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2026-06-24 - 15:47
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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 Wed Jun 24, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
379780599180,17cyclictest0-21swapper/311:50:093
379780599130,12cyclictest0-21swapper/309:30:113
379780599130,11cyclictest0-21swapper/309:25:113
3797805991211,0cyclictest0-21swapper/311:10:113
3797805991211,0cyclictest0-21swapper/308:05:133
379780599120,11cyclictest0-21swapper/312:35:113
379780599120,11cyclictest0-21swapper/310:00:173
379780599120,11cyclictest0-21swapper/309:50:183
379780599120,11cyclictest0-21swapper/307:55:133
379780599120,11cyclictest0-21swapper/307:40:123
3797805991111,0cyclictest0-21swapper/308:10:183
3797805991110,0cyclictest0-21swapper/310:55:153
3797805991110,0cyclictest0-21swapper/307:20:113
379780599110,10cyclictest0-21swapper/309:20:013
379780599110,0cyclictest0-21swapper/311:45:123
379780599110,0cyclictest0-21swapper/309:35:143
379780599110,0cyclictest0-21swapper/309:15:123
379780599110,0cyclictest0-21swapper/309:05:133
379780599110,0cyclictest0-21swapper/307:55:013
379780599110,0cyclictest0-21swapper/307:40:013
379780599109,0cyclictest0-21swapper/308:25:193
379780599109,0cyclictest0-21swapper/307:10:123
3797805991010,0cyclictest0-21swapper/311:30:123
3797805991010,0cyclictest0-21swapper/307:45:113
3797805991010,0cyclictest0-21swapper/307:25:103
3797805991010,0cyclictest0-21swapper/307:15:103
379780599100,9cyclictest0-21swapper/311:05:183
379780599100,0cyclictest0-21swapper/312:00:153
379780599100,0cyclictest0-21swapper/311:25:113
379780599100,0cyclictest0-21swapper/308:45:183
37978059999,0cyclictest0-21swapper/310:40:183
37978059999,0cyclictest0-21swapper/308:35:193
37978059999,0cyclictest0-21swapper/308:20:113
37978059998,0cyclictest0-21swapper/312:20:123
37978059990,0cyclictest0-21swapper/312:30:163
37978059988,0cyclictest0-21swapper/309:45:123
37978059988,0cyclictest0-21swapper/308:30:113
37978059987,0cyclictest0-21swapper/311:20:123
37978059987,0cyclictest0-21swapper/311:15:193
37978059980,7cyclictest0-21swapper/312:15:163
37978059980,7cyclictest0-21swapper/308:40:173
37978059980,7cyclictest0-21swapper/307:30:173
37978059980,0cyclictest0-21swapper/308:55:003
37978059980,0cyclictest0-21swapper/308:05:013
37978059977,0cyclictest0-21swapper/309:57:423
37978059977,0cyclictest0-21swapper/309:57:413
37978059977,0cyclictest0-21swapper/309:45:003
37978059976,0cyclictest0-21swapper/308:15:193
37978059972,4cyclictest0-21swapper/310:05:153
3796448271,4sleep30-21swapper/307:05:153
37978059966,0cyclictest0-21swapper/312:05:193
37978059966,0cyclictest0-21swapper/310:51:483
37978059965,0cyclictest0-21swapper/311:40:193
37978059965,0cyclictest0-21swapper/310:20:123
37978059964,1cyclictest0-21swapper/311:55:123
37978059961,4cyclictest0-21swapper/310:10:163
37978059960,6cyclictest0-21swapper/310:30:013
37978059960,5cyclictest0-21swapper/312:28:373
37978059960,5cyclictest0-21swapper/311:00:193
37978059960,5cyclictest0-21swapper/310:35:173
37978059960,5cyclictest0-21swapper/310:29:203
37978059960,5cyclictest0-21swapper/310:15:153
37978059960,4cyclictest0-21swapper/310:45:113
37978059955,0cyclictest0-21swapper/311:37:263
37978059950,4cyclictest0-21swapper/309:12:103
37978059950,4cyclictest0-21swapper/309:00:163
3925159240,1sleep03925185-21apt-get12:20:110
3870574240,3sleep03870776-21ntp_kernel_pll_10:10:160
3869332240,0sleep00-21swapper/010:05:550
37978059944,0cyclictest0-21swapper/308:55:113
37978059940,3cyclictest0-21swapper/312:10:123
3797505242,1sleep10-21swapper/107:07:521
3797365242,1sleep20-21swapper/207:06:062
3910544230,1sleep23910572-21apt-get11:45:122
3891884230,2sleep13891961-21cat11:00:151
3891452230,1sleep23891478-21apt-get11:00:122
3862492230,1sleep03862663-21python309:50:190
3849383230,1sleep13849409-21apt-get09:20:141
3835497230,1sleep23835523-21apt-get08:45:122
3819650230,1sleep13819714-21munin-run08:05:011
3816051230,1sleep23816077-21apt-get07:55:082
3796536231,1sleep00-21swapper/007:05:150
3924882220,1sleep13924942-21munin-run12:20:011
3920472220,0sleep00-21swapper/012:07:500
3918637220,1sleep20-21swapper/212:05:012
3915153220,1sleep13915288-21latency11:55:161
3910701220,1sleep03910974-21df_inode11:45:140
3897957220,1sleep13897983-21apt-get11:15:131
3889096220,1sleep23889110-21cron10:55:012
3886233220,0sleep10-21swapper/110:45:221
3882308220,1sleep00-21swapper/010:40:010
3878860220,1sleep03879016-21memory10:30:170
3873788220,1sleep13873792-21ssh10:18:331
3867708220,1sleep23867727-21munin-run10:05:012
3867673220,0sleep10-21swapper/110:04:441
3863965220,1sleep03864211-21diskstats09:55:150
3863965220,1sleep03864211-21diskstats09:55:140
3863776220,1sleep23863816-21/usr/sbin/munin09:55:132
3863776220,1sleep23863816-21/usr/sbin/munin09:55:122
3860110220,1sleep23860268-21cat09:45:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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