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2026-07-11 - 13:04
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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 Sat Jul 11, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5081284220sleep5078-21tune2fs19:03:240
60139926571cyclictest24878-21latency_hist22:48:390
601399263238cyclictest19605-21runrttasks20:06:060
601399262236cyclictest30765-21cpu23:13:170
60139925784cyclictest6042-21df21:28:320
601399257233cyclictest31839-21munin-run23:18:210
601399257225cyclictest25578-21cpu20:33:170
601399257224cyclictest16945-21ssh00:34:250
60139925670cyclictest19942-21sshd22:26:570
601399256232cyclictest7732-21memory21:35:020
60139925591cyclictest12874-21netwatch00:16:180
601399255229cyclictest16141-21ssh22:10:200
601399255226cyclictest5857-21missed_timers23:45:140
601399255224cyclictest28014-21df_inode20:43:360
601399255223cyclictest7007-21ssh21:32:280
601399254227cyclictest12257-21sleep19:34:170
601399254223cyclictest8515-21fschecks_count19:18:430
60139925396cyclictest30105-21/usr/sbin/munin20:53:180
601399253229cyclictest2869-21snmpd23:40:430
601399253223cyclictest16541-21munin-run00:33:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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