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2023-03-28 - 20:35

x86 AMD Geode @500 MHz, Linux 4.9.47-rt37-geode (Profile)

Latency plot of system in rack #4, slot #3
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Tue Mar 28, 2023 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
710028730,4sleep07097-21ls07:38:040
81739914914,125cyclictest21510-21fschecks_time08:22:580
81739914814,123cyclictest28255-21date10:23:120
81739914715,122cyclictest27144-21runrttasks08:39:190
81739914515,119cyclictest24132-21sshd11:49:450
81739914114,55cyclictest372-21munin-node10:37:560
81739914015,53cyclictest11713-21munin-node12:52:510
81739914015,50cyclictest10110-21munin-node09:27:590
81739914014,35cyclictest2932-21munin-node12:23:350
81739913915,51cyclictest440-21sh12:17:530
81739913914,59cyclictest31391-21munin-node08:53:170
81739913914,55cyclictest3233-21snmpd09:00:510
81739913816,49cyclictest13163-21munin-node09:37:550
81739913815,50cyclictest16401-21munin-node09:48:260
81739913815,113cyclictest11751-21fschecks_time07:53:020
81739913814,49cyclictest24618-21wget11:52:460
81739913814,114cyclictest30186-21munin-node10:28:340
81739913714,49cyclictest14001-21grep07:58:320
81739913618,20cyclictest3233-21snmpd11:16:470
81739913616,49cyclictest8482-21munin-node12:43:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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