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2025-09-18 - 06:54
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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 Wed Sep 17, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16187192227197,19sleep20-21swapper/207:07:592
16187992225196,19sleep10-21swapper/107:08:581
16185772223194,19sleep00-21swapper/007:06:070
16185952219190,19sleep30-21swapper/307:06:223
161911899662,64cyclictest1636330-21kworker/u8:2+efi_rts_wq07:29:050
1619125996448,2cyclictest1701659-21snmp_wlanpowerc08:45:022
1619125995754,2cyclictest1649757-21chrome07:45:012
161912899560,1cyclictest1649740-21ThreadPoolForeg07:45:023
161912399535,47cyclictest1618603-21kworker/u8:0+efi_rts_wq07:29:001
18877742520,0chrt1887775-21/usr/sbin/munin12:20:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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