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2026-05-09 - 23:59
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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 Sat May 09, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61042204170,23sleep10-21swapper/107:09:141
138591204170,23phc2sys0-21swapper/307:08:083
58742202169,21sleep20-21swapper/207:06:132
61302195162,22sleep00-21swapper/007:09:330
3133221510,6sleep1646299cyclictest09:05:151
122842750,6sleep212288-21missed_timers10:35:212
6461996329,5cyclictest9-21ksoftirqd/012:39:590
6461996327,8cyclictest9-21ksoftirqd/008:40:240
6461996228,4cyclictest9-21ksoftirqd/011:30:010
6461996227,7cyclictest9-21ksoftirqd/011:45:180
6461996227,4cyclictest9-21ksoftirqd/008:00:260
6461996226,4cyclictest9-21ksoftirqd/011:55:130
6461996225,4cyclictest9-21ksoftirqd/007:45:190
6461996126,4cyclictest9-21ksoftirqd/009:15:260
6461996126,4cyclictest9-21ksoftirqd/007:15:140
6461996027,3cyclictest9-21ksoftirqd/012:30:130
6461996026,5cyclictest9-21ksoftirqd/009:30:010
6461996026,4cyclictest9-21ksoftirqd/010:50:180
6461996026,4cyclictest9-21ksoftirqd/007:30:270
6461996024,9cyclictest9-21ksoftirqd/010:00:150
6461996022,11cyclictest9-21ksoftirqd/012:10:230
6461996021,4cyclictest9-21ksoftirqd/007:10:180
6461995931,4cyclictest9-21ksoftirqd/008:45:260
6461995931,4cyclictest9-21ksoftirqd/008:15:200
6461995928,9cyclictest9-21ksoftirqd/011:00:130
6461995928,10cyclictest9-21ksoftirqd/007:50:230
6461995923,4cyclictest9-21ksoftirqd/010:45:120
6461995824,4cyclictest9-21ksoftirqd/007:20:120
20482580,2sleep10-21swapper/111:20:181
6461995726,5cyclictest9-21ksoftirqd/009:00:010
6461995725,4cyclictest9-21ksoftirqd/012:00:180
6461995725,10cyclictest9-21ksoftirqd/010:35:120
6461995723,3cyclictest9-21ksoftirqd/012:20:210
6461995722,5cyclictest9-21ksoftirqd/008:35:250
6461995625,4cyclictest9-21ksoftirqd/009:55:010
6461995624,6cyclictest9-21ksoftirqd/012:25:010
6461995623,3cyclictest9-21ksoftirqd/010:30:100
6461995619,10cyclictest9-21ksoftirqd/011:50:130
138491560,1ptp4l401ktimersoftd/310:10:153
69622550,6sleep3646499cyclictest09:20:173
6461995524,3cyclictest9-21ksoftirqd/008:10:130
6461995524,3cyclictest9-21ksoftirqd/008:10:120
138491550,1ptp4l401ktimersoftd/311:05:203
6461995426,4cyclictest9-21ksoftirqd/008:20:130
6461995419,6cyclictest9-21ksoftirqd/007:35:130
6461995321,5cyclictest9-21ksoftirqd/011:40:260
6461995320,3cyclictest9-21ksoftirqd/009:05:150
646199524,9cyclictest9-21ksoftirqd/009:55:280
646199523,9cyclictest9-21ksoftirqd/009:35:270
68022510,2sleep10-21swapper/109:20:141
646199516,2cyclictest9-21ksoftirqd/011:15:170
646199516,2cyclictest9-21ksoftirqd/011:15:170
646199515,3cyclictest9-21ksoftirqd/011:40:000
646199515,3cyclictest9-21ksoftirqd/008:25:150
646199511,8cyclictest9-21ksoftirqd/010:40:170
6461995118,8cyclictest9-21ksoftirqd/008:05:150
646199505,6cyclictest7923-21sed11:30:270
646199505,5cyclictest9-21ksoftirqd/009:00:130
646199501,8cyclictest9-21ksoftirqd/011:10:210
646199500,6cyclictest9-21ksoftirqd/009:20:160
77412490,3sleep1646299cyclictest10:25:261
6464994917,6cyclictest41-21ksoftirqd/311:20:013
6464994917,6cyclictest41-21ksoftirqd/311:20:013
646199495,7cyclictest9-21ksoftirqd/008:50:150
646199495,3cyclictest9-21ksoftirqd/010:25:210
646199494,11cyclictest9-21ksoftirqd/009:45:160
6461994932,8cyclictest9-21ksoftirqd/011:05:260
646199490,9cyclictest9-21ksoftirqd/012:05:160
646299481,44cyclictest25986-21sh10:00:011
646199485,6cyclictest29953-21grep10:05:220
646199484,5cyclictest9-21ksoftirqd/009:44:590
646199483,7cyclictest9-21ksoftirqd/007:40:130
6461994828,10cyclictest9-21ksoftirqd/012:15:230
646499473,4cyclictest41-21ksoftirqd/311:25:263
646199464,6cyclictest9-21ksoftirqd/007:25:150
646199464,5cyclictest9-21ksoftirqd/010:15:110
6461994634,3cyclictest9-21ksoftirqd/009:10:140
646199461,5cyclictest9-21ksoftirqd/010:15:000
646199461,4cyclictest9-21ksoftirqd/011:20:170
646499450,42cyclictest28345-21cron12:14:593
646199451,9cyclictest9-21ksoftirqd/009:25:160
646199451,6cyclictest9-21ksoftirqd/010:20:260
6461994435,3cyclictest9-21ksoftirqd/010:55:190
6464994332,9cyclictest41-21ksoftirqd/307:40:203
6464994313,7cyclictest41-21ksoftirqd/309:35:143
646199432,5cyclictest9-21ksoftirqd/008:35:000
50798430,29rtkit-daemon15027-21memory09:35:221
6464994238,2cyclictest41-21ksoftirqd/309:19:593
6464994213,3cyclictest41-21ksoftirqd/311:35:203
646499420,7cyclictest121rcu_preempt07:55:473
646499420,3cyclictest121rcu_preempt07:34:133
646199420,3cyclictest9-21ksoftirqd/007:55:150
138491420,0ptp4l401ktimersoftd/311:45:373
138491420,0ptp4l401ktimersoftd/310:09:483
138491420,0ptp4l401ktimersoftd/309:40:203
646499411,9cyclictest41-21ksoftirqd/309:25:193
6464994112,3cyclictest41-21ksoftirqd/307:50:223
6463994135,4cyclictest8619-21sh08:20:002
6464994035,3cyclictest41-21ksoftirqd/310:55:013
6464994035,3cyclictest41-21ksoftirqd/307:20:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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