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2026-04-17 - 07:50

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 all highest latencies:
System rack3slot6s.osadl.org (updated Fri Apr 17, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17270210897,6sleep10-21swapper/119:08:581
17279210796,6sleep00-21swapper/019:09:040
17287210695,6sleep30-21swapper/319:09:113
16596210083,12sleep20-21swapper/219:05:342
306472800,0sleep10-21swapper/123:56:221
230742770,0sleep20-21swapper/221:32:212
227852760,0sleep10-21swapper/122:05:511
316762690,1sleep00-21swapper/000:31:240
25002680,0sleep00-21swapper/021:10:550
157412660,0sleep20-21swapper/200:15:152
293272640,0sleep00-21swapper/022:13:030
1737999350,2cyclictest0-21swapper/022:15:110
1737999350,2cyclictest0-21swapper/022:15:110
239312200,1sleep20-21swapper/223:15:232
25692190,1sleep30-21swapper/300:35:163
60312180,0sleep20-21swapper/200:05:132
36812180,0sleep10-21swapper/121:12:051
309022180,1sleep30-21swapper/322:49:263
195602170,0sleep30-21swapper/321:29:013
17382991714,2cyclictest14211-21kworker/u8:223:58:043
1738199170,15cyclictest0-21swapper/200:25:002
1738199161,13cyclictest0-21swapper/222:15:142
1738199161,13cyclictest0-21swapper/222:15:142
1738099161,13cyclictest0-21swapper/121:35:141
1737999162,12cyclictest0-21swapper/020:32:580
1738299150,3cyclictest0-21swapper/322:20:193
1738299150,3cyclictest0-21swapper/322:20:193
17381991511,2cyclictest0-21swapper/223:20:062
17381991510,3cyclictest7995-21fschecks_time20:05:132
1738199150,13cyclictest24572-21munin-node2
17380991512,2cyclictest8907-21kworker/u8:021:19:041
17380991512,2cyclictest0-21swapper/123:30:041
1738099151,12cyclictest20768-21sh23:12:151
1738099150,13cyclictest0-21swapper/121:25:141
1738099150,13cyclictest0-21swapper/119:45:171
1738099150,13cyclictest0-21swapper/100:23:301
1737999152,7cyclictest0-21swapper/020:05:000
17379991512,2cyclictest17338-21apt-get22:35:110
17379991510,3cyclictest0-21swapper/021:20:140
1737999150,3cyclictest0-21swapper/023:20:120
1737999150,13cyclictest18204-21sensors22:01:020
1737999150,13cyclictest0-21swapper/023:31:220
81862140,2sleep00-21swapper/021:50:200
1738299141,2cyclictest28713-21taskset22:12:043
17382991411,2cyclictest23750-21kworker/u8:221:22:053
17382991411,2cyclictest19232-21kworker/u8:222:18:043
17382991411,2cyclictest19232-21kworker/u8:222:18:043
17382991411,2cyclictest10352-21ssh23:35:173
17382991411,2cyclictest0-21swapper/300:12:273
17382991411,2cyclictest0-21swapper/300:05:123
17382991410,2cyclictest0-21swapper/319:45:143
1738299140,2cyclictest15232-21apt-get00:15:133
1738299140,2cyclictest0-21swapper/319:25:113
1738299140,12cyclictest4927-21sh21:46:573
1738299140,12cyclictest21591-21sh23:47:063
1738299140,12cyclictest0-21swapper/322:56:563
1738199149,3cyclictest0-21swapper/223:25:112
1738199141,11cyclictest0-21swapper/219:20:112
1738199140,13cyclictest0-21swapper/220:55:172
1738199140,12cyclictest7912-21apt-get22:25:132
1738199140,12cyclictest1296-21apt-get19:50:112
1738199140,12cyclictest0-21swapper/223:40:232
1738199140,12cyclictest0-21swapper/222:05:122
1738099141,3cyclictest0-21swapper/119:15:171
17380991411,2cyclictest699-21diskmemload23:47:591
1738099141,12cyclictest699-21diskmemload00:18:101
17380991411,2cyclictest699-21diskmemload00:07:531
17380991411,2cyclictest21190-21kworker/1:019:55:151
17380991411,2cyclictest10600-21kworker/u8:019:20:051
17380991411,2cyclictest0-21swapper/122:59:541
17380991411,2cyclictest0-21swapper/121:49:441
17380991411,2cyclictest0-21swapper/121:40:541
17380991411,2cyclictest0-21swapper/120:00:141
17380991410,2cyclictest0-21swapper/121:30:121
1738099140,2cyclictest0-21swapper/122:14:211
1738099140,13cyclictest0-21swapper/123:08:001
1738099140,13cyclictest0-21swapper/122:40:541
1738099140,13cyclictest0-21swapper/122:25:431
1738099140,12cyclictest699-21diskmemload23:51:491
1738099140,12cyclictest0-21swapper/123:36:591
1738099140,12cyclictest0-21swapper/121:20:501
1738099140,12cyclictest0-21swapper/120:20:141
1738099140,12cyclictest0-21swapper/120:05:281
1738099140,12cyclictest0-21swapper/100:00:371
1737999149,3cyclictest24059-21ssh22:07:140
1737999142,7cyclictest0-21swapper/019:50:010
1737999142,6cyclictest0-21swapper/000:10:000
1737999141,2cyclictest186302sleep023:44:580
1737999140,3cyclictest15614-21munin-node0
1737999140,13cyclictest0-21swapper/022:21:220
1737999140,13cyclictest0-21swapper/022:21:210
1737999140,12cyclictest8810-21ssh21:17:210
1737999140,12cyclictest0-21swapper/023:35:540
6922130,2sleep00-21swapper/021:43:100
29912130,2sleep00-21swapper/022:54:330
216132130,2sleep10-21swapper/120:40:111
17382991310,2cyclictest9517-21munin-node3
17382991310,2cyclictest31352-21kworker/u8:021:10:013
17382991310,2cyclictest26483-21ssh23:19:053
17382991310,2cyclictest0-21swapper/323:20:073
17382991310,2cyclictest0-21swapper/323:11:353
17382991310,2cyclictest0-21swapper/323:08:053
17382991310,2cyclictest0-21swapper/322:33:173
17382991310,2cyclictest0-21swapper/322:01:153
17382991310,2cyclictest0-21swapper/321:40:153
17382991310,2cyclictest0-21swapper/320:00:153
17382991310,2cyclictest0-21swapper/319:40:153
17382991310,2cyclictest0-21swapper/300:21:353
1738299130,2cyclictest0-21swapper/321:51:043
1738299130,12cyclictest0-21swapper/323:50:273
1738299130,12cyclictest0-21swapper/321:35:053
1738299130,12cyclictest0-21swapper/319:30:133
1738299130,12cyclictest0-21swapper/300:02:373
1738299130,11cyclictest0-21swapper/322:50:053
1738299130,11cyclictest0-21swapper/321:16:073
1738199139,2cyclictest0-21swapper/200:35:182
1738199131,8cyclictest29519-21munin-run19:40:002
17381991310,2cyclictest0-21swapper/221:11:032
17381991310,2cyclictest0-21swapper/219:15:172
1738199130,2cyclictest0-21swapper/221:25:012
1738199130,12cyclictest0-21swapper/223:33:462
1738199130,12cyclictest0-21swapper/223:05:152
17380991310,2cyclictest31266-21kworker/u8:223:26:041
17380991310,2cyclictest3099-21kworker/u8:122:21:041
17380991310,2cyclictest3099-21kworker/u8:122:21:041
17380991310,2cyclictest0-21swapper/123:21:011
17380991310,2cyclictest0-21swapper/122:15:121
17380991310,2cyclictest0-21swapper/122:15:121
17380991310,2cyclictest0-21swapper/121:50:171
17380991310,2cyclictest0-21swapper/120:56:011
17380991310,2cyclictest0-21swapper/120:15:171
17380991310,2cyclictest0-21swapper/100:10:331
1738099130,2cyclictest699-21diskmemload23:41:391
1738099130,2cyclictest0-21swapper/123:01:021
1738099130,2cyclictest0-21swapper/122:47:511
1738099130,2cyclictest0-21swapper/121:56:511
1738099130,2cyclictest0-21swapper/121:06:041
1738099130,2cyclictest0-21swapper/119:50:181
1738099130,12cyclictest0-21swapper/123:16:401
1738099130,12cyclictest0-21swapper/122:51:331
1738099130,12cyclictest0-21swapper/122:31:311
1738099130,12cyclictest0-21swapper/122:00:231
1738099130,12cyclictest0-21swapper/120:36:031
1738099130,12cyclictest0-21swapper/120:10:581
1738099130,12cyclictest0-21swapper/100:32:331
1738099130,12cyclictest0-21swapper/100:25:201
1738099130,11cyclictest18411-21cut22:35:191
1737999138,3cyclictest0-21swapper/022:32:080
1737999132,6cyclictest0-21swapper/023:25:000
17379991310,2cyclictest0-21swapper/023:11:510
17379991310,2cyclictest0-21swapper/021:55:130
1737999130,3cyclictest0-21swapper/023:19:000
1737999130,2cyclictest0-21swapper/023:50:140
1737999130,2cyclictest0-21swapper/019:30:000
1737999130,2cyclictest0-21swapper/000:39:560
1737999130,2cyclictest0-21swapper/000:15:310
1737999130,2cyclictest0-21swapper/000:02:430
1737999130,12cyclictest0-21swapper/023:47:310
1737999130,12cyclictest0-21swapper/019:31:020
1737999130,12cyclictest0-21swapper/019:15:050
1737999130,10cyclictest0-21swapper/020:06:580
156592130,2sleep00-21swapper/023:06:440
120222130,2sleep30-21swapper/322:29:313
251652120,2sleep00-21swapper/022:42:510
17702120,2sleep20-21swapper/222:52:392
1738299129,2cyclictest0-21swapper/322:06:263
1738299129,2cyclictest0-21swapper/321:56:053
1738299129,2cyclictest0-21swapper/300:26:363
1738299128,3cyclictest10600-21kworker/u8:019:20:013
1738299126,4cyclictest274-21jbd2/sda1-823:00:163
1738299120,1cyclictest0-21swapper/323:32:163
1738299120,11cyclictest0-21swapper/323:41:073
1738299120,11cyclictest0-21swapper/323:25:263
1738299120,11cyclictest0-21swapper/321:31:153
1738299120,11cyclictest0-21swapper/321:06:043
1738299120,11cyclictest0-21swapper/300:30:163
1738299120,10cyclictest0-21swapper/322:42:263
1738199129,2cyclictest0-21swapper/223:01:032
1738199129,2cyclictest0-21swapper/222:42:022
1738199129,2cyclictest0-21swapper/222:34:062
1738199129,2cyclictest0-21swapper/222:13:232
1738199129,2cyclictest0-21swapper/221:40:112
1738199129,2cyclictest0-21swapper/221:23:102
1738199129,2cyclictest0-21swapper/200:28:032
1738199129,2cyclictest0-21swapper/200:01:042
1738199122,6cyclictest0-21swapper/220:20:002
1738199120,2cyclictest0-21swapper/223:55:522
1738199120,2cyclictest0-21swapper/223:10:122
1738199120,2cyclictest0-21swapper/222:24:162
1738199120,2cyclictest0-21swapper/222:24:162
1738199120,11cyclictest0-21swapper/223:45:112
1738199120,11cyclictest0-21swapper/223:38:422
1738199120,11cyclictest0-21swapper/222:46:122
1738199120,11cyclictest0-21swapper/222:37:122
1738199120,11cyclictest0-21swapper/222:00:032
1738199120,11cyclictest0-21swapper/221:52:242
1738199120,11cyclictest0-21swapper/221:48:532
1738199120,11cyclictest0-21swapper/221:35:142
1738199120,11cyclictest0-21swapper/221:17:442
1738199120,11cyclictest0-21swapper/220:25:152
1738199120,11cyclictest0-21swapper/200:31:552
1738099129,2cyclictest13230-21kworker/u8:219:12:041
1738099129,2cyclictest0-21swapper/120:45:151
1738099121,9cyclictest29736-21munin-node1
1738099121,3cyclictest2078-21cpuspeed_turbos00:35:121
1737999129,2cyclictest699-21diskmemload23:55:220
1737999129,2cyclictest0-21swapper/023:03:050
1737999129,2cyclictest0-21swapper/021:45:220
1737999129,2cyclictest0-21swapper/000:21:500
1737999127,3cyclictest27326-21ssh21:36:350
1737999122,7cyclictest0-21swapper/019:55:010
1737999121,3cyclictest22268-21sh21:31:050
1737999120,2cyclictest0-21swapper/022:56:420
1737999120,2cyclictest0-21swapper/021:26:160
1737999120,2cyclictest0-21swapper/020:15:120
1737999120,2cyclictest0-21swapper/019:10:160
1737999120,1cyclictest0-21swapper/022:48:030
1737999120,11cyclictest0-21swapper/022:25:180
1737999120,11cyclictest0-21swapper/000:26:390
1737999120,11cyclictest0-21swapper/000:10:340
136312120,2sleep213641-21ssh00:12:592
1738299118,2cyclictest17592-21apt-get19:10:103
1738299118,2cyclictest13559-21apt-get20:20:103
1738299118,2cyclictest0-21swapper/320:35:163
1738299118,2cyclictest0-21swapper/320:30:183
1738299110,1cyclictest0-21swapper/322:36:483
1738199118,2cyclictest0-21swapper/220:51:012
1738199118,2cyclictest0-21swapper/219:30:122
1738199112,6cyclictest19392-21http19:15:002
1738199110,2cyclictest0-21swapper/222:57:222
1738199110,2cyclictest0-21swapper/219:55:502
1738199110,10cyclictest0-21swapper/223:52:262
1738199110,10cyclictest0-21swapper/221:55:032
1738099118,2cyclictest26772-21kworker/u8:119:35:041
1738099118,2cyclictest26772-21kworker/u8:119:32:051
1738099110,3cyclictest0-21swapper/119:25:591
1737999111,6cyclictest0-21swapper/020:55:270
1737999111,6cyclictest0-21swapper/019:35:120
1737999110,1cyclictest0-21swapper/021:00:120
1737999110,10cyclictest0-21swapper/020:35:400
265552100,2sleep30-21swapper/320:50:193
1738299107,2cyclictest1282-21kworker/u8:019:50:043
1738299107,2cyclictest11264-21kworker/u8:220:15:043
1738299107,2cyclictest10600-21kworker/u8:019:19:053
1738199107,2cyclictest0-21swapper/220:40:172
1738199105,3cyclictest30187-21cut19:40:142
1738199105,3cyclictest29382-21aten2.4-expect21:00:092
1738099107,2cyclictest27117-21munin-run20:55:001
1738099101,8cyclictest0-21swapper/120:30:191
1737999105,3cyclictest31263-21sshd19:41:400
1737999102,7cyclictest0-21swapper/020:49:010
1737999100,9cyclictest0-21swapper/019:20:030
1737999100,6cyclictest0-21swapper/019:51:000
173829996,2cyclictest26772-21kworker/u8:121:04:043
173829996,2cyclictest26772-21kworker/u8:119:39:043
173829996,2cyclictest24869-21grep20:46:003
173829990,1cyclictest0-21swapper/320:43:203
173819994,3cyclictest9768-21cut20:10:102
173819994,3cyclictest6033-21fschecks_time20:00:142
173819994,3cyclictest18995-21unixbench_singl20:31:032
173819994,3cyclictest14089-21fschecks_time20:20:142
173819992,5cyclictest0-21swapper/220:36:012
173819991,5cyclictest0-21swapper/219:25:592
173809996,2cyclictest0-21swapper/121:00:151
173809990,3cyclictest0-21swapper/120:25:131
173799996,2cyclictest0-21swapper/020:50:180
173799996,2cyclictest0-21swapper/020:40:120
173799994,3cyclictest9797-21tr20:10:110
173799994,3cyclictest14432-21tr20:20:170
173799993,4cyclictest31638-21tr21:05:140
173829985,2cyclictest16014-21fschecks_count20:25:133
173829985,2cyclictest0-21swapper/319:56:593
173829984,3cyclictest3127-21nscd20:55:153
173829980,7cyclictest0-21swapper/320:06:253
173819983,3cyclictest31845-21telnet19:45:132
173819983,3cyclictest0-21swapper/221:05:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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