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2026-05-22 - 22:46

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 22, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26997211595,15sleep20-21swapper/207:05:252
27544211292,14sleep30-21swapper/307:07:063
27766210897,6sleep10-21swapper/107:09:571
27495210883,20sleep00-21swapper/007:06:280
288652770,0sleep00-21swapper/010:00:500
9102760,0sleep20-21swapper/211:13:262
183462270,1sleep30-21swapper/312:39:053
2779799221,3cyclictest4705-21chrt10:10:110
2779799221,3cyclictest4705-21chrt10:10:110
2780099203,8cyclictest0-21swapper/312:01:043
27800992017,2cyclictest8300-21kworker/u8:212:08:053
27800992017,2cyclictest3383-21kworker/u8:007:30:013
27800992017,2cyclictest27514-21kworker/u8:110:01:043
27800992017,2cyclictest20784-21kworker/u8:012:34:013
2780099200,18cyclictest0-21swapper/309:58:013
2779799201,2cyclictest0-21swapper/010:49:050
2779799200,2cyclictest0-21swapper/011:10:110
2779799200,18cyclictest0-21swapper/009:15:110
263442200,0sleep20-21swapper/209:58:502
27800991916,2cyclictest8300-21kworker/u8:212:15:043
27800991916,2cyclictest26458-21kworker/u8:211:47:043
27800991916,2cyclictest21546-21kworker/u8:111:39:043
27800991916,2cyclictest17566-21kworker/u8:110:46:043
27800991916,2cyclictest14509-21kworker/u8:210:09:043
27800991916,2cyclictest11602-21kworker/u8:009:12:043
326372180,0sleep20-21swapper/211:45:562
27800991815,2cyclictest6098-21kworker/u8:210:53:043
27800991815,2cyclictest32543-21kworker/u8:109:46:043
27800991815,2cyclictest28299-21kworker/u8:211:20:043
27800991815,2cyclictest26458-21kworker/u8:211:42:043
27800991815,2cyclictest25823-21kworker/u8:310:39:043
27800991815,2cyclictest25823-21kworker/u8:310:34:013
27800991815,2cyclictest22597-21kworker/u8:011:17:043
27800991815,2cyclictest20784-21kworker/u8:012:24:013
27800991815,2cyclictest19436-21kworker/u8:209:25:043
27800991815,2cyclictest15835-21kworker/u8:208:08:043
27800991815,2cyclictest14509-21kworker/u8:210:10:043
27800991815,2cyclictest14509-21kworker/u8:210:10:043
27800991815,2cyclictest1352-21kworker/u8:011:52:043
27800991815,2cyclictest11602-21kworker/u8:009:17:043
27797991815,2cyclictest32543-21kworker/u8:109:51:040
27797991814,2cyclictest17566-21kworker/u8:111:03:040
27800991714,2cyclictest30089-21kworker/u8:207:28:013
27800991714,2cyclictest28299-21kworker/u8:211:12:013
27800991714,2cyclictest21546-21kworker/u8:111:59:043
27800991714,2cyclictest19436-21kworker/u8:209:35:043
27800991714,2cyclictest17566-21kworker/u8:110:29:043
27800991714,2cyclictest15835-21kworker/u8:208:00:043
27800991714,2cyclictest12158-21kworker/u8:008:27:043
27800991714,2cyclictest11985-21kworker/u8:210:18:043
27800991712,3cyclictest13279-21ssh11:25:403
2780099170,15cyclictest0-21swapper/309:35:003
27800991613,2cyclictest3454-21kworker/u8:208:48:043
27800991613,2cyclictest32543-21kworker/u8:109:41:043
27800991613,2cyclictest23708-21kworker/u8:108:22:043
27800991613,2cyclictest22597-21kworker/u8:011:09:043
27800991613,2cyclictest19436-21kworker/u8:209:22:043
27800991613,2cyclictest17566-21kworker/u8:110:24:053
27800991613,2cyclictest12158-21kworker/u8:008:59:043
27800991613,2cyclictest12158-21kworker/u8:008:35:043
2779999161,13cyclictest0-21swapper/211:10:002
2779899161,3cyclictest0-21swapper/109:45:121
2779899161,13cyclictest1479-21grep10:40:141
27797991613,2cyclictest14509-21kworker/u8:210:05:040
27797991612,2cyclictest0-21swapper/008:25:040
27800991512,2cyclictest587-21kworker/u8:107:35:043
27800991511,2cyclictest0-21swapper/310:41:413
2780099150,10cyclictest0-21swapper/309:03:043
2779899150,3cyclictest11051-21ssh12:30:471
2779899150,13cyclictest17847-21sed12:05:001
2779899150,13cyclictest0-21swapper/110:48:181
2779899150,13cyclictest0-21swapper/109:50:051
27797991512,2cyclictest26458-21kworker/u8:211:43:040
27797991512,2cyclictest21546-21kworker/u8:112:05:040
27797991512,2cyclictest0-21swapper/011:34:550
27797991510,3cyclictest0-21swapper/007:35:010
2779799150,13cyclictest11433-21diskmemload10:25:150
27800991411,2cyclictest9710-21kworker/u8:107:50:013
27800991411,2cyclictest5886-21kworker/u8:207:43:043
27800991411,2cyclictest4873-21kworker/u8:212:26:043
27800991411,2cyclictest25711-21kworker/u8:007:16:043
27800991411,2cyclictest15901-21kworker/u8:211:30:043
2780099140,2cyclictest0-21swapper/310:56:043
2780099140,2cyclictest0-21swapper/308:42:043
2780099140,2cyclictest0-21swapper/308:16:003
2780099140,12cyclictest17835-21munin-node3
2779999149,3cyclictest0-21swapper/212:26:022
2779999142,6cyclictest0-21swapper/209:05:002
2779999140,2cyclictest0-21swapper/208:01:022
2779999140,12cyclictest7521-21apt-get07:38:052
2779999140,12cyclictest0-21swapper/211:30:312
2779999140,12cyclictest0-21swapper/210:41:122
2779999140,12cyclictest0-21swapper/209:30:122
2779899149,3cyclictest29074-21python10:01:001
27798991411,2cyclictest0-21swapper/111:46:071
27798991411,2cyclictest0-21swapper/110:33:171
27798991411,2cyclictest0-21swapper/109:16:071
2779899141,11cyclictest13961-21ssh11:26:061
27798991410,2cyclictest7521-21apt-get07:38:061
2779899140,2cyclictest0-21swapper/112:07:271
2779899140,2cyclictest0-21swapper/110:20:171
2779899140,2cyclictest0-21swapper/110:07:571
2779899140,13cyclictest0-21swapper/112:37:581
2779899140,13cyclictest0-21swapper/111:31:571
2779899140,12cyclictest14808-21diskmemload10:54:231
2779899140,12cyclictest0-21swapper/109:35:151
27797991411,2cyclictest4873-21kworker/u8:212:27:040
2779799140,3cyclictest13958-21seq11:26:060
2779799140,2cyclictest0-21swapper/010:44:010
2779799140,12cyclictest11433-21diskmemload09:40:450
2779799140,12cyclictest0-21swapper/010:24:490
2779799140,12cyclictest0-21swapper/009:36:390
2780099132,8cyclictest0-21swapper/308:32:013
27800991310,2cyclictest3454-21kworker/u8:209:07:043
27800991310,2cyclictest17566-21kworker/u8:111:02:043
27800991310,2cyclictest15835-21kworker/u8:208:11:043
2779999138,3cyclictest0-21swapper/210:10:162
2779999138,3cyclictest0-21swapper/210:10:152
2779999132,6cyclictest0-21swapper/210:50:012
2779999132,6cyclictest0-21swapper/210:05:002
2779999132,6cyclictest0-21swapper/208:30:002
2779999132,6cyclictest0-21swapper/208:00:002
2779999131,6cyclictest0-21swapper/211:20:002
27799991310,2cyclictest0-21swapper/212:30:112
27799991310,2cyclictest0-21swapper/212:20:152
27799991310,2cyclictest0-21swapper/211:50:112
2779999130,3cyclictest32222-21ssh10:05:092
2779999130,12cyclictest0-21swapper/210:50:152
2779899138,3cyclictest0-21swapper/110:10:131
2779899138,3cyclictest0-21swapper/110:10:131
2779899138,3cyclictest0-21swapper/107:25:121
2779899132,6cyclictest0-21swapper/109:25:001
27798991310,2cyclictest0-21swapper/112:17:191
27798991310,2cyclictest0-21swapper/112:14:171
27798991310,2cyclictest0-21swapper/111:55:021
27798991310,2cyclictest0-21swapper/111:50:221
27798991310,2cyclictest0-21swapper/110:36:111
27798991310,2cyclictest0-21swapper/109:55:071
2779899130,2cyclictest0-21swapper/111:35:191
2779899130,12cyclictest0-21swapper/111:43:471
2779899130,12cyclictest0-21swapper/111:22:371
2779899130,12cyclictest0-21swapper/110:59:471
2779899130,12cyclictest0-21swapper/109:20:371
2779899130,12cyclictest0-21swapper/109:13:571
2779899130,11cyclictest0-21swapper/111:02:321
2779899130,11cyclictest0-21swapper/107:50:291
2779799139,2cyclictest0-21swapper/008:10:180
2779799132,6cyclictest0-21swapper/009:10:000
2779799132,6cyclictest0-21swapper/007:15:010
27797991310,2cyclictest6098-21kworker/u8:210:55:040
27797991310,2cyclictest25823-21kworker/u8:310:36:040
27797991310,2cyclictest0-21swapper/012:00:450
27797991310,2cyclictest0-21swapper/011:56:060
27797991310,2cyclictest0-21swapper/011:38:180
27797991310,2cyclictest0-21swapper/010:51:470
27797991310,2cyclictest0-21swapper/008:35:120
2779799130,2cyclictest11433-21diskmemload12:35:040
2779799130,2cyclictest0-21swapper/011:48:050
2779799130,12cyclictest0-21swapper/012:13:460
2779799130,12cyclictest0-21swapper/011:52:050
2779799130,12cyclictest0-21swapper/011:06:250
2779799130,11cyclictest11433-21diskmemload12:31:000
2779799130,11cyclictest0-21swapper/009:57:080
122662130,2sleep00-21swapper/010:17:210
2780099128,2cyclictest0-21swapper/307:20:183
2780099120,2cyclictest0-21swapper/312:10:043
2779999129,2cyclictest10044-21munin-node2
2779999129,2cyclictest0-21swapper/212:11:432
2779999129,2cyclictest0-21swapper/211:35:552
2779999129,2cyclictest0-21swapper/210:29:552
2779999129,2cyclictest0-21swapper/210:15:512
2779999129,2cyclictest0-21swapper/209:16:392
2779999129,2cyclictest0-21swapper/207:40:152
2779999129,2cyclictest0-21swapper/207:15:172
2779999127,3cyclictest17032-21ssh09:49:182
2779999127,3cyclictest0-21swapper/210:20:202
2779999122,6cyclictest0-21swapper/208:36:022
2779999122,6cyclictest0-21swapper/208:20:002
2779999121,6cyclictest0-21swapper/208:55:002
2779999120,2cyclictest0-21swapper/212:35:172
2779999120,2cyclictest0-21swapper/212:05:172
2779999120,2cyclictest0-21swapper/211:04:582
2779999120,2cyclictest0-21swapper/207:25:142
2779999120,11cyclictest0-21swapper/210:36:032
2779999120,11cyclictest0-21swapper/210:30:062
2779999120,11cyclictest0-21swapper/209:35:192
2779999120,11cyclictest0-21swapper/209:25:132
2779999120,11cyclictest0-21swapper/207:50:132
2779899129,2cyclictest0-21swapper/112:21:591
2779899129,2cyclictest0-21swapper/111:15:471
2779899129,2cyclictest0-21swapper/109:31:371
2779899129,2cyclictest0-21swapper/107:30:061
2779899129,2cyclictest0-21swapper/107:15:191
2779899128,2cyclictest0-21swapper/108:20:161
2779899122,7cyclictest0-21swapper/107:48:581
2779899120,2cyclictest0-21swapper/110:25:291
2779899120,2cyclictest0-21swapper/109:00:291
2779899120,2cyclictest0-21swapper/108:45:501
2779899120,2cyclictest0-21swapper/107:20:101
2779899120,11cyclictest0-21swapper/112:25:031
2779899120,11cyclictest0-21swapper/111:10:081
2779899120,11cyclictest0-21swapper/110:15:501
2779899120,11cyclictest0-21swapper/109:41:171
2779899120,10cyclictest0-21swapper/111:05:191
2779899120,10cyclictest0-21swapper/108:01:011
2779799129,2cyclictest8300-21kworker/u8:212:16:010
2779799129,2cyclictest22442-21ssh09:20:190
2779799129,2cyclictest20784-21kworker/u8:012:22:040
2779799129,2cyclictest17566-21kworker/u8:110:32:050
2779799129,2cyclictest0-21swapper/008:45:120
2779799122,6cyclictest0-21swapper/007:15:000
2779799121,9cyclictest26146-21ssh09:25:100
2779799121,6cyclictest0-21swapper/008:30:000
2779799120,2cyclictest0-21swapper/011:21:280
2779799120,2cyclictest0-21swapper/009:15:000
2779799120,11cyclictest0-21swapper/011:15:390
2779799120,11cyclictest0-21swapper/009:45:450
2779799120,11cyclictest0-21swapper/009:31:170
2779799120,11cyclictest0-21swapper/009:00:160
2780099118,2cyclictest12158-21kworker/u8:008:53:043
2780099118,2cyclictest0-21swapper/307:55:103
2780099110,10cyclictest0-21swapper/307:10:143
2779999118,2cyclictest0-21swapper/211:20:152
2779999118,2cyclictest0-21swapper/209:40:022
2779999118,2cyclictest0-21swapper/207:45:172
2779999118,2cyclictest0-21swapper/207:30:122
2779999116,3cyclictest0-21swapper/209:51:502
2779999113,6cyclictest0-21swapper/208:13:322
2779999111,6cyclictest0-21swapper/211:30:002
2779999110,9cyclictest3597-21sshd08:49:132
2779999110,5cyclictest0-21swapper/207:15:012
2779999110,2cyclictest11433-21diskmemload12:01:212
2779999110,10cyclictest11433-21diskmemload09:11:492
2779999110,10cyclictest0-21swapper/212:15:302
2779999110,10cyclictest0-21swapper/209:21:112
2779999110,10cyclictest0-21swapper/208:55:162
2779999110,10cyclictest0-21swapper/208:40:152
2779899118,2cyclictest0-21swapper/107:10:121
2779899116,3cyclictest10474-21grep09:05:141
2779899111,7cyclictest0-21swapper/108:28:341
2779899111,5cyclictest0-21swapper/108:15:001
2779899110,9cyclictest6009-21munin-node1
2779899110,9cyclictest0-21swapper/108:31:011
2779799118,2cyclictest9710-21kworker/u8:107:58:050
2779799118,2cyclictest15835-21kworker/u8:208:04:040
2779799118,2cyclictest12158-21kworker/u8:008:51:040
2779799116,3cyclictest0-21swapper/007:20:180
227752110,1sleep10-21swapper/108:15:151
2779999107,2cyclictest0-21swapper/211:40:122
2779999107,2cyclictest0-21swapper/210:55:172
2779999100,8cyclictest0-21swapper/208:30:132
2779999100,2cyclictest0-21swapper/211:55:452
2779899105,3cyclictest32335-21telnet08:40:121
2779899101,7cyclictest14098-21apt-get07:55:101
2779899101,5cyclictest0-21swapper/108:40:001
2779899100,8cyclictest0-21swapper/108:05:171
2779899100,8cyclictest0-21swapper/107:40:111
2779799107,2cyclictest0-21swapper/008:24:080
2779799105,3cyclictest32430-21telnet08:40:130
2779799103,6cyclictest0-21swapper/008:58:400
2779799100,6cyclictest0-21swapper/007:25:590
277999994,3cyclictest3728-21runrttasks07:20:142
277999992,6cyclictest0-21swapper/208:21:012
277999991,6cyclictest18988-21head08:05:202
277989991,5cyclictest0-21swapper/108:50:001
277979994,3cyclictest8134-21aten2.4-expect07:40:110
277979994,3cyclictest23573-21grep08:16:020
277979994,3cyclictest10089-21aten2.4_r3power07:45:110
277979994,3cyclictest0-21swapper/007:50:120
277979991,5cyclictest0-21swapper/007:35:020
277979990,3cyclictest19920-21cron08:10:000
278009981,4cyclictest0-21swapper/307:45:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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