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2025-11-22 - 23:39
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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 Sat Nov 22, 2025 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14443224152172,189sleep00-21swapper05:39:260
146429910518,64cyclictest10679-21users09:42:350
146429910324,19cyclictest0-21swapper09:39:120
146429910216,23cyclictest4726-21df07:41:360
146429910119,22cyclictest27328-21ssh08:53:250
146429910118,61cyclictest24048-21apt-get10:26:160
146429910116,25cyclictest24139-21ssh08:43:030
146429910112,26cyclictest21879-21ssh10:18:290
146429910030,55cyclictest0-21swapper10:08:510
146429910018,64cyclictest0-21swapper08:24:310
146429910017,23cyclictest7061-21irqstats09:31:580
146429910016,64cyclictest22442-21apt-get10:21:160
146429910013,66cyclictest19234-21sed08:27:380
146429910013,25cyclictest13834-21users09:52:320
14642999917,62cyclictest25255-21memory08:47:120
14642999917,46cyclictest2982-21ssh11:01:310
14642999915,63cyclictest21948-21df_inode08:36:470
14642999914,44cyclictest20356-21df_inode08:31:500
14642999913,49cyclictest6727-21/usr/sbin/munin07:47:310
14642999911,47cyclictest31021-21ssh09:06:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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