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2026-03-28 - 19:34
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot6.osadl.org (updated Sat Mar 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3243423250,12sleep332439-21fschecks_count08:03:563
60421500,3sleep3187399cyclictest09:09:103
2892521500,3sleep1186399cyclictest11:14:101
326332620,2sleep00-21swapper/011:51:270
56602600,4sleep1186399cyclictest13:36:111
125472580,4sleep1186399cyclictest10:24:401
16582554,39sleep00-21swapper/008:07:250
187399543,19cyclictest16746-21/usr/sbin/munin13:14:113
239652530,2sleep20-21swapper/211:43:262
186999531,27cyclictest5965-21awk12:29:172
186999531,27cyclictest5965-21awk12:29:172
186999531,23cyclictest21546-21users08:44:102
187399528,12cyclictest30657-21awk11:49:083
1869995216,25cyclictest9268-21expr12:34:022
187399472,18cyclictest28526-21ssh13:26:323
186999470,23cyclictest14881-21snmp_o5powerctl09:39:102
319062440,14sleep0101ktimersoftd/009:08:590
187399444,13cyclictest12303-21sed08:28:423
186999441,26cyclictest16768-21strings13:14:112
186999440,22cyclictest6713-21snmp_o5powerctl08:14:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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