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2025-10-31 - 04:16
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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 50 highest latencies:
System rackaslot4.osadl.org (updated Fri Oct 31, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20769839913951,1389cyclictest1622-21snmpd2
20769939912661,1261cyclictest2102970-21sshd5
2076993996420,639cyclictest1622-21snmpd5
2076993996102,605cyclictest1622-21snmpd5
2076993995791,575cyclictest1622-21snmpd5
2076993995291,525cyclictest1622-21snmpd5
2076993995201,516cyclictest1622-21snmpd5
2076993994981,495cyclictest1622-21snmpd5
2076995992561,253cyclictest1622-21snmpd6
2076993992511,248cyclictest1622-21snmpd5
2076993992381,234cyclictest1622-21snmpd5
2076993992181,215cyclictest1622-21snmpd5
2076990992181,215cyclictest1622-21snmpd4
2076999991782,174cyclictest1622-21snmpd7
2076985991771,171cyclictest1138-21sendmail-mta3
2076985991771,171cyclictest1138-21sendmail-mta3
2076995991552,151cyclictest1622-21snmpd6
2076983991462,140cyclictest870-21NetworkManager2
2076983991182,111cyclictest1161-21munin-node2
2076985991101,105cyclictest1617-21lldpd3
2076985991101,105cyclictest1617-21lldpd3
207698399942,88cyclictest1161-21munin-node2
207698599801,74cyclictest870-21NetworkManager3
207698599786,65cyclictest2683604-21kworker/3:0-mm_percpu_wq3
207698599624,51cyclictest2683604-21kworker/3:0-mm_percpu_wq3
207699399610,58cyclictest62-21ksoftirqd/55
207698599593,50cyclictest2683604-21kworker/3:0-mm_percpu_wq3
207698599582,49cyclictest2683604-21kworker/3:0-mm_percpu_wq3
207699099570,55cyclictest870-21NetworkManager4
207699399541,51cyclictest567-21avahi-daemon5
207698599541,47cyclictest2683604-21kworker/3:0-mm_percpu_wq3
207699099532,49cyclictest1161-21munin-node4
207699099530,51cyclictest870-21NetworkManager4
207699099521,49cyclictest1617-21lldpd4
2076974995239,9cyclictest2172976-21/usr/sbin/munin0
2076979995038,9cyclictest310-21jbd2/mmcblk1p3-81
207699599431,40cyclictest173-21hwrng6
2076985994234,5cyclictest374-21systemd-journal3
2076985994133,5cyclictest374-21systemd-journal3
2076983994131,7cyclictest2679321-21kworker/2:1+pm2
2076979994133,5cyclictest2144529-21kworker/u32:0+flush-179:961
2076974994132,7cyclictest2680837-21kworker/0:0+pm0
2076983994011,23cyclictest2679321-21kworker/2:1-events_freezable2
2076999993937,1cyclictest2142790-21kworker/u32:3+flush-179:967
207699099393,34cyclictest1161-21munin-node4
2076985993932,5cyclictest2683604-21kworker/3:0+pm3
2076985993931,5cyclictest374-21systemd-journal3
2076983993910,22cyclictest2679321-21kworker/2:1-events_freezable2
2076999993835,2cyclictest2144529-21kworker/u32:0+flush-179:967
2076985993831,5cyclictest2102960-21kworker/u32:1+flush-179:963
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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