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2026-06-02 - 01:47
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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 highest latencies:
System rack4slot2.osadl.org (updated Tue Jun 02, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502430,0irq/46-4a10000022922-1kworker/u3:019:01:370
239359913645,0cyclictest2057-21/usr/sbin/munin21:09:210
239359913345,0cyclictest20977-21/usr/sbin/munin22:04:280
239359912742,0cyclictest0-21swapper20:46:140
239359912539,0cyclictest4395-21runrttasks21:15:470
239359912453,0cyclictest0-21swapper20:05:580
239359912448,0cyclictest0-21swapper19:58:500
239359912342,0cyclictest18263-21runrttasks20:22:320
239359912342,0cyclictest0-21swapper21:38:420
239359911837,0cyclictest0-21swapper19:04:330
239359911344,0cyclictest29811-21/usr/sbin/munin00:04:390
23935997855,0cyclictest0-21swapper22:24:040
7450760,0irq/46-4a10000016267-21runrttasks23:25:120
7350760,0irq/45-4a1000004719-21chrt00:28:320
320372760,0sleep031699-1kworker/u3:019:28:300
7450750,0irq/46-4a10000028652-21runrttasks00:03:350
7450750,0irq/46-4a10000024294-1kworker/u3:222:14:290
7450750,0irq/46-4a10000014925-1kworker/u3:023:29:090
7450740,0irq/46-4a1000009202-1kworker/u3:119:08:580
7450740,0irq/46-4a1000008746-1kworker/u3:023:09:230
7450740,0irq/46-4a1000006053-1kworker/u3:122:57:120
7450740,0irq/46-4a1000004740-1kworker/u3:021:18:560
7450740,0irq/46-4a10000031704-1kworker/u3:122:40:150
7450740,0irq/46-4a10000029162-1kworker/u3:120:54:310
7450740,0irq/46-4a10000028387-1kworker/u3:223:15:020
7450740,0irq/46-4a10000028387-1kworker/u3:222:28:440
7450740,0irq/46-4a10000023137-1kworker/u3:223:48:230
7450740,0irq/46-4a1000001093-1kworker/u3:119:38:500
7450740,0irq/46-4a10000010280-1kworker/u3:021:34:320
7350740,0irq/45-4a10000031870-21runrttasks22:36:580
23935997451,0cyclictest0-21swapper19:48:480
7450730,0irq/46-4a1000008746-1kworker/u3:023:04:130
7450730,0irq/46-4a1000006053-1kworker/u3:122:59:280
7450730,0irq/46-4a1000004508-1kworker/u3:000:29:450
7450730,0irq/46-4a10000032091-1kworker/u3:000:13:540
7450730,0irq/46-4a10000032056-21kworker/u2:119:44:030
7450730,0irq/46-4a10000031699-1kworker/u3:019:31:510
7450730,0irq/46-4a10000029162-1kworker/u3:120:59:010
7450730,0irq/46-4a10000027294-1kworker/u3:020:49:020
7450730,0irq/46-4a1000002689-21chrt22:45:580
7450730,0irq/46-4a10000026622-1kworker/u3:019:19:090
7450730,0irq/46-4a10000024294-1kworker/u3:222:18:500
7450730,0irq/46-4a10000023137-1kworker/u3:223:49:120
7450730,0irq/46-4a10000018401-1kworker/u3:120:28:540
7450730,0irq/46-4a10000018250-1kworker/u3:122:01:110
7450730,0irq/46-4a10000018171-1kworker/u3:223:39:230
7450730,0irq/46-4a10000016430-1kworker/u3:021:57:040
7450730,0irq/46-4a10000016430-1kworker/u3:021:52:490
7450720,0irq/46-4a1000007879-1kworker/u3:221:29:330
7450720,0irq/46-4a10000029426-1kworker/u3:200:08:490
7450720,0irq/46-4a1000002664-21runrttasks00:20:320
7450720,0irq/46-4a10000021420-1kworker/u3:020:34:100
7450720,0irq/46-4a10000014646-1kworker/u3:120:14:340
7450720,0irq/46-4a1000001287-1kworker/u3:022:49:290
7450710,0irq/46-4a10000024868-1kworker/u3:221:03:500
7450710,0irq/46-4a10000019845-21runrttasks20:26:350
7450710,0irq/46-4a10000018171-1kworker/u3:223:34:310
7450710,0irq/46-4a10000013143-1kworker/u3:121:44:220
7450700,0irq/46-4a1000007684-1kworker/u3:119:53:560
7450700,0irq/46-4a1000004740-1kworker/u3:021:24:240
7450700,0irq/46-4a10000024868-1kworker/u3:219:13:510
7450700,0irq/46-4a10000014975-21runrttasks23:23:340
7450700,0irq/46-4a1000001093-1kworker/u3:119:34:090
7450690,0irq/46-4a10000023220-21runrttasks22:11:120
7450680,0irq/46-4a10000023221-1kworker/u3:120:42:530
7450680,0irq/46-4a10000023137-1kworker/u3:223:57:030
23935996436,0cyclictest0-21swapper20:11:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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