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2026-06-16 - 15:55
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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 Jun 16, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174899272243cyclictest12411-21sh10:15:510
174899260205cyclictest5263-21ssh09:44:480
174899255227cyclictest23225-21diskmemload11:04:270
174899255223cyclictest20801-21/usr/sbin/munin10:54:190
174899255221cyclictest2337-21ssh09:32:020
174899253220cyclictest22528-21munin-run08:39:010
174899252226cyclictest24206-21munin-node0
174899252222cyclictest11648-21ssh12:36:010
174899252202cyclictest27307-21grep08:59:180
174899251223cyclictest13361-21munin-node0
174899251218cyclictest5372-21ifplugd11:59:400
17489925052cyclictest3432-21tune2fs11:59:550
174899250223cyclictest31101-21df_inode11:39:370
174899250219cyclictest29410-21diskmemload12:16:260
174899250168cyclictest2719-21lxpanel09:12:100
174899249222cyclictest29410-21diskmemload10:13:430
174899249222cyclictest20308-1kworker/0:2H10:45:200
174899248223cyclictest13407-21ssh10:20:310
174899248222cyclictest31512-21latency11:40:420
174899248222cyclictest2980-21gmain10:35:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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