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2026-05-05 - 04:10
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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 Tue May 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502790,0irq/46-4a10000012-21ksoftirqd/019:00:400
16080999577,0cyclictest16799-21/usr/sbin/munin19:05:280
16080999378,0cyclictest13949-21/usr/sbin/munin23:40:230
16080999268,0cyclictest8054-21runrttasks20:14:290
16080999267,0cyclictest17247-21fw_forwarded_lo20:40:160
16080999154,0cyclictest3616-21if_err_eth021:35:190
16080999073,0cyclictest24142-21/usr/sbin/munin21:00:230
16080999071,0cyclictest8270-21aten_r4power_cu20:14:540
16080999071,0cyclictest725-21unixbench_singl19:50:420
16080998971,0cyclictest4845-21aten_r4power_cu21:39:540
16080998971,0cyclictest18892-21fschecks_time20:45:120
16080998966,0cyclictest31784-21runrttasks00:32:460
16080998965,0cyclictest27488-21fw_forwarded_lo21:10:180
16080998964,0cyclictest3234-21/usr/sbin/munin19:59:580
16080998964,0cyclictest27024-21ls19:34:500
16080998869,0cyclictest5536-21runrttasks20:05:350
16080998869,0cyclictest22002-21aten_r4power_vo22:29:560
16080998866,0cyclictest11097-21runrttasks23:31:190
16080998865,0cyclictest9687-21runrttasks23:28:480
16080998864,0cyclictest28838-21basename19:39:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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