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2023-12-10 - 19:03
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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
Characteristics of the 50 highest latencies:
System rack1slot1.osadl.org (updated Sun Dec 10, 2023 12:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
141022234160,23sleep20-21swapper/207:06:152
142482225159,53sleep30-21swapper/307:08:083
142982220157,25sleep10-21swapper/107:08:471
122902214157,43sleep00-21swapper/007:05:110
229312600,0sleep20-21swapper/209:29:052
12432180,0sleep20-21swapper/212:25:232
176232140,0sleep20-21swapper/208:20:232
1449799120,5cyclictest17040-21munin-node07:33:092
1449799120,0cyclictest0-21swapper/210:39:442
1450799119,1cyclictest35-21ksoftirqd/309:45:333
14507991110,1cyclictest35-21ksoftirqd/308:30:013
1449799119,1cyclictest28-21ksoftirqd/210:15:012
14474991111,0cyclictest9-21ksoftirqd/010:40:240
14474991111,0cyclictest9-21ksoftirqd/009:45:290
14474991110,1cyclictest9-21ksoftirqd/008:50:000
14474991110,1cyclictest9-21ksoftirqd/007:19:590
140722110,1sleep20-21swapper/209:16:512
1450799109,1cyclictest35-21ksoftirqd/312:20:213
1450799109,1cyclictest35-21ksoftirqd/312:20:213
1450799109,1cyclictest35-21ksoftirqd/312:05:233
1450799109,1cyclictest35-21ksoftirqd/311:00:293
1450799109,1cyclictest35-21ksoftirqd/310:20:223
1450799109,0cyclictest35-21ksoftirqd/311:19:593
1450799108,1cyclictest35-21ksoftirqd/311:50:213
1450799108,1cyclictest35-21ksoftirqd/310:40:283
1450799108,1cyclictest35-21ksoftirqd/310:35:303
14507991010,0cyclictest35-21ksoftirqd/312:35:303
14507991010,0cyclictest35-21ksoftirqd/311:56:343
14507991010,0cyclictest35-21ksoftirqd/310:30:583
1449799109,1cyclictest28-21ksoftirqd/210:44:592
1447499109,1cyclictest9-21ksoftirqd/011:15:000
1447499109,1cyclictest9-21ksoftirqd/010:45:250
1447499109,1cyclictest9-21ksoftirqd/010:10:190
1447499109,1cyclictest9-21ksoftirqd/009:35:010
14474991010,0cyclictest9-21ksoftirqd/009:15:000
145079999,0cyclictest35-21ksoftirqd/311:45:173
145079999,0cyclictest35-21ksoftirqd/310:25:173
145079998,1cyclictest35-21ksoftirqd/312:15:003
145079998,1cyclictest35-21ksoftirqd/311:40:193
145079998,1cyclictest35-21ksoftirqd/310:55:263
145079998,1cyclictest35-21ksoftirqd/310:10:173
145079998,1cyclictest35-21ksoftirqd/310:05:233
145079998,1cyclictest35-21ksoftirqd/309:50:253
145079998,1cyclictest35-21ksoftirqd/309:15:523
145079998,1cyclictest35-21ksoftirqd/309:10:293
145079997,1cyclictest35-21ksoftirqd/312:00:313
145079997,1cyclictest35-21ksoftirqd/309:35:233
145079997,1cyclictest35-21ksoftirqd/309:20:253
145079990,5cyclictest23652-21apt-get09:30:193
145079990,3cyclictest0-21swapper/309:40:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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