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2026-06-07 - 17:53

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 Sun Jun 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2654821560,0sleep10-21swapper/111:16:591
226221420,0sleep00-21swapper/010:51:130
18636212097,18sleep00-21swapper/007:05:020
20243210694,6sleep20-21swapper/207:07:362
19652210386,12sleep30-21swapper/307:05:203
20371210089,6sleep10-21swapper/107:09:151
61342830,0sleep20-21swapper/209:45:172
9842770,0sleep30-21swapper/310:15:133
177052710,0sleep10-21swapper/112:18:281
78202700,1sleep2301ktimersoftd/211:31:452
249602680,0sleep30-21swapper/311:15:183
174812680,0sleep20-21swapper/211:42:382
239862230,0sleep20-21swapper/211:15:042
2046199213,2cyclictest0-21swapper/210:53:042
20461992017,2cyclictest32555-21kworker/u8:110:44:062
20462991916,2cyclictest28310-21kworker/u8:009:36:053
20462991916,2cyclictest2779-21kworker/u8:109:59:043
2046299190,2cyclictest0-21swapper/310:53:053
20461991916,2cyclictest3345-21kworker/u8:111:10:042
20461991915,3cyclictest22108-21kworker/u8:210:18:052
20460991916,2cyclictest15317-21kworker/u8:209:29:041
20461991815,2cyclictest8994-21kworker/u8:009:52:052
20461991815,2cyclictest8970-21kworker/u8:109:15:042
20461991815,2cyclictest29678-21kworker/u8:010:55:042
20461991815,2cyclictest21144-21kworker/u8:212:37:042
2046099180,2cyclictest0-21swapper/110:53:041
20462991714,2cyclictest22108-21kworker/u8:210:23:043
2046299171,3cyclictest30674-21ssh12:32:033
20461991714,2cyclictest2779-21kworker/u8:110:00:042
20461991714,2cyclictest22895-21kworker/u8:109:02:042
20461991714,2cyclictest22895-21kworker/u8:108:48:012
20461991714,2cyclictest21624-21kworker/u8:011:22:042
20461991714,2cyclictest18839-21kworker/u8:008:26:042
20461991714,2cyclictest15317-21kworker/u8:209:21:042
20461991714,2cyclictest14938-21kworker/u8:209:14:042
20461991714,2cyclictest14938-21kworker/u8:208:56:012
20461991714,2cyclictest14938-21kworker/u8:208:37:042
20461991714,2cyclictest14938-21kworker/u8:208:31:042
20461991714,2cyclictest14419-21kworker/u8:112:25:042
2046199170,15cyclictest0-21swapper/210:22:042
20460991714,2cyclictest27385-21kworker/u8:010:11:041
20462991613,2cyclictest26848-21kworker/u8:107:29:053
2046299161,13cyclictest21446-21ssh12:22:053
20461991613,2cyclictest824-21kworker/u8:211:54:012
20461991613,2cyclictest7664-21kworker/u8:312:07:042
20461991613,2cyclictest6788-21kworker/u8:011:37:042
20461991613,2cyclictest30433-21kworker/u8:007:48:042
20461991613,2cyclictest29678-21kworker/u8:010:46:052
20461991613,2cyclictest28310-21kworker/u8:009:37:042
20461991613,2cyclictest26502-21kworker/u8:012:32:012
20461991613,2cyclictest2514-21kworker/u8:108:17:052
20461991613,2cyclictest2514-21kworker/u8:108:05:042
20461991613,2cyclictest21386-21kworker/u8:309:28:042
20460991613,2cyclictest22108-21kworker/u8:210:07:041
20460991613,2cyclictest13585-21kworker/u8:211:14:041
2045999164,2cyclictest23828-21aten2.4-expect10:40:120
20459991613,2cyclictest824-21kworker/u8:211:52:040
20459991613,2cyclictest3345-21kworker/u8:111:08:010
2046299151,3cyclictest17696-21ssh12:18:273
2046299151,2cyclictest0-21swapper/308:21:013
20462991512,2cyclictest32555-21kworker/u8:110:26:053
20462991512,2cyclictest27385-21kworker/u8:010:14:013
20462991512,2cyclictest21744-21kworker/u8:012:00:053
20462991512,2cyclictest21144-21kworker/u8:212:38:013
20462991512,2cyclictest14938-21kworker/u8:209:10:043
20462991512,2cyclictest14741-21kworker/u8:111:47:043
20462991511,2cyclictest6555-21python10:56:013
2046299150,14cyclictest0-21swapper/311:54:523
2046299150,13cyclictest3682-21ssh09:43:153
2046299150,13cyclictest13591-21rm09:54:043
2046299150,13cyclictest11005-21ssh12:10:363
2046299150,13cyclictest0-21swapper/311:14:513
2046299150,13cyclictest0-21swapper/309:19:523
2046199151,2cyclictest17132-21sh11:08:022
20461991512,2cyclictest783-21kworker/u8:207:35:042
20461991512,2cyclictest783-21kworker/u8:207:20:042
20461991512,2cyclictest712-21kworker/u8:212:04:042
20461991512,2cyclictest26848-21kworker/u8:107:30:012
20461991512,2cyclictest2514-21kworker/u8:108:14:012
20461991512,2cyclictest22108-21kworker/u8:210:31:042
20461991512,2cyclictest15317-21kworker/u8:209:30:022
20461991512,2cyclictest15317-21kworker/u8:209:30:012
20461991512,2cyclictest14938-21kworker/u8:209:06:052
20461991512,2cyclictest14938-21kworker/u8:208:24:042
2046199150,2cyclictest0-21swapper/210:29:042
2046199150,14cyclictest4469-21diskmemload11:57:282
2046099151,3cyclictest24801-21uname11:50:191
20460991512,2cyclictest22108-21kworker/u8:210:24:051
20460991512,2cyclictest22108-21kworker/u8:210:04:051
2046099150,13cyclictest0-21swapper/111:40:101
2045999151,12cyclictest18379-21ssh09:59:190
2045999150,13cyclictest7214-21ssh12:06:200
2045999150,13cyclictest4469-21diskmemload09:33:400
2045999150,13cyclictest4469-21diskmemload09:33:400
2045999150,13cyclictest20957-21timerwakeupswit10:01:020
2045999150,13cyclictest0-21swapper/010:15:400
2045999150,13cyclictest0-21swapper/010:11:000
90172140,2sleep00-21swapper/010:23:560
20462991411,2cyclictest8994-21kworker/u8:010:01:053
20462991411,2cyclictest783-21kworker/u8:207:42:043
20462991411,2cyclictest783-21kworker/u8:207:32:043
20462991411,2cyclictest3345-21kworker/u8:111:00:043
20462991411,2cyclictest32555-21kworker/u8:110:41:043
20462991411,2cyclictest30433-21kworker/u8:007:51:053
20462991411,2cyclictest28017-21kworker/u8:111:26:043
20462991411,2cyclictest27923-21kworker/u8:111:57:043
20462991411,2cyclictest22317-21kworker/u8:007:24:043
20462991411,2cyclictest14938-21kworker/u8:209:08:053
20462991411,2cyclictest0-21swapper/312:26:153
20462991411,2cyclictest0-21swapper/311:36:023
20462991411,2cyclictest0-21swapper/311:08:023
20462991410,2cyclictest5942-21diskstats11:30:133
2046299140,2cyclictest0-21swapper/310:33:353
2046299140,2cyclictest0-21swapper/309:20:093
2046299140,12cyclictest18845-21apt-get08:25:103
2046299140,12cyclictest0-21swapper/310:45:023
2046299140,12cyclictest0-21swapper/308:45:123
20461991411,2cyclictest30433-21kworker/u8:007:52:052
20461991411,2cyclictest22895-21kworker/u8:108:51:042
20461991411,2cyclictest22895-21kworker/u8:108:40:052
2046199140,2cyclictest11244-21ssh12:10:582
2046199140,2cyclictest0-21swapper/211:27:472
2046199140,13cyclictest0-21swapper/211:04:472
2046199140,12cyclictest0-21swapper/209:58:042
2046199140,12cyclictest0-21swapper/207:41:042
20460991411,2cyclictest824-21kworker/u8:211:49:041
20460991411,2cyclictest6788-21kworker/u8:011:39:041
20460991411,2cyclictest28310-21kworker/u8:009:38:041
20460991411,2cyclictest22895-21kworker/u8:108:39:041
20460991411,2cyclictest14938-21kworker/u8:208:21:041
2046099140,2cyclictest0-21swapper/109:59:041
2046099140,13cyclictest0-21swapper/108:50:121
2046099140,13cyclictest0-21swapper/107:35:171
2046099140,12cyclictest0-21swapper/111:00:491
2046099140,12cyclictest0-21swapper/108:05:201
2046099140,12cyclictest0-21swapper/107:45:501
2046099140,12cyclictest0-21swapper/107:40:521
20459991411,2cyclictest824-21kworker/u8:211:44:040
20459991411,2cyclictest0-21swapper/010:08:410
20459991411,2cyclictest0-21swapper/009:24:210
20459991410,2cyclictest2692-21df07:45:130
2045999140,2cyclictest0-21swapper/010:37:300
2045999140,13cyclictest0-21swapper/011:58:000
2045999140,13cyclictest0-21swapper/009:42:410
2045999140,12cyclictest20544-21ssh12:21:000
2045999140,12cyclictest0-21swapper/009:13:290
20462991310,2cyclictest2514-21kworker/u8:108:15:053
20462991310,2cyclictest22317-21kworker/u8:007:14:013
20462991310,2cyclictest15317-21kworker/u8:209:32:053
20462991310,2cyclictest15317-21kworker/u8:209:32:043
20462991310,2cyclictest14938-21kworker/u8:208:33:043
20462991310,2cyclictest0-21swapper/312:06:163
20462991310,2cyclictest0-21swapper/310:35:083
20462991310,2cyclictest0-21swapper/309:45:053
20462991310,2cyclictest0-21swapper/308:55:003
20462991310,2cyclictest0-21swapper/308:05:163
2046299130,2cyclictest0-21swapper/311:20:263
2046299130,2cyclictest0-21swapper/308:36:023
2046299130,2cyclictest0-21swapper/307:45:143
2046299130,1cyclictest0-21swapper/308:50:123
2046299130,12cyclictest0-21swapper/311:40:233
2046299130,12cyclictest0-21swapper/309:26:233
2046299130,11cyclictest0-21swapper/310:05:043
20461991310,2cyclictest6790-21kworker/u8:207:59:042
20461991310,2cyclictest0-21swapper/210:35:392
2046199130,2cyclictest16549-21ssh12:16:322
2046199130,2cyclictest0-21swapper/212:21:072
2046199130,2cyclictest0-21swapper/210:11:112
2046199130,2cyclictest0-21swapper/208:04:042
2046199130,12cyclictest0-21swapper/211:46:292
2046199130,11cyclictest2468-21ssh09:41:222
2046099139,2cyclictest2779-21kworker/u8:109:50:051
2046099139,2cyclictest0-21swapper/111:21:041
20460991310,2cyclictest783-21kworker/u8:207:31:041
20460991310,2cyclictest3345-21kworker/u8:111:06:061
20460991310,2cyclictest32555-21kworker/u8:110:28:041
20460991310,2cyclictest27923-21kworker/u8:111:58:051
20460991310,2cyclictest2514-21kworker/u8:108:18:041
20460991310,2cyclictest22895-21kworker/u8:108:41:041
20460991310,2cyclictest2122-21kworker/u8:009:20:051
20460991310,2cyclictest21144-21kworker/u8:212:38:051
20460991310,2cyclictest18839-21kworker/u8:008:27:041
20460991310,2cyclictest14579-21kworker/u8:107:12:041
20460991310,2cyclictest0-21swapper/108:00:161
2046099130,2cyclictest0-21swapper/108:55:521
2046099130,12cyclictest4469-21diskmemload09:17:351
2046099130,12cyclictest0-21swapper/111:27:121
2046099130,12cyclictest0-21swapper/110:55:061
2046099130,11cyclictest28869-21awk12:30:161
20459991310,2cyclictest28017-21kworker/u8:111:20:020
20459991310,2cyclictest2514-21kworker/u8:108:09:050
20459991310,2cyclictest0-21swapper/012:00:300
20459991310,2cyclictest0-21swapper/011:48:320
20459991310,2cyclictest0-21swapper/011:35:170
20459991310,2cyclictest0-21swapper/011:29:010
20459991310,2cyclictest0-21swapper/010:30:110
20459991310,2cyclictest0-21swapper/009:36:000
20459991310,2cyclictest0-21swapper/008:30:130
20459991310,2cyclictest0-21swapper/007:35:000
20459991310,2cyclictest0-21swapper/007:25:170
2045999130,2cyclictest4469-21diskmemload12:39:020
2045999130,2cyclictest0-21swapper/010:58:010
2045999130,2cyclictest0-21swapper/009:19:500
2045999130,2cyclictest0-21swapper/007:20:110
2045999130,12cyclictest0-21swapper/012:32:300
2045999130,12cyclictest0-21swapper/012:15:200
2045999130,12cyclictest0-21swapper/012:10:320
2045999130,12cyclictest0-21swapper/011:30:200
2045999130,12cyclictest0-21swapper/010:48:000
2045999130,12cyclictest0-21swapper/009:45:100
2045999130,11cyclictest0-21swapper/011:00:220
2045999130,11cyclictest0-21swapper/010:25:460
2046299129,2cyclictest2514-21kworker/u8:108:12:043
2046299129,2cyclictest2514-21kworker/u8:108:00:043
2046299120,11cyclictest0-21swapper/307:56:033
2046299120,11cyclictest0-21swapper/307:15:183
2046199120,2cyclictest0-21swapper/207:18:042
2046199120,11cyclictest0-21swapper/210:05:182
2046099129,2cyclictest32555-21kworker/u8:110:40:051
2046099129,2cyclictest14419-21kworker/u8:112:20:051
2046099129,2cyclictest0-21swapper/112:08:521
2046099129,2cyclictest0-21swapper/107:25:171
2046099127,3cyclictest620-21cut09:40:131
2046099121,9cyclictest4547-21apt-get07:50:111
2046099121,3cyclictest5986-21cat09:45:171
2046099120,2cyclictest0-21swapper/112:25:161
2046099120,2cyclictest0-21swapper/110:31:261
2046099120,10cyclictest4469-21diskmemload10:35:581
2045999129,2cyclictest4469-21diskmemload11:16:270
2045999129,2cyclictest0-21swapper/011:11:420
2045999129,2cyclictest0-21swapper/008:45:110
2045999129,2cyclictest0-21swapper/007:50:140
2045999120,2cyclictest0-21swapper/012:26:420
2045999120,2cyclictest0-21swapper/008:50:130
2045999120,2cyclictest0-21swapper/008:36:020
2045999120,2cyclictest0-21swapper/008:15:170
2045999120,2cyclictest0-21swapper/007:30:180
2045999120,11cyclictest0-21swapper/009:52:020
2045999120,11cyclictest0-21swapper/009:25:380
2045999120,11cyclictest0-21swapper/008:55:130
2045999120,11cyclictest0-21swapper/008:01:010
2045999120,11cyclictest0-21swapper/007:15:180
17132121,8sleep11722-21ssh10:15:291
2046299118,2cyclictest0-21swapper/308:40:173
2046199110,2cyclictest0-21swapper/207:27:052
2046099118,2cyclictest783-21kworker/u8:207:17:051
2046099118,2cyclictest22895-21kworker/u8:108:49:041
2046099118,2cyclictest21744-21kworker/u8:012:00:011
2046099118,2cyclictest18839-21kworker/u8:008:30:051
2046099118,2cyclictest13788-21ps08:10:181
2046099118,2cyclictest0-21swapper/111:30:151
2046099118,2cyclictest0-21swapper/109:30:171
2046099118,2cyclictest0-21swapper/109:30:161
2046099110,9cyclictest0-21swapper/107:55:141
2045999118,2cyclictest22895-21kworker/u8:108:44:040
2045999118,2cyclictest0-21swapper/009:00:130
2045999118,2cyclictest0-21swapper/007:40:130
2046299107,2cyclictest0-21swapper/307:35:143
2046199107,2cyclictest0-21swapper/207:11:012
2046099107,2cyclictest0-21swapper/112:10:171
2046099107,2cyclictest0-21swapper/110:45:181
2046099100,2cyclictest0-21swapper/109:10:041
2046099100,2cyclictest0-21swapper/107:20:101
2045999107,2cyclictest0-21swapper/009:05:160
2045999106,2cyclictest17451-21if_err_eth008:20:160
2045999105,3cyclictest22231-21seq07:12:050
204609996,2cyclictest14938-21kworker/u8:209:00:041
204609995,3cyclictest2899-21df_abs09:05:131
204599996,2cyclictest2514-21kworker/u8:108:10:040
204599996,2cyclictest0-21swapper/007:55:130
204599994,3cyclictest18911-21aten2.4_r3power08:25:110
204629985,2cyclictest0-21swapper/309:00:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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