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2026-01-11 - 17:20

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 Sun Jan 11, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23569211394,12sleep10-21swapper/107:05:281
24051211191,14sleep30-21swapper/307:09:273
23962210786,16sleep00-21swapper/007:08:200
2382129685,6sleep20-21swapper/207:06:292
208552800,0sleep00-21swapper/011:48:110
191132740,0sleep20-21swapper/209:20:352
288292720,0sleep00-21swapper/009:31:470
266162720,2sleep026617-21sshd10:40:440
223572710,0sleep10-21swapper/111:50:131
223572710,0sleep10-21swapper/111:50:121
307722670,0sleep10-21swapper/107:25:141
134102490,1sleep213409-21ssh12:17:232
24122993514,19cyclictest0-21swapper/108:55:111
82052260,1sleep10-21swapper/109:45:151
320132220,1sleep20-21swapper/212:39:162
2412499210,19cyclictest0-21swapper/311:55:123
24121992116,3cyclictest20493-21ssh10:35:110
2412199211,2cyclictest0-21swapper/008:00:110
2412199210,2cyclictest0-21swapper/009:00:120
24123992017,2cyclictest27802-21kworker/u8:210:12:052
24123992015,3cyclictest16773-21ssh09:55:142
2412399201,2cyclictest0-21swapper/208:00:122
2412399200,2cyclictest0-21swapper/212:30:112
2412399200,14cyclictest0-21swapper/209:00:042
2412199200,2cyclictest0-21swapper/012:30:110
185382200,0sleep10-21swapper/110:31:561
24124991916,2cyclictest23105-21kworker/u8:010:18:053
24124991915,2cyclictest26413-21ssh12:32:053
2412499191,16cyclictest16113-21ssh10:30:103
24123991916,2cyclictest541-21kworker/u8:209:38:052
24123991916,2cyclictest23454-21kworker/u8:110:48:052
24123991916,2cyclictest12621-21kworker/u8:208:50:052
24124991815,2cyclictest8064-21kworker/u8:211:39:053
2412499180,2cyclictest0-21swapper/311:06:053
24123991815,2cyclictest8064-21kworker/u8:211:49:042
24123991815,2cyclictest23454-21kworker/u8:110:57:042
24123991815,2cyclictest2305-21kworker/u8:111:28:052
24123991815,2cyclictest15243-21kworker/u8:112:22:052
24123991815,2cyclictest13949-21kworker/u8:110:29:032
2412399181,2cyclictest8214-21diskmemload11:06:052
2412399180,13cyclictest0-21swapper/211:21:052
2412399180,13cyclictest0-21swapper/208:09:052
24124991714,2cyclictest29737-21kworker/u8:212:02:043
24124991714,2cyclictest18924-21kworker/u8:210:37:043
24124991714,2cyclictest10649-21kworker/u8:009:51:053
2412499171,14cyclictest7931-21ssh10:20:173
2412499171,14cyclictest11805-21grep11:00:273
2412499170,2cyclictest0-21swapper/312:09:053
2412499170,12cyclictest0-21swapper/310:03:033
2412499170,12cyclictest0-21swapper/309:16:053
24123991714,2cyclictest8494-21kworker/u8:212:13:052
24123991714,2cyclictest23105-21kworker/u8:010:17:042
24123991714,2cyclictest21787-21kworker/u8:207:35:052
24123991714,2cyclictest15243-21kworker/u8:112:25:042
24123991714,2cyclictest13949-21kworker/u8:110:30:052
24123991714,2cyclictest13807-21kworker/u8:111:04:052
24123991714,2cyclictest12621-21kworker/u8:208:48:052
24123991714,2cyclictest12621-21kworker/u8:208:25:052
24123991714,2cyclictest12621-21kworker/u8:208:19:042
24123991714,2cyclictest10179-21kworker/u8:008:14:042
24123991714,2cyclictest10179-21kworker/u8:007:58:052
2412399171,2cyclictest0-21swapper/212:09:052
2412399170,13cyclictest0-21swapper/211:31:052
2412299177,8cyclictest0-21swapper/112:20:081
197992170,2sleep337-21rcuc/309:57:593
24124991613,2cyclictest8064-21kworker/u8:211:48:053
24124991613,2cyclictest30278-21kworker/u8:011:30:053
24124991613,2cyclictest30278-21kworker/u8:011:23:043
24124991613,2cyclictest24689-21kworker/u8:011:53:053
24124991613,2cyclictest24689-21kworker/u8:011:53:053
24124991613,2cyclictest21787-21kworker/u8:207:19:053
24124991613,2cyclictest1989-21kworker/u8:210:59:053
2412499160,2cyclictest0-21swapper/309:48:053
2412499160,2cyclictest0-21swapper/309:37:033
2412499160,11cyclictest0-21swapper/312:24:053
24123991613,2cyclictest5327-21kworker/u8:109:47:052
24123991613,2cyclictest2305-21kworker/u8:111:54:052
24123991613,2cyclictest2305-21kworker/u8:111:54:052
24123991613,2cyclictest21787-21kworker/u8:207:29:052
24123991613,2cyclictest13807-21kworker/u8:111:14:052
2412399160,3cyclictest0-21swapper/209:40:142
2412399160,2cyclictest0-21swapper/210:08:072
24122991611,3cyclictest7965-21aten2.4-expect12:10:111
2412299161,13cyclictest31452-21df12:00:141
24124991512,2cyclictest8888-21kworker/u8:210:26:043
24124991512,2cyclictest8092-21kworker/u8:207:49:053
24124991512,2cyclictest7825-21kworker/u8:007:22:043
24124991512,2cyclictest3952-21kworker/u8:007:41:053
24124991512,2cyclictest26590-21kworker/u8:009:33:053
24124991512,2cyclictest21534-21kworker/u8:212:38:053
24124991512,2cyclictest21534-21kworker/u8:212:29:043
24124991512,2cyclictest12621-21kworker/u8:209:09:043
24124991512,2cyclictest12621-21kworker/u8:208:06:053
24124991512,2cyclictest12621-21kworker/u8:208:04:053
24124991512,2cyclictest10179-21kworker/u8:007:56:053
2412499151,12cyclictest26679-21ssh11:18:133
2412499151,12cyclictest204822sleep309:22:563
2412499150,13cyclictest0-21swapper/312:13:443
24123991512,2cyclictest8064-21kworker/u8:211:36:052
24123991512,2cyclictest6267-21kworker/u8:109:12:052
24123991512,2cyclictest25369-21kworker/u8:211:17:042
24123991512,2cyclictest24689-21kworker/u8:011:57:052
24123991512,2cyclictest23105-21kworker/u8:010:20:052
24123991512,2cyclictest21787-21kworker/u8:207:31:042
2412399150,11cyclictest0-21swapper/209:26:042
2412299150,2cyclictest0-21swapper/112:30:171
2412299150,13cyclictest8214-21diskmemload11:44:371
2412199151,12cyclictest0-21swapper/009:37:510
123602150,2sleep00-21swapper/011:01:180
2412499149,3cyclictest0-21swapper/308:50:113
2412499146,3cyclictest21151-21ethtool08:20:143
2412499142,6cyclictest0-21swapper/307:55:003
24124991411,2cyclictest5327-21kworker/u8:109:42:053
24124991411,2cyclictest27802-21kworker/u8:210:07:043
24124991411,2cyclictest23454-21kworker/u8:110:52:043
24124991411,2cyclictest21787-21kworker/u8:207:10:053
24124991411,2cyclictest2134-21kworker/u8:012:16:053
24124991411,2cyclictest12621-21kworker/u8:209:04:053
24124991411,2cyclictest12621-21kworker/u8:208:40:053
2412499140,9cyclictest0-21swapper/309:10:043
2412499140,12cyclictest0-21swapper/310:45:083
2412499140,12cyclictest0-21swapper/310:12:193
2412499140,10cyclictest0-21swapper/308:18:053
2412399142,7cyclictest0-21swapper/209:20:012
24123991411,2cyclictest8092-21kworker/u8:207:50:052
24123991411,2cyclictest12621-21kworker/u8:208:56:052
24123991411,2cyclictest12621-21kworker/u8:208:23:052
2412399140,2cyclictest0-21swapper/210:02:052
2412399140,12cyclictest0-21swapper/210:45:002
2412299149,3cyclictest0-21swapper/111:31:441
24122991411,2cyclictest0-21swapper/108:50:011
24122991410,3cyclictest14420-21apt-get11:05:041
2412299140,2cyclictest8214-21diskmemload11:10:471
2412299140,2cyclictest0-21swapper/111:20:151
2412299140,2cyclictest0-21swapper/110:03:471
2412299140,13cyclictest0-21swapper/110:10:171
2412299140,13cyclictest0-21swapper/108:45:171
2412299140,12cyclictest28324-21ssh11:55:361
2412299140,12cyclictest0-21swapper/109:16:461
2412199142,7cyclictest0-21swapper/011:35:000
2412199142,6cyclictest0-21swapper/010:00:000
2412199142,6cyclictest0-21swapper/007:55:000
2412199141,11cyclictest0-21swapper/010:26:550
2412199140,12cyclictest8214-21diskmemload09:20:180
2412199140,12cyclictest0-21swapper/012:02:230
2412199140,12cyclictest0-21swapper/010:59:590
326292130,1sleep00-21swapper/010:48:360
24124991310,2cyclictest8064-21kworker/u8:211:40:043
24124991310,2cyclictest23105-21kworker/u8:010:40:053
24124991310,2cyclictest22683-21kworker/u8:108:30:053
24124991310,2cyclictest22683-21kworker/u8:108:28:053
24124991310,2cyclictest21787-21kworker/u8:207:34:053
24124991310,2cyclictest19358-21kworker/u8:109:27:043
24124991310,2cyclictest12621-21kworker/u8:208:36:053
24124991310,2cyclictest10179-21kworker/u8:008:11:053
24124991310,2cyclictest0-21swapper/311:25:153
24124991310,2cyclictest0-21swapper/307:35:143
2412499130,12cyclictest0-21swapper/307:25:193
24123991310,2cyclictest12621-21kworker/u8:209:08:052
24123991310,2cyclictest0-21swapper/209:50:102
2412399130,2cyclictest0-21swapper/207:15:162
2412299138,4cyclictest0-21swapper/110:05:111
2412299133,8cyclictest19847-21sed12:25:141
24122991310,2cyclictest328750irq/24-eth111:00:151
24122991310,2cyclictest0-21swapper/110:59:041
24122991310,2cyclictest0-21swapper/110:35:271
24122991310,2cyclictest0-21swapper/110:26:261
24122991310,2cyclictest0-21swapper/109:58:161
2412299130,2cyclictest8214-21diskmemload09:21:221
2412299130,2cyclictest0-21swapper/110:50:151
2412299130,2cyclictest0-21swapper/107:40:121
2412299130,12cyclictest0-21swapper/109:25:121
2412299130,11cyclictest17944-21aten2.4-expect11:45:111
2412299130,11cyclictest0-21swapper/110:46:171
2412199138,3cyclictest15640-21switchtime08:05:260
2412199132,6cyclictest0-21swapper/008:30:000
2412199132,6cyclictest0-21swapper/007:30:000
2412199132,5cyclictest0-21swapper/009:40:000
2412199131,10cyclictest25762-21sh11:16:350
24121991310,2cyclictest0-21swapper/012:21:340
24121991310,2cyclictest0-21swapper/012:16:280
24121991310,2cyclictest0-21swapper/011:55:120
24121991310,2cyclictest0-21swapper/011:52:100
24121991310,2cyclictest0-21swapper/011:52:090
24121991310,2cyclictest0-21swapper/011:37:230
24121991310,2cyclictest0-21swapper/011:22:490
24121991310,2cyclictest0-21swapper/009:47:130
24121991310,2cyclictest0-21swapper/007:15:200
2412199130,2cyclictest22447-21ssh12:28:030
2412199130,2cyclictest0-21swapper/011:42:530
2412199130,2cyclictest0-21swapper/011:26:340
2412199130,2cyclictest0-21swapper/010:16:510
2412199130,2cyclictest0-21swapper/009:25:400
2412199130,2cyclictest0-21swapper/009:13:570
2412199130,12cyclictest0-21swapper/012:38:490
2412199130,12cyclictest0-21swapper/010:53:380
2412199130,12cyclictest0-21swapper/009:15:060
2412199130,11cyclictest0-21swapper/010:20:280
2412199130,11cyclictest0-21swapper/009:53:120
2412499129,2cyclictest0-21swapper/311:10:143
2412499129,2cyclictest0-21swapper/308:55:183
2412399129,2cyclictest8214-21diskmemload10:39:042
2412399129,2cyclictest29737-21kworker/u8:212:00:042
2412399128,2cyclictest29297-21ssh09:32:402
2412399120,11cyclictest0-21swapper/211:41:552
2412399120,11cyclictest0-21swapper/210:54:042
2412299129,2cyclictest0-21swapper/112:40:001
2412299129,2cyclictest0-21swapper/110:15:181
2412299121,3cyclictest0-21swapper/109:10:171
2412299120,2cyclictest0-21swapper/112:05:561
2412299120,2cyclictest0-21swapper/111:25:141
2412299120,2cyclictest0-21swapper/110:41:041
2412299120,2cyclictest0-21swapper/110:20:001
2412299120,2cyclictest0-21swapper/109:54:151
2412299120,2cyclictest0-21swapper/108:05:241
2412299120,11cyclictest0-21swapper/112:17:351
2412299120,11cyclictest0-21swapper/111:36:371
2412299120,11cyclictest0-21swapper/109:41:211
2412299120,11cyclictest0-21swapper/109:36:061
2412299120,11cyclictest0-21swapper/109:30:371
2412299120,11cyclictest0-21swapper/107:35:271
2412299120,10cyclictest0-21swapper/111:15:551
2412299120,10cyclictest0-21swapper/107:45:191
2412299120,10cyclictest0-21swapper/107:15:231
2412299120,10cyclictest0-21swapper/107:10:231
2412199129,2cyclictest8214-21diskmemload12:10:090
2412199129,2cyclictest0-21swapper/010:11:380
2412199129,2cyclictest0-21swapper/010:05:440
2412199129,2cyclictest0-21swapper/007:10:210
2412199122,6cyclictest0-21swapper/007:39:590
2412199121,6cyclictest0-21swapper/011:04:590
2412199120,2cyclictest0-21swapper/008:50:170
2412199120,2cyclictest0-21swapper/008:31:270
2412199120,2cyclictest0-21swapper/007:40:280
2412199120,2cyclictest0-21swapper/007:24:270
2412199120,11cyclictest0-21swapper/012:06:440
2412199120,11cyclictest0-21swapper/011:12:130
2412199120,11cyclictest0-21swapper/010:31:500
2412199120,11cyclictest0-21swapper/010:00:430
2412199120,11cyclictest0-21swapper/008:40:250
2412199120,11cyclictest0-21swapper/007:25:290
173122120,2sleep017373-21ntp_states08:10:180
2412399118,2cyclictest0-21swapper/208:30:122
2412399110,2cyclictest0-21swapper/208:41:052
2412299118,2cyclictest0-21swapper/108:30:141
2412299118,2cyclictest0-21swapper/108:20:131
2412299111,8cyclictest0-21swapper/108:25:141
2412299111,3cyclictest12854-21diskstats08:00:141
2412299110,9cyclictest0-21swapper/108:15:261
2412299110,3cyclictest0-21swapper/109:05:181
2412299110,3cyclictest0-21swapper/108:10:151
2412199118,2cyclictest0-21swapper/008:37:270
2412199113,6cyclictest0-21swapper/007:45:240
2412499107,2cyclictest0-21swapper/308:45:113
2412399100,9cyclictest0-21swapper/207:20:042
2412399100,2cyclictest0-21swapper/207:11:052
2412299106,2cyclictest26942-21diskstats08:35:141
2412299102,6cyclictest0-21swapper/107:58:401
2412299101,7cyclictest0-21swapper/107:50:181
2412299100,9cyclictest0-21swapper/107:20:101
2412299100,8cyclictest0-21swapper/109:00:221
2412299100,3cyclictest28571-21munin-node1
2412199107,2cyclictest0-21swapper/008:55:100
2412199105,3cyclictest21361-21head08:20:170
2412199105,3cyclictest12216-21cron08:00:000
241239994,3cyclictest4485-21tr07:40:132
241239994,3cyclictest27489-21ps08:35:192
241239992,6cyclictest0-21swapper/207:47:582
241229996,2cyclictest0-21swapper/107:30:131
241219994,3cyclictest30707-21tail08:45:130
241219994,3cyclictest19641-21switchtime08:15:260
241219983,3cyclictest0-21swapper/009:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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