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2025-04-02 - 08:25
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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 Wed Apr 02, 2025 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134791230167,51phc2sys0-21swapper/319:07:343
182562202168,23sleep00-21swapper/019:09:120
182272201168,22sleep10-21swapper/119:08:491
180582201167,22sleep20-21swapper/219:06:372
1831928868,11sleep00-21swapper/019:10:010
18612996332,7cyclictest25-21ksoftirqd/121:05:011
301212590,8sleep11861299cyclictest20:45:171
18612995929,8cyclictest25-21ksoftirqd/100:10:181
247602570,7sleep01861199cyclictest23:05:000
18612995727,10cyclictest25-21ksoftirqd/123:10:121
18612995722,7cyclictest25-21ksoftirqd/119:30:171
18612995616,8cyclictest25-21ksoftirqd/119:50:221
134991560,1ptp4l401ktimersoftd/300:13:163
18612995526,7cyclictest25-21ksoftirqd/100:15:211
18612995526,4cyclictest25-21ksoftirqd/120:38:021
18612995520,4cyclictest25-21ksoftirqd/120:55:181
18612995519,4cyclictest25-21ksoftirqd/123:55:221
18612995427,8cyclictest25-21ksoftirqd/123:35:181
18612995426,7cyclictest25-21ksoftirqd/119:24:591
18612995423,3cyclictest25-21ksoftirqd/122:55:231
18612995413,8cyclictest25-21ksoftirqd/120:50:321
18612995326,7cyclictest25-21ksoftirqd/121:50:121
18612995320,8cyclictest25-21ksoftirqd/100:25:011
18612995320,8cyclictest25-21ksoftirqd/100:25:011
18612995320,4cyclictest25-21ksoftirqd/122:15:011
18612995319,7cyclictest25-21ksoftirqd/120:20:221
18612995315,8cyclictest25-21ksoftirqd/123:50:201
18612995314,8cyclictest25-21ksoftirqd/122:35:201
18612995314,7cyclictest25-21ksoftirqd/120:15:181
18612995314,10cyclictest25-21ksoftirqd/119:45:181
18612995314,10cyclictest25-21ksoftirqd/119:45:181
18612995224,9cyclictest25-21ksoftirqd/121:30:261
18612995224,4cyclictest25-21ksoftirqd/120:30:151
18612995219,7cyclictest25-21ksoftirqd/123:40:261
18612995214,8cyclictest25-21ksoftirqd/120:10:151
18612995122,6cyclictest25-21ksoftirqd/123:10:011
18612995121,4cyclictest25-21ksoftirqd/122:00:121
18612995118,5cyclictest25-21ksoftirqd/121:24:591
18612995117,3cyclictest25-21ksoftirqd/121:35:151
18612995117,3cyclictest25-21ksoftirqd/121:35:151
18612995116,7cyclictest25-21ksoftirqd/100:35:151
18612995115,8cyclictest25-21ksoftirqd/122:40:141
18612995115,8cyclictest25-21ksoftirqd/122:30:121
18612995114,8cyclictest25-21ksoftirqd/119:25:211
18612995113,5cyclictest25-21ksoftirqd/119:15:271
18612995112,8cyclictest25-21ksoftirqd/122:50:191
18612995025,7cyclictest25-21ksoftirqd/121:10:231
18612995020,4cyclictest25-21ksoftirqd/120:05:161
18612995017,4cyclictest25-21ksoftirqd/119:35:211
18612995016,8cyclictest25-21ksoftirqd/121:55:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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