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2026-04-17 - 21:37

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 Fri Apr 17, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13424211593,15sleep00-21swapper/007:06:030
13557211497,12sleep30-21swapper/307:07:023
136482113102,6sleep20-21swapper/207:08:132
13607211094,11sleep10-21swapper/107:07:401
107082820,0sleep30-21swapper/311:36:033
322272720,1sleep332235-21latency11:25:163
263362620,1sleep00-21swapper/010:12:030
141622350,4sleep1221ktimersoftd/111:40:141
1381699340,2cyclictest0-21swapper/008:35:120
1381699340,2cyclictest0-21swapper/008:35:120
145682260,0sleep30-21swapper/312:14:583
1381699260,24cyclictest0-21swapper/008:55:120
1381899250,2cyclictest0-21swapper/208:35:122
1381899250,2cyclictest0-21swapper/208:35:122
212742240,1sleep30-21swapper/311:47:303
288552230,1sleep30-21swapper/312:29:503
13816992320,2cyclictest28540-21ssh10:15:110
1381899222,18cyclictest0-21swapper/207:50:112
13819992118,2cyclictest25194-21kworker/u8:207:47:043
13819992115,5cyclictest0-21swapper/310:22:043
1381999211,18cyclictest25207-21ssh10:45:103
1381999210,5cyclictest0-21swapper/312:31:043
1381999210,16cyclictest0-21swapper/309:46:043
1381899210,19cyclictest0-21swapper/208:55:132
13819992017,2cyclictest8536-21kworker/u8:111:12:043
13819992017,2cyclictest8536-21kworker/u8:111:01:043
13819992017,2cyclictest842-21kworker/u8:110:40:043
13819992017,2cyclictest842-21kworker/u8:110:26:053
13819992017,2cyclictest8332-21kworker/u8:008:22:043
13819992017,2cyclictest8332-21kworker/u8:008:17:043
13819992017,2cyclictest30482-21kworker/u8:111:24:043
13819992017,2cyclictest28619-21kworker/u8:110:52:013
13819992017,2cyclictest24078-21kworker/u8:109:19:043
13819992017,2cyclictest22402-21kworker/u8:109:36:043
13819992017,2cyclictest21993-21kworker/u8:208:49:043
13819992017,2cyclictest21776-21kworker/u8:210:57:043
13819992017,2cyclictest21776-21kworker/u8:210:39:043
13819992017,2cyclictest21776-21kworker/u8:210:32:043
13819992017,2cyclictest20240-21kworker/u8:107:41:043
13819992017,2cyclictest20171-21kworker/u8:011:18:053
13819992017,2cyclictest15574-21kworker/u8:010:07:043
13819992017,2cyclictest14388-21kworker/u8:008:32:043
13819992017,2cyclictest14388-21kworker/u8:008:32:043
13819992017,2cyclictest11427-21kworker/u8:009:43:043
13819992017,2cyclictest11427-21kworker/u8:009:27:043
13818992017,2cyclictest20171-21kworker/u8:011:53:042
1381799200,2cyclictest0-21swapper/108:05:101
1381699200,2cyclictest0-21swapper/010:55:100
13819991916,2cyclictest8332-21kworker/u8:008:25:043
13819991916,2cyclictest27187-21kworker/u8:010:19:043
13819991916,2cyclictest27187-21kworker/u8:010:14:043
13819991916,2cyclictest20171-21kworker/u8:011:56:043
13819991916,2cyclictest20171-21kworker/u8:011:54:043
13819991916,2cyclictest1992-21kworker/u8:212:08:043
13819991916,2cyclictest1992-21kworker/u8:212:08:043
13819991916,2cyclictest18133-21kworker/u8:007:25:043
13819991916,2cyclictest13555-21kworker/u8:107:10:013
13818991916,2cyclictest11427-21kworker/u8:009:49:042
13819991815,2cyclictest9482-21kworker/u8:111:42:013
13819991815,2cyclictest7913-21kworker/u8:209:56:013
13819991815,2cyclictest3170-21kworker/u8:211:34:013
13819991815,2cyclictest21993-21kworker/u8:209:01:043
13819991815,2cyclictest20240-21kworker/u8:107:35:043
13819991815,2cyclictest1965-21kworker/u8:208:09:043
13819991815,2cyclictest18133-21kworker/u8:007:22:043
13819991815,2cyclictest16328-21kworker/u8:209:34:043
1381999180,2cyclictest0-21swapper/308:13:043
13818991815,2cyclictest24078-21kworker/u8:109:25:042
13818991815,2cyclictest23265-21kworker/u8:111:58:042
1381899180,2cyclictest0-21swapper/210:08:042
1381799180,16cyclictest0-21swapper/110:45:101
1381799180,16cyclictest0-21swapper/110:35:091
1381699180,16cyclictest0-21swapper/010:35:090
13819991714,2cyclictest25194-21kworker/u8:207:32:043
13819991714,2cyclictest24078-21kworker/u8:109:10:043
13819991714,2cyclictest21993-21kworker/u8:208:56:043
13819991714,2cyclictest11427-21kworker/u8:009:50:043
13819991711,4cyclictest21105-21ssh12:20:463
13818991714,2cyclictest8843-21kworker/u8:112:36:042
13818991714,2cyclictest842-21kworker/u8:110:28:042
13818991714,2cyclictest22402-21kworker/u8:109:59:042
13818991714,2cyclictest21776-21kworker/u8:210:56:042
13818991714,2cyclictest20240-21kworker/u8:107:44:012
13818991714,2cyclictest1992-21kworker/u8:212:01:042
13818991714,2cyclictest11427-21kworker/u8:009:38:042
1381899170,2cyclictest30182-21diskmemload12:31:042
1381799176,7cyclictest0-21swapper/109:44:051
290072160,0sleep10-21swapper/111:55:171
13819991613,2cyclictest31954-21kworker/u8:107:54:043
13819991613,2cyclictest14388-21kworker/u8:008:37:043
13819991613,2cyclictest14388-21kworker/u8:008:37:043
1381999160,2cyclictest0-21swapper/308:53:043
1381999160,2cyclictest0-21swapper/308:03:043
13818991613,2cyclictest8843-21kworker/u8:112:15:042
13818991613,2cyclictest21776-21kworker/u8:210:36:042
13818991613,2cyclictest21776-21kworker/u8:210:10:042
13818991613,2cyclictest20171-21kworker/u8:012:28:052
13818991613,2cyclictest20171-21kworker/u8:011:23:042
13818991613,2cyclictest15574-21kworker/u8:010:04:012
13818991613,2cyclictest11427-21kworker/u8:009:24:012
1381899161,13cyclictest0-21swapper/211:30:002
1381999151,3cyclictest0-21swapper/312:05:003
1381999151,12cyclictest32155-21apt-get07:55:063
1381999150,2cyclictest0-21swapper/310:01:043
13818991512,2cyclictest8843-21kworker/u8:112:14:042
13818991512,2cyclictest8332-21kworker/u8:008:24:042
13818991512,2cyclictest8332-21kworker/u8:008:18:042
13818991512,2cyclictest28619-21kworker/u8:110:51:042
13818991512,2cyclictest28454-21kworker/u8:009:15:042
13818991512,2cyclictest25194-21kworker/u8:207:36:042
13818991512,2cyclictest21776-21kworker/u8:211:09:042
13818991512,2cyclictest20171-21kworker/u8:011:39:042
13818991512,2cyclictest20171-21kworker/u8:011:16:042
13818991512,2cyclictest20171-21kworker/u8:011:13:042
13818991512,2cyclictest1992-21kworker/u8:212:06:062
13818991512,2cyclictest1992-21kworker/u8:212:06:062
13818991512,2cyclictest1965-21kworker/u8:208:12:042
13818991512,2cyclictest1965-21kworker/u8:208:08:042
13818991512,2cyclictest18133-21kworker/u8:007:23:042
13818991512,2cyclictest13555-21kworker/u8:107:15:042
13818991512,2cyclictest13555-21kworker/u8:107:14:042
1381899150,2cyclictest0-21swapper/211:48:042
1381799151,12cyclictest31091-21apt-get11:25:051
1381799150,2cyclictest30182-21diskmemload11:01:501
1381799150,13cyclictest0-21swapper/112:35:171
1381799150,13cyclictest0-21swapper/109:55:001
13816991511,2cyclictest12209-21apt-get08:25:110
13816991510,3cyclictest27572-21diskstats09:40:130
1381699150,13cyclictest30182-21diskmemload09:23:540
1381699150,13cyclictest29221-21ssh12:30:040
1381699150,12cyclictest0-21swapper/009:10:160
1381999140,3cyclictest0-21swapper/311:08:243
1381999140,2cyclictest0-21swapper/312:36:013
13818991411,2cyclictest8843-21kworker/u8:112:20:042
13818991411,2cyclictest31954-21kworker/u8:108:04:042
13818991411,2cyclictest31954-21kworker/u8:107:56:042
13818991411,2cyclictest20240-21kworker/u8:107:27:042
13818991411,2cyclictest18291-21kworker/u8:108:46:052
13818991410,2cyclictest26664-21df_abs09:00:132
1381899140,3cyclictest2507-21sh09:14:592
1381799141,2cyclictest10946-21python09:56:041
13817991411,2cyclictest0-21swapper/108:40:181
13817991411,2cyclictest0-21swapper/108:40:181
1381799140,3cyclictest27747-21sh11:20:251
1381799140,2cyclictest0-21swapper/110:23:081
1381799140,13cyclictest0-21swapper/109:35:181
1381799140,12cyclictest0-21swapper/111:30:111
1381799140,12cyclictest0-21swapper/111:11:011
1381799140,12cyclictest0-21swapper/107:35:101
1381699141,2cyclictest16848-21ssh09:29:300
13816991411,2cyclictest0-21swapper/011:25:240
13816991411,2cyclictest0-21swapper/011:15:540
1381699140,2cyclictest0-21swapper/009:00:120
1381699140,13cyclictest0-21swapper/011:00:540
1381699140,13cyclictest0-21swapper/010:51:440
1381699140,13cyclictest0-21swapper/010:06:040
1381699140,12cyclictest7569-21sed08:11:030
1381699140,12cyclictest3728-21runrttasks11:50:030
1381699140,12cyclictest27484-21ssh12:27:390
1381699140,12cyclictest0-21swapper/011:49:370
1381699140,12cyclictest0-21swapper/011:23:170
1381699140,12cyclictest0-21swapper/010:32:470
1381699140,12cyclictest0-21swapper/009:51:570
1381699140,12cyclictest0-21swapper/009:15:340
312082130,2sleep00-21swapper/011:58:020
279612130,3sleep227971-21ssh10:47:172
150612131,8sleep30-21swapper/312:15:123
1381999130,2cyclictest0-21swapper/309:23:233
1381999130,2cyclictest0-21swapper/309:09:043
1381899131,6cyclictest0-21swapper/210:35:002
13818991310,2cyclictest0-21swapper/211:41:492
13818991310,2cyclictest0-21swapper/211:02:092
1381899130,2cyclictest0-21swapper/209:41:092
1381899130,12cyclictest0-21swapper/211:30:192
1381899130,11cyclictest0-21swapper/210:41:592
1381799131,2cyclictest19702-21cut11:45:391
13817991310,2cyclictest21776-21kworker/u8:211:06:011
13817991310,2cyclictest0-21swapper/112:23:181
13817991310,2cyclictest0-21swapper/110:53:251
13817991310,2cyclictest0-21swapper/110:01:571
13817991310,2cyclictest0-21swapper/109:30:181
1381799130,2cyclictest13481-21sed09:25:171
1381799130,2cyclictest0-21swapper/110:27:211
1381799130,2cyclictest0-21swapper/110:05:181
1381799130,12cyclictest0-21swapper/110:11:011
1381799130,12cyclictest0-21swapper/108:50:151
1381799130,11cyclictest0-21swapper/112:31:571
1381799130,11cyclictest0-21swapper/109:46:501
1381799130,11cyclictest0-21swapper/109:20:501
1381699138,3cyclictest5921-21hddtemp_smartct12:05:140
1381699138,3cyclictest5921-21hddtemp_smartct12:05:140
13816991310,2cyclictest0-21swapper/011:40:070
13816991310,2cyclictest0-21swapper/009:33:540
13816991310,2cyclictest0-21swapper/007:20:130
1381699130,3cyclictest25491-21ssh09:37:560
1381699130,2cyclictest0-21swapper/012:16:440
1381699130,2cyclictest0-21swapper/010:48:040
1381699130,12cyclictest30182-21diskmemload11:38:340
1381699130,12cyclictest0-21swapper/012:12:540
1381699130,12cyclictest0-21swapper/012:01:240
1381699130,12cyclictest0-21swapper/011:34:440
1381699130,12cyclictest0-21swapper/011:12:140
1381699130,12cyclictest0-21swapper/010:00:040
1381699130,12cyclictest0-21swapper/009:58:040
1381699130,11cyclictest0-21swapper/010:25:340
233052120,2sleep10-21swapper/111:50:131
218802120,1sleep00-21swapper/012:21:230
14542120,2sleep130182-21diskmemload12:00:231
1381999120,11cyclictest0-21swapper/308:40:173
1381999120,11cyclictest0-21swapper/308:40:173
1381899122,7cyclictest0-21swapper/208:27:592
1381899120,2cyclictest0-21swapper/207:46:002
1381899120,2cyclictest0-21swapper/207:30:482
1381899120,11cyclictest0-21swapper/210:24:202
1381899120,11cyclictest0-21swapper/210:18:492
1381899120,11cyclictest0-21swapper/209:54:042
1381899120,11cyclictest0-21swapper/209:33:302
1381799129,2cyclictest0-21swapper/112:25:151
1381799129,2cyclictest0-21swapper/112:10:131
1381799129,2cyclictest0-21swapper/110:56:171
1381799129,2cyclictest0-21swapper/110:32:561
1381799129,2cyclictest0-21swapper/109:16:241
1381799129,2cyclictest0-21swapper/109:10:471
1381799120,2cyclictest0-21swapper/110:16:381
1381799120,2cyclictest0-21swapper/108:35:141
1381799120,2cyclictest0-21swapper/108:35:141
1381799120,2cyclictest0-21swapper/108:30:121
1381799120,2cyclictest0-21swapper/108:30:121
1381799120,11cyclictest30182-21diskmemload12:18:271
1381799120,11cyclictest0-21swapper/112:08:071
1381799120,11cyclictest0-21swapper/112:08:061
1381799120,11cyclictest0-21swapper/111:39:081
1381799120,11cyclictest0-21swapper/108:00:151
1381799120,10cyclictest0-21swapper/110:40:161
1381799120,10cyclictest0-21swapper/107:10:121
1381699129,2cyclictest12154-21ssh11:05:100
1381699129,2cyclictest0-21swapper/010:40:170
1381699129,2cyclictest0-21swapper/008:51:000
1381699129,2cyclictest0-21swapper/008:41:040
1381699129,2cyclictest0-21swapper/008:41:040
1381699129,2cyclictest0-21swapper/008:05:130
1381699129,2cyclictest0-21swapper/007:40:000
1381699129,2cyclictest0-21swapper/007:30:160
1381699122,6cyclictest0-21swapper/007:56:020
1381699120,2cyclictest0-21swapper/012:35:110
1381699120,2cyclictest0-21swapper/008:15:140
1381699120,11cyclictest0-21swapper/010:21:530
1381699120,11cyclictest0-21swapper/009:46:060
1381899112,6cyclictest0-21swapper/208:34:002
1381899112,6cyclictest0-21swapper/208:33:592
1381899110,7cyclictest0-21swapper/209:06:042
1381799118,2cyclictest0-21swapper/111:16:011
1381799118,2cyclictest0-21swapper/108:25:171
1381799110,9cyclictest0-21swapper/107:50:141
1381799110,10cyclictest0-21swapper/107:25:141
1381699118,2cyclictest0-21swapper/007:25:180
1381699112,6cyclictest0-21swapper/007:53:020
1381899103,5cyclictest0-21swapper/208:41:002
1381899103,5cyclictest0-21swapper/208:41:002
1381899101,6cyclictest0-21swapper/208:50:582
1381799106,2cyclictest0-21swapper/108:55:191
1381799103,6cyclictest0-21swapper/108:48:541
1381799102,7cyclictest0-21swapper/108:10:021
1381799101,6cyclictest4556-21metacity07:23:581
1381799100,9cyclictest0-21swapper/107:45:271
1381799100,8cyclictest0-21swapper/109:05:171
1381799100,8cyclictest0-21swapper/107:40:121
1381799100,8cyclictest0-21swapper/107:30:591
1381799100,7cyclictest0-21swapper/108:22:581
1381799100,3cyclictest16036-21munin-node1
1381799100,2cyclictest0-21swapper/108:15:141
1381799100,2cyclictest0-21swapper/107:55:141
1381699107,2cyclictest0-21swapper/008:00:150
138199994,3cyclictest16262-21cpuspeed_turbos07:15:133
138179990,8cyclictest0-21swapper/109:00:111
138169996,2cyclictest0-21swapper/008:45:160
138169996,2cyclictest0-21swapper/007:46:000
138169996,2cyclictest0-21swapper/007:38:280
138169995,3cyclictest28139-21apt-get09:05:060
138169991,6cyclictest0-21swapper/008:23:480
138169983,3cyclictest16515-21cut07:15:140
138169983,3cyclictest14840-21cat07:10:160
138169983,3cyclictest14473-21grep08:30:130
138169983,3cyclictest14473-21grep08:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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