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2025-05-09 - 05:55
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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 10 highest latencies:
System rack7slot3.osadl.org (updated Fri May 09, 2025 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
251642178624sleep25163-21fschecks_time19:03:200
2613699269238cyclictest23367-21ssh21:17:200
2613699268240cyclictest31341-21ssh00:17:390
261369926697cyclictest5846-21cpu22:23:190
2613699265239cyclictest4560-21missed_timers19:54:140
2613699265239cyclictest19411-21chrt23:23:560
261369926373cyclictest20520-21df_inode23:28:550
2613699263236cyclictest9857-21ntp_states22:40:170
2613699261232cyclictest25103-21ssh21:24:320
261369926096cyclictest28138-21apt21:38:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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