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2026-03-31 - 21:41
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Mar 31, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30700210614,79sleep030345-21munin-node10:00:550
29337210114,30sleep029372-21processes08:16:160
19493210014,16sleep019497-21iostat11:05:570
775329918,56sleep07759-21diskstats07:10:440
1626329915,16sleep016264-21iostat_ios10:55:580
1903029814,16sleep019031-21crond12:45:300
1769529714,16sleep017378-21munin-node09:20:520
129529714,16sleep01296-21diskstats08:30:500
9179999615,72cyclictest30485-21diskstats08:20:490
9179999613,74cyclictest28929-21cpu11:35:420
785329614,16sleep07856-21diskstats08:50:480
1771029614,16sleep017725-21iostat07:40:570
9179999515,71cyclictest9732-21fschecks_time12:15:530
9179999515,71cyclictest8089-21fschecks_time12:10:510
9179999515,71cyclictest5154-21netstat12:01:070
9179999515,70cyclictest18916-21sshd07:45:370
9179999514,71cyclictest1214-21wget10:10:420
1323829514,16sleep013236-21ntp_states10:46:140
1104029514,16sleep011087-21grep07:20:500
999829415,16sleep09994-21ntp_states10:36:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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