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2026-03-26 - 02:29
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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 Thu Mar 26, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23057211720,11sleep023056-21/usr/sbin/munin19:05:260
238799916365,38cyclictest12420-21apt-get22:37:110
238799915982,59cyclictest1305-21snmpd00:25:530
238799915579,22cyclictest11979-21df20:25:170
238799915578,36cyclictest22530-21ntp_states21:05:410
238799915478,22cyclictest970-21mailstats23:55:500
238799915476,21cyclictest7396-21fw_forwarded_lo00:20:450
238799915179,43cyclictest14446-21seq22:40:290
238799915178,22cyclictest29623-21fw_forwarded_lo19:30:460
238799915176,37cyclictest17057-21ntp_states22:50:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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