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2026-05-27 - 05:54
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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 May 27, 2026 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7017284718sleep7016-21cpu19:04:360
808999262237cyclictest15716-21munin-node0
808999259231cyclictest20146-21chrt20:01:000
808999257226cyclictest18604-21fschecks_count19:55:020
808999256228cyclictest1517-21grep23:21:350
808999255230cyclictest18702-21diskmemload00:36:570
808999255226cyclictest15033-21cpuspeed19:39:410
808999253227cyclictest3766-21kernelversion23:31:090
808999253224cyclictest9884-21munin-node0
808999251223cyclictest6785-21ssh23:45:000
808999250225cyclictest8337-21latency23:51:110
808999250191cyclictest17214-21perl00:30:470
808999249224cyclictest11921-21ntp_states00:06:540
808999249221cyclictest26636-21chrt22:49:540
808999249220cyclictest2935-21runrttasks00:13:570
808999249220cyclictest22191-21if_err_eth020:10:210
808999248182cyclictest4305-21chrt21:13:440
808999247222cyclictest2719-21lxpanel20:41:490
808999247222cyclictest13113-21if_err_eth021:50:550
808999246220cyclictest5009-21wc23:36:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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