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2026-03-23 - 13:28
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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 Mon Mar 23, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745012970,0irq/46-4a1000004598-1kworker/u3:219:03:280
6213999273,0cyclictest27647-21df_abs20:06:430
6213999268,0cyclictest22592-21chrt19:51:470
6213999257,0cyclictest24456-21fw_conntrack19:56:550
6213999174,0cyclictest13644-21latency_hist19:26:260
6213999168,0cyclictest6512-21runrttasks22:14:130
6213999052,0cyclictest22305-21/usr/sbin/munin23:01:500
6213998969,0cyclictest29393-21df_abs21:46:440
6213998968,0cyclictest29209-21runrttasks23:21:370
6213998954,0cyclictest31062-21df20:16:420
6213998871,0cyclictest20965-21fschecks_time19:46:520
6213998870,0cyclictest24688-21ntp_offset23:07:100
6213998870,0cyclictest22176-21sh23:01:240
6213998869,0cyclictest22217-21latency_hist21:26:270
6213998868,0cyclictest9277-21missed_timers23:57:090
6213998770,0cyclictest13862-21aten_r4power_vo19:26:370
6213998767,0cyclictest29499-21fschecks_time20:11:510
6213998767,0cyclictest17857-21ntp_offset21:12:120
6213998765,0cyclictest8272-21runrttasks20:44:360
6213998764,0cyclictest5136-21wc20:36:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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