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2024-09-28 - 16:13
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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 rackfslot7.osadl.org (updated Sat Sep 28, 2024 12:46:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3490886996911,39cyclictest50-21ksoftirqd/308:25:163
3490884996710,38cyclictest0-21swapper/110:50:161
3490892995819,18cyclictest3633033-21find11:20:257
3490892995717,19cyclictest3531896-21ntpq08:20:217
3490888995757,0cyclictest0-21swapper/508:40:165
3490892995416,18cyclictest3542203-21expr08:40:137
3490892995414,39cyclictest0-21swapper/708:15:147
3490889995433,20cyclictest761ktimers/609:15:166
3490884995434,19cyclictest3608942-21taskset10:40:071
3490892995314,19cyclictest0-21swapper/711:28:477
3490884995335,18cyclictest3515091-21proc_pri07:50:201
3490892995214,19cyclictest0-21swapper/710:00:137
3490892995214,19cyclictest0-21swapper/708:55:427
3490887995213,19cyclictest0-21swapper/408:40:164
3490887995212,39cyclictest0-21swapper/408:45:154
3490886995213,19cyclictest0-21swapper/309:05:153
3490884995232,19cyclictest3670806-21cat12:30:121
3490892995113,19cyclictest0-21swapper/707:55:097
3490892995111,39cyclictest0-21swapper/712:30:567
3490884995132,18cyclictest3574471-21awk09:35:231
3490884995131,19cyclictest3656626-21aten2.4-expect12:05:111
3490884995111,20cyclictest3643017-21expr11:40:131
3490884995111,20cyclictest3643017-21expr11:40:121
3490886995012,19cyclictest0-21swapper/308:55:423
3490884995032,18cyclictest3507282-21taskset07:36:051
3490884995011,19cyclictest0-21swapper/110:20:181
3490892994911,38cyclictest0-21swapper/711:50:017
3490892994911,38cyclictest0-21swapper/711:50:007
3490892994911,19cyclictest0-21swapper/709:15:157
3490884994912,19cyclictest3673869-21/usr/sbin/munin12:35:131
3490884994911,19cyclictest0-21swapper/107:15:161
3490884994911,19cyclictest0-21swapper/107:15:161
3490883994911,19cyclictest0-21swapper/008:55:420
349089299489,19cyclictest0-21swapper/711:38:177
349089299489,19cyclictest0-21swapper/707:18:477
349089299489,19cyclictest0-21swapper/707:18:467
3490886994810,19cyclictest0-21swapper/310:35:173
349088499489,39cyclictest0-21swapper/110:48:261
349088499488,39cyclictest0-21swapper/108:57:341
3490884994848,0cyclictest0-21swapper/108:29:451
3490884994810,0cyclictest0-21swapper/111:37:461
349089299478,39cyclictest0-21swapper/712:23:247
349089299478,20cyclictest0-21swapper/712:39:537
349089299477,39cyclictest0-21swapper/709:50:157
349088499478,39cyclictest0-21swapper/110:01:021
349088499477,39cyclictest0-21swapper/112:16:191
349088499477,39cyclictest0-21swapper/109:16:141
349088499467,38cyclictest3490881-21cyclictest11:20:001
349088499466,39cyclictest0-21swapper/110:05:071
349089299456,18cyclictest3549691-21munin-run08:55:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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