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2023-12-05 - 16:19
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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 Tue Dec 05, 2023 12:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
713321740,8sleep12102099cyclictest11:15:001
1299911130,4ptp4l401ktimersoftd/307:06:063
129991970,1ptp4l401ktimersoftd/309:48:553
129991960,1ptp4l401ktimersoftd/312:11:093
204712945,14sleep00-21swapper/007:06:430
129991940,1ptp4l401ktimersoftd/311:32:163
64032900,3sleep22102199cyclictest07:45:322
15302810,2sleep20-21swapper/211:00:362
15302810,2sleep20-21swapper/211:00:352
21020998072,4cyclictest25-21ksoftirqd/107:20:201
21021997671,3cyclictest33-21ksoftirqd/209:55:202
21021997670,4cyclictest33-21ksoftirqd/210:20:192
21021997669,5cyclictest33-21ksoftirqd/209:00:172
21021997669,4cyclictest33-21ksoftirqd/210:10:182
21021997568,4cyclictest33-21ksoftirqd/211:50:182
205302754,11sleep20-21swapper/207:07:302
21021997466,4cyclictest33-21ksoftirqd/209:40:212
21021997266,4cyclictest33-21ksoftirqd/209:30:172
129991690,2ptp4l391rcuc/312:29:513
21021996761,3cyclictest33-21ksoftirqd/211:25:202
21021996759,4cyclictest33-21ksoftirqd/212:30:192
21021996659,4cyclictest33-21ksoftirqd/208:05:212
21021996659,4cyclictest33-21ksoftirqd/207:15:192
21021996558,4cyclictest33-21ksoftirqd/208:15:202
129991640,1ptp4l401ktimersoftd/312:37:343
21021996355,4cyclictest33-21ksoftirqd/207:22:162
21021996355,4cyclictest33-21ksoftirqd/207:10:202
21022996248,9cyclictest41-21ksoftirqd/310:25:183
21021996256,4cyclictest33-21ksoftirqd/208:35:202
129991600,2ptp4l401ktimersoftd/312:08:223
129991600,1ptp4l401ktimersoftd/311:38:443
21020995847,7cyclictest25-21ksoftirqd/109:45:171
129991580,1ptp4l401ktimersoftd/312:15:403
129991580,1ptp4l401ktimersoftd/309:11:413
129991580,1ptp4l401ktimersoftd/308:02:543
21021995744,10cyclictest33-21ksoftirqd/211:10:282
21021995742,11cyclictest33-21ksoftirqd/210:30:322
129991560,1ptp4l401ktimersoftd/311:52:433
56498550,14rtkit-daemon0-21swapper/008:06:060
319262550,2sleep10-21swapper/109:50:191
21021995547,4cyclictest33-21ksoftirqd/207:50:192
21021995537,15cyclictest33-21ksoftirqd/210:40:352
129991540,1ptp4l401ktimersoftd/309:43:133
21021995345,4cyclictest33-21ksoftirqd/212:20:162
21021995338,11cyclictest33-21ksoftirqd/209:25:392
21019995333,17cyclictest9-21ksoftirqd/010:26:400
21021995247,3cyclictest33-21ksoftirqd/208:10:162
21021995245,4cyclictest33-21ksoftirqd/211:40:202
21021995240,9cyclictest33-21ksoftirqd/212:15:342
21020995237,10cyclictest25-21ksoftirqd/109:05:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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