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2026-09-13 - 09:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Sun Sep 13, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22487271422sleep22483-21grep19:01:280
2348299265238cyclictest20111-21ssh21:12:110
2348299265234cyclictest11807-21munin-node0
234829925771cyclictest27932-21fschecks_time00:07:260
2348299257233cyclictest19371-21nfs4_client21:08:320
2348299257231cyclictest26633-21ssh21:39:300
234829925575cyclictest2869-21snmpd21:35:550
2348299255230cyclictest32648-21munin-node0
2348299255229cyclictest4588-21timerandwakeup20:03:180
2348299255225cyclictest2365-21rs:main0
2348299254226cyclictest21388-21fschecks_time21:17:300
2348299253228cyclictest24554-21perl23:52:400
2348299253227cyclictest5496-21ntp_states20:07:470
2348299253220cyclictest2935-21runrttasks21:32:020
234829925270cyclictest9735-21fschecks_count20:26:500
2348299252227cyclictest10590-21cpu22:51:320
234829925169cyclictest32596-21ssh00:27:570
2348299251227cyclictest17192-21sensors20:58:170
2348299251225cyclictest31858-21if_eth019:42:040
2348299251218cyclictest27629-21sh00:06:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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