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2025-12-30 - 18:38
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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 rackbslot2.osadl.org (updated Tue Dec 30, 2025 12:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19480102228199,19sleep00-21swapper/007:09:180
19479302227197,20sleep20-21swapper/207:08:152
19480022225196,19sleep30-21swapper/307:09:143
19477672224194,20sleep10-21swapper/107:06:091
199808721000,1sleep30-21swapper/308:05:073
194818999571,3cyclictest2135829-21snmp_wlanswitch10:45:010
1948199995350,2cyclictest2148215-21kworker/u8:0+flush-179:011:10:153
1948189995349,2cyclictest1996476-21kworker/u8:0+events_unbound08:10:140
1948189995248,3cyclictest2184637-21kworker/u8:4+flush-179:012:30:060
1948196994843,3cyclictest2135784-21chrome10:45:002
1948196994744,2cyclictest2145053-21kworker/2:0+pm11:20:012
1948194994641,4cyclictest47022-21systemd-journal11:10:001
1948199994542,2cyclictest2148215-21kworker/u8:0+flush-179:011:35:163
1948199994542,2cyclictest2135826-21/usr/sbin/munin10:45:013
1948196994542,2cyclictest2017368-21awk08:25:152
1948194994542,2cyclictest1952115-21kworker/u8:1+flush-179:007:30:151
1948189994542,2cyclictest2037034-21kworker/u8:2+flush-179:009:15:050
194819699440,43cyclictest2109424-31munin-html10:10:322
1948189994444,0cyclictest2077728-21awk09:35:160
1948189994439,3cyclictest2092596-21/usr/share/muni09:55:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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