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2026-07-22 - 23:10
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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 rackdslot3.osadl.org (updated Wed Jul 22, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491227164,51phc2sys0-21swapper/307:07:223
25912204170,22sleep10-21swapper/107:09:021
23912204171,22sleep00-21swapper/007:07:080
26072199165,23sleep20-21swapper/207:09:142
57898920,71rtkit-daemon0-21swapper/307:10:003
123312720,1sleep10-21swapper/112:00:001
139391660,1ptp4l401ktimersoftd/309:43:333
17642650,2sleep10-21swapper/109:20:231
2960996330,6cyclictest9-21ksoftirqd/010:50:000
168802610,2sleep20-21swapper/211:00:172
2960996029,9cyclictest9-21ksoftirqd/010:00:150
2960996028,11cyclictest9-21ksoftirqd/011:25:140
273502590,2sleep10-21swapper/109:05:271
2961995721,5cyclictest25-21ksoftirqd/110:59:061
2961995714,9cyclictest25-21ksoftirqd/111:40:211
2960995733,2cyclictest9-21ksoftirqd/012:30:120
2960995728,10cyclictest9-21ksoftirqd/007:20:130
2960995727,9cyclictest9-21ksoftirqd/011:55:180
139391560,1ptp4l401ktimersoftd/307:56:593
296199555,9cyclictest25-21ksoftirqd/112:15:181
2961995520,3cyclictest25-21ksoftirqd/109:31:311
296099557,8cyclictest9-21ksoftirqd/011:04:590
2960995523,10cyclictest9-21ksoftirqd/010:40:200
296199545,9cyclictest25-21ksoftirqd/110:15:141
2960995424,8cyclictest9-21ksoftirqd/008:25:220
296199535,8cyclictest25-21ksoftirqd/110:50:171
296199535,10cyclictest25-21ksoftirqd/109:39:591
296199533,10cyclictest25-21ksoftirqd/111:20:151
2961995318,6cyclictest25-21ksoftirqd/111:25:141
296099536,8cyclictest9-21ksoftirqd/011:35:000
2960995312,8cyclictest9-21ksoftirqd/008:30:190
296199524,4cyclictest25-21ksoftirqd/108:25:181
296099527,7cyclictest9-21ksoftirqd/012:20:180
296099524,7cyclictest9-21ksoftirqd/009:50:200
296099521,9cyclictest9-21ksoftirqd/007:15:140
2960995218,10cyclictest9-21ksoftirqd/008:00:230
296099521,10cyclictest9-21ksoftirqd/009:35:190
2961995119,4cyclictest25-21ksoftirqd/112:27:201
2961995110,6cyclictest25-21ksoftirqd/112:34:161
296099515,9cyclictest9-21ksoftirqd/007:30:150
296099515,8cyclictest9-21ksoftirqd/009:20:140
296099515,7cyclictest9-21ksoftirqd/007:35:150
296099512,9cyclictest9-21ksoftirqd/009:55:270
2960995122,10cyclictest9-21ksoftirqd/011:20:130
296099510,9cyclictest9-21ksoftirqd/012:00:200
139391510,1ptp4l401ktimersoftd/309:00:153
296199506,8cyclictest25-21ksoftirqd/112:20:251
296099506,7cyclictest9-21ksoftirqd/011:35:130
296099505,9cyclictest9-21ksoftirqd/007:45:130
2960995021,11cyclictest9-21ksoftirqd/007:50:240
2960995019,3cyclictest9-21ksoftirqd/008:05:230
296099501,10cyclictest9-21ksoftirqd/012:30:010
296199496,9cyclictest25-21ksoftirqd/109:50:131
296199495,8cyclictest30933-21cstates09:15:161
296199495,8cyclictest25-21ksoftirqd/110:40:161
296099495,8cyclictest9-21ksoftirqd/009:10:220
296099494,11cyclictest9-21ksoftirqd/012:15:230
2960994931,7cyclictest9-21ksoftirqd/012:35:240
2960994923,10cyclictest9-21ksoftirqd/008:50:010
296099491,9cyclictest9-21ksoftirqd/010:10:210
296099491,10cyclictest9-21ksoftirqd/011:50:230
296099490,9cyclictest9-21ksoftirqd/008:40:000
236882490,1sleep30-21swapper/311:15:133
2961994819,4cyclictest25-21ksoftirqd/107:14:491
296099487,3cyclictest9-21ksoftirqd/008:20:000
296099486,3cyclictest9-21ksoftirqd/009:30:260
296099485,7cyclictest9-21ksoftirqd/012:05:150
2960994837,3cyclictest9-21ksoftirqd/011:15:180
2960994829,11cyclictest9-21ksoftirqd/010:15:130
2960994824,4cyclictest9-21ksoftirqd/010:50:250
2960994822,3cyclictest9-21ksoftirqd/008:40:220
296099481,9cyclictest9-21ksoftirqd/010:20:240
296422470,3sleep3296399cyclictest12:35:133
296199474,10cyclictest25-21ksoftirqd/107:50:001
296199473,8cyclictest25-21ksoftirqd/108:09:281
296199471,6cyclictest241ktimersoftd/109:50:011
296099476,3cyclictest9-21ksoftirqd/011:45:250
296099474,10cyclictest9-21ksoftirqd/007:40:190
296099473,8cyclictest9-21ksoftirqd/010:05:190
296099473,7cyclictest9-21ksoftirqd/009:00:200
296099472,9cyclictest9-21ksoftirqd/009:05:200
296099472,8cyclictest9-21ksoftirqd/010:40:000
296099470,9cyclictest9-21ksoftirqd/011:40:130
296099470,8cyclictest9-21ksoftirqd/012:10:160
296099470,6cyclictest9-21ksoftirqd/011:15:010
296299461,43cyclictest1094-21kworker/2:010:10:142
296199466,2cyclictest25-21ksoftirqd/109:10:191
296199464,7cyclictest25-21ksoftirqd/107:38:481
296199463,8cyclictest25-21ksoftirqd/112:39:541
2961994612,6cyclictest25-21ksoftirqd/110:11:001
296099467,3cyclictest9-21ksoftirqd/007:25:260
296099464,9cyclictest9-21ksoftirqd/008:45:230
296099464,3cyclictest9-21ksoftirqd/009:50:000
2960994636,3cyclictest9-21ksoftirqd/009:15:270
296099462,8cyclictest9-21ksoftirqd/010:35:000
2960994615,10cyclictest9-21ksoftirqd/009:40:180
296099460,5cyclictest23335-21latency_hist09:00:010
296099460,5cyclictest0-21swapper/007:10:170
296199456,9cyclictest25-21ksoftirqd/111:50:201
296199455,7cyclictest25-21ksoftirqd/108:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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