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2026-05-23 - 21:33
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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 Sat May 23, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26803224392200,89sleep00-21swapper07:02:210
272279910318,65cyclictest24877-21apt-get09:31:160
272279910317,23cyclictest15277-21df12:11:360
272279910315,24cyclictest20369-21ssh12:26:320
272279910217,23cyclictest5172-21irqstats11:42:020
272279910127,55cyclictest0-21swapper11:00:160
272279910117,45cyclictest23037-21munin-run09:25:550
272279910114,67cyclictest17088-21df_abs12:16:430
272279910036,31cyclictest29504-21grep11:17:400
272279910032,50cyclictest0-21swapper09:57:110
272279910018,59cyclictest6811-21fw_conntrack11:46:570
272279910017,44cyclictest11589-21apt-get12:01:130
272279910016,63cyclictest8533-21fw_conntrack11:51:570
272279910013,48cyclictest28595-21snmpd09:26:180
27227999918,60cyclictest10224-21df_inode11:56:470
27227999917,61cyclictest18254-21apt-get10:46:140
27227999916,60cyclictest30746-21/usr/sbin/munin11:22:040
27227999916,23cyclictest23476-21/usr/sbin/munin12:35:590
27227999915,22cyclictest6551-21df_inode10:11:460
27227999914,47cyclictest12124-21sshd10:27:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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