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2026-06-05 - 05:43
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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 Fri Jun 05, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013110,0irq/46-4a1000007497-1kworker/u3:119:00:260
7450970,0irq/46-4a10000021170-1kworker/u3:021:35:120
7450950,0irq/46-4a1000009507-21runrttasks20:38:430
7450950,0irq/46-4a1000006224-21diskstats20:28:530
7450950,0irq/46-4a10000027144-21/usr/sbin/munin23:04:210
7450950,0irq/46-4a10000016777-21load20:59:100
7450950,0irq/46-4a10000016071-21sendmail-msp22:33:330
7450950,0irq/46-4a1000001405-21meminfo20:14:100
7450940,0irq/46-4a1000009964-21memory22:14:150
7450940,0irq/46-4a1000006300-21fschecks_count23:38:580
7450940,0irq/46-4a10000030532-21ntp_states20:04:180
7450940,0irq/46-4a10000025020-21diskstats19:48:540
7450940,0irq/46-4a10000023229-21seq21:18:490
7450940,0irq/46-4a10000022882-21munin-run19:43:320
7450940,0irq/46-4a10000017762-21munin-run00:13:310
7450940,0irq/46-4a10000011427-21grep19:08:350
236462940,0chrt21088-1kworker/u3:219:44:160
7450930,0irq/46-4a1000005043-21mailstats20:24:230
7450930,0irq/46-4a1000003058-21sed20:19:080
7450930,0irq/46-4a10000029461-1kworker/u3:121:46:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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