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2026-07-24 - 21:38

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 376 highest latencies:
System rack3slot6s.osadl.org (updated Fri Jul 24, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6975210998,6sleep20-21swapper/207:09:132
6784210993,11sleep00-21swapper/007:06:470
6762210887,16sleep30-21swapper/307:06:303
6811210688,13sleep10-21swapper/107:07:081
27962920,0sleep00-21swapper/010:28:170
80592760,1sleep28053-21ssh11:06:032
88622730,0sleep20-21swapper/210:00:462
34972730,1sleep33495-21ssh09:55:223
85112710,0sleep2301ktimersoftd/209:27:192
234792570,5sleep1706499cyclictest09:42:531
7063993113,16cyclictest0-21swapper/007:45:110
212752270,1sleep30-21swapper/309:40:193
706499260,18cyclictest0-21swapper/110:50:121
706699257,17cyclictest0-21swapper/311:00:123
706699249,13cyclictest11073-21sendmail-mta11:43:333
287242240,1sleep30-21swapper/311:27:563
7065992320,2cyclictest22923-21kworker/u8:208:10:032
7065992320,2cyclictest21411-21kworker/u8:010:47:042
7065992320,2cyclictest16912-21kworker/u8:109:12:052
7065992320,2cyclictest12367-21kworker/u8:012:19:052
7065992317,4cyclictest0-21swapper/211:50:122
15732230,0sleep30-21swapper/308:15:163
7066992219,2cyclictest16912-21kworker/u8:109:29:043
706599223,2cyclictest23080-21diskmemload11:47:042
7065992219,2cyclictest27938-21kworker/u8:011:44:002
7066992118,2cyclictest6836-21kworker/u8:112:06:043
7066992118,2cyclictest466-21kworker/u8:110:02:043
7066992118,2cyclictest28441-21kworker/u8:312:04:053
7066992118,2cyclictest16196-21kworker/u8:210:12:043
7066992118,2cyclictest12654-21kworker/u8:211:50:033
7066992117,3cyclictest18146-21kworker/u8:212:28:063
706599210,16cyclictest0-21swapper/209:39:042
706499216,3cyclictest0-21swapper/111:55:181
706499211,10cyclictest29078-21cpuspeed_turbos12:35:131
706499210,2cyclictest0-21swapper/109:34:151
706499210,19cyclictest0-21swapper/110:25:121
7066992017,2cyclictest466-21kworker/u8:110:41:043
7066992017,2cyclictest466-21kworker/u8:110:27:043
7066992017,2cyclictest21411-21kworker/u8:010:52:013
7066992017,2cyclictest16912-21kworker/u8:109:30:043
706699201,2cyclictest0-21swapper/311:47:043
706699200,15cyclictest0-21swapper/311:55:043
7065992017,2cyclictest8346-21kworker/u8:107:18:042
7065992017,2cyclictest6836-21kworker/u8:112:22:012
7065992017,2cyclictest6826-21kworker/u8:108:45:042
7065992017,2cyclictest466-21kworker/u8:110:39:032
7065992017,2cyclictest466-21kworker/u8:110:13:032
7065992017,2cyclictest31944-21kworker/u8:111:02:032
7065992017,2cyclictest27017-21kworker/u8:210:54:042
7065992017,2cyclictest22923-21kworker/u8:208:09:042
7065992017,2cyclictest18725-21kworker/u8:007:45:032
7065992017,2cyclictest15856-21kworker/u8:211:22:012
7065992017,2cyclictest15856-21kworker/u8:211:22:002
7065992017,2cyclictest10392-21kworker/u8:011:17:042
7065992017,2cyclictest10392-21kworker/u8:011:17:042
7065992017,2cyclictest10392-21kworker/u8:011:14:042
706599200,18cyclictest0-21swapper/209:57:042
706499209,3cyclictest21726-21munin-run10:15:001
706499209,2cyclictest0-21swapper/110:05:151
706499207,3cyclictest0-21swapper/107:20:181
706499201,3cyclictest0-21swapper/109:00:491
706499201,3cyclictest0-21swapper/108:45:131
706499201,2cyclictest207150irq/24-eth109:55:151
7064992011,8cyclictest23080-21diskmemload11:42:441
706499200,2cyclictest0-21swapper/110:30:451
706499200,18cyclictest0-21swapper/111:09:391
706499200,11cyclictest0-21swapper/112:01:051
706499200,11cyclictest0-21swapper/110:35:311
7066991916,2cyclictest6826-21kworker/u8:108:38:043
7066991916,2cyclictest27938-21kworker/u8:011:39:043
7066991916,2cyclictest27938-21kworker/u8:011:30:043
7066991916,2cyclictest24023-21kworker/u8:112:38:053
7066991916,2cyclictest22923-21kworker/u8:208:34:043
7066991916,2cyclictest22923-21kworker/u8:208:34:043
7066991916,2cyclictest22923-21kworker/u8:208:02:043
7066991916,2cyclictest21948-21kworker/u8:010:15:043
7066991916,2cyclictest21411-21kworker/u8:010:59:043
7066991916,2cyclictest18725-21kworker/u8:007:48:013
7066991916,2cyclictest16912-21kworker/u8:108:58:043
7066991916,2cyclictest10709-21kworker/u8:010:08:053
7065991916,2cyclictest8346-21kworker/u8:107:13:042
7065991916,2cyclictest22923-21kworker/u8:208:31:042
7065991916,2cyclictest22923-21kworker/u8:208:31:032
7065991916,2cyclictest18725-21kworker/u8:008:28:042
7065991916,2cyclictest18725-21kworker/u8:007:59:042
7065991916,2cyclictest18725-21kworker/u8:007:52:012
7065991916,2cyclictest18146-21kworker/u8:212:31:042
7065991916,2cyclictest16912-21kworker/u8:108:59:032
7065991916,2cyclictest16598-21kworker/u8:207:34:042
7065991916,2cyclictest13331-21kworker/u8:208:53:042
7065991916,2cyclictest10790-21kworker/u8:007:28:042
706599190,2cyclictest0-21swapper/212:35:042
706499199,2cyclictest0-21swapper/111:14:361
706499197,3cyclictest3535-21gdbus12:30:031
706499197,3cyclictest0-21swapper/107:10:141
706499191,9cyclictest0-21swapper/108:00:161
706499191,3cyclictest9180-21munin-node1
706499191,10cyclictest21696-21ssh12:27:021
706499190,9cyclictest0-21swapper/110:15:141
706499190,9cyclictest0-21swapper/108:25:131
706499190,3cyclictest30031-21munin-node1
706499190,2cyclictest0-21swapper/107:41:031
706499190,10cyclictest0-21swapper/107:46:031
7066991815,2cyclictest9311-21kworker/u8:008:50:043
7066991815,2cyclictest6958-21kworker/u8:212:14:053
7066991815,2cyclictest466-21kworker/u8:110:38:053
7066991815,2cyclictest3183-21kworker/u8:009:52:053
7066991815,2cyclictest18725-21kworker/u8:008:22:043
7066991815,2cyclictest18725-21kworker/u8:007:53:043
7066991815,2cyclictest15856-21kworker/u8:211:21:043
7066991815,2cyclictest15856-21kworker/u8:211:21:043
7066991815,2cyclictest10790-21kworker/u8:007:27:043
7066991815,2cyclictest10790-21kworker/u8:007:24:043
7066991815,2cyclictest10392-21kworker/u8:011:18:013
7066991815,2cyclictest10392-21kworker/u8:011:18:013
7066991814,2cyclictest1494-21kworker/u8:010:33:043
7065991815,2cyclictest6836-21kworker/u8:111:56:052
7065991815,2cyclictest466-21kworker/u8:110:44:052
7065991815,2cyclictest29796-21kworker/u8:209:19:042
706599180,2cyclictest0-21swapper/212:10:012
706599180,2cyclictest0-21swapper/209:44:042
706499189,2cyclictest0-21swapper/110:20:491
706499188,2cyclictest0-21swapper/109:40:001
706499182,7cyclictest0-21swapper/108:12:021
706499180,9cyclictest0-21swapper/108:55:201
706499180,2cyclictest0-21swapper/111:21:041
706499180,2cyclictest0-21swapper/111:21:031
706499180,2cyclictest0-21swapper/109:27:051
7066991714,2cyclictest9311-21kworker/u8:008:48:043
7066991714,2cyclictest8346-21kworker/u8:107:39:043
7066991714,2cyclictest8346-21kworker/u8:107:15:043
7066991714,2cyclictest466-21kworker/u8:110:20:043
7066991714,2cyclictest3183-21kworker/u8:009:49:043
7066991714,2cyclictest24618-21kworker/u8:009:13:043
7066991714,2cyclictest22923-21kworker/u8:208:05:043
7066991714,2cyclictest21411-21kworker/u8:010:48:043
7066991714,2cyclictest16912-21kworker/u8:109:15:043
7066991714,2cyclictest10790-21kworker/u8:007:30:043
7066991714,2cyclictest10392-21kworker/u8:011:10:033
7066991713,2cyclictest23080-21diskmemload09:35:113
706699170,2cyclictest23909-21ssh12:30:043
7065991714,2cyclictest28441-21kworker/u8:312:03:042
7065991714,2cyclictest23068-21kworker/u8:309:48:032
706499179,2cyclictest0-21swapper/109:13:521
706499179,2cyclictest0-21swapper/107:35:211
706499177,2cyclictest0-21swapper/111:39:261
706499176,3cyclictest702-21apt-get09:20:121
706499171,8cyclictest15590-21cpuspeed_turbos07:30:131
706499171,3cyclictest0-21swapper/112:21:011
706499170,8cyclictest0-21swapper/111:15:131
706499170,8cyclictest0-21swapper/111:15:131
706499170,11cyclictest0-21swapper/112:06:051
7066991613,2cyclictest6826-21kworker/u8:108:44:013
7066991613,2cyclictest19274-21kworker/u8:209:02:043
7066991613,2cyclictest16912-21kworker/u8:109:22:043
706599161,3cyclictest21224-21ssh12:26:182
7065991613,2cyclictest466-21kworker/u8:110:23:042
7065991613,2cyclictest21936-21kworker/u8:111:32:042
7065991613,2cyclictest19274-21kworker/u8:209:04:042
706599161,13cyclictest0-21swapper/207:42:542
706499169,2cyclictest0-21swapper/112:17:571
706499161,3cyclictest0-21swapper/111:45:161
7064991611,3cyclictest5455-21tail12:10:191
706499160,2cyclictest0-21swapper/111:32:401
706499160,2cyclictest0-21swapper/111:00:551
706499160,2cyclictest0-21swapper/110:01:371
706499160,14cyclictest0-21swapper/108:50:151
7063991611,3cyclictest11072-21ssh11:43:020
254262160,0sleep09-21ksoftirqd/012:30:510
7066991512,2cyclictest5352-21kworker/u8:007:10:043
706699150,2cyclictest0-21swapper/312:18:033
706499151,7cyclictest0-21swapper/108:05:021
706499150,13cyclictest0-21swapper/108:20:011
706399151,12cyclictest6421-21df11:05:120
706399150,13cyclictest18935-21latency_hist12:25:000
706399150,13cyclictest0-21swapper/009:52:550
706599141,7cyclictest7632-21ssh11:40:012
706599140,12cyclictest23080-21diskmemload09:50:012
706499142,6cyclictest0-21swapper/108:45:011
7064991411,2cyclictest0-21swapper/110:46:051
7064991411,2cyclictest0-21swapper/109:48:051
706499140,3cyclictest0-21swapper/110:40:161
706499140,12cyclictest0-21swapper/107:50:201
706399149,3cyclictest539-21ssh11:32:010
706399141,2cyclictest3728-21runrttasks11:24:570
706399141,2cyclictest3728-21runrttasks11:24:570
706399141,2cyclictest17396-21sendmail_mailst11:16:010
706399141,2cyclictest17396-21sendmail_mailst11:16:000
7063991411,2cyclictest0-21swapper/010:12:170
7063991411,2cyclictest0-21swapper/009:47:170
7063991411,2cyclictest0-21swapper/009:11:260
7063991410,2cyclictest0-21swapper/010:20:130
7063991410,2cyclictest0-21swapper/007:35:210
706399140,2cyclictest0-21swapper/012:01:280
706399140,2cyclictest0-21swapper/010:42:270
706399140,2cyclictest0-21swapper/009:27:470
706399140,13cyclictest0-21swapper/010:06:570
706399140,12cyclictest0-21swapper/011:35:020
706399140,12cyclictest0-21swapper/011:10:110
706399140,12cyclictest0-21swapper/009:34:050
706399140,12cyclictest0-21swapper/008:35:000
706399140,12cyclictest0-21swapper/008:35:000
706699130,9cyclictest0-21swapper/312:23:043
706599132,6cyclictest0-21swapper/210:20:002
706599131,10cyclictest0-21swapper/209:20:042
7065991310,2cyclictest10790-21kworker/u8:007:21:042
7065991310,2cyclictest0-21swapper/209:06:032
706599130,2cyclictest0-21swapper/211:27:022
706599130,2cyclictest0-21swapper/210:55:102
706599130,2cyclictest0-21swapper/209:30:242
706599130,2cyclictest0-21swapper/208:21:012
706599130,12cyclictest0-21swapper/210:32:542
706599130,12cyclictest0-21swapper/210:05:022
7064991310,2cyclictest0-21swapper/110:56:261
706499130,2cyclictest0-21swapper/111:29:271
706499130,2cyclictest0-21swapper/109:15:151
706499130,12cyclictest0-21swapper/111:53:151
706499130,12cyclictest0-21swapper/108:31:011
706499130,12cyclictest0-21swapper/108:31:011
706499130,11cyclictest0-21swapper/107:25:511
706399138,3cyclictest17674-21fschecks_count08:55:160
7063991310,2cyclictest0-21swapper/011:52:320
7063991310,2cyclictest0-21swapper/011:45:200
7063991310,2cyclictest0-21swapper/009:42:210
7063991310,2cyclictest0-21swapper/009:20:190
7063991310,2cyclictest0-21swapper/008:45:100
7063991310,2cyclictest0-21swapper/007:20:000
706399130,2cyclictest0-21swapper/008:21:040
706399130,2cyclictest0-21swapper/008:16:040
706399130,12cyclictest0-21swapper/012:26:180
706399130,12cyclictest0-21swapper/011:26:470
706399130,12cyclictest0-21swapper/010:36:470
706399130,12cyclictest0-21swapper/010:30:570
706399130,12cyclictest0-21swapper/010:17:570
706399130,11cyclictest0-21swapper/012:15:140
706399130,11cyclictest0-21swapper/010:51:230
706699122,7cyclictest0-21swapper/307:59:023
706599120,2cyclictest0-21swapper/212:05:222
706599120,11cyclictest0-21swapper/210:25:532
706499122,7cyclictest0-21swapper/107:17:021
706399129,2cyclictest0-21swapper/010:00:360
706399129,2cyclictest0-21swapper/009:15:310
706399129,2cyclictest0-21swapper/007:40:150
7063991210,1cyclictest0-21swapper/011:00:130
706399120,2cyclictest0-21swapper/011:55:240
706399120,2cyclictest0-21swapper/009:05:120
706399120,1cyclictest0-21swapper/012:11:060
706399120,11cyclictest0-21swapper/012:36:290
706399120,11cyclictest0-21swapper/012:07:040
706399120,11cyclictest0-21swapper/010:56:570
706399120,11cyclictest0-21swapper/010:45:170
706399120,11cyclictest0-21swapper/009:55:170
706399120,11cyclictest0-21swapper/009:36:180
706399120,11cyclictest0-21swapper/009:05:000
706399120,11cyclictest0-21swapper/007:55:200
706399120,11cyclictest0-21swapper/007:51:050
706399120,11cyclictest0-21swapper/007:15:140
706699118,2cyclictest22923-21kworker/u8:208:11:043
706699118,2cyclictest0-21swapper/311:05:043
706599111,6cyclictest0-21swapper/207:36:042
706599110,1cyclictest0-21swapper/208:40:142
706499110,9cyclictest21282-21munin-node1
706399118,2cyclictest0-21swapper/008:01:040
706399118,2cyclictest0-21swapper/007:25:170
706699105,3cyclictest5730-21tr08:25:153
706699105,3cyclictest19953-21missed_timers07:40:183
706599100,9cyclictest0-21swapper/208:00:282
706499107,2cyclictest0-21swapper/107:55:151
70669994,3cyclictest3728-21runrttasks09:06:153
70659994,3cyclictest1239-21cut08:15:132
70659991,3cyclictest0-21swapper/208:35:142
70649991,3cyclictest0-21swapper/108:20:171
70639994,3cyclictest16998-21cron08:55:000
70639994,3cyclictest12523-21sort08:41:050
70639992,6cyclictest0-21swapper/007:11:010
70639992,5cyclictest0-21swapper/008:13:200
70639990,5cyclictest0-21swapper/008:36:010
70639985,2cyclictest0-21swapper/008:06:040
70639983,3cyclictest5420-21expr08:25:130
70639983,3cyclictest16380-21cut07:30:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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