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2026-06-01 - 22:44
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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 Mon Jun 01, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
673351991514,0cyclictest0-21swapper/308:00:113
673351991511,3cyclictest0-21swapper/308:35:013
67335199140,13cyclictest0-21swapper/309:55:143
673351991312,0cyclictest0-21swapper/311:55:013
67335199130,12cyclictest713222-21chrt08:50:123
67335199127,4cyclictest0-21swapper/311:00:143
673351991212,0cyclictest0-21swapper/310:25:123
673351991212,0cyclictest0-21swapper/309:00:123
673351991211,0cyclictest0-21swapper/310:45:133
673351991210,1cyclictest0-21swapper/308:45:133
67335199120,11cyclictest0-21swapper/312:00:183
67335199120,11cyclictest0-21swapper/311:40:123
67335199120,11cyclictest0-21swapper/308:25:123
67335199120,11cyclictest0-21swapper/307:45:153
67335199119,1cyclictest0-21swapper/309:15:123
673351991110,0cyclictest0-21swapper/311:30:133
673351991110,0cyclictest0-21swapper/309:25:203
673351991110,0cyclictest0-21swapper/309:05:123
67335199110,8cyclictest0-21swapper/307:20:113
67335199110,10cyclictest0-21swapper/310:55:173
67335199110,0cyclictest0-21swapper/310:05:113
67335199110,0cyclictest0-21swapper/309:30:113
67335199109,0cyclictest0-21swapper/309:45:113
67335199109,0cyclictest0-21swapper/308:40:113
673351991010,0cyclictest0-21swapper/312:35:013
673351991010,0cyclictest0-21swapper/312:15:113
673351991010,0cyclictest0-21swapper/308:10:183
673351991010,0cyclictest0-21swapper/307:39:413
673351991010,0cyclictest0-21swapper/307:10:123
67335199100,0cyclictest0-21swapper/311:09:563
67335199100,0cyclictest0-21swapper/310:40:123
67335199100,0cyclictest0-21swapper/307:40:163
6733519999,0cyclictest0-21swapper/312:37:063
6733519999,0cyclictest0-21swapper/312:25:133
6733519999,0cyclictest0-21swapper/312:05:123
6733519999,0cyclictest0-21swapper/308:55:143
6733519999,0cyclictest0-21swapper/308:10:023
6733519998,0cyclictest0-21swapper/310:50:163
6733519998,0cyclictest0-21swapper/310:15:183
6733519998,0cyclictest0-21swapper/307:55:113
6733519990,9cyclictest0-21swapper/311:59:563
6733519990,8cyclictest0-21swapper/310:10:153
6733519988,0cyclictest0-21swapper/310:03:033
6733519981,1cyclictest0-21swapper/307:15:133
6733519980,0cyclictest0-21swapper/309:40:163
6733519980,0cyclictest0-21swapper/307:30:013
6733519977,0cyclictest0-21swapper/311:35:103
6733519977,0cyclictest0-21swapper/310:30:133
6733519977,0cyclictest0-21swapper/309:50:143
6733519977,0cyclictest0-21swapper/307:35:003
6733519970,7cyclictest0-21swapper/308:15:193
6733519970,0cyclictest0-21swapper/312:20:183
671704270,4sleep30-21swapper/307:05:143
6733519966,0cyclictest0-21swapper/311:10:123
6733519966,0cyclictest0-21swapper/309:35:153
6733519966,0cyclictest0-21swapper/309:20:153
6733519966,0cyclictest0-21swapper/307:50:173
6733519965,0cyclictest0-21swapper/311:45:173
6733519965,0cyclictest0-21swapper/311:25:123
6733519955,0cyclictest0-21swapper/311:20:133
6733519955,0cyclictest0-21swapper/311:15:113
6733519955,0cyclictest0-21swapper/310:20:123
6733519952,2cyclictest701691-21taskset08:20:023
6733519951,2cyclictest0-21swapper/310:35:133
6733519950,4cyclictest0-21swapper/312:10:113
744016240,3sleep0744098-21interrupts10:05:140
6733519944,0cyclictest0-21swapper/309:10:113
6733519943,1cyclictest705514-21chrt08:30:033
673033242,1sleep10-21swapper/107:07:441
672443241,1sleep00-21swapper/007:05:190
671306242,1sleep20-21swapper/207:05:012
711281230,0sleep00-21swapper/008:45:130
694268230,2sleep0694407-21sed08:00:150
679749230,2sleep0679758-21latency_hist07:25:010
809079220,1sleep1809135-21munin-run12:40:011
807247220,0sleep00-21swapper/012:35:120
781135220,2sleep0766-21snmpd11:32:280
779590220,1sleep1779616-21apt-get11:30:131
779111220,0sleep10-21swapper/111:28:011
761078220,1sleep1761257-21fw_packets10:45:141
754027220,0sleep10-21swapper/110:30:011
753688220,0sleep00-21swapper/010:27:000
723354220,1sleep0723428-21irqstats09:15:150
721480220,1sleep1721630-21ntp_states09:10:161
720952220,1sleep2721148-21ssh09:10:132
713193220,1sleep20-21swapper/208:50:122
704411220,1sleep2704583-21python308:25:182
703615220,1sleep0703641-21apt-get08:25:120
686236220,1sleep0686534-21df07:40:140
673515220,1sleep00-21swapper/007:10:120
807405210,0sleep20-21swapper/212:35:142
806595210,0sleep00-21swapper/012:33:480
805570210,0sleep10-21swapper/112:30:171
804387210,0sleep20-21swapper/212:30:022
803948210,0sleep00-21swapper/012:26:070
803534210,0sleep10-21swapper/112:25:201
802305210,0sleep20-21swapper/212:25:012
802255210,0sleep00-21swapper/012:24:350
801824210,0sleep20-21swapper/212:20:452
799820210,0sleep20-21swapper/212:16:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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