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2023-09-30 - 23:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack7slot8 (updated Sat Sep 30, 2023 14:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10653213990,11sleep010642-21cyclictest07:10:050
106549918344,122cyclictest3650irq/20-4900000008:59:350
10654991779,114cyclictest7066-21wget11:00:180
10654991739,143cyclictest5654-21nginx08:01:070
106549917310,22cyclictest26110-21nodejs08:07:140
106549916928,119cyclictest1-21systemd07:31:260
106549916844,110cyclictest866-21/usr/sbin/munin10:36:250
10654991678,16cyclictest2214-21nodejs08:40:190
106549916731,102cyclictest27452-21snmpd09:12:230
10654991669,48cyclictest5208-21nodejs10:53:070
10654991669,136cyclictest11979-21wget09:15:280
10654991658,17cyclictest6046-21nodejs08:54:290
10654991658,16cyclictest7500-21apt-get09:04:290
106549916536,111cyclictest8950irq/40-mmc108:36:190
106549916516,132cyclictest19998-21nodejs07:45:510
10654991649,19cyclictest4229-21chrt08:46:480
10654991649,133cyclictest12304-21diskstats07:15:520
106549916322,125cyclictest29603-21nodejs08:21:550
10654991627,17cyclictest11141-21nodejs07:11:340
106549916234,115cyclictest13510-21aten_r7power_vo07:20:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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