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2025-07-14 - 21:42
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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 rack5slot7.osadl.org (updated Mon Jul 14, 2025 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20336224102195,162sleep00-21swapper05:44:510
206479917516,135cyclictest2824-21apt-get10:47:430
206479917321,126cyclictest25418-21apt-get10:17:400
206479917119,26cyclictest8589-21fw_conntrack09:23:200
206479917115,133cyclictest25250-21/usr/sbin/munin08:33:470
206479916933,19cyclictest0-21swapper10:43:000
206479916715,131cyclictest27438-21fw_conntrack10:23:210
206479916714,131cyclictest5294-21df09:13:030
206479916640,106cyclictest5466-21cron10:54:210
206479916632,112cyclictest28647-21wc08:43:570
206479916630,116cyclictest572-21cut06:52:470
206479916618,124cyclictest19463-21fw_conntrack09:58:220
206479916616,23cyclictest6663-21apt-get09:17:410
206479916538,21cyclictest15127-21processes09:43:530
206479916532,114cyclictest23754-21ssh08:28:540
206479916517,24cyclictest11670-21memory11:13:400
206479916515,24cyclictest9766-21apt-get09:27:410
206479916441,22cyclictest32698-21timerandwakeup06:48:300
206479916438,105cyclictest21915-21sh10:06:200
206479916417,22cyclictest30382-21users08:49:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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