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2026-07-18 - 15:42
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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 Sat Jul 18, 2026 12:45:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
88302203169,23sleep20-21swapper/207:09:432
85152203170,22sleep10-21swapper/107:05:371
85172202168,23sleep30-21swapper/307:05:383
85192201168,22sleep00-21swapper/007:05:390
835521340,5sleep3915699cyclictest09:20:253
915599770,75cyclictest9120-21kworker/2:209:35:332
9153996028,3cyclictest9-21ksoftirqd/012:25:150
9154995922,6cyclictest25-21ksoftirqd/108:37:401
9154995822,8cyclictest25-21ksoftirqd/110:38:561
9154995623,6cyclictest25-21ksoftirqd/109:05:191
91382560,6sleep341-21ksoftirqd/309:25:103
139391560,0ptp4l401ktimersoftd/310:56:533
9153995521,7cyclictest9-21ksoftirqd/012:00:180
296292550,3sleep10-21swapper/110:05:241
296292550,3sleep10-21swapper/110:05:241
9154995451,2cyclictest231rcuc/109:37:251
9154995451,2cyclictest231rcuc/108:46:421
9154995421,9cyclictest25-21ksoftirqd/111:45:251
9154995421,6cyclictest25-21ksoftirqd/109:21:131
9153995420,4cyclictest9-21ksoftirqd/009:30:000
139391540,1ptp4l401ktimersoftd/309:53:193
9154995350,2cyclictest231rcuc/111:32:491
9154995350,2cyclictest231rcuc/109:10:061
9154995349,2cyclictest231rcuc/109:48:361
9154995349,2cyclictest231rcuc/108:56:291
9154995349,2cyclictest231rcuc/107:10:501
915499534,10cyclictest25-21ksoftirqd/107:20:211
915499534,10cyclictest25-21ksoftirqd/107:20:211
9153995322,3cyclictest9-21ksoftirqd/011:50:250
9153995321,7cyclictest9-21ksoftirqd/010:50:170
9153995321,6cyclictest9-21ksoftirqd/011:15:150
9153995320,7cyclictest9-21ksoftirqd/007:50:000
9154995221,8cyclictest25-21ksoftirqd/108:03:511
915499520,5cyclictest241ktimersoftd/112:20:001
9153995224,3cyclictest9-21ksoftirqd/009:04:580
9153995224,3cyclictest9-21ksoftirqd/008:50:280
9153995223,3cyclictest9-21ksoftirqd/007:55:260
9153995222,4cyclictest9-21ksoftirqd/010:10:280
9153995221,7cyclictest9-21ksoftirqd/009:30:160
915499515,7cyclictest25-21ksoftirqd/111:15:221
9154995122,8cyclictest25-21ksoftirqd/110:41:281
9154995121,7cyclictest25-21ksoftirqd/110:19:391
915499510,5cyclictest25-21ksoftirqd/112:10:291
9153995126,3cyclictest9-21ksoftirqd/009:15:170
9153995124,4cyclictest9-21ksoftirqd/011:00:250
9153995124,4cyclictest9-21ksoftirqd/011:00:250
9153995123,8cyclictest9-21ksoftirqd/011:05:170
9153995120,6cyclictest9-21ksoftirqd/007:20:000
915499506,9cyclictest25-21ksoftirqd/111:30:011
915499506,10cyclictest25-21ksoftirqd/112:25:151
915499504,9cyclictest25-21ksoftirqd/109:50:131
915499504,9cyclictest25-21ksoftirqd/107:40:171
9154995022,4cyclictest25-21ksoftirqd/108:33:031
9154995021,3cyclictest25-21ksoftirqd/108:05:391
9154995020,9cyclictest25-21ksoftirqd/109:33:051
9154995019,7cyclictest25-21ksoftirqd/108:54:551
9154995017,9cyclictest25-21ksoftirqd/110:55:201
915499501,6cyclictest241ktimersoftd/109:20:001
915499501,6cyclictest241ktimersoftd/108:40:151
9153995022,3cyclictest9-21ksoftirqd/011:25:190
9153995020,8cyclictest9-21ksoftirqd/007:25:260
9153995020,6cyclictest9-21ksoftirqd/010:05:000
915399501,4cyclictest2701-21cron10:20:000
9154994920,4cyclictest25-21ksoftirqd/111:09:101
915499491,6cyclictest25-21ksoftirqd/107:25:211
9154994913,8cyclictest25-21ksoftirqd/108:10:131
915499490,5cyclictest241ktimersoftd/107:15:131
915399492,4cyclictest9-21ksoftirqd/012:15:000
9153994921,3cyclictest9-21ksoftirqd/012:35:180
9153994921,3cyclictest9-21ksoftirqd/008:40:010
9153994920,4cyclictest9-21ksoftirqd/009:10:180
9153994919,7cyclictest9-21ksoftirqd/009:40:000
9153994919,4cyclictest9-21ksoftirqd/007:35:000
9153994917,7cyclictest9-21ksoftirqd/009:40:160
9153994917,4cyclictest9-21ksoftirqd/011:45:250
915499486,8cyclictest25-21ksoftirqd/107:55:171
915499485,7cyclictest25-21ksoftirqd/108:20:261
915499485,4cyclictest25-21ksoftirqd/107:50:241
915499484,9cyclictest25-21ksoftirqd/110:20:201
915499484,9cyclictest25-21ksoftirqd/107:45:161
915499482,5cyclictest25-21ksoftirqd/112:20:241
915499481,6cyclictest25-21ksoftirqd/109:55:241
915499480,43cyclictest241ktimersoftd/111:40:261
915499480,11cyclictest25-21ksoftirqd/112:00:151
9153994821,4cyclictest9-21ksoftirqd/010:35:300
9153994819,4cyclictest9-21ksoftirqd/008:05:000
9153994818,6cyclictest9-21ksoftirqd/010:45:270
9153994815,7cyclictest9-21ksoftirqd/010:45:000
9153994814,4cyclictest9-21ksoftirqd/011:40:240
9153994813,7cyclictest9-21ksoftirqd/009:50:160
915499475,9cyclictest25-21ksoftirqd/110:10:141
915499475,9cyclictest25-21ksoftirqd/110:00:151
915499475,8cyclictest25-21ksoftirqd/109:40:141
915499475,10cyclictest25-21ksoftirqd/109:25:131
915499473,8cyclictest25-21ksoftirqd/111:55:181
9154994721,7cyclictest25-21ksoftirqd/111:36:441
9154994718,6cyclictest25-21ksoftirqd/107:30:141
915399472,4cyclictest9-21ksoftirqd/010:35:000
9153994719,4cyclictest9-21ksoftirqd/011:20:240
9153994718,6cyclictest9-21ksoftirqd/008:05:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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