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2026-06-19 - 12:49
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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 Jun 19, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501970,0irq/46-4a10000015297-21sshd19:07:040
15696999577,0cyclictest27292-21/usr/sbin/munin00:25:470
15696998561,0cyclictest24810-21idleruntime-cro19:34:550
15696998465,0cyclictest9854-21runrttasks23:35:200
15696998359,0cyclictest1555-21irqstats20:00:340
15696998263,0cyclictest15236-21irqstats22:15:520
15696998153,0cyclictest26949-21diskstats21:15:190
15696998067,0cyclictest7075-21/usr/sbin/munin21:50:510
15696998062,0cyclictest3585-21mailstats21:40:550
15696998061,0cyclictest438-21snmpd22:35:300
15696998060,0cyclictest31339-21runrttasks00:37:490
15696998057,0cyclictest18445-21fschecks_count00:00:250
15696997958,0cyclictest26990-21fschecks_count22:50:220
15696997957,0cyclictest8994-21runrttasks23:31:360
15696997957,0cyclictest24927-21runrttasks19:35:010
15696997956,0cyclictest5005-21latency20:10:320
15696997955,0cyclictest22236-21ntp_states21:00:500
15696997955,0cyclictest1019-21aten_r4power_cu21:35:050
15696997861,0cyclictest21410-21latency_hist00:09:570
15696997852,0cyclictest13375-21tune2fs22:10:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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