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2026-04-29 - 15:42

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 Wed Apr 29, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20062119108,6sleep20-21swapper/207:08:422
20402115104,6sleep30-21swapper/307:09:073
1400211498,11sleep10-21swapper/107:06:001
2096211291,16sleep00-21swapper/007:09:480
54812820,1sleep00-21swapper/008:35:160
139642740,1sleep213965-21sh08:56:022
2143993717,18cyclictest0-21swapper/208:05:132
214299360,2cyclictest0-21swapper/107:55:121
2142993213,1cyclictest0-21swapper/107:20:111
2142993213,1cyclictest0-21swapper/107:20:111
214499290,2cyclictest0-21swapper/309:45:123
214499251,2cyclictest0-21swapper/307:55:123
87172230,1sleep1221ktimersoftd/107:25:141
214299231,16cyclictest0-21swapper/112:30:041
214299230,2cyclictest0-21swapper/111:26:041
214299225,2cyclictest4824-21apt-get09:30:041
214199221,19cyclictest0-21swapper/009:10:110
214199220,13cyclictest0-21swapper/008:10:170
214499210,19cyclictest0-21swapper/309:00:113
2143992118,2cyclictest28464-21kworker/u8:208:18:002
2141992111,8cyclictest0-21swapper/009:35:170
214199210,2cyclictest8789-21apt-get08:45:110
214199210,2cyclictest0-21swapper/012:30:270
214199210,2cyclictest0-21swapper/012:24:030
214199210,2cyclictest0-21swapper/012:18:450
214199210,2cyclictest0-21swapper/012:08:350
214199210,2cyclictest0-21swapper/011:00:350
214199210,2cyclictest0-21swapper/010:38:350
214199210,2cyclictest0-21swapper/010:30:190
214199210,2cyclictest0-21swapper/010:28:270
214199210,2cyclictest0-21swapper/010:12:350
214199210,2cyclictest0-21swapper/009:30:390
214199210,2cyclictest0-21swapper/009:27:190
214199210,19cyclictest0-21swapper/010:54:370
214199210,19cyclictest0-21swapper/009:45:160
2143992017,2cyclictest8914-21kworker/u8:012:35:042
2143992017,2cyclictest21428-21kworker/u8:109:57:032
2143992017,2cyclictest11827-21kworker/u8:109:08:032
2142992017,2cyclictest6775-21kworker/u8:108:44:041
2142992017,2cyclictest29822-21kworker/u8:107:11:041
2142992017,2cyclictest20344-21kworker/u8:108:02:041
214299200,2cyclictest0-21swapper/108:25:121
214199200,2cyclictest22661-21ssh10:23:270
214199200,2cyclictest0-21swapper/012:36:230
214199200,2cyclictest0-21swapper/012:26:430
214199200,2cyclictest0-21swapper/012:10:070
214199200,2cyclictest0-21swapper/012:02:030
214199200,2cyclictest0-21swapper/011:55:390
214199200,2cyclictest0-21swapper/011:53:350
214199200,2cyclictest0-21swapper/011:46:590
214199200,2cyclictest0-21swapper/011:41:110
214199200,2cyclictest0-21swapper/011:35:190
214199200,2cyclictest0-21swapper/011:30:550
214199200,2cyclictest0-21swapper/011:26:190
214199200,2cyclictest0-21swapper/011:23:150
214199200,2cyclictest0-21swapper/011:15:150
214199200,2cyclictest0-21swapper/011:12:030
214199200,2cyclictest0-21swapper/011:06:350
214199200,2cyclictest0-21swapper/010:57:350
214199200,2cyclictest0-21swapper/010:45:470
214199200,2cyclictest0-21swapper/010:40:470
214199200,2cyclictest0-21swapper/010:15:030
214199200,2cyclictest0-21swapper/010:08:310
214199200,2cyclictest0-21swapper/010:00:070
214199200,2cyclictest0-21swapper/009:55:110
214199200,2cyclictest0-21swapper/009:50:470
214199200,2cyclictest0-21swapper/009:42:230
214199200,2cyclictest0-21swapper/009:20:020
214199200,2cyclictest0-21swapper/009:16:510
214199200,2cyclictest0-21swapper/007:10:150
214199200,18cyclictest16836-21munin-node0
214199200,18cyclictest0-21swapper/007:35:170
214499191,2cyclictest0-21swapper/308:25:123
2143991916,2cyclictest7270-21kworker/u8:211:18:042
2143991916,2cyclictest31625-21kworker/u8:011:08:042
2143991916,2cyclictest28798-21kworker/u8:211:47:042
2143991916,2cyclictest2252-21kworker/u8:208:34:042
2143991916,2cyclictest20344-21kworker/u8:108:25:042
2143991916,2cyclictest20344-21kworker/u8:108:12:012
2143991916,2cyclictest1971-21kworker/u8:207:37:042
2143991916,2cyclictest1971-21kworker/u8:207:18:042
2142991916,2cyclictest7270-21kworker/u8:211:19:041
2142991916,2cyclictest4417-21kworker/u8:008:37:041
2142991916,2cyclictest31625-21kworker/u8:011:20:041
2142991916,2cyclictest28464-21kworker/u8:208:18:051
2142991916,2cyclictest2729-21kworker/u8:110:52:041
2142991916,2cyclictest11827-21kworker/u8:109:23:061
214299191,2cyclictest23-21ksoftirqd/111:34:041
214299191,2cyclictest0-21swapper/111:13:031
214299191,2cyclictest0-21swapper/110:20:041
214299190,15cyclictest0-21swapper/109:26:041
214199190,2cyclictest0-21swapper/008:55:190
214199190,2cyclictest0-21swapper/008:41:030
214199190,2cyclictest0-21swapper/008:30:150
214199190,2cyclictest0-21swapper/008:25:190
214199190,2cyclictest0-21swapper/008:05:140
214199190,2cyclictest0-21swapper/008:00:110
214199190,2cyclictest0-21swapper/007:30:590
2143991815,2cyclictest7620-21kworker/u8:310:47:042
2143991815,2cyclictest6775-21kworker/u8:108:41:042
2143991815,2cyclictest4582-21kworker/u8:110:06:012
2143991815,2cyclictest28798-21kworker/u8:211:59:042
2143991815,2cyclictest28464-21kworker/u8:208:21:042
2143991815,2cyclictest22394-21kworker/u8:307:57:042
2143991815,2cyclictest21501-21kworker/u8:011:01:042
2143991815,2cyclictest1971-21kworker/u8:207:53:032
2143991815,2cyclictest1971-21kworker/u8:207:44:042
2143991815,2cyclictest1971-21kworker/u8:207:32:042
2143991815,2cyclictest1971-21kworker/u8:207:14:012
2143991815,2cyclictest18765-21kworker/u8:011:42:042
2143991815,2cyclictest18765-21kworker/u8:011:38:032
214399181,2cyclictest23403-21ssh11:34:042
2142991815,2cyclictest7395-21kworker/u8:209:46:011
2142991815,2cyclictest30966-21kworker/u8:312:20:041
2142991815,2cyclictest28798-21kworker/u8:212:02:031
2142991815,2cyclictest2729-21kworker/u8:110:55:041
2142991815,2cyclictest20344-21kworker/u8:108:14:011
2142991815,2cyclictest1971-21kworker/u8:207:16:041
214299180,2cyclictest0-21swapper/111:09:041
214299180,2cyclictest0-21swapper/110:05:041
214299180,2cyclictest0-21swapper/109:41:041
214299180,13cyclictest0-21swapper/111:53:041
214199180,2cyclictest0-21swapper/009:01:030
214199180,2cyclictest0-21swapper/008:50:150
214199180,2cyclictest0-21swapper/008:20:390
214199180,2cyclictest0-21swapper/008:15:030
214199180,2cyclictest0-21swapper/007:55:190
214199180,2cyclictest0-21swapper/007:45:030
214199180,2cyclictest0-21swapper/007:40:500
214199180,2cyclictest0-21swapper/007:25:150
214199180,2cyclictest0-21swapper/007:20:150
214199180,2cyclictest0-21swapper/007:20:150
214199180,2cyclictest0-21swapper/007:15:030
214199180,1cyclictest0-21swapper/007:50:150
2144991712,2cyclictest0-21swapper/312:15:163
2143991714,2cyclictest7620-21kworker/u8:310:53:042
2143991714,2cyclictest32089-21kworker/u8:010:01:042
2143991714,2cyclictest14050-21kworker/u8:310:21:042
2143991714,2cyclictest11827-21kworker/u8:108:51:042
2143991714,2cyclictest0-21swapper/209:24:552
2142991714,2cyclictest7620-21kworker/u8:310:42:041
2142991714,2cyclictest4417-21kworker/u8:008:45:041
2142991714,2cyclictest32601-21kworker/u8:008:24:011
2142991714,2cyclictest20344-21kworker/u8:108:08:011
2142991714,2cyclictest18765-21kworker/u8:011:46:041
2142991714,2cyclictest14353-21kworker/u8:007:54:041
2142991714,2cyclictest11827-21kworker/u8:109:35:041
214299171,12cyclictest0-21swapper/110:17:041
214299170,2cyclictest0-21swapper/111:00:041
214299170,2cyclictest0-21swapper/110:45:031
214299170,1cyclictest0-21swapper/110:37:041
214299170,12cyclictest0-21swapper/111:40:041
2144991613,2cyclictest0-21swapper/310:21:143
2144991611,3cyclictest5313-21ssh10:05:123
214499161,13cyclictest3728-21runrttasks09:30:173
214499161,13cyclictest0-21swapper/312:25:163
2143991613,2cyclictest7395-21kworker/u8:209:32:032
2143991613,2cyclictest28798-21kworker/u8:212:10:052
2143991613,2cyclictest2729-21kworker/u8:110:38:042
2143991613,2cyclictest22394-21kworker/u8:308:01:042
2143991613,2cyclictest1971-21kworker/u8:207:21:042
2143991613,2cyclictest1971-21kworker/u8:207:21:042
2143991613,2cyclictest18765-21kworker/u8:011:50:012
214399160,2cyclictest0-21swapper/212:31:042
214399160,2cyclictest0-21swapper/211:13:042
2142991613,2cyclictest8914-21kworker/u8:012:28:041
2142991613,2cyclictest22159-21kworker/u8:209:17:041
2142991613,2cyclictest16448-21kworker/u8:209:05:041
2142991613,2cyclictest11827-21kworker/u8:108:56:011
214299161,2cyclictest0-21swapper/110:26:051
214299160,2cyclictest0-21swapper/112:11:041
214299160,2cyclictest0-21swapper/112:07:041
214299160,2cyclictest0-21swapper/109:59:041
214499151,3cyclictest0-21swapper/312:37:063
2144991510,3cyclictest0-21swapper/311:32:053
214499150,3cyclictest0-21swapper/308:21:013
214499150,13cyclictest1586-21ssh10:00:253
214499150,13cyclictest0-21swapper/312:00:143
214499150,13cyclictest0-21swapper/310:59:543
214499150,13cyclictest0-21swapper/310:26:053
2143991512,2cyclictest7395-21kworker/u8:209:45:042
2143991512,2cyclictest4417-21kworker/u8:008:47:042
2143991512,2cyclictest31625-21kworker/u8:011:21:042
2143991512,2cyclictest2729-21kworker/u8:110:56:042
2143991512,2cyclictest21428-21kworker/u8:109:54:042
2143991512,2cyclictest19302-21kworker/u8:010:44:042
2143991512,2cyclictest11827-21kworker/u8:109:04:042
2143991512,2cyclictest0-21swapper/212:05:112
214399150,2cyclictest0-21swapper/211:26:042
214299151,2cyclictest0-21swapper/112:17:041
214299151,2cyclictest0-21swapper/110:31:041
214299151,2cyclictest0-21swapper/109:52:041
2142991512,2cyclictest30966-21kworker/u8:312:36:041
2142991512,2cyclictest1971-21kworker/u8:207:36:041
214499149,3cyclictest7116-21which10:41:003
2144991411,2cyclictest32476-21ssh09:24:553
2144991411,2cyclictest0-21swapper/311:20:333
2144991410,2cyclictest24776-21ssh09:50:233
214499140,13cyclictest0-21swapper/310:54:553
214499140,12cyclictest18630-21diskmemload09:27:533
214499140,12cyclictest0-21swapper/311:42:323
214499140,12cyclictest0-21swapper/311:14:443
214499140,12cyclictest0-21swapper/310:39:123
214499140,12cyclictest0-21swapper/310:30:333
214399141,2cyclictest0-21swapper/212:01:042
2143991411,2cyclictest11079-21kworker/u8:309:37:042
214399140,2cyclictest0-21swapper/210:26:052
214299143,2cyclictest0-21swapper/109:12:041
214299140,2cyclictest0-21swapper/111:39:041
214499132,6cyclictest0-21swapper/308:15:013
214499131,7cyclictest0-21swapper/308:10:013
2144991310,2cyclictest0-21swapper/312:32:453
2144991310,2cyclictest0-21swapper/312:11:033
2144991310,2cyclictest0-21swapper/312:09:403
2144991310,2cyclictest0-21swapper/311:55:113
2144991310,2cyclictest0-21swapper/311:17:053
2144991310,2cyclictest0-21swapper/310:45:133
214499130,2cyclictest30366-21diskmemload09:56:233
214499130,2cyclictest0-21swapper/311:35:343
214499130,2cyclictest0-21swapper/310:14:153
214499130,12cyclictest12305-21ssh09:37:023
214499130,12cyclictest0-21swapper/312:22:363
214499130,12cyclictest0-21swapper/311:28:133
214499130,12cyclictest0-21swapper/311:03:153
214499130,12cyclictest0-21swapper/309:16:433
214499130,12cyclictest0-21swapper/307:41:053
2143991310,2cyclictest11827-21kworker/u8:109:11:042
2143991310,2cyclictest0-21swapper/209:40:392
2143991310,2cyclictest0-21swapper/209:27:182
214399130,2cyclictest0-21swapper/210:31:042
214399130,2cyclictest0-21swapper/210:16:012
214399130,11cyclictest0-21swapper/209:16:212
2142991310,2cyclictest14353-21kworker/u8:007:48:051
106602130,0sleep20-21swapper/210:10:162
34462120,2sleep10-21swapper/108:30:171
214499129,2cyclictest5697-21apt-get11:50:113
214499129,2cyclictest0-21swapper/311:45:043
214499129,2cyclictest0-21swapper/309:10:143
214499127,3cyclictest17422-21hddtemp_smartct07:45:143
214499122,6cyclictest12419-21apt-get07:35:013
214499120,2cyclictest0-21swapper/311:05:193
214499120,2cyclictest0-21swapper/308:35:133
214499120,11cyclictest0-21swapper/310:15:553
214499120,11cyclictest0-21swapper/309:43:233
214499120,11cyclictest0-21swapper/308:56:023
214499120,11cyclictest0-21swapper/307:35:113
214399129,2cyclictest1971-21kworker/u8:207:45:042
214399129,2cyclictest0-21swapper/212:26:292
214399120,5cyclictest0-21swapper/208:36:592
214399120,11cyclictest0-21swapper/212:21:092
214399120,11cyclictest0-21swapper/212:15:192
214299121,3cyclictest14828-21munin-node1
214299120,2cyclictest0-21swapper/111:55:041
214299120,2cyclictest0-21swapper/110:04:051
214499118,2cyclictest0-21swapper/307:16:053
214499118,2cyclictest0-21swapper/307:10:133
214299110,9cyclictest12563-21latency_hist07:35:011
214299110,9cyclictest0-21swapper/108:51:021
214299110,2cyclictest0-21swapper/110:10:401
214499107,2cyclictest0-21swapper/309:05:153
214499107,2cyclictest0-21swapper/308:50:153
214499105,3cyclictest23766-21needreboot08:00:163
214499105,3cyclictest10364-21turbostat.cron07:30:003
214299101,3cyclictest14719-21aten2.4_r3power07:40:121
21449996,2cyclictest0-21swapper/307:50:593
21449994,3cyclictest9179-21df_inode08:45:133
21449994,3cyclictest6610-21aten2.4_r3power07:20:113
21449994,3cyclictest6610-21aten2.4_r3power07:20:113
21449994,3cyclictest2759-21cpuspeed_turbos08:30:123
21439994,3cyclictest10038-21vmstat07:26:052
21449983,3cyclictest6890-21aten2.4_r3power08:40:123
21449983,3cyclictest28203-21kworker/3:208:15:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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