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2026-04-06 - 19:04

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 Mon Apr 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10137211996,15sleep30-21swapper/307:05:193
10787211794,18sleep00-21swapper/007:06:320
10958211698,13sleep20-21swapper/207:08:452
10803210280,17sleep10-21swapper/107:06:441
78412840,0sleep00-21swapper/009:22:450
216332830,0sleep20-21swapper/208:55:142
39952710,0sleep30-21swapper/312:06:333
189592710,0sleep00-21swapper/012:22:130
151492710,1sleep337-21rcuc/308:40:013
233492690,0sleep30-21swapper/311:53:463
71092670,1sleep1221ktimersoftd/111:03:071
1109099250,23cyclictest0-21swapper/308:15:023
11084992317,2cyclictest0-21swapper/009:45:120
1108499210,19cyclictest0-21swapper/009:25:110
294352200,1sleep10-21swapper/109:11:041
1108799200,18cyclictest0-21swapper/110:50:121
1108799190,2cyclictest0-21swapper/111:34:041
1108799190,18cyclictest0-21swapper/108:15:011
11089991815,2cyclictest1978-21kworker/u8:110:34:052
11089991714,2cyclictest21975-21kworker/u8:011:54:052
1108999171,13cyclictest0-21swapper/210:25:122
1108999170,16cyclictest0-21swapper/209:47:052
11087991714,2cyclictest1323-21kworker/u8:010:07:051
11087991713,2cyclictest29837-21kworker/u8:211:06:041
1108999161,3cyclictest0-21swapper/209:56:042
11089991613,2cyclictest828-21kworker/u8:212:19:052
11089991613,2cyclictest1323-21kworker/u8:010:06:052
1108999161,2cyclictest18575-21kworker/2:211:34:052
11089991612,2cyclictest0-21swapper/207:55:012
1108799161,3cyclictest0-21swapper/109:50:241
11087991613,2cyclictest2355-21kworker/u8:309:22:061
11087991612,2cyclictest221ktimersoftd/112:05:111
1108799161,13cyclictest12073-21hddtemp_smartct12:15:161
11087991611,3cyclictest0-21swapper/111:45:151
1109099150,2cyclictest0-21swapper/312:21:033
1108999151,3cyclictest24269-21rm10:13:372
11089991512,2cyclictest29837-21kworker/u8:211:00:062
11089991512,2cyclictest21560-21ssh12:25:152
1108999150,14cyclictest0-21swapper/207:30:152
1108999150,14cyclictest0-21swapper/207:30:142
1108999150,13cyclictest18911-21ssh12:22:092
1108999150,11cyclictest0-21swapper/212:36:052
1108799151,3cyclictest31373-21iostat_ios12:35:171
11087991510,3cyclictest20710-21ssh12:24:571
1108799150,2cyclictest0-21swapper/109:35:181
11084991510,3cyclictest0-21swapper/007:20:010
1108499150,13cyclictest0-21swapper/012:10:180
319482140,10sleep031961-21sh10:21:100
15392140,1sleep00-21swapper/012:05:040
11090991411,2cyclictest0-21swapper/310:47:533
11090991411,2cyclictest0-21swapper/309:30:233
11090991410,3cyclictest27416-21ssh10:16:363
1109099140,13cyclictest0-21swapper/312:11:233
1109099140,13cyclictest0-21swapper/310:11:033
1109099140,13cyclictest0-21swapper/309:56:033
1109099140,12cyclictest17329-21aten2.4-expect08:45:113
1109099140,12cyclictest0-21swapper/310:58:413
1108999142,6cyclictest0-21swapper/210:45:012
11089991411,2cyclictest21975-21kworker/u8:012:02:022
11089991411,2cyclictest0-21swapper/209:21:352
1108999141,11cyclictest28547-21ssh09:10:192
1108999140,3cyclictest5337-21ssh09:54:062
1108999140,3cyclictest11466-21ssh11:40:492
1108999140,2cyclictest0-21swapper/211:37:452
1108999140,2cyclictest0-21swapper/210:44:452
1108999140,2cyclictest0-21swapper/210:01:142
1108999140,12cyclictest0-21swapper/211:17:112
1108999140,12cyclictest0-21swapper/210:54:142
1108999140,12cyclictest0-21swapper/209:16:362
1108799149,3cyclictest0-21swapper/107:25:161
1108799141,11cyclictest0-21swapper/112:27:111
1108799140,3cyclictest10690-21if_eth011:40:131
1108799140,2cyclictest22647-21popularity-cont07:35:321
1108799140,2cyclictest22647-21popularity-cont07:35:321
1108799140,2cyclictest0-21swapper/109:31:081
1108499149,3cyclictest27140-21diskmemload12:04:130
1108499140,2cyclictest0-21swapper/011:59:040
1108499140,12cyclictest18903-21ssh09:35:000
1108499140,12cyclictest0-21swapper/012:32:100
1108499140,12cyclictest0-21swapper/011:14:540
126592131,8sleep312760-21iostat_ios10:35:163
114642130,2sleep30-21swapper/312:15:123
1109099138,3cyclictest29582-21ssh09:11:173
1109099131,10cyclictest0-21swapper/311:24:073
11090991310,2cyclictest0-21swapper/310:20:153
11090991310,2cyclictest0-21swapper/309:21:333
11090991310,2cyclictest0-21swapper/308:10:143
1109099130,2cyclictest0-21swapper/312:00:133
1109099130,2cyclictest0-21swapper/311:57:333
1109099130,12cyclictest0-21swapper/310:40:433
1109099130,12cyclictest0-21swapper/309:25:533
1109099130,12cyclictest0-21swapper/307:35:123
1109099130,12cyclictest0-21swapper/307:35:113
1109099130,10cyclictest22602-21grep12:26:023
1108999132,6cyclictest0-21swapper/211:05:012
11089991310,2cyclictest6731-21kworker/u8:012:32:042
11089991310,2cyclictest29471-21kworker/u8:208:26:052
11089991310,2cyclictest28153-21kworker/u8:111:59:052
11089991310,2cyclictest26398-21kworker/u8:109:42:052
11089991310,2cyclictest24740-21kworker/u8:110:17:052
11089991310,2cyclictest15448-21kworker/u8:109:08:052
11089991310,2cyclictest15448-21kworker/u8:108:52:052
11089991310,2cyclictest11365-21kworker/u8:107:27:042
11089991310,2cyclictest1045-21kworker/u8:108:15:052
11089991310,2cyclictest0-21swapper/212:11:582
11089991310,2cyclictest0-21swapper/211:11:452
11089991310,2cyclictest0-21swapper/210:58:252
11089991310,2cyclictest0-21swapper/210:20:372
11089991310,2cyclictest0-21swapper/209:36:252
11089991310,2cyclictest0-21swapper/208:30:162
11089991310,2cyclictest0-21swapper/208:01:052
1108999130,2cyclictest0-21swapper/211:25:182
1108999130,1cyclictest0-21swapper/209:27:342
1108999130,12cyclictest0-21swapper/211:48:152
1108999130,12cyclictest0-21swapper/210:36:152
1108999130,11cyclictest2935-21ssh12:05:362
1108999130,11cyclictest0-21swapper/209:30:062
1108799132,6cyclictest0-21swapper/108:10:011
1108799131,3cyclictest28705-21ssh12:32:271
1108799131,3cyclictest0-21swapper/107:40:131
1108799131,10cyclictest3728-21runrttasks09:26:201
1108799131,10cyclictest29914-21apt-get10:20:111
11087991310,2cyclictest207150irq/24-eth111:11:581
11087991310,2cyclictest20368-21kworker/u8:211:24:051
11087991310,2cyclictest1045-21kworker/u8:108:11:041
11087991310,2cyclictest0-21swapper/112:14:591
11087991310,2cyclictest0-21swapper/111:57:401
11087991310,2cyclictest0-21swapper/111:27:361
11087991310,2cyclictest0-21swapper/110:48:341
11087991310,2cyclictest0-21swapper/110:41:471
11087991310,2cyclictest0-21swapper/109:06:031
11087991310,2cyclictest0-21swapper/108:31:021
11087991310,2cyclictest0-21swapper/107:45:111
1108799130,2cyclictest27140-21diskmemload10:10:161
1108799130,2cyclictest0-21swapper/112:04:581
1108799130,2cyclictest0-21swapper/109:15:451
1108799130,2cyclictest0-21swapper/107:10:061
1108799130,11cyclictest0-21swapper/110:30:181
1108799130,11cyclictest0-21swapper/110:25:501
1108799130,11cyclictest0-21swapper/110:00:511
11084991310,2cyclictest7254-21apt-get10:30:110
11084991310,2cyclictest18211-21ssh10:06:380
11084991310,2cyclictest0-21swapper/011:09:340
11084991310,2cyclictest0-21swapper/010:35:290
11084991310,2cyclictest0-21swapper/009:57:320
11084991310,2cyclictest0-21swapper/009:10:440
1108499130,3cyclictest3152-21nscd10:53:590
1108499130,2cyclictest2914-21ssh09:17:510
1108499130,2cyclictest0-21swapper/011:37:540
1108499130,2cyclictest0-21swapper/011:25:330
1108499130,2cyclictest0-21swapper/009:00:090
1108499130,12cyclictest0-21swapper/011:49:350
1108499130,12cyclictest0-21swapper/011:30:180
1108499130,12cyclictest0-21swapper/009:50:390
1108499130,11cyclictest6075-21ssh11:01:290
1108499130,11cyclictest0-21swapper/012:39:030
1108499130,11cyclictest0-21swapper/011:50:170
1108499130,11cyclictest0-21swapper/011:15:030
1108499130,11cyclictest0-21swapper/010:01:100
1108499130,11cyclictest0-21swapper/008:20:170
1109099129,2cyclictest4459-21ssh11:34:233
1109099129,2cyclictest0-21swapper/311:36:273
1109099129,2cyclictest0-21swapper/311:14:233
1109099129,2cyclictest0-21swapper/310:33:333
1109099129,2cyclictest0-21swapper/309:35:163
1109099129,2cyclictest0-21swapper/308:55:173
1109099129,2cyclictest0-21swapper/308:45:013
1109099129,2cyclictest0-21swapper/308:06:023
1109099122,7cyclictest4556-21metacity11:08:593
1109099122,7cyclictest0-21swapper/309:17:593
1109099120,2cyclictest0-21swapper/311:01:233
1109099120,2cyclictest0-21swapper/310:26:483
1109099120,2cyclictest0-21swapper/309:54:533
1109099120,2cyclictest0-21swapper/307:51:013
1109099120,2cyclictest0-21swapper/307:20:133
1109099120,11cyclictest14513-21kworker/u8:009:41:053
1109099120,11cyclictest0-21swapper/312:39:433
1109099120,11cyclictest0-21swapper/311:44:023
1109099120,11cyclictest0-21swapper/311:28:533
1109099120,11cyclictest0-21swapper/310:03:323
1109099120,11cyclictest0-21swapper/308:21:003
1109099120,11cyclictest0-21swapper/307:30:123
1109099120,11cyclictest0-21swapper/307:30:123
1109099120,10cyclictest0-21swapper/309:45:043
1108999129,2cyclictest29471-21kworker/u8:208:10:042
1108999129,2cyclictest0-21swapper/208:05:142
1108999129,2cyclictest0-21swapper/207:10:152
1108999127,3cyclictest23336-21cpuspeed_turbos11:20:132
1108999127,3cyclictest21458-21apt-get07:35:122
1108999127,3cyclictest21458-21apt-get07:35:122
1108999120,11cyclictest0-21swapper/207:40:162
1108799129,2cyclictest0-21swapper/110:56:271
1108799129,2cyclictest0-21swapper/110:35:291
1108799122,7cyclictest0-21swapper/109:40:021
1108799122,7cyclictest0-21swapper/107:25:001
1108799121,9cyclictest0-21swapper/107:50:131
1108799121,8cyclictest0-21swapper/108:24:591
1108799121,7cyclictest0-21swapper/108:40:001
1108799121,3cyclictest0-21swapper/108:40:161
1108799120,7cyclictest0-21swapper/108:05:011
1108799120,2cyclictest0-21swapper/110:15:001
1108799120,2cyclictest0-21swapper/109:45:061
1108799120,2cyclictest0-21swapper/108:56:021
1108799120,2cyclictest0-21swapper/108:25:401
1108799120,11cyclictest0-21swapper/111:50:431
1108799120,11cyclictest0-21swapper/111:35:481
1108799120,11cyclictest0-21swapper/111:17:151
1108799120,11cyclictest0-21swapper/109:55:101
1108799120,11cyclictest0-21swapper/108:50:151
1108499129,2cyclictest0-21swapper/010:49:130
1108499129,2cyclictest0-21swapper/010:27:320
1108499129,2cyclictest0-21swapper/010:16:110
1108499129,2cyclictest0-21swapper/008:55:180
1108499129,2cyclictest0-21swapper/008:41:010
1108499129,2cyclictest0-21swapper/007:11:020
1108499122,5cyclictest0-21swapper/008:35:010
1108499120,2cyclictest0-21swapper/012:16:320
1108499120,2cyclictest0-21swapper/009:05:190
1108499120,2cyclictest0-21swapper/008:50:140
1108499120,2cyclictest0-21swapper/008:15:120
1108499120,2cyclictest0-21swapper/007:46:010
1108499120,11cyclictest0-21swapper/012:26:340
1108499120,11cyclictest0-21swapper/011:40:110
1108499120,11cyclictest0-21swapper/011:20:130
1108499120,11cyclictest0-21swapper/010:55:130
1108499120,11cyclictest0-21swapper/010:42:120
1108499120,11cyclictest0-21swapper/010:11:520
1108499120,11cyclictest0-21swapper/009:41:330
1108499120,10cyclictest0-21swapper/009:36:060
1109099118,2cyclictest18462-21ssh10:07:033
1109099118,2cyclictest0-21swapper/312:33:033
1109099118,2cyclictest0-21swapper/311:46:033
1109099112,6cyclictest0-21swapper/309:06:023
1109099112,6cyclictest0-21swapper/307:49:593
1109099110,2cyclictest19891-21hwlatdetect08:50:143
1109099110,10cyclictest11365-21kworker/u8:107:29:043
1109099110,10cyclictest0-21swapper/310:52:313
1108999118,2cyclictest15448-21kworker/u8:108:48:022
1108999118,2cyclictest0-21swapper/208:21:002
1108999118,2cyclictest0-21swapper/207:24:092
1108999116,3cyclictest15126-21cron07:20:002
1108799118,2cyclictest15448-21kworker/u8:108:49:041
1108799116,3cyclictest0-21swapper/107:30:121
1108799116,3cyclictest0-21swapper/107:30:111
1108799111,8cyclictest0-21swapper/107:55:111
1108799110,9cyclictest0-21swapper/107:15:121
1108799110,6cyclictest23721-21munin-node1
1108499110,10cyclictest0-21swapper/008:09:100
1108499110,10cyclictest0-21swapper/007:41:010
1108499110,10cyclictest0-21swapper/007:35:110
1108499110,10cyclictest0-21swapper/007:35:100
1109099107,2cyclictest0-21swapper/311:15:163
1109099102,7cyclictest0-21swapper/308:29:023
1108999107,2cyclictest29471-21kworker/u8:207:59:052
1108999107,2cyclictest15448-21kworker/u8:108:42:052
1108999105,3cyclictest24723-21grep09:01:002
1108999104,4cyclictest26478-21wc07:46:002
1108499107,2cyclictest0-21swapper/008:36:020
1108499107,2cyclictest0-21swapper/007:30:040
1108499107,2cyclictest0-21swapper/007:30:040
1108499105,3cyclictest29668-21grep07:55:120
1108499105,3cyclictest19244-21wc07:30:010
1108499101,5cyclictest0-21swapper/007:50:110
1108499101,5cyclictest0-21swapper/007:20:000
1108499100,2cyclictest0-21swapper/008:25:140
110909996,2cyclictest0-21swapper/307:10:173
110909994,3cyclictest23330-21sshd09:00:093
110909991,5cyclictest0-21swapper/308:03:593
110909990,6cyclictest0-21swapper/307:15:013
110899991,6cyclictest0-21swapper/208:35:092
110849996,2cyclictest0-21swapper/008:10:490
110909983,3cyclictest29635-21tr07:55:113
110909983,3cyclictest23703-21df_abs07:40:133
110909983,3cyclictest0-21swapper/308:30:133
110849985,2cyclictest0-21swapper/008:45:130
110849983,3cyclictest31807-21sed08:00:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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