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2026-04-26 - 10:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 376 highest latencies:
System rack3slot7.osadl.org (updated Sun Apr 26, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140150ksoftirqd/017689-21kworker/0:119:04:520
14991380watchdog/0649-21munin-node21:19:500
14991270watchdog/03943-21df21:29:580
14991270watchdog/011779-21df_inode20:10:020
4308212611sleep04309-21needreboot23:15:130
14991240watchdog/09929-21mailstats23:34:500
14991240watchdog/027667-21missed_timers00:30:220
14991230watchdog/05537-21aten2.4_r3power21:34:580
14991230watchdog/02792-21runrttasks19:56:500
14991220watchdog/09048-21aten2.4_r3power23:30:180
14991220watchdog/07932-21sshd23:27:100
14991210watchdog/02792-21runrttasks20:50:380
14991210watchdog/014122-21runrttasks23:47:220
25263211911sleep025322-21aten2.4_r3power19:09:440
14991180watchdog/03355-21runrttasks21:27:140
14991140watchdog/031336-21runrttasks22:59:140
22471211311sleep022523-21df_inode00:15:020
14991130watchdog/0197262chrt22:20:100
14991130watchdog/016029-21latency_hist20:24:380
14991120watchdog/015397-21hostname23:50:220
14991100watchdog/02792-21runrttasks22:53:500
14991100watchdog/02792-21runrttasks21:04:380
14991100watchdog/02792-21runrttasks19:15:340
14991090watchdog/026897-21munin-node22:44:580
14991080watchdog/09640-21seq21:48:140
2234501070irq/11-eth02792-21runrttasks00:26:100
14991070watchdog/024656-21cstates22:35:220
2234501050irq/11-eth02792-21runrttasks20:25:530
2234501050irq/11-eth0220432sleep022:28:500
2234501010irq/11-eth05232-21wc19:49:390
2234501000irq/11-eth0921-21df_inode23:05:030
80650920irq/14-ide02264-21df23:09:560
223450900irq/11-eth07018-21awk21:39:560
223450870irq/11-eth019150-21munin-node00:05:060
223450860irq/11-eth031994-21nfs_client23:00:100
223450860irq/11-eth012703-21sshd21:58:100
1499850watchdog/014661-21apt22:04:540
80650840irq/14-ide017746-21df22:14:550
25168988413cyclictest2994-21timerandwakeup19:40:200
1499830watchdog/022762-21aten2.4-expect20:45:060
25168988214cyclictest13451-21basename22:00:060
1499820watchdog/018520-21aten2.4_r3power00:00:260
80650810irq/14-ide08769-21df_inode20:00:050
2877928112sleep028841-21unixbench_singl21:05:030
25168988113cyclictest31883-21df_inode21:15:030
25168988112cyclictest16311-21cpu23:55:010
1499810watchdog/06172-21seq23:20:220
1499810watchdog/029228-21runrttasks19:20:180
1499810watchdog/013274-21aten2.4_r3power20:14:580
1499810watchdog/010413-21aten2.4_r3power20:05:060
25168988013cyclictest5616-21df_inode19:50:020
25168988012cyclictest28865-21nfs_client00:35:090
25168987913cyclictest16137-21mailstats22:09:510
25168987912cyclictest11692-21cpu23:40:010
25168987813cyclictest31535-21latency_hist19:29:390
25168987813cyclictest30060-21mailstats21:09:520
25168987813cyclictest18675-21sshd20:31:100
1499780watchdog/01871-21runrttasks19:37:500
25168987712cyclictest20909-21aten2.4_r3power00:09:590
25168987613cyclictest32129-21cut19:30:090
25168987613cyclictest19213-21munin-node20:34:510
25168987612cyclictest9932-21munin-node21:50:170
25168987612cyclictest22744-21nfs_client22:30:080
223450760irq/11-eth025580-21load20:54:570
25168987512cyclictest24153-21unixbench_singl00:20:040
1499750watchdog/021765-21sshd20:41:100
25168987312cyclictest25710-21rt-features22:40:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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