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2026-09-17 - 10:05
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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 Sep 17, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502670,0irq/46-4a100000151172sleep019:07:210
7350850,0irq/45-4a10000011653-21memory20:30:260
7350830,0irq/45-4a10000025094-21sshd00:20:090
7350800,0irq/45-4a10000031641-21aten_r4power_po23:04:570
7350790,0irq/45-4a10000027569-21awk00:25:450
7350790,0irq/45-4a10000019446-21runrttasks00:04:210
7350790,0irq/45-4a10000016552-21modprobe23:55:100
7450780,0irq/46-4a10000019208-21runrttasks19:17:570
7450770,0irq/46-4a10000029699-21chrt00:34:140
7450770,0irq/46-4a10000015829-21runrttasks20:43:010
7450770,0irq/46-4a10000011084-21/usr/sbin/munin23:40:400
7350770,0irq/45-4a10000025014-21df_inode21:10:060
7350770,0irq/45-4a10000017466-21sshd20:47:240
7350770,0irq/45-4a10000014938-21fw_conntrack23:50:140
15450997755,0cyclictest0-21swapper21:30:360
7450760,0irq/46-4a100000442-21snmpd20:56:100
7450760,0irq/46-4a10000026284-21runrttasks22:49:350
7350760,0irq/45-4a1000006272-21diskstats23:25:080
7350760,0irq/45-4a1000002966-21fschecks_time21:40:170
7450750,0irq/46-4a10000032593-1kworker/u3:119:55:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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