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2026-03-21 - 11:29
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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 Sat Mar 21, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324289914416,67cyclictest346-21munin-node22:34:430
2943721070,4sleep029438-21egrep20:44:380
32428999714,73cyclictest8663-21munin-node00:39:440
32428999714,72cyclictest9161-21munin-node23:00:150
216329713,15sleep02202-21interrupts22:39:500
232729614,15sleep02328-21iostat_ios00:19:540
716829514,16sleep07169-21iostat_ios22:54:540
2386829513,16sleep023870-21crond22:05:230
1501329414,15sleep015042-21df_inode23:19:400
832529314,15sleep08332-21munin-run00:39:240
32428999314,70cyclictest19706-21munin-node23:35:030
3138229314,15sleep031408-21munin-node00:09:470
1998429314,15sleep019985-21irqstats20:14:540
1858129314,15sleep018584-21open_files20:10:100
3262529214,15sleep032682-21df20:54:360
32428999214,69cyclictest31126-21grep20:49:430
32428999214,69cyclictest26116-21munin-node22:14:350
32428999214,69cyclictest18403-21if_eth021:49:480
32428999214,69cyclictest11596-21cpu19:49:360
32428999214,68cyclictest5390-21chrt21:09:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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