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2024-04-25 - 22:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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.osadl.org (updated Thu Apr 25, 2024 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191689940975,0cyclictest28347-21pluginstate07:50:300
191689940828,0cyclictest1146-21jbd2/sda1-810:24:280
191689937642,0cyclictest21393-21apt-get12:09:480
191689936758,0cyclictest21210-1kworker/0:1H07:34:460
676502860,0irq/11-sym53c8x18363-21aten_r3power_vo07:04:490
191689924385,0cyclictest30578-1kworker/0:0H10:36:560
16992320,0watchdog/018937-21munin-node09:35:040
16992260,0watchdog/03934-21ls10:50:360
16992240,0watchdog/02412-21sendmail-mta09:10:240
16992200,0watchdog/02435-21ntpd10:45:040
16992190,0watchdog/07658-21runrttasks11:08:320
16992180,0watchdog/03679-21runrttasks08:25:240
16992180,0watchdog/018348-21nfs_client11:55:240
16992180,0watchdog/015200-21sendmail_mailqu11:40:440
191689921779,0cyclictest0-21swapper12:26:250
16992170,0watchdog/06125-21sshd08:35:440
16992170,0watchdog/022414-21load07:25:050
16992170,0watchdog/016233-21chrt09:20:440
191689921626,0cyclictest108851sleep11:21:100
16992160,0watchdog/029306-21memory07:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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