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2025-02-17 - 18:25
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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 20 highest latencies:
System rackbslot2.osadl.org (updated Mon Feb 17, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20316992240183,20sleep20-21swapper/207:07:392
20318542237207,19sleep30-21swapper/307:09:373
20317942230200,19sleep00-21swapper/007:08:490
20316932225196,19sleep10-21swapper/107:07:331
203206499981,62cyclictest2263393-21munin-update11:45:012
203206099980,96cyclictest2166543-21chrome09:45:011
2032066999238,15cyclictest2115458-21chrome08:45:013
2032056996359,2cyclictest2010438-21kworker/u8:3+flush-179:007:30:080
2032060996158,2cyclictest2263674-21chrome11:45:011
2032064995350,2cyclictest2027291-21kworker/u8:0+events_unbound07:15:082
2032064995348,4cyclictest2206783-21/usr/share/muni10:35:152
2032056995246,4cyclictest2199317-21/usr/share/muni10:25:100
2032066995147,3cyclictest2036223-21apt-get07:15:013
2032060995144,5cyclictest2123912-21latency_hist08:55:011
2032066994944,4cyclictest2058850-21/usr/share/muni07:40:053
2032066994943,4cyclictest2286887-21latency_hist12:15:003
2032060994843,3cyclictest2115173-21latency_hist08:45:011
203205699483,8cyclictest2115374-13chrome08:45:020
2032066994744,2cyclictest2215355-21/usr/share/muni10:45:013
2032066994742,4cyclictest2120122-21/usr/share/muni08:50:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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