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2026-03-13 - 07:13
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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 rack4slot2.osadl.org (updated Fri Mar 13, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2657212300,0chrt1467-1kworker/u3:119:03:420
3077999876,0cyclictest11288-21ntpq21:02:340
3077999775,0cyclictest24050-21runrttasks20:06:040
3077999773,0cyclictest684-21runrttasks22:07:120
3077999672,0cyclictest16985-21runrttasks00:29:000
3077999659,0cyclictest9522-21seq19:22:300
3077999573,0cyclictest16038-21df_inode19:42:070
3077999571,0cyclictest2272-21df22:12:020
3077999473,0cyclictest13769-21runrttasks00:20:340
3077999471,0cyclictest32592-21runrttasks22:06:000
3077999471,0cyclictest20598-21runrttasks21:30:480
3077999471,0cyclictest19021-21cron23:01:460
3077999471,0cyclictest15252-21runrttasks21:13:580
3077999462,0cyclictest25373-21vmstat21:42:480
3077999456,0cyclictest10241-21chrt22:34:530
3077999373,0cyclictest8575-21seq19:20:080
3077999371,0cyclictest20326-21runrttasks23:03:250
3077999357,0cyclictest6163-21ntp_kernel_pll_20:47:360
3077999356,0cyclictest6113-21load19:12:460
3077999356,0cyclictest32608-21runrttasks20:31:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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