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2025-01-18 - 12:48
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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 Sat Jan 18, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25777224402200,88sleep00-21swapper17:50:590
271449917517,26cyclictest14060-21apt-get21:36:100
271449917414,134cyclictest14807-21munin-run23:25:550
271449917219,127cyclictest5255-21apt-get21:06:150
271449917116,131cyclictest1592-21apt-get22:41:120
271449917018,24cyclictest31605-21apt-get20:46:140
271449917016,129cyclictest28662-21irqstats20:36:580
271449916921,27cyclictest28445-21memory22:22:140
271449916918,125cyclictest1850-21apt-get20:56:100
271449916817,40cyclictest29908-21apt-get20:41:110
271449916813,131cyclictest24029-21memory22:07:110
271449916715,23cyclictest19543-21apt-get20:06:120
271449916713,131cyclictest17967-21/usr/sbin/munin20:01:270
271449916518,25cyclictest22596-21irqstats20:17:020
271449916516,125cyclictest9846-21tr19:21:130
271449916514,127cyclictest26805-21ssh20:29:290
271449916434,109cyclictest0-21swapper20:31:250
271449916418,124cyclictest22123-21df_inode22:01:430
271449916417,123cyclictest10017-21fw_conntrack21:21:490
271449916417,122cyclictest3911-21fw_conntrack21:01:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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