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2026-03-26 - 17:38
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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 (updated Thu Mar 26, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25577237019sleep25578-21latency_hist07:07:170
2559199264238cyclictest1012-21runrttasks12:07:580
2559199263237cyclictest2851-21ntpdc12:14:170
2559199259228cyclictest29247-21cut07:22:470
2559199258232cyclictest5414-21ssh10:16:090
2559199258110cyclictest27919-21grep07:17:250
2559199257229cyclictest24011-21sh09:22:070
2559199257226cyclictest8291-21if_eth008:12:570
2559199257110cyclictest16286-21ls08:48:070
255919925667cyclictest7159-21munin-run12:32:300
2559199254227cyclictest25923-21missed_timers09:29:170
2559199254100cyclictest22303-21kworker/u2:107:48:180
255919925298cyclictest2834-21snmpd12:26:410
2559199251224cyclictest29890-21diskmemload11:53:320
2559199251116cyclictest22002-21df_inode11:22:530
2559199251106cyclictest4095-21ntpq12:19:260
2559199251105cyclictest7153-21awk10:23:070
2559199250121cyclictest19871-21processes09:03:320
255919924997cyclictest19110-21chrt09:00:330
2559199249124cyclictest19025-21chrt11:09:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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