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2026-08-30 - 01:40

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 Sat Aug 29, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1453210896,6sleep20-21swapper/207:06:012
1947210785,16sleep30-21swapper/307:07:183
2028210586,14sleep10-21swapper/107:08:201
2027210594,6sleep00-21swapper/007:08:190
218942760,0sleep10-21swapper/110:52:411
283132730,0sleep00-21swapper/010:25:500
13142690,0sleep11313-21ssh12:11:171
56792590,1sleep30-21swapper/309:30:063
2193992926,2cyclictest30500-21kworker/u8:009:58:042
2191992616,6cyclictest26992-21ssh10:58:040
192112250,1sleep3381ktimersoftd/312:30:153
2193992421,2cyclictest15003-21kworker/u8:012:04:042
2193992421,2cyclictest11224-21kworker/u8:211:00:042
2193992320,2cyclictest30500-21kworker/u8:010:00:042
2193992219,2cyclictest3867-21kworker/u8:210:06:012
2193992219,2cyclictest3867-21kworker/u8:210:06:012
2193992219,2cyclictest30500-21kworker/u8:010:17:032
2193992219,2cyclictest21740-21kworker/u8:211:28:042
2193992219,2cyclictest11224-21kworker/u8:211:08:052
2193992219,2cyclictest11224-21kworker/u8:210:53:042
219499211,3cyclictest18446-21munin-run12:30:003
219499211,11cyclictest28222-21ssh09:52:463
2193992118,2cyclictest30802-21kworker/u8:112:11:042
2193992118,2cyclictest15505-21kworker/u8:112:38:042
2193992118,2cyclictest12205-21kworker/u8:311:53:042
219399210,18cyclictest0-21swapper/209:36:042
219299211,18cyclictest0-21swapper/112:05:111
90792200,1sleep20-21swapper/210:40:032
219499207,3cyclictest0-21swapper/307:40:153
2194992010,3cyclictest0-21swapper/311:50:183
2193992017,2cyclictest4356-21kworker/u8:012:27:042
2193992017,2cyclictest19643-21kworker/u8:111:59:042
2193992017,2cyclictest15003-21kworker/u8:012:07:032
219399200,2cyclictest0-21swapper/211:38:012
219399200,18cyclictest0-21swapper/209:47:042
2191992017,2cyclictest21740-21kworker/u8:211:29:040
2193991916,2cyclictest30500-21kworker/u8:010:24:012
2193991916,2cyclictest24219-21kworker/u8:008:37:042
219199190,2cyclictest0-21swapper/012:35:130
2193991815,2cyclictest4356-21kworker/u8:012:20:042
2193991815,2cyclictest31093-21kworker/u8:209:30:042
2193991815,2cyclictest21740-21kworker/u8:211:34:012
2193991815,2cyclictest18546-21kworker/u8:209:14:042
2193991814,3cyclictest29656-21kworker/u8:208:30:052
219399180,2cyclictest0-21swapper/210:56:042
219399180,16cyclictest0-21swapper/212:31:032
219299180,2cyclictest0-21swapper/112:25:151
2191991815,2cyclictest15003-21kworker/u8:011:38:010
2191991815,2cyclictest10170-21kworker/u8:110:11:040
219499172,7cyclictest0-21swapper/308:33:593
2193991714,2cyclictest969-21kworker/u8:011:11:042
2193991714,2cyclictest30500-21kworker/u8:010:25:042
2193991714,2cyclictest29656-21kworker/u8:208:25:042
2193991714,2cyclictest19989-21kworker/u8:108:02:042
219399170,2cyclictest0-21swapper/210:12:042
219399170,15cyclictest0-21swapper/210:49:042
219299171,13cyclictest0-21swapper/112:15:211
2191991714,2cyclictest5917-21kworker/u8:009:36:040
219499161,3cyclictest0-21swapper/309:10:153
2194991611,3cyclictest26836-21ssh10:25:073
2193991613,2cyclictest29656-21kworker/u8:208:24:012
2193991613,2cyclictest24219-21kworker/u8:008:15:032
2193991613,2cyclictest2335-21kworker/u8:109:05:042
2192991612,2cyclictest18286-21diskmemload09:25:111
219199160,2cyclictest3728-21runrttasks09:58:040
219199160,14cyclictest17459-21df10:15:140
219199160,14cyclictest0-21swapper/011:40:150
306502150,1sleep10-21swapper/109:55:171
219499151,12cyclictest18742-21munin-node3
219499151,12cyclictest0-21swapper/309:05:153
2194991510,3cyclictest0-21swapper/311:15:183
2194991510,3cyclictest0-21swapper/310:13:283
219499150,3cyclictest8508-21ps11:45:193
219499150,3cyclictest0-21swapper/311:10:183
2193991512,2cyclictest22084-21kworker/u8:208:09:042
2193991512,2cyclictest10258-21kworker/u8:107:37:042
219399150,2cyclictest0-21swapper/211:16:042
2192991510,3cyclictest22785-21memory12:00:161
2192991510,3cyclictest0-21swapper/111:55:141
219299150,13cyclictest0-21swapper/107:25:131
219299150,13cyclictest0-21swapper/107:10:141
2191991512,2cyclictest18814-21kworker/u8:109:47:040
219199150,13cyclictest2693-21tr07:10:130
219199150,13cyclictest0-21swapper/012:30:200
219199150,13cyclictest0-21swapper/011:14:050
219199150,13cyclictest0-21swapper/010:48:150
75192140,2sleep00-21swapper/008:41:030
219499149,3cyclictest0-21swapper/311:28:193
2194991410,2cyclictest0-21swapper/310:30:113
219499140,2cyclictest0-21swapper/311:34:083
219499140,12cyclictest0-21swapper/312:35:173
219399149,3cyclictest7581-21ssh12:18:122
2193991411,2cyclictest8545-21kworker/u8:208:59:042
219399140,2cyclictest0-21swapper/211:20:042
219399140,2cyclictest0-21swapper/210:31:042
219399140,12cyclictest0-21swapper/209:40:122
219299149,3cyclictest15658-21sendmail-mta11:54:581
2192991411,2cyclictest0-21swapper/107:20:141
219299141,11cyclictest0-21swapper/110:20:131
219299140,12cyclictest207150irq/24-eth109:38:051
219299140,12cyclictest0-21swapper/108:20:291
2191991411,2cyclictest31093-21kworker/u8:209:34:010
2191991411,2cyclictest0-21swapper/010:22:540
2191991410,2cyclictest0-21swapper/012:15:340
219199140,12cyclictest0-21swapper/012:12:150
219199140,12cyclictest0-21swapper/011:52:440
219199140,12cyclictest0-21swapper/010:31:250
219199140,12cyclictest0-21swapper/009:43:480
219199140,12cyclictest0-21swapper/007:30:000
178102141,2sleep117820-21ssh11:21:361
298132130,2sleep10-21swapper/111:00:351
274722130,1sleep00-21swapper/011:31:330
219499132,6cyclictest0-21swapper/307:30:003
219499131,10cyclictest3728-21runrttasks08:24:203
2194991310,2cyclictest0-21swapper/311:40:123
2194991310,2cyclictest0-21swapper/310:21:043
2194991310,2cyclictest0-21swapper/309:25:363
2194991310,2cyclictest0-21swapper/308:25:203
219499130,2cyclictest0-21swapper/312:05:073
219499130,12cyclictest4087-21ssh12:15:083
219499130,11cyclictest21864-21ssh10:52:363
2193991310,2cyclictest14499-21kworker/u8:207:48:012
2193991310,2cyclictest0-21swapper/211:46:032
2193991310,2cyclictest0-21swapper/209:50:592
2193991310,2cyclictest0-21swapper/209:27:152
2193991310,2cyclictest0-21swapper/209:15:502
2193991310,2cyclictest0-21swapper/208:50:412
2193991310,2cyclictest0-21swapper/207:30:182
219399130,2cyclictest0-21swapper/209:22:042
219399130,2cyclictest0-21swapper/207:20:172
219399130,12cyclictest0-21swapper/210:36:172
219299138,3cyclictest9354-21sh10:06:061
219299138,3cyclictest9354-21sh10:06:061
219299134,2cyclictest0-21swapper/108:40:161
219299131,3cyclictest0-21swapper/111:11:461
2192991310,2cyclictest0-21swapper/112:36:321
2192991310,2cyclictest0-21swapper/111:31:321
2192991310,2cyclictest0-21swapper/110:39:141
2192991310,2cyclictest0-21swapper/110:33:231
2192991310,2cyclictest0-21swapper/110:14:341
219299130,2cyclictest0-21swapper/109:50:041
219299130,2cyclictest0-21swapper/109:21:531
219299130,11cyclictest18286-21diskmemload10:46:231
219299130,11cyclictest0-21swapper/109:10:501
219299130,11cyclictest0-21swapper/108:16:001
2191991310,2cyclictest31093-21kworker/u8:209:26:010
2191991310,2cyclictest19643-21kworker/u8:112:00:050
2191991310,2cyclictest18892-21sendmail-mta11:24:090
2191991310,2cyclictest0-21swapper/012:07:150
2191991310,2cyclictest0-21swapper/011:46:450
2191991310,2cyclictest0-21swapper/011:15:040
2191991310,2cyclictest0-21swapper/011:01:120
2191991310,2cyclictest0-21swapper/009:50:280
2191991310,2cyclictest0-21swapper/009:24:240
2191991310,2cyclictest0-21swapper/008:20:160
219199130,2cyclictest0-21swapper/010:43:510
219199130,2cyclictest0-21swapper/009:11:040
219199130,2cyclictest0-21swapper/008:05:160
219199130,12cyclictest2335-21kworker/u8:108:51:040
219199130,12cyclictest0-21swapper/012:24:040
219199130,12cyclictest0-21swapper/010:52:250
219199130,12cyclictest0-21swapper/008:11:030
219199130,11cyclictest0-21swapper/011:07:160
219199130,11cyclictest0-21swapper/010:00:040
58502120,2sleep118286-21diskmemload09:30:131
280232120,2sleep10-21swapper/110:59:431
219499129,2cyclictest0-21swapper/311:00:323
219499129,2cyclictest0-21swapper/310:45:183
219499129,2cyclictest0-21swapper/310:38:083
219499129,2cyclictest0-21swapper/307:15:143
219499128,3cyclictest0-21swapper/312:10:083
219499121,6cyclictest0-21swapper/311:40:003
219499120,2cyclictest11816-21ssh10:42:063
219499120,2cyclictest0-21swapper/312:24:313
219499120,2cyclictest0-21swapper/311:05:173
219499120,2cyclictest0-21swapper/310:55:063
219499120,2cyclictest0-21swapper/310:03:083
219499120,2cyclictest0-21swapper/307:36:073
219499120,11cyclictest0-21swapper/312:01:073
219499120,11cyclictest0-21swapper/311:55:083
219499120,11cyclictest0-21swapper/311:23:383
219499120,11cyclictest0-21swapper/309:55:143
219499120,11cyclictest0-21swapper/309:45:583
219499120,11cyclictest0-21swapper/309:36:163
219499120,11cyclictest0-21swapper/309:20:263
219499120,11cyclictest0-21swapper/308:55:193
219499120,11cyclictest0-21swapper/308:51:063
219499120,11cyclictest0-21swapper/308:00:083
219399129,2cyclictest0-21swapper/211:43:312
219399120,6cyclictest0-21swapper/209:04:042
219399120,1cyclictest0-21swapper/207:50:392
219399120,11cyclictest0-21swapper/207:41:022
219299129,2cyclictest0-21swapper/112:21:201
219299129,2cyclictest0-21swapper/111:45:401
219299129,2cyclictest0-21swapper/111:40:191
219299129,2cyclictest0-21swapper/111:18:031
219299129,2cyclictest0-21swapper/110:25:051
219299129,2cyclictest0-21swapper/110:02:541
219299128,3cyclictest207150irq/24-eth109:45:111
219299125,5cyclictest0-21swapper/110:16:091
219299121,9cyclictest0-21swapper/109:15:131
219299121,9cyclictest0-21swapper/108:35:151
219299121,9cyclictest0-21swapper/108:30:181
219299121,9cyclictest0-21swapper/107:51:011
219299121,3cyclictest9931-21kworker/1:107:35:151
219299121,3cyclictest0-21swapper/108:06:051
219299120,2cyclictest0-21swapper/109:05:301
219299120,2cyclictest0-21swapper/108:45:511
219299120,2cyclictest0-21swapper/107:15:431
219299120,11cyclictest0-21swapper/112:30:191
219299120,11cyclictest0-21swapper/111:25:201
219299120,10cyclictest18286-21diskmemload09:40:111
219299120,10cyclictest0-21swapper/111:35:071
219199129,2cyclictest0-21swapper/010:05:240
219199129,2cyclictest0-21swapper/010:05:240
219199129,2cyclictest0-21swapper/009:15:380
219199129,2cyclictest0-21swapper/008:00:160
219199120,2cyclictest0-21swapper/012:25:390
219199120,2cyclictest0-21swapper/007:51:030
219199120,2cyclictest0-21swapper/007:45:150
219199120,2cyclictest0-21swapper/007:40:180
219199120,11cyclictest0-21swapper/011:57:470
219199120,11cyclictest0-21swapper/010:35:070
219199120,11cyclictest0-21swapper/008:55:130
219199120,11cyclictest0-21swapper/008:30:040
219199120,11cyclictest0-21swapper/008:15:160
219199120,11cyclictest0-21swapper/007:35:120
21202120,2sleep10-21swapper/111:05:311
219499118,2cyclictest0-21swapper/310:06:023
219499118,2cyclictest0-21swapper/310:06:023
219499118,2cyclictest0-21swapper/308:40:133
219499112,6cyclictest0-21swapper/308:20:003
219499111,6cyclictest0-21swapper/307:21:023
219499110,2cyclictest0-21swapper/309:40:123
219499110,10cyclictest0-21swapper/309:15:203
219499110,10cyclictest0-21swapper/307:55:063
219399110,2cyclictest0-21swapper/208:42:042
219399110,2cyclictest0-21swapper/207:12:012
219399110,10cyclictest0-21swapper/207:15:112
219299118,2cyclictest0-21swapper/109:01:021
219299118,2cyclictest0-21swapper/108:00:141
219299117,2cyclictest0-21swapper/108:10:161
219299112,5cyclictest0-21swapper/108:30:001
219299111,3cyclictest13350-21ntpq08:55:181
219299111,2cyclictest0-21swapper/107:55:151
219299110,9cyclictest0-21swapper/107:46:031
219299110,9cyclictest0-21swapper/107:30:131
219299110,3cyclictest0-21swapper/107:40:141
219299110,2cyclictest18286-21diskmemload10:40:281
219199118,2cyclictest0-21swapper/007:25:180
219499107,2cyclictest0-21swapper/308:05:133
219499100,7cyclictest0-21swapper/308:39:023
219399108,1cyclictest0-21swapper/207:25:012
219399107,2cyclictest0-21swapper/208:45:102
219399102,6cyclictest0-21swapper/208:10:022
219299105,3cyclictest3182-21lldpd08:50:141
219199107,2cyclictest14620-21kworker/u8:009:02:040
219199107,2cyclictest0-21swapper/007:15:170
219199100,9cyclictest0-21swapper/007:55:160
219199100,2cyclictest0-21swapper/007:24:400
219199100,1cyclictest0-21swapper/008:35:460
13452100,1sleep00-21swapper/008:26:040
21949996,2cyclictest0-21swapper/307:10:133
21949995,3cyclictest0-21swapper/307:35:003
21949994,3cyclictest16561-21aten2.4-expect07:45:123
21949994,3cyclictest0-21swapper/307:51:033
21949991,3cyclictest0-21swapper/308:45:143
21949990,2cyclictest0-21swapper/309:04:553
21939994,3cyclictest21775-21cat07:56:042
21919996,2cyclictest0-21swapper/008:49:080
21919990,2cyclictest0-21swapper/009:07:100
21949983,3cyclictest26665-21aten2.4_r3power08:10:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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