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2026-08-31 - 16:02
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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 31, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16218295318sleep16216-21grep07:01:550
1716599275246cyclictest11896-21ssh11:22:300
171659927185cyclictest7865-21ntp_states11:03:590
1716599264240cyclictest20553-21runrttasks09:41:120
1716599261195cyclictest25395-21sh12:22:090
1716599261192cyclictest28761-21sh12:36:530
171659926072cyclictest29186-21ntp_kernel_pll_07:57:530
1716599260231cyclictest22853-21ssh09:50:480
1716599260228cyclictest16958-21ntp_states11:44:130
1716599259229cyclictest13898-21cron11:31:320
1716599258232cyclictest2075-21runrttasks08:21:550
1716599258231cyclictest15444-21fschecks_time11:37:500
1716599258229cyclictest18814-21ntp_kernel_pll_07:12:480
1716599257228cyclictest13131-21ssh09:09:110
1716599256227cyclictest8664-21ssh11:07:540
1716599255229cyclictest1054-21sh10:36:010
171659925475cyclictest21148-21irqstats09:43:210
1716599253226cyclictest28753-21ssh10:15:530
1716599253226cyclictest20593-21ping07:21:390
1716599253225cyclictest3735-21sshd08:27:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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