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2024-11-22 - 05:06

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 50 highest latencies:
System rackbslot5s.osadl.org (updated Fri Nov 22, 2024 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1220691995443,7cyclictest1333497-21grep00:35:243
1220685995345,4cyclictest1220665-21cyclictest19:25:012
1220680994836,8cyclictest1226526-21cron19:25:021
1220685994739,4cyclictest1296907-21ls22:50:002
1220685994735,7cyclictest1275144-21cut21:45:152
1220685994637,6cyclictest1314359-21cron23:40:002
1220691994535,5cyclictest1301246-21runrttasks23:00:173
1220680994535,7cyclictest1272796-21apt-get21:40:001
1220680994534,6cyclictest1-21systemd20:52:551
1220685994336,5cyclictest1316481-21kworker/u8:0+events_unbound23:53:242
1220685994335,4cyclictest1330590-21idleruntime-cro00:29:592
1220675994335,4cyclictest1328883-21kthreadd00:24:590
1220675994333,7cyclictest1272821-21sendmail21:40:010
1220675994135,4cyclictest1220665-21cyclictest00:10:210
1220691994034,4cyclictest1293484-21sh22:40:003
1220691994032,4cyclictest1302602-21taskset23:05:163
122068599402,13cyclictest0-21swapper/221:15:132
1220691993916,13cyclictest1226037-21ls19:20:253
1220685993931,5cyclictest1231646-21cron19:40:022
1220675993930,5cyclictest1333499-21tail00:35:250
1220680993828,7cyclictest1238483-21sendmail20:00:001
1220675993826,7cyclictest1226106-21grep19:20:250
1220675993825,8cyclictest1238008-21grep19:55:250
1220691993726,6cyclictest0-21swapper/321:20:263
1220685993729,4cyclictest0-21swapper/220:25:002
1220675993730,4cyclictest1245310-21sendmail20:20:000
1220675993726,8cyclictest440-21cron21:50:000
1220675993726,7cyclictest1330163-21grep00:25:280
1220691993625,6cyclictest0-21swapper/321:55:243
1220691993625,6cyclictest0-21swapper/321:55:233
1220685993628,5cyclictest1257248-21kworker/u8:1+events_unbound20:57:582
1220685993628,5cyclictest1257248-21kworker/u8:1+events_unbound20:57:572
1220685993628,4cyclictest0-21swapper/223:35:002
1220685993627,5cyclictest0-21swapper/219:42:412
1220685993618,5cyclictest131rcu_preempt21:10:122
1220675993628,4cyclictest0-21swapper/022:55:010
1220675993626,6cyclictest299-21systemd-logind20:52:550
1220675993626,6cyclictest0-21swapper/022:45:000
1220691993527,4cyclictest0-21swapper/321:50:273
1220691993526,5cyclictest0-21swapper/320:20:263
1220691993511,15cyclictest0-21swapper/320:45:013
1220685993521,9cyclictest311ktimers/222:25:112
1220680993528,4cyclictest0-21swapper/100:40:001
1220680993527,4cyclictest0-21swapper/120:20:161
1220675993527,5cyclictest0-21swapper/023:15:010
1220691993425,5cyclictest0-21swapper/320:10:003
1220691993421,9cyclictest1244821-21grep20:15:273
1220685993417,6cyclictest1288088-21kworker/u8:1+events_unbound22:23:552
1220685993416,6cyclictest1217052-21kworker/u8:1+events_unbound19:11:022
1220675993426,4cyclictest0-21swapper/000:00:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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