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2026-03-29 - 22:11
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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 rackbslot4.osadl.org (updated Sun Mar 29, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30854996410,48cyclictest2504-21cut08:42:590
3086599634,51cyclictest0-21swapper/207:07:002
3086599634,51cyclictest0-21swapper/207:07:002
30872996214,43cyclictest21124-21ntp_kernel_err09:07:593
30872996120,36cyclictest5254-21ls11:38:033
30872996014,40cyclictest12988-21grep08:13:103
294792607,17sleep30-21swapper/306:08:003
30872995915,38cyclictest28799-21switchtime09:18:043
30872995813,38cyclictest5145-21/usr/sbin/munin10:12:583
30854995814,38cyclictest11182-21processes09:38:020
30854995813,39cyclictest1456-21/usr/sbin/munin10:08:020
3085499579,42cyclictest0-21swapper/010:13:200
3086599565,45cyclictest0-21swapper/208:17:282
3086599564,7cyclictest0-21swapper/208:17:482
30872995517,33cyclictest13750-21ntp_states08:58:003
3086599554,45cyclictest0-21swapper/208:32:382
30854995514,35cyclictest18909-21users11:13:060
30854995511,38cyclictest32190-21unixbench-2d10:48:060
30872995414,34cyclictest22946-21/usr/sbin/munin08:28:033
30872995412,36cyclictest14982-21find09:43:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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