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2026-05-31 - 01:16
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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 Sat May 30, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2863999252159cyclictest4585-21munin-run12:24:220
2863999247194cyclictest5363-21ssh12:26:560
2863999239181cyclictest29910-21ssh09:34:490
2863999237188cyclictest25250-21df_inode09:15:060
2863999236213cyclictest19770-21ssh11:08:500
2863999231104cyclictest2466-21runrttasks09:55:300
2863999229203cyclictest8008-21munin-run12:39:460
2863999227202cyclictest22190-21cpuspeed11:19:360
2863999227201cyclictest28450-21ssh11:46:200
2863999227199cyclictest20308-1kworker/0:2H10:45:120
2863999227164cyclictest9508-21ntp_states08:05:440
2863999226199cyclictest17167-21ntp_states10:56:480
2863999226150cyclictest10474-21latency_hist10:30:120
2863999225200cyclictest31906-21runrttasks07:22:090
2863999225195cyclictest15648-21perl10:50:390
2863999225162cyclictest5786-21munin-run10:09:310
2863999223162cyclictest2827-21sendmail-mta11:53:260
2863999223158cyclictest31343-21ssh11:59:430
2863999222196cyclictest2719-21lxpanel08:45:390
2863999222195cyclictest31580-21ssh09:41:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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