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2026-06-08 - 17:53
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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 Mon Jun 08, 2026 12:45:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1315422730,50sleep30-21swapper/307:09:213
1315422730,50sleep30-21swapper/307:09:213
663822350,7sleep26633-21sort07:07:402
663822350,7sleep26633-21sort07:07:402
2801122090,6sleep128012-21rm07:09:351
2801122090,6sleep128012-21rm07:09:351
45182205172,22sleep00-21swapper/007:05:500
45182205172,22sleep00-21swapper/007:05:500
1914521520,5sleep01871399cyclictest08:50:030
1682021500,6sleep01871399cyclictest10:59:120
1682021500,6sleep01871399cyclictest10:59:120
926821440,8sleep01871399cyclictest09:35:160
231022780,2sleep20-21swapper/207:50:162
18714997132,7cyclictest25-21ksoftirqd/107:13:081
139672670,2sleep30-21swapper/307:30:203
77992620,6sleep07736-21sh07:10:560
260612620,3sleep126066-21sh09:05:001
273932610,2sleep30-21swapper/307:12:093
318422580,2sleep00-21swapper/009:15:140
18714995723,8cyclictest25-21ksoftirqd/109:15:001
18714995523,4cyclictest25-21ksoftirqd/110:00:271
18714995523,4cyclictest25-21ksoftirqd/107:20:221
18714995522,8cyclictest25-21ksoftirqd/110:40:011
18714995520,8cyclictest25-21ksoftirqd/110:55:241
18714995520,8cyclictest25-21ksoftirqd/110:55:241
18714995430,4cyclictest25-21ksoftirqd/109:50:171
18714995324,4cyclictest25-21ksoftirqd/108:40:141
18714995322,4cyclictest25-21ksoftirqd/112:25:151
18714995321,8cyclictest25-21ksoftirqd/112:30:161
18714995321,3cyclictest25-21ksoftirqd/107:30:011
18714995313,5cyclictest25-21ksoftirqd/109:15:161
139391530,1ptp4l401ktimersoftd/311:14:173
139391530,1ptp4l401ktimersoftd/310:35:213
18714995226,7cyclictest25-21ksoftirqd/110:25:001
18714995222,4cyclictest25-21ksoftirqd/110:30:001
18714995222,4cyclictest25-21ksoftirqd/110:30:001
18714995221,4cyclictest25-21ksoftirqd/110:30:231
18714995221,3cyclictest25-21ksoftirqd/110:50:001
18714995219,8cyclictest25-21ksoftirqd/107:40:141
18714995219,8cyclictest25-21ksoftirqd/107:40:141
18714995123,7cyclictest25-21ksoftirqd/110:10:271
18714995123,3cyclictest25-21ksoftirqd/110:45:001
18714995122,4cyclictest25-21ksoftirqd/112:36:011
18714995121,7cyclictest25-21ksoftirqd/111:10:121
18714995119,8cyclictest25-21ksoftirqd/107:45:251
18714995118,8cyclictest25-21ksoftirqd/108:10:151
228692500,5sleep222868-21expr07:10:052
18714995018,8cyclictest25-21ksoftirqd/109:20:221
18714995018,4cyclictest25-21ksoftirqd/111:20:151
53012490,2sleep20-21swapper/208:20:172
18714994919,4cyclictest25-21ksoftirqd/108:55:161
18714994919,4cyclictest25-21ksoftirqd/108:55:161
18714994919,3cyclictest25-21ksoftirqd/107:35:131
18714994918,4cyclictest25-21ksoftirqd/112:00:241
18714994918,3cyclictest25-21ksoftirqd/111:00:151
18714994916,4cyclictest25-21ksoftirqd/111:45:171
18714994916,10cyclictest25-21ksoftirqd/111:25:131
18714994915,8cyclictest25-21ksoftirqd/112:20:191
18714994915,7cyclictest25-21ksoftirqd/108:35:161
18714994912,4cyclictest25-21ksoftirqd/109:25:241
18714994912,4cyclictest25-21ksoftirqd/109:25:231
18714994819,4cyclictest25-21ksoftirqd/108:45:201
18714994818,8cyclictest25-21ksoftirqd/111:35:251
18714994817,7cyclictest25-21ksoftirqd/109:40:151
18714994815,11cyclictest25-21ksoftirqd/112:05:281
18714994719,8cyclictest25-21ksoftirqd/109:35:251
18714994717,4cyclictest25-21ksoftirqd/110:05:161
18714994717,4cyclictest25-21ksoftirqd/109:05:011
18714994715,9cyclictest25-21ksoftirqd/108:05:161
18714994715,4cyclictest25-21ksoftirqd/108:20:131
18714994715,11cyclictest25-21ksoftirqd/111:50:181
18714994713,4cyclictest25-21ksoftirqd/108:50:221
18714994713,11cyclictest25-21ksoftirqd/112:15:181
1871499466,8cyclictest25-21ksoftirqd/111:17:331
18714994618,8cyclictest25-21ksoftirqd/107:50:231
18714994611,10cyclictest25-21ksoftirqd/111:10:011
18718994540,3cyclictest9229-21ls08:30:012
18718994540,3cyclictest9229-21ls08:30:002
18714994539,3cyclictest25-21ksoftirqd/108:00:001
18714994532,3cyclictest25-21ksoftirqd/110:00:001
18714994532,3cyclictest25-21ksoftirqd/110:00:001
18714994515,4cyclictest25-21ksoftirqd/109:30:181
1871499447,4cyclictest25-21ksoftirqd/107:30:171
18714994439,3cyclictest25-21ksoftirqd/111:45:001
18714994414,7cyclictest25-21ksoftirqd/109:50:001
18714994414,5cyclictest25-21ksoftirqd/112:10:131
18714994414,4cyclictest25-21ksoftirqd/110:50:211
139391440,0ptp4l401ktimersoftd/310:53:113
18714994338,3cyclictest25-21ksoftirqd/110:20:001
18714994337,3cyclictest25-21ksoftirqd/111:34:591
1871499433,3cyclictest25-21ksoftirqd/107:15:151
1871499432,2cyclictest25-21ksoftirqd/108:25:261
1871499432,2cyclictest25-21ksoftirqd/108:25:261
18714994311,6cyclictest25-21ksoftirqd/111:55:191
139391430,0ptp4l401ktimersoftd/310:26:553
139391430,0ptp4l401ktimersoftd/310:26:553
18714994211,3cyclictest25-21ksoftirqd/108:30:121
139391420,0ptp4l401ktimersoftd/308:33:023
18714994136,3cyclictest25-21ksoftirqd/108:20:001
18714994135,3cyclictest25-21ksoftirqd/108:05:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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