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2025-12-04 - 02:24
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Thu Dec 04, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162917622650,4chrt1629161-21ntpq21:51:160
163586822600,2sleep01635869-21collect222:10:480
162339122520,2sleep01623392-21sh21:35:000
158999222500,2chrt1589991-21sshd19:40:190
160993022430,3chrt1609928-21ntpq20:51:130
167903522390,3chrt1679036-21cat00:16:590
168515922370,3chrt1685161-21cut00:35:370
166862522360,3chrt1667908-21/usr/sbin/munin23:46:520
159744122350,3chrt1597443-21processes20:06:170
160392122320,4chrt1603922-21df_inode20:30:180
166049622240,3chrt22-21kcompactd023:22:410
158127899220192,18cyclictest1584132-21kworker/u2:119:27:300
160147722180,4chrt1601476-21ld20:20:530
166156922050,3sleep01661570-21sh23:26:050
158127899204176,17cyclictest1584132-21kworker/u2:119:21:500
167194122020,3sleep01671939-21ntp_states23:56:380
163310121990,2sleep01633102-21ssh22:02:150
164437821920,3sleep01644382-21rm22:35:420
158127899191162,18cyclictest1580370-21kworker/u2:219:12:270
166337921900,4chrt1-21systemd23:31:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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