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2025-12-02 - 23:51
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rackeslot4.osadl.org (updated Tue Dec 02, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1257641994640,4cyclictest1545197-21fwupd11:18:132
125764199341,21cyclictest1495523-21df10:40:142
1257641993329,2cyclictest0-21swapper/209:20:162
125764199330,23cyclictest1571874-21sort11:40:202
125764199321,22cyclictest1361378-21apt-get08:50:132
1257641993117,4cyclictest1495045-21sh10:39:592
125764199311,3cyclictest1278568-21apt-get07:30:152
125764199310,21cyclictest0-21swapper/210:25:152
125764199301,2cyclictest1381377-21diskmemload10:06:002
125764199300,3cyclictest1594391-21ntpq11:55:222
1257643992817,2cyclictest191rcu_preempt09:49:373
1257641992820,2cyclictest1268460-21apt-get07:20:122
1257641992819,1cyclictest0-21swapper/211:37:102
125764199281,2cyclictest1381377-21diskmemload10:46:372
125764199280,21cyclictest1437361-21ssh09:53:432
1257641992719,1cyclictest0-21swapper/211:32:102
1257641992717,3cyclictest1273507-21apt-get07:25:122
125764199271,2cyclictest1381377-21diskmemload09:17:132
125764199271,2cyclictest1381377-21diskmemload09:17:122
125764199270,21cyclictest1645548-21ssh12:36:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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