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2026-06-11 - 18:14
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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 Thu Jun 11, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
282637699130,12cyclictest0-21swapper/308:15:113
282637699130,11cyclictest0-21swapper/312:05:123
2826376991211,0cyclictest0-21swapper/311:20:003
282637699120,1cyclictest0-21swapper/310:40:143
282637699120,1cyclictest0-21swapper/308:40:123
282637699120,11cyclictest0-21swapper/309:30:153
282637699120,11cyclictest0-21swapper/309:15:123
282637699120,0cyclictest0-21swapper/311:55:103
2826376991111,0cyclictest0-21swapper/308:50:123
2826376991110,1cyclictest0-21swapper/311:45:113
2826376991110,0cyclictest0-21swapper/311:15:013
282637699110,10cyclictest0-21swapper/312:10:173
282637699110,10cyclictest0-21swapper/311:30:013
282637699110,10cyclictest0-21swapper/309:40:113
282637699110,10cyclictest0-21swapper/309:05:183
282637699110,10cyclictest0-21swapper/308:15:003
282637699110,0cyclictest0-21swapper/312:35:023
282637699110,0cyclictest0-21swapper/310:30:013
282637699110,0cyclictest0-21swapper/308:05:113
282637699110,0cyclictest0-21swapper/307:20:173
282637699109,0cyclictest0-21swapper/311:50:113
282637699109,0cyclictest0-21swapper/311:30:123
2826376991010,0cyclictest0-21swapper/311:20:113
2826376991010,0cyclictest0-21swapper/310:45:183
2826376991010,0cyclictest0-21swapper/309:47:193
2826376991010,0cyclictest0-21swapper/307:35:113
282637699100,10cyclictest0-21swapper/310:59:563
282637699100,10cyclictest0-21swapper/310:15:143
282637699100,0cyclictest0-21swapper/311:35:133
282637699100,0cyclictest0-21swapper/311:05:183
282637699100,0cyclictest0-21swapper/307:40:193
28263769999,0cyclictest0-21swapper/312:35:153
28263769999,0cyclictest0-21swapper/310:50:133
28263769999,0cyclictest0-21swapper/310:30:173
28263769999,0cyclictest0-21swapper/310:05:013
28263769999,0cyclictest0-21swapper/309:00:123
28263769999,0cyclictest0-21swapper/309:00:003
28263769999,0cyclictest0-21swapper/308:45:143
28263769999,0cyclictest0-21swapper/308:40:003
28263769999,0cyclictest0-21swapper/307:55:193
28263769999,0cyclictest0-21swapper/307:10:123
28263769990,9cyclictest0-21swapper/311:05:013
28263769988,0cyclictest0-21swapper/312:20:123
28263769988,0cyclictest0-21swapper/309:55:113
28263769988,0cyclictest0-21swapper/309:35:013
28263769988,0cyclictest0-21swapper/309:30:013
28263769987,1cyclictest0-21swapper/311:40:113
28263769987,0cyclictest0-21swapper/307:33:443
28263769980,7cyclictest0-21swapper/310:10:013
28263769980,7cyclictest0-21swapper/309:50:123
2826070281,5sleep30-21swapper/307:08:013
28263769977,0cyclictest0-21swapper/310:36:043
28263769977,0cyclictest0-21swapper/307:45:113
28263769977,0cyclictest0-21swapper/307:15:193
28263769977,0cyclictest0-21swapper/307:15:193
28263769970,0cyclictest0-21swapper/307:50:203
28263769966,0cyclictest0-21swapper/310:20:173
28263769966,0cyclictest0-21swapper/309:20:223
28263769966,0cyclictest0-21swapper/309:10:153
28263769966,0cyclictest0-21swapper/308:30:213
28263769966,0cyclictest0-21swapper/308:25:133
28263769955,0cyclictest0-21swapper/307:25:103
28263769954,0cyclictest0-21swapper/310:10:243
28263769954,0cyclictest0-21swapper/308:00:123
2836693240,3sleep12836991-21/usr/sbin/munin07:35:131
28263769944,0cyclictest0-21swapper/312:25:163
28263769940,3cyclictest2952438-21chrt12:15:563
28263769940,3cyclictest0-21swapper/308:20:133
28263769940,2cyclictest0-21swapper/312:00:133
2826101242,1sleep20-21swapper/207:08:242
2825929242,1sleep10-21swapper/107:06:111
2960313230,2sleep02960466-21find12:35:190
2957339230,2sleep12957389-21cut12:30:121
2923422230,1sleep02923439-21apt-get11:10:010
2916894230,1sleep12916905-21apt-get10:55:011
2910906230,1sleep22910932-21apt-get10:40:142
2906837230,2sleep22907123-21expr10:30:132
2884120230,2sleep22884259-21awk09:35:172
2883500230,1sleep12883526-21apt-get09:35:121
2849146231,1sleep02849282-21threads08:05:180
2848243230,1sleep12848269-21apt-get08:05:111
2824931231,1sleep00-21swapper/007:05:140
2946961220,1sleep02947123-21grep12:05:130
2946127220,1sleep12944823-21/usr/sbin/munin12:00:221
2944820220,1sleep00-21swapper/012:00:130
2942701220,0sleep00-21swapper/011:55:040
2942465220,1sleep12942468-21cron11:55:011
2928618220,1sleep12928789-21missed_timers11:20:151
2919512220,1sleep00-21swapper/011:00:130
2916779220,0sleep20-21swapper/210:54:012
2912983220,1sleep02913043-21/usr/sbin/munin10:45:120
2910086220,0sleep20-21swapper/210:35:212
2906199220,1sleep20-21swapper/210:30:012
2898258220,1sleep00-21swapper/010:10:140
2897431220,0sleep00-21swapper/010:06:170
2891583220,1sleep02891597-21munin-run09:55:010
2883925220,1sleep00-21swapper/009:35:150
2873423220,1sleep22873507-21ssh09:10:122
2863173220,0sleep00-21swapper/008:42:590
2860177220,1sleep02860264-21kernelversion08:35:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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