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2026-06-16 - 05:23
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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 Tue Jun 16, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30866224152161,58sleep00-21swapper19:02:380
311399910313,68cyclictest3319-21grep23:24:510
311399910233,53cyclictest22272-21apt-get00:19:560
311399910215,50cyclictest26491-21users22:56:380
311399910120,24cyclictest3410-21apt-get23:25:110
311399910118,63cyclictest14250-21memory23:56:100
311399910110,25cyclictest8117-21ssh23:38:130
311399910017,62cyclictest22158-21munin-run00:19:500
311399910017,35cyclictest32661-21munin-run19:14:500
311399910016,24cyclictest15687-21df00:00:300
311399910015,64cyclictest13533-21/usr/sbin/munin22:21:280
31139999917,43cyclictest9085-21memory23:41:050
31139999917,35cyclictest22421-21memory21:11:050
31139999916,23cyclictest26298-21users21:21:370
31139999916,22cyclictest10085-21users20:05:560
31139999915,45cyclictest26462-21/usr/sbin/munin00:31:260
31139999913,50cyclictest30690-21ssh23:09:580
31139999912,26cyclictest5527-21ssh23:30:520
31139999911,47cyclictest9770-21ssh22:08:520
31139999911,27cyclictest21167-21ssh21:06:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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