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2026-06-18 - 21:33

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 Thu Jun 18, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
107542116106,6sleep30-21swapper/307:05:463
10728211087,18sleep00-21swapper/007:05:310
11405210897,6sleep10-21swapper/107:09:001
11192210587,12sleep20-21swapper/207:06:132
296562740,0sleep229655-21vmstat10:21:032
196342570,4sleep01151099cyclictest11:20:170
1151299380,19cyclictest32412-21rm11:00:102
300592250,0sleep30-21swapper/310:56:443
145922240,1sleep00-21swapper/010:40:170
232662220,0sleep00-21swapper/012:00:170
1151299220,20cyclictest0-21swapper/208:20:102
11513992118,2cyclictest31619-21kworker/u8:108:14:043
11513992118,2cyclictest31619-21kworker/u8:108:14:043
1151099211,2cyclictest0-21swapper/009:00:090
11513992017,2cyclictest6964-21kworker/u8:211:10:053
11513992017,2cyclictest30391-21kworker/u8:210:28:013
1151299201,2cyclictest0-21swapper/208:00:102
1151099200,2cyclictest0-21swapper/008:20:100
1151399192,2cyclictest0-21swapper/312:38:053
11513991916,2cyclictest8959-21kworker/u8:109:40:053
11513991916,2cyclictest3427-21kworker/u8:012:15:053
11513991916,2cyclictest26350-21kworker/u8:211:45:043
11513991916,2cyclictest25716-21kworker/u8:209:47:043
11513991916,2cyclictest15959-21kworker/u8:212:29:043
11513991916,2cyclictest12552-21kworker/u8:011:52:023
11513991916,2cyclictest10697-21kworker/u8:010:14:043
1151399190,14cyclictest0-21swapper/310:00:043
1151099191,2cyclictest0-21swapper/009:26:040
11513991815,2cyclictest9639-21kworker/u8:008:26:053
11513991815,2cyclictest7456-21kworker/u8:111:55:043
11513991815,2cyclictest6964-21kworker/u8:211:09:053
11513991815,2cyclictest3427-21kworker/u8:012:24:043
11513991815,2cyclictest30918-21kworker/u8:309:56:053
11513991815,2cyclictest29152-21kworker/u8:112:11:043
11513991815,2cyclictest25879-21kworker/u8:009:19:053
11513991815,2cyclictest25879-21kworker/u8:009:06:043
11513991815,2cyclictest2508-21kworker/u8:209:20:043
11513991815,2cyclictest20994-21kworker/u8:011:30:023
11513991815,2cyclictest18417-21kworker/u8:007:48:013
11513991815,2cyclictest12142-21kworker/u8:111:28:053
1151299180,2cyclictest0-21swapper/209:00:092
11510991815,2cyclictest4657-21kworker/u8:010:32:040
11510991815,2cyclictest21814-21kworker/u8:108:59:050
11510991814,2cyclictest3728-21runrttasks12:38:010
11513991714,2cyclictest9639-21kworker/u8:008:41:053
11513991714,2cyclictest2609-21kworker/u8:207:22:053
11513991714,2cyclictest23920-21kworker/u8:212:01:023
11513991714,2cyclictest18417-21kworker/u8:007:37:043
11513991714,2cyclictest18417-21kworker/u8:007:34:053
11513991714,2cyclictest18417-21kworker/u8:007:34:043
11513991714,2cyclictest15421-21kworker/u8:209:35:043
11513991714,2cyclictest15421-21kworker/u8:209:34:043
11513991714,2cyclictest14679-21kworker/u8:208:47:043
11513991714,2cyclictest10697-21kworker/u8:010:22:043
11513991713,2cyclictest18632-21ssh11:20:103
1151399170,12cyclictest0-21swapper/312:32:053
1151399170,12cyclictest0-21swapper/309:54:053
74322160,0sleep10-21swapper/112:19:101
11513991613,2cyclictest31619-21kworker/u8:108:21:043
11513991613,2cyclictest31619-21kworker/u8:108:04:043
11513991613,2cyclictest30391-21kworker/u8:210:51:043
11513991613,2cyclictest25879-21kworker/u8:009:10:043
11513991613,2cyclictest18417-21kworker/u8:007:44:053
11513991613,2cyclictest14679-21kworker/u8:208:52:053
11513991613,2cyclictest12552-21kworker/u8:012:06:053
1151399161,13cyclictest0-21swapper/311:15:113
1151399160,15cyclictest0-21swapper/311:04:043
1151299160,2cyclictest0-21swapper/208:45:102
11511991612,2cyclictest25702-21turbostat07:45:001
1151099161,3cyclictest27461-21cat11:30:010
11510991613,2cyclictest30019-21kworker/u8:109:15:040
11510991611,3cyclictest14880-21ntp_states09:30:190
1151099161,13cyclictest0-21swapper/010:56:020
11513991512,2cyclictest26350-21kworker/u8:211:39:043
11513991512,2cyclictest26350-21kworker/u8:211:39:043
11513991512,2cyclictest20994-21kworker/u8:011:42:063
11513991510,3cyclictest25153-21unixbench_singl09:01:003
1151399150,2cyclictest0-21swapper/310:19:053
1151399150,10cyclictest0-21swapper/308:55:043
1151299151,12cyclictest27380-21apt-get10:55:062
1151299151,12cyclictest0-21swapper/211:08:482
11512991510,3cyclictest4492-21missed_timers12:15:182
1151299150,3cyclictest0-21swapper/211:23:262
1151299150,13cyclictest27544-21diskmemload09:55:092
1151199159,5cyclictest0-21swapper/110:55:341
11511991511,2cyclictest0-21swapper/112:05:201
11511991511,2cyclictest0-21swapper/110:53:211
11511991511,2cyclictest0-21swapper/110:31:001
11511991510,4cyclictest0-21swapper/110:25:391
1151199150,3cyclictest0-21swapper/109:59:151
1151199150,13cyclictest0-21swapper/112:36:011
11510991510,3cyclictest0-21swapper/007:35:150
1151099150,13cyclictest29008-21taskset10:20:390
1151099150,10cyclictest0-21swapper/011:40:050
312522140,1sleep10-21swapper/107:56:041
11513991411,2cyclictest4657-21kworker/u8:010:37:043
11513991411,2cyclictest18417-21kworker/u8:008:08:023
11513991411,2cyclictest18417-21kworker/u8:007:53:043
11513991411,2cyclictest17187-21kworker/u8:110:45:043
11513991411,2cyclictest13769-21kworker/u8:107:26:043
1151399140,9cyclictest0-21swapper/307:15:043
1151399140,2cyclictest0-21swapper/310:09:053
1151299149,3cyclictest19360-21sendmail_mailqu11:55:592
11512991411,2cyclictest27544-21diskmemload10:32:092
11512991411,2cyclictest0-21swapper/209:35:582
11512991411,2cyclictest0-21swapper/209:11:582
1151299141,11cyclictest9420-21ssh12:20:292
1151299140,3cyclictest0-21swapper/210:00:062
1151299140,2cyclictest0-21swapper/207:45:012
1151299140,12cyclictest13999-21apt-get10:05:122
1151199140,2cyclictest0-21swapper/110:05:231
1151199140,12cyclictest0-21swapper/112:03:291
1151199140,12cyclictest0-21swapper/111:56:381
1151199140,12cyclictest0-21swapper/111:02:511
1151199140,12cyclictest0-21swapper/109:10:421
1151099149,3cyclictest5475-21sort09:55:170
1151099141,7cyclictest0-21swapper/008:50:000
11510991411,2cyclictest8959-21kworker/u8:109:41:040
11510991411,2cyclictest3427-21kworker/u8:012:25:040
11510991411,2cyclictest30019-21kworker/u8:109:12:040
11510991411,2cyclictest29152-21kworker/u8:112:20:050
11510991411,2cyclictest16429-21kworker/u8:210:10:050
11510991411,2cyclictest0-21swapper/011:46:480
11510991410,2cyclictest0-21swapper/008:10:000
1151099140,13cyclictest27544-21diskmemload11:12:590
1151099140,12cyclictest10848-21ssh10:01:000
11513991310,2cyclictest21953-21kworker/u8:207:56:053
1151399130,2cyclictest0-21swapper/310:30:053
1151299138,3cyclictest3920-21ssh09:54:232
1151299138,3cyclictest27598-21ssh11:30:112
1151299132,6cyclictest0-21swapper/209:00:002
1151299132,6cyclictest0-21swapper/208:10:012
11512991310,2cyclictest0-21swapper/212:36:072
11512991310,2cyclictest0-21swapper/212:28:592
11512991310,2cyclictest0-21swapper/212:10:402
11512991310,2cyclictest0-21swapper/211:35:452
11512991310,2cyclictest0-21swapper/211:35:452
11512991310,2cyclictest0-21swapper/211:18:422
11512991310,2cyclictest0-21swapper/211:13:022
11512991310,2cyclictest0-21swapper/210:47:242
11512991310,2cyclictest0-21swapper/210:26:122
11512991310,2cyclictest0-21swapper/210:12:382
11512991310,2cyclictest0-21swapper/209:32:022
11512991310,2cyclictest0-21swapper/209:28:572
11512991310,2cyclictest0-21swapper/207:51:012
1151299130,2cyclictest0-21swapper/212:03:092
1151299130,2cyclictest0-21swapper/210:51:242
1151299130,2cyclictest0-21swapper/208:40:162
1151299130,12cyclictest21549-21ssh12:35:002
1151299130,12cyclictest0-21swapper/212:08:492
1151299130,12cyclictest0-21swapper/211:40:192
1151299130,12cyclictest0-21swapper/210:18:282
1151299130,12cyclictest0-21swapper/209:43:092
1151299130,12cyclictest0-21swapper/209:15:132
1151299130,11cyclictest0-21swapper/209:45:102
1151299130,11cyclictest0-21swapper/209:20:112
11511991310,2cyclictest0-21swapper/112:31:221
11511991310,2cyclictest0-21swapper/112:25:011
11511991310,2cyclictest0-21swapper/111:45:161
11511991310,2cyclictest0-21swapper/111:40:131
11511991310,2cyclictest0-21swapper/111:36:241
11511991310,2cyclictest0-21swapper/111:36:231
11511991310,2cyclictest0-21swapper/111:25:021
11511991310,2cyclictest0-21swapper/111:24:021
11511991310,2cyclictest0-21swapper/111:05:201
11511991310,2cyclictest0-21swapper/110:46:431
11511991310,2cyclictest0-21swapper/110:40:461
11511991310,2cyclictest0-21swapper/109:48:421
11511991310,2cyclictest0-21swapper/109:06:031
1151199130,2cyclictest11724-21apt-get07:10:101
1151199130,2cyclictest0-21swapper/111:52:171
1151199130,2cyclictest0-21swapper/110:12:061
1151199130,2cyclictest0-21swapper/109:34:431
1151199130,2cyclictest0-21swapper/108:46:021
1151199130,12cyclictest0-21swapper/111:14:071
1151199130,12cyclictest0-21swapper/110:36:001
1151199130,12cyclictest0-21swapper/110:24:121
1151199130,12cyclictest0-21swapper/109:22:331
1151199130,12cyclictest0-21swapper/109:16:001
1151199130,12cyclictest0-21swapper/108:05:121
1151199130,12cyclictest0-21swapper/108:01:031
1151199130,11cyclictest14766-21load11:15:151
1151099131,6cyclictest0-21swapper/007:20:000
11510991310,2cyclictest29152-21kworker/u8:112:17:040
11510991310,2cyclictest25879-21kworker/u8:009:07:050
11510991310,2cyclictest25209-21ssh10:51:280
11510991310,2cyclictest18417-21kworker/u8:007:54:040
11510991310,2cyclictest0-21swapper/010:35:290
11510991310,2cyclictest0-21swapper/008:25:130
1151099130,2cyclictest0-21swapper/012:30:030
1151099130,2cyclictest0-21swapper/008:00:010
1151099130,2cyclictest0-21swapper/007:10:120
1151099130,12cyclictest0-21swapper/011:17:580
1151099130,11cyclictest31387-21apt-get12:10:120
1151099130,11cyclictest0-21swapper/007:20:110
271582120,2sleep00-21swapper/007:45:540
1151399122,7cyclictest0-21swapper/308:34:013
1151399120,2cyclictest0-21swapper/310:40:313
1151299129,2cyclictest27544-21diskmemload11:25:262
1151299129,2cyclictest0-21swapper/211:45:572
1151299129,2cyclictest0-21swapper/207:36:022
1151299122,7cyclictest0-21swapper/207:59:592
1151299120,2cyclictest0-21swapper/211:50:382
1151299120,2cyclictest0-21swapper/210:35:062
1151299120,2cyclictest0-21swapper/207:45:272
1151299120,11cyclictest0-21swapper/210:40:362
1151299120,11cyclictest0-21swapper/208:30:152
1151299120,11cyclictest0-21swapper/207:20:142
1151199129,2cyclictest23047-21smartctl07:36:011
1151199129,2cyclictest0-21swapper/109:51:361
1151199129,2cyclictest0-21swapper/109:40:101
1151199129,2cyclictest0-21swapper/108:36:031
1151199128,2cyclictest0-21swapper/107:45:311
1151199121,9cyclictest0-21swapper/108:20:121
1151199120,2cyclictest0-21swapper/112:10:091
1151199120,2cyclictest0-21swapper/110:15:231
1151199120,2cyclictest0-21swapper/110:00:361
1151199120,2cyclictest0-21swapper/109:25:371
1151199120,2cyclictest0-21swapper/108:30:481
1151199120,2cyclictest0-21swapper/108:15:401
1151199120,11cyclictest0-21swapper/112:20:081
1151199120,11cyclictest0-21swapper/111:30:461
1151199120,11cyclictest0-21swapper/109:35:251
1151199120,11cyclictest0-21swapper/107:25:411
1151199120,10cyclictest0-21swapper/107:15:391
1151099129,2cyclictest17187-21kworker/u8:110:46:050
1151099129,2cyclictest14679-21kworker/u8:208:48:040
1151099129,2cyclictest14679-21kworker/u8:208:42:050
1151099129,2cyclictest10697-21kworker/u8:010:05:040
1151099129,2cyclictest0-21swapper/012:06:390
1151099122,6cyclictest0-21swapper/008:12:510
1151099122,6cyclictest0-21swapper/008:12:500
1151099121,9cyclictest0-21swapper/012:00:010
1151099120,2cyclictest0-21swapper/011:30:190
1151099120,2cyclictest0-21swapper/010:17:020
1151099120,11cyclictest27544-21diskmemload09:20:110
1151099120,11cyclictest0-21swapper/008:35:130
32352110,2sleep00-21swapper/011:39:070
32352110,2sleep00-21swapper/011:39:060
1151399110,2cyclictest0-21swapper/308:16:053
1151299118,2cyclictest0-21swapper/207:30:122
1151299118,2cyclictest0-21swapper/207:30:112
1151299112,6cyclictest0-21swapper/207:15:002
1151299110,2cyclictest0-21swapper/208:15:082
1151199118,2cyclictest0-21swapper/108:11:041
1151199118,2cyclictest0-21swapper/108:11:031
1151199116,3cyclictest20603-21grep08:50:161
1151199111,8cyclictest15692-21apt-get08:40:111
1151199110,9cyclictest0-21swapper/109:00:111
1151199110,10cyclictest0-21swapper/108:25:491
1151099118,2cyclictest31619-21kworker/u8:108:15:050
1151099118,2cyclictest15421-21kworker/u8:209:36:040
1151099118,2cyclictest0-21swapper/011:04:330
1151099111,7cyclictest0-21swapper/011:06:580
1151099110,1cyclictest0-21swapper/010:25:060
1151299107,2cyclictest0-21swapper/209:09:562
1151299107,2cyclictest0-21swapper/208:50:162
1151299107,2cyclictest0-21swapper/208:10:122
1151299107,2cyclictest0-21swapper/208:10:122
1151199106,2cyclictest0-21swapper/107:30:141
1151199106,2cyclictest0-21swapper/107:30:131
1151199100,8cyclictest23701-21sed09:00:001
1151199100,8cyclictest0-21swapper/107:50:131
1151099107,2cyclictest0-21swapper/009:50:100
1151099105,3cyclictest32107-21cpuspeed_turbos08:00:110
1151099104,4cyclictest13606-21grep11:50:140
1151099101,7cyclictest0-21swapper/007:40:180
1151099101,6cyclictest27544-21diskmemload09:46:000
1151099101,6cyclictest0-21swapper/007:32:420
1151099101,6cyclictest0-21swapper/007:32:410
115139994,3cyclictest9880-21fschecks_time09:25:133
115139994,3cyclictest3728-21runrttasks07:11:533
115139994,3cyclictest2850-21rsyslogd08:35:113
115129996,2cyclictest0-21swapper/208:39:552
115129994,3cyclictest9882-21cut08:25:132
115129991,3cyclictest3728-21runrttasks07:13:532
115129991,3cyclictest18861-21sendmail_mailqu07:26:012
115119990,7cyclictest0-21swapper/107:20:591
115109996,2cyclictest2609-21kworker/u8:207:25:050
115109994,3cyclictest12035-21sed08:30:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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