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2025-04-02 - 06:44
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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 100 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
18612995016,8cyclictest25-21ksoftirqd/119:10:241
18612995014,8cyclictest25-21ksoftirqd/123:30:111
18612995014,8cyclictest25-21ksoftirqd/123:00:221
18612995011,7cyclictest25-21ksoftirqd/123:15:201
18612995011,7cyclictest25-21ksoftirqd/123:15:191
18612995011,11cyclictest25-21ksoftirqd/123:20:151
18612994921,8cyclictest25-21ksoftirqd/120:25:331
18612994920,7cyclictest25-21ksoftirqd/120:00:191
18612994918,7cyclictest25-21ksoftirqd/100:30:191
18612994917,3cyclictest25-21ksoftirqd/121:40:131
18612994915,7cyclictest25-21ksoftirqd/122:20:151
18612994910,2cyclictest25-21ksoftirqd/121:05:281
18612994817,4cyclictest25-21ksoftirqd/100:07:041
18612994817,10cyclictest25-21ksoftirqd/100:00:171
18612994816,8cyclictest25-21ksoftirqd/123:49:591
1861299477,5cyclictest25-21ksoftirqd/119:55:261
1861299477,4cyclictest25-21ksoftirqd/122:15:231
1861299476,3cyclictest25-21ksoftirqd/119:40:151
18612994719,4cyclictest25-21ksoftirqd/120:43:391
18612994719,4cyclictest25-21ksoftirqd/120:43:391
1861299441,3cyclictest25-21ksoftirqd/121:15:161
1861299441,2cyclictest25-21ksoftirqd/121:29:591
1861299433,7cyclictest845-21cron23:30:001
18612994337,3cyclictest25-21ksoftirqd/121:50:011
134991430,0ptp4l401ktimersoftd/300:34:503
1861399420,3cyclictest121rcu_preempt22:55:242
134991420,0ptp4l401ktimersoftd/321:35:143
134991420,0ptp4l401ktimersoftd/321:35:133
134991420,0ptp4l401ktimersoftd/319:35:483
18613994136,3cyclictest33-21ksoftirqd/220:10:012
18613994134,4cyclictest33-21ksoftirqd/220:30:002
18613994130,9cyclictest33-21ksoftirqd/222:40:262
134991410,0ptp4l401ktimersoftd/300:29:203
1861399400,7cyclictest364-21dbus-daemon00:07:042
1861299403,2cyclictest25-21ksoftirqd/122:05:551
18612994013,7cyclictest25-21ksoftirqd/122:50:011
18613993928,10cyclictest33-21ksoftirqd/221:50:222
1861299390,6cyclictest25-21ksoftirqd/100:30:001
18611993933,4cyclictest9-21ksoftirqd/000:20:000
134991390,0ptp4l401ktimersoftd/321:20:223
36998380,3rtkit-daemon24300-21grep19:20:170
1861399384,6cyclictest33-21ksoftirqd/222:35:162
18613993834,2cyclictest33-21ksoftirqd/219:54:592
18613993830,4cyclictest33-21ksoftirqd/219:20:132
1861299383,2cyclictest8725-21taskset22:25:281
134991380,0ptp4l401ktimersoftd/322:17:583
134991380,0ptp4l401ktimersoftd/320:43:173
134991380,0ptp4l401ktimersoftd/320:43:173
18614993731,4cyclictest41-21ksoftirqd/323:38:333
18614993731,4cyclictest41-21ksoftirqd/300:02:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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