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2026-04-03 - 04:22
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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 Apr 03, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491229201,19phc2sys0-21swapper/319:05:593
226942207174,22sleep10-21swapper/119:08:571
223862205171,23sleep20-21swapper/219:05:452
223842201168,22sleep00-21swapper/019:05:430
227762136112,13sleep00-21swapper/019:10:010
2306999651,29cyclictest32003-21timerwakeupswit19:25:252
2306999650,24cyclictest32691-21irqrtprio20:35:172
2306999630,25cyclictest20908-21date23:35:012
2306999630,22cyclictest7771-21cstates19:45:122
23067996028,3cyclictest9-21ksoftirqd/020:15:000
23067995929,4cyclictest9-21ksoftirqd/022:15:260
151992590,2sleep00-21swapper/023:20:240
23067995822,2cyclictest121rcu_preempt19:45:000
139391570,50ptp4l0-21swapper/319:10:023
33832530,3sleep3401ktimersoftd/320:40:253
23067995321,6cyclictest9-21ksoftirqd/021:30:230
45792520,2sleep00-21swapper/000:05:240
23069995232,17cyclictest6464-21cron23:05:012
2306799529,8cyclictest9-21ksoftirqd/000:20:130
23067995221,4cyclictest9-21ksoftirqd/000:00:260
23067995220,4cyclictest9-21ksoftirqd/020:50:210
23067995121,4cyclictest9-21ksoftirqd/023:40:270
23067995118,4cyclictest9-21ksoftirqd/021:00:000
23067995117,2cyclictest121rcu_preempt23:15:000
2306799509,6cyclictest9-21ksoftirqd/023:55:140
23067995016,4cyclictest9-21ksoftirqd/021:20:260
23067995015,4cyclictest9-21ksoftirqd/022:30:240
23067995015,3cyclictest9-21ksoftirqd/021:15:180
23067995015,3cyclictest9-21ksoftirqd/021:10:170
23067995014,4cyclictest9-21ksoftirqd/022:45:270
23067995011,6cyclictest9-21ksoftirqd/020:20:180
106862500,3sleep10-21swapper/123:10:251
23067994922,7cyclictest9-21ksoftirqd/000:15:140
23067994921,4cyclictest9-21ksoftirqd/021:25:270
23067994921,4cyclictest9-21ksoftirqd/019:55:260
23067994914,4cyclictest9-21ksoftirqd/022:35:250
23067994914,4cyclictest9-21ksoftirqd/021:50:270
23067994914,4cyclictest9-21ksoftirqd/020:35:210
23067994913,4cyclictest9-21ksoftirqd/019:15:140
23067994821,3cyclictest9-21ksoftirqd/022:05:140
23067994815,7cyclictest9-21ksoftirqd/022:05:010
23067994814,6cyclictest9-21ksoftirqd/022:55:270
23067994814,6cyclictest9-21ksoftirqd/022:10:260
23067994814,4cyclictest9-21ksoftirqd/022:25:160
23067994814,4cyclictest9-21ksoftirqd/021:05:180
23067994813,7cyclictest9-21ksoftirqd/023:45:170
23067994714,4cyclictest9-21ksoftirqd/020:00:200
23067994713,3cyclictest9-21ksoftirqd/021:55:270
23067994713,3cyclictest9-21ksoftirqd/019:50:170
23067994710,5cyclictest9-21ksoftirqd/023:30:210
2306799469,6cyclictest9-21ksoftirqd/019:20:240
23067994630,2cyclictest9-21ksoftirqd/020:45:000
23067994620,6cyclictest9-21ksoftirqd/023:05:210
23067994618,3cyclictest9-21ksoftirqd/022:20:140
23067994617,3cyclictest9-21ksoftirqd/020:15:120
23067994612,3cyclictest9-21ksoftirqd/023:50:250
2306799457,5cyclictest9-21ksoftirqd/021:00:110
23067994511,4cyclictest9-21ksoftirqd/021:40:150
2306799449,5cyclictest9-21ksoftirqd/020:45:150
2306799448,6cyclictest9-21ksoftirqd/021:35:240
2306799448,5cyclictest9-21ksoftirqd/020:30:180
2306799447,7cyclictest9-21ksoftirqd/000:25:210
2306799447,7cyclictest9-21ksoftirqd/000:25:210
2306799447,5cyclictest9-21ksoftirqd/021:45:220
2306799447,5cyclictest9-21ksoftirqd/000:10:220
2306799446,5cyclictest9-21ksoftirqd/020:05:260
2306799443,3cyclictest121rcu_preempt00:40:000
23067994417,6cyclictest9-21ksoftirqd/023:00:130
23069994338,3cyclictest33-21ksoftirqd/200:30:002
23069994338,3cyclictest33-21ksoftirqd/200:30:002
23067994318,7cyclictest9-21ksoftirqd/023:15:200
23067994311,5cyclictest9-21ksoftirqd/000:35:000
139391430,0ptp4l401ktimersoftd/323:21:213
23068994237,3cyclictest17472-21fschecks_count20:05:161
2306799427,9cyclictest9-21ksoftirqd/023:35:140
23067994213,3cyclictest9-21ksoftirqd/020:25:150
139391420,0ptp4l401ktimersoftd/323:14:473
139391420,0ptp4l401ktimersoftd/321:02:133
23067994113,6cyclictest9-21ksoftirqd/019:35:220
23067994110,10cyclictest9-21ksoftirqd/022:40:140
222712410,1sleep20-21swapper/220:15:132
139391410,0ptp4l401ktimersoftd/322:59:413
23067994036,3cyclictest9-21ksoftirqd/023:25:170
23067994012,2cyclictest121rcu_preempt19:30:040
23067993910,3cyclictest9-21ksoftirqd/019:45:220
23069993731,4cyclictest33-21ksoftirqd/221:07:322
23068993731,4cyclictest25-21ksoftirqd/122:21:241
23068993731,4cyclictest25-21ksoftirqd/121:35:511
23068993730,5cyclictest25-21ksoftirqd/122:25:501
2306799373,2cyclictest121rcu_preempt19:25:250
23070993631,3cyclictest41-21ksoftirqd/323:05:003
23070993631,3cyclictest41-21ksoftirqd/322:00:003
23070993630,4cyclictest41-21ksoftirqd/320:33:083
23070993630,3cyclictest41-21ksoftirqd/320:46:593
23069993630,4cyclictest33-21ksoftirqd/222:12:582
23069993630,4cyclictest33-21ksoftirqd/221:59:072
23069993613,20cyclictest27953-21sed19:20:002
23069993613,20cyclictest26937-21date22:40:012
23068993631,3cyclictest25-21ksoftirqd/121:55:591
23068993630,4cyclictest25-21ksoftirqd/123:18:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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