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2023-09-23 - 22:32
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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 rackcslot1.osadl.org (updated Sat Sep 23, 2023 12:48:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29369210495,6sleep60-21swapper/607:07:548
390799930,89rtkit-daemon0-21swapper/507:08:057
22492900,2sleep90-21swapper/912:35:0111
316662890,1sleep00-21swapper/008:04:420
2938428780,5sleep80-21swapper/807:08:0710
2945728276,4sleep10-21swapper/107:09:121
2933227670,4sleep100-21swapper/1007:07:212
309382740,1sleep111341ktimersoftd/1109:35:173
2929527164,5sleep00-21swapper/007:06:480
39512690,0sleep100-21swapper/1009:05:022
2933826862,4sleep30-21swapper/307:07:275
2921726054,4sleep20-21swapper/207:05:374
21232590,0sleep20-21swapper/210:15:014
2947825852,4sleep90-21swapper/907:09:3311
2945425852,4sleep110-21swapper/1107:09:113
2935425045,3sleep40-21swapper/407:07:406
2937024337,4sleep70-21swapper/707:07:559
3005399285,16cyclictest0-21swapper/710:30:029
3005399226,11cyclictest0-21swapper/707:55:019
3005399225,13cyclictest0-21swapper/709:15:019
3005399224,13cyclictest0-21swapper/709:30:029
3005399224,12cyclictest0-21swapper/709:10:019
3005199224,12cyclictest0-21swapper/609:45:018
3000299224,13cyclictest0-21swapper/110:55:021
3000299221,15cyclictest0-21swapper/112:00:021
3005399219,7cyclictest906-21snmpd07:15:009
3005199214,12cyclictest0-21swapper/610:10:018
3001899213,13cyclictest0-21swapper/308:29:545
3001099212,13cyclictest0-21swapper/209:15:014
2999899214,12cyclictest0-21swapper/010:30:020
3007599201,17cyclictest0-21swapper/1112:10:013
3006599201,18cyclictest0-21swapper/908:23:1211
3005399204,14cyclictest0-21swapper/712:25:019
3005399203,12cyclictest0-21swapper/710:55:029
3005199204,11cyclictest0-21swapper/612:15:028
2999899204,11cyclictest0-21swapper/010:45:010
3006599194,14cyclictest0-21swapper/910:15:0211
3005399193,12cyclictest0-21swapper/708:10:019
3005199195,9cyclictest94-21rcuop/711:30:018
3005199193,11cyclictest0-21swapper/610:00:028
3005199193,11cyclictest0-21swapper/610:00:018
3005199193,10cyclictest0-21swapper/607:30:018
3004499195,11cyclictest0-21swapper/508:05:017
3002399193,12cyclictest0-21swapper/410:20:016
3001899191,15cyclictest0-21swapper/309:11:485
3000299194,11cyclictest0-21swapper/108:00:001
2999899193,11cyclictest0-21swapper/009:00:020
3007599180,17cyclictest0-21swapper/1110:47:553
3006999183,10cyclictest0-21swapper/1007:20:002
3006599184,12cyclictest0-21swapper/908:15:0111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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