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2025-12-29 - 14:06
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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 Mon Dec 29, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1794099608,45cyclictest30077-21fschecks_time21:46:263
1793599605,48cyclictest0-21swapper/222:30:102
1794099587,45cyclictest0-21swapper/322:14:403
1758625810,16sleep00-21swapper/019:00:000
1793599575,46cyclictest0-21swapper/223:02:592
1793599573,48cyclictest0-21swapper/223:54:092
17935995717,35cyclictest29179-21/usr/sbin/munin20:56:372
17935995647,5cyclictest29-21ksoftirqd/200:11:082
1794099554,45cyclictest0-21swapper/322:20:303
1794099553,46cyclictest9254-21/usr/sbin/munin21:16:273
1793599553,46cyclictest0-21swapper/200:16:272
1794099549,39cyclictest32054-21ssh00:09:353
1793599544,45cyclictest0-21swapper/222:36:202
1794099539,38cyclictest26523-21diskstats21:41:263
17940995312,35cyclictest24883-21wc22:26:113
17940995311,36cyclictest13573-21fschecks_count22:56:243
1793599535,42cyclictest0-21swapper/223:25:562
17929995314,34cyclictest16522-21latency_hist23:01:101
17925995344,5cyclictest3-21ksoftirqd/000:21:070
1794099529,6cyclictest27197-21ssh23:16:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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