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2026-08-15 - 04:32
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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 Aug 15, 2026 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1816799272242cyclictest19933-1kworker/0:2H00:01:340
1816799268213cyclictest13396-21df21:07:340
1816799262235cyclictest22937-21perl21:48:310
1816799257230cyclictest24808-21munin-node0
1816799257227cyclictest27491-21fschecks_count00:33:050
1816799255230cyclictest651-21sshd22:33:420
1816799255230cyclictest10366-21cron23:17:020
1816799255185cyclictest11492-21ssh23:21:580
1816799254225cyclictest6203-21ssh22:58:090
181679925353cyclictest26465-21munin-node0
181679925347cyclictest23846-21munin-run00:17:120
1816799253190cyclictest15613-21cpu21:17:170
1816799252225cyclictest16254-21latency_hist23:43:000
1816799252223cyclictest18532-21ssh23:53:030
1816799252222cyclictest31772-21awk22:28:050
181679925152cyclictest21023-21irqstats00:03:420
1816799251227cyclictest5020-21ssh22:52:590
1816799251221cyclictest19933-1kworker/0:2H21:18:400
1816799251218cyclictest17373-21df_inode23:47:560
1816799251217cyclictest31978-21df20:07:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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