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2026-08-17 - 10:07
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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 Mon Aug 17, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8772285022sleep8774-21timerandwakeup19:02:570
923899260232cyclictest13000-21wc00:07:440
923899259225cyclictest17104-21munin-run00:27:170
923899258205cyclictest18494-21ssh00:32:590
923899257228cyclictest31579-21ntp_kernel_err20:43:130
92389925648cyclictest24034-21fschecks_time22:33:130
923899256228cyclictest31260-21ssh23:04:520
923899256226cyclictest22281-21sh22:25:200
923899256226cyclictest20251-21cron22:16:590
923899256224cyclictest4443-21diskmemload00:13:150
92389925569cyclictest18878-21memory19:48:050
923899255226cyclictest15980-21/usr/sbin/munin00:22:240
923899254227cyclictest10726-21ssh21:34:040
923899253227cyclictest10194-21ssh21:32:200
923899253223cyclictest7115-21diskmemload21:18:170
923899251228cyclictest2125-21chrt23:19:300
923899251225cyclictest497-21ssh23:12:560
923899251223cyclictest28202-21chrt22:52:070
923899250225cyclictest21536-21timerandwakeup19:59:080
923899250222cyclictest26781-21perl20:22:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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