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2026-05-30 - 01:21
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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 Fri May 29, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30155221021,50sleep00-21swapper/019:08:320
303989913748,34cyclictest19811-21df20:35:170
303989913547,39cyclictest32127-21ntp_states23:35:410
303989913156,55cyclictest1305-21snmpd19:20:170
303989913059,36cyclictest21852-21fw_conntrack22:50:240
303989913056,23cyclictest4321-21munin-run00:00:020
303989912951,42cyclictest13427-21sshd22:18:210
303989912854,54cyclictest1276-21runrttasks23:16:050
303989912847,47cyclictest11662-21ntp_states22:10:420
303989912662,43cyclictest1408-21nginx20:58:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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