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2026-04-08 - 10:21
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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 Wed Apr 08, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34212139318sleep3422-21latency_hist19:06:550
345599261130cyclictest18365-21ssh22:27:440
345599259133cyclictest30540-21sh23:15:120
345599258110cyclictest8143-21/usr/sbin/munin21:47:140
345599257128cyclictest22396-21if_err_eth022:43:090
345599254130cyclictest9535-21df_inode21:52:330
345599254113cyclictest27945-21runrttasks23:04:250
345599252123cyclictest27173-21munin-run20:51:540
345599251130cyclictest17297-21fschecks_time20:07:280
345599251125cyclictest6048-21sort19:17:370
345599251122cyclictest19267-21munin-run20:16:530
345599251118cyclictest21188-21ssh22:38:250
345599251111cyclictest7661-1kworker/0:1H23:34:380
34559925082cyclictest12953-21memory19:47:520
34559924968cyclictest9173-21egrep19:32:010
345599249123cyclictest14678-21cpu00:22:020
345599249122cyclictest8567-21cpu23:57:010
345599248121cyclictest3799-21if_eth019:07:360
345599248120cyclictest17668-21iwlist00:33:220
345599248111cyclictest1621-21ssh23:29:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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