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2026-05-23 - 20:43
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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 rack4slot1.osadl.org (updated Sat May 23, 2026 12:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1104621230,3chrt0-21swapper/010:57:060
1104621230,3chrt0-21swapper/010:57:060
511321130,2sleep00-21swapper/010:50:150
1398321090,3sleep10-21swapper/108:50:161
1398321090,3sleep10-21swapper/108:50:161
14322990,4sleep11431-21ssh12:05:241
14322990,4sleep11431-21ssh12:05:241
185562970,3sleep1201rcuc/110:25:201
185562970,3sleep1201rcuc/110:25:201
49432960,3sleep24926-21sort10:10:142
49432960,3sleep24926-21sort10:10:142
186742940,4chrt18679-21fschecks_time07:35:291
186742940,4chrt18679-21fschecks_time07:35:291
265852910,2chrt26584-21/usr/sbin/munin09:15:231
265852910,2chrt26584-21/usr/sbin/munin09:15:231
265852910,2chrt26584-21/usr/sbin/munin09:15:231
113682790,2sleep111370-21grep07:15:161
113682790,2sleep111370-21grep07:15:161
167082750,2chrt0-21swapper/311:05:133
167082750,2chrt0-21swapper/311:05:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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