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2025-12-28 - 13:58
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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 rackdslot1.osadl.org (updated Sun Dec 28, 2025 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1493121520,6sleep31201599cyclictest23:50:263
1201499762,32cyclictest0-21swapper/219:15:202
1201499752,32cyclictest0-21swapper/220:15:202
235092700,6sleep21201499cyclictest21:50:262
1201499700,67cyclictest0-21swapper/200:00:292
12015996922,5cyclictest41-21ksoftirqd/319:44:593
12015996831,9cyclictest41-21ksoftirqd/322:55:193
12014996831,4cyclictest33-21ksoftirqd/221:35:302
1201499682,4cyclictest33-21ksoftirqd/223:40:012
12014996729,4cyclictest33-21ksoftirqd/220:50:192
1201499672,37cyclictest0-21swapper/221:01:212
12014996634,10cyclictest33-21ksoftirqd/219:55:192
12014996633,4cyclictest33-21ksoftirqd/222:54:592
12014996632,7cyclictest33-21ksoftirqd/200:05:152
12014996622,8cyclictest33-21ksoftirqd/221:15:182
1201499661,35cyclictest0-21swapper/222:37:452
12013996619,6cyclictest25-21ksoftirqd/121:35:091
1201599652,33cyclictest0-21swapper/321:05:243
12014996535,6cyclictest33-21ksoftirqd/219:45:182
12014996528,5cyclictest33-21ksoftirqd/220:25:012
12014996528,10cyclictest33-21ksoftirqd/222:15:252
1201499652,34cyclictest0-21swapper/223:05:152
12015996421,5cyclictest41-21ksoftirqd/300:35:293
12015996419,6cyclictest41-21ksoftirqd/320:30:183
12014996433,7cyclictest33-21ksoftirqd/221:50:002
12014996432,7cyclictest33-21ksoftirqd/223:45:282
12014996432,7cyclictest33-21ksoftirqd/200:25:002
12014996424,10cyclictest33-21ksoftirqd/220:14:192
12014996421,9cyclictest33-21ksoftirqd/222:55:202
12013996431,7cyclictest25-21ksoftirqd/122:45:261
12013996421,6cyclictest25-21ksoftirqd/119:45:181
12015996325,7cyclictest41-21ksoftirqd/323:45:153
12015996320,6cyclictest41-21ksoftirqd/321:05:003
12015996317,7cyclictest41-21ksoftirqd/321:30:183
12014996335,4cyclictest33-21ksoftirqd/220:45:152
12014996333,4cyclictest33-21ksoftirqd/220:40:262
12014996332,4cyclictest33-21ksoftirqd/220:25:002
12014996332,3cyclictest33-21ksoftirqd/223:10:222
12014996329,6cyclictest33-21ksoftirqd/221:40:232
12014996329,6cyclictest33-21ksoftirqd/221:30:222
1201499632,33cyclictest0-21swapper/219:50:132
1201499632,33cyclictest0-21swapper/219:40:202
12013996326,7cyclictest25-21ksoftirqd/119:55:001
12013996316,6cyclictest25-21ksoftirqd/122:06:571
12013996316,5cyclictest25-21ksoftirqd/120:15:401
12012996316,7cyclictest9-21ksoftirqd/022:00:290
134491620,29ptp4l41-21ksoftirqd/323:00:593
12015996219,6cyclictest41-21ksoftirqd/300:15:263
12015996216,6cyclictest41-21ksoftirqd/322:15:213
12014996233,7cyclictest33-21ksoftirqd/220:00:292
12014996231,8cyclictest33-21ksoftirqd/223:35:002
12014996229,7cyclictest33-21ksoftirqd/219:20:142
1201499622,32cyclictest0-21swapper/222:10:202
1201499621,31cyclictest0-21swapper/222:20:232
12013996228,7cyclictest25-21ksoftirqd/121:05:261
12013996227,4cyclictest25-21ksoftirqd/120:30:001
6972610,3sleep00-21swapper/000:30:230
12015996123,8cyclictest41-21ksoftirqd/300:25:013
12014996134,8cyclictest33-21ksoftirqd/220:05:252
12014996133,3cyclictest33-21ksoftirqd/223:55:002
12014996132,8cyclictest33-21ksoftirqd/222:05:262
12014996132,7cyclictest33-21ksoftirqd/221:55:242
12014996132,7cyclictest33-21ksoftirqd/221:55:242
12014996132,3cyclictest33-21ksoftirqd/222:25:282
12014996129,8cyclictest33-21ksoftirqd/222:30:212
12014996125,5cyclictest33-21ksoftirqd/219:30:142
12013996115,6cyclictest25-21ksoftirqd/123:54:471
134491600,4ptp4l0-21swapper/323:42:533
12015996020,6cyclictest41-21ksoftirqd/323:55:183
12015996017,6cyclictest41-21ksoftirqd/320:05:003
12014996032,7cyclictest33-21ksoftirqd/221:20:212
12014996032,4cyclictest33-21ksoftirqd/200:15:132
12014996031,7cyclictest33-21ksoftirqd/200:25:192
12014996030,7cyclictest33-21ksoftirqd/220:35:162
12014996030,6cyclictest33-21ksoftirqd/221:05:142
12014996029,5cyclictest33-21ksoftirqd/219:36:122
12014996026,10cyclictest33-21ksoftirqd/221:12:442
1201499602,31cyclictest0-21swapper/222:40:202
12013996031,9cyclictest25-21ksoftirqd/120:30:191
12012996031,8cyclictest9-21ksoftirqd/021:40:230
12012996024,3cyclictest9-21ksoftirqd/021:31:130
12015995926,5cyclictest41-21ksoftirqd/322:10:003
12014995932,6cyclictest33-21ksoftirqd/223:30:002
12014995930,4cyclictest33-21ksoftirqd/200:31:262
12014995929,3cyclictest33-21ksoftirqd/223:40:272
12014995927,9cyclictest33-21ksoftirqd/219:26:172
12014995924,4cyclictest33-21ksoftirqd/223:55:142
1201499592,30cyclictest0-21swapper/223:00:242
1201499591,29cyclictest0-21swapper/221:25:202
12013995917,7cyclictest25-21ksoftirqd/100:04:391
12013995914,4cyclictest25-21ksoftirqd/100:33:481
12012995924,3cyclictest9-21ksoftirqd/022:15:100
12015995820,8cyclictest41-21ksoftirqd/321:45:003
12015995818,6cyclictest41-21ksoftirqd/321:45:183
12014995830,4cyclictest33-21ksoftirqd/200:10:222
12014995826,3cyclictest33-21ksoftirqd/220:58:542
12012995824,4cyclictest9-21ksoftirqd/021:15:270
12015995714,5cyclictest41-21ksoftirqd/319:30:243
12014995727,8cyclictest33-21ksoftirqd/220:33:412
12014995726,6cyclictest33-21ksoftirqd/219:10:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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