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2025-02-11 - 02:14
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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 rack1slot3.osadl.org (updated Tue Feb 11, 2025 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
653581991615,0cyclictest0-21swapper/300:05:003
653581991613,1cyclictest0-21swapper/300:35:123
653581991611,0cyclictest0-21swapper/323:55:213
653581991311,0cyclictest0-21swapper/320:40:133
653581991310,2cyclictest0-21swapper/321:55:133
65358199130,12cyclictest0-21swapper/322:20:123
65358199130,12cyclictest0-21swapper/300:15:153
65358199130,11cyclictest0-21swapper/323:40:113
65358199121,8cyclictest0-21swapper/323:55:013
653581991212,0cyclictest0-21swapper/323:50:003
653581991212,0cyclictest0-21swapper/319:30:003
65358199120,11cyclictest0-21swapper/321:00:133
65358199120,11cyclictest0-21swapper/321:00:013
65358199120,11cyclictest0-21swapper/320:15:163
653581991111,0cyclictest0-21swapper/323:15:183
653581991111,0cyclictest0-21swapper/322:50:083
653581991111,0cyclictest0-21swapper/319:15:003
65358199110,11cyclictest0-21swapper/322:15:203
65358199110,10cyclictest0-21swapper/323:10:013
65358199110,10cyclictest0-21swapper/322:44:323
65358199110,10cyclictest0-21swapper/322:05:023
65358199110,10cyclictest0-21swapper/319:30:183
65358199110,0cyclictest0-21swapper/323:00:133
65358199110,0cyclictest0-21swapper/321:15:133
65358199110,0cyclictest0-21swapper/321:10:173
65358199110,0cyclictest0-21swapper/320:10:003
65358199109,0cyclictest0-21swapper/322:37:123
65358199109,0cyclictest0-21swapper/320:35:123
653581991010,0cyclictest0-21swapper/322:35:013
653581991010,0cyclictest0-21swapper/322:06:473
653581991010,0cyclictest0-21swapper/300:35:013
653581991010,0cyclictest0-21swapper/300:10:143
65358199100,9cyclictest0-21swapper/320:25:173
65358199100,9cyclictest0-21swapper/300:20:013
65358199100,0cyclictest0-21swapper/323:20:193
65358199100,0cyclictest0-21swapper/322:10:123
6535819998,1cyclictest0-21swapper/320:20:133
6535819998,0cyclictest0-21swapper/321:50:143
6535819990,8cyclictest0-21swapper/322:30:013
6535819988,0cyclictest0-21swapper/323:30:133
6535819988,0cyclictest0-21swapper/319:15:003
651871281,4sleep30-21swapper/319:05:153
6535819977,0cyclictest0-21swapper/323:27:303
6535819977,0cyclictest0-21swapper/322:58:233
6535819977,0cyclictest0-21swapper/322:46:133
6535819977,0cyclictest0-21swapper/321:43:443
6535819977,0cyclictest0-21swapper/321:05:143
6535819977,0cyclictest0-21swapper/319:50:123
6535819976,0cyclictest0-21swapper/321:30:093
6535819975,1cyclictest0-21swapper/319:40:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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