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2024-04-19 - 02:07
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack2slot7.osadl.org (updated Fri Apr 19, 2024 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
879399493,11cyclictest140025-21cron00:26:170
879599332,10cyclictest65318-21latency_hist22:31:172
8793993119,9cyclictest65453-21latency_hist22:31:170
8793993023,1cyclictest0-21swapper/023:45:280
8794992810,4cyclictest11050irq/107-eth%d22:01:171
879399283,22cyclictest0-21swapper/022:54:360
879399270,3cyclictest94579-21sshd23:14:490
879399261,19cyclictest0-21swapper/023:06:410
879599252,11cyclictest45510-21systemctl22:01:172
8795992517,7cyclictest62129-21latency_hist22:26:172
879599251,20cyclictest102463-21ssh23:26:182
879499252,5cyclictest171rcu_preempt23:41:181
879599243,11cyclictest23962-21munin-run21:26:172
879399242,0cyclictest0-21swapper/000:20:110
879399240,24cyclictest0-21swapper/022:46:490
879399232,5cyclictest120161-21ssh23:52:500
879399232,20cyclictest0-21swapper/023:33:430
8793992319,1cyclictest0-21swapper/022:15:160
879599225,4cyclictest8755-21munin-run19:11:172
879499225,14cyclictest92383-21ssh23:11:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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