-21swapper/009:05:110
660699245,2cyclictest0-21swapper/112:02:041
110352240,0sleep10-21swapper/111:11:101
660699220,17cyclictest0-21swapper/110:23:041
660899210,19cyclictest0-21swapper/307:55:113
660799210,19cyclictest0-21swapper/207:35:122
660699211,18cyclictest0-21swapper/109:20:101
660899200,4cyclictest8021-21timerandwakeup12:16:043
660899200,18cyclictest0-21swapper/309:50:113
660899200,18cyclictest0-21swapper/309:20:103
6606992017,2cyclictest14740-21kworker/u8:209:10:041
660699200,2cyclictest0-21swapper/108:20:111
660699200,18cyclictest0-21swapper/108:05:131
660599200,15cyclictest0-21swapper/010:50:010
6606991916,2cyclictest27462-21kworker/u8:012:39:051
6606991916,2cyclictest12482-21kworker/u8:112:22:051
660799180,2cyclictest0-21swapper/209:05:112
660699182,2cyclictest11327-21apt-get10:05:051
6606991815,2cyclictest829-21kworker/u8:212:27:041
6606991815,2cyclictest3164-21kworker/u8:010:32:061
6606991815,2cyclictest305-21kworker/u8:208:32:051
6606991815,2cyclictest26280-21kworker/u8:109:54:021
6606991815,2cyclictest20109-21kworker/u8:110:48:041
6606991815,2cyclictest14740-21kworker/u8:209:27:051
6606991714,2cyclictest6094-21kworker/u8:008:47:041
6606991714,2cyclictest3164-21kworker/u8:010:37:041
6606991714,2cyclictest20109-21kworker/u8:111:04:041
6606991714,2cyclictest18797-21kworker/u8:007:25:051
6606991714,2cyclictest14740-21kworker/u8:209:47:041
6606991712,4cyclictest14740-21kworker/u8:209:19:051
660699170,2cyclictest0-21swapper/112:32:041
660899161,13cyclictest10391-21kworker/u8:109:40:113
6606991613,2cyclictest9177-21kworker/u8:108:37:041
6606991613,2cyclictest829-21kworker/u8:212:10:041
6606991613,2cyclictest6094-21kworker/u8:008:29:041
6606991613,2cyclictest18797-21kworker/u8:007:39:041
6606991613,2cyclictest18797-21kworker/u8:007:32:041
6606991613,2cyclictest17082-21kworker/u8:009:08:041
6606991613,2cyclictest17082-21kworker/u8:009:00:051
6606991613,2cyclictest17048-21kworker/u8:207:59:041
6606991613,2cyclictest17048-21kworker/u8:207:49:041
6606991613,2cyclictest13859-21kworker/u8:111:22:021
6606991611,3cyclictest0-21swapper/111:30:161
660699160,2cyclictest0-21swapper/111:46:011
660699160,11cyclictest6814-21kworker/1:111:16:011
660599161,13cyclictest31364-21hddtemp_smartct10:25:160
183332161,3sleep018343-21ssh11:53:390
6608991511,2cyclictest1047-21copy12:10:013
6608991511,2cyclictest0-21swapper/309:16:013
6608991510,3cyclictest1714-21ssh10:28:253
6606991512,2cyclictest26992-21kworker/u8:111:42:041
6606991512,2cyclictest18797-21kworker/u8:007:43:041
6606991512,2cyclictest18797-21kworker/u8:007:11:041
6606991512,2cyclictest17048-21kworker/u8:208:04:011
6606991510,3cyclictest20391-21cut09:40:141
660699150,2cyclictest0-21swapper/111:53:041
660699150,2cyclictest0-21swapper/110:51:041
6605991510,3cyclictest434-21telnet11:35:120
660599150,3cyclictest0-21swapper/012:20:000
660599150,13cyclictest5473-21ssh09:25:120
660599150,13cyclictest28998-21ntp_offset09:15:180
310332150,3sleep00-21swapper/008:10:010
660899149,3cyclictest28883-21ssh09:49:303
660899149,3cyclictest11464-21ssh10:38:313
6608991411,2cyclictest29039-21apt-get12:05:113
6608991411,2cyclictest0-21swapper/311:06:323
6608991411,2cyclictest0-21swapper/310:54:423
6608991411,2cyclictest0-21swapper/310:16:523
660899140,2cyclictest0-21swapper/312:33:433
660899140,2cyclictest0-21swapper/311:55:013
660899140,13cyclictest0-21swapper/310:01:173
660899140,12cyclictest0-21swapper/311:04:223
660899140,12cyclictest0-21swapper/310:20:013
660899140,12cyclictest0-21swapper/309:35:393
660799149,3cyclictest0-21swapper/209:25:152
6607991411,2cyclictest0-21swapper/209:46:052
6607991411,2cyclictest0-21swapper/208:15:112
660799140,3cyclictest23318-21cut09:10:112
660799140,3cyclictest17436-21ssh12:26:022
660799140,12cyclictest0-21swapper/209:30:112
660799140,12cyclictest0-21swapper/208:20:122
660699149,3cyclictest32497-21timerandwakeup08:11:011
6606991411,2cyclictest18797-21kworker/u8:007:52:051
6606991411,2cyclictest0-21swapper/107:16:001
6606991410,2cyclictest0-21swapper/110:25:161
660699140,12cyclictest0-21swapper/112:05:111
660599149,3cyclictest17144-21cpu07:35:120
660599143,7cyclictest21134-21ssh11:56:010
660599142,6cyclictest0-21swapper/008:20:010
660599141,2cyclictest24983-21apt-get12:35:070
660599140,3cyclictest32436-21ssh11:00:150
660599140,12cyclictest7172-21ssh11:07:360
660599140,12cyclictest0-21swapper/012:22:400
660599140,12cyclictest0-21swapper/010:35:120
660599140,12cyclictest0-21swapper/008:45:130
295232140,2sleep30-21swapper/312:39:393
660899139,2cyclictest0-21swapper/310:14:153
6608991310,2cyclictest0-21swapper/312:21:383
6608991310,2cyclictest0-21swapper/312:00:023
6608991310,2cyclictest0-21swapper/311:50:253
6608991310,2cyclictest0-21swapper/311:45:323
6608991310,2cyclictest0-21swapper/311:36:033
6608991310,2cyclictest0-21swapper/311:31:523
6608991310,2cyclictest0-21swapper/310:47:453
6608991310,2cyclictest0-21swapper/309:10:393
6608991310,2cyclictest0-21swapper/307:30:113
660899130,2cyclictest0-21swapper/312:25:423
660899130,2cyclictest0-21swapper/310:34:443
660899130,2cyclictest0-21swapper/310:05:143
660899130,2cyclictest0-21swapper/309:30:413
660899130,2cyclictest0-21swapper/309:00:193
660899130,12cyclictest0-21swapper/310:40:353
660899130,12cyclictest0-21swapper/309:56:543
660899130,12cyclictest0-21swapper/309:25:443
660899130,12cyclictest0-21swapper/308:00:153
660899130,12cyclictest0-21swapper/307:16:033
660899130,11cyclictest15084-21munin-node3
660899130,11cyclictest0-21swapper/311:20:513
660899130,11cyclictest0-21swapper/310:55:143
660799132,9cyclictest3768-21ssh09:23:012
6607991310,2cyclictest0-21swapper/212:16:052
6607991310,2cyclictest0-21swapper/211:45:162
6607991310,2cyclictest0-21swapper/210:57:212
6607991310,2cyclictest0-21swapper/210:51:412
6607991310,2cyclictest0-21swapper/208:11:022
6607991310,2cyclictest0-21swapper/208:00:172
660799130,2cyclictest0-21swapper/211:30:142
660799130,2cyclictest0-21swapper/209:19:002
660799130,2cyclictest0-21swapper/208:25:012
660699138,3cyclictest0-21swapper/111:55:171
660699132,7cyclictest0-21swapper/108:55:001
660699131,10cyclictest0-21swapper/110:55:181
6606991310,2cyclictest0-21swapper/111:35:571
660699130,2cyclictest0-21swapper/109:32:051
660699130,11cyclictest0-21swapper/110:00:391
660599138,3cyclictest0-21swapper/008:05:000
6605991310,2cyclictest0-21swapper/012:31:020
6605991310,2cyclictest0-21swapper/010:56:100
6605991310,2cyclictest0-21swapper/010:05:180
660599130,3cyclictest19772-21ssh11:20:330
660599130,2cyclictest0-21swapper/010:16:090
660599130,2cyclictest0-21swapper/009:50:500
660599130,2cyclictest0-21swapper/009:35:130
660599130,2cyclictest0-21swapper/009:00:180
660599130,2cyclictest0-21swapper/008:40:590
660599130,12cyclictest0-21swapper/009:11:010
660599130,11cyclictest26868-21diskmemload11:28:390
35592130,2sleep00-21swapper/009:22:440
302672130,2sleep00-21swapper/011:31:300
253212130,2sleep10-21swapper/111:26:101
133762130,2sleep30-21swapper/311:14:543
660899124,6cyclictest0-21swapper/308:33:583
660899120,2cyclictest13760-21munin-node3
660899120,11cyclictest0-21swapper/311:25:383
660899120,11cyclictest0-21swapper/311:16:053
660899120,11cyclictest0-21swapper/308:10:143
660899120,11cyclictest0-21swapper/307:40:133
660799129,2cyclictest0-21swapper/212:20:142
660799129,2cyclictest0-21swapper/211:55:222
660799129,2cyclictest0-21swapper/211:00:112
660799129,2cyclictest0-21swapper/209:55:172
660799129,2cyclictest0-21swapper/209:52:192
660799129,2cyclictest0-21swapper/209:40:142
660799129,2cyclictest0-21swapper/209:35:272
660799129,2cyclictest0-21swapper/208:35:172
660799128,2cyclictest0-21swapper/211:40:062
660799120,3cyclictest0-21swapper/207:21:042
660799120,2cyclictest0-21swapper/211:54:252
660799120,2cyclictest0-21swapper/211:10:172
660799120,2cyclictest0-21swapper/210:44:562
660799120,2cyclictest0-21swapper/210:27:212
660799120,2cyclictest0-21swapper/210:20:212
660799120,2cyclictest0-21swapper/208:55:172
660799120,2cyclictest0-21swapper/208:55:172
660799120,2cyclictest0-21swapper/208:30:002
660799120,11cyclictest0-21swapper/211:25:112
660799120,11cyclictest0-21swapper/210:45:142
660799120,11cyclictest0-21swapper/207:56:002
660799120,10cyclictest23692-21ssh12:32:572
660799120,10cyclictest0-21swapper/212:13:072
660799120,10cyclictest0-21swapper/211:36:012
660699129,2cyclictest0-21swapper/112:15:501
660699129,2cyclictest0-21swapper/110:15:191
660699129,2cyclictest0-21swapper/108:55:171
660699129,2cyclictest0-21swapper/108:55:161
660699128,2cyclictest0-21swapper/108:40:121
660699120,2cyclictest0-21swapper/110:11:441
660699120,11cyclictest0-21swapper/111:05:161
660699120,11cyclictest0-21swapper/109:35:171
660699120,11cyclictest0-21swapper/107:20:121
660599129,2cyclictest28699-21ssh12:04:580
660599129,2cyclictest0-21swapper/012:10:260
660599129,2cyclictest0-21swapper/011:10:170
660599129,2cyclictest0-21swapper/009:30:390
660599122,7cyclictest0-21swapper/007:25:020
660599120,2cyclictest24647-21ssh09:45:050
660599120,2cyclictest0-21swapper/010:44:110
660599120,2cyclictest0-21swapper/010:11:370
660599120,11cyclictest18254-21ssh12:26:510
660599120,11cyclictest0-21swapper/012:08:570
660599120,11cyclictest0-21swapper/010:20:150
660599120,11cyclictest0-21swapper/010:00:110
660599120,11cyclictest0-21swapper/009:55:050
660599120,11cyclictest0-21swapper/009:40:150
660599120,11cyclictest0-21swapper/008:36:010
660599120,11cyclictest0-21swapper/008:21:000
660599120,10cyclictest0-21swapper/011:17:590
660899118,2cyclictest0-21swapper/307:50:173
660899118,2cyclictest0-21swapper/307:20:133
660899112,6cyclictest0-21swapper/308:36:013
660899110,1cyclictest0-21swapper/308:45:203
660799118,2cyclictest0-21swapper/212:06:412
660799118,2cyclictest0-21swapper/211:20:072
660799118,2cyclictest0-21swapper/211:06:222
660799118,2cyclictest0-21swapper/210:36:032
660799118,2cyclictest0-21swapper/207:10:112
660799112,6cyclictest8407-21ssh10:00:582
660799112,5cyclictest0-21swapper/209:01:012
660799110,2cyclictest0-21swapper/210:33:042
660799110,10cyclictest0-21swapper/210:19:552
660799110,10cyclictest0-21swapper/210:12:542
660799110,10cyclictest0-21swapper/210:05:542
660699117,2cyclictest0-21swapper/108:15:131
660699110,3cyclictest0-21swapper/110:40:121
660599118,2cyclictest8615-21apt-get07:15:000
660599118,2cyclictest0-21swapper/011:45:330
660599118,2cyclictest0-21swapper/011:40:090
660599118,2cyclictest0-21swapper/010:46:240
660599118,2cyclictest0-21swapper/010:31:370
660599117,2cyclictest18797-21kworker/u8:007:15:050
660599111,8cyclictest588-21munin-run08:15:000
660599111,6cyclictest0-21swapper/007:32:550
660899102,6cyclictest0-21swapper/307:11:013
660899102,5cyclictest0-21swapper/308:28:593
660899102,2cyclictest0-21swapper/308:55:043
660899102,2cyclictest0-21swapper/308:55:043
660899101,6cyclictest0-21swapper/309:06:003
660799107,2cyclictest0-21swapper/212:37:332
660799107,2cyclictest0-21swapper/211:17:252
660799107,2cyclictest0-21swapper/208:50:492
660799102,6cyclictest3688-21Xorg07:32:582
660799102,5cyclictest0-21swapper/207:17:392
660599107,2cyclictest6094-21kworker/u8:008:30:060
660599102,7cyclictest0-21swapper/008:27:010
660599102,7cyclictest0-21swapper/007:47:010
660599102,7cyclictest0-21swapper/007:40:020
660599102,6cyclictest0-21swapper/007:53:110
660599101,7cyclictest32552-21kworker/0:008:55:140
660599101,7cyclictest32552-21kworker/0:008:55:130
66089994,3cyclictest3163-21tr08:20:133
66089992,6cyclictest0-21swapper/308:41:023
66089992,6cyclictest0-21swapper/308:08:013
66079992,6cyclictest0-21swapper/207:45:012
66079992,4cyclictest0-21swapper/208:40:592
66079992,4cyclictest0-21swapper/207:43:582
66079991,2cyclictest0-21swapper/207:51:052
66079990,7cyclictest13264-21df07:25:122
66059994,3cyclictest25808-21missed_timers07:55:160
66059994,3cyclictest15652-21tr08:50:140
66059994,3cyclictest11578-21cut07:20:150
66089983,3cyclictest21916-21ntp_states07:45:183
66089983,3cyclictest1027-21sort08:15:133
66089980,4cyclictest0-21swapper/307:35:053
66079983,3cyclictest29252-21munin-node2
66079982,4cyclictest0-21swapper/208:47:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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