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2025-05-02 - 12:59
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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 rack5slot2.osadl.org (updated Fri May 02, 2025 00:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
208232203187,11sleep10-21swapper/119:08:031
206962201185,11sleep30-21swapper/319:06:263
209432197182,11sleep20-21swapper/219:09:372
206932193176,12sleep00-21swapper/019:06:230
182472440,0sleep10-21swapper/121:59:371
27312430,0sleep00-21swapper/021:51:050
93072120,0sleep00-21swapper/023:33:250
108222100,1sleep3381rcuc/319:50:213
211489990,9cyclictest4137-21perf20:45:013
211489990,8cyclictest9296-21apt-get20:55:163
211489990,8cyclictest8337-21apt-get23:00:133
211489990,8cyclictest27769-21cut21:15:153
211489990,8cyclictest26664-21apt-get00:15:123
211489990,8cyclictest24234-21apt-get20:20:143
211489990,8cyclictest0-21swapper/321:25:163
211489990,5cyclictest14340-21apt-get20:00:143
211489982,5cyclictest25406-21cat19:15:173
211489980,7cyclictest9208-21sh21:38:403
211489980,7cyclictest5437-21apt-get23:15:143
211489980,7cyclictest4891-21munin-run23:15:013
211489980,7cyclictest32295-21apt-get23:45:153
211489980,7cyclictest31920-21apt-get19:30:123
211489980,7cyclictest29483-21apt-get00:00:123
211489980,7cyclictest26991-21apt-get19:20:133
211489980,7cyclictest23802-21apt-get22:35:123
211489980,7cyclictest23757-21apt-get00:30:123
211489980,7cyclictest23269-21cron22:35:003
211489980,7cyclictest19271-21apt-get20:10:153
211489980,7cyclictest18185-21apt-get23:05:133
211489980,7cyclictest16878-21apt00:10:133
211489980,7cyclictest16487-21diskmemload21:10:153
211489980,7cyclictest12755-21ssh23:51:033
211489980,7cyclictest11852-21apt-get19:55:143
211489980,7cyclictest11805-21dpkg21:40:013
211489980,7cyclictest0-21swapper/323:30:143
211489980,7cyclictest0-21swapper/320:50:143
211439981,6cyclictest0-21swapper/221:00:162
211349982,4cyclictest4944-21ssh00:04:070
211349982,4cyclictest31389-21sh21:33:280
211349982,4cyclictest29723-21smartctl23:10:210
211349982,4cyclictest15486-21ssh23:52:470
211349982,4cyclictest0-21swapper/000:11:450
211349982,3cyclictest5975-21ssh23:47:590
211349982,3cyclictest30984-21rm23:44:410
211349982,2cyclictest7266-21ssh00:21:030
211349982,2cyclictest3884-21chrt20:42:050
211349982,2cyclictest31015-21ssh00:16:500
211349982,2cyclictest25142-21ssh21:46:020
211349982,2cyclictest24539-21ssh23:57:100
211349982,2cyclictest1981-21ssh21:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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