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2025-11-21 - 11:26
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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 Fri Nov 21, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25335224132157,203sleep00-21swapper17:40:340
254179910631,46cyclictest0-21swapper22:54:140
254179910512,73cyclictest31754-21ssh22:11:010
254179910315,67cyclictest13028-21users21:12:440
254179910312,70cyclictest21984-21/usr/sbin/munin21:42:330
254179910210,53cyclictest23701-21ssh20:06:470
254179910118,47cyclictest17402-21apt-get23:06:210
254179910111,70cyclictest29167-21grep20:22:380
254179910111,25cyclictest4850-21ssh22:27:080
254179910033,36cyclictest31615-21ssh20:31:300
254179910032,52cyclictest0-21swapper22:00:360
254179910017,45cyclictest5191-21ssh20:49:230
254179910012,51cyclictest15729-21uname19:42:170
25417999938,43cyclictest0-21swapper21:37:170
25417999917,44cyclictest9758-21ssh22:42:130
25417999916,53cyclictest0-21swapper21:33:230
25417999916,24cyclictest21835-21apt-get20:01:210
25417999914,64cyclictest25857-21missed_timers21:52:230
25417999914,64cyclictest24548-21users21:47:460
25417999912,24cyclictest775-21cut20:36:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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