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2026-05-03 - 13:47
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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 10 highest latencies:
System rack7slot8.osadl.org (updated Sat May 02, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23508221336,47sleep00-21swapper/007:08:010
14668211214,12sleep014670-21ntp_states08:40:370
7091211118,14sleep07055-21apt-get10:17:210
23261211110,12sleep023276-21irqstats09:15:300
1305421097,11sleep013087-21/usr/sbin/munin08:35:130
242221075,11sleep01657-21apt-get10:00:330
827721055,12sleep08278-21fw_forwarded_lo08:15:280
805821055,12sleep08062-21sshd12:27:070
2912321045,11sleep029131-21if_err_eth007:30:300
238059910439,30cyclictest101ktimersoftd/007:40:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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