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2026-07-12 - 16:50

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 Sun Jul 12, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19458211692,19sleep00-21swapper/007:06:110
18914211289,16sleep20-21swapper/207:05:212
19019211099,6sleep10-21swapper/107:05:441
19662210790,11sleep30-21swapper/307:08:503
175732680,1sleep00-21swapper/009:56:590
43212530,1sleep04327-21cpuspeed_turbos07:50:140
19782993615,19cyclictest0-21swapper/109:40:121
193192310,1sleep019321-21grep11:40:170
60502250,1sleep30-21swapper/310:52:513
1978299250,23cyclictest0-21swapper/110:30:031
19784992216,4cyclictest672-21rm10:14:023
1978399220,20cyclictest0-21swapper/208:55:122
19784992116,3cyclictest14018-21kworker/u8:011:21:043
1978299211,18cyclictest0-21swapper/111:15:131
19784991916,2cyclictest3331-21kworker/u8:209:48:063
1978499190,17cyclictest0-21swapper/310:30:023
1978399190,18cyclictest0-21swapper/211:05:122
1978399190,17cyclictest0-21swapper/208:30:112
19781991916,2cyclictest0-21swapper/007:10:120
19781991915,2cyclictest0-21swapper/010:10:110
19784991815,2cyclictest4004-21kworker/u8:109:20:053
19784991815,2cyclictest14192-21kworker/u8:112:21:043
19784991815,2cyclictest14018-21kworker/u8:011:35:043
1978499181,15cyclictest0-21swapper/311:25:173
1978199180,16cyclictest0-21swapper/010:30:010
212612170,1sleep00-21swapper/010:00:520
1978499173,2cyclictest3349-21grep07:46:033
19784991714,2cyclictest4004-21kworker/u8:109:40:053
19784991714,2cyclictest32195-21kworker/u8:212:28:043
1978299177,7cyclictest0-21swapper/111:31:591
19782991712,3cyclictest0-21swapper/107:20:001
1978199170,15cyclictest0-21swapper/010:30:000
1978199170,15cyclictest0-21swapper/008:55:120
1978499161,3cyclictest26543-21users10:06:043
19784991613,2cyclictest31856-21kworker/u8:110:47:043
19784991612,2cyclictest0-21swapper/311:30:463
19784991611,3cyclictest0-21swapper/309:10:153
1978399166,6cyclictest0-21swapper/207:35:112
1978399160,12cyclictest0-21swapper/210:21:042
19781991613,2cyclictest14018-21kworker/u8:011:32:060
1978199161,13cyclictest14175-21ssh09:54:090
1978199161,13cyclictest0-21swapper/012:10:070
220032151,3sleep30-21swapper/307:15:113
19784991512,2cyclictest17384-21kworker/u8:111:41:053
1978499151,12cyclictest8078-21ssh10:20:583
1978499151,12cyclictest16561-21ssh09:55:593
1978499150,3cyclictest0-21swapper/309:50:203
1978499150,13cyclictest9611-21apt-get12:05:073
1978499150,13cyclictest0-21swapper/309:39:473
1978399150,13cyclictest6430-21ssh11:26:412
1978299150,13cyclictest3979-21apt-get11:25:101
1978199151,2cyclictest3348-21unixbench_singl07:46:020
19781991512,2cyclictest27005-21kworker/u8:010:50:040
19781991510,3cyclictest0-21swapper/009:05:160
1978199150,2cyclictest0-21swapper/009:14:010
1978199150,13cyclictest0-21swapper/012:39:000
1978199150,13cyclictest0-21swapper/012:25:590
1978199150,13cyclictest0-21swapper/007:35:150
1978199150,10cyclictest0-21swapper/012:05:040
105742150,0sleep20-21swapper/208:05:132
1978499149,3cyclictest12282-21aten2.4_r3power08:10:143
19784991411,2cyclictest4004-21kworker/u8:109:34:053
19784991411,2cyclictest3331-21kworker/u8:210:01:053
19784991411,2cyclictest28941-21kworker/u8:010:27:053
19784991411,2cyclictest18229-21kworker/u8:209:28:053
19784991411,2cyclictest14192-21kworker/u8:112:30:053
19784991411,2cyclictest14192-21kworker/u8:112:16:053
19784991411,2cyclictest0-21swapper/309:16:563
19784991410,2cyclictest6855-21ssh12:35:153
19784991410,2cyclictest0-21swapper/307:20:133
1978499140,2cyclictest32159-21copy07:40:043
1978499140,13cyclictest0-21swapper/311:11:363
1978499140,12cyclictest32196-21sed09:00:013
1978499140,12cyclictest0-21swapper/312:04:383
1978499140,10cyclictest0-21swapper/311:47:043
1978399149,3cyclictest30778-21rm10:10:542
1978399141,2cyclictest3821-21ssh10:16:212
19783991411,2cyclictest3728-21runrttasks09:24:512
19783991411,2cyclictest0-21swapper/211:20:582
19783991411,2cyclictest0-21swapper/210:36:112
19783991410,2cyclictest0-21swapper/211:01:022
1978399140,2cyclictest0-21swapper/210:02:022
1978399140,12cyclictest5879-21ssh12:00:162
1978399140,12cyclictest22817-21apt-get11:45:042
1978399140,12cyclictest0-21swapper/210:07:522
1978399140,12cyclictest0-21swapper/209:49:322
1978399140,12cyclictest0-21swapper/208:10:162
1978299146,7cyclictest0-21swapper/112:16:011
1978299140,3cyclictest3962-21ssh10:16:351
1978299140,2cyclictest0-21swapper/111:03:321
1978299140,13cyclictest0-21swapper/111:50:111
1978299140,12cyclictest21241-21df10:35:131
1978299140,12cyclictest207150irq/24-eth110:08:351
1978299140,12cyclictest0-21swapper/111:20:401
1978299140,12cyclictest0-21swapper/110:20:131
1978199149,3cyclictest5904-21sh10:19:310
1978199149,1cyclictest0-21swapper/008:21:040
19781991411,2cyclictest0-21swapper/010:20:280
1978199141,11cyclictest0-21swapper/011:05:090
1978199140,9cyclictest0-21swapper/011:04:040
1978199140,2cyclictest0-21swapper/009:45:100
1978199140,12cyclictest0-21swapper/009:25:190
173922140,2sleep00-21swapper/011:39:020
77012130,2sleep00-21swapper/010:55:090
270222130,2sleep20-21swapper/212:22:262
19784991310,2cyclictest8268-21kworker/u8:108:04:023
19784991310,2cyclictest3709-21diskmemload11:01:083
19784991310,2cyclictest30161-21kworker/u8:008:15:053
19784991310,2cyclictest24864-21kworker/u8:211:15:053
19784991310,2cyclictest0-21swapper/310:35:183
1978499130,8cyclictest0-21swapper/310:40:013
1978499130,2cyclictest0-21swapper/308:45:003
19783991310,2cyclictest0-21swapper/212:25:282
19783991310,2cyclictest0-21swapper/212:13:332
19783991310,2cyclictest0-21swapper/212:05:092
19783991310,2cyclictest0-21swapper/211:41:522
19783991310,2cyclictest0-21swapper/210:42:222
19783991310,2cyclictest0-21swapper/209:57:122
19783991310,2cyclictest0-21swapper/209:50:172
19783991310,2cyclictest0-21swapper/209:01:032
1978399130,2cyclictest7654-21ssh10:55:022
1978399130,2cyclictest3943-21sh09:10:022
1978399130,2cyclictest0-21swapper/212:33:022
1978399130,2cyclictest0-21swapper/209:27:222
1978399130,2cyclictest0-21swapper/207:15:172
1978399130,12cyclictest24509-21ssh11:11:482
1978399130,12cyclictest0-21swapper/212:15:512
1978399130,12cyclictest0-21swapper/211:33:022
1978399130,12cyclictest0-21swapper/210:50:212
1978399130,12cyclictest0-21swapper/210:30:112
1978399130,12cyclictest0-21swapper/208:35:162
1978399130,12cyclictest0-21swapper/207:20:162
1978399130,11cyclictest1005-21fschecks_count09:40:142
1978299139,2cyclictest17514-21sed08:21:021
1978299137,5cyclictest0-21swapper/110:04:561
1978299131,3cyclictest3492-21cupsd11:45:041
19782991310,2cyclictest3709-21diskmemload11:06:241
19782991310,2cyclictest0-21swapper/112:34:051
19782991310,2cyclictest0-21swapper/112:02:551
19782991310,2cyclictest0-21swapper/111:35:181
19782991310,2cyclictest0-21swapper/110:52:011
19782991310,2cyclictest0-21swapper/110:43:411
19782991310,2cyclictest0-21swapper/109:24:541
19782991310,2cyclictest0-21swapper/109:11:441
19782991310,2cyclictest0-21swapper/108:25:151
19782991310,2cyclictest0-21swapper/108:25:151
19782991310,2cyclictest0-21swapper/107:36:031
1978299130,2cyclictest0-21swapper/111:55:171
1978299130,2cyclictest0-21swapper/111:10:051
1978299130,2cyclictest0-21swapper/109:55:021
1978299130,2cyclictest0-21swapper/109:32:351
1978299130,12cyclictest3709-21diskmemload11:40:351
1978299130,12cyclictest0-21swapper/112:11:021
1978299130,12cyclictest0-21swapper/110:11:551
1978299130,12cyclictest0-21swapper/109:51:521
1978199138,3cyclictest0-21swapper/011:50:560
1978199132,2cyclictest11-21rcuc/010:46:010
19781991310,2cyclictest9162-21kworker/u8:311:12:040
19781991310,2cyclictest3709-21diskmemload10:40:400
19781991310,2cyclictest31152-21kworker/u8:107:30:040
19781991310,2cyclictest20157-21kworker/u8:207:18:050
19781991310,2cyclictest0-21swapper/012:15:100
19781991310,2cyclictest0-21swapper/010:05:200
1978199130,2cyclictest26045-21apt-get07:25:110
1978199130,2cyclictest0-21swapper/012:20:300
1978199130,2cyclictest0-21swapper/010:36:030
1978199130,11cyclictest0-21swapper/009:42:100
1978499129,2cyclictest8268-21kworker/u8:108:38:053
1978499129,2cyclictest31152-21kworker/u8:107:12:053
1978499129,2cyclictest26357-21kworker/u8:209:06:043
1978499129,2cyclictest26357-21kworker/u8:209:04:043
1978499129,2cyclictest16227-21kworker/u8:208:25:053
1978499129,2cyclictest16227-21kworker/u8:208:25:043
1978499129,2cyclictest0-21swapper/311:50:083
1978499129,2cyclictest0-21swapper/311:06:403
1978499122,7cyclictest0-21swapper/311:57:583
1978499120,7cyclictest0-21swapper/307:25:053
1978499120,2cyclictest2041-21ssh10:15:143
1978499120,11cyclictest0-21swapper/312:10:213
1978499120,11cyclictest0-21swapper/307:35:193
1978399129,2cyclictest0-21swapper/211:50:172
1978399129,2cyclictest0-21swapper/211:15:082
1978399129,2cyclictest0-21swapper/208:40:112
1978399120,11cyclictest0-21swapper/212:37:202
1978399120,11cyclictest0-21swapper/211:55:132
1978399120,11cyclictest0-21swapper/211:36:002
1978399120,11cyclictest0-21swapper/210:45:402
1978399120,11cyclictest0-21swapper/210:28:242
1978399120,11cyclictest0-21swapper/209:36:042
1978399120,11cyclictest0-21swapper/209:31:372
1978399120,11cyclictest0-21swapper/209:15:402
1978299129,2cyclictest0-21swapper/112:36:421
1978299129,2cyclictest0-21swapper/112:20:141
1978299129,2cyclictest0-21swapper/112:05:131
1978299129,2cyclictest0-21swapper/109:27:541
1978299129,2cyclictest0-21swapper/109:05:111
1978299129,2cyclictest0-21swapper/108:31:031
1978299129,2cyclictest0-21swapper/107:20:111
1978299129,2cyclictest0-21swapper/107:10:201
1978299121,3cyclictest959-21kworker/1:208:05:131
1978299121,3cyclictest0-21swapper/110:25:171
1978299120,2cyclictest0-21swapper/109:46:101
1978299120,2cyclictest0-21swapper/107:30:291
1978299120,2cyclictest0-21swapper/107:25:111
1978299120,11cyclictest0-21swapper/112:25:021
1978299120,11cyclictest0-21swapper/110:55:221
1978299120,11cyclictest0-21swapper/110:45:351
1978299120,11cyclictest0-21swapper/109:37:161
1978299120,10cyclictest0-21swapper/108:16:031
1978199129,2cyclictest30161-21kworker/u8:008:12:040
1978199129,2cyclictest21842-21kworker/u8:008:42:040
1978199129,2cyclictest0-21swapper/011:15:170
1978199122,7cyclictest0-21swapper/009:04:590
1978199122,6cyclictest0-21swapper/007:56:010
19781991210,1cyclictest0-21swapper/012:02:130
1978199120,2cyclictest0-21swapper/012:33:330
1978199120,2cyclictest0-21swapper/009:38:420
1978199120,2cyclictest0-21swapper/007:40:050
1978199120,11cyclictest13828-21ssh09:20:090
1978199120,11cyclictest0-21swapper/011:56:010
1978199120,11cyclictest0-21swapper/011:47:200
1978199120,11cyclictest0-21swapper/009:34:400
1978199120,11cyclictest0-21swapper/008:50:190
115122120,2sleep10-21swapper/109:16:571
1978499118,2cyclictest8268-21kworker/u8:108:54:013
1978499118,2cyclictest1923-21kworker/u8:207:57:043
1978499118,2cyclictest0-21swapper/310:55:073
1978399118,2cyclictest32159-21copy07:40:052
1978399118,2cyclictest0-21swapper/208:45:302
1978399118,2cyclictest0-21swapper/207:30:192
1978399116,3cyclictest21417-21unixbench_singl07:11:052
1978399112,7cyclictest0-21swapper/207:57:582
1978399112,6cyclictest0-21swapper/207:27:022
1978299118,2cyclictest0-21swapper/107:55:121
1978299118,2cyclictest0-21swapper/107:43:331
1978299112,6cyclictest0-21swapper/108:03:591
1978299111,8cyclictest28266-21munin-node1
1978299111,8cyclictest24773-21perl08:40:131
1978299111,3cyclictest30276-21munin-node1
1978299110,9cyclictest1799-21latency_hist09:05:011
1978299110,3cyclictest0-21swapper/107:50:141
1978199119,1cyclictest0-21swapper/008:30:400
1978199118,2cyclictest8268-21kworker/u8:108:16:050
1978199118,2cyclictest3709-21diskmemload11:27:070
1978199118,2cyclictest31152-21kworker/u8:107:23:040
1978199118,2cyclictest0-21swapper/009:17:230
1978199118,2cyclictest0-21swapper/008:35:130
1978199110,2cyclictest0-21swapper/011:20:490
46542100,1sleep20-21swapper/207:50:172
1978499105,3cyclictest10393-21grep08:05:123
1978499102,5cyclictest0-21swapper/308:33:023
1978499101,5cyclictest0-21swapper/308:20:543
1978399103,6cyclictest0-21swapper/207:46:062
1978399102,7cyclictest0-21swapper/208:21:012
1978399102,7cyclictest0-21swapper/208:02:592
1978399102,6cyclictest4562-21gdm-simple-gree08:26:592
1978399102,6cyclictest4562-21gdm-simple-gree08:26:582
1978399102,6cyclictest0-21swapper/209:08:522
1978399100,8cyclictest8268-21kworker/u8:108:51:042
1978399100,6cyclictest0-21swapper/208:16:012
1978299107,2cyclictest26260-21apt-get08:45:111
1978299101,7cyclictest12426-21tr08:10:141
1978299100,2cyclictest0-21swapper/108:35:111
1978299100,2cyclictest0-21swapper/107:46:001
1978199107,2cyclictest30161-21kworker/u8:008:08:050
1978199102,7cyclictest0-21swapper/008:28:590
1978199102,7cyclictest0-21swapper/008:28:580
1978199101,6cyclictest0-21swapper/008:48:480
197849994,3cyclictest5865-21latency_hist07:55:013
197849994,3cyclictest28330-21cpuspeed_turbos07:30:133
197849994,3cyclictest26874-21if_err_eth008:45:163
197819983,3cyclictest8167-21aten2.4-expect08:00:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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