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2026-06-05 - 14:28
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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 Fri Jun 05, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491234168,23phc2sys0-21swapper/319:05:573
300872203170,22sleep00-21swapper/019:05:340
300932200168,21sleep10-21swapper/119:05:401
300892198165,22sleep20-21swapper/219:05:362
30730997130,4cyclictest33-21ksoftirqd/222:00:282
30730997029,8cyclictest33-21ksoftirqd/223:05:012
30729996812,54cyclictest0-21swapper/122:20:331
139391640,1ptp4l401ktimersoftd/321:25:283
30662610,2sleep20-21swapper/219:20:002
30730996018,8cyclictest33-21ksoftirqd/220:39:372
30730995917,8cyclictest33-21ksoftirqd/223:57:342
117432590,4sleep1241ktimersoftd/119:35:231
30730995819,5cyclictest33-21ksoftirqd/220:05:252
30730995819,4cyclictest33-21ksoftirqd/223:30:192
30730995819,4cyclictest33-21ksoftirqd/222:35:192
30730995729,8cyclictest33-21ksoftirqd/219:45:132
30730995720,9cyclictest33-21ksoftirqd/223:20:262
30730995720,9cyclictest33-21ksoftirqd/220:35:002
30730995719,9cyclictest33-21ksoftirqd/200:10:222
30730995719,8cyclictest33-21ksoftirqd/222:40:122
30730995715,9cyclictest33-21ksoftirqd/223:05:212
30730995619,4cyclictest33-21ksoftirqd/221:45:242
30730995617,9cyclictest33-21ksoftirqd/223:15:262
30730995617,4cyclictest33-21ksoftirqd/222:30:332
30730995617,4cyclictest33-21ksoftirqd/219:35:242
30730995616,8cyclictest33-21ksoftirqd/221:35:232
30730995615,9cyclictest33-21ksoftirqd/223:40:242
30729995614,40cyclictest0-21swapper/100:32:131
139391560,1ptp4l401ktimersoftd/321:02:023
30731995522,4cyclictest41-21ksoftirqd/300:25:283
30730995517,10cyclictest33-21ksoftirqd/220:00:182
30730995516,8cyclictest33-21ksoftirqd/221:41:182
30730995516,4cyclictest33-21ksoftirqd/221:34:592
30730995514,9cyclictest33-21ksoftirqd/223:15:002
30730995424,8cyclictest33-21ksoftirqd/221:00:132
30730995415,4cyclictest33-21ksoftirqd/222:20:222
30730995414,9cyclictest33-21ksoftirqd/222:05:242
30729995416,36cyclictest0-21swapper/119:26:541
30730995322,10cyclictest33-21ksoftirqd/219:50:192
30730995318,9cyclictest33-21ksoftirqd/221:15:132
30730995318,9cyclictest33-21ksoftirqd/221:15:132
30730995317,9cyclictest33-21ksoftirqd/221:50:232
30730995316,4cyclictest33-21ksoftirqd/220:45:222
30731995222,4cyclictest41-21ksoftirqd/320:00:193
139391520,0ptp4l401ktimersoftd/321:11:473
30731995123,3cyclictest41-21ksoftirqd/320:05:213
30731995122,4cyclictest41-21ksoftirqd/320:40:173
30731995122,3cyclictest41-21ksoftirqd/320:20:243
30731995122,3cyclictest41-21ksoftirqd/300:00:223
30730995114,7cyclictest33-21ksoftirqd/219:25:212
30730995110,9cyclictest33-21ksoftirqd/221:20:192
30731995022,4cyclictest41-21ksoftirqd/320:15:153
30731995021,3cyclictest41-21ksoftirqd/322:10:243
30731995020,3cyclictest41-21ksoftirqd/319:55:003
30731995019,6cyclictest41-21ksoftirqd/322:05:133
30730995019,9cyclictest33-21ksoftirqd/220:25:132
30730995017,9cyclictest33-21ksoftirqd/223:25:232
195282500,3sleep00-21swapper/019:54:280
30731994920,3cyclictest41-21ksoftirqd/319:45:133
30731994917,3cyclictest41-21ksoftirqd/319:55:223
3073099497,3cyclictest33-21ksoftirqd/222:15:172
3073099495,10cyclictest33-21ksoftirqd/220:10:172
30730994930,8cyclictest33-21ksoftirqd/200:20:192
3073099492,5cyclictest33-21ksoftirqd/221:05:192
3073099490,5cyclictest33-21ksoftirqd/200:15:142
30731994820,4cyclictest41-21ksoftirqd/320:30:233
30731994820,3cyclictest41-21ksoftirqd/323:50:203
3073099486,3cyclictest33-21ksoftirqd/219:10:262
3073099485,3cyclictest33-21ksoftirqd/221:25:152
3073099484,3cyclictest33-21ksoftirqd/220:40:172
3073099484,3cyclictest33-21ksoftirqd/200:30:232
3073099483,5cyclictest33-21ksoftirqd/223:35:132
3073099482,7cyclictest33-21ksoftirqd/222:55:292
134491480,2getstats0-21swapper/320:35:253
30731994719,3cyclictest41-21ksoftirqd/322:00:263
30731994717,4cyclictest41-21ksoftirqd/321:50:263
30731994715,3cyclictest41-21ksoftirqd/300:15:263
30731994714,3cyclictest41-21ksoftirqd/323:30:193
3073099474,3cyclictest33-21ksoftirqd/222:50:122
3073099473,9cyclictest33-21ksoftirqd/200:05:252
134491470,1getstats0-21swapper/322:15:253
30731994617,3cyclictest41-21ksoftirqd/300:05:203
30731994616,3cyclictest41-21ksoftirqd/321:32:113
30731994616,3cyclictest41-21ksoftirqd/320:45:143
3073099469,9cyclictest33-21ksoftirqd/223:50:252
3073099464,7cyclictest33-21ksoftirqd/221:55:292
30730994640,3cyclictest33-21ksoftirqd/221:00:012
3073099463,7cyclictest33-21ksoftirqd/219:55:242
3073099463,7cyclictest33-21ksoftirqd/200:00:162
3073099463,3cyclictest121rcu_preempt22:10:232
30730994629,2cyclictest33-21ksoftirqd/219:40:282
30730994618,9cyclictest33-21ksoftirqd/221:10:152
30730994614,9cyclictest33-21ksoftirqd/222:45:222
30731994517,3cyclictest41-21ksoftirqd/323:25:183
30731994515,3cyclictest41-21ksoftirqd/322:20:263
3073099458,9cyclictest33-21ksoftirqd/220:15:152
3073099455,4cyclictest33-21ksoftirqd/219:20:212
3073099454,5cyclictest33-21ksoftirqd/200:25:212
30730994529,3cyclictest33-21ksoftirqd/220:50:132
139391450,1ptp4l401ktimersoftd/323:00:383
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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