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2023-05-31 - 18:46

x86 AMD K6-3D @300 MHz, Linux 5.6.19-rt11-k6 (Profile)

Latency plot of system in rack #8, slot #1
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l50000000 -m -n -p99 -i400 -h800 -q
Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 10 highest latencies:
System rack8slot1.osadl.org (updated Wed May 31, 2023 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2112899477108,0cyclictest27031-21sendmail_mailtr07:29:430
2112899472152,0cyclictest1535-21jbd2/hda3-807:21:500
211289946369,0cyclictest2789-21syslogd12:29:190
2112899463162,0cyclictest19080-21latency_hist09:04:300
211289945952,0cyclictest3065-21ls07:59:350
2112899454161,0cyclictest2789-21syslogd07:49:210
2112899444160,0cyclictest2789-21syslogd10:39:270
2112899444158,0cyclictest12005-21munin-node08:35:210
2112899442155,0cyclictest13338-21runrttasks08:40:380
211289944189,0cyclictest21125-21cyclictest11:45:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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