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2026-06-16 - 14:58
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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 10 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 16, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30140217028,114sleep00-21swapper/019:08:130
3042199146125,13cyclictest247512sleep023:00:510
304219913665,34cyclictest26828-21diskstats23:10:220
304219913587,37cyclictest14862-21chrt00:26:170
304219913485,38cyclictest11533-21/usr/sbin/munin00:15:420
304219913181,38cyclictest2037-21df_inode19:25:190
304219912981,36cyclictest3936-21ntp_states19:31:170
304219912875,40cyclictest22769-21fw_forwarded_lo20:45:270
304219912780,36cyclictest28417-21awk23:15:480
304219912779,39cyclictest30995-21fw_forwarded_lo23:25:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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