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2026-07-01 - 17:43
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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 all highest latencies:
System rack4slot2.osadl.org (updated Wed Jul 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502360,0irq/46-4a1000008864-1kworker/u3:007:08:510
9971999258,0cyclictest0-21swapper09:05:130
7350910,0irq/45-4a10000012688-21/usr/sbin/munin11:59:520
9971999058,0cyclictest0-21swapper12:10:190
9971999058,0cyclictest0-21swapper07:45:060
9971999057,0cyclictest0-21swapper12:29:480
9971999057,0cyclictest0-21swapper08:15:240
9971999057,0cyclictest0-21swapper07:40:200
9971999057,0cyclictest0-21swapper07:15:420
9971999056,0cyclictest0-21swapper07:50:210
9971998964,0cyclictest0-21swapper07:19:380
9971998957,0cyclictest0-21swapper07:35:270
7450890,0irq/46-4a10000031095-21ls08:09:270
9971998757,0cyclictest0-21swapper09:00:340
9971998756,0cyclictest0-21swapper09:25:110
9971998754,0cyclictest0-21swapper12:14:490
9971998754,0cyclictest0-21swapper08:39:570
9971998665,0cyclictest0-21swapper11:14:580
9971998558,0cyclictest0-21swapper09:55:520
9971998552,0cyclictest0-21swapper08:34:360
9971998551,0cyclictest0-21swapper11:35:100
9971998551,0cyclictest0-21swapper08:55:070
9971998548,0cyclictest0-21swapper09:30:320
7450850,0irq/46-4a100000438-21snmpd10:20:300
7450850,0irq/46-4a100000438-21snmpd10:10:250
7450850,0irq/46-4a10000016678-21cat07:25:220
7350850,0irq/45-4a1000005540-1kworker/u3:208:33:160
7350850,0irq/45-4a10000024318-21/usr/sbin/munin11:00:260
7350850,0irq/45-4a10000014238-21/usr/sbin/munin12:04:380
9971998463,0cyclictest0-21swapper11:04:380
9971998450,0cyclictest0-21swapper10:50:040
7450840,0irq/46-4a100000438-21snmpd10:30:340
7450840,0irq/46-4a10000022844-21runrttasks09:19:430
9971998350,0cyclictest0-21swapper11:30:100
9971998350,0cyclictest0-21swapper09:50:270
9971998349,0cyclictest0-21swapper08:50:210
88332830,0sleep07072-1kworker/u3:211:49:260
7450830,0irq/46-4a10000026646-21memory07:55:080
7450830,0irq/46-4a10000019413-21df10:44:420
7350830,0irq/45-4a1000002735-21load08:20:100
198132830,0chrt18584-1kworker/u3:212:20:160
113192830,0chrt11166-1kworker/u3:107:11:430
9971998252,0cyclictest0-21swapper09:34:490
9971998249,0cyclictest0-21swapper08:45:080
7450820,0irq/46-4a10000030707-21runrttasks09:41:500
7450820,0irq/46-4a10000021358-21runrttasks12:24:570
7450820,0irq/46-4a10000015780-21/usr/sbin/munin10:34:480
7350820,0irq/45-4a10000029187-1kworker/u3:108:04:040
9971998151,0cyclictest0-21swapper11:40:350
9971998150,0cyclictest0-21swapper10:14:500
9971998149,0cyclictest0-21swapper11:25:010
7450810,0irq/46-4a1000004919-21users10:00:380
7450810,0irq/46-4a100000329-21latency_hist11:24:270
7450810,0irq/46-4a10000029279-21cron11:14:240
7450810,0irq/46-4a10000025904-21grep12:39:250
7350810,0irq/45-4a10000022128-1kworker/u3:109:18:070
7350810,0irq/45-4a10000020-21kcompactd007:29:510
7350810,0irq/45-4a10000019513-21runrttasks09:09:500
7350810,0irq/45-4a10000018377-21tr10:40:280
7350810,0irq/45-4a10000011097-21fw_forwarded_lo11:54:580
7450800,0irq/46-4a1000004692-21mailstats08:25:190
7450800,0irq/46-4a10000023983-21runrttasks10:57:560
7450800,0irq/46-4a10000012906-21irqstats10:25:030
7350800,0irq/45-4a1000005388-1kworker/u3:210:06:190
7450790,0irq/46-4a10000032258-21runrttasks08:10:340
7450790,0irq/46-4a10000010367-21chrt11:53:230
7350790,0irq/45-4a10000012-21ksoftirqd/009:45:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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