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2026-04-30 - 08:36
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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 rack4slot2.osadl.org (updated Thu Apr 30, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502160,0irq/45-4a10000028564-21kworker/0:019:00:320
7738998357,0cyclictest0-21swapper19:20:070
7738997962,0cyclictest27183-21runrttasks23:47:140
7738997557,0cyclictest19156-21fw_conntrack19:35:270
7738997552,0cyclictest0-21swapper00:05:050
7738997454,0cyclictest5658-21runrttasks22:16:040
7738997355,0cyclictest1844-21fw_forwarded_lo22:01:380
7738997351,0cyclictest4294-21runrttasks00:27:320
7738997351,0cyclictest24905-21awk21:25:590
7738997346,0cyclictest5282-21sshd22:15:000
7738997341,0cyclictest0-21swapper23:58:010
7738997340,0cyclictest5765-21/usr/sbin/munin20:30:500
7738997254,0cyclictest21973-21modprobe21:19:560
7738997253,0cyclictest31629-21runrttasks21:50:210
7738997253,0cyclictest17669-21seq23:07:130
7738997249,0cyclictest0-21swapper22:45:050
7738997245,0cyclictest0-21swapper23:25:090
7738997239,0cyclictest13902-21/usr/sbin/munin22:51:460
7738997154,0cyclictest29822-21sensors_temp20:05:520
7738997153,0cyclictest1300-21awk00:14:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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