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2026-06-20 - 15:59
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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 rack5slot7.osadl.org (updated Sat Jun 20, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22435224282170,58sleep00-21swapper07:03:220
226019910417,25cyclictest25472-21irqstats07:20:190
226019910220,39cyclictest6789-21munin-run11:59:360
226019910131,58cyclictest0-21swapper09:39:260
226019910130,58cyclictest0-21swapper10:51:520
226019910118,23cyclictest13385-21ssh10:44:120
226019910117,63cyclictest3667-21fw_conntrack10:15:320
226019910117,44cyclictest31162-21fw_conntrack11:35:390
226019910115,48cyclictest18966-21cstates11:00:120
226019910112,28cyclictest19872-21ssh09:28:240
226019910018,46cyclictest14028-21irqstats10:45:440
226019910017,61cyclictest20783-21df_inode11:05:260
226019910015,23cyclictest15629-21memory09:15:500
226019910014,23cyclictest27504-21fw_conntrack09:50:350
226019910010,67cyclictest23881-21latency_hist11:14:420
22601999917,45cyclictest28925-21/usr/sbin/munin11:29:370
22601999917,43cyclictest359-21df_inode11:40:270
22601999916,20cyclictest348-21ntp_states08:00:310
22601999913,47cyclictest29040-21/usr/sbin/munin11:31:070
22601999912,64cyclictest32735-21irqstats10:05:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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