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2025-05-03 - 01:22
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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 rack2slot7.osadl.org (updated Fri May 02, 2025 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
253464996822,11cyclictest0-21swapper/012:33:010
25346499402,26cyclictest0-21swapper/009:51:200
253464993814,8cyclictest0-21swapper/009:57:040
253464993615,5cyclictest0-21swapper/009:31:200
253466993527,6cyclictest1005-21mta-sts-daemon11:01:172
25346499352,27cyclictest266189-21latency07:51:200
25346499331,22cyclictest0-21swapper/012:11:110
253466993226,4cyclictest1006-21mta-sts-daemon09:36:192
25346499323,19cyclictest0-21swapper/010:51:140
25346499321,5cyclictest433582-21collect212:06:150
25346499318,11cyclictest253427-21munin-run07:13:000
25346499312,17cyclictest301056-21grep09:23:010
253466993021,6cyclictest259946-21grep07:31:222
253465992923,5cyclictest272447-21fschecks_time08:11:141
25346499292,8cyclictest333382-21ssh10:06:170
253464992919,1cyclictest0-21swapper/010:09:120
25346499291,27cyclictest0-21swapper/009:16:200
25346499290,22cyclictest0-21swapper/011:56:170
25346499290,1cyclictest0-21swapper/007:16:090
25346699283,13cyclictest460313-21apt-get12:33:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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