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2026-07-06 - 03:34

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #b, 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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  Phytec
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.

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 100 highest latencies:
System rackbslot5s.osadl.org (updated Mon Jul 06, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3558359995446,4cyclictest3645469-21sendmail23:20:010
3558371994838,6cyclictest3671413-21fschecks_count00:35:163
3558362994740,4cyclictest3578093-21munin-plugin-st20:05:021
3558359994739,5cyclictest3642046-21ls23:10:000
3558367994636,7cyclictest3574653-21latency_hist19:55:022
3558371994536,6cyclictest3585113-21cron20:25:003
3558371994330,9cyclictest391ktimers/323:10:133
3558367994335,5cyclictest3611129-21munin-plugin-st21:39:592
3558367994233,6cyclictest0-21swapper/220:50:182
3558367994228,9cyclictest0-21swapper/223:35:242
3558359994232,6cyclictest3604765-21fschecks_time21:20:170
3558371994132,5cyclictest3565718-21idleruntime-cro19:30:013
3558367994130,7cyclictest3590239-21apt-get20:40:002
3558367994031,5cyclictest0-21swapper/223:00:012
3558367994029,6cyclictest0-21swapper/221:10:002
3558367994029,5cyclictest0-21swapper/222:20:012
3558362994033,4cyclictest3657385-21cron23:55:001
3558367993925,5cyclictest131rcu_preempt23:00:122
3558362993926,8cyclictest0-21swapper/100:00:251
3558359993922,14cyclictest0-21swapper/019:40:010
3558371993827,7cyclictest0-21swapper/319:35:003
3558371993827,7cyclictest0-21swapper/319:35:003
3558371993827,6cyclictest0-21swapper/321:40:273
3558367993829,5cyclictest0-21swapper/219:20:002
3558359993832,3cyclictest0-21swapper/023:50:000
3558359993815,11cyclictest11-21ksoftirqd/019:15:120
3558367993728,5cyclictest0-21swapper/220:50:012
3558367993726,7cyclictest0-21swapper/220:20:272
3558362993727,6cyclictest0-21swapper/121:15:251
3558362993727,6cyclictest0-21swapper/100:15:001
3558362993726,8cyclictest3585127-21munin-plugin-st20:25:001
3558362993726,7cyclictest0-21swapper/122:40:271
3558371993626,7cyclictest3665495-21unixbench_singl00:15:243
3558371993626,6cyclictest0-21swapper/321:10:263
3558371993626,6cyclictest0-21swapper/319:42:063
3558371993625,6cyclictest0-21swapper/321:00:263
3558367993627,4cyclictest0-21swapper/221:35:002
3558362993626,6cyclictest0-21swapper/123:40:001
3558359993629,4cyclictest3666385-21fschecks_time00:20:160
3558359993627,6cyclictest3582924-21grep20:15:260
3558371993528,4cyclictest3635457-21fschecks_time22:50:173
3558371993525,6cyclictest0-21swapper/319:55:013
3558371993525,6cyclictest0-21swapper/319:35:263
3558367993526,5cyclictest3569318-21cron19:40:002
3558367993524,6cyclictest0-21swapper/220:10:002
3558362993524,6cyclictest0-21swapper/121:45:261
3558359993527,5cyclictest3639085-21fschecks_time23:00:150
3558371993427,4cyclictest0-21swapper/320:10:273
3558371993424,6cyclictest0-21swapper/321:30:003
3558371993424,6cyclictest0-21swapper/320:40:293
3558371993422,7cyclictest0-21swapper/322:35:243
3558371993422,7cyclictest0-21swapper/322:35:233
3558367993427,4cyclictest3667633-21sh00:25:012
3558362993425,5cyclictest0-21swapper/120:50:001
3558362993423,7cyclictest0-21swapper/122:15:261
3558362993423,7cyclictest0-21swapper/119:20:011
3558371993324,5cyclictest0-21swapper/321:55:153
3558371993323,7cyclictest3620944-21grep22:05:283
3558367993327,4cyclictest3624410-21kworker/u8:1+events_unbound22:22:212
3558367993321,8cyclictest3642032-21cron23:10:012
3558362993325,4cyclictest0-21swapper/123:05:271
3558362993322,6cyclictest0-21swapper/121:20:271
3558359993325,4cyclictest0-21swapper/020:30:200
3558359993323,6cyclictest0-21swapper/023:45:000
3558359993323,6cyclictest0-21swapper/020:25:000
3558359993322,7cyclictest0-21swapper/023:34:590
3558359993322,7cyclictest0-21swapper/023:34:590
3558371993225,4cyclictest0-21swapper/323:45:253
3558371993224,4cyclictest0-21swapper/323:40:263
3558371993223,5cyclictest0-21swapper/319:20:263
3558371993222,5cyclictest0-21swapper/320:50:263
3558371993221,7cyclictest0-21swapper/300:00:243
355836799327,4cyclictest36424562cut23:10:162
3558367993224,4cyclictest0-21swapper/222:25:272
3558367993223,5cyclictest0-21swapper/219:55:262
3558367993222,8cyclictest311ktimers/200:35:132
3558367993220,7cyclictest0-21swapper/222:50:262
3558367993218,10cyclictest204-21dbus-daemon21:02:142
3558362993224,4cyclictest0-21swapper/122:50:161
3558362993222,7cyclictest3615018-21sshd21:50:181
3558362993222,6cyclictest0-21swapper/122:30:261
3558362993221,7cyclictest3665493-21grep00:15:241
3558359993224,6cyclictest11-21ksoftirqd/000:05:130
3558359993220,10cyclictest11-21ksoftirqd/022:50:130
3558359993219,11cyclictest11-21ksoftirqd/000:30:120
3558359993215,14cyclictest11-21ksoftirqd/019:55:120
3558371993125,3cyclictest0-21swapper/320:45:263
3558371993124,4cyclictest3614825-21cpuspeed21:50:143
3558371993121,7cyclictest0-21swapper/323:15:253
3558371993121,6cyclictest0-21swapper/319:55:153
3558371993121,6cyclictest0-21swapper/300:25:263
3558371993121,6cyclictest0-21swapper/300:20:253
3558367993123,4cyclictest0-21swapper/220:05:012
3558367993123,4cyclictest0-21swapper/200:00:142
3558367993120,7cyclictest0-21swapper/221:25:012
3558367993119,7cyclictest0-21swapper/223:30:262
3558367993119,7cyclictest0-21swapper/223:30:252
3558362993117,10cyclictest231ktimers/119:40:131
3558359993124,4cyclictest3609416-21cron21:35:010
3558359993124,3cyclictest0-21swapper/022:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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