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2021-10-24 - 02:59

AMD-K6(tm) 3D processor, 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 20 highest latencies:
System rack8slot1.osadl.org (updated Sun Oct 24, 2021 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3241299472169,0cyclictest2271-21munin-node19:19:110
3241299450113,0cyclictest2725-21syslogd00:33:540
3241299445132,0cyclictest2725-21syslogd23:28:550
3241299445126,0cyclictest26899-21latency_hist21:13:530
324129943968,0cyclictest11457-21grep22:39:190
3241299438132,0cyclictest2725-21syslogd22:38:530
324129943396,0cyclictest8784-21df_inode19:49:500
3241299433113,0cyclictest3112-21runrttasks22:55:100
324129943095,0cyclictest31520-21grep21:35:170
3241299430131,0cyclictest19011-21sed23:14:490
324129942799,0cyclictest23955-21seq23:38:540
324129942649,0cyclictest2725-21syslogd21:28:530
3241299424105,0cyclictest2725-21syslogd00:03:530
324129942243,0cyclictest2725-21syslogd20:19:020
3241299422124,0cyclictest334-21df_inode19:09:550
3241299422119,0cyclictest2871-21snmpd00:09:440
324129941861,0cyclictest12864-21cron20:09:060
3241299417117,0cyclictest19894-21df_inode23:19:560
324129941590,0cyclictest14976-21mailstats20:19:150
324129941558,0cyclictest1535-21jbd2/hda3-820:29:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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