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2026-08-12 - 17:57

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 Wed Aug 12, 2026 12:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2642099260,25cyclictest31947-21idleruntime-cro11:40:002
2641899260,25cyclictest0-21swapper/011:59:310
2641899260,1cyclictest0-21swapper/009:12:150
2641899250,1cyclictest606-21dbus-daemon08:55:000
26420992422,1cyclictest20959-21sh09:10:092
2642099240,23cyclictest27122-21perf11:30:002
2642099240,22cyclictest313-21systemd-journal10:55:012
2641999240,24cyclictest20583-21diskmemload09:11:151
26421992321,1cyclictest31931-21perf11:40:003
26421992320,2cyclictest22444-21sh09:11:593
2642199230,22cyclictest28404-21basename12:40:013
2642199230,22cyclictest0-21swapper/312:34:343
2642099230,22cyclictest1808-21apt-get07:29:332
2642099230,1cyclictest18793-21awk12:20:002
2642099230,0cyclictest0-21swapper/208:19:332
26419992321,1cyclictest0-21swapper/108:34:321
2641999230,22cyclictest607-21in:imuxsock10:00:001
26418992321,1cyclictest2681-21awk10:40:000
26418992321,1cyclictest0-21swapper/007:45:010
2641899230,22cyclictest3793-21idleruntime-cro09:35:010
2641899230,1cyclictest0-21swapper/011:39:340
26421992222,0cyclictest31823-21apt-get07:24:333
26421992220,1cyclictest3800-21perf09:35:013
26421992220,1cyclictest3604-21perf07:30:003
26421992220,1cyclictest1555-21apt-get08:34:333
26421992220,1cyclictest0-21swapper/311:30:003
26421992220,1cyclictest0-21swapper/309:45:003
2642199220,21cyclictest28476-21apt-get10:29:343
2642199220,21cyclictest24726-21munin-run11:25:003
2642199220,21cyclictest0-21swapper/307:39:313
2642199220,1cyclictest12719-21munin-run11:00:013
2642199220,0cyclictest20555-21apt-get08:05:013
2642099220,21cyclictest8220-21apt-get08:45:022
2642099220,21cyclictest622-21gdbus11:25:002
2642099220,21cyclictest23364-21perf08:10:002
2642099220,1cyclictest13461-21perf09:55:002
26419992220,1cyclictest26365-21apt-get08:19:331
26419992220,1cyclictest18272-21munin-run10:05:001
26419992220,1cyclictest0-21swapper/111:05:011
26419992220,1cyclictest0-21swapper/107:29:331
2641999220,21cyclictest32545-21apt-get11:44:331
2641999220,21cyclictest26078-21apt-get10:24:351
2641999220,21cyclictest0-21swapper/111:39:341
2641999220,21cyclictest0-21swapper/109:49:331
2641999220,21cyclictest0-21swapper/109:39:331
2641999220,21cyclictest0-21swapper/107:44:321
2641999220,1cyclictest29625-21apt-get09:24:331
2641999220,1cyclictest28781-21apt07:15:001
2641999220,1cyclictest2527-21apt-get11:49:331
26418992221,1cyclictest8667-21perf09:45:000
2641899220,22cyclictest0-21swapper/012:19:330
2641899220,21cyclictest622-21gdbus07:40:000
2641899220,21cyclictest0-21swapper/011:44:330
2641899220,21cyclictest0-21swapper/010:09:340
2641899220,21cyclictest0-21swapper/009:40:000
2641899220,21cyclictest0-21swapper/009:24:330
2641899220,21cyclictest0-21swapper/009:20:010
2641899220,21cyclictest0-21swapper/009:20:010
2641899220,21cyclictest0-21swapper/008:44:340
2641899220,1cyclictest0-21swapper/009:00:000
2641899220,1cyclictest0-21swapper/008:50:010
26421992121,0cyclictest0-21swapper/311:44:333
26421992121,0cyclictest0-21swapper/308:54:323
26421992121,0cyclictest0-21swapper/308:19:333
26421992120,0cyclictest14054-21apt-get09:59:323
26421992120,0cyclictest13969-21apt-get07:54:323
26421992119,1cyclictest0-21swapper/310:55:013
2642199210,20cyclictest0-21swapper/311:49:343
2642199210,20cyclictest0-21swapper/310:24:353
2642199210,1cyclictest15815-21perf09:00:003
26420992120,0cyclictest27730-21apt-get11:34:332
26420992120,0cyclictest12185-21apt-get12:09:372
26420992119,1cyclictest0-21swapper/210:19:332
2642099210,21cyclictest0-21swapper/207:19:322
2642099210,20cyclictest16423-21apt-get09:04:312
2642099210,20cyclictest0-21swapper/210:34:322
2642099210,20cyclictest0-21swapper/209:19:322
2642099210,20cyclictest0-21swapper/209:19:322
2642099210,20cyclictest0-21swapper/208:34:322
2642099210,20cyclictest0-21swapper/208:04:342
2642099210,20cyclictest0-21swapper/207:14:322
2642099210,1cyclictest0-21swapper/209:35:012
2642099210,0cyclictest0-21swapper/209:44:322
26419992121,0cyclictest16969-21apt-get12:19:331
26419992121,0cyclictest0-21swapper/112:39:331
26419992121,0cyclictest0-21swapper/112:09:371
26419992120,1cyclictest24179-21apt-get12:34:341
26419992120,0cyclictest0-21swapper/112:29:321
26419992119,1cyclictest8544-21turbostat07:40:001
26419992119,1cyclictest5068-21awk10:45:001
26419992119,1cyclictest313-21systemd-journal08:10:001
26419992118,2cyclictest7505-21turbostat10:50:001
26419992118,2cyclictest22335-21lockfile-remove11:20:001
2641999210,20cyclictest31182-21apt-get08:29:331
2641999210,20cyclictest0-21swapper/111:34:321
2641999210,20cyclictest0-21swapper/108:45:021
2641999210,0cyclictest29404-21apt-get07:19:311
2641999210,0cyclictest0-21swapper/112:24:341
26418992121,0cyclictest27009-21apt-get07:14:320
26418992121,0cyclictest10909-21apt-get10:59:330
26418992121,0cyclictest0-21swapper/010:49:330
26418992121,0cyclictest0-21swapper/010:04:340
26418992120,0cyclictest0-21swapper/012:24:340
26418992119,1cyclictest4290-21cron11:50:010
26418992119,1cyclictest0-21swapper/009:04:310
2641899210,21cyclictest0-21swapper/012:34:340
2641899210,21cyclictest0-21swapper/011:04:340
2641899210,21cyclictest0-21swapper/009:09:320
2641899210,0cyclictest0-21swapper/010:24:350
2641899210,0cyclictest0-21swapper/009:49:330
26421992020,0cyclictest18817-21apt-get09:09:323
26421992020,0cyclictest16359-21apt-get07:59:313
26421992020,0cyclictest0-21swapper/312:04:353
26421992020,0cyclictest0-21swapper/310:19:343
26421992020,0cyclictest0-21swapper/309:55:003
26421992020,0cyclictest0-21swapper/308:14:323
26421992020,0cyclictest0-21swapper/307:14:323
26421992019,1cyclictest18781-21apt-get08:04:343
26421992018,1cyclictest21177-21munin-plugin-st12:25:003
2642199200,0cyclictest15718-21apt-get11:09:323
2642199200,0cyclictest0-21swapper/312:29:323
2642199200,0cyclictest0-21swapper/310:39:323
2642199200,0cyclictest0-21swapper/309:04:323
26420992020,0cyclictest0-21swapper/212:14:342
26420992020,0cyclictest0-21swapper/207:54:332
26420992020,0cyclictest0-21swapper/207:24:332
26420992019,0cyclictest11615-21apt-get08:54:332
26420992018,1cyclictest18112-21apt-get11:14:332
2642099200,0cyclictest0-21swapper/211:19:332
2642099200,0cyclictest0-21swapper/209:09:322
26419992020,0cyclictest0-21swapper/112:04:341
26419992020,0cyclictest0-21swapper/108:44:341
26419992020,0cyclictest0-21swapper/108:24:341
26419992020,0cyclictest0-21swapper/107:24:331
26419992019,1cyclictest20651-21dump-pmu-power10:10:011
26419992018,1cyclictest22-21ksoftirqd/109:00:001
2641999200,20cyclictest0-21swapper/110:34:311
2641999200,0cyclictest0-21swapper/109:54:321
2641999200,0cyclictest0-21swapper/107:49:331
26418992020,0cyclictest4924-21apt-get11:54:340
26418992020,0cyclictest0-21swapper/010:54:340
26418992020,0cyclictest0-21swapper/010:14:320
26418992020,0cyclictest0-21swapper/008:14:320
26418992020,0cyclictest0-21swapper/007:34:330
26418992018,1cyclictest20570-21perf08:05:000
26418992015,4cyclictest0-21swapper/008:34:330
2641899200,0cyclictest0-21swapper/011:09:320
2641899200,0cyclictest0-21swapper/010:19:340
26421991919,0cyclictest9180-21apt-get07:44:323
26421991919,0cyclictest0-21swapper/311:59:313
26421991919,0cyclictest0-21swapper/308:45:023
26421991919,0cyclictest0-21swapper/307:19:313
26421991918,1cyclictest9265-21apt-get09:49:333
26421991917,1cyclictest516-21perf08:30:003
26421991917,1cyclictest22292-21awk11:20:003
26420991919,0cyclictest848-21apt-get10:39:322
26420991919,0cyclictest3958-21apt-get08:39:322
26420991919,0cyclictest0-21swapper/211:49:332
26420991919,0cyclictest0-21swapper/207:44:322
26420991918,0cyclictest14007-21apt-get08:59:322
2642099190,18cyclictest7512-21cron10:50:002
26419991919,0cyclictest0-21swapper/111:09:321
26419991919,0cyclictest0-21swapper/109:44:321
26419991919,0cyclictest0-21swapper/108:04:331
26419991918,1cyclictest0-21swapper/110:29:341
26418991919,0cyclictest0-21swapper/012:09:380
26418991919,0cyclictest0-21swapper/010:29:340
26418991919,0cyclictest0-21swapper/009:29:330
26418991918,0cyclictest0-21swapper/007:19:320
2641899190,18cyclictest22283-21plymouth11:20:000
2641899190,0cyclictest0-21swapper/007:59:310
26421991818,0cyclictest0-21swapper/312:14:343
26421991818,0cyclictest0-21swapper/310:34:323
26421991818,0cyclictest0-21swapper/309:19:323
26421991818,0cyclictest0-21swapper/309:19:323
26421991817,1cyclictest7527-21perf10:50:003
2642199180,18cyclictest0-21swapper/309:24:333
26420991818,0cyclictest0-21swapper/212:29:322
26420991818,0cyclictest0-21swapper/211:54:342
26420991818,0cyclictest0-21swapper/209:59:332
26420991818,0cyclictest0-21swapper/207:49:332
26420991817,0cyclictest9788-21apt-get12:04:342
26419991818,0cyclictest0-21swapper/110:39:321
26419991818,0cyclictest0-21swapper/107:54:321
26419991817,1cyclictest16348-21awk12:15:001
26419991817,0cyclictest0-21swapper/110:19:331
2641999180,3cyclictest151rcu_preempt10:50:021
26418991818,0cyclictest0-21swapper/011:29:330
26418991818,0cyclictest0-21swapper/011:14:330
26418991818,0cyclictest0-21swapper/009:59:320
26418991817,1cyclictest30875-21apt-get10:34:320
26418991817,1cyclictest0-21swapper/011:24:330
26418991816,1cyclictest5761-21awk08:40:010
26418991816,1cyclictest23573-21munin-plugin-st12:30:000
26418991816,1cyclictest0-21swapper/011:34:330
26421991717,0cyclictest0-21swapper/312:19:333
26421991716,0cyclictest0-21swapper/308:39:323
26420991717,0cyclictest0-21swapper/212:24:342
26420991717,0cyclictest0-21swapper/209:39:332
26419991717,0cyclictest0-21swapper/108:39:321
26419991717,0cyclictest0-21swapper/107:59:311
26418991717,0cyclictest0-21swapper/008:24:340
26418991717,0cyclictest0-21swapper/008:19:330
2641899170,0cyclictest0-21swapper/008:07:550
26421991616,0cyclictest0-21swapper/312:09:373
26421991616,0cyclictest0-21swapper/311:34:333
26421991615,0cyclictest11574-21apt-get07:49:333
2642099168,7cyclictest606-21dbus-daemon07:33:492
26420991616,0cyclictest0-21swapper/212:39:332
26420991616,0cyclictest0-21swapper/210:44:322
26420991616,0cyclictest0-21swapper/209:49:332
26420991616,0cyclictest0-21swapper/208:29:332
26420991614,1cyclictest30573-21cron08:25:002
2642099160,15cyclictest20664-21perf10:10:012
2641999162,14cyclictest0-21swapper/109:33:291
26419991615,1cyclictest4205-21apt-get07:34:331
26419991614,1cyclictest6777-21munin-run11:55:011
26419991614,1cyclictest20602-21perf09:10:001
2641899164,1cyclictest12782-21ps07:49:410
26418991616,0cyclictest0-21swapper/008:29:340
26418991614,1cyclictest0-21swapper/012:05:000
2641899160,15cyclictest0-21swapper/010:44:330
2641899160,0cyclictest0-21swapper/007:26:190
26421991514,1cyclictest4402-21apt-get09:39:333
2642199150,1cyclictest8077-21sed08:44:433
26420991515,0cyclictest0-21swapper/212:34:342
26420991515,0cyclictest0-21swapper/211:09:322
26419991515,0cyclictest0-21swapper/109:04:321
26419991513,1cyclictest0-21swapper/111:30:001
26418991515,0cyclictest0-21swapper/012:14:140
2641899150,15cyclictest0-21swapper/009:52:390
2641899150,14cyclictest0-21swapper/012:39:340
2641899150,14cyclictest0-21swapper/007:24:340
26421991414,0cyclictest0-21swapper/310:06:203
2642199140,14cyclictest0-21swapper/311:54:093
2642199140,14cyclictest0-21swapper/311:10:273
2642199140,14cyclictest0-21swapper/311:01:303
2642199140,14cyclictest0-21swapper/310:41:453
2642199140,14cyclictest0-21swapper/310:02:393
2642199140,14cyclictest0-21swapper/308:20:083
2642199140,14cyclictest0-21swapper/307:31:053
2642199140,0cyclictest0-21swapper/310:11:583
2642199140,0cyclictest0-21swapper/309:25:043
26420991414,0cyclictest0-21swapper/211:56:172
26420991414,0cyclictest0-21swapper/211:42:102
26420991414,0cyclictest0-21swapper/210:25:072
26420991414,0cyclictest0-21swapper/209:27:162
26420991414,0cyclictest0-21swapper/208:41:292
26420991414,0cyclictest0-21swapper/208:11:172
2642099140,14cyclictest0-21swapper/211:00:172
2642099140,14cyclictest0-21swapper/210:20:562
2642099140,14cyclictest0-21swapper/210:11:532
2642099140,14cyclictest0-21swapper/210:00:372
2642099140,14cyclictest0-21swapper/209:20:112
2642099140,14cyclictest0-21swapper/207:35:082
2642099140,0cyclictest0-21swapper/210:57:322
2642099140,0cyclictest0-21swapper/207:58:162
26419991414,0cyclictest0-21swapper/109:25:421
2641999140,14cyclictest0-21swapper/111:20:201
2641999140,14cyclictest0-21swapper/110:56:141
2641999140,14cyclictest0-21swapper/110:11:441
2641999140,14cyclictest0-21swapper/108:50:591
2641999140,0cyclictest0-21swapper/111:55:061
2641999140,0cyclictest0-21swapper/111:11:071
26418991414,0cyclictest0-21swapper/007:50:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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