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2026-07-12 - 20:29

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #5

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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot5s.osadl.org (updated Sun Jul 12, 2026 12:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18911992625,0cyclictest0-21swapper/311:10:463
18907992624,1cyclictest0-21swapper/209:32:012
1890799260,25cyclictest0-21swapper/209:41:322
18911992522,2cyclictest9221-21basename10:05:003
18907992523,1cyclictest0-21swapper/209:12:042
1890799250,24cyclictest28153-21ntpq12:17:052
1890799250,24cyclictest13059-21diskmemload09:58:562
1890799250,24cyclictest13059-21diskmemload09:45:382
1890799250,24cyclictest0-21swapper/211:12:332
1890799250,24cyclictest0-21swapper/210:33:232
1890799250,21cyclictest0-21swapper/210:23:382
1890399253,21cyclictest13059-21diskmemload12:32:381
1890399250,24cyclictest13059-21diskmemload09:32:081
1890199250,24cyclictest13059-21diskmemload10:39:480
1891199240,24cyclictest0-21swapper/311:30:053
1891199240,23cyclictest29750-21ssh11:22:013
1891199240,23cyclictest0-21swapper/312:15:163
1891199240,23cyclictest0-21swapper/310:29:153
1891199240,22cyclictest313-21systemd-journal11:01:413
18907992423,1cyclictest0-21swapper/210:43:382
18907992422,1cyclictest0-21swapper/212:05:582
18907992422,1cyclictest0-21swapper/211:32:422
18907992422,1cyclictest0-21swapper/210:19:552
1890799240,23cyclictest0-21swapper/211:46:172
1890799240,23cyclictest0-21swapper/211:36:102
1890799240,23cyclictest0-21swapper/210:49:442
18903992424,0cyclictest0-21swapper/110:36:571
1890399242,21cyclictest13059-21diskmemload11:15:361
1890399240,24cyclictest0-21swapper/111:59:491
1890399240,23cyclictest26280-21ssh10:20:171
1890399240,23cyclictest10189-21ssh11:03:161
1890399240,23cyclictest0-21swapper/110:49:271
1890399240,0cyclictest15268-21ssh12:06:511
1890199242,1cyclictest62550irq/127-eno109:15:370
1890199240,24cyclictest0-21swapper/011:47:180
1890199240,24cyclictest0-21swapper/010:01:560
1890199240,23cyclictest30415-21ssh11:51:130
1890199240,23cyclictest25810-21ssh09:21:550
1890199240,23cyclictest20057-21ssh10:14:390
1890199240,23cyclictest19253-21ssh11:41:400
1890199240,23cyclictest13059-21diskmemload10:51:130
1890199240,23cyclictest13059-21diskmemload09:45:500
18911992323,0cyclictest0-21swapper/312:38:243
18911992323,0cyclictest0-21swapper/311:49:063
18911992323,0cyclictest0-21swapper/309:21:163
18911992322,1cyclictest13059-21diskmemload11:55:173
18911992321,1cyclictest16194-21grep10:40:013
18911992321,1cyclictest0-21swapper/312:32:463
18911992321,1cyclictest0-21swapper/310:16:413
1891199230,2cyclictest22576-21sh09:17:343
1891199230,23cyclictest13059-21diskmemload12:05:323
1891199230,23cyclictest13059-21diskmemload10:08:433
1891199230,23cyclictest0-21swapper/310:42:563
1891199230,23cyclictest0-21swapper/310:10:343
1891199230,23cyclictest0-21swapper/309:55:063
1891199230,22cyclictest13059-21diskmemload11:27:023
1891199230,22cyclictest13059-21diskmemload10:22:043
1891199230,1cyclictest0-21swapper/311:38:413
1891199230,0cyclictest0-21swapper/311:19:163
1891199230,0cyclictest0-21swapper/309:51:003
18907992323,0cyclictest13059-21diskmemload10:08:312
18907992323,0cyclictest0-21swapper/211:57:482
18907992321,1cyclictest0-21swapper/211:42:292
18907992321,1cyclictest0-21swapper/211:05:512
18907992321,1cyclictest0-21swapper/209:53:332
18907992321,1cyclictest0-21swapper/209:25:282
18907992320,2cyclictest5894-21grep11:00:002
1890799231,21cyclictest0-21swapper/212:36:532
1890799230,23cyclictest0-21swapper/211:20:332
1890799230,22cyclictest13059-21diskmemload12:10:042
1890799230,22cyclictest0-21swapper/211:26:402
1890799230,0cyclictest13059-21diskmemload12:25:132
1890799230,0cyclictest13059-21diskmemload10:12:262
1890799230,0cyclictest0-21swapper/212:22:072
1890799230,0cyclictest0-21swapper/211:00:102
1890799230,0cyclictest0-21swapper/210:04:102
18903992323,0cyclictest13059-21diskmemload12:27:041
18903992323,0cyclictest0-21swapper/112:35:171
18903992321,1cyclictest30152-21diskmemload12:18:551
18903992321,1cyclictest14470-21ssh09:11:261
18903992321,1cyclictest0-21swapper/111:40:361
18903992321,1cyclictest0-21swapper/111:26:301
18903992321,1cyclictest0-21swapper/110:02:041
18903992321,1cyclictest0-21swapper/109:45:511
1890399230,23cyclictest13059-21diskmemload10:42:451
1890399230,23cyclictest0-21swapper/111:30:481
1890399230,23cyclictest0-21swapper/110:15:471
1890399230,23cyclictest0-21swapper/110:08:021
1890399230,22cyclictest606-21dbus-daemon08:20:011
1890399230,22cyclictest10635-21sleep09:05:011
1890399230,22cyclictest0-21swapper/111:45:021
1890399230,22cyclictest0-21swapper/110:53:241
1890399230,1cyclictest8693-21ssh12:00:341
1890399230,0cyclictest0-21swapper/110:26:201
1890399230,0cyclictest0-21swapper/109:50:161
18901992323,0cyclictest0-21swapper/012:05:380
18901992323,0cyclictest0-21swapper/010:09:030
18901992322,1cyclictest13059-21diskmemload12:36:160
18901992322,1cyclictest0-21swapper/012:17:100
18901992321,1cyclictest62550irq/127-eno112:20:590
18901992321,1cyclictest2021-21ssh11:25:520
18901992321,1cyclictest13090-21wc09:10:010
18901992321,1cyclictest0-21swapper/010:16:340
1890199230,2cyclictest11713-21ssh11:05:060
1890199230,2cyclictest10768-21rm12:31:080
1890199230,23cyclictest13059-21diskmemload11:38:180
1890199230,23cyclictest0-21swapper/012:00:220
1890199230,23cyclictest0-21swapper/010:21:510
1890199230,23cyclictest0-21swapper/007:12:000
1890199230,22cyclictest3548-21ssh11:56:070
1890199230,22cyclictest2144-21ntp_states10:27:030
1890199230,22cyclictest18646-21ssh11:11:520
1890199230,22cyclictest0-21swapper/012:26:320
1890199230,22cyclictest0-21swapper/012:11:370
1890199230,22cyclictest0-21swapper/011:30:070
1890199230,22cyclictest0-21swapper/011:20:190
1890199230,1cyclictest0-21swapper/010:56:570
1890199230,0cyclictest13059-21diskmemload11:16:420
1890199230,0cyclictest13059-21diskmemload09:35:080
18911992222,0cyclictest0-21swapper/308:57:003
18911992221,1cyclictest0-21swapper/309:40:073
18911992221,0cyclictest24245-21apt-get08:27:003
18911992220,2cyclictest13059-21diskmemload10:58:123
18911992220,1cyclictest31681-21apt-get07:36:583
18911992220,1cyclictest0-21swapper/312:02:183
18911992220,1cyclictest0-21swapper/310:30:353
18911992220,1cyclictest0-21swapper/309:46:103
18911992220,1cyclictest0-21swapper/309:35:513
1891199220,22cyclictest0-21swapper/311:42:433
1891199220,22cyclictest0-21swapper/309:25:113
1891199220,21cyclictest3836-21apt-get08:52:003
1891199220,21cyclictest31027-21wc08:40:003
1891199220,21cyclictest0-21swapper/312:25:223
1891199220,21cyclictest0-21swapper/311:05:203
1891199220,21cyclictest0-21swapper/309:11:073
1891199220,1cyclictest31861-21ssh12:21:003
1891199220,1cyclictest13059-21diskmemload12:12:113
1891199220,1cyclictest0-21swapper/310:50:103
1891199220,1cyclictest0-21swapper/309:05:013
1891199220,0cyclictest0-21swapper/310:45:233
1891199220,0cyclictest0-21swapper/309:30:353
18907992222,0cyclictest0-21swapper/210:35:082
18907992222,0cyclictest0-21swapper/209:20:032
18907992220,1cyclictest0-21swapper/211:50:282
18907992220,1cyclictest0-21swapper/210:52:232
18907992220,1cyclictest0-21swapper/210:26:232
18907992220,1cyclictest0-21swapper/209:35:082
1890799220,21cyclictest23691-21wc07:20:012
1890799220,21cyclictest19381-21ssh09:15:302
1890799220,21cyclictest1795-21apt-get07:42:002
1890799220,21cyclictest13059-21diskmemload12:00:042
1890799220,21cyclictest0-21swapper/211:15:082
18903992222,0cyclictest0-21swapper/111:35:201
18903992222,0cyclictest0-21swapper/109:37:411
18903992222,0cyclictest0-21swapper/109:25:341
18903992222,0cyclictest0-21swapper/107:16:591
18903992221,1cyclictest26888-21apt-get07:26:581
18903992221,1cyclictest22758-21ssh09:18:011
18903992220,1cyclictest30071-21ssh11:50:461
18903992220,1cyclictest1703-21ssh09:57:201
1890399220,22cyclictest0-21swapper/110:30:061
1890399220,22cyclictest0-21swapper/109:42:251
1890399220,21cyclictest15309-21ssh10:10:201
1890399220,21cyclictest13059-21diskmemload09:20:061
1890399220,21cyclictest0-21swapper/108:52:001
1890399220,21cyclictest0-21swapper/108:05:011
1890399220,1cyclictest2528-21rm12:22:471
18901992221,0cyclictest0-21swapper/009:42:010
1890199220,2cyclictest3224-21ssh09:30:120
1890199220,22cyclictest13059-21diskmemload09:58:070
1890199220,21cyclictest8979-21apt-get07:57:000
1890199220,21cyclictest1427-21apt-get08:46:590
1890199220,1cyclictest16597-21sh10:40:140
1890199220,1cyclictest16239-21munin-run08:10:010
1890199220,1cyclictest16239-21munin-run08:10:010
1890199220,1cyclictest13577-21ssh09:10:210
1890199220,1cyclictest0-21swapper/010:47:500
1890199220,0cyclictest0-21swapper/011:00:060
1890199220,0cyclictest0-21swapper/010:31:110
1891199210,21cyclictest0-21swapper/308:31:593
1891199210,21cyclictest0-21swapper/308:20:023
1891199210,20cyclictest0-21swapper/307:52:003
1891199210,0cyclictest0-21swapper/307:46:583
18907992119,1cyclictest21052-21munin-run08:20:012
1890799210,20cyclictest26642-21apt-get08:32:002
1890799210,0cyclictest0-21swapper/209:02:012
18903992121,0cyclictest0-21swapper/107:31:591
18903992119,1cyclictest16235-21munin-plugin-st08:10:011
18903992119,1cyclictest16235-21munin-plugin-st08:10:011
1890399210,21cyclictest0-21swapper/111:20:151
1890399210,1cyclictest17437-21ssh11:10:111
18901992119,1cyclictest13450-21munin-run08:05:000
1890199210,0cyclictest0-21swapper/008:27:000
18911992018,1cyclictest21036-21perf08:20:013
1891199200,0cyclictest0-21swapper/307:56:593
1891199200,0cyclictest0-21swapper/307:21:593
18907992020,0cyclictest0-21swapper/208:41:582
18907992020,0cyclictest0-21swapper/207:36:582
1890799200,0cyclictest0-21swapper/208:52:002
18903992020,0cyclictest0-21swapper/108:21:591
1890399200,0cyclictest0-21swapper/108:32:001
18901992020,0cyclictest0-21swapper/007:31:590
18901992020,0cyclictest0-21swapper/007:21:590
18901992018,1cyclictest0-21swapper/008:20:020
18911991918,0cyclictest0-21swapper/307:16:593
18907991918,1cyclictest4189-21apt-get07:46:582
18907991917,1cyclictest21033-21apt-get08:20:022
18903991919,0cyclictest6232-21apt-get08:57:001
18903991919,0cyclictest0-21swapper/107:42:001
18903991918,1cyclictest16634-21apt-get08:12:001
18901991919,0cyclictest0-21swapper/008:36:590
18901991919,0cyclictest0-21swapper/007:42:000
18901991919,0cyclictest0-21swapper/007:36:580
18901991918,1cyclictest31453-21apt-get08:41:580
18901991918,1cyclictest21680-21apt-get07:16:590
1890199190,14cyclictest37582sleep008:51:240
18911991818,0cyclictest0-21swapper/309:06:593
18911991818,0cyclictest0-21swapper/308:01:593
18907991818,0cyclictest0-21swapper/207:21:592
18907991817,0cyclictest0-21swapper/208:05:022
18907991817,0cyclictest0-21swapper/208:05:022
18903991818,0cyclictest0-21swapper/108:36:591
18903991814,3cyclictest999-21awk08:45:001
1890399180,17cyclictest0-21swapper/107:15:001
18911991715,1cyclictest26705-21apt-get07:25:023
1891199170,16cyclictest0-21swapper/307:42:003
18907991717,0cyclictest1427-21apt-get08:46:592
18907991716,0cyclictest29037-21apt-get08:36:592
18903991717,0cyclictest0-21swapper/107:36:581
18901991717,0cyclictest0-21swapper/008:12:000
18901991716,0cyclictest0-21swapper/008:57:000
18911991616,0cyclictest0-21swapper/308:06:593
18911991616,0cyclictest0-21swapper/308:06:593
1890799165,10cyclictest1658-21munin-node07:56:032
18907991616,0cyclictest0-21swapper/208:27:002
18907991616,0cyclictest0-21swapper/207:12:002
1890799160,1cyclictest8576-21cron07:55:002
18903991616,0cyclictest11039-21apt-get09:06:591
18903991616,0cyclictest0-21swapper/107:51:591
18903991613,2cyclictest25718-21grep07:22:091
18901991616,0cyclictest0-21swapper/007:46:580
1890199160,15cyclictest28240-21mailstats07:27:060
18907991515,0cyclictest0-21swapper/208:01:592
1890799150,14cyclictest26092-21apt-get07:25:012
18901991513,1cyclictest7323-21modprobe07:52:030
1890199150,1cyclictest28302-21unixbench_multi08:32:090
1891199140,14cyclictest0-21swapper/308:42:033
1891199140,14cyclictest0-21swapper/308:10:013
1891199140,14cyclictest0-21swapper/307:10:373
18907991414,0cyclictest0-21swapper/209:06:592
1890799140,14cyclictest0-21swapper/208:10:142
1890799140,14cyclictest0-21swapper/207:31:092
1890799140,0cyclictest0-21swapper/208:58:162
18903991414,0cyclictest0-21swapper/108:28:441
1890399140,14cyclictest0-21swapper/108:45:461
1890399140,14cyclictest0-21swapper/107:48:021
1890399140,0cyclictest0-21swapper/107:55:061
18901991414,0cyclictest0-21swapper/009:00:080
18911991313,0cyclictest0-21swapper/308:46:023
18901991313,0cyclictest0-21swapper/008:15:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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