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2026-05-19 - 16:01

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 Tue May 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2481921190,0sleep00-21swapper/011:45:260
24393211594,16sleep20-21swapper/207:09:072
24288210796,6sleep30-21swapper/307:07:483
23759210680,19sleep00-21swapper/007:06:000
2368429681,10sleep10-21swapper/107:05:201
98652790,0sleep20-21swapper/212:05:042
261102720,0sleep10-21swapper/111:46:561
83492680,1sleep20-21swapper/211:28:142
89012310,0sleep30-21swapper/311:29:063
71772230,1sleep27180-21diskmemload12:01:042
2449499230,21cyclictest0-21swapper/310:25:133
2449099230,18cyclictest0-21swapper/009:21:040
152902220,1sleep215292-21mailstats09:51:022
2449199210,19cyclictest0-21swapper/110:25:111
24494992013,5cyclictest0-21swapper/311:15:133
24493992017,2cyclictest8299-21kworker/u8:010:55:042
24493992017,2cyclictest6645-21kworker/u8:007:59:042
24493992017,2cyclictest2986-21kworker/u8:112:10:052
24491992010,9cyclictest5107-21ssh11:25:111
24490992017,2cyclictest28800-21kworker/u8:209:40:060
242472200,0sleep10-21swapper/111:10:161
2449499190,2cyclictest0-21swapper/309:54:553
2449399193,2cyclictest0-21swapper/212:33:042
24493991916,2cyclictest8861-21kworker/u8:210:24:042
24493991916,2cyclictest8299-21kworker/u8:011:02:042
24493991916,2cyclictest6645-21kworker/u8:008:04:042
24493991916,2cyclictest28772-21kworker/u8:007:28:042
24493991916,2cyclictest24751-21kworker/u8:111:11:042
24493991916,2cyclictest22337-21kworker/u8:207:22:052
24493991916,2cyclictest22337-21kworker/u8:207:22:042
24493991916,2cyclictest22213-21kworker/u8:310:00:042
24493991916,2cyclictest18409-21kworker/u8:211:05:052
24493991916,2cyclictest18409-21kworker/u8:211:05:042
24493991916,2cyclictest18259-21kworker/u8:011:52:012
24493991916,2cyclictest16368-21kworker/u8:108:18:012
24493991916,2cyclictest13627-21kworker/u8:010:27:042
2449399190,2cyclictest0-21swapper/209:33:042
2449099190,17cyclictest0-21swapper/009:54:010
306912180,0sleep00-21swapper/012:26:390
24493991815,2cyclictest6645-21kworker/u8:007:54:042
24493991815,2cyclictest24586-21kworker/u8:108:45:042
24493991815,2cyclictest24586-21kworker/u8:108:35:052
24493991815,2cyclictest22524-21kworker/u8:008:28:042
24493991815,2cyclictest22356-21kworker/u8:310:44:042
24493991815,2cyclictest12523-21kworker/u8:312:15:042
24493991815,2cyclictest1125-21kworker/u8:210:53:042
2449499172,2cyclictest0-21swapper/311:30:183
2449399173,2cyclictest0-21swapper/209:24:042
24493991714,2cyclictest28800-21kworker/u8:209:56:042
24493991714,2cyclictest18858-21kworker/u8:209:06:042
24493991714,2cyclictest18858-21kworker/u8:208:56:042
24493991714,2cyclictest17447-21kworker/u8:209:25:052
24493991714,2cyclictest12781-21kworker/u8:110:38:012
2449199170,15cyclictest0-21swapper/110:12:131
2449099170,2cyclictest0-21swapper/011:04:040
2449499160,2cyclictest0-21swapper/309:20:103
24493991613,2cyclictest6893-21kworker/u8:109:16:052
24493991613,2cyclictest22337-21kworker/u8:207:10:012
24493991613,2cyclictest16368-21kworker/u8:108:09:042
2449399160,2cyclictest20583-21ssh10:31:042
2449399160,15cyclictest0-21swapper/211:31:042
24494991510,3cyclictest9303-21tr09:45:133
24494991510,3cyclictest0-21swapper/307:30:143
2449399151,2cyclictest0-21swapper/212:25:062
24493991512,2cyclictest416-21kworker/u8:107:33:042
24493991512,2cyclictest24586-21kworker/u8:108:43:042
24493991512,2cyclictest22213-21kworker/u8:310:15:042
2449399150,2cyclictest0-21swapper/211:42:042
2449399150,2cyclictest0-21swapper/210:11:042
24491991511,2cyclictest207150irq/24-eth109:45:121
2449199151,12cyclictest17251-21munin-node1
24491991510,3cyclictest32657-21rm11:20:011
2449199150,3cyclictest7879-21basename09:06:011
2449199150,3cyclictest0-21swapper/108:40:131
2449199150,13cyclictest0-21swapper/112:24:221
2449199150,13cyclictest0-21swapper/111:51:591
24490991512,2cyclictest31528-21ssh11:18:280
24490991512,2cyclictest29695-21kworker/u8:012:33:040
2449499142,6cyclictest0-21swapper/309:00:003
2449499142,6cyclictest0-21swapper/308:10:003
2449499141,7cyclictest0-21swapper/308:05:003
2449499140,13cyclictest0-21swapper/308:50:183
2449499140,12cyclictest22213-21kworker/u8:310:19:043
24493991411,2cyclictest416-21kworker/u8:107:42:052
24493991411,2cyclictest18259-21kworker/u8:011:46:012
2449399141,11cyclictest2521-21ssh10:46:462
24493991410,3cyclictest9598-21cat12:40:002
2449399140,13cyclictest0-21swapper/209:10:042
2449399140,13cyclictest0-21swapper/209:00:212
2449399140,13cyclictest0-21swapper/208:50:042
2449199149,3cyclictest0-21swapper/109:00:161
24491991411,2cyclictest0-21swapper/110:39:491
2449199140,2cyclictest0-21swapper/110:09:441
2449199140,2cyclictest0-21swapper/107:15:081
2449199140,2cyclictest0-21swapper/107:15:071
2449199140,12cyclictest8556-21diskmemload11:01:551
2449199140,12cyclictest0-21swapper/112:06:011
2449199140,12cyclictest0-21swapper/111:58:181
2449199140,12cyclictest0-21swapper/109:20:171
24490991411,2cyclictest28800-21kworker/u8:209:33:040
24490991411,2cyclictest0-21swapper/011:41:270
24490991411,2cyclictest0-21swapper/011:12:270
24490991411,2cyclictest0-21swapper/009:05:070
24490991410,2cyclictest0-21swapper/010:25:180
24490991410,2cyclictest0-21swapper/009:50:000
2449099140,3cyclictest24452-21ssh10:35:310
2449099140,2cyclictest8556-21diskmemload09:25:130
2449099140,2cyclictest0-21swapper/010:57:570
2449099140,2cyclictest0-21swapper/007:45:300
2449099140,13cyclictest0-21swapper/011:29:570
2449099140,13cyclictest0-21swapper/007:35:170
2449099140,12cyclictest20299-21ssh11:05:520
2449099140,12cyclictest20299-21ssh11:05:520
2449099140,12cyclictest0-21swapper/009:56:030
2449499139,2cyclictest23573-21munin-node3
2449499138,3cyclictest7300-21cut09:05:143
24494991310,2cyclictest12781-21kworker/u8:110:30:043
24494991310,2cyclictest0-21swapper/310:50:193
24494991310,2cyclictest0-21swapper/310:05:123
2449499130,2cyclictest0-21swapper/312:02:083
2449499130,2cyclictest0-21swapper/307:45:183
2449499130,11cyclictest22356-21kworker/u8:310:39:043
2449399139,3cyclictest301-21munin-node2
2449399139,3cyclictest10324-21ssh09:45:372
2449399131,11cyclictest4264-21ssh11:58:582
24493991310,2cyclictest16368-21kworker/u8:108:20:052
2449399130,2cyclictest14411-21ssh11:35:102
2449399130,2cyclictest0-21swapper/212:22:382
2449399130,12cyclictest0-21swapper/211:19:282
2449399130,12cyclictest0-21swapper/208:30:042
24491991310,2cyclictest8556-21diskmemload10:32:261
24491991310,2cyclictest0-21swapper/112:25:521
24491991310,2cyclictest0-21swapper/112:10:511
24491991310,2cyclictest0-21swapper/111:38:421
24491991310,2cyclictest0-21swapper/111:31:591
24491991310,2cyclictest0-21swapper/110:59:271
24491991310,2cyclictest0-21swapper/110:44:061
24491991310,2cyclictest0-21swapper/110:20:231
24491991310,2cyclictest0-21swapper/110:15:011
24491991310,2cyclictest0-21swapper/110:00:411
24491991310,2cyclictest0-21swapper/109:41:321
24491991310,2cyclictest0-21swapper/109:25:051
24491991310,2cyclictest0-21swapper/109:16:031
2449199130,2cyclictest0-21swapper/112:16:371
2449199130,2cyclictest0-21swapper/111:41:451
2449199130,2cyclictest0-21swapper/111:15:361
2449199130,2cyclictest0-21swapper/110:45:271
2449199130,2cyclictest0-21swapper/107:50:501
2449199130,2cyclictest0-21swapper/107:35:141
2449199130,2cyclictest0-21swapper/107:30:391
2449199130,2cyclictest0-21swapper/107:11:031
2449199130,12cyclictest0-21swapper/112:36:041
2449199130,12cyclictest0-21swapper/112:00:541
2449199130,12cyclictest0-21swapper/110:52:361
2449199130,12cyclictest0-21swapper/109:55:001
2449199130,12cyclictest0-21swapper/109:50:081
2449199130,12cyclictest0-21swapper/109:30:381
2449199130,12cyclictest0-21swapper/108:35:501
2449199130,11cyclictest0-21swapper/111:05:201
2449199130,11cyclictest0-21swapper/111:05:201
24490991310,2cyclictest22213-21kworker/u8:310:01:040
24490991310,2cyclictest0-21swapper/012:05:120
24490991310,2cyclictest0-21swapper/011:55:570
24490991310,2cyclictest0-21swapper/010:30:160
24490991310,2cyclictest0-21swapper/008:36:010
24490991310,2cyclictest0-21swapper/008:16:020
2449099130,2cyclictest0-21swapper/012:19:470
2449099130,12cyclictest8556-21diskmemload10:10:270
2449099130,12cyclictest0-21swapper/009:18:280
2449099130,11cyclictest8556-21diskmemload11:30:320
2449099130,11cyclictest14334-21ssh11:35:030
2449099130,11cyclictest0-21swapper/010:52:070
2449099130,11cyclictest0-21swapper/010:05:180
2449499129,2cyclictest0-21swapper/307:10:143
2449499122,7cyclictest0-21swapper/310:57:583
2449499122,7cyclictest0-21swapper/309:16:583
2449499122,6cyclictest0-21swapper/311:15:003
2449499122,6cyclictest0-21swapper/310:15:003
2449499120,1cyclictest0-21swapper/307:35:153
2449499120,11cyclictest5338-21kworker/u8:112:38:043
2449499120,10cyclictest2986-21kworker/u8:112:12:043
2449399129,2cyclictest0-21swapper/210:06:022
2449399129,2cyclictest0-21swapper/209:36:392
2449399129,2cyclictest0-21swapper/208:10:192
2449399120,11cyclictest0-21swapper/209:40:592
2449199129,2cyclictest0-21swapper/108:50:161
2449199129,2cyclictest0-21swapper/107:45:201
2449199129,2cyclictest0-21swapper/107:40:141
2449199128,2cyclictest0-21swapper/108:16:021
2449199127,3cyclictest0-21swapper/108:45:131
2449199122,5cyclictest0-21swapper/108:30:001
2449199120,2cyclictest0-21swapper/112:30:181
2449199120,11cyclictest0-21swapper/109:35:311
2449199120,11cyclictest0-21swapper/109:10:161
2449199120,10cyclictest0-21swapper/108:30:281
2449099129,2cyclictest24751-21kworker/u8:111:22:040
2449099129,2cyclictest0-21swapper/012:39:020
2449099129,2cyclictest0-21swapper/012:23:580
2449099129,2cyclictest0-21swapper/010:48:570
2449099129,2cyclictest0-21swapper/010:20:070
2449099129,2cyclictest0-21swapper/010:17:070
2449099129,2cyclictest0-21swapper/009:35:160
2449099129,2cyclictest0-21swapper/008:50:200
2449099129,2cyclictest0-21swapper/008:45:140
2449099120,11cyclictest0-21swapper/012:10:130
2449099120,11cyclictest0-21swapper/012:02:240
2449099120,11cyclictest0-21swapper/011:51:110
2449099120,11cyclictest0-21swapper/009:10:140
2449099120,11cyclictest0-21swapper/008:30:140
2449099120,11cyclictest0-21swapper/007:20:160
2449099120,11cyclictest0-21swapper/007:20:160
182852120,2sleep30-21swapper/311:39:213
134702120,2sleep30-21swapper/312:08:513
322552110,2sleep30-21swapper/311:54:283
2449499118,2cyclictest0-21swapper/310:20:183
2449499118,2cyclictest0-21swapper/307:26:043
2449499117,2cyclictest8556-21diskmemload12:16:233
2449499116,3cyclictest24244-21tune2fs11:45:133
2449499111,8cyclictest0-21swapper/309:56:273
2449499111,8cyclictest0-21swapper/307:58:583
2449499110,9cyclictest17020-21sh11:02:293
2449499110,3cyclictest12991-21ssh09:14:423
2449399110,10cyclictest0-21swapper/207:35:112
2449199110,9cyclictest0-21swapper/108:55:141
2449199110,9cyclictest0-21swapper/108:20:161
2449199110,9cyclictest0-21swapper/107:55:141
2449199110,9cyclictest0-21swapper/107:26:031
2449199110,3cyclictest0-21swapper/108:00:131
2449199110,3cyclictest0-21swapper/107:20:131
2449199110,3cyclictest0-21swapper/107:20:131
2449199110,2cyclictest0-21swapper/108:05:381
2449099118,2cyclictest16368-21kworker/u8:108:11:040
2449099118,2cyclictest0-21swapper/008:40:150
2449099118,2cyclictest0-21swapper/007:56:030
2449099118,2cyclictest0-21swapper/007:15:050
2449099118,2cyclictest0-21swapper/007:15:040
2449099110,10cyclictest0-21swapper/010:44:010
2449099110,10cyclictest0-21swapper/007:32:530
2449499107,2cyclictest0-21swapper/310:00:343
2449499105,3cyclictest22687-21cron08:25:003
2449499105,3cyclictest19353-21grep08:15:153
2449499101,6cyclictest0-21swapper/311:56:033
2449499101,6cyclictest0-21swapper/308:41:013
2449499100,8cyclictest18409-21kworker/u8:211:08:053
2449499100,8cyclictest18409-21kworker/u8:211:08:053
2449499100,7cyclictest0-21swapper/311:43:583
2449499100,6cyclictest0-21swapper/310:41:013
2449499100,2cyclictest0-21swapper/310:45:233
2449499100,2cyclictest0-21swapper/309:40:583
2449499100,2cyclictest0-21swapper/307:15:133
2449499100,2cyclictest0-21swapper/307:15:133
2449399107,2cyclictest0-21swapper/207:45:182
2449099107,2cyclictest0-21swapper/008:25:150
2449099106,3cyclictest416-21kworker/u8:107:41:040
2449099100,9cyclictest0-21swapper/007:26:020
244949995,2cyclictest8556-21diskmemload12:30:193
244949994,3cyclictest57882sleep307:40:593
244949994,3cyclictest4962-21cpuspeed_turbos09:00:143
244949994,3cyclictest32211-21munin-node3
244949994,3cyclictest31006-21basename08:45:113
244949994,3cyclictest30233-21grep12:26:033
244949994,3cyclictest29678-21open_files07:20:193
244949994,3cyclictest29678-21open_files07:20:183
244949994,3cyclictest27706-21aten2.4_r3power09:30:123
244949994,3cyclictest1915-21seq11:21:013
244949991,7cyclictest0-21swapper/312:22:043
244949991,6cyclictest0-21swapper/308:11:023
244949991,3cyclictest3728-21runrttasks08:30:213
244949991,3cyclictest0-21swapper/308:35:143
244939996,2cyclictest0-21swapper/207:16:012
244939996,2cyclictest0-21swapper/207:16:012
244909994,3cyclictest4675-21latency_hist09:00:000
244949983,3cyclictest23389-21fschecks_time08:25:163
244949980,7cyclictest416-21kworker/u8:107:50:043
244909983,3cyclictest8736-21aten2.4_r3power07:50:120
244909983,3cyclictest5445-21latency09:00:180
244909983,3cyclictest12699-21aten2.4_r3power08:00:120
244909980,7cyclictest0-21swapper/008:20:300
244909980,7cyclictest0-21swapper/007:10:210
15873280,6sleep00-21swapper/008:05:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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