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2025-12-29 - 22:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack7slot3.osadl.org (updated Mon Dec 29, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2500599260228cyclictest6494-21grep10:26:140
2500599257230cyclictest15964-21ssh11:03:200
2500599255189cyclictest9805-21munin-run10:39:470
2500599250181cyclictest19766-21munin-node0
2500599249217cyclictest27273-21wc11:50:150
2500599248219cyclictest16688-21cut08:55:140
2500599247181cyclictest2412-21fschecks_count10:10:340
2500599246221cyclictest19416-21sh11:17:340
2500599246216cyclictest30069-21if_err_eth012:01:000
2500599246183cyclictest7627-21fschecks_time10:30:440
2500599246181cyclictest24165-21cat09:26:540
2500599246180cyclictest4853-21df_inode10:20:130
2500599245214cyclictest2153-21munin-node10:09:430
2500599244219cyclictest1562-21ssh12:16:320
2500599244218cyclictest32015-21ssh12:08:500
2500599244217cyclictest28315-21ssh11:54:250
2500599244217cyclictest25409-21ssh11:42:080
2500599244216cyclictest12942-21netwatch08:38:560
2500599244215cyclictest28474-21df09:44:570
2500599244212cyclictest25471-21ssh09:32:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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