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2025-05-02 - 12:53
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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 rackdslot4.osadl.org (updated Fri May 02, 2025 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791243199,34phc2sys0-21swapper/319:06:593
65152233168,22sleep00-21swapper/019:09:520
63822205171,23sleep10-21swapper/119:08:091
62062201167,22sleep20-21swapper/219:05:522
39982680,7sleep1681899cyclictest20:10:141
6820996429,8cyclictest41-21ksoftirqd/323:35:203
6817996228,6cyclictest9-21ksoftirqd/000:40:000
6820996027,10cyclictest41-21ksoftirqd/322:20:223
6817995921,4cyclictest9-21ksoftirqd/020:15:280
6817995720,6cyclictest9-21ksoftirqd/020:35:130
134991570,48ptp4l0-21swapper/319:10:013
231252550,1sleep20-21swapper/200:04:562
6820995428,8cyclictest41-21ksoftirqd/320:50:163
6820995427,10cyclictest41-21ksoftirqd/322:35:163
6820995421,9cyclictest41-21ksoftirqd/319:30:133
6820995324,8cyclictest41-21ksoftirqd/321:30:323
6820995316,7cyclictest41-21ksoftirqd/321:27:333
6820995215,7cyclictest41-21ksoftirqd/319:28:273
6820995127,8cyclictest41-21ksoftirqd/300:10:143
6820995123,9cyclictest41-21ksoftirqd/322:10:123
6820995121,8cyclictest41-21ksoftirqd/320:30:243
6820995115,8cyclictest41-21ksoftirqd/320:41:123
682099497,5cyclictest41-21ksoftirqd/323:25:013
6817994915,5cyclictest9-21ksoftirqd/022:35:250
6820994817,8cyclictest41-21ksoftirqd/321:35:173
6817994828,8cyclictest9-21ksoftirqd/021:15:230
6817994828,8cyclictest9-21ksoftirqd/021:15:230
6820994728,11cyclictest41-21ksoftirqd/323:25:193
6820994716,8cyclictest41-21ksoftirqd/300:28:133
6819994732,12cyclictest33-21ksoftirqd/223:20:002
268332470,2sleep00-21swapper/023:05:200
682099465,4cyclictest41-21ksoftirqd/321:20:153
682099462,5cyclictest41-21ksoftirqd/322:15:233
682099455,4cyclictest41-21ksoftirqd/320:06:343
682099452,6cyclictest41-21ksoftirqd/320:22:183
6820994522,8cyclictest41-21ksoftirqd/320:55:243
6819994538,4cyclictest227-21systemd-journal23:55:002
682099445,7cyclictest41-21ksoftirqd/323:00:153
682099445,6cyclictest41-21ksoftirqd/300:05:263
682099445,10cyclictest41-21ksoftirqd/321:05:273
682099444,6cyclictest41-21ksoftirqd/320:45:283
682099444,6cyclictest41-21ksoftirqd/320:45:283
682099443,5cyclictest41-21ksoftirqd/323:50:273
681799444,5cyclictest2467-21strings23:20:230
682099435,8cyclictest41-21ksoftirqd/322:00:143
682099435,7cyclictest41-21ksoftirqd/320:15:223
682099435,6cyclictest41-21ksoftirqd/300:00:253
682099429,8cyclictest41-21ksoftirqd/300:36:203
682099425,7cyclictest41-21ksoftirqd/322:45:143
682099425,7cyclictest41-21ksoftirqd/322:45:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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