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2026-04-09 - 20:58
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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 Thu Apr 09, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28523224072154,58sleep00-21swapper07:06:370
287099917320,126cyclictest23409-21apt-get12:33:160
287099916920,122cyclictest11353-21/usr/sbin/munin11:59:530
287099916717,124cyclictest18029-21apt-get10:43:170
287099916633,108cyclictest21834-21ntp_states09:19:330
287099916618,122cyclictest16303-21apt-get10:38:190
287099916521,119cyclictest6494-21memory10:09:200
287099916520,123cyclictest9421-21apt-get10:18:190
287099916511,132cyclictest5415-21head11:39:440
287099916421,118cyclictest23184-21df09:23:440
287099916418,123cyclictest19727-21df09:13:420
287099916418,119cyclictest12847-21apt-get10:28:150
287099916318,121cyclictest29798-21apt-get09:43:190
287099916318,121cyclictest17997-21df09:08:460
287099916317,121cyclictest30523-21irqstats11:19:110
287099916313,109cyclictest20860-21ssh10:50:380
287099916220,118cyclictest8275-21df_inode11:48:470
287099916217,124cyclictest1033-21apt-get11:28:160
287099916216,121cyclictest21573-21munin-run12:27:580
287099916214,121cyclictest29587-21sshd07:11:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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