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2026-08-11 - 00:32

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 Mon Aug 10, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
318152115104,6sleep00-21swapper/007:07:420
31879211293,13sleep20-21swapper/207:08:322
2893521120,0sleep00-21swapper/011:00:120
31898210285,12sleep10-21swapper/107:08:471
3177129983,11sleep30-21swapper/307:07:093
241152830,0sleep20-21swapper/210:22:102
313852820,0sleep30-21swapper/309:25:113
63772710,1sleep00-21swapper/011:10:100
170852260,1sleep30-21swapper/311:53:113
292132220,1sleep00-21swapper/012:37:520
292132220,1sleep00-21swapper/012:37:520
3202299211,18cyclictest0-21swapper/107:30:101
32021992118,2cyclictest7458-21kworker/u8:210:43:050
32023992017,2cyclictest22552-21kworker/u8:212:32:042
3202299200,18cyclictest0-21swapper/111:55:131
32023991916,2cyclictest22881-21kworker/u8:210:30:052
32021991916,2cyclictest5392-21kworker/u8:009:46:040
32022991813,3cyclictest26381-21ssh09:20:111
3202199180,2cyclictest16081-21diskmemload10:30:050
32024991712,3cyclictest21234-21ssh11:25:123
32021991714,2cyclictest9065-21kworker/u8:211:17:040
32021991714,2cyclictest29874-21kworker/u8:211:38:040
32021991714,2cyclictest26405-21kworker/u8:012:03:040
32021991714,2cyclictest21228-21kworker/u8:111:41:040
32021991714,2cyclictest14029-21kworker/u8:010:50:040
3202199170,2cyclictest0-21swapper/012:32:050
3202199170,15cyclictest0-21swapper/010:11:040
32023991613,2cyclictest9508-21kworker/u8:110:11:042
3202299162,12cyclictest30761-21df_abs08:25:121
3202299160,14cyclictest0-21swapper/110:22:411
32021991613,2cyclictest5582-21kworker/u8:212:19:040
236292160,0sleep30-21swapper/309:50:003
32024991511,2cyclictest12280-21munin-node3
3202499150,3cyclictest0-21swapper/310:55:123
3202399152,2cyclictest13664-21sed09:01:042
32023991512,2cyclictest32123-21kworker/u8:112:24:052
32023991512,2cyclictest23889-21kworker/u8:109:55:042
3202299152,7cyclictest0-21swapper/112:25:001
3202299151,12cyclictest703-21apt-get12:10:061
32022991511,2cyclictest207150irq/24-eth109:30:121
3202299150,2cyclictest0-21swapper/110:35:121
3202299150,13cyclictest0-21swapper/111:40:151
32021991512,2cyclictest9065-21kworker/u8:211:26:040
32021991512,2cyclictest7946-21kworker/u8:108:49:040
3202499149,3cyclictest6008-21aten2.4_r3power07:25:133
32024991411,2cyclictest3917-21ssh09:30:123
3202499140,3cyclictest17374-21popularity-cont07:51:093
3202499140,2cyclictest0-21swapper/310:03:193
3202499140,12cyclictest6126-21apt-get10:05:063
3202499140,12cyclictest0-21swapper/311:32:493
3202399141,2cyclictest23007-21timerandwakeup11:26:022
32023991411,2cyclictest8343-21kworker/u8:011:46:042
32023991411,2cyclictest0-21swapper/209:42:322
3202399140,2cyclictest30445-21apt-get08:25:122
3202399140,2cyclictest0-21swapper/211:40:522
3202399140,2cyclictest0-21swapper/209:54:422
3202399140,2cyclictest0-21swapper/207:51:322
3202399140,12cyclictest3949-21kworker/u8:011:10:022
3202399140,12cyclictest24655-21missed_timers10:55:162
3202399140,12cyclictest19024-21ssh12:27:262
3202399140,12cyclictest0-21swapper/211:01:152
3202399140,12cyclictest0-21swapper/210:43:042
3202299142,7cyclictest0-21swapper/108:22:581
3202299142,6cyclictest0-21swapper/108:40:011
3202299140,13cyclictest0-21swapper/112:02:321
3202299140,12cyclictest24545-21if_eth009:50:161
3202299140,12cyclictest0-21swapper/111:55:001
32021991411,2cyclictest4431-21kworker/u8:010:07:040
32021991411,2cyclictest23889-21kworker/u8:110:01:040
32021991411,2cyclictest21228-21kworker/u8:111:59:040
32021991411,2cyclictest14446-21kworker/u8:009:18:010
32021991411,2cyclictest14148-21kworker/u8:008:38:040
3202199141,11cyclictest28453-21ssh12:05:040
32021991410,3cyclictest6950-21kworker/u8:207:21:040
3202199140,2cyclictest0-21swapper/012:24:050
3202199140,12cyclictest0-21swapper/010:35:130
3202199140,12cyclictest0-21swapper/009:30:040
303902140,2sleep10-21swapper/111:34:251
154142140,3sleep015423-21ssh09:40:530
142892140,2sleep00-21swapper/011:50:150
94082130,2sleep00-21swapper/008:51:030
5972130,2sleep00-21swapper/009:59:280
3202499132,8cyclictest0-21swapper/308:51:593
32024991310,2cyclictest16081-21diskmemload11:35:153
32024991310,2cyclictest0-21swapper/311:10:113
32024991310,2cyclictest0-21swapper/310:35:413
32024991310,2cyclictest0-21swapper/310:33:473
32024991310,2cyclictest0-21swapper/309:36:203
3202499130,2cyclictest0-21swapper/312:27:093
3202499130,2cyclictest0-21swapper/311:47:463
3202499130,2cyclictest0-21swapper/311:20:193
3202499130,2cyclictest0-21swapper/310:10:183
3202499130,2cyclictest0-21swapper/309:13:203
3202499130,12cyclictest0-21swapper/311:56:493
3202499130,12cyclictest0-21swapper/310:49:093
3202499130,12cyclictest0-21swapper/309:50:123
3202499130,12cyclictest0-21swapper/309:16:493
32023991310,2cyclictest24273-21kworker/u8:209:30:042
32023991310,2cyclictest14029-21kworker/u8:010:46:042
32023991310,2cyclictest0-21swapper/212:11:122
32023991310,2cyclictest0-21swapper/212:00:282
32023991310,2cyclictest0-21swapper/211:38:522
32023991310,2cyclictest0-21swapper/211:30:472
32023991310,2cyclictest0-21swapper/211:17:502
32023991310,2cyclictest0-21swapper/211:07:472
32023991310,2cyclictest0-21swapper/210:37:162
32023991310,2cyclictest0-21swapper/210:25:082
32023991310,2cyclictest0-21swapper/210:17:322
32023991310,2cyclictest0-21swapper/209:45:082
32023991310,2cyclictest0-21swapper/208:00:162
3202399130,2cyclictest0-21swapper/212:35:022
3202399130,2cyclictest0-21swapper/212:35:012
3202399130,2cyclictest0-21swapper/211:55:552
3202399130,2cyclictest0-21swapper/210:50:202
3202399130,2cyclictest0-21swapper/209:35:132
3202399130,2cyclictest0-21swapper/209:25:382
3202399130,2cyclictest0-21swapper/209:14:362
3202399130,12cyclictest26123-21copy09:20:022
3202399130,12cyclictest0-21swapper/211:53:342
3202399130,12cyclictest0-21swapper/211:20:202
3202399130,12cyclictest0-21swapper/210:05:232
3202399130,12cyclictest0-21swapper/210:00:032
3202399130,12cyclictest0-21swapper/209:15:022
3202299138,3cyclictest31403-21expr11:35:151
3202299138,3cyclictest11322-21ssh11:15:121
3202299138,3cyclictest0-21swapper/112:32:131
3202299138,3cyclictest0-21swapper/108:55:171
3202299132,6cyclictest0-21swapper/111:30:001
3202299132,6cyclictest0-21swapper/107:15:001
3202299131,3cyclictest0-21swapper/108:06:021
32022991310,2cyclictest16081-21diskmemload10:25:121
32022991310,2cyclictest0-21swapper/110:52:521
32022991310,2cyclictest0-21swapper/110:49:311
32022991310,2cyclictest0-21swapper/109:58:571
32022991310,2cyclictest0-21swapper/109:28:321
3202299130,2cyclictest0-21swapper/112:25:021
3202299130,2cyclictest0-21swapper/111:07:421
3202299130,12cyclictest0-21swapper/111:20:131
3202299130,11cyclictest0-21swapper/110:40:191
3202299130,11cyclictest0-21swapper/109:05:111
3202299130,11cyclictest0-21swapper/109:05:101
32021991310,2cyclictest9065-21kworker/u8:211:24:040
32021991310,2cyclictest7946-21kworker/u8:109:02:040
32021991310,2cyclictest0-21swapper/012:25:000
32021991310,2cyclictest0-21swapper/009:53:110
3202199130,2cyclictest0-21swapper/010:45:140
3202199130,12cyclictest2617-21ssh12:11:000
3202199130,12cyclictest0-21swapper/011:33:310
3202199130,12cyclictest0-21swapper/009:10:150
3202199130,12cyclictest0-21swapper/007:51:090
3202199130,12cyclictest0-21swapper/007:35:000
3202199130,12cyclictest0-21swapper/007:10:100
248892130,2sleep00-21swapper/010:23:210
62912120,2sleep30-21swapper/311:41:493
3202499129,2cyclictest0-21swapper/312:30:503
3202499129,2cyclictest0-21swapper/312:22:553
3202499129,2cyclictest0-21swapper/310:50:203
3202499129,2cyclictest0-21swapper/310:43:393
3202499129,2cyclictest0-21swapper/307:45:093
3202499127,3cyclictest26157-21latency_hist08:15:003
3202499122,7cyclictest0-21swapper/307:37:593
3202499120,2cyclictest0-21swapper/312:35:133
3202499120,2cyclictest0-21swapper/312:35:123
3202499120,2cyclictest0-21swapper/312:18:313
3202499120,2cyclictest0-21swapper/312:12:413
3202499120,2cyclictest0-21swapper/311:05:173
3202499120,2cyclictest0-21swapper/309:55:273
3202499120,2cyclictest0-21swapper/309:20:123
3202499120,2cyclictest0-21swapper/308:45:183
3202499120,11cyclictest0-21swapper/312:05:393
3202499120,11cyclictest0-21swapper/312:00:103
3202499120,11cyclictest0-21swapper/311:15:393
3202499120,11cyclictest0-21swapper/310:27:043
3202499120,11cyclictest0-21swapper/310:20:133
3202499120,11cyclictest0-21swapper/310:15:063
3202499120,11cyclictest0-21swapper/308:55:223
3202499120,11cyclictest0-21swapper/307:55:383
3202499120,11cyclictest0-21swapper/307:16:023
3202499120,10cyclictest0-21swapper/309:41:533
3202399129,2cyclictest0-21swapper/208:06:022
3202399120,2cyclictest0-21swapper/212:05:202
3202399120,11cyclictest0-21swapper/212:15:232
3202399120,11cyclictest0-21swapper/208:50:172
3202399120,11cyclictest0-21swapper/208:10:142
3202399120,11cyclictest0-21swapper/207:25:202
3202399120,11cyclictest0-21swapper/207:20:122
3202299129,2cyclictest0-21swapper/112:35:021
3202299129,2cyclictest0-21swapper/112:35:021
3202299129,2cyclictest0-21swapper/110:33:201
3202299129,2cyclictest0-21swapper/109:15:211
3202299127,3cyclictest0-21swapper/109:00:141
3202299127,3cyclictest0-21swapper/107:45:151
3202299121,9cyclictest6272-21sh12:15:101
3202299121,9cyclictest16081-21diskmemload10:55:171
3202299121,9cyclictest0-21swapper/111:01:031
3202299121,6cyclictest0-21swapper/108:30:001
3202299121,3cyclictest6483-21munin-node1
3202299121,3cyclictest0-21swapper/111:10:151
3202299121,3cyclictest0-21swapper/109:10:171
3202299121,3cyclictest0-21swapper/108:50:161
3202299121,3cyclictest0-21swapper/108:45:171
3202299121,3cyclictest0-21swapper/107:55:151
3202299121,3cyclictest0-21swapper/107:50:141
3202299120,2cyclictest0-21swapper/110:16:011
3202299120,2cyclictest0-21swapper/110:11:111
3202299120,2cyclictest0-21swapper/109:35:411
3202299120,11cyclictest4349-21ssh10:02:221
3202299120,11cyclictest0-21swapper/112:08:331
3202299120,11cyclictest0-21swapper/109:40:161
3202299120,10cyclictest6950-21kworker/u8:207:15:041
3202199129,2cyclictest9104-21kworker/u8:207:31:040
3202199129,2cyclictest4122-21kworker/u8:208:44:050
3202199129,2cyclictest29983-21kworker/u8:108:26:050
3202199129,2cyclictest21859-21kworker/u8:108:05:050
3202199129,2cyclictest14446-21kworker/u8:009:06:050
3202199129,2cyclictest14446-21kworker/u8:009:06:040
3202199129,2cyclictest0-21swapper/010:55:170
3202199129,2cyclictest0-21swapper/009:39:470
3202199129,2cyclictest0-21swapper/009:28:310
3202199121,9cyclictest12054-21munin-run09:00:000
3202199120,2cyclictest0-21swapper/011:47:410
3202199120,11cyclictest0-21swapper/011:07:390
3202199120,11cyclictest0-21swapper/010:25:170
3202199120,11cyclictest0-21swapper/009:21:120
3202499118,2cyclictest0-21swapper/308:40:183
3202499118,2cyclictest0-21swapper/308:00:153
3202499112,6cyclictest0-21swapper/309:06:003
3202499112,6cyclictest0-21swapper/309:06:003
3202499112,6cyclictest0-21swapper/308:31:023
3202499110,2cyclictest0-21swapper/311:00:083
3202399119,1cyclictest0-21swapper/207:15:132
3202399110,2cyclictest0-21swapper/207:13:222
3202399110,10cyclictest0-21swapper/208:43:262
3202399110,10cyclictest0-21swapper/208:34:152
3202299118,2cyclictest0-21swapper/111:46:141
3202299118,2cyclictest0-21swapper/108:04:021
3202299112,7cyclictest0-21swapper/107:35:011
3202299111,8cyclictest0-21swapper/108:15:151
3202299110,9cyclictest0-21swapper/108:10:191
3202299110,3cyclictest0-21swapper/107:20:141
3202299110,10cyclictest0-21swapper/109:45:251
3202199118,2cyclictest0-21swapper/008:15:130
3202199110,1cyclictest0-21swapper/008:20:040
3202199110,10cyclictest0-21swapper/010:17:440
3202199110,10cyclictest0-21swapper/007:55:090
3202499107,2cyclictest0-21swapper/308:23:163
3202499107,2cyclictest0-21swapper/307:13:103
3202499106,2cyclictest2881-21munin-node3
3202499102,5cyclictest4556-21metacity07:31:583
3202499101,6cyclictest3728-21runrttasks08:09:583
3202399107,2cyclictest0-21swapper/208:15:192
3202399100,9cyclictest9104-21kworker/u8:207:41:042
3202399100,9cyclictest0-21swapper/207:33:092
3202299107,2cyclictest0-21swapper/108:35:011
3202299105,2cyclictest0-21swapper/107:25:051
3202299100,8cyclictest0-21swapper/107:40:111
3202199104,4cyclictest24638-21grep08:10:130
15722100,2sleep00-21swapper/008:32:280
320249996,2cyclictest0-21swapper/307:40:183
320249994,3cyclictest30700-21cpuspeed_turbos08:25:133
320249992,5cyclictest0-21swapper/307:21:013
320239996,2cyclictest0-21swapper/208:45:052
320239996,2cyclictest0-21swapper/208:39:592
320239996,2cyclictest0-21swapper/207:55:152
320219996,2cyclictest19380-21kworker/u8:208:01:040
320219996,2cyclictest0-21swapper/007:43:300
320219994,3cyclictest0-21swapper/007:25:140
320249985,2cyclictest0-21swapper/308:15:123
320239985,2cyclictest28561-21telnet08:20:122
320239985,2cyclictest14294-21basename09:05:102
320239985,2cyclictest14294-21basename09:05:102
320239985,2cyclictest0-21swapper/207:47:182
320239985,2cyclictest0-21swapper/207:36:062
320219983,3cyclictest1845-21aten2.4-expect07:15:120
320219983,3cyclictest14167-21aten2.4_r3power07:45:090
320239970,6cyclictest0-21swapper/208:56:312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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