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2026-07-11 - 03:03

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 Sat Jul 11, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14985211195,11sleep10-21swapper/119:06:241
15183210897,6sleep20-21swapper/219:08:572
14969210679,22sleep00-21swapper/019:06:110
15082210386,12sleep30-21swapper/319:07:383
107472700,0sleep10-21swapper/100:10:361
65682690,1sleep10-21swapper/123:32:241
97032220,1sleep2301ktimersoftd/221:20:142
1530099201,2cyclictest0-21swapper/222:50:112
15301991815,2cyclictest5597-21kworker/u8:020:23:043
1529599180,16cyclictest0-21swapper/020:50:100
15301991714,2cyclictest9094-21kworker/u8:023:09:043
15301991714,2cyclictest9027-21kworker/u8:221:26:043
15301991714,2cyclictest7251-21kworker/u8:200:09:053
15301991714,2cyclictest689-21kworker/u8:221:46:043
15301991714,2cyclictest31753-21kworker/u8:121:24:043
15301991714,2cyclictest27127-21kworker/u8:022:17:043
15301991714,2cyclictest25583-21kworker/u8:020:59:043
15301991714,2cyclictest23492-21kworker/u8:023:57:043
15301991714,2cyclictest21098-21kworker/u8:200:22:013
15301991714,2cyclictest21034-21kworker/u8:221:34:013
15301991714,2cyclictest10519-21kworker/u8:119:28:023
15297991714,2cyclictest689-21kworker/u8:221:56:041
1529599170,3cyclictest0-21swapper/023:56:030
15301991613,2cyclictest9094-21kworker/u8:023:18:043
15301991613,2cyclictest9094-21kworker/u8:023:12:053
15301991613,2cyclictest5597-21kworker/u8:020:25:043
15301991613,2cyclictest31450-21diskmemload23:50:043
15301991613,2cyclictest29364-21kworker/u8:220:02:043
15301991613,2cyclictest29364-21kworker/u8:219:59:043
15301991613,2cyclictest26699-21kworker/u8:100:31:053
15301991613,2cyclictest25583-21kworker/u8:021:16:043
15301991613,2cyclictest21034-21kworker/u8:221:36:053
15301991613,2cyclictest19356-21kworker/u8:122:32:043
15301991613,2cyclictest17540-21kworker/u8:219:22:043
15301991613,2cyclictest10793-21kworker/u8:022:42:043
15301991613,2cyclictest10519-21kworker/u8:119:15:043
15301991612,3cyclictest5597-21kworker/u8:020:11:043
15297991613,2cyclictest9605-21kworker/u8:000:24:051
15297991613,2cyclictest29089-21kworker/u8:122:57:041
15297991613,2cyclictest25583-21kworker/u8:021:12:041
15297991613,2cyclictest1665-21kworker/u8:222:22:041
1529599163,9cyclictest14960-21ssh23:41:020
15301991512,2cyclictest7251-21kworker/u8:223:43:043
15301991512,2cyclictest689-21kworker/u8:222:10:043
15301991512,2cyclictest689-21kworker/u8:222:08:043
15301991512,2cyclictest5597-21kworker/u8:020:39:043
15301991512,2cyclictest31670-21kworker/u8:000:37:043
15301991512,2cyclictest30374-21kworker/u8:100:04:043
15301991512,2cyclictest29089-21kworker/u8:122:55:043
15301991512,2cyclictest28642-21kworker/u8:123:24:053
15301991512,2cyclictest26780-21kworker/u8:121:42:013
15301991512,2cyclictest26780-21kworker/u8:121:42:013
15301991512,2cyclictest18448-21kworker/u8:222:37:043
15301991512,2cyclictest10519-21kworker/u8:119:11:043
1530199151,12cyclictest2066-21fschecks_count22:20:143
15300991510,3cyclictest460-21cat00:35:002
15297991512,2cyclictest9094-21kworker/u8:023:10:011
15297991512,2cyclictest5597-21kworker/u8:020:08:041
15297991512,2cyclictest27127-21kworker/u8:022:14:041
15297991512,2cyclictest26780-21kworker/u8:121:44:041
15297991512,2cyclictest26780-21kworker/u8:121:44:041
15297991512,2cyclictest17540-21kworker/u8:219:17:051
15297991512,2cyclictest15023-21kworker/u8:121:02:041
1529799150,13cyclictest0-21swapper/123:28:451
1529799150,13cyclictest0-21swapper/122:05:151
1529799150,13cyclictest0-21swapper/121:32:551
1529799150,13cyclictest0-21swapper/119:10:041
1529599151,12cyclictest6278-21apt-get22:25:060
1529599150,13cyclictest0-21swapper/000:05:050
298812140,2sleep00-21swapper/022:15:160
15301991411,2cyclictest23754-21kworker/u8:019:47:043
15301991411,2cyclictest19573-21kworker/u8:220:49:043
15301991411,2cyclictest10519-21kworker/u8:119:36:013
15301991411,2cyclictest10519-21kworker/u8:119:30:043
15301991411,2cyclictest0-21swapper/319:40:093
15301991410,3cyclictest29364-21kworker/u8:219:50:053
1530199140,2cyclictest0-21swapper/321:56:043
1530199140,2cyclictest0-21swapper/321:12:043
1530099149,3cyclictest0-21swapper/223:16:012
1530099149,3cyclictest0-21swapper/219:15:122
1530099142,7cyclictest18771-21ssh00:20:002
15297991411,2cyclictest7251-21kworker/u8:223:54:011
15297991411,2cyclictest2632-21kworker/u8:223:01:041
15297991411,2cyclictest25583-21kworker/u8:021:17:041
15297991411,2cyclictest23754-21kworker/u8:019:32:041
15297991411,2cyclictest19573-21kworker/u8:220:47:041
15297991411,2cyclictest15023-21kworker/u8:120:34:041
15297991411,2cyclictest0-21swapper/123:45:181
15297991411,2cyclictest0-21swapper/123:35:001
15297991411,2cyclictest0-21swapper/122:34:051
1529799141,12cyclictest0-21swapper/121:54:451
15297991411,2cyclictest0-21swapper/100:15:351
15297991411,2cyclictest0-21swapper/100:05:151
1529799140,2cyclictest0-21swapper/122:40:251
1529799140,13cyclictest0-21swapper/121:36:251
1529799140,13cyclictest0-21swapper/121:26:051
1529799140,13cyclictest0-21swapper/100:28:351
1529799140,12cyclictest31674-21apt-get19:50:101
1529799140,12cyclictest0-21swapper/123:56:051
1529799140,12cyclictest0-21swapper/122:46:081
1529799140,12cyclictest0-21swapper/122:25:201
1529799140,12cyclictest0-21swapper/119:20:411
1529599149,3cyclictest15171-21ssh22:34:190
1529599142,7cyclictest30921-21ssh23:25:000
15295991410,2cyclictest0-21swapper/023:04:400
1529599140,12cyclictest17562-21ssh00:18:180
1529599140,12cyclictest0-21swapper/022:06:050
260482130,2sleep00-21swapper/000:26:390
1530199130,2cyclictest0-21swapper/321:02:043
1530199130,2cyclictest0-21swapper/320:08:043
1530199130,12cyclictest0-21swapper/323:26:013
1530099132,6cyclictest0-21swapper/223:20:002
15300991310,2cyclictest0-21swapper/223:50:112
1530099130,2cyclictest0-21swapper/223:35:102
1530099130,2cyclictest0-21swapper/222:26:022
1530099130,12cyclictest0-21swapper/222:12:432
1530099130,12cyclictest0-21swapper/221:35:132
1530099130,11cyclictest1503-21switchtime00:01:022
1530099130,11cyclictest0-21swapper/221:10:132
15297991310,2cyclictest5597-21kworker/u8:020:10:041
15297991310,2cyclictest25583-21kworker/u8:021:05:041
15297991310,2cyclictest19573-21kworker/u8:220:55:041
15297991310,2cyclictest17540-21kworker/u8:219:25:041
15297991310,2cyclictest0-21swapper/123:40:321
15297991310,2cyclictest0-21swapper/123:20:121
15297991310,2cyclictest0-21swapper/123:08:141
15297991310,2cyclictest0-21swapper/122:50:121
15297991310,2cyclictest0-21swapper/122:39:231
15297991310,2cyclictest0-21swapper/119:45:201
15297991310,2cyclictest0-21swapper/100:35:151
1529799130,2cyclictest0-21swapper/122:15:301
1529799130,2cyclictest0-21swapper/121:20:171
1529799130,2cyclictest0-21swapper/100:00:401
1529799130,12cyclictest0-21swapper/121:45:251
1529799130,12cyclictest0-21swapper/100:30:131
1529799130,11cyclictest0-21swapper/120:25:391
1529599131,9cyclictest1341-21ssh23:26:580
15295991310,2cyclictest16788-21ssh21:27:270
15295991310,2cyclictest0-21swapper/023:16:080
15295991310,2cyclictest0-21swapper/022:37:250
15295991310,2cyclictest0-21swapper/022:21:300
15295991310,2cyclictest0-21swapper/022:14:580
15295991310,2cyclictest0-21swapper/021:46:550
15295991310,2cyclictest0-21swapper/021:32:560
15295991310,2cyclictest0-21swapper/021:19:280
15295991310,2cyclictest0-21swapper/021:00:110
15295991310,2cyclictest0-21swapper/020:55:130
15295991310,2cyclictest0-21swapper/019:55:180
15295991310,2cyclictest0-21swapper/000:32:230
15295991310,2cyclictest0-21swapper/000:21:030
15295991310,2cyclictest0-21swapper/000:13:510
1529599130,2cyclictest0-21swapper/023:36:350
1529599130,2cyclictest0-21swapper/021:57:000
1529599130,2cyclictest0-21swapper/021:36:050
1529599130,2cyclictest0-21swapper/020:15:000
1529599130,12cyclictest0-21swapper/023:30:060
1529599130,12cyclictest0-21swapper/021:24:210
1529599130,11cyclictest0-21swapper/022:55:120
1529599130,11cyclictest0-21swapper/000:01:150
1530199129,2cyclictest9292-21timerandwakeup23:01:043
1530199129,2cyclictest7251-21kworker/u8:223:35:043
1530199129,2cyclictest29089-21kworker/u8:122:54:043
1530199120,11cyclictest26975-21ssh00:28:093
1530199120,11cyclictest0-21swapper/300:15:043
1530199120,10cyclictest0-21swapper/323:47:043
1530099129,2cyclictest31450-21diskmemload21:50:492
1530099129,2cyclictest0-21swapper/220:30:162
1530099127,3cyclictest0-21swapper/221:15:182
1530099127,3cyclictest0-21swapper/220:00:432
1530099122,7cyclictest0-21swapper/220:52:582
1530099122,5cyclictest0-21swapper/223:15:002
1530099121,10cyclictest15294-21cyclictest23:32:052
1530099120,3cyclictest0-21swapper/221:33:382
1530099120,2cyclictest5502-21ssh00:05:172
1530099120,2cyclictest31450-21diskmemload00:10:102
1530099120,11cyclictest0-21swapper/222:04:102
1529799129,2cyclictest31657-21kworker/u8:120:19:041
1529799129,2cyclictest21100-21kworker/u8:223:16:041
1529799129,2cyclictest10519-21kworker/u8:119:39:041
1529799120,11cyclictest0-21swapper/122:00:041
1529599129,2cyclictest0-21swapper/022:50:300
1529599129,2cyclictest0-21swapper/022:40:130
1529599129,2cyclictest0-21swapper/020:30:110
1529599120,2cyclictest0-21swapper/023:12:160
1529599120,2cyclictest0-21swapper/019:51:020
1529599120,2cyclictest0-21swapper/019:41:020
1529599120,11cyclictest0-21swapper/023:54:210
1529599120,11cyclictest0-21swapper/023:45:050
1529599120,11cyclictest0-21swapper/023:05:170
1529599120,11cyclictest0-21swapper/022:45:220
1529599120,11cyclictest0-21swapper/022:00:360
1529599120,11cyclictest0-21swapper/021:40:580
1529599120,11cyclictest0-21swapper/021:40:570
1529599120,11cyclictest0-21swapper/021:11:070
1529599120,11cyclictest0-21swapper/020:40:170
1529599120,11cyclictest0-21swapper/020:15:180
1529599120,10cyclictest0-21swapper/021:51:300
146932120,2sleep20-21swapper/222:33:342
84572110,2sleep30-21swapper/322:26:223
1530199118,2cyclictest0-21swapper/323:30:133
1530199110,9cyclictest0-21swapper/300:14:043
1530199110,3cyclictest6527-21ssh21:50:203
1530199110,2cyclictest0-21swapper/320:34:043
1530099118,2cyclictest15294-21cyclictest21:46:342
1530099116,3cyclictest7814-21grep23:00:132
1530099116,3cyclictest31097-21head21:06:042
1530099116,3cyclictest23346-21gpgv20:50:002
1530099116,3cyclictest18986-21needreboot23:45:162
1530099116,3cyclictest0-21swapper/200:40:002
1530099111,6cyclictest0-21swapper/220:10:142
1530099111,6cyclictest0-21swapper/220:05:112
1530099110,9cyclictest31450-21diskmemload23:06:292
1530099110,2cyclictest30549-21ssh22:15:392
1530099110,2cyclictest0-21swapper/223:44:352
1530099110,10cyclictest0-21swapper/223:55:142
1530099110,10cyclictest0-21swapper/223:26:402
1530099110,10cyclictest0-21swapper/222:57:032
1529799118,2cyclictest29364-21kworker/u8:220:01:041
1529799118,2cyclictest207150irq/24-eth119:40:141
1529799118,2cyclictest0-21swapper/120:50:101
1529799110,9cyclictest0-21swapper/119:55:141
1529799110,2cyclictest0-21swapper/120:23:041
1529599118,2cyclictest0-21swapper/021:05:050
1529599112,6cyclictest0-21swapper/020:26:580
1529599111,5cyclictest0-21swapper/019:15:000
1529599110,1cyclictest0-21swapper/020:36:020
1529599110,1cyclictest0-21swapper/020:00:170
1529599110,1cyclictest0-21swapper/000:35:190
175142100,1sleep20-21swapper/220:35:112
1530199107,2cyclictest0-21swapper/322:03:343
1530199100,9cyclictest0-21swapper/322:45:523
1530199100,2cyclictest0-21swapper/320:19:053
1530099107,2cyclictest0-21swapper/222:40:132
1530099107,2cyclictest0-21swapper/222:35:282
1530099107,2cyclictest0-21swapper/221:28:312
1530099102,7cyclictest0-21swapper/219:48:582
1530099101,6cyclictest0-21swapper/219:25:572
1530099101,5cyclictest0-21swapper/220:15:102
1530099100,9cyclictest28461-21ssh22:47:372
1530099100,9cyclictest0-21swapper/200:22:162
1530099100,6cyclictest0-21swapper/221:45:002
1530099100,6cyclictest0-21swapper/221:45:002
1530099100,6cyclictest0-21swapper/220:41:012
1530099100,3cyclictest0-21swapper/222:20:132
1530099100,2cyclictest0-21swapper/222:07:042
1530099100,2cyclictest0-21swapper/221:55:212
1530099100,2cyclictest0-21swapper/200:26:022
1529799107,2cyclictest0-21swapper/120:40:131
1529599107,2cyclictest0-21swapper/019:36:010
1529599107,2cyclictest0-21swapper/019:20:200
1529599106,2cyclictest23372-21apt-get19:30:040
1529599101,7cyclictest0-21swapper/020:05:230
153009994,3cyclictest3127-21nscd21:00:132
153009994,3cyclictest28365-21wc19:40:142
153009994,3cyclictest24146-21fschecks_time19:30:152
153009994,3cyclictest12093-21cut20:20:152
153009994,3cyclictest0-21swapper/220:25:162
153009990,8cyclictest0-21swapper/219:10:132
152979990,7cyclictest0-21swapper/120:35:111
152959996,2cyclictest0-21swapper/020:20:060
152959994,3cyclictest3728-21runrttasks19:18:110
152959994,3cyclictest3127-21nscd20:45:130
152959993,4cyclictest21879-21grep19:25:130
153019983,3cyclictest30366-21latency21:05:163
153019980,7cyclictest0-21swapper/320:40:133
153019980,2cyclictest0-21swapper/320:50:173
153009983,3cyclictest31721-21aten2.4_r3power19:50:112
153009983,3cyclictest25815-21grep20:55:122
153009983,3cyclictest25694-21tail19:35:122
153009983,3cyclictest20099-21grep19:20:152
153009980,6cyclictest1278-21cut19:55:122
152959980,2cyclictest0-21swapper/019:45:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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