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2025-04-02 - 04:28
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Wed Apr 02, 2025 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3127321250,2chrt30457-21/usr/sbin/munin19:41:420
2178221210,2chrt21778-21ntpq19:23:160
3158521180,3chrt31581-21ntpq00:11:350
2975821170,4chrt29759-21ssh23:00:040
1879221160,3chrt16592-21sendmail-msp23:44:550
1545121160,2chrt14066-21sendmail-msp21:22:560
2067821150,3chrt20677-21ssh21:34:100
1528621140,3chrt15287-21sh22:30:480
2586221130,3chrt25860-21ntpq21:44:330
1986721120,2chrt16783-21sendmail-msp20:26:230
278821090,2chrt2789-21sleep22:03:560
2850721040,2sleep028508-21ls00:05:150
450921020,1sleep04511-21irqrtprio00:22:230
263672950,2sleep026369-21tr21:45:330
141372940,1sleep014141-21latency_hist21:20:110
250452890,2sleep025047-21sort19:30:020
76962810,1sleep07697-21aten2.4-expect00:30:350
195662810,1sleep019567-21ssh23:46:280
79682780,2sleep07970-21ssh23:22:030
1496990764,17cyclictest31495-21sshd23:03:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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