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2025-11-28 - 12:37
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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 Nov 28, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30902224310,12sleep022106-1kworker/u3:117:38:550
311279910518,65cyclictest25612-21apt-get21:30:580
311279910516,24cyclictest12185-21apt-get20:51:010
311279910320,60cyclictest25084-21memory23:06:570
311279910312,71cyclictest20311-21/usr/sbin/munin22:52:010
311279910217,63cyclictest18277-21ssh21:08:010
311279910216,44cyclictest29226-21df21:41:220
311279910115,45cyclictest17118-21ssh21:05:410
311279910115,23cyclictest11707-21ssh20:48:560
311279910111,26cyclictest22240-21ssh19:44:150
311279910111,26cyclictest21962-21ntpdc22:57:040
311279910018,62cyclictest19042-21users22:47:350
311279910017,59cyclictest32170-21munin-node17:45:460
311279910010,26cyclictest2580-21fgrep17:56:410
31127999933,46cyclictest27892-21aten_r5power_vo20:01:150
31127999918,42cyclictest5485-21memory22:07:000
31127999917,62cyclictest11559-21apt-get22:25:590
31127999915,24cyclictest9071-21df20:41:240
31127999915,24cyclictest31390-21df20:11:230
31127999911,29cyclictest22647-21ssh19:45:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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