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2022-10-04 - 09:08

x86 Intel Pentium @133 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #3, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l25000000 -m -n -a0 -t1 -p99 -i800 -h1000 -q
Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot5.osadl.org (updated Tue Oct 04, 2022 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73059942345,0cyclictest12061-21rm00:02:000
73059940597,0cyclictest8398-21ssh21:38:260
73059940573,0cyclictest7665-21latency_hist21:35:530
73059940372,0cyclictest5699-21aten_r3power_cu21:26:090
73059939564,0cyclictest19192-21ssh22:22:390
73059939132,0cyclictest2338-21snmpd21:46:340
73059938831,0cyclictest2429-21ntpd20:30:070
73059938766,0cyclictest21509-21ssh00:37:490
73059938629,0cyclictest9483-21sh19:17:420
73059938463,0cyclictest23275-21latency_hist20:20:490
73059938326,0cyclictest7881-21cat23:45:530
73059938243,0cyclictest11685-21munin-run00:00:550
73059938160,0cyclictest12481-1kworker/u3:122:00:430
73059937940,0cyclictest8613-21kworker/u2:021:42:510
73059937937,0cyclictest2194-21mailstats21:11:050
73059937928,0cyclictest26339-21cat22:50:530
73059937856,0cyclictest4453-21sh21:20:440
73059937758,0cyclictest2338-21snmpd23:48:000
73059937643,0cyclictest16844-21idleruntime-cro00:20:440
73059937632,0cyclictest2056-21pluginstate21:10:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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