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2025-12-10 - 00:17
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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 20 highest latencies:
System rack5slot7.osadl.org (updated Tue Dec 09, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12702224002210,138sleep00-21swapper05:38:480
128799914970,52cyclictest14972-21apt-get10:00:260
128799914876,48cyclictest21337-21apt-get10:20:260
128799914671,49cyclictest10527-21/usr/sbin/munin08:05:570
128799914668,36cyclictest10105-21apt-get09:45:290
128799914572,46cyclictest30300-21users10:46:510
128799914569,33cyclictest27879-21apt-get10:40:310
128799914475,29cyclictest18541-21fw_conntrack10:11:070
128799914470,49cyclictest12413-21df_inode08:10:520
128799914469,37cyclictest2189-21df_inode09:20:590
128799914468,51cyclictest28124-21df09:00:500
128799914467,52cyclictest25645-21users08:51:500
128799914368,52cyclictest2020-21df11:00:480
128799914364,39cyclictest29456-21/usr/sbin/munin09:06:150
128799914270,49cyclictest17665-21ssh10:07:500
128799914268,51cyclictest4019-21wc09:26:200
128799914267,51cyclictest2695-21/usr/sbin/munin07:41:370
128799914266,52cyclictest26348-21apt-get08:55:270
128799914265,38cyclictest14915-21ssh08:18:460
128799914264,52cyclictest31413-21if_eth010:51:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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