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2026-05-24 - 13:42
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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 23, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23953211730,11sleep023952-21/usr/sbin/munin07:05:190
249189917636,123cyclictest14519-21runrttasks10:35:500
24918991648,15cyclictest27396-21apt-get07:18:200
24918991629,17cyclictest18175-21ntp_states08:45:420
249189916257,84cyclictest29072-21sendmail_mailtr09:25:460
249189916043,99cyclictest3650irq/20-4900000007:32:120
249189916042,103cyclictest13792-21latency_hist10:35:030
24918991598,20cyclictest5020-21open_files12:00:420
249189915939,108cyclictest921-21gpgv07:40:120
249189915838,108cyclictest22529-21seq09:00:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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