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2026-04-14 - 09:49

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 Tue Apr 14, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2646211693,18sleep00-21swapper/019:07:130
2572211493,16sleep20-21swapper/219:06:182
28522112101,6sleep30-21swapper/319:09:513
2586210784,18sleep10-21swapper/119:06:301
116532820,0sleep00-21swapper/000:25:100
212362780,0sleep30-21swapper/300:00:403
205432780,1sleep320544-21sh21:45:163
226542770,1sleep10-21swapper/121:13:361
231952740,0sleep00-21swapper/000:36:050
176562740,0sleep2301ktimersoftd/222:50:132
96212720,0sleep20-21swapper/223:15:142
93382720,0sleep10-21swapper/121:34:241
181412720,0sleep20-21swapper/222:16:182
152142710,0sleep30-21swapper/323:20:283
269972700,0sleep30-21swapper/320:10:013
116212690,0sleep00-21swapper/023:50:430
97512680,0sleep20-21swapper/223:49:412
164542310,1sleep20-21swapper/222:49:012
135752240,1sleep213577-21ssh22:11:422
289999221,19cyclictest0-21swapper/320:10:093
289999220,20cyclictest39-21ksoftirqd/322:35:143
289899222,18cyclictest0-21swapper/223:00:132
289999210,19cyclictest0-21swapper/322:55:103
289999201,2cyclictest0-21swapper/322:00:123
289999201,2cyclictest0-21swapper/322:00:123
289999200,1cyclictest0-21swapper/320:50:123
2898992016,2cyclictest0-21swapper/219:25:102
289899200,19cyclictest0-21swapper/220:20:122
289999190,2cyclictest0-21swapper/323:25:113
294422180,0sleep00-21swapper/021:55:110
289799181,2cyclictest0-21swapper/121:53:041
289799180,13cyclictest0-21swapper/123:52:041
2896991813,3cyclictest9231-21ssh23:15:130
289899174,2cyclictest0-21swapper/223:22:012
2898991714,2cyclictest433-21kworker/u8:221:30:042
289799170,2cyclictest0-21swapper/122:49:041
289799170,12cyclictest0-21swapper/100:30:011
289699170,15cyclictest0-21swapper/019:55:120
244552170,1sleep2301ktimersoftd/200:37:592
289999161,13cyclictest0-21swapper/323:45:453
289899163,2cyclictest24266-21copy21:50:042
2898991613,2cyclictest12407-21kworker/u8:121:45:052
2897991613,2cyclictest27370-21kworker/u8:100:13:041
2897991613,2cyclictest27370-21kworker/u8:100:08:051
289799160,2cyclictest0-21swapper/121:29:041
289799160,15cyclictest0-21swapper/119:34:051
289799160,15cyclictest0-21swapper/100:22:041
289799160,12cyclictest0-21swapper/122:27:051
289699161,3cyclictest0-21swapper/022:10:140
144972160,1sleep20-21swapper/219:36:012
289999151,3cyclictest31968-21ssh22:30:573
2899991510,3cyclictest0-21swapper/300:26:093
289999150,13cyclictest0-21swapper/323:51:523
289899152,2cyclictest0-21swapper/223:44:042
289899152,2cyclictest0-21swapper/222:41:042
2898991512,2cyclictest6837-21kworker/u8:122:55:042
289899151,12cyclictest0-21swapper/223:37:562
289899150,13cyclictest25885-21ssh21:16:442
289899150,13cyclictest1205-21sh00:14:302
289899150,13cyclictest0-21swapper/222:26:592
289899150,13cyclictest0-21swapper/221:41:042
289899150,13cyclictest0-21swapper/200:09:452
289799151,2cyclictest0-21swapper/123:26:041
2897991512,2cyclictest0-21swapper/122:34:311
289799151,12cyclictest9727-21apt-get21:35:061
289799151,12cyclictest14804-21copy23:55:031
289799150,14cyclictest0-21swapper/122:57:041
289799150,13cyclictest0-21swapper/122:37:511
289799150,11cyclictest0-21swapper/121:44:041
2896991510,3cyclictest0-21swapper/022:20:560
289699150,13cyclictest0-21swapper/023:05:000
289999149,3cyclictest7922-21ssh23:13:293
289999149,3cyclictest27336-21ssh23:33:473
289999145,6cyclictest2895-21cyclictest20:16:023
2899991411,2cyclictest39-21ksoftirqd/321:16:553
2899991411,2cyclictest381ktimersoftd/320:25:123
289999140,3cyclictest10862-21switchtime23:16:033
289999140,2cyclictest0-21swapper/322:28:323
289999140,2cyclictest0-21swapper/300:16:123
289899146,6cyclictest9561-21ssh22:07:542
289899146,6cyclictest9561-21ssh22:07:542
2898991411,2cyclictest0-21swapper/223:30:152
289899140,2cyclictest18732-21diskmemload23:58:052
289899140,2cyclictest0-21swapper/221:27:062
289899140,2cyclictest0-21swapper/221:00:172
289899140,12cyclictest6932-21ssh23:11:572
289899140,12cyclictest0-21swapper/223:29:082
289899140,12cyclictest0-21swapper/222:33:582
289899140,12cyclictest0-21swapper/220:40:132
289899140,12cyclictest0-21swapper/220:25:122
289899140,12cyclictest0-21swapper/200:32:332
289899140,11cyclictest5088-21ssh22:02:572
289899140,11cyclictest5088-21ssh22:02:572
2897991411,2cyclictest6837-21kworker/u8:122:52:041
2897991411,2cyclictest0-21swapper/123:45:011
2897991411,2cyclictest0-21swapper/122:43:311
2897991411,2cyclictest0-21swapper/100:01:211
2897991410,2cyclictest0-21swapper/100:16:581
289799140,9cyclictest0-21swapper/122:23:041
289799140,9cyclictest0-21swapper/100:35:041
289799140,2cyclictest18732-21diskmemload23:42:411
289799140,2cyclictest0-21swapper/119:43:041
289799140,13cyclictest0-21swapper/123:14:041
289799140,12cyclictest2087-21df_abs22:00:141
289799140,12cyclictest2087-21df_abs22:00:141
289799140,12cyclictest0-21swapper/121:20:051
289699149,3cyclictest16509-21ssh22:49:050
289699149,3cyclictest0-21swapper/021:20:410
289699141,2cyclictest17399-21munin-node0
289699140,3cyclictest0-21swapper/021:25:220
289699140,12cyclictest23708-21ssh23:30:120
289699140,12cyclictest0-21swapper/021:40:140
289699140,12cyclictest0-21swapper/021:10:130
22152140,2sleep30-21swapper/323:40:493
79512130,2sleep00-21swapper/023:13:330
75572130,2sleep00-21swapper/023:46:150
289999138,3cyclictest905-21ssh23:05:573
289999132,8cyclictest21073-21ssh00:35:003
289999132,6cyclictest0-21swapper/323:00:003
289999132,6cyclictest0-21swapper/321:10:013
289999132,6cyclictest0-21swapper/319:15:003
2899991310,2cyclictest0-21swapper/323:38:123
2899991310,2cyclictest0-21swapper/322:44:123
2899991310,2cyclictest0-21swapper/321:50:173
289999130,12cyclictest0-21swapper/300:31:223
289999130,12cyclictest0-21swapper/300:10:183
289899132,6cyclictest0-21swapper/220:35:012
2898991310,2cyclictest4903-21kworker/u8:120:03:042
2898991310,2cyclictest27370-21kworker/u8:100:15:052
2898991310,2cyclictest2373-21kworker/u8:021:10:012
2898991310,2cyclictest10277-21kworker/u8:022:37:052
2898991310,2cyclictest0-21swapper/221:22:522
2898991310,2cyclictest0-21swapper/200:21:072
289899130,2cyclictest0-21swapper/223:05:162
289899130,2cyclictest0-21swapper/222:20:042
289899130,2cyclictest0-21swapper/221:35:022
289899130,2cyclictest0-21swapper/219:15:132
289899130,12cyclictest0-21swapper/219:11:042
289899130,12cyclictest0-21swapper/200:01:262
289799138,3cyclictest7568-21tr19:20:111
289799135,5cyclictest0-21swapper/119:17:581
2897991310,2cyclictest0-21swapper/123:16:041
2897991310,2cyclictest0-21swapper/122:15:001
2897991310,2cyclictest0-21swapper/120:25:121
2897991310,2cyclictest0-21swapper/120:15:131
289799130,2cyclictest0-21swapper/123:05:311
289799130,2cyclictest0-21swapper/121:47:051
289799130,2cyclictest0-21swapper/120:20:171
289799130,2cyclictest0-21swapper/120:07:041
289799130,12cyclictest0-21swapper/123:36:011
289799130,12cyclictest0-21swapper/121:55:041
289799130,12cyclictest0-21swapper/120:35:191
289799130,12cyclictest0-21swapper/119:35:501
289799130,11cyclictest10896-21munin-node1
289699131,10cyclictest0-21swapper/022:37:230
2896991310,2cyclictest0-21swapper/023:20:070
2896991310,2cyclictest0-21swapper/020:10:090
289699130,2cyclictest105742sleep022:09:300
289699130,2cyclictest105742sleep022:09:300
289699130,2cyclictest0-21swapper/021:30:180
289699130,11cyclictest1453-21smartctl23:40:190
289699130,11cyclictest0-21swapper/023:35:320
289699130,11cyclictest0-21swapper/000:06:180
258442130,2sleep00-21swapper/022:58:420
152922131,3sleep10-21swapper/121:00:151
142922130,2sleep30-21swapper/321:39:363
140112130,1sleep00-21swapper/021:39:100
289999129,2cyclictest0-21swapper/323:57:003
289999129,2cyclictest0-21swapper/322:16:263
289999129,2cyclictest0-21swapper/321:40:063
289999129,2cyclictest0-21swapper/321:30:123
289999129,2cyclictest0-21swapper/321:23:573
289999129,2cyclictest0-21swapper/321:10:593
289999123,6cyclictest39-21ksoftirqd/319:23:013
289999120,2cyclictest18732-21diskmemload22:07:173
289999120,2cyclictest18732-21diskmemload22:07:173
289999120,2cyclictest0-21swapper/322:11:523
289999120,2cyclictest0-21swapper/319:40:163
289999120,2cyclictest0-21swapper/300:06:163
289999120,1cyclictest0-21swapper/321:55:123
289999120,11cyclictest0-21swapper/322:50:193
289999120,11cyclictest0-21swapper/322:49:203
289999120,11cyclictest0-21swapper/322:21:333
289999120,11cyclictest0-21swapper/321:27:583
289999120,11cyclictest0-21swapper/319:35:183
289999120,11cyclictest0-21swapper/319:25:163
289999120,11cyclictest0-21swapper/300:20:323
289899129,2cyclictest29205-21kworker/u8:220:39:042
289899129,2cyclictest0-21swapper/200:26:012
289899120,7cyclictest0-21swapper/220:47:042
289899120,2cyclictest0-21swapper/220:55:142
289899120,2cyclictest0-21swapper/220:51:012
289899120,11cyclictest0-21swapper/223:52:202
289899120,11cyclictest0-21swapper/221:57:002
289899120,11cyclictest0-21swapper/219:45:162
289799129,2cyclictest4903-21kworker/u8:119:13:041
289799129,2cyclictest10934-21kworker/u8:200:26:041
289799129,2cyclictest0-21swapper/121:15:251
289799129,2cyclictest0-21swapper/120:55:161
289799129,2cyclictest0-21swapper/120:00:111
289799120,2cyclictest0-21swapper/122:16:111
289799120,2cyclictest0-21swapper/122:05:051
289799120,2cyclictest0-21swapper/122:05:041
289799120,2cyclictest0-21swapper/120:48:041
289799120,2cyclictest0-21swapper/120:30:051
289799120,2cyclictest0-21swapper/119:58:051
289799120,11cyclictest0-21swapper/123:31:041
289799120,11cyclictest0-21swapper/123:20:141
289799120,11cyclictest0-21swapper/123:00:191
289799120,11cyclictest0-21swapper/119:50:121
289699129,2cyclictest18732-21diskmemload23:25:550
289699129,2cyclictest0-21swapper/022:50:170
289699129,2cyclictest0-21swapper/022:44:020
289699129,2cyclictest0-21swapper/022:30:240
289699129,2cyclictest0-21swapper/022:16:010
289699129,2cyclictest0-21swapper/020:25:120
289699129,2cyclictest0-21swapper/020:21:060
289699129,2cyclictest0-21swapper/019:40:160
289699129,2cyclictest0-21swapper/019:10:160
289699129,2cyclictest0-21swapper/000:24:120
289699129,2cyclictest0-21swapper/000:13:110
289699120,2cyclictest0-21swapper/023:55:370
289699120,2cyclictest0-21swapper/021:17:230
289699120,11cyclictest0-21swapper/023:00:150
289699120,11cyclictest0-21swapper/021:54:540
289699120,11cyclictest0-21swapper/021:46:390
289699120,11cyclictest0-21swapper/021:00:510
289699120,11cyclictest0-21swapper/020:51:030
289699120,11cyclictest0-21swapper/000:15:450
289699120,11cyclictest0-21swapper/000:00:310
299342110,1sleep00-21swapper/020:15:190
289999118,2cyclictest0-21swapper/319:45:123
289999116,3cyclictest274-21jbd2/sda1-820:31:033
289999111,6cyclictest0-21swapper/320:40:123
289899118,2cyclictest7437-21kworker/u8:219:32:042
289899118,2cyclictest27100-21kworker/u8:120:12:042
289899118,2cyclictest0-21swapper/220:15:182
289899118,2cyclictest0-21swapper/219:40:132
289899111,6cyclictest0-21swapper/221:06:202
289899110,10cyclictest0-21swapper/219:50:002
289799118,2cyclictest2373-21kworker/u8:020:43:041
289799110,9cyclictest0-21swapper/119:26:011
289699118,2cyclictest0-21swapper/022:03:060
289699118,2cyclictest0-21swapper/022:03:050
289699118,2cyclictest0-21swapper/019:26:020
289699118,2cyclictest0-21swapper/000:30:400
289699112,6cyclictest0-21swapper/019:31:020
289699111,6cyclictest0-21swapper/019:20:000
289699110,2cyclictest0-21swapper/022:25:430
289699110,10cyclictest13160-21copy19:35:040
289999107,2cyclictest3649-21snmpd21:01:193
289999105,3cyclictest31471-21df20:20:143
289999100,8cyclictest11633-21sh19:30:143
289799106,2cyclictest0-21swapper/120:10:111
289799102,5cyclictest4562-21gdm-simple-gree21:08:581
289699107,2cyclictest0-21swapper/020:45:190
289699103,6cyclictest0-21swapper/020:56:180
289699101,5cyclictest0-21swapper/020:35:000
289699101,5cyclictest0-21swapper/019:55:000
289699100,8cyclictest179922sleep021:05:490
28999996,2cyclictest381ktimersoftd/319:54:593
28999994,3cyclictest8942-21basename20:45:133
28999994,3cyclictest6818-21sshd19:16:553
28999994,3cyclictest6247-21grep20:36:043
28999994,3cyclictest3728-21runrttasks20:56:033
28999994,3cyclictest0-21swapper/320:00:133
28999994,3cyclictest0-21swapper/319:55:173
28989994,3cyclictest3127-21nscd20:10:002
28989993,2cyclictest0-21swapper/219:20:122
28979991,6cyclictest17399-21munin-node1
28969990,8cyclictest0-21swapper/019:24:570
28989985,2cyclictest0-21swapper/219:55:022
28969985,2cyclictest0-21swapper/020:00:140
28969983,3cyclictest7592-21cat20:40:160
28969983,3cyclictest25806-21latency20:05:160
28969982,5cyclictest0-21swapper/020:30:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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