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2026-05-08 - 17:25

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 Fri May 08, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11079211594,16sleep00-21swapper/007:09:320
10935211497,12sleep10-21swapper/107:07:411
10869211295,12sleep30-21swapper/307:06:513
11044211194,12sleep20-21swapper/207:09:062
2666321100,1sleep20-21swapper/210:19:552
149242770,1sleep3381ktimersoftd/311:17:243
252762760,1sleep10-21swapper/110:53:571
206112720,0sleep30-21swapper/310:48:343
177832720,1sleep00-21swapper/009:34:360
289302280,1sleep30-21swapper/307:51:013
280212220,0sleep00-21swapper/011:31:120
19422200,1sleep30-21swapper/309:51:553
1114599200,18cyclictest0-21swapper/112:00:101
1114599200,18cyclictest0-21swapper/108:00:101
1114599200,18cyclictest0-21swapper/107:45:111
1114499200,19cyclictest0-21swapper/007:40:100
104972180,3sleep01114499cyclictest11:47:550
11146991714,2cyclictest29229-21kworker/u8:110:28:042
1114699171,14cyclictest11637-21aten2.4-expect08:30:112
1114699171,14cyclictest0-21swapper/211:33:052
1114699170,2cyclictest0-21swapper/210:51:052
256472160,0sleep20-21swapper/207:45:112
1114799161,13cyclictest7817-21ssh12:20:143
11146991613,2cyclictest16771-21kworker/u8:007:30:042
1114699161,12cyclictest0-21swapper/208:20:142
1114699160,12cyclictest15491-21ssh11:53:322
11147991511,3cyclictest3076-21ssh11:05:103
1114799151,12cyclictest0-21swapper/310:30:133
1114799150,14cyclictest0-21swapper/307:15:103
1114699151,3cyclictest21589-21perl12:35:122
1114699151,3cyclictest0-21swapper/210:35:522
11146991512,2cyclictest3162-21kworker/u8:009:59:042
11146991512,2cyclictest23669-21kworker/u8:009:16:042
11146991512,2cyclictest21145-21kworker/u8:210:55:052
11146991512,2cyclictest21131-21kworker/u8:112:07:052
11146991512,2cyclictest12004-21kworker/u8:012:20:052
1114699151,12cyclictest11356-21apt-get07:10:102
1114699150,3cyclictest0-21swapper/211:55:172
1114699150,2cyclictest0-21swapper/212:02:052
1114699150,13cyclictest5462-21cat09:20:172
1114699150,11cyclictest0-21swapper/209:10:042
11145991511,2cyclictest0-21swapper/108:50:101
1114599150,3cyclictest26415-21diskstats11:30:131
1114599150,13cyclictest0-21swapper/111:11:021
11144991512,2cyclictest16783-21kworker/u8:011:37:050
240202141,2sleep20-21swapper/209:40:282
236692140,2sleep00-21swapper/010:51:090
1114799149,3cyclictest0-21swapper/311:35:133
1114799142,2cyclictest0-21swapper/310:25:543
1114799141,3cyclictest0-21swapper/311:44:393
1114799141,12cyclictest32531-21ssh11:01:023
1114799141,12cyclictest14905-21ssh10:06:003
11147991411,2cyclictest0-21swapper/309:13:203
1114799140,13cyclictest21293-21ssh11:25:003
1114799140,13cyclictest0-21swapper/312:30:003
1114799140,13cyclictest0-21swapper/308:10:003
1114799140,12cyclictest0-21swapper/311:45:133
1114799140,12cyclictest0-21swapper/310:59:593
1114799140,12cyclictest0-21swapper/310:10:183
1114799140,12cyclictest0-21swapper/309:55:073
1114699141,2cyclictest6171-21ssh11:07:502
11146991411,2cyclictest21131-21kworker/u8:112:11:032
11146991411,2cyclictest12004-21kworker/u8:012:19:042
11146991411,2cyclictest11380-21kworker/u8:210:44:012
1114699140,13cyclictest0-21swapper/211:25:002
1114699140,13cyclictest0-21swapper/209:39:052
11145991411,2cyclictest0-21swapper/112:15:181
11145991411,2cyclictest0-21swapper/110:15:121
1114599140,12cyclictest1030-21munin-node1
1114599140,12cyclictest0-21swapper/111:40:111
1114599140,12cyclictest0-21swapper/109:50:491
1114599140,12cyclictest0-21swapper/109:05:171
1114599140,12cyclictest0-21swapper/108:25:111
1114499141,2cyclictest4956-21ssh11:41:220
11144991411,2cyclictest0-21swapper/012:00:080
11144991411,2cyclictest0-21swapper/009:45:130
11144991410,2cyclictest21914-21grep08:55:120
1114499140,12cyclictest31109-21apt-get07:56:550
1114499140,12cyclictest25581-21apt-get09:05:110
1114499140,12cyclictest19439-21date08:50:000
1114499140,12cyclictest12909-21munin-node0
1114499140,12cyclictest0-21swapper/011:53:060
1114499140,12cyclictest0-21swapper/010:45:130
1114499140,12cyclictest0-21swapper/008:30:140
203092130,1sleep00-21swapper/011:23:390
196492130,2sleep20-21swapper/210:46:532
173592130,2sleep027370-21diskmemload10:09:280
1114799138,3cyclictest18827-21ssh11:56:283
1114799138,3cyclictest0-21swapper/308:25:003
1114799131,2cyclictest11143-21cyclictest12:10:003
11147991310,2cyclictest0-21swapper/312:16:103
11147991310,2cyclictest0-21swapper/310:16:023
11147991310,2cyclictest0-21swapper/308:55:163
1114799130,2cyclictest0-21swapper/310:35:573
1114799130,12cyclictest0-21swapper/311:32:103
1114799130,12cyclictest0-21swapper/310:41:023
1114799130,12cyclictest0-21swapper/310:04:103
1114799130,12cyclictest0-21swapper/309:47:303
1114799130,12cyclictest0-21swapper/308:36:003
1114799130,11cyclictest0-21swapper/309:42:513
1114799130,11cyclictest0-21swapper/308:25:123
1114699139,3cyclictest26665-21kworker/u8:210:02:042
11146991310,2cyclictest5551-21kworker/u8:211:47:042
11146991310,2cyclictest27717-21kworker/u8:008:42:032
11146991310,2cyclictest27717-21kworker/u8:007:51:032
11146991310,2cyclictest26665-21kworker/u8:210:05:052
11146991310,2cyclictest19534-21kworker/u8:207:39:042
11146991310,2cyclictest0-21swapper/211:40:492
11146991310,2cyclictest0-21swapper/210:30:092
11146991310,2cyclictest0-21swapper/209:45:072
11146991310,2cyclictest0-21swapper/208:35:172
1114699130,2cyclictest0-21swapper/211:35:052
1114699130,2cyclictest0-21swapper/211:28:062
1114699130,2cyclictest0-21swapper/211:00:062
1114699130,2cyclictest0-21swapper/209:26:452
1114699130,12cyclictest0-21swapper/210:22:482
11145991310,2cyclictest0-21swapper/112:30:101
11145991310,2cyclictest0-21swapper/112:24:421
11145991310,2cyclictest0-21swapper/112:05:491
11145991310,2cyclictest0-21swapper/110:11:011
11145991310,2cyclictest0-21swapper/108:55:121
1114599130,2cyclictest27370-21diskmemload11:23:431
1114599130,2cyclictest207150irq/24-eth111:55:111
1114599130,2cyclictest0-21swapper/112:37:541
1114599130,2cyclictest0-21swapper/108:45:131
1114599130,12cyclictest0-21swapper/112:12:431
1114599130,12cyclictest0-21swapper/109:10:161
1114599130,12cyclictest0-21swapper/107:30:161
1114599130,12cyclictest0-21swapper/107:26:001
1114599130,11cyclictest27370-21diskmemload10:21:211
1114499131,10cyclictest0-21swapper/008:35:110
11144991310,2cyclictest13080-21ssh09:29:280
11144991310,2cyclictest0-21swapper/012:16:000
11144991310,2cyclictest0-21swapper/011:56:280
11144991310,2cyclictest0-21swapper/010:30:140
11144991310,2cyclictest0-21swapper/010:17:580
11144991310,2cyclictest0-21swapper/010:00:140
11144991310,2cyclictest0-21swapper/009:50:180
11144991310,2cyclictest0-21swapper/009:40:160
11144991310,2cyclictest0-21swapper/009:16:280
1114499130,2cyclictest0-21swapper/012:23:380
1114499130,2cyclictest0-21swapper/010:24:190
1114499130,2cyclictest0-21swapper/009:55:180
1114499130,2cyclictest0-21swapper/009:24:070
1114499130,2cyclictest0-21swapper/009:10:160
1114499130,12cyclictest0-21swapper/012:34:480
1114499130,12cyclictest0-21swapper/012:11:310
1114499130,12cyclictest0-21swapper/012:05:380
1114499130,11cyclictest0-21swapper/011:00:030
53132120,2sleep30-21swapper/309:20:173
221042120,2sleep30-21swapper/307:35:153
124172120,2sleep10-21swapper/110:04:001
116452120,1sleep3381ktimersoftd/308:30:123
1114799129,2cyclictest0-21swapper/312:34:403
1114799129,2cyclictest0-21swapper/310:22:413
1114799129,2cyclictest0-21swapper/309:01:023
1114799129,2cyclictest0-21swapper/307:56:553
1114799129,2cyclictest0-21swapper/307:25:143
1114799121,9cyclictest0-21swapper/311:50:123
1114799120,11cyclictest0-21swapper/312:35:153
1114799120,11cyclictest0-21swapper/309:36:033
1114799120,11cyclictest0-21swapper/309:26:203
1114799120,10cyclictest10225-21kworker/u8:211:20:043
1114799120,10cyclictest0-21swapper/311:10:433
1114799120,10cyclictest0-21swapper/309:33:003
1114699129,2cyclictest19295-21kworker/u8:209:07:042
1114699129,2cyclictest15223-21kworker/u8:108:57:052
1114699129,2cyclictest15223-21kworker/u8:108:45:052
1114699129,2cyclictest0-21swapper/211:15:542
1114699129,2cyclictest0-21swapper/209:00:142
1114699129,2cyclictest0-21swapper/207:15:142
1114699128,3cyclictest27717-21kworker/u8:008:02:042
1114699127,3cyclictest17962-21ssh12:30:542
1114699127,3cyclictest0-21swapper/210:10:122
1114699120,2cyclictest14364-21ssh12:26:472
1114699120,2cyclictest0-21swapper/211:10:022
1114699120,11cyclictest0-21swapper/209:50:242
1114699120,11cyclictest0-21swapper/209:30:512
1114699120,11cyclictest0-21swapper/208:16:002
1114699120,11cyclictest0-21swapper/208:10:132
1114599129,2cyclictest0-21swapper/111:36:221
1114599129,2cyclictest0-21swapper/110:36:261
1114599129,2cyclictest0-21swapper/109:39:101
1114599129,2cyclictest0-21swapper/109:25:161
1114599129,2cyclictest0-21swapper/108:20:161
1114599129,2cyclictest0-21swapper/108:16:031
11145991210,1cyclictest0-21swapper/109:41:041
1114599120,2cyclictest27370-21diskmemload10:48:311
1114599120,2cyclictest0-21swapper/111:05:111
1114599120,2cyclictest0-21swapper/110:32:121
1114599120,2cyclictest0-21swapper/110:05:501
1114599120,2cyclictest0-21swapper/109:31:181
1114599120,11cyclictest0-21swapper/112:25:151
1114599120,11cyclictest0-21swapper/111:28:231
1114599120,11cyclictest0-21swapper/109:56:011
1114599120,11cyclictest0-21swapper/109:46:301
1114599120,11cyclictest0-21swapper/109:15:141
1114599120,11cyclictest0-21swapper/109:01:011
1114599120,10cyclictest24546-21cut07:40:191
1114499129,2cyclictest0-21swapper/011:11:090
1114499129,2cyclictest0-21swapper/010:25:170
1114499129,2cyclictest0-21swapper/010:11:080
1114499129,2cyclictest0-21swapper/009:36:180
1114499129,2cyclictest0-21swapper/007:10:170
1114499120,2cyclictest0-21swapper/011:16:040
1114499120,2cyclictest0-21swapper/010:38:070
1114499120,11cyclictest0-21swapper/012:38:030
1114499120,11cyclictest0-21swapper/012:25:510
1114499120,11cyclictest0-21swapper/011:25:130
1114499120,11cyclictest0-21swapper/011:06:300
1114499120,11cyclictest0-21swapper/010:58:150
1114499120,11cyclictest0-21swapper/007:45:130
246212110,2sleep30-21swapper/307:41:013
205452110,1sleep00-21swapper/007:31:000
1114799118,2cyclictest19537-21apt-get08:50:093
1114799118,2cyclictest0-21swapper/312:05:333
1114799118,2cyclictest0-21swapper/312:00:103
1114799118,2cyclictest0-21swapper/307:20:173
1114799110,10cyclictest0-21swapper/310:50:173
1114699118,2cyclictest27717-21kworker/u8:008:26:042
1114699118,2cyclictest2742-21kworker/u8:108:09:042
1114699118,2cyclictest16771-21kworker/u8:007:27:032
1114699118,2cyclictest13524-21kworker/u8:107:42:042
1114599118,2cyclictest0-21swapper/111:50:121
1114599118,2cyclictest0-21swapper/111:03:131
1114599118,2cyclictest0-21swapper/110:41:531
1114599118,2cyclictest0-21swapper/109:20:151
1114599111,8cyclictest15975-21smartctl07:20:141
1114599110,2cyclictest0-21swapper/111:47:221
1114599110,2cyclictest0-21swapper/111:16:461
1114599110,2cyclictest0-21swapper/107:50:281
1114599110,10cyclictest0-21swapper/110:56:111
1114499118,2cyclictest22094-21hddtemp_smartct07:35:140
1114499118,2cyclictest0-21swapper/008:50:100
1114499118,2cyclictest0-21swapper/007:25:180
1114799107,2cyclictest0-21swapper/308:45:133
1114799107,2cyclictest0-21swapper/307:31:023
1114799105,3cyclictest1932-21ssh09:16:123
1114799105,3cyclictest13151-21turbostat07:15:013
1114799105,3cyclictest0-21swapper/307:48:403
1114799102,6cyclictest0-21swapper/308:11:023
1114799100,8cyclictest27717-21kworker/u8:008:15:043
1114699106,2cyclictest0-21swapper/207:20:112
1114699102,6cyclictest0-21swapper/208:52:592
1114599107,2cyclictest0-21swapper/108:35:001
1114599107,2cyclictest0-21swapper/108:10:161
1114599107,2cyclictest0-21swapper/107:35:121
1114599101,7cyclictest31027-21users07:56:021
1114599100,8cyclictest15604-21aten2.4_r3power08:40:121
1114599100,8cyclictest11485-21apt-get08:30:101
1114599100,8cyclictest0-21swapper/108:05:121
1114599100,8cyclictest0-21swapper/107:15:121
1114599100,8cyclictest0-21swapper/107:10:131
1114499107,2cyclictest0-21swapper/008:12:580
1114499103,6cyclictest0-21swapper/008:04:070
1114499103,4cyclictest0-21swapper/007:20:040
25575290,2sleep30-21swapper/309:05:103
111479994,3cyclictest31889-21aten2.4_r3power08:00:113
111479990,2cyclictest0-21swapper/308:41:043
111449996,2cyclictest0-21swapper/008:40:140
111449990,8cyclictest0-21swapper/008:06:000
111449990,2cyclictest0-21swapper/009:01:380
111469983,3cyclictest29872-21sh07:55:122
111449985,2cyclictest0-21swapper/007:19:550
111449983,4cyclictest0-21swapper/008:15:040
111449983,2cyclictest0-21swapper/008:27:040
111449983,2cyclictest0-21swapper/008:20:040
111449973,3cyclictest27799-21tr07:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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