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2024-10-10 - 19:26

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 Thu Oct 10, 2024 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16970995547,5cyclictest30014-21kworker/u8:1+events_unbound07:45:240
16970995239,10cyclictest121ktimers/009:45:120
16979994635,8cyclictest164-21systemd-journal08:25:392
16979994635,8cyclictest164-21systemd-journal08:25:392
16970994532,10cyclictest121ktimers/007:40:110
16981994438,4cyclictest16496-21kworker/u8:2+events_unbound08:00:243
16974994435,6cyclictest54804-21unixbench_singl08:55:261
16970994423,16cyclictest0-21swapper/011:00:260
16970994336,5cyclictest117454-21kworker/u8:0+events_unbound12:26:210
16970994334,5cyclictest55233-21munin-plugin-st09:00:010
16970994231,6cyclictest0-21swapper/008:05:240
16979994132,5cyclictest300-21systemd-logind08:50:442
16970994131,6cyclictest53100-21grep08:50:260
16979994033,4cyclictest103630-21munin-run11:20:002
16974994033,4cyclictest69118-21sendmail09:40:001
16970994030,6cyclictest110465-21awk11:40:000
16981993929,6cyclictest46011-21unixbench_multi08:30:263
16979993926,9cyclictest311ktimers/208:00:112
16974993830,4cyclictest0-21swapper/111:50:161
16970993827,7cyclictest87459-21unixbench_singl10:30:260
16981993729,5cyclictest110453-21cron11:40:003
16974993730,4cyclictest44783-21cron08:30:011
16974993730,4cyclictest44783-21cron08:30:001
16970993727,5cyclictest0-21swapper/007:40:010
16970993725,8cyclictest66968-21grep09:30:250
16970993725,6cyclictest63585-21grep09:20:250
16981993628,4cyclictest0-21swapper/307:30:013
16981993627,6cyclictest72496-21cron09:50:003
16981993626,6cyclictest0-21swapper/311:05:003
16974993630,3cyclictest0-21swapper/110:20:011
16974993627,6cyclictest111927-21grep11:40:281
16974993626,8cyclictest119648-21auditctl12:25:001
16974993626,7cyclictest41373-21auditctl08:20:001
16970993627,4cyclictest0-21swapper/011:20:250
16970993625,5cyclictest0-21swapper/011:20:000
16970993623,9cyclictest70337-21grep09:40:250
16981993527,6cyclictest103860-21kworker/u8:2+events_unbound11:51:153
16974993528,3cyclictest0-21swapper/112:11:181
16970993526,4cyclictest0-21swapper/009:55:240
16970993523,7cyclictest0-21swapper/011:10:000
16979993426,4cyclictest0-21swapper/207:25:422
16979993424,6cyclictest0-21swapper/209:00:002
1697499348,4cyclictest992532awk11:05:301
16974993426,5cyclictest0-21swapper/109:20:011
16970993428,3cyclictest13550irq/42-30be0000.ethernet07:20:110
16970993426,6cyclictest37604-21kworker/u8:0+events_unbound08:15:280
16970993422,9cyclictest94879-21cron10:55:000
16970993421,8cyclictest32434-21grep07:50:250
16970993420,11cyclictest121ktimers/011:45:120
1697099341,4cyclictest131rcu_preempt08:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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