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2026-04-29 - 12:01
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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 792 highest latencies:
System rack4slot2.osadl.org (updated Wed Apr 29, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013020,0irq/46-4a10000016738-1kworker/u3:019:02:320
7450860,0irq/46-4a10000030700-1kworker/u3:100:28:500
18408998360,0cyclictest0-21swapper21:55:080
18408998356,0cyclictest0-21swapper00:20:090
7450820,0irq/46-4a10000018575-1kworker/u3:123:49:060
7450810,0irq/46-4a10000020301-1kworker/u3:223:52:410
7350810,0irq/45-4a100000460-21snmpd22:19:210
18408997855,0cyclictest0-21swapper22:45:130
18408997854,0cyclictest0-21swapper22:20:220
7350770,0irq/45-4a100000169172chrt23:41:400
7350750,0irq/45-4a100000291462sleep000:18:440
18408997348,0cyclictest0-21swapper23:35:100
7450720,0irq/46-4a1000007390-21/usr/sbin/munin21:40:120
7450720,0irq/46-4a1000003646-21kworker/u2:121:30:330
7450720,0irq/46-4a10000013727-1kworker/u3:120:30:010
7350720,0irq/45-4a1000000-21swapper22:14:190
18408997152,0cyclictest593-21df22:55:150
18408997146,0cyclictest0-21swapper23:10:080
7450700,0irq/46-4a10000023023-21fschecks_time00:00:270
7450700,0irq/46-4a10000013727-1kworker/u3:120:40:240
7350700,0irq/45-4a1000000-21swapper19:17:420
7450690,0irq/46-4a10000010805-21cstates21:50:140
18408996949,0cyclictest10977-21fschecks_count20:15:240
18408996946,0cyclictest0-21swapper23:15:060
18408996843,0cyclictest0-21swapper22:04:150
18408996842,0cyclictest0-21swapper20:48:440
7450670,0irq/46-4a10000032288-1kworker/u3:221:17:570
7350670,0irq/45-4a10000032583-21seq22:54:080
18408996752,0cyclictest0-21swapper21:26:080
18408996743,0cyclictest0-21swapper20:03:250
18408996743,0cyclictest0-21swapper19:53:210
18408996741,0cyclictest0-21swapper19:43:160
7450660,0irq/46-4a10000026369-21fschecks_count00:10:280
7450660,0irq/46-4a10000016496-21proc_pri22:05:500
18408996652,0cyclictest0-21swapper19:38:140
18408996651,0cyclictest7350irq/45-4a10000020:10:090
18408996651,0cyclictest0-21swapper22:25:460
18408996630,0cyclictest29189-21runrttasks21:09:210
18408996555,0cyclictest7350irq/45-4a10000019:09:340
18408996554,0cyclictest7350irq/45-4a10000023:25:260
18408996553,0cyclictest7350irq/45-4a10000020:20:280
18408996543,0cyclictest0-21swapper19:30:100
18408996541,0cyclictest0-21swapper20:38:400
7450640,0irq/46-4a10000016906-21seq20:31:420
18408996452,0cyclictest7350irq/45-4a10000000:30:420
18408996452,0cyclictest7350irq/45-4a10000000:05:230
18408996450,0cyclictest0-21swapper22:34:280
18408996440,0cyclictest0-21swapper21:49:090
18408996439,0cyclictest0-21swapper21:23:580
18408996438,0cyclictest0-21swapper23:20:400
18408996427,0cyclictest21359-21fw_packets23:55:330
7350630,0irq/45-4a10000020736-21cat19:10:250
18408996352,0cyclictest7350irq/45-4a10000020:55:220
18408996342,0cyclictest27451-21runrttasks21:04:000
18408996246,0cyclictest5680-21/usr/sbin/munin21:35:140
18408996246,0cyclictest2387-21/usr/sbin/munin23:00:180
18408996244,0cyclictest0-21swapper21:10:430
18408996242,0cyclictest4520-21/usr/sbin/munin23:05:500
18408996237,0cyclictest0-21swapper20:53:460
18408996230,0cyclictest27215-21seq22:36:570
18408996144,0cyclictest4303-21/usr/sbin/munin19:55:340
18408996143,0cyclictest27795-21/usr/sbin/munin22:40:110
18408996142,0cyclictest533-21/usr/sbin/munin19:45:150
18408996043,0cyclictest12685-21/usr/sbin/munin23:30:240
18408996042,0cyclictest12-21ksoftirqd/019:24:350
18408996041,0cyclictest7657-21/usr/sbin/munin20:05:320
18408995941,0cyclictest26959-21/usr/sbin/munin19:25:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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