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2026-06-06 - 14:33
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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 Sat Jun 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502120,0irq/45-4a1000006068-21kworker/0:418:58:390
7450950,0irq/46-4a1000009554-21runrttasks23:48:510
7450950,0irq/46-4a1000007977-21cut22:08:590
7450950,0irq/46-4a1000007569-21/usr/sbin/munin20:33:520
7450950,0irq/46-4a10000028667-21meminfo21:34:100
7450940,0irq/46-4a10000026583-21runrttasks19:53:470
7450940,0irq/46-4a10000015066-21ntpq22:29:170
7450940,0irq/46-4a10000013510-21which22:24:220
7450940,0irq/46-4a10000011470-21if_eth023:54:020
7450930,0irq/46-4a1000006296-21seq23:39:010
7450930,0irq/46-4a1000004654-21interrupts20:24:030
7450930,0irq/46-4a10000032190-21ntp_offset23:19:280
7450930,0irq/46-4a10000022432-21sendmail-mta21:15:260
7450930,0irq/46-4a10000019587-21wget19:33:380
7450930,0irq/46-4a10000015697-1kworker/u3:100:07:080
7450930,0irq/46-4a10000013608-21sshd20:49:260
7450920,0irq/46-4a1000008133-21meminfo23:44:070
7450920,0irq/46-4a1000003110-21ntpdc20:19:160
7450920,0irq/46-4a10000024010-21users19:44:300
7450920,0irq/46-4a10000022773-21cron00:28:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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