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2026-05-20 - 21:48
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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 20 highest latencies:
System rack3slot7.osadl.org (updated Wed May 20, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140140ksoftirqd/012220-21kworker/0:107:03:170
166289816712cyclictest29459-21munin-node09:33:460
166289815812cyclictest4721-21munin-node11:43:450
166289815811cyclictest6400-21if_eth008:18:150
166289815712cyclictest31555-21nfs_client07:53:340
166289815712cyclictest23071-21munin-node07:28:160
166289815612cyclictest9528-21df10:13:210
166289815612cyclictest7055-21sendmail_mailqu11:48:440
166289815611cyclictest27962-21munin-node07:43:230
166289815412cyclictest12457-21open_inodes12:08:150
166289815313cyclictest22003-21munin-node09:08:250
166289815313cyclictest20645-21aten2.4_r3power09:03:300
166289815312cyclictest27176-21sendmail_mailqu09:23:440
166289815312cyclictest16140-21if_err_eth012:18:360
166289815311cyclictest20214-21mailstats10:48:160
166289815212cyclictest25977-21runrttasks11:06:060
166289815212cyclictest224852sleep007:24:210
166289815114cyclictest26891-21nfs_client07:38:350
166289815114cyclictest19099-21munin-node10:43:320
166289815113cyclictest3899-21aten2.4_r3power09:53:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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