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2026-05-19 - 01:51
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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 100 highest latencies:
System rack3slot7.osadl.org (updated Tue May 19, 2026 00:43:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/032684-21kworker/0:019:03:210
14991310watchdog/01899-21munin-node22:33:290
14991290watchdog/0631-21df_inode22:28:330
14991280watchdog/022325-21df_inode20:08:330
14991260watchdog/05342-21cpu19:13:330
14991260watchdog/02792-21runrttasks19:43:570
14991240watchdog/024115-21needreboot23:43:450
14991240watchdog/01238-21cstates20:43:530
14991220watchdog/03966-21nfs_client22:38:370
14991220watchdog/025142-21munin-node20:18:410
14991210watchdog/031632-21rt-features22:23:330
14991200watchdog/017717-21rt-features23:23:330
14991190watchdog/029116-21runrttasks23:59:210
14991180watchdog/020550-21sendmail_mailst20:03:210
14991170watchdog/025618-21nfs_client23:48:410
14991130watchdog/05586-21nfs_client20:58:410
28277211212sleep028286-21sh22:13:240
14991120watchdog/015833-21munin-node23:18:290
14991110watchdog/027402-21chrt20:23:490
14991110watchdog/022393-21unixbench_singl21:53:330
14738211112sleep014763-21nfs_client23:13:400
14991100watchdog/02792-21runrttasks20:37:010
14991100watchdog/012468-21runrttasks23:06:570
14991090watchdog/027750-21runrttasks22:10:330
14991090watchdog/016219-21df_inode19:48:330
14991070watchdog/09540-21chrt19:27:410
14991070watchdog/05248-21aten2.4_r3power22:43:290
14991070watchdog/014232-21munin-run19:43:090
14991060watchdog/08263-21df22:53:290
14991060watchdog/032058-21missed_timers00:08:530
14991050watchdog/02792-21runrttasks21:45:050
14991050watchdog/026793-21swap23:53:250
14991030watchdog/0512-21ntp_offset00:13:290
14991030watchdog/04626-21runrttasks19:10:210
14991030watchdog/023661-21if_eth020:13:210
14991030watchdog/021159-21interrupts23:33:490
14991030watchdog/0136642sleep023:09:050
14991010watchdog/017494-21basename21:38:210
223450960irq/11-eth06966-21aten2.4_r3power00:33:360
223450950irq/11-eth0217322sleep021:51:460
3296989113cyclictest31115-21idleruntime-cro00:08:090
80650850irq/14-ide011406-21df21:18:260
3296988327cyclictest2792-21runrttasks21:59:390
3296988313cyclictest5285-21df_inode00:28:320
223450820irq/11-eth07542-21seq22:49:280
223450820irq/11-eth014766-21aten2.4_r3power21:28:350
3296988112cyclictest6612-21munin-node21:03:440
223450810irq/11-eth031321-21runrttasks20:38:200
3296988013cyclictest6700-21grep19:18:210
3296988012cyclictest13263-21nfs_client21:23:380
3296987912cyclictest2365-21munin-node20:48:350
3296987912cyclictest10164-21aten2.4_r3power19:28:360
223450790irq/11-eth030090-21rt-features22:18:320
1499790watchdog/02792-21runrttasks00:21:210
1499790watchdog/018064-21aten2.4_r3power19:53:450
3296987813cyclictest19703-21munin-node19:58:500
3296987812cyclictest25545-21aten2.4_r3power22:03:350
3296987728cyclictest12745-21latency_hist19:38:110
3296987712cyclictest9999-21df_inode22:58:340
3296987712cyclictest10008-21df_inode21:13:340
3296987711cyclictest3515-21munin-node20:53:190
1499770watchdog/019916-21runrttasks23:29:490
3296987613cyclictest15738-21latency_hist21:33:100
1499760watchdog/09572-21idleruntime-cro21:13:090
1499760watchdog/028581-21unixbench_singl20:28:330
3296987514cyclictest22363-21unixbench_singl23:38:330
1499750watchdog/03449-21which00:23:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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