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2026-06-08 - 12:51
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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 Jun 08, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81992105612sleep8198-21if_eth019:04:260
908699239179cyclictest20193-21ssh00:38:380
908699233207cyclictest20657-21df19:59:230
908699233205cyclictest10000-21ping19:11:460
908699232207cyclictest6231-21ssh21:16:320
908699231205cyclictest25398-21tune2fs20:19:430
908699231172cyclictest30721-21sshd23:02:390
908699230204cyclictest23001-21grep20:09:270
908699230164cyclictest8721-21ssh21:27:150
908699229203cyclictest7319-21cat23:41:190
908699229160cyclictest4372-21cpu23:29:200
908699228199cyclictest10781-21ntp_states19:15:490
908699228166cyclictest13085-21ssh00:06:460
908699228164cyclictest14012-21ls00:10:500
908699227199cyclictest24312-21df_inode22:34:530
908699226199cyclictest2935-21runrttasks23:38:190
908699225196cyclictest19200-21runrttasks19:51:430
908699224199cyclictest10062-21ssh21:33:100
908699223199cyclictest4800-21ssh23:30:380
908699223199cyclictest3371-21cut23:24:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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