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2025-12-07 - 16:59
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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 Sun Dec 07, 2025 12:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156262231167,52sleep00-21swapper/007:06:570
158402205172,22sleep30-21swapper/307:09:473
157102205172,22sleep20-21swapper/207:08:042
155352202168,23sleep10-21swapper/107:05:471
3196021510,8sleep11616399cyclictest12:10:221
1484221240,1sleep20-21swapper/209:20:222
16164998033,4cyclictest33-21ksoftirqd/210:40:002
16164997230,10cyclictest33-21ksoftirqd/207:54:592
16165997133,9cyclictest41-21ksoftirqd/312:20:003
16164997026,9cyclictest33-21ksoftirqd/208:55:002
136991700,0ptp4l391rcuc/312:35:263
1616399671,25cyclictest16117-21date11:40:011
16165996633,3cyclictest41-21ksoftirqd/310:49:593
1616399650,24cyclictest20809-21date07:20:001
16165996424,11cyclictest41-21ksoftirqd/310:20:003
1616399630,25cyclictest3458-21df_abs10:05:171
16165996227,8cyclictest41-21ksoftirqd/309:40:263
16165996129,7cyclictest41-21ksoftirqd/310:35:173
16165996129,4cyclictest41-21ksoftirqd/309:38:133
16165996128,3cyclictest41-21ksoftirqd/308:40:013
16164996126,9cyclictest33-21ksoftirqd/211:40:222
16164996126,7cyclictest33-21ksoftirqd/210:20:202
16164996112,4cyclictest33-21ksoftirqd/210:15:252
16165996029,4cyclictest41-21ksoftirqd/309:00:133
16165996029,4cyclictest41-21ksoftirqd/307:49:213
16165996029,3cyclictest41-21ksoftirqd/311:55:223
16165996029,3cyclictest41-21ksoftirqd/311:55:223
16165996029,3cyclictest41-21ksoftirqd/308:50:193
16165996028,7cyclictest41-21ksoftirqd/308:15:003
16165996027,7cyclictest41-21ksoftirqd/307:45:003
16165996027,4cyclictest41-21ksoftirqd/312:25:153
16165996027,4cyclictest41-21ksoftirqd/308:20:243
16165996024,4cyclictest41-21ksoftirqd/307:55:003
16164996029,9cyclictest33-21ksoftirqd/212:10:232
16164996027,9cyclictest33-21ksoftirqd/211:20:292
16164996020,9cyclictest33-21ksoftirqd/212:30:002
16163996012,21cyclictest6197-21kworker/1:211:10:071
1616599595,8cyclictest41-21ksoftirqd/308:00:003
16165995931,4cyclictest41-21ksoftirqd/308:49:463
16165995931,3cyclictest41-21ksoftirqd/312:30:263
16165995930,3cyclictest41-21ksoftirqd/308:15:163
16165995927,9cyclictest41-21ksoftirqd/308:25:313
16165995927,4cyclictest41-21ksoftirqd/312:10:153
16165995927,4cyclictest41-21ksoftirqd/311:15:253
16165995926,4cyclictest41-21ksoftirqd/309:45:283
16165995924,4cyclictest41-21ksoftirqd/308:00:163
16164995930,4cyclictest33-21ksoftirqd/210:00:222
16164995926,4cyclictest33-21ksoftirqd/208:20:012
16164995925,8cyclictest33-21ksoftirqd/207:30:012
16165995830,4cyclictest41-21ksoftirqd/311:40:183
16165995828,3cyclictest41-21ksoftirqd/311:50:233
16165995828,3cyclictest41-21ksoftirqd/311:45:153
16165995827,4cyclictest41-21ksoftirqd/307:15:213
1616499584,8cyclictest33-21ksoftirqd/208:40:002
16164995830,3cyclictest33-21ksoftirqd/210:25:272
16164995825,10cyclictest33-21ksoftirqd/209:50:262
1616399580,6cyclictest0-21swapper/108:45:221
16165995730,4cyclictest41-21ksoftirqd/307:30:253
16165995728,4cyclictest41-21ksoftirqd/312:20:253
16165995725,9cyclictest41-21ksoftirqd/310:30:133
16165995725,4cyclictest41-21ksoftirqd/308:40:273
16165995721,8cyclictest41-21ksoftirqd/310:55:203
16165995716,7cyclictest41-21ksoftirqd/308:30:253
16164995727,9cyclictest33-21ksoftirqd/209:15:232
16164995725,4cyclictest33-21ksoftirqd/210:00:012
16164995725,3cyclictest33-21ksoftirqd/210:40:222
16164995724,9cyclictest33-21ksoftirqd/211:05:282
16164995717,9cyclictest33-21ksoftirqd/211:32:582
16165995628,10cyclictest41-21ksoftirqd/310:20:163
16165995626,4cyclictest41-21ksoftirqd/311:30:253
16165995626,4cyclictest41-21ksoftirqd/311:05:003
16165995626,4cyclictest41-21ksoftirqd/310:50:363
16165995625,3cyclictest41-21ksoftirqd/312:00:153
16165995624,4cyclictest41-21ksoftirqd/307:35:143
16164995626,9cyclictest33-21ksoftirqd/212:00:292
16164995626,9cyclictest33-21ksoftirqd/210:55:012
16164995626,8cyclictest33-21ksoftirqd/210:10:162
16164995626,4cyclictest33-21ksoftirqd/207:30:202
16164995625,8cyclictest33-21ksoftirqd/208:55:142
16164995624,9cyclictest33-21ksoftirqd/212:15:252
16164995623,8cyclictest33-21ksoftirqd/209:00:132
16164995623,8cyclictest33-21ksoftirqd/207:35:212
16164995623,7cyclictest33-21ksoftirqd/207:20:252
16164995623,11cyclictest33-21ksoftirqd/211:35:302
16164995622,8cyclictest33-21ksoftirqd/208:25:162
16164995621,4cyclictest33-21ksoftirqd/207:46:582
16165995525,4cyclictest41-21ksoftirqd/309:30:013
16165995525,3cyclictest41-21ksoftirqd/309:10:163
16165995523,10cyclictest41-21ksoftirqd/310:25:233
16165995522,9cyclictest41-21ksoftirqd/311:15:023
16165995521,4cyclictest41-21ksoftirqd/309:30:233
16164995530,4cyclictest33-21ksoftirqd/209:35:132
16164995526,3cyclictest33-21ksoftirqd/209:40:212
16164995525,9cyclictest33-21ksoftirqd/207:14:592
16164995525,8cyclictest33-21ksoftirqd/211:15:142
16164995523,9cyclictest33-21ksoftirqd/207:15:182
16164995523,8cyclictest33-21ksoftirqd/212:40:012
16164995523,10cyclictest33-21ksoftirqd/211:25:172
16164995521,7cyclictest33-21ksoftirqd/208:10:282
16165995425,4cyclictest41-21ksoftirqd/311:25:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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