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2025-12-07 - 02:53
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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 Sun Dec 07, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501900,0irq/46-4a10000016179-21runrttasks19:07:340
7350880,0irq/45-4a10000027901-21/usr/sbin/munin22:48:140
272812887,0sleep027267-21apt-get19:37:590
16248998756,0cyclictest0-21swapper21:48:090
7450850,0irq/46-4a10000022499-21chrt00:07:540
1179128517,0sleep012-21ksoftirqd/020:27:400
7450840,0irq/46-4a10000010810-21sshd23:33:130
7350840,0irq/45-4a10000029729-21awk19:44:220
7450830,0irq/46-4a10000015262-21lockfile-create20:37:440
16248998356,0cyclictest0-21swapper21:39:140
7450820,0irq/46-4a10000021546-21mailstats22:28:430
7450820,0irq/46-4a10000016379-21seq19:07:580
7450820,0irq/46-4a10000016334-21sshd23:49:130
7450820,0irq/46-4a10000015713-21df22:13:050
298322826,0sleep029833-21fw_forwarded_lo00:28:230
7450810,0irq/46-4a100000443-21snmpd21:56:460
7450810,0irq/46-4a10000027062-21runrttasks00:19:030
7450810,0irq/46-4a10000026271-21/usr/sbin/munin22:43:200
7450810,0irq/46-4a10000025652-21cron22:42:420
7450810,0irq/46-4a1000002525-21runrttasks23:08:310
7450810,0irq/46-4a10000021494-21timerandwakeup20:53:450
7450810,0irq/46-4a10000018888-21runrttasks23:57:320
7450810,0irq/46-4a10000018592-21sshd22:21:020
7450810,0irq/46-4a10000015336-21cron22:12:410
16248998153,0cyclictest0-21swapper22:55:240
7450800,0irq/46-4a1000009505-21seq23:28:430
7450800,0irq/46-4a100000443-21snmpd21:31:360
7450800,0irq/46-4a100000443-21snmpd19:55:580
7450800,0irq/46-4a10000032046-21awk22:58:500
7450800,0irq/46-4a10000031532-21fw_conntrack00:33:180
7450800,0irq/46-4a10000031148-21df_inode21:23:090
7450800,0irq/46-4a10000030061-21ls21:18:430
7450800,0irq/46-4a1000002823-21chrt19:59:240
7450800,0irq/46-4a10000025771-21sshd21:08:030
7450800,0irq/46-4a10000024429-21load19:28:280
7450800,0irq/46-4a10000022119-21/usr/sbin/munin19:23:270
7450800,0irq/46-4a10000020260-21apt19:17:430
7450800,0irq/46-4a1000001782-21munin-run23:07:420
7450800,0irq/46-4a10000013576-1kworker/u3:222:33:100
7450800,0irq/46-4a10000013500-21cron20:32:420
7350800,0irq/45-4a1000006159-21seq20:08:510
7350800,0irq/45-4a1000002059-21sed21:33:060
16248998054,0cyclictest0-21swapper00:07:200
7450790,0irq/46-4a1000006798-21apt21:47:420
7450790,0irq/46-4a1000003630-21chrt23:12:560
7450790,0irq/46-4a10000026071-21irqstats19:33:240
7450790,0irq/46-4a10000023142-21grep20:58:430
7450790,0irq/46-4a10000019647-21wc20:48:410
7450790,0irq/46-4a10000013658-21idleruntime-cro22:07:420
7350790,0irq/45-4a10000010353-21chrt21:57:480
272992797,0sleep027339-21sed21:12:460
16248997953,0cyclictest0-21swapper22:26:400
133392790,0sleep011671-1kworker/u3:223:39:050
7450780,0irq/46-4a1000009643-21sshd20:19:010
7450780,0irq/46-4a1000007382-21df_inode23:23:090
7450780,0irq/46-4a1000006971-21cat20:13:030
7450780,0irq/46-4a10000030166-1kworker/u3:319:48:330
7450780,0irq/46-4a10000027804-21egrep00:23:110
7450780,0irq/46-4a10000024818-21meminfo00:13:300
7450780,0irq/46-4a10000023915-21grep21:02:450
7450780,0irq/46-4a10000017649-21irqstats20:43:270
7450780,0irq/46-4a10000016992-21seq20:42:440
7450770,0irq/46-4a1000005424-21grep23:18:000
7450770,0irq/46-4a1000002375-1kworker/u3:120:04:350
7450770,0irq/46-4a10000020404-21/usr/sbin/munin19:18:080
7450770,0irq/46-4a10000019384-21df_inode23:58:080
7450770,0irq/46-4a10000014637-21ntp_states23:43:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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