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2026-05-02 - 19:38

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 Sat May 02, 2026 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2225299280,27cyclictest16058-21diskmemload12:38:333
2224699270,26cyclictest0-21swapper/109:17:011
2225299260,25cyclictest26599-21/usr/sbin/munin09:51:123
2225299260,1cyclictest0-21swapper/310:25:123
22250992622,3cyclictest1652-21ssh12:05:362
2224699260,25cyclictest4541-21ssh09:30:061
2224699260,25cyclictest3116-21sed10:31:131
2224699260,25cyclictest27812-21apt-get12:31:081
2224699260,0cyclictest0-21swapper/109:53:381
22252992521,0cyclictest0-21swapper/310:12:103
22252992521,0cyclictest0-21swapper/309:19:543
2225299250,24cyclictest18230-21sh09:43:003
2225299250,21cyclictest0-21swapper/310:58:363
2225299250,1cyclictest0-21swapper/310:47:403
22250992523,1cyclictest31910-21perf11:00:002
2225099250,24cyclictest29565-21apt-get08:31:062
22246992523,2cyclictest0-21swapper/110:56:471
2224699250,24cyclictest0-21swapper/111:24:361
2224699250,21cyclictest9501-21ssh11:09:371
2224699250,21cyclictest14507-21ssh12:17:071
2224699250,21cyclictest0-21swapper/112:10:431
2224699250,21cyclictest0-21swapper/109:24:491
2224699250,0cyclictest12353-21timerwakeupswit11:11:161
22242992522,2cyclictest27453-21sh09:21:080
2224299250,2cyclictest16078-21perf09:10:010
2224299250,24cyclictest0-21swapper/011:43:520
22252992422,1cyclictest16058-21diskmemload09:46:193
22252992421,0cyclictest0-21swapper/309:31:263
22252992420,0cyclictest0-21swapper/312:12:323
2225299240,23cyclictest16058-21diskmemload11:55:163
2225299240,23cyclictest0-21swapper/311:48:013
2225299240,23cyclictest0-21swapper/310:41:563
2225299240,21cyclictest16058-21diskmemload11:30:543
2225299240,0cyclictest0-21swapper/311:25:053
22250992418,4cyclictest20565-21sh12:23:452
2225099240,3cyclictest25568-21ssh12:27:562
2225099240,23cyclictest5397-21ssh10:33:592
2225099240,1cyclictest0-21swapper/209:34:122
2225099240,0cyclictest0-21swapper/210:50:342
22246992423,1cyclictest2839-21cron11:35:011
22246992423,1cyclictest16058-21diskmemload10:40:351
22246992420,3cyclictest19520-21ssh10:46:281
22246992420,3cyclictest10987-21ssh11:41:401
2224699240,24cyclictest0-21swapper/112:36:321
2224699240,24cyclictest0-21swapper/111:47:351
2224699240,24cyclictest0-21swapper/110:27:301
2224699240,23cyclictest0-21swapper/109:35:341
2224699240,0cyclictest0-21swapper/112:20:171
2224699240,0cyclictest0-21swapper/109:46:201
22242992424,0cyclictest16058-21diskmemload12:28:590
22242992422,1cyclictest0-21swapper/012:32:500
22242992422,1cyclictest0-21swapper/012:04:260
22242992422,1cyclictest0-21swapper/010:57:360
2224299240,2cyclictest32406-21kworker/u8:207:15:020
2224299240,23cyclictest23248-21ls11:55:000
2224299240,23cyclictest0-21swapper/012:07:260
2224299240,23cyclictest0-21swapper/010:41:120
2224299240,23cyclictest0-21swapper/010:23:450
2224299240,1cyclictest619-21polkitd10:40:010
2224299240,1cyclictest29235-21apt-get10:26:070
2224299240,0cyclictest0-21swapper/011:55:460
22252992323,0cyclictest0-21swapper/312:06:483
22252992323,0cyclictest0-21swapper/311:17:193
22252992323,0cyclictest0-21swapper/310:35:593
22252992323,0cyclictest0-21swapper/310:30:413
22252992321,1cyclictest0-21swapper/310:05:343
2225299230,2cyclictest14137-21diskmemload09:39:423
2225299230,23cyclictest0-21swapper/311:54:083
2225299230,22cyclictest381-21/usr/sbin/munin11:01:113
2225299230,22cyclictest24877-21ssh10:51:553
2225299230,22cyclictest16058-21diskmemload09:13:243
2225299230,22cyclictest0-21swapper/311:12:003
2225299230,22cyclictest0-21swapper/311:05:543
2225299230,22cyclictest0-21swapper/309:23:273
2225299230,0cyclictest16058-21diskmemload11:42:233
2225299230,0cyclictest0-21swapper/312:02:423
2225299230,0cyclictest0-21swapper/310:20:003
2225299230,0cyclictest0-21swapper/310:00:053
22250992323,0cyclictest16058-21diskmemload09:12:572
22250992323,0cyclictest0-21swapper/212:03:182
22250992323,0cyclictest0-21swapper/211:50:472
22250992321,1cyclictest622-21gdbus09:00:012
22250992321,1cyclictest25966-21apt-get11:26:062
22250992321,1cyclictest2020-21apt-get08:41:062
22250992321,1cyclictest16058-21diskmemload10:40:112
22250992320,2cyclictest16058-21diskmemload11:57:342
22250992319,3cyclictest0-21swapper/211:09:082
2225099230,2cyclictest25309-21sh09:50:462
2225099230,23cyclictest0-21swapper/212:32:542
2225099230,23cyclictest0-21swapper/211:40:112
2225099230,23cyclictest0-21swapper/209:25:202
2225099230,22cyclictest7104-21rm11:38:462
2225099230,22cyclictest19391-21ssh09:44:532
2225099230,22cyclictest17623-21ssh11:16:202
2225099230,22cyclictest0-21swapper/212:16:272
2225099230,1cyclictest0-21swapper/209:16:212
2225099230,0cyclictest0-21swapper/212:39:062
2225099230,0cyclictest0-21swapper/211:21:122
22246992323,0cyclictest0-21swapper/112:25:221
22246992323,0cyclictest0-21swapper/111:35:051
22246992323,0cyclictest0-21swapper/111:26:281
22246992323,0cyclictest0-21swapper/110:12:561
22246992320,3cyclictest0-21swapper/112:03:081
22246992320,3cyclictest0-21swapper/111:54:401
2224699230,23cyclictest0-21swapper/110:37:061
2224699230,23cyclictest0-21swapper/110:06:151
2224699230,23cyclictest0-21swapper/109:29:511
2224699230,22cyclictest25321-21ssh10:21:141
2224699230,22cyclictest15558-21rm11:15:451
2224699230,20cyclictest0-21swapper/112:05:011
2224699230,0cyclictest0-21swapper/111:00:061
2224699230,0cyclictest0-21swapper/110:18:571
2224699230,0cyclictest0-21swapper/109:11:121
22242992323,0cyclictest16058-21diskmemload11:35:450
22242992323,0cyclictest0-21swapper/009:49:430
22242992323,0cyclictest0-21swapper/008:41:060
22242992322,1cyclictest62550irq/127-eno112:37:410
22242992321,1cyclictest0-21swapper/011:46:090
22242992321,1cyclictest0-21swapper/010:51:270
22242992321,1cyclictest0-21swapper/010:02:250
2224299232,0cyclictest0-21swapper/012:21:070
2224299230,23cyclictest0-21swapper/009:26:540
2224299230,22cyclictest31634-21munin-run08:35:000
2224299230,22cyclictest15497-21sh11:15:390
2224299230,22cyclictest0-21swapper/009:35:010
2224299230,22cyclictest0-21swapper/009:10:360
2224299230,21cyclictest2460-21ssh11:01:310
2224299230,0cyclictest0-21swapper/010:46:550
2224299230,0cyclictest0-21swapper/010:31:410
2224299230,0cyclictest0-21swapper/010:17:480
2224299230,0cyclictest0-21swapper/010:07:150
22252992221,1cyclictest0-21swapper/309:25:053
22252992220,1cyclictest0-21swapper/312:25:523
22252992219,2cyclictest32222-21latency_hist07:30:013
2225299220,21cyclictest19544-21cron08:10:013
2225299220,21cyclictest0-21swapper/312:17:363
2225299220,21cyclictest0-21swapper/310:20:023
2225299220,21cyclictest0-21swapper/309:56:513
2225299220,21cyclictest0-21swapper/308:51:063
2225299220,21cyclictest0-21swapper/308:16:063
2225299220,1cyclictest606-21dbus-daemon12:31:163
2225299220,0cyclictest0-21swapper/311:39:043
22250992222,0cyclictest0-21swapper/211:01:402
22250992222,0cyclictest0-21swapper/210:07:132
22250992221,1cyclictest26966-21ssh09:20:382
22250992220,1cyclictest6396-21ssh12:10:102
22250992220,1cyclictest4453-21ssh10:01:102
22250992217,4cyclictest0-21swapper/211:45:302
2225099220,22cyclictest16058-21diskmemload10:16:382
2225099220,22cyclictest0-21swapper/210:38:222
2225099220,22cyclictest0-21swapper/209:45:032
2225099220,21cyclictest28905-21ssh10:25:402
2225099220,21cyclictest0-21swapper/210:10:122
2225099220,21cyclictest0-21swapper/209:36:002
2225099220,21cyclictest0-21swapper/207:16:072
2225099220,0cyclictest16058-21diskmemload10:45:282
22246992221,1cyclictest24779-21apt-get08:21:071
2224699220,21cyclictest23912-21ssh11:55:471
2224699220,21cyclictest0-21swapper/108:36:061
2224699220,21cyclictest0-21swapper/107:16:061
2224699220,1cyclictest14664-21ssh09:40:071
2224699220,1cyclictest0-21swapper/110:01:321
22242992220,1cyclictest30429-21ssh09:55:150
22242992220,1cyclictest0-21swapper/011:11:100
22242992219,2cyclictest607-21in:imuxsock09:00:010
2224299220,22cyclictest0-21swapper/012:14:110
2224299220,22cyclictest0-21swapper/011:27:360
2224299220,21cyclictest0-21swapper/011:20:160
2224299220,21cyclictest0-21swapper/011:05:030
2224299220,21cyclictest0-21swapper/009:31:070
2224299220,21cyclictest0-21swapper/009:15:550
2224299220,1cyclictest13822-21sh10:10:590
2224299220,1cyclictest0-21swapper/009:41:110
2225299210,21cyclictest0-21swapper/311:20:243
2225299210,20cyclictest21948-21awk08:15:013
2225299210,20cyclictest0-21swapper/309:01:073
22250992121,0cyclictest0-21swapper/211:11:092
22250992119,1cyclictest17170-21dump-pmu-power08:05:012
2225099210,1cyclictest24119-21apt-get10:21:072
2225099210,0cyclictest19907-21apt-get08:11:062
2225099210,0cyclictest0-21swapper/209:01:072
2225099210,0cyclictest0-21swapper/207:46:062
22246992120,1cyclictest22310-21apt-get08:16:061
22246992120,1cyclictest12702-21apt-get07:56:061
22246992119,1cyclictest24605-21sh07:15:001
2224699210,1cyclictest14017-21apt-get09:06:071
2224699210,0cyclictest0-21swapper/107:41:061
22242992121,0cyclictest0-21swapper/008:36:060
22242992119,1cyclictest313-21systemd-journal08:55:000
22242992119,1cyclictest26842-21munin-run08:25:010
2224299210,20cyclictest0-21swapper/008:01:090
22252992020,0cyclictest27169-21apt-get08:26:063
22252992020,0cyclictest0-21swapper/308:01:093
22252992020,0cyclictest0-21swapper/307:11:063
2225299200,0cyclictest0-21swapper/308:56:073
2225299200,0cyclictest0-21swapper/307:41:063
22250992020,0cyclictest0-21swapper/209:06:072
22250992020,0cyclictest0-21swapper/208:26:062
22250992018,1cyclictest0-21swapper/207:45:002
2225099200,0cyclictest0-21swapper/207:21:062
22246992020,0cyclictest9574-21apt-get07:50:021
22246992020,0cyclictest27768-21apt-get07:21:061
22246992020,0cyclictest0-21swapper/108:26:061
22246992020,0cyclictest0-21swapper/107:31:071
22246992018,2cyclictest0-21swapper/107:26:061
22246992018,1cyclictest4072-21turbostat08:45:001
2224699200,3cyclictest0-21swapper/107:46:071
2224699200,20cyclictest0-21swapper/108:11:061
22242992020,0cyclictest0-21swapper/007:11:060
2224299200,20cyclictest7872-21kworker/0:007:32:060
22252991918,0cyclictest0-21swapper/308:50:003
22250991919,0cyclictest30160-21apt-get07:26:072
22250991919,0cyclictest0-21swapper/207:36:072
22250991917,1cyclictest606-21dbus-daemon08:10:012
2225099190,1cyclictest2267-21perf07:35:012
22246991919,0cyclictest4414-21apt-get08:46:061
22246991919,0cyclictest2598-21apt-get07:36:071
2224699190,5cyclictest0-21swapper/108:51:061
22242991919,0cyclictest0-21swapper/007:21:060
22242991917,1cyclictest0-21swapper/007:30:010
22252991817,1cyclictest0-21swapper/307:50:023
22252991817,1cyclictest0-21swapper/307:21:063
22250991818,0cyclictest0-21swapper/207:56:062
2225099180,17cyclictest6808-21apt-get08:51:062
22246991818,0cyclictest0-21swapper/108:31:061
22246991816,2cyclictest0-21swapper/108:06:071
22242991818,0cyclictest0-21swapper/008:11:060
22242991818,0cyclictest0-21swapper/007:56:060
22242991818,0cyclictest0-21swapper/007:41:060
22242991816,1cyclictest29204-21cron08:30:000
22252991717,0cyclictest0-21swapper/307:46:063
22252991715,1cyclictest14776-21perf08:00:003
2224699170,0cyclictest0-21swapper/109:04:171
22242991717,0cyclictest0-21swapper/008:46:060
22242991717,0cyclictest0-21swapper/007:46:060
22242991717,0cyclictest0-21swapper/007:36:070
22242991715,1cyclictest0-21swapper/007:50:020
22252991616,0cyclictest0-21swapper/309:06:073
22246991616,0cyclictest0-21swapper/108:01:091
22242991616,0cyclictest0-21swapper/009:01:070
22252991515,0cyclictest0-21swapper/308:41:063
22250991515,0cyclictest22559-21apt-get07:11:062
2225099150,6cyclictest0-21swapper/208:21:072
2225099150,13cyclictest793-21lldpd07:53:312
22242991515,0cyclictest0-21swapper/008:16:060
22252991414,0cyclictest0-21swapper/308:20:133
22252991412,1cyclictest0-21swapper/308:36:103
2225299140,14cyclictest0-21swapper/308:30:203
2225299140,14cyclictest0-21swapper/307:35:193
2225299140,14cyclictest0-21swapper/307:30:213
22250991412,1cyclictest0-21swapper/208:36:112
2225099140,14cyclictest0-21swapper/208:45:242
2225099140,0cyclictest0-21swapper/208:15:342
2224299140,14cyclictest0-21swapper/008:05:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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