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2026-05-16 - 14:26
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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 rack1slot3.osadl.org (updated Sat May 16, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3153234991612,0cyclictest0-21swapper/307:35:133
315323499140,12cyclictest0-21swapper/307:30:143
3153234991310,1cyclictest0-21swapper/307:50:133
315323499120,1cyclictest0-21swapper/311:55:123
315323499120,11cyclictest0-21swapper/312:05:133
315323499120,11cyclictest0-21swapper/311:50:183
315323499120,11cyclictest0-21swapper/309:55:113
315323499120,10cyclictest0-21swapper/311:40:133
3153234991111,0cyclictest0-21swapper/308:40:113
3153234991111,0cyclictest0-21swapper/307:40:163
3153234991110,0cyclictest0-21swapper/312:30:133
315323499110,1cyclictest0-21swapper/311:20:133
315323499110,10cyclictest0-21swapper/312:40:013
315323499110,10cyclictest0-21swapper/309:25:113
315323499110,10cyclictest0-21swapper/308:20:113
315323499110,10cyclictest0-21swapper/308:20:013
315323499110,10cyclictest0-21swapper/307:15:133
315323499110,0cyclictest0-21swapper/310:05:203
315323499110,0cyclictest0-21swapper/308:10:133
315323499109,0cyclictest0-21swapper/310:35:133
315323499109,0cyclictest0-21swapper/308:05:133
3153234991010,0cyclictest0-21swapper/312:10:113
3153234991010,0cyclictest0-21swapper/311:08:373
3153234991010,0cyclictest0-21swapper/310:25:163
3153234991010,0cyclictest0-21swapper/309:35:143
3153234991010,0cyclictest0-21swapper/308:25:173
3153234991010,0cyclictest0-21swapper/307:45:143
315323499100,9cyclictest0-21swapper/309:30:173
315323499100,9cyclictest0-21swapper/309:00:013
315323499100,10cyclictest0-21swapper/309:05:213
315323499100,0cyclictest0-21swapper/312:15:183
31532349999,0cyclictest0-21swapper/310:20:013
31532349998,0cyclictest0-21swapper/311:15:123
31532349998,0cyclictest0-21swapper/309:20:123
31532349998,0cyclictest0-21swapper/308:50:133
31532349997,1cyclictest0-21swapper/312:00:113
31532349990,8cyclictest0-21swapper/310:20:213
31532349990,8cyclictest0-21swapper/309:40:123
31532349990,0cyclictest0-21swapper/311:30:183
31532349988,0cyclictest0-21swapper/312:20:023
31532349988,0cyclictest0-21swapper/311:27:523
31532349988,0cyclictest0-21swapper/311:10:163
31532349988,0cyclictest0-21swapper/310:00:133
31532349988,0cyclictest0-21swapper/309:10:163
31532349988,0cyclictest0-21swapper/307:15:013
31532349987,0cyclictest0-21swapper/310:55:193
31532349987,0cyclictest0-21swapper/308:00:013
31532349980,0cyclictest0-21swapper/310:30:183
31532349977,0cyclictest0-21swapper/311:45:213
31532349977,0cyclictest0-21swapper/311:00:123
31532349977,0cyclictest0-21swapper/310:45:133
31532349977,0cyclictest0-21swapper/309:50:143
31532349977,0cyclictest0-21swapper/307:25:173
31532349976,0cyclictest0-21swapper/310:12:313
31532349970,6cyclictest0-21swapper/310:50:163
31532349970,6cyclictest0-21swapper/308:45:183
31532349970,6cyclictest0-21swapper/308:45:183
3151854271,4sleep30-21swapper/307:05:163
31532349966,0cyclictest0-21swapper/312:25:133
31532349966,0cyclictest0-21swapper/309:15:193
31532349966,0cyclictest0-21swapper/307:20:193
31532349963,2cyclictest3262165-21chrt11:35:563
3175585250,3sleep03175721-21memory08:05:170
31532349955,0cyclictest0-21swapper/308:30:183
31532349950,5cyclictest0-21swapper/309:00:193
31532349950,4cyclictest0-21swapper/308:35:193
31532349940,3cyclictest3239206-21chrt10:40:493
31532349940,3cyclictest3214795-21chrt09:45:003
31532349940,2cyclictest0-21swapper/308:00:133
3152979242,1sleep20-21swapper/207:08:402
3240730230,1sleep03240901-21python310:45:190
3198362230,1sleep13198388-21apt-get09:05:141
3188787230,1sleep03188813-21apt-get08:40:110
3182027230,2sleep03182232-21ls08:20:180
3153388230,1sleep23153414-21apt-get07:10:122
3151423231,1sleep10-21swapper/107:05:101
3150918231,1sleep00-21swapper/007:05:010
3276285220,1sleep00-21swapper/012:10:160
3273108220,0sleep20-21swapper/212:02:582
3270023220,1sleep13270177-21ntp_states11:55:171
3263401220,1sleep23263604-21strings11:40:172
3259203220,1sleep23259354-21/usr/sbin/munin11:30:152
3248896220,1sleep13249045-21ntp_states11:05:161
3244714220,1sleep23244864-21ntp_states10:55:182
3243778220,0sleep00-21swapper/010:54:280
3236756220,1sleep23237038-21users10:35:212
3230923220,0sleep00-21swapper/010:21:260
3226698220,1sleep00-21swapper/010:11:050
3225744220,1sleep23225826-21irqstats10:10:152
3223230220,0sleep00-21swapper/010:05:130
3208509220,1sleep03208775-21diskstats09:30:140
3199701220,0sleep00-21swapper/009:05:530
3196616220,1sleep23196881-21diskstats09:00:152
3177014220,1sleep00-21swapper/008:10:140
3173743220,2sleep00-21swapper/008:00:170
3172233220,1sleep00-21swapper/007:55:200
3168059220,1sleep23168212-21ntp_states07:45:182
3166373220,1sleep13166532-21switchtime07:40:161
3163587220,1sleep00-21swapper/007:35:150
3286859210,0sleep00-21swapper/012:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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