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2024-11-22 - 11:32
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack9slot2.osadl.org (updated Fri Nov 22, 2024 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24802316278,25sleep20-21swapper/22
27122308271,24sleep00-21swapper/00
25162279241,26sleep10-21swapper/11
292999265257,5cyclictest7420-21munin-run1
26552241205,24sleep30-21swapper/33
292599205199,4cyclictest7458-21sendmail0
293999183178,3cyclictest7457-21sendmail3
3174821540,3sleep0292599cyclictest0
2459421350,5sleep2293499cyclictest2
293499124118,4cyclictest7432-21apt-get2
147132460,3sleep30-21swapper/33
243402420,5sleep2293499cyclictest2
57692400,2sleep30-21swapper/33
324122380,3sleep215748-1kworker/2:1H2
292599319,13cyclictest111rcu_preempt0
2925993113,4cyclictest9-21ksoftirqd/00
308802280,3sleep10-21swapper/11
248262280,1sleep30-21swapper/33
293499272,20cyclictest20349-21apt-get2
292599277,7cyclictest9-21ksoftirqd/00
2925992715,10cyclictest7141-21idleruntime-cro0
293499265,19cyclictest0-21swapper/22
2934992620,4cyclictest17025-21df2
292599256,9cyclictest9-21ksoftirqd/00
293999246,2cyclictest111rcu_preempt3
293499243,18cyclictest28346-21cron2
2925992421,2cyclictest101rcuc/00
2925992419,3cyclictest101rcuc/00
292599240,8cyclictest9-21ksoftirqd/00
292599240,6cyclictest9-21ksoftirqd/00
188622240,2sleep00-21swapper/00
188622240,2sleep00-21swapper/00
293999232,4cyclictest35-21ksoftirqd/33
2939992316,4cyclictest11763-21sh3
293499231,5cyclictest23512-40ogrotate2
293499231,4cyclictest10333-21gdbus2
292599233,7cyclictest9-21ksoftirqd/00
292599232,7cyclictest9-21ksoftirqd/00
2925992319,2cyclictest101rcuc/00
2925992319,2cyclictest101rcuc/00
2925992318,3cyclictest9-21ksoftirqd/00
2939992216,4cyclictest15334-21cut3
2939992215,5cyclictest14088-21wc3
2939992214,5cyclictest3386-21cat3
293999221,18cyclictest23531-21dump-pmu-power3
293499224,16cyclictest3230-21cat2
2934992217,3cyclictest9967-21munin-run2
2934992216,4cyclictest32095-21sh2
2934992214,5cyclictest28-21ksoftirqd/22
293499221,19cyclictest7951-21perf2
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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