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2026-06-01 - 18:50

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 Mon Jun 01, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47472116105,6sleep20-21swapper/207:08:142
4788210998,6sleep10-21swapper/107:08:451
3552210777,6sleep00-21swapper/007:05:150
4594210686,15sleep30-21swapper/307:06:153
223032820,1sleep10-21swapper/109:10:161
77052750,1sleep17701-21apt11:10:001
304552710,0sleep10-21swapper/111:33:291
5192650,0sleep10-21swapper/111:01:351
23372200,0sleep00-21swapper/009:56:200
4916991916,2cyclictest28327-21kworker/u8:209:21:052
491699191,17cyclictest0-21swapper/210:57:042
7202180,0sleep00-21swapper/011:35:530
491699183,2cyclictest0-21swapper/210:26:012
4916991815,2cyclictest29262-21kworker/u8:010:31:042
4916991815,2cyclictest22313-21kworker/u8:011:28:042
4916991815,2cyclictest1211-21kworker/u8:009:28:042
491699180,2cyclictest0-21swapper/211:06:052
4914991815,2cyclictest12945-21kworker/u8:209:10:020
491799171,13cyclictest0-21swapper/310:25:503
4916991714,2cyclictest21613-21kworker/u8:109:34:042
4916991714,2cyclictest21096-21kworker/u8:108:18:042
4916991714,2cyclictest17560-21kworker/u8:009:47:052
4916991714,2cyclictest14902-21kworker/u8:107:34:012
4916991714,2cyclictest12945-21kworker/u8:209:09:042
4914991714,2cyclictest4548-21kworker/u8:011:06:050
4914991714,2cyclictest3006-21kworker/u8:210:57:040
4914991714,2cyclictest29262-21kworker/u8:010:26:020
4917991611,3cyclictest0-21swapper/311:15:143
4916991613,2cyclictest3006-21kworker/u8:211:00:052
4916991613,2cyclictest25244-21kworker/u8:012:09:042
4916991613,2cyclictest15391-21kworker/u8:008:59:052
4916991613,2cyclictest13822-21kworker/u8:211:20:062
4916991612,3cyclictest16375-21kworker/u8:010:49:042
491699160,2cyclictest0-21swapper/209:41:042
491699160,14cyclictest0-21swapper/210:15:042
491799151,3cyclictest11179-21dpkg07:25:113
4917991512,2cyclictest0-21swapper/307:45:193
4917991512,2cyclictest0-21swapper/307:15:123
4917991511,3cyclictest8618-21aten2.4-expect09:30:113
491799151,12cyclictest0-21swapper/312:30:113
4917991511,2cyclictest0-21swapper/309:50:143
491799150,13cyclictest2343-21ssh11:37:493
491799150,13cyclictest0-21swapper/311:40:193
4916991512,2cyclictest7174-21kworker/u8:207:18:042
4916991512,2cyclictest23612-21kworker/u8:112:39:052
4916991512,2cyclictest23149-21kworker/u8:208:00:052
4916991512,2cyclictest21613-21kworker/u8:109:11:052
4916991512,2cyclictest17560-21kworker/u8:010:02:052
4916991512,2cyclictest14519-21kworker/u8:007:43:042
491699151,12cyclictest11429-21apt-get10:40:102
4916991510,3cyclictest23296-21cat07:55:002
491699150,2cyclictest0-21swapper/211:34:042
491599151,2cyclictest5209-21munin-node1
491599150,13cyclictest0-21swapper/108:40:131
491599150,13cyclictest0-21swapper/107:43:321
4914991512,2cyclictest21613-21kworker/u8:109:41:040
4914991512,2cyclictest14758-21kworker/u8:210:22:040
4914991512,2cyclictest13822-21kworker/u8:211:18:040
491799149,3cyclictest4069-21rm12:13:573
491799149,3cyclictest14868-21aten2.4-expect10:10:103
491799149,3cyclictest0-21swapper/307:10:143
4917991411,2cyclictest0-21swapper/312:04:593
4917991411,2cyclictest0-21swapper/309:47:303
4917991410,2cyclictest0-21swapper/309:25:143
491799140,13cyclictest0-21swapper/312:07:193
491799140,13cyclictest0-21swapper/311:47:493
491799140,12cyclictest0-21swapper/310:50:133
4916991411,2cyclictest30975-21kworker/u8:111:54:042
4916991411,2cyclictest2674-21kworker/u8:008:47:052
4916991411,2cyclictest2674-21kworker/u8:008:23:052
4916991411,2cyclictest23149-21kworker/u8:208:35:042
4916991411,2cyclictest21096-21kworker/u8:108:05:052
4916991411,2cyclictest21096-21kworker/u8:108:05:042
4916991411,2cyclictest12945-21kworker/u8:208:52:052
4916991411,2cyclictest0-21swapper/212:14:562
491699140,3cyclictest11884-21ssh12:21:042
491699140,12cyclictest17719-21diskmemload12:27:452
4915991411,2cyclictest21223-21diskmemload11:11:041
4915991411,2cyclictest21223-21diskmemload11:11:031
4915991411,2cyclictest0-21swapper/112:00:141
4915991410,2cyclictest16470-21sed10:11:001
491599140,2cyclictest0-21swapper/107:35:141
491599140,13cyclictest0-21swapper/109:45:181
491599140,12cyclictest9373-21diskstats11:45:131
491599140,12cyclictest21223-21diskmemload12:38:191
491599140,12cyclictest0-21swapper/109:25:171
4914991411,2cyclictest6612-21ssh11:41:450
4914991411,2cyclictest22313-21kworker/u8:011:34:040
4914991411,2cyclictest0-21swapper/012:31:010
4914991410,3cyclictest0-21swapper/012:05:220
491499140,3cyclictest4401-21if_eth009:25:170
491499140,12cyclictest9804-21ssh09:30:350
491499140,12cyclictest15281-21telnet07:35:130
491499140,12cyclictest12532-21switchtime08:46:060
491499140,12cyclictest0-21swapper/011:12:460
491499140,12cyclictest0-21swapper/011:12:450
248582140,2sleep00-21swapper/011:27:070
491799139,2cyclictest0-21swapper/310:00:593
491799139,2cyclictest0-21swapper/309:35:173
491799138,3cyclictest20388-21ssh10:49:303
491799138,3cyclictest0-21swapper/310:07:323
491799131,10cyclictest25857-21ssh10:55:103
4917991310,2cyclictest30499-21ssh11:33:343
4917991310,2cyclictest0-21swapper/311:00:153
4917991310,2cyclictest0-21swapper/310:35:133
4917991310,2cyclictest0-21swapper/309:20:173
4917991310,2cyclictest0-21swapper/309:10:123
4917991310,2cyclictest0-21swapper/308:15:133
4917991310,2cyclictest0-21swapper/307:21:033
491799130,2cyclictest0-21swapper/312:17:553
491799130,2cyclictest0-21swapper/311:12:293
491799130,2cyclictest0-21swapper/311:12:283
491799130,2cyclictest0-21swapper/310:44:073
491799130,2cyclictest0-21swapper/309:15:123
491799130,2cyclictest0-21swapper/308:45:533
491799130,2cyclictest0-21swapper/308:31:043
491799130,2cyclictest0-21swapper/307:43:503
491799130,12cyclictest0-21swapper/311:50:103
491799130,12cyclictest0-21swapper/311:28:233
491799130,12cyclictest0-21swapper/311:05:183
491799130,12cyclictest0-21swapper/309:55:193
491799130,11cyclictest5113-21taskset10:33:103
491799130,11cyclictest0-21swapper/311:20:173
491799130,11cyclictest0-21swapper/310:20:193
491799130,11cyclictest0-21swapper/310:16:053
4916991310,2cyclictest2674-21kworker/u8:008:26:042
4916991310,2cyclictest21096-21kworker/u8:107:48:052
4916991310,2cyclictest18534-21kworker/u8:211:56:042
4916991310,2cyclictest14902-21kworker/u8:107:35:052
4916991310,2cyclictest10703-21kworker/u8:111:15:042
4916991310,2cyclictest0-21swapper/209:51:472
491699130,2cyclictest0-21swapper/211:47:592
491699130,2cyclictest0-21swapper/211:37:042
491699130,2cyclictest0-21swapper/209:15:182
491699130,12cyclictest0-21swapper/212:15:052
491699130,12cyclictest0-21swapper/212:00:162
491699130,12cyclictest0-21swapper/211:43:252
491699130,12cyclictest0-21swapper/210:53:292
491599139,2cyclictest0-21swapper/109:15:131
491599131,2cyclictest24171-21irqstats07:55:151
4915991310,2cyclictest21223-21diskmemload12:10:111
4915991310,2cyclictest21223-21diskmemload10:15:131
4915991310,2cyclictest0-21swapper/111:21:291
4915991310,2cyclictest0-21swapper/110:00:391
4915991310,2cyclictest0-21swapper/109:51:011
4915991310,2cyclictest0-21swapper/108:31:031
4915991310,2cyclictest0-21swapper/108:10:131
491599130,2cyclictest0-21swapper/112:25:181
491599130,2cyclictest0-21swapper/111:55:111
491599130,2cyclictest0-21swapper/111:36:381
491599130,2cyclictest0-21swapper/110:55:391
491599130,2cyclictest0-21swapper/110:45:411
491599130,2cyclictest0-21swapper/110:20:391
491599130,12cyclictest0-21swapper/112:15:491
491599130,11cyclictest0-21swapper/110:05:281
491599130,11cyclictest0-21swapper/109:05:181
491499139,2cyclictest0-21swapper/010:11:440
4914991310,2cyclictest21223-21diskmemload11:58:490
4914991310,2cyclictest21223-21diskmemload10:48:320
4914991310,2cyclictest14758-21kworker/u8:210:15:040
4914991310,2cyclictest0-21swapper/012:29:310
4914991310,2cyclictest0-21swapper/012:20:460
4914991310,2cyclictest0-21swapper/012:18:210
4914991310,2cyclictest0-21swapper/012:01:040
4914991310,2cyclictest0-21swapper/011:53:430
4914991310,2cyclictest0-21swapper/010:36:330
4914991310,2cyclictest0-21swapper/010:30:560
4914991310,2cyclictest0-21swapper/009:35:270
491499130,2cyclictest22523-21ssh10:50:550
491499130,2cyclictest0-21swapper/011:21:070
491499130,2cyclictest0-21swapper/010:07:290
491499130,2cyclictest0-21swapper/008:31:010
491499130,2cyclictest0-21swapper/007:43:330
491499130,12cyclictest0-21swapper/012:37:040
491499130,12cyclictest0-21swapper/012:11:560
491499130,12cyclictest0-21swapper/010:00:170
491499130,12cyclictest0-21swapper/009:51:450
491499130,12cyclictest0-21swapper/009:48:130
491499130,12cyclictest0-21swapper/008:51:010
491499130,11cyclictest0-21swapper/007:50:180
491799129,2cyclictest0-21swapper/308:40:183
491799120,2cyclictest0-21swapper/312:36:083
491799120,2cyclictest0-21swapper/312:29:093
491799120,2cyclictest0-21swapper/312:21:453
491799120,2cyclictest0-21swapper/311:56:313
491799120,2cyclictest0-21swapper/307:50:153
491799120,11cyclictest0-21swapper/309:41:163
491799120,11cyclictest0-21swapper/309:01:013
491799120,11cyclictest0-21swapper/308:26:013
491799120,11cyclictest0-21swapper/308:20:153
491699129,2cyclictest21223-21diskmemload10:13:262
491699129,2cyclictest21096-21kworker/u8:108:13:042
491699129,2cyclictest0-21swapper/210:35:082
491699120,2cyclictest0-21swapper/211:13:102
491699120,2cyclictest0-21swapper/211:13:102
491699120,2cyclictest0-21swapper/210:05:332
491699120,2cyclictest0-21swapper/209:35:052
491699120,2cyclictest0-21swapper/207:58:042
491699120,1cyclictest0-21swapper/210:22:152
491699120,11cyclictest0-21swapper/212:30:402
491599129,2cyclictest0-21swapper/112:06:381
491599129,2cyclictest0-21swapper/111:28:211
491599129,2cyclictest0-21swapper/111:16:071
491599129,2cyclictest0-21swapper/110:35:161
491599129,2cyclictest0-21swapper/110:25:201
491599129,2cyclictest0-21swapper/109:56:531
491599129,2cyclictest0-21swapper/109:21:501
491599120,2cyclictest0-21swapper/110:40:181
491599120,2cyclictest0-21swapper/109:37:311
491599120,11cyclictest0-21swapper/112:30:151
491599120,11cyclictest0-21swapper/112:23:091
491599120,11cyclictest0-21swapper/111:53:111
491599120,11cyclictest0-21swapper/110:33:171
491599120,11cyclictest0-21swapper/109:41:431
491599120,11cyclictest0-21swapper/109:30:161
491599120,11cyclictest0-21swapper/108:35:131
491599120,10cyclictest0-21swapper/110:50:051
491499129,2cyclictest0-21swapper/010:40:060
491499129,2cyclictest0-21swapper/009:05:130
491499129,2cyclictest0-21swapper/008:20:120
491499129,2cyclictest0-21swapper/007:45:150
491499120,2cyclictest21223-21diskmemload09:20:230
491499120,2cyclictest0-21swapper/011:45:120
491499120,2cyclictest0-21swapper/007:20:110
491499120,11cyclictest0-21swapper/011:01:040
491499120,11cyclictest0-21swapper/009:16:060
491799118,2cyclictest0-21swapper/307:55:183
491699118,2cyclictest0-21swapper/207:25:122
491599118,2cyclictest0-21swapper/108:45:211
491599111,8cyclictest7138-21apt-get07:15:121
491599111,8cyclictest0-21swapper/107:45:171
491599110,9cyclictest0-21swapper/108:55:141
491599110,9cyclictest0-21swapper/108:01:021
491599110,9cyclictest0-21swapper/107:30:141
491499118,2cyclictest23149-21kworker/u8:207:58:040
491499118,2cyclictest0-21swapper/008:56:030
491499118,2cyclictest0-21swapper/008:00:150
491499118,2cyclictest0-21swapper/007:10:140
491499110,10cyclictest0-21swapper/008:05:180
491499110,10cyclictest0-21swapper/008:05:180
491799106,2cyclictest0-21swapper/307:30:183
491799105,3cyclictest13141-21apt-get08:50:073
491799101,7cyclictest4556-21metacity07:37:583
491699107,2cyclictest0-21swapper/207:15:012
491699105,3cyclictest5831-21fschecks_time08:30:152
491699100,9cyclictest0-21swapper/209:55:062
491599107,2cyclictest0-21swapper/108:50:111
491599107,2cyclictest0-21swapper/108:25:181
491599107,2cyclictest0-21swapper/107:21:021
491599100,9cyclictest0-21swapper/107:10:151
491599100,8cyclictest0-21swapper/109:00:131
491599100,2cyclictest0-21swapper/108:05:141
491599100,2cyclictest0-21swapper/108:05:141
491499107,2cyclictest23149-21kworker/u8:208:38:020
491499107,2cyclictest14519-21kworker/u8:007:30:040
491499107,2cyclictest14519-21kworker/u8:007:28:050
491499107,2cyclictest0-21swapper/008:16:020
491499105,3cyclictest3452-21grep08:25:130
49179994,3cyclictest7535-21cpuspeed_turbos08:35:143
49179994,3cyclictest3728-21runrttasks08:05:513
49179994,3cyclictest3728-21runrttasks08:05:503
49179994,3cyclictest25834-21df_abs08:00:123
49179994,3cyclictest15812-21fschecks_count08:55:163
49179992,5cyclictest0-21swapper/309:05:013
49179991,6cyclictest0-21swapper/308:11:003
49169994,3cyclictest17732-21df_abs09:00:132
49159996,2cyclictest0-21swapper/108:20:121
49159990,8cyclictest0-21swapper/107:50:161
49159990,8cyclictest0-21swapper/107:25:391
49159990,7cyclictest0-21swapper/108:15:121
49149996,2cyclictest0-21swapper/007:15:510
49169983,3cyclictest9346-21apt-get08:40:102
49169980,2cyclictest0-21swapper/207:20:022
49149985,2cyclictest0-21swapper/008:40:070
49149985,2cyclictest0-21swapper/008:10:140
49149983,3cyclictest17898-21cut09:00:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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