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2026-04-27 - 20:24

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 27, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26691211895,18sleep30-21swapper/307:07:063
26720211496,12sleep20-21swapper/207:07:292
26674211296,11sleep10-21swapper/107:06:521
26740210796,6sleep00-21swapper/007:07:440
123992810,0sleep30-21swapper/307:51:013
255392740,0sleep20-21swapper/210:35:132
5232730,0sleep30-21swapper/312:28:223
239012710,0sleep30-21swapper/309:22:443
63622700,0sleep30-21swapper/308:56:033
279092660,0sleep20-21swapper/211:47:032
93052260,0sleep39306-21ssh10:17:033
2694599253,17cyclictest0-21swapper/012:30:050
2694599233,18cyclictest0-21swapper/009:01:050
2694599231,17cyclictest0-21swapper/012:27:040
2694599231,17cyclictest0-21swapper/007:43:050
234112230,0sleep10-21swapper/111:42:101
324392220,1sleep10-21swapper/107:21:011
2694899223,2cyclictest0-21swapper/311:58:043
2694699220,5cyclictest0-21swapper/111:50:061
2694599223,2cyclictest0-21swapper/010:52:040
2694899213,2cyclictest0-21swapper/308:26:043
2694899212,2cyclictest0-21swapper/312:03:053
2694899212,2cyclictest0-21swapper/308:35:053
2694899212,18cyclictest0-21swapper/309:57:043
26948992118,2cyclictest11623-21kworker/u8:111:34:053
2694599213,2cyclictest0-21swapper/011:26:040
2694599213,2cyclictest0-21swapper/009:56:050
2694599212,2cyclictest0-21swapper/012:37:040
2694599212,2cyclictest0-21swapper/009:16:060
2694599212,18cyclictest0-21swapper/008:47:040
2694599210,5cyclictest0-21swapper/010:24:020
2694599210,4cyclictest0-21swapper/012:03:040
2694899203,2cyclictest0-21swapper/311:02:063
2694899202,2cyclictest0-21swapper/311:49:053
26948992017,2cyclictest28467-21kworker/u8:011:15:053
26948992017,2cyclictest11464-21kworker/u8:112:38:053
2694899201,2cyclictest0-21swapper/309:16:053
2694899200,3cyclictest0-21swapper/310:24:013
26947992015,3cyclictest25380-21chrt08:25:132
2694699202,2cyclictest0-21swapper/112:20:041
2694599204,2cyclictest0-21swapper/010:42:050
26945992017,2cyclictest32219-21kworker/u8:207:23:040
26945992017,2cyclictest23121-21kworker/u8:111:07:050
2694599201,2cyclictest0-21swapper/011:13:050
2694599201,2cyclictest0-21swapper/010:38:010
2694599201,2cyclictest0-21swapper/009:13:050
2694599201,18cyclictest0-21swapper/011:59:050
2694599200,18cyclictest0-21swapper/010:10:040
37372190,1sleep3381ktimersoftd/308:50:173
26948991916,2cyclictest28467-21kworker/u8:011:53:053
26948991916,2cyclictest23887-21kworker/u8:010:08:053
26948991916,2cyclictest10875-21kworker/u8:110:02:053
2694899191,2cyclictest8902-21popularity-cont07:44:043
2694899191,2cyclictest0-21swapper/311:13:043
2694899190,2cyclictest0-21swapper/310:38:023
2694899190,18cyclictest0-21swapper/312:34:043
2694699190,4cyclictest0-21swapper/111:55:041
2694599193,2cyclictest0-21swapper/008:17:050
26945991916,2cyclictest9396-21kworker/u8:207:51:050
26945991916,2cyclictest4896-21kworker/u8:209:26:050
26945991916,2cyclictest10875-21kworker/u8:109:51:050
2694599191,2cyclictest0-21swapper/009:38:040
2694599190,2cyclictest0-21swapper/007:15:050
2694899182,2cyclictest0-21swapper/312:21:043
26948991815,2cyclictest27459-21kworker/u8:008:41:043
26948991815,2cyclictest12934-21kworker/u8:108:22:053
26948991815,2cyclictest12934-21kworker/u8:108:22:043
2694899180,4cyclictest0-21swapper/310:56:043
2694899180,2cyclictest9324-21ssh10:52:053
2694899180,2cyclictest0-21swapper/310:14:053
2694899180,2cyclictest0-21swapper/309:38:053
2694899180,2cyclictest0-21swapper/309:13:053
2694899180,2cyclictest0-21swapper/307:15:053
2694799181,15cyclictest0-21swapper/210:05:002
2694699181,15cyclictest23-21ksoftirqd/112:15:311
2694599181,8cyclictest0-21swapper/011:24:050
26945991815,2cyclictest2236-21kworker/u8:007:37:040
26945991815,2cyclictest18309-21kworker/u8:011:03:040
26945991815,2cyclictest17269-21kworker/u8:012:18:050
26945991815,2cyclictest12817-21kworker/u8:110:57:050
2694599180,2cyclictest0-21swapper/008:30:040
26948991714,2cyclictest21599-21kworker/u8:109:33:043
26948991714,2cyclictest18309-21kworker/u8:011:05:053
26948991714,2cyclictest15377-21kworker/u8:008:13:053
2694899170,2cyclictest8869-21ssh11:26:053
2694899170,2cyclictest0-21swapper/310:42:053
2694899170,2cyclictest0-21swapper/308:30:053
2694899170,11cyclictest0-21swapper/311:22:043
2694799172,2cyclictest29-21rcuc/211:05:122
26946991712,3cyclictest17830-21munin-node1
2694699171,14cyclictest221ktimersoftd/109:58:101
26945991714,2cyclictest487-21kworker/u8:010:48:050
26945991714,2cyclictest32219-21kworker/u8:207:31:050
26945991714,2cyclictest2236-21kworker/u8:007:45:040
26945991714,2cyclictest17547-21kworker/u8:211:37:050
26945991714,2cyclictest17547-21kworker/u8:211:37:040
26945991714,2cyclictest15377-21kworker/u8:008:11:040
26945991714,2cyclictest1072-21kworker/u8:109:05:050
136192171,3sleep00-21swapper/007:55:150
26948991613,2cyclictest4264-21kworker/u8:007:12:053
26948991613,2cyclictest3253-21kworker/u8:212:11:053
26948991613,2cyclictest32219-21kworker/u8:207:29:053
26948991613,2cyclictest28467-21kworker/u8:011:43:043
26948991613,2cyclictest16060-21kworker/u8:110:28:053
26948991612,2cyclictest17547-21kworker/u8:211:36:053
26948991612,2cyclictest17547-21kworker/u8:211:36:043
2694699160,3cyclictest0-21swapper/110:16:011
26945991613,2cyclictest27196-21kworker/u8:107:26:050
26945991613,2cyclictest21371-21kworker/u8:208:37:050
26945991613,2cyclictest17547-21kworker/u8:211:41:050
26945991613,2cyclictest16060-21kworker/u8:110:30:050
26945991613,2cyclictest11464-21kworker/u8:112:14:040
26945991613,2cyclictest10875-21kworker/u8:110:04:040
2694899153,2cyclictest0-21swapper/308:06:043
26948991512,2cyclictest9396-21kworker/u8:207:48:053
26948991512,2cyclictest4896-21kworker/u8:209:27:053
26948991512,2cyclictest487-21kworker/u8:010:46:053
26948991512,2cyclictest4264-21kworker/u8:007:20:053
26948991512,2cyclictest3253-21kworker/u8:212:06:043
26948991512,2cyclictest21654-21kworker/u8:210:33:043
26948991512,2cyclictest15377-21kworker/u8:008:02:053
2694899150,2cyclictest0-21swapper/308:46:053
2694799155,7cyclictest3688-21Xorg10:08:592
2694799151,3cyclictest12192-21ps07:50:182
26947991512,2cyclictest29-21rcuc/210:10:592
26947991512,2cyclictest0-21swapper/212:35:102
2694799150,3cyclictest0-21swapper/210:15:122
2694799150,2cyclictest0-21swapper/209:59:092
2694699153,11cyclictest0-21swapper/108:05:171
2694699151,3cyclictest25682-21df08:25:151
26946991512,2cyclictest0-21swapper/109:15:011
2694699151,12cyclictest30268-21perl12:25:131
2694699151,12cyclictest0-21swapper/110:00:121
26946991510,3cyclictest5955-21cat08:55:171
2694699150,13cyclictest207150irq/24-eth111:46:031
26945991512,2cyclictest23887-21kworker/u8:010:27:040
26945991512,2cyclictest1072-21kworker/u8:108:58:040
26945991511,2cyclictest0-21swapper/011:30:130
15192151,2sleep21529-21sh11:54:392
26948991411,2cyclictest32219-21kworker/u8:207:32:043
26948991411,2cyclictest17269-21kworker/u8:012:16:053
26948991411,2cyclictest12934-21kworker/u8:108:19:053
26948991411,2cyclictest10875-21kworker/u8:109:50:063
26948991411,2cyclictest1072-21kworker/u8:109:08:013
2694699141,2cyclictest0-21swapper/112:00:141
26946991411,2cyclictest11029-21diskmemload11:10:301
26946991411,2cyclictest0-21swapper/110:23:201
26946991411,2cyclictest0-21swapper/109:22:001
2694699141,11cyclictest3728-21runrttasks09:32:351
2694699140,2cyclictest0-21swapper/111:35:131
2694699140,2cyclictest0-21swapper/111:35:121
2694699140,2cyclictest0-21swapper/110:47:101
2694699140,12cyclictest3187-21ntpd09:25:241
2694699140,12cyclictest0-21swapper/111:25:301
2694699140,12cyclictest0-21swapper/111:08:111
2694699140,12cyclictest0-21swapper/109:05:131
26945991411,2cyclictest23121-21kworker/u8:111:17:040
2694599140,12cyclictest11029-21diskmemload11:50:220
26948991310,2cyclictest30244-21kworker/u8:009:40:043
26948991310,2cyclictest2236-21kworker/u8:007:36:053
26948991310,2cyclictest10875-21kworker/u8:109:49:053
26948991310,2cyclictest0-21swapper/309:00:113
26948991310,2cyclictest0-21swapper/307:55:173
2694799131,7cyclictest31-21ksoftirqd/207:25:022
26947991310,2cyclictest0-21swapper/208:06:002
2694799130,2cyclictest0-21swapper/212:34:512
2694799130,2cyclictest0-21swapper/209:35:132
2694799130,2cyclictest0-21swapper/207:35:152
2694699138,3cyclictest29836-21ssh10:05:061
2694699132,2cyclictest0-21swapper/108:45:051
26946991311,1cyclictest0-21swapper/110:40:471
26946991310,2cyclictest0-21swapper/112:39:161
26946991310,2cyclictest0-21swapper/111:15:141
26946991310,2cyclictest0-21swapper/111:01:031
26946991310,2cyclictest0-21swapper/110:55:231
26946991310,2cyclictest0-21swapper/110:50:141
26946991310,2cyclictest0-21swapper/109:40:131
26946991310,2cyclictest0-21swapper/107:51:011
26946991310,2cyclictest0-21swapper/107:43:411
2694699130,3cyclictest0-21swapper/112:08:011
2694699130,3cyclictest0-21swapper/109:45:181
2694699130,2cyclictest21-21rcuc/107:11:021
2694699130,2cyclictest0-21swapper/112:33:181
2694699130,2cyclictest0-21swapper/111:21:051
2694699130,2cyclictest0-21swapper/110:30:061
2694699130,2cyclictest0-21swapper/110:29:581
2694699130,12cyclictest11029-21diskmemload09:35:011
2694699130,12cyclictest0-21swapper/111:30:041
2694699130,12cyclictest0-21swapper/109:16:511
26945991310,2cyclictest15377-21kworker/u8:008:04:050
2694599130,2cyclictest27804-21ssh12:22:200
2694599130,12cyclictest0-21swapper/010:05:590
2694599130,12cyclictest0-21swapper/009:44:310
2694599130,11cyclictest17320-21apt-get08:05:110
263232130,2sleep20-21swapper/212:20:352
237022130,1sleep00-21swapper/009:22:250
161522130,2sleep20-21swapper/209:15:142
2694799129,2cyclictest31-21ksoftirqd/207:43:382
2694799129,2cyclictest0-21swapper/209:05:162
2694799128,2cyclictest0-21swapper/211:15:112
2694799128,2cyclictest0-21swapper/208:00:102
2694799122,7cyclictest11029-21diskmemload11:56:582
2694799122,7cyclictest0-21swapper/209:41:592
2694799122,7cyclictest0-21swapper/209:04:022
2694799122,7cyclictest0-21swapper/208:48:592
2694799121,6cyclictest0-21swapper/207:16:012
2694799120,2cyclictest301ktimersoftd/212:00:142
2694799120,10cyclictest0-21swapper/209:10:382
2694699129,2cyclictest0-21swapper/110:12:201
2694699122,7cyclictest0-21swapper/107:30:581
2694699121,9cyclictest7224-21apt-get09:00:111
2694699121,9cyclictest0-21swapper/108:35:161
2694699121,9cyclictest0-21swapper/107:36:031
2694699121,9cyclictest0-21swapper/107:15:171
2694699120,2cyclictest0-21swapper/112:10:381
2694699120,2cyclictest0-21swapper/108:20:511
2694699120,2cyclictest0-21swapper/108:20:501
2694699120,11cyclictest207150irq/24-eth110:35:371
2694699120,10cyclictest21371-21kworker/u8:208:32:021
2694599129,2cyclictest0-21swapper/012:05:490
2694599120,2cyclictest0-21swapper/011:45:090
2694599120,11cyclictest0-21swapper/010:17:410
2694599120,11cyclictest0-21swapper/009:45:160
2694599120,11cyclictest0-21swapper/009:30:090
130262120,2sleep20-21swapper/211:30:502
281462110,2sleep20-21swapper/211:12:332
2694799119,1cyclictest0-21swapper/210:45:172
2694799118,2cyclictest12-21rcu_preempt11:26:062
2694799118,2cyclictest0-21swapper/208:10:102
2694799116,3cyclictest12003-21ethtool10:55:172
2694799113,6cyclictest0-21swapper/207:30:582
2694799112,7cyclictest0-21swapper/208:15:022
2694799112,6cyclictest0-21swapper/211:40:012
2694799112,6cyclictest0-21swapper/211:40:002
2694799112,6cyclictest0-21swapper/210:45:012
2694799112,6cyclictest0-21swapper/210:29:592
2694799112,6cyclictest0-21swapper/209:29:592
2694799112,6cyclictest0-21swapper/208:31:582
2694799112,6cyclictest0-21swapper/207:20:592
2694799111,7cyclictest0-21swapper/210:21:012
2694799111,7cyclictest0-21swapper/207:13:592
2694799111,6cyclictest20056-21ssh12:14:532
2694799110,9cyclictest0-21swapper/211:44:552
2694799110,2cyclictest0-21swapper/208:36:032
2694699118,2cyclictest0-21swapper/108:50:141
2694699118,2cyclictest0-21swapper/108:15:301
2694699111,8cyclictest15310-21apt-get08:00:111
2694699110,9cyclictest9396-21kworker/u8:207:46:041
2694699110,10cyclictest12934-21kworker/u8:107:58:041
2694599118,2cyclictest0-21swapper/008:50:150
2694599118,2cyclictest0-21swapper/008:26:050
213452110,2sleep20-21swapper/210:30:182
173752110,2sleep20-21swapper/209:50:252
323902100,1sleep2301ktimersoftd/212:27:212
277312100,2sleep20-21swapper/209:26:292
2694799107,2cyclictest0-21swapper/209:45:132
2694799107,2cyclictest0-21swapper/209:21:592
2694799105,3cyclictest20956-21grep12:15:142
2694799104,4cyclictest2338-21tr11:20:132
2694799100,7cyclictest0-21swapper/212:05:022
2694699102,7cyclictest0-21swapper/108:13:011
2694699101,7cyclictest23-21ksoftirqd/107:25:161
2694699100,9cyclictest21371-21kworker/u8:208:40:041
2694599107,2cyclictest27459-21kworker/u8:008:42:060
100742100,2sleep20-21swapper/210:53:222
269479994,3cyclictest9269-21sh07:45:102
269479994,3cyclictest3728-21runrttasks08:41:352
269479994,3cyclictest23387-21basename08:20:122
269479994,3cyclictest23387-21basename08:20:112
269479994,3cyclictest16036-21munin-node2
269479991,6cyclictest31-21ksoftirqd/208:55:052
269459991,4cyclictest0-21swapper/007:10:000
269479983,3cyclictest3155-21cut08:50:152
269479983,3cyclictest132632chrt07:55:112
269459985,2cyclictest0-21swapper/008:21:010
269459985,2cyclictest0-21swapper/008:21:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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