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2026-07-07 - 06:42

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 Tue Jul 07, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27089211495,13sleep30-21swapper/319:09:503
26848211292,15sleep00-21swapper/019:06:430
26330210988,14sleep20-21swapper/219:05:252
26804210786,16sleep10-21swapper/119:06:081
200942870,1sleep320097-21grep20:15:123
87712700,1sleep00-21swapper/019:45:160
40242690,0sleep10-21swapper/123:59:571
40162690,0sleep20-21swapper/200:36:112
269272530,1sleep10-21swapper/123:49:311
2713499300,28cyclictest0-21swapper/322:55:163
276252230,1sleep10-21swapper/123:50:121
34512220,1sleep30-21swapper/321:37:473
2713399210,4cyclictest0-21swapper/221:22:052
2713299211,18cyclictest0-21swapper/122:55:151
2713199200,18cyclictest0-21swapper/022:40:120
2713199200,18cyclictest0-21swapper/000:30:130
2713499190,17cyclictest0-21swapper/323:15:123
27133991915,3cyclictest12999-21kworker/u8:121:17:042
2713299190,2cyclictest9526-21diskmemload22:25:131
2713199190,2cyclictest0-21swapper/023:07:040
2713199190,18cyclictest0-21swapper/021:38:020
27133991815,2cyclictest7097-21kworker/u8:022:39:052
27133991815,2cyclictest3679-21kworker/u8:021:12:052
27133991815,2cyclictest1094-21kworker/u8:120:51:052
2713199180,2cyclictest0-21swapper/023:54:050
27133991714,2cyclictest7255-21kworker/u8:123:20:022
27133991714,2cyclictest7255-21kworker/u8:123:19:042
27133991714,2cyclictest5919-21kworker/u8:200:03:052
27133991714,2cyclictest29929-21kworker/u8:021:32:052
27133991714,2cyclictest27975-21kworker/u8:219:32:052
27133991714,2cyclictest25138-21kworker/u8:000:24:052
27133991714,2cyclictest24890-21kworker/u8:123:47:052
27133991714,2cyclictest23154-21kworker/u8:122:40:042
27133991714,2cyclictest1552-21kworker/u8:020:17:052
27133991714,2cyclictest13555-21kworker/u8:120:02:052
27133991714,2cyclictest12382-21kworker/u8:122:25:052
2713299170,14cyclictest0-21swapper/100:11:031
27131991714,2cyclictest19321-21kworker/u8:021:22:050
2713499161,3cyclictest9526-21diskmemload21:25:143
27133991613,2cyclictest7255-21kworker/u8:122:53:042
27133991613,2cyclictest4700-21kworker/u8:000:09:042
27133991613,2cyclictest30890-21kworker/u8:223:25:052
27133991613,2cyclictest25138-21kworker/u8:000:26:062
27133991613,2cyclictest22636-21kworker/u8:022:03:052
27133991613,2cyclictest22100-21kworker/u8:019:19:052
27133991613,2cyclictest19294-21kworker/u8:220:14:012
27133991613,2cyclictest1552-21kworker/u8:019:59:052
27133991613,2cyclictest1552-21kworker/u8:019:46:042
27133991613,2cyclictest13911-21kworker/u8:223:42:042
2713299161,3cyclictest0-21swapper/120:00:131
2713199160,2cyclictest0-21swapper/022:26:050
27134991511,2cyclictest0-21swapper/321:55:523
2713499151,12cyclictest0-21swapper/300:25:383
27134991510,3cyclictest1837-21ssh23:21:133
27134991510,3cyclictest13387-21tail00:10:133
2713499150,13cyclictest0-21swapper/323:37:273
27133991512,2cyclictest7454-21kworker/u8:221:09:052
27133991512,2cyclictest4700-21kworker/u8:023:58:042
27133991512,2cyclictest27264-21kworker/u8:222:11:052
27133991512,2cyclictest24398-21kworker/u8:119:11:052
27133991512,2cyclictest22100-21kworker/u8:019:22:042
27133991512,2cyclictest1552-21kworker/u8:020:47:042
27133991512,2cyclictest1552-21kworker/u8:020:40:052
27133991512,2cyclictest13555-21kworker/u8:120:08:022
27133991512,2cyclictest12999-21kworker/u8:121:36:052
27133991512,2cyclictest0-21swapper/223:05:102
2713399150,2cyclictest0-21swapper/223:31:042
2713399150,2cyclictest0-21swapper/223:12:052
2713399150,2cyclictest0-21swapper/219:25:052
2713299151,3cyclictest10700-21taskset21:10:181
2713299150,13cyclictest0-21swapper/123:00:121
2713199150,2cyclictest0-21swapper/023:58:010
2713199150,2cyclictest0-21swapper/023:24:580
2713199150,13cyclictest0-21swapper/000:37:520
27134991411,2cyclictest0-21swapper/321:10:013
27134991411,2cyclictest0-21swapper/320:35:163
27134991411,2cyclictest0-21swapper/300:30:263
27134991410,2cyclictest6522-21ssh21:40:313
2713499140,3cyclictest5693-21ssh22:15:153
2713499140,13cyclictest0-21swapper/322:45:173
2713499140,13cyclictest0-21swapper/300:22:063
2713499140,12cyclictest7766-21ssh23:28:053
2713499140,12cyclictest25554-21ssh23:47:153
2713499140,12cyclictest0-21swapper/322:20:353
2713499140,12cyclictest0-21swapper/322:08:063
2713499140,12cyclictest0-21swapper/321:10:463
2713499140,12cyclictest0-21swapper/300:36:473
2713399149,3cyclictest9209-21ssh22:19:492
27133991411,2cyclictest25138-21kworker/u8:000:34:012
27133991411,2cyclictest24890-21kworker/u8:123:52:052
27133991411,2cyclictest1552-21kworker/u8:020:32:052
2713399140,3cyclictest10069-21aten2.4_r3power21:45:122
2713399140,12cyclictest0-21swapper/221:55:592
2713399140,12cyclictest0-21swapper/221:50:042
2713299140,3cyclictest10513-21cut23:30:391
2713299140,13cyclictest0-21swapper/122:43:121
27131991411,2cyclictest0-21swapper/020:56:050
27131991411,2cyclictest0-21swapper/020:56:040
2713199140,3cyclictest4556-21metacity23:42:590
2713199140,12cyclictest32391-21df_abs19:25:140
2713199140,12cyclictest0-21swapper/021:50:110
39942130,2sleep10-21swapper/122:13:531
326072130,2sleep332744-21grep20:45:173
2713499132,6cyclictest0-21swapper/319:49:593
27134991310,2cyclictest0-21swapper/323:04:473
27134991310,2cyclictest0-21swapper/322:30:363
27134991310,2cyclictest0-21swapper/322:29:313
27134991310,2cyclictest0-21swapper/321:45:473
27134991310,2cyclictest0-21swapper/320:10:153
27134991310,2cyclictest0-21swapper/319:50:293
27134991310,2cyclictest0-21swapper/319:30:163
27134991310,2cyclictest0-21swapper/300:17:173
2713499130,2cyclictest0-21swapper/322:35:133
2713499130,12cyclictest0-21swapper/323:50:123
2713499130,12cyclictest0-21swapper/321:15:153
2713499130,12cyclictest0-21swapper/320:55:163
2713499130,12cyclictest0-21swapper/320:55:153
2713499130,12cyclictest0-21swapper/319:40:143
2713499130,12cyclictest0-21swapper/319:35:153
2713499130,12cyclictest0-21swapper/300:01:023
2713499130,11cyclictest0-21swapper/323:12:283
2713499130,11cyclictest0-21swapper/322:00:263
27133991310,2cyclictest1552-21kworker/u8:020:36:042
27133991310,2cyclictest0-21swapper/222:45:472
27133991310,2cyclictest0-21swapper/222:30:202
27133991310,2cyclictest0-21swapper/221:27:482
27133991310,2cyclictest0-21swapper/200:14:282
2713399130,11cyclictest0-21swapper/221:40:262
2713299139,2cyclictest18866-21pzem_power20:10:381
2713299138,3cyclictest12701-21sh22:23:041
2713299138,3cyclictest0-21swapper/123:11:581
2713299138,3cyclictest0-21swapper/121:25:131
2713299138,3cyclictest0-21swapper/120:15:151
27132991310,2cyclictest0-21swapper/123:06:021
27132991310,2cyclictest0-21swapper/100:15:121
2713299130,2cyclictest0-21swapper/122:46:031
2713299130,12cyclictest0-21swapper/119:56:041
2713299130,12cyclictest0-21swapper/100:00:281
27131991310,2cyclictest9526-21diskmemload21:56:010
27131991310,2cyclictest16385-21ssh00:13:110
27131991310,2cyclictest0-21swapper/023:25:120
27131991310,2cyclictest0-21swapper/021:46:540
27131991310,2cyclictest0-21swapper/021:29:220
27131991310,2cyclictest0-21swapper/019:35:130
27131991310,2cyclictest0-21swapper/000:09:440
2713199130,3cyclictest4556-21metacity23:12:590
2713199130,2cyclictest0-21swapper/023:46:040
2713199130,2cyclictest0-21swapper/022:21:120
2713199130,2cyclictest0-21swapper/022:06:010
2713199130,12cyclictest0-21swapper/022:47:220
17262130,2sleep30-21swapper/323:56:163
105202130,2sleep09526-21diskmemload22:55:360
101722130,2sleep30-21swapper/300:05:263
2713499129,2cyclictest0-21swapper/323:41:363
2713499129,2cyclictest0-21swapper/322:13:253
2713499129,2cyclictest0-21swapper/321:30:323
2713499129,2cyclictest0-21swapper/320:20:133
2713499129,2cyclictest0-21swapper/319:25:173
2713499122,6cyclictest0-21swapper/320:26:023
2713499122,6cyclictest0-21swapper/319:15:003
2713499122,5cyclictest0-21swapper/320:50:013
2713499120,2cyclictest0-21swapper/323:30:463
2713499120,11cyclictest0-21swapper/323:05:053
2713499120,11cyclictest0-21swapper/322:51:293
2713499120,11cyclictest0-21swapper/322:42:033
2713499120,11cyclictest0-21swapper/321:50:213
2713499120,11cyclictest0-21swapper/319:56:013
2713399129,2cyclictest0-21swapper/223:39:082
2713399121,7cyclictest71192cat19:41:032
2713399120,2cyclictest0-21swapper/223:00:022
2713399120,2cyclictest0-21swapper/222:56:042
2713399120,2cyclictest0-21swapper/219:37:052
2713399120,2cyclictest0-21swapper/200:15:052
2713399120,11cyclictest0-21swapper/222:20:102
2713399120,11cyclictest0-21swapper/220:55:192
2713399120,11cyclictest0-21swapper/220:55:182
2713299129,2cyclictest0-21swapper/123:15:071
2713299129,2cyclictest0-21swapper/122:00:121
2713299129,2cyclictest0-21swapper/121:46:241
2713299129,2cyclictest0-21swapper/120:45:161
2713299129,2cyclictest0-21swapper/119:36:021
2713299129,2cyclictest0-21swapper/119:16:001
2713299124,6cyclictest0-21swapper/100:30:131
2713299122,5cyclictest0-21swapper/123:35:011
2713299121,9cyclictest0-21swapper/121:40:121
2713299121,9cyclictest0-21swapper/120:35:131
2713299121,9cyclictest0-21swapper/119:25:141
2713299121,6cyclictest0-21swapper/122:35:001
2713299121,3cyclictest27375-21df_abs00:25:151
2713299120,2cyclictest0-21swapper/122:50:151
2713299120,2cyclictest0-21swapper/122:15:501
2713299120,2cyclictest0-21swapper/122:05:131
2713299120,11cyclictest0-21swapper/121:30:131
2713299120,11cyclictest0-21swapper/121:21:041
2713299120,11cyclictest0-21swapper/100:20:131
2713299120,11cyclictest0-21swapper/100:08:541
2713299120,10cyclictest0-21swapper/120:40:401
2713199129,2cyclictest0-21swapper/022:52:020
2713199129,2cyclictest0-21swapper/022:33:010
2713199129,2cyclictest0-21swapper/022:10:100
2713199129,2cyclictest0-21swapper/021:13:120
2713199129,2cyclictest0-21swapper/021:05:160
2713199129,2cyclictest0-21swapper/020:30:120
2713199129,2cyclictest0-21swapper/000:28:050
2713199120,2cyclictest9526-21diskmemload21:30:330
2713199120,2cyclictest0-21swapper/023:39:330
2713199120,2cyclictest0-21swapper/000:01:520
2713199120,11cyclictest0-21swapper/023:16:230
2713199120,11cyclictest0-21swapper/023:00:150
2713199120,11cyclictest0-21swapper/022:37:550
2713199120,11cyclictest0-21swapper/022:01:230
2713199120,11cyclictest0-21swapper/020:50:180
2713199120,11cyclictest0-21swapper/019:55:150
2713199120,10cyclictest0-21swapper/021:00:190
2713199120,10cyclictest0-21swapper/021:00:190
213542120,1sleep30-21swapper/321:21:193
141812120,2sleep30-21swapper/320:00:153
2713499110,5cyclictest0-21swapper/320:45:013
2713399110,1cyclictest0-21swapper/220:20:172
2713299118,2cyclictest0-21swapper/123:25:131
2713299118,2cyclictest0-21swapper/123:22:021
2713299118,2cyclictest0-21swapper/121:55:461
2713299117,2cyclictest0-21swapper/120:20:141
2713299116,3cyclictest15170-21perl21:50:141
2713299111,8cyclictest18675-21apt-get22:30:121
2713299111,8cyclictest0-21swapper/120:30:161
2713299111,8cyclictest0-21swapper/119:50:171
2713299111,2cyclictest0-21swapper/120:05:131
2713299110,9cyclictest7773-21munin-node1
2713299110,9cyclictest7732-21munin-node1
2713299110,9cyclictest0-21swapper/121:00:121
2713299110,9cyclictest0-21swapper/121:00:121
2713299110,3cyclictest5766-21munin-node1
2713299110,3cyclictest0-21swapper/123:40:141
2713299110,2cyclictest0-21swapper/120:50:111
2713299110,10cyclictest0-21swapper/121:35:501
2713299110,10cyclictest0-21swapper/121:15:011
2713199118,2cyclictest17293-21vmstat20:06:040
2713199117,2cyclictest0-21swapper/020:20:000
2713199116,3cyclictest30867-21ps20:40:190
2713199110,2cyclictest0-21swapper/022:18:150
181012110,1sleep00-21swapper/021:18:400
2713499102,6cyclictest31802-21copy19:24:593
2713499101,3cyclictest7238-21taskset21:01:573
2713499101,3cyclictest7238-21taskset21:01:563
2713399105,3cyclictest11218-21grep19:51:032
2713399101,7cyclictest25644-21taskset20:29:502
2713399100,9cyclictest0-21swapper/222:05:412
2713299105,3cyclictest3702-21ssh00:35:391
2713299100,8cyclictest3544-21munin-node1
2713299100,8cyclictest3544-21munin-node1
2713199107,2cyclictest7255-21kworker/u8:123:31:040
2713199107,2cyclictest0-21swapper/020:01:010
2713199105,3cyclictest10041-21tr19:50:130
2713199100,8cyclictest25670-21munin-run20:29:590
2713199100,8cyclictest19616-21cron20:14:590
271349996,2cyclictest0-21swapper/320:05:123
271349994,3cyclictest26080-21cpu20:30:133
271329996,2cyclictest0-21swapper/120:26:031
271329996,2cyclictest0-21swapper/119:20:141
271319996,2cyclictest9526-21diskmemload00:20:270
271319996,2cyclictest0-21swapper/021:44:500
271319996,2cyclictest0-21swapper/000:19:290
271319994,4cyclictest0-21swapper/019:43:050
271319990,7cyclictest274-21jbd2/sda1-820:20:170
271319990,2cyclictest0-21swapper/020:35:160
271349983,3cyclictest3728-21runrttasks19:13:323
271339983,3cyclictest5853-21telnet21:00:132
271339983,3cyclictest5853-21telnet21:00:122
271329984,2cyclictest1875-21df_abs19:30:131
271329983,3cyclictest27465-21taskset19:11:461
271319985,2cyclictest0-21swapper/020:46:030
271319985,2cyclictest0-21swapper/019:11:500
271319970,6cyclictest0-21swapper/019:20:040
271319970,2cyclictest0-21swapper/019:30:050
271319970,2cyclictest0-21swapper/019:15:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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