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2026-07-25 - 16:26
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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 25, 2026 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491205171,22phc2sys0-21swapper/307:09:273
221182202170,21sleep10-21swapper/107:08:531
219562202169,22sleep00-21swapper/007:06:470
219312202167,24sleep20-21swapper/207:06:292
22507998019,59cyclictest0-21swapper/109:40:331
22507997515,58cyclictest0-21swapper/111:40:341
139391680,1ptp4l391rcuc/310:45:503
139391610,1ptp4l401ktimersoftd/308:25:483
311612590,4sleep331164-21df_abs08:35:163
2250799560,1cyclictest0-21swapper/110:50:331
139391560,1ptp4l401ktimersoftd/310:09:533
22508995525,4cyclictest33-21ksoftirqd/208:20:172
22508995422,4cyclictest33-21ksoftirqd/209:40:262
22508995323,4cyclictest33-21ksoftirqd/211:30:172
22508995323,4cyclictest33-21ksoftirqd/209:40:002
22508995320,4cyclictest33-21ksoftirqd/210:40:012
22508995320,4cyclictest33-21ksoftirqd/210:40:012
2250699510,3cyclictest23471-21runrttasks08:20:060
139391510,1ptp4l391rcuc/307:45:233
22508995018,3cyclictest33-21ksoftirqd/208:35:012
22508995016,7cyclictest33-21ksoftirqd/210:25:272
22508995015,7cyclictest33-21ksoftirqd/207:20:142
2250899498,7cyclictest33-21ksoftirqd/209:05:252
22508994924,21cyclictest33-21ksoftirqd/209:55:012
22508994921,7cyclictest33-21ksoftirqd/209:55:152
22508994921,4cyclictest33-21ksoftirqd/209:45:222
2250899487,8cyclictest33-21ksoftirqd/208:15:182
22508994820,4cyclictest33-21ksoftirqd/210:10:272
22508994819,7cyclictest33-21ksoftirqd/210:50:172
22508994818,4cyclictest33-21ksoftirqd/209:30:222
2250799480,46cyclictest0-21swapper/111:15:231
2250899477,7cyclictest33-21ksoftirqd/209:20:262
2250899477,6cyclictest33-21ksoftirqd/211:20:232
2250899477,6cyclictest33-21ksoftirqd/210:45:192
2250899477,6cyclictest33-21ksoftirqd/208:40:182
22508994718,4cyclictest33-21ksoftirqd/211:40:162
2250899471,7cyclictest33-21ksoftirqd/210:20:012
22508994714,7cyclictest33-21ksoftirqd/207:45:152
22508994714,4cyclictest33-21ksoftirqd/207:35:142
22507994743,2cyclictest8009-21sshd08:55:121
22507994717,28cyclictest0-21swapper/110:15:221
2250799470,45cyclictest0-21swapper/111:25:231
2250899466,6cyclictest33-21ksoftirqd/212:00:252
22508994616,4cyclictest33-21ksoftirqd/207:50:232
22508994616,4cyclictest33-21ksoftirqd/207:50:232
22508994615,3cyclictest33-21ksoftirqd/210:55:142
22508994613,5cyclictest33-21ksoftirqd/209:25:282
2250699463,2cyclictest0-21swapper/011:21:280
2250899456,7cyclictest33-21ksoftirqd/208:35:262
22508994525,3cyclictest33-21ksoftirqd/211:50:292
22508994519,6cyclictest33-21ksoftirqd/211:05:142
22508994516,4cyclictest33-21ksoftirqd/209:00:152
22508994515,4cyclictest33-21ksoftirqd/212:20:242
22508994514,6cyclictest33-21ksoftirqd/211:28:202
22508994514,4cyclictest33-21ksoftirqd/209:15:002
22508994419,6cyclictest33-21ksoftirqd/207:40:172
22508994413,4cyclictest33-21ksoftirqd/212:05:292
22508994413,3cyclictest33-21ksoftirqd/208:10:292
22508994412,6cyclictest33-21ksoftirqd/210:00:152
22508994411,6cyclictest33-21ksoftirqd/207:30:232
22508994411,5cyclictest33-21ksoftirqd/211:55:252
22507994417,25cyclictest0-21swapper/112:35:241
2250799440,42cyclictest0-21swapper/112:05:241
134391440,7getstats2250999cyclictest11:40:313
22508994318,7cyclictest33-21ksoftirqd/208:45:212
22508994318,6cyclictest33-21ksoftirqd/212:10:152
22508994316,3cyclictest33-21ksoftirqd/208:00:172
22508994311,5cyclictest33-21ksoftirqd/210:05:172
139391430,0ptp4l401ktimersoftd/311:15:253
2250899426,5cyclictest33-21ksoftirqd/208:55:182
22508994211,4cyclictest33-21ksoftirqd/211:04:592
139391420,0ptp4l401ktimersoftd/312:10:213
22508994110,4cyclictest33-21ksoftirqd/207:25:142
139391410,0ptp4l401ktimersoftd/307:18:023
2250899409,10cyclictest33-21ksoftirqd/208:05:172
2250899408,5cyclictest33-21ksoftirqd/211:45:152
2250899405,3cyclictest121rcu_preempt11:10:252
2250899405,3cyclictest121rcu_preempt11:10:252
2250899403,6cyclictest33-21ksoftirqd/210:30:262
22508994025,13cyclictest33-21ksoftirqd/212:35:012
2250899401,3cyclictest121rcu_preempt11:35:262
22508994010,9cyclictest33-21ksoftirqd/208:25:252
2250899400,2cyclictest121rcu_preempt10:20:222
2250899398,6cyclictest33-21ksoftirqd/210:40:212
2250899394,7cyclictest33-21ksoftirqd/208:55:002
2250899394,7cyclictest33-21ksoftirqd/208:55:002
22508993930,3cyclictest33-21ksoftirqd/209:20:002
22508993926,11cyclictest33-21ksoftirqd/207:20:012
22507993917,21cyclictest0-21swapper/108:15:231
139391390,1ptp4l401ktimersoftd/311:53:273
2250899389,8cyclictest33-21ksoftirqd/207:15:012
2250899388,4cyclictest33-21ksoftirqd/207:55:152
22506993831,4cyclictest9-21ksoftirqd/007:40:130
22509993732,3cyclictest18191-21cron10:25:013
2250899374,7cyclictest33-21ksoftirqd/212:25:212
22508993731,3cyclictest33-21ksoftirqd/211:15:162
22509993631,3cyclictest41-21ksoftirqd/309:00:003
22509993631,3cyclictest41-21ksoftirqd/307:55:123
22509993630,4cyclictest41-21ksoftirqd/308:40:413
22509993630,4cyclictest41-21ksoftirqd/308:04:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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