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2025-10-31 - 20:43
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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 Fri Oct 31, 2025 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5135224032210,141sleep00-21swapper05:41:570
51769910314,46cyclictest2455-21sh09:47:200
51769910215,66cyclictest24207-21memory09:13:150
51769910212,49cyclictest13760-21ssh10:22:300
51769910119,60cyclictest26008-21memory10:58:210
51769910117,62cyclictest7969-21fw_conntrack08:22:590
51769910116,28cyclictest1081-21df09:42:470
51769910018,61cyclictest17488-21irqstats10:33:070
51769910018,45cyclictest5442-21ssh09:56:220
51769910017,47cyclictest23786-21apt-get10:52:190
51769910016,64cyclictest10976-21memory10:13:230
51769910013,66cyclictest29407-21memory11:08:260
51769910010,69cyclictest4051-21ssh08:10:180
5176999932,50cyclictest0-21swapper10:51:420
5176999918,58cyclictest4835-21fw_conntrack08:13:000
5176999915,62cyclictest32469-21df_inode07:57:450
5176999914,66cyclictest30080-21apt-get09:32:250
5176999914,65cyclictest27125-21df09:22:430
5176999912,24cyclictest2476-21ssh08:05:200
5176999911,25cyclictest31674-21ssh09:37:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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