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2026-06-06 - 15:08
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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 Jun 06, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
387587599130,11cyclictest0-21swapper/309:30:123
387587599130,11cyclictest0-21swapper/308:25:133
387587599130,10cyclictest0-21swapper/307:15:013
387587599125,5cyclictest0-21swapper/312:20:103
3875875991210,1cyclictest0-21swapper/311:35:113
387587599120,1cyclictest0-21swapper/311:25:133
387587599120,11cyclictest0-21swapper/312:10:173
387587599120,11cyclictest0-21swapper/310:55:133
387587599120,11cyclictest0-21swapper/309:50:173
387587599120,11cyclictest0-21swapper/309:10:113
387587599120,11cyclictest0-21swapper/308:40:013
387587599120,11cyclictest0-21swapper/308:10:123
387587599120,10cyclictest0-21swapper/310:25:123
3875875991110,0cyclictest0-21swapper/308:15:123
3875875991110,0cyclictest0-21swapper/308:05:203
3875875991110,0cyclictest0-21swapper/307:50:103
387587599110,10cyclictest0-21swapper/312:05:013
387587599110,0cyclictest0-21swapper/311:10:123
387587599110,0cyclictest0-21swapper/309:55:133
3875875991010,0cyclictest0-21swapper/311:55:133
3875875991010,0cyclictest0-21swapper/310:10:123
3875875991010,0cyclictest0-21swapper/308:45:133
3875875991010,0cyclictest0-21swapper/308:20:133
3875875991010,0cyclictest0-21swapper/307:20:123
387587599100,9cyclictest0-21swapper/312:10:013
387587599100,9cyclictest0-21swapper/311:05:173
387587599100,9cyclictest0-21swapper/310:42:383
387587599100,0cyclictest0-21swapper/311:50:173
387587599100,0cyclictest0-21swapper/310:40:013
38758759999,0cyclictest0-21swapper/311:30:343
38758759999,0cyclictest0-21swapper/311:23:383
38758759999,0cyclictest0-21swapper/309:20:133
38758759999,0cyclictest0-21swapper/308:50:113
38758759999,0cyclictest0-21swapper/307:55:163
38758759999,0cyclictest0-21swapper/307:39:553
38758759998,0cyclictest0-21swapper/312:15:203
38758759998,0cyclictest0-21swapper/310:30:133
38758759998,0cyclictest0-21swapper/309:46:183
38758759990,8cyclictest0-21swapper/311:45:123
38758759990,8cyclictest0-21swapper/310:00:123
38758759988,0cyclictest0-21swapper/311:15:013
38758759988,0cyclictest0-21swapper/310:55:013
38758759988,0cyclictest0-21swapper/310:17:003
38758759988,0cyclictest0-21swapper/309:36:303
38758759988,0cyclictest0-21swapper/308:55:113
38758759988,0cyclictest0-21swapper/308:55:113
38758759988,0cyclictest0-21swapper/308:30:113
38758759988,0cyclictest0-21swapper/308:00:203
38758759988,0cyclictest0-21swapper/307:40:123
38758759986,2cyclictest0-21swapper/307:15:003
38758759982,1cyclictest0-21swapper/311:40:123
38758759977,0cyclictest0-21swapper/311:00:183
38758759977,0cyclictest0-21swapper/310:20:143
38758759976,1cyclictest0-21swapper/307:25:133
38758759976,0cyclictest0-21swapper/309:00:173
3874928271,4sleep30-21swapper/307:05:193
38758759966,0cyclictest0-21swapper/312:30:023
38758759966,0cyclictest0-21swapper/310:45:123
38758759966,0cyclictest0-21swapper/307:30:203
38758759965,0cyclictest0-21swapper/309:15:153
38758759960,5cyclictest0-21swapper/310:05:173
38758759955,0cyclictest0-21swapper/309:40:053
38758759955,0cyclictest0-21swapper/307:45:183
38758759944,0cyclictest0-21swapper/312:38:133
38758759943,1cyclictest0-21swapper/309:25:193
38758759943,0cyclictest0-21swapper/312:25:113
38758759941,2cyclictest0-21swapper/309:05:123
38758759940,2cyclictest0-21swapper/308:40:133
3875398242,1sleep10-21swapper/107:06:021
3874181241,1sleep20-21swapper/207:05:142
4001247230,2sleep04001379-21ps12:15:200
3943884230,1sleep13943910-21apt-get10:00:121
3907314230,2sleep23907412-21aten_r1power_fr08:30:122
3893636230,2sleep13893841-21latency_hist07:55:011
4007926220,1sleep04008058-21ntpq12:30:170
4002316220,1sleep14002819-21gpg-connect-age12:20:011
4001857220,0sleep20-21swapper/212:15:592
3993051220,1sleep13993212-21sed11:55:201
3989571220,1sleep00-21swapper/011:47:580
3979371220,1sleep03979391-21munin-run11:25:010
3968935220,1sleep13968967-21aten_r1power_cu11:00:121
3950596220,1sleep03950749-21memory10:15:160
3943611220,1sleep13943690-21sed10:00:001
3924247220,0sleep00-21swapper/009:10:440
3920473220,2sleep00-21swapper/009:04:560
3903543220,1sleep10-21swapper/108:20:141
3880318220,0sleep20-21swapper/207:20:122
3874037221,0sleep00-21swapper/007:05:040
4011130210,0sleep20-21swapper/212:39:312
4010254210,0sleep10-21swapper/112:35:181
4009462210,0sleep00-21swapper/012:35:130
4008773210,0sleep20-21swapper/212:32:032
4007414210,0sleep10-21swapper/112:30:151
4006867210,0sleep20-21swapper/212:28:392
4006168210,0sleep00-21swapper/012:25:210
4004684210,0sleep10-21swapper/112:25:021
4004426210,0sleep00-21swapper/012:22:440
4003897210,0sleep20-21swapper/212:20:182
4001381210,0sleep10-21swapper/112:15:211
3999930210,0sleep00-21swapper/012:12:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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