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2026-04-23 - 01:06
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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 Apr 22, 2026 12:46:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491204170,22phc2sys0-21swapper/307:05:023
20502202168,23sleep20-21swapper/207:08:282
18262201168,22sleep10-21swapper/107:05:451
20982199166,22sleep00-21swapper/007:09:070
1018921500,8sleep0246599cyclictest11:55:160
217028163,10sleep20-21swapper/207:10:012
2466996411,51cyclictest0-21swapper/107:11:331
139391610,1ptp4l401ktimersoftd/308:20:583
139391610,1ptp4l401ktimersoftd/308:20:573
139391600,1ptp4l14958-21ls08:40:263
2466995923,7cyclictest25-21ksoftirqd/109:24:351
2466995923,7cyclictest25-21ksoftirqd/109:24:351
2466995922,4cyclictest25-21ksoftirqd/109:30:181
2466995921,4cyclictest25-21ksoftirqd/111:08:451
2466995725,7cyclictest25-21ksoftirqd/110:50:251
2466995725,7cyclictest25-21ksoftirqd/110:50:251
2466995723,8cyclictest25-21ksoftirqd/111:35:011
2466995625,7cyclictest25-21ksoftirqd/107:30:011
2466995624,11cyclictest25-21ksoftirqd/109:25:131
2466995622,6cyclictest25-21ksoftirqd/109:43:321
2466995622,3cyclictest25-21ksoftirqd/107:19:201
139391560,1ptp4l401ktimersoftd/312:22:083
2466995528,7cyclictest25-21ksoftirqd/112:25:001
2466995522,8cyclictest25-21ksoftirqd/107:50:131
2466995522,8cyclictest25-21ksoftirqd/107:50:131
2466995521,7cyclictest25-21ksoftirqd/112:25:271
2466995421,7cyclictest25-21ksoftirqd/111:40:001
2466995421,7cyclictest25-21ksoftirqd/111:00:001
2466995321,7cyclictest25-21ksoftirqd/111:45:221
2466995321,6cyclictest25-21ksoftirqd/110:36:071
2466995221,7cyclictest25-21ksoftirqd/108:15:271
2466995220,3cyclictest25-21ksoftirqd/110:17:461
2468995123,7cyclictest41-21ksoftirqd/311:05:013
2466995122,7cyclictest25-21ksoftirqd/110:00:221
2466995118,4cyclictest25-21ksoftirqd/108:35:001
246699511,5cyclictest25-21ksoftirqd/110:40:191
246899508,10cyclictest41-21ksoftirqd/312:25:133
2468995021,7cyclictest41-21ksoftirqd/310:50:003
2468995017,7cyclictest41-21ksoftirqd/310:25:273
246699505,4cyclictest25-21ksoftirqd/109:35:271
246699505,4cyclictest25-21ksoftirqd/108:10:151
246699504,9cyclictest25-21ksoftirqd/109:05:021
246699504,7cyclictest25-21ksoftirqd/112:35:161
246699504,4cyclictest25-21ksoftirqd/107:40:211
2466995021,5cyclictest25-21ksoftirqd/110:30:121
2466995020,4cyclictest25-21ksoftirqd/110:49:361
2466995019,8cyclictest25-21ksoftirqd/112:05:211
2466995019,6cyclictest25-21ksoftirqd/111:25:001
246699501,8cyclictest25-21ksoftirqd/107:45:161
2468994922,4cyclictest41-21ksoftirqd/307:45:233
2467994941,4cyclictest27619-21dump-pmu-power11:25:002
246699496,4cyclictest25-21ksoftirqd/110:10:221
246699495,9cyclictest25-21ksoftirqd/112:00:011
246699495,8cyclictest25-21ksoftirqd/108:50:151
246699495,8cyclictest25-21ksoftirqd/108:50:141
246699495,4cyclictest25-21ksoftirqd/109:45:221
246699494,8cyclictest25-21ksoftirqd/109:10:211
246699494,4cyclictest25-21ksoftirqd/111:10:191
246699494,4cyclictest25-21ksoftirqd/110:20:171
246699494,4cyclictest25-21ksoftirqd/110:20:161
2466994920,4cyclictest25-21ksoftirqd/110:25:421
155612490,4sleep015566-21irqrtprio07:35:170
2468994818,9cyclictest41-21ksoftirqd/310:00:143
2468994817,3cyclictest41-21ksoftirqd/308:50:123
2468994817,3cyclictest41-21ksoftirqd/308:50:123
2468994813,7cyclictest41-21ksoftirqd/309:10:003
246699486,8cyclictest8329-21sed11:50:181
246699486,8cyclictest25-21ksoftirqd/112:33:141
246699486,10cyclictest25-21ksoftirqd/108:45:191
246699485,4cyclictest25-21ksoftirqd/111:40:221
246699485,4cyclictest25-21ksoftirqd/108:25:211
246699484,8cyclictest25-21ksoftirqd/109:00:151
246699482,6cyclictest25-21ksoftirqd/108:40:171
2466994823,7cyclictest25-21ksoftirqd/108:05:121
2466994818,7cyclictest25-21ksoftirqd/108:39:591
2468994719,7cyclictest41-21ksoftirqd/310:05:143
2468994717,7cyclictest41-21ksoftirqd/309:40:003
2468994716,8cyclictest41-21ksoftirqd/310:15:003
2468994716,4cyclictest41-21ksoftirqd/307:30:013
2468994713,5cyclictest41-21ksoftirqd/310:35:223
246699474,4cyclictest25-21ksoftirqd/112:15:241
246699473,7cyclictest25-21ksoftirqd/109:55:231
246699472,5cyclictest25-21ksoftirqd/107:30:241
2466994714,7cyclictest25-21ksoftirqd/107:55:141
246899468,7cyclictest41-21ksoftirqd/311:45:013
2468994620,7cyclictest41-21ksoftirqd/310:20:133
2468994620,7cyclictest41-21ksoftirqd/310:20:133
2468994614,7cyclictest41-21ksoftirqd/310:50:223
2468994614,7cyclictest41-21ksoftirqd/310:50:223
2468994613,7cyclictest41-21ksoftirqd/310:35:013
2468994613,4cyclictest41-21ksoftirqd/310:15:123
246699465,10cyclictest25-21ksoftirqd/111:15:171
246699464,7cyclictest25-21ksoftirqd/109:50:181
246699464,7cyclictest25-21ksoftirqd/109:50:181
246699463,3cyclictest25-21ksoftirqd/110:05:211
246699460,5cyclictest241ktimersoftd/109:20:001
246899457,8cyclictest41-21ksoftirqd/312:10:003
2468994533,3cyclictest41-21ksoftirqd/309:20:253
2468994533,3cyclictest41-21ksoftirqd/309:20:253
2468994517,4cyclictest41-21ksoftirqd/309:00:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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