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2026-06-19 - 19:13
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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 19, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502350,0irq/46-4a10000029939-1kworker/u3:107:06:320
7450990,0irq/46-4a10000028284-21latency10:00:390
7450940,0irq/46-4a1000003512-21threads07:15:110
7450940,0irq/46-4a10000028262-21/usr/sbin/munin08:25:320
7450940,0irq/46-4a10000011346-21open_inodes10:45:430
7450930,0irq/46-4a1000007155-21grep10:34:570
7450930,0irq/46-4a1000006006-21fw_packets07:20:320
7450930,0irq/46-4a1000002496-21tune2fs11:55:220
7450930,0irq/46-4a10000016071-21runrttasks07:50:170
7450930,0irq/46-4a10000014687-21seq09:20:460
7450930,0irq/46-4a10000013896-21ls12:29:540
7450930,0irq/46-4a10000012878-21if_eth007:40:330
7450930,0irq/46-4a10000012796-21fw_forwarded_lo09:15:270
297222937,0sleep029723-21diskstats10:05:160
2971329310,0sleep029714-21diskstats11:40:200
7450920,0irq/46-4a1000004317-21irqstats12:00:370
7450920,0irq/46-4a10000026343-21/usr/sbin/munin08:20:220
7450920,0irq/46-4a10000024734-21fw_forwarded_lo11:25:240
7450920,0irq/46-4a10000023191-21cut09:45:320
7450920,0irq/46-4a10000017769-21diskstats09:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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