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2025-11-26 - 23:46
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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 Wed Nov 26, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6163225000,12sleep032139-1kworker/u3:305:36:010
74839910615,25cyclictest14463-21apt-get08:36:050
74839910315,25cyclictest14856-21grep10:17:160
74839910313,68cyclictest17247-21apt-get10:26:040
74839910214,67cyclictest24519-21/usr/sbin/munin09:07:020
74839910214,48cyclictest24060-21ls07:06:470
74839910132,50cyclictest0-21swapper08:45:320
74839910115,64cyclictest23854-21apt-get10:46:050
74839910113,25cyclictest28326-21ssh09:18:270
74839910110,25cyclictest27818-21ssh10:57:090
74839910034,44cyclictest30697-21sshd09:26:220
74839910017,22cyclictest3186-21df_inode09:41:320
74839910016,63cyclictest11296-21apt-get08:26:050
74839910015,23cyclictest19822-21users10:32:290
74839910014,66cyclictest8823-21ntp_states08:17:110
74839910014,49cyclictest14109-21ssh08:34:250
74839910013,25cyclictest21755-21ssh08:58:050
7483999917,43cyclictest10038-21df_inode08:21:360
7483999915,64cyclictest22339-21apt-get09:01:110
7483999912,66cyclictest13599-21ssh10:13:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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