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2025-11-18 - 07:58
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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 10 highest latencies:
System rackbslot2.osadl.org (updated Mon Nov 17, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25336572225196,19sleep00-21swapper/007:06:430
25335782225176,43sleep20-21swapper/207:05:412
25337882224195,19sleep10-21swapper/107:08:211
25336292223195,18sleep30-21swapper/307:06:233
261478221090,0sleep32614786-21grep08:40:163
2534041996562,1cyclictest2564803-21/usr/share/muni07:45:011
253403899599,50cyclictest2612007-21kworker/u8:0+efi_rts_wq09:02:080
2534044995613,42cyclictest2668596-21/usr/sbin/munin09:45:012
2534044995537,6cyclictest2659390-21kworker/2:0+pm09:50:232
2534049995439,3cyclictest2616555-13chrome08:45:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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