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2026-09-22 - 09:07
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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 rack7slot3.osadl.org (updated Tue Sep 22, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222862126217sleep22285-21fschecks_time19:01:140
232609926391cyclictest30854-21chrt00:22:150
232609925893cyclictest2020-21munin-run22:16:060
232609925699cyclictest18045-21cpu23:26:130
232609925594cyclictest32019-21if_err_eth000:27:230
232609925299cyclictest27138-21memory21:43:110
2326099241221cyclictest250992sleep21:34:400
2326099235107cyclictest5491-21sh22:30:370
2326099231164cyclictest7196-21irqstats22:37:360
2326099230206cyclictest30015-21munin-node0
2326099229200cyclictest18307-21diskmemload22:57:020
2326099229168cyclictest6247-21ntp_states20:12:240
2326099228197cyclictest22579-21rm21:23:440
25772222615sleep25773-21sh21:37:260
2326099226199cyclictest4162-21sh22:24:200
2326099226199cyclictest31632-21irqstats22:02:390
2326099225199cyclictest15082-21if_eth023:12:260
2326099225198cyclictest21804-21perl23:42:220
2326099225195cyclictest9690-21ntp_states22:48:300
2326099225195cyclictest24339-21ssh21:31:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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