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2026-05-12 - 23:35
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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 May 12, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11235283526sleep11236-21egrep07:05:010
122999927087cyclictest1517-21runrttasks08:42:570
1229999264132cyclictest8085-21ssh09:11:420
1229999259137cyclictest24707-21munin-node0
122999925881cyclictest20175-21munin-node0
1229999258126cyclictest17471-21netwatch09:52:120
1229999254127cyclictest12430-21ssh09:30:490
122999925085cyclictest23392-21sh10:18:550
122999924983cyclictest5421-21latency_hist11:20:520
1229999249128cyclictest19335-21irqstats12:21:320
1229999249119cyclictest31639-21netwatch08:32:280
122999924847cyclictest10137-21perl11:41:080
122999924796cyclictest12001-21munin-run11:49:530
122999924785cyclictest2719-21lxpanel11:59:470
1229999247123cyclictest21280-21latency_hist12:30:290
1229999246128cyclictest27007-21chrt08:12:070
1229999246119cyclictest10980-21ssh09:24:310
1229999245120cyclictest14502-21wc09:40:020
1229999245119cyclictest2913-21cron08:49:470
122999924381cyclictest13297-21ssh11:55:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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