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2025-11-23 - 06:45
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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 rack5slot7.osadl.org (updated Sun Nov 23, 2025 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26411224112204,155sleep00-21swapper17:37:040
268729917219,24cyclictest20583-21apt-get23:06:150
268729916916,27cyclictest9549-21/usr/sbin/munin20:57:230
268729916818,23cyclictest30184-21apt-get20:21:150
268729916812,131cyclictest20436-21awk21:27:320
268729916717,44cyclictest19314-21users19:47:430
268729916716,126cyclictest16293-21apt-get21:16:160
268729916617,38cyclictest8269-21ssh20:51:590
268729916539,106cyclictest9820-21latency19:01:410
268729916536,16cyclictest0-21swapper17:41:430
268729916519,23cyclictest5677-21apt-get22:21:120
268729916519,23cyclictest21368-21ssh19:54:320
268729916517,22cyclictest12331-21apt-get22:41:130
268729916436,20cyclictest31427-21apt-get22:01:070
268729916416,25cyclictest13973-21/usr/sbin/munin22:47:220
268729916416,24cyclictest1105-21apt-get20:31:150
268729916412,126cyclictest17865-21ssh22:57:170
268729916333,114cyclictest22278-1kworker/u3:220:06:160
268729916318,26cyclictest25016-21df_inode21:41:490
268729916318,22cyclictest28056-21apt-get21:51:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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