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2025-12-10 - 19:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Dec 10, 2025 12:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151154320,0ktimers/0229341sleep06:51:360
237899947435,0cyclictest29136-21sendmail_mailtr07:26:220
1514690,0ktimers/0257711sleep12:11:560
237899945828,0cyclictest1654-21snmpd12:08:090
237899945540,0cyclictest22673-21munin-run09:26:100
237899945335,0cyclictest47-21kswapd010:21:440
237899944933,0cyclictest1654-21snmpd08:41:090
2378999448105,0cyclictest23527-21aten_r3power_po09:27:570
237899944237,0cyclictest13982-21munin-run08:46:090
237899944174,0cyclictest30771-21chrt07:32:340
237899944068,0cyclictest7418-21latency_hist10:46:170
237899943957,0cyclictest2135-21sshd07:51:160
237899943936,0cyclictest3915-21sshd10:27:400
2378999437122,0cyclictest0-21swapper11:26:130
237899943662,0cyclictest20994-21chrt09:17:170
237899943330,0cyclictest6954-21cut08:12:280
237899943159,0cyclictest24586-21munin-run07:01:060
237899943156,0cyclictest25932-21latency_hist09:41:040
237899943138,0cyclictest18334-21munin-run09:06:090
1514310,0ktimers/0126781sleep11:09:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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