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2026-04-14 - 21:12
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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 Apr 14, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3858271723sleep3860-21proc_pri07:02:130
452399254227cyclictest10344-21munin-node0
452399253226cyclictest15762-21idleruntime-cro07:56:370
452399249225cyclictest7158-21irqstats07:17:350
452399249225cyclictest22552-21diskmemload10:40:160
452399247222cyclictest30667-21chrt09:02:030
452399247183cyclictest29338-21sendmail08:56:360
452399246214cyclictest14303-21sort07:48:140
452399245179cyclictest15459-21df_inode10:12:290
452399244178cyclictest8124-21cut11:52:460
452399243216cyclictest22754-21latency_hist08:27:010
452399243213cyclictest1549-21ssh11:26:460
452399243175cyclictest10124-21/usr/sbin/munin07:31:450
452399242213cyclictest21640-21df_inode08:22:070
452399242182cyclictest11624-21latency_hist12:07:180
452399242174cyclictest18032-21basename08:06:350
452399241209cyclictest3136-21ls09:22:260
452399241180cyclictest5418-21cpu11:41:510
452399240215cyclictest13991-21latency_hist12:17:190
452399240208cyclictest31599-21diskmemload12:18:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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