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2026-09-11 - 09:42
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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 Sep 11, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501980,0irq/46-4a10000022960-21/usr/sbin/munin19:05:320
24237999157,0cyclictest0-21swapper21:40:150
7350830,0irq/45-4a1000009330-1kworker/u3:023:17:430
3177428313,0sleep031810-21aten_r4power_en19:30:090
24237998360,0cyclictest0-21swapper22:20:100
7450810,0irq/46-4a1000006034-21munin-run19:49:590
7350810,0irq/45-4a1000004707-21df22:55:150
7350810,0irq/45-4a10000018217-21wget20:25:100
7350790,0irq/45-4a10000031325-21runrttasks19:27:220
24237997958,0cyclictest0-21swapper00:25:520
24237997947,0cyclictest0-21swapper22:25:460
7450780,0irq/46-4a100000442-21snmpd21:52:230
7450780,0irq/46-4a10000030700-21meminfo21:00:360
7350780,0irq/45-4a1000004123-21runrttasks22:53:050
83512779,0sleep08352-21fw_forwarded_lo21:30:300
7450770,0irq/46-4a10000014577-21munin-run20:14:590
7450760,0irq/46-4a1000007829-21ls00:39:590
7450760,0irq/46-4a1000006380-21kworker/u2:520:00:020
7450760,0irq/46-4a1000006081-21seq00:34:520
7450760,0irq/46-4a10000031689-21seq00:14:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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