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2026-07-31 - 08:35
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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 Fri Jul 31, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502510,0irq/46-4a10000015525-1kworker/u3:219:08:060
100292820,0chrt6924-1kworker/u3:223:33:510
15666998156,0cyclictest0-21swapper21:44:460
15666997952,0cyclictest0-21swapper20:06:240
15666997750,0cyclictest0-21swapper19:22:120
15666997652,0cyclictest0-21swapper23:53:250
15666997449,0cyclictest0-21swapper19:17:470
7450730,0irq/46-4a10000022881-21sshd22:36:580
15666997348,0cyclictest0-21swapper21:17:420
7450720,0irq/46-4a100000876-21sendmail-msp20:00:300
7450720,0irq/46-4a10000014261-21kworker/u2:119:08:240
15666997258,0cyclictest26652-21/usr/sbin/munin00:23:260
15666997244,0cyclictest0-21swapper20:26:170
7450710,0irq/46-4a10000026511-21sendmail-msp19:39:390
7450710,0irq/46-4a1000002581-21sendmail-msp21:39:370
7450710,0irq/46-4a10000013737-21find22:09:050
15666997154,0cyclictest28120-21runrttasks22:52:590
15666997152,0cyclictest12-21ksoftirqd/021:59:060
15666997147,0cyclictest0-21swapper20:13:020
15666997145,0cyclictest0-21swapper20:21:190
15666997141,0cyclictest0-21swapper20:36:000
15666997139,0cyclictest0-21swapper21:21:190
7450700,0irq/46-4a1000006915-21find21:49:090
7450700,0irq/46-4a10000011108-21sendmail-msp23:39:390
15666997048,0cyclictest0-21swapper19:33:240
15666997039,0cyclictest17027-21/usr/sbin/munin20:43:590
7450690,0irq/46-4a1000006093-21sshd23:23:210
7450690,0irq/46-4a10000029907-21sendmail-msp22:59:360
15666996944,0cyclictest0-21swapper22:07:250
15666996943,0cyclictest13038-21wget23:43:260
15666996943,0cyclictest0-21swapper22:27:520
15666996943,0cyclictest0-21swapper21:27:050
15666996943,0cyclictest0-21swapper00:31:050
15666996937,0cyclictest7408-1kworker/u3:220:42:300
7450680,0irq/46-4a10000032064-21fschecks_count19:53:410
7450680,0irq/46-4a10000021380-21sendmail-msp20:59:300
15666996855,0cyclictest7350irq/45-4a10000022:39:050
7450670,0irq/46-4a10000030841-21find19:49:060
7450670,0irq/46-4a10000017954-21sendmail-msp23:59:430
7450670,0irq/46-4a10000015444-21find23:49:070
15666996744,0cyclictest20364-21load20:53:530
15666996743,0cyclictest0-21swapper19:47:040
7450660,0irq/46-4a1000003488-21find23:14:090
7450660,0irq/46-4a10000032547-21find23:04:100
7350660,0irq/45-4a1000004280-21sendmail-msp23:19:500
15666996652,0cyclictest0-21swapper19:23:400
15666996650,0cyclictest0-21swapper22:30:340
15666996642,0cyclictest30382-21fschecks_count00:33:410
15666996641,0cyclictest0-21swapper00:22:330
15666996627,0cyclictest32334-21runrttasks21:28:560
15666996544,0cyclictest7350irq/45-4a10000000:14:210
15666996541,0cyclictest0-21swapper21:33:410
15666996540,0cyclictest0-21swapper22:21:430
15666996540,0cyclictest0-21swapper00:08:360
15666996536,0cyclictest0-21swapper22:17:220
15666996533,0cyclictest20606-21/usr/sbin/munin00:04:120
15666996441,0cyclictest0-21swapper22:54:060
15666996441,0cyclictest0-21swapper22:43:380
15666996440,0cyclictest0-21swapper21:53:470
15666996440,0cyclictest0-21swapper20:28:420
15666996344,0cyclictest25776-21/usr/sbin/munin21:09:090
15666996342,0cyclictest9251-21runrttasks23:32:210
15666996338,0cyclictest0-21swapper20:15:520
15666996242,0cyclictest24542-21runrttasks21:06:270
15666996238,0cyclictest18363-21df_inode20:48:340
15666996235,0cyclictest0-21swapper19:30:330
15666996137,0cyclictest0-21swapper23:08:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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