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2026-07-08 - 12:21
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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 08, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502600,0irq/46-4a1000002045-1kworker/u3:219:05:560
318682938,0sleep0438-21snmpd22:04:370
7350910,0irq/45-4a10000018062-21df_inode22:59:310
7350900,0irq/45-4a100000438-21snmpd22:40:110
132572906,0sleep013258-21meminfo21:09:510
7450880,0irq/46-4a10000018752-21unixbench_singl00:35:070
7450880,0irq/46-4a10000015521-1kworker/u3:100:27:430
7350880,0irq/45-4a10000028231-21/usr/sbin/munin20:19:240
235372880,0chrt22399-1kworker/u3:021:40:010
7450870,0irq/46-4a1000008919-21seq22:32:490
7450870,0irq/46-4a1000005323-21latency_hist19:14:140
7450870,0irq/46-4a100000438-21snmpd21:54:300
7450870,0irq/46-4a10000026213-21ls21:49:100
7450870,0irq/46-4a10000025509-21sensors_temp20:10:040
7450870,0irq/46-4a10000017452-21runrttasks21:22:310
7450870,0irq/46-4a1000001231-21sshd20:34:470
7350870,0irq/45-4a1000006892-21users22:25:120
7350870,0irq/45-4a1000004042-21grep22:19:150
7350870,0irq/45-4a10000012538-21modprobe21:09:090
158322870,0sleep014293-1kworker/u3:019:43:040
7450860,0irq/46-4a1000009701-21sshd19:24:370
7450860,0irq/46-4a1000005707-21idleruntime-cro20:49:090
7450860,0irq/46-4a100000438-21snmpd00:00:480
7450860,0irq/46-4a10000020713-21chrt23:06:330
7450860,0irq/46-4a10000017650-21sendmail-msp22:59:130
42642868,0sleep04283-21open_inodes19:09:590
3449998658,0cyclictest0-21swapper23:52:210
136572860,0sleep010835-1kworker/u3:122:45:080
7450850,0irq/46-4a1000009161-21munin-plugin-st19:24:100
7450850,0irq/46-4a1000006352-21irqstats20:49:450
7450850,0irq/46-4a1000005370-21chrt23:56:580
7450850,0irq/46-4a100000438-21snmpd22:35:100
7450850,0irq/46-4a100000438-21snmpd21:59:350
7450850,0irq/46-4a1000004173-21wget22:19:200
7450850,0irq/46-4a10000026419-21/usr/sbin/munin20:14:220
7450850,0irq/46-4a10000023157-21df_abs23:14:290
7450850,0irq/46-4a10000021933-1kworker/u3:020:05:110
7450850,0irq/46-4a1000002117-21chrt23:48:140
7450850,0irq/46-4a10000011889-21/usr/sbin/munin19:30:070
7450850,0irq/46-4a10000011519-21memory00:14:530
7450850,0irq/46-4a10000010102-21mailstats21:00:110
7450840,0irq/46-4a100000438-21snmpd22:50:190
7450840,0irq/46-4a1000003313-21mailstats20:40:120
7450840,0irq/46-4a10000031919-21/usr/sbin/munin23:39:480
7450840,0irq/46-4a10000031908-21fw_conntrack20:29:410
7450840,0irq/46-4a10000028990-21timerwakeupswit23:30:030
7450840,0irq/46-4a10000027454-21sshd23:25:480
7450840,0irq/46-4a10000026325-21aten_r4power_cu21:49:180
7450840,0irq/46-4a10000021644-21/usr/sbin/munin23:09:460
7450840,0irq/46-4a10000021112-21sendmail-msp19:59:330
7450840,0irq/46-4a10000020234-21/usr/sbin/munin21:30:020
7450840,0irq/46-4a10000019911-21sort19:54:450
7450840,0irq/46-4a1000001976-21runrttasks22:11:580
7450840,0irq/46-4a10000017582-21runrttasks00:34:030
7450840,0irq/46-4a10000013284-21missed_timers00:20:000
7450830,0irq/46-4a1000009142-21sendmail-msp20:59:130
7450830,0irq/46-4a10000024621-21aten_r4power_en23:19:180
7450830,0irq/46-4a10000022024-21which21:35:020
7450830,0irq/46-4a10000019437-21date19:54:110
7450830,0irq/46-4a10000016269-21/usr/sbin/munin19:44:240
7450830,0irq/46-4a10000015976-21sendmail-msp21:19:130
7450820,0irq/46-4a1000007577-21seq00:04:200
7450820,0irq/46-4a10000030009-21diskstats23:34:320
7450820,0irq/46-4a10000029961-21/usr/sbin/munin20:24:220
7450820,0irq/46-4a10000018534-21pluginstate21:25:000
7450820,0irq/46-4a10000012988-21diskstats19:34:310
7450820,0irq/46-4a10000010594-21runrttasks00:12:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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