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2026-04-20 - 02:24
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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 highest latencies:
System rack1slot3.osadl.org (updated Mon Apr 20, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3989652992018,1cyclictest0-21swapper/300:20:013
3989652991413,0cyclictest0-21swapper/322:05:023
3989652991313,0cyclictest0-21swapper/300:25:013
3989652991313,0cyclictest0-21swapper/300:25:013
3989652991312,0cyclictest0-21swapper/319:50:123
3989652991311,1cyclictest0-21swapper/300:30:133
398965299130,12cyclictest0-21swapper/321:45:173
398965299130,11cyclictest0-21swapper/321:40:133
3989652991211,0cyclictest0-21swapper/322:15:123
398965299120,1cyclictest0-21swapper/319:55:143
398965299120,11cyclictest0-21swapper/321:10:123
398965299120,11cyclictest0-21swapper/321:05:123
398965299120,11cyclictest0-21swapper/320:00:123
398965299120,11cyclictest0-21swapper/319:35:113
398965299120,11cyclictest0-21swapper/319:25:143
3989652991111,0cyclictest0-21swapper/321:00:003
3989652991111,0cyclictest0-21swapper/319:15:113
3989652991111,0cyclictest0-21swapper/300:35:143
3989652991110,0cyclictest0-21swapper/320:25:133
398965299110,9cyclictest0-21swapper/319:20:123
398965299110,10cyclictest0-21swapper/323:30:023
398965299110,10cyclictest0-21swapper/322:55:123
398965299110,10cyclictest0-21swapper/322:30:143
398965299109,0cyclictest0-21swapper/321:55:133
398965299109,0cyclictest0-21swapper/320:35:133
3989652991010,0cyclictest0-21swapper/323:55:123
3989652991010,0cyclictest0-21swapper/323:09:233
3989652991010,0cyclictest0-21swapper/321:27:033
3989652991010,0cyclictest0-21swapper/320:45:183
3989652991010,0cyclictest0-21swapper/320:20:153
3989652991010,0cyclictest0-21swapper/320:15:013
3989652991010,0cyclictest0-21swapper/319:45:103
3989652991010,0cyclictest0-21swapper/300:25:213
3989652991010,0cyclictest0-21swapper/300:10:193
398965299100,10cyclictest0-21swapper/319:30:013
398965299100,10cyclictest0-21swapper/300:05:013
398965299100,0cyclictest0-21swapper/322:25:013
398965299100,0cyclictest0-21swapper/320:50:183
398965299100,0cyclictest0-21swapper/320:15:193
39896529999,0cyclictest0-21swapper/323:40:163
39896529999,0cyclictest0-21swapper/320:40:183
39896529998,0cyclictest0-21swapper/323:30:153
39896529998,0cyclictest0-21swapper/322:40:523
39896529997,1cyclictest0-21swapper/322:00:123
39896529990,8cyclictest0-21swapper/323:20:013
39896529990,8cyclictest0-21swapper/323:10:193
39896529990,8cyclictest0-21swapper/322:50:133
39896529990,8cyclictest0-21swapper/322:45:183
39896529990,8cyclictest0-21swapper/321:15:123
39896529988,0cyclictest0-21swapper/323:20:133
39896529988,0cyclictest0-21swapper/322:35:033
39896529988,0cyclictest0-21swapper/322:15:003
39896529980,0cyclictest0-21swapper/321:30:123
3988376281,4sleep30-21swapper/319:05:153
39896529977,0cyclictest0-21swapper/323:00:183
39896529977,0cyclictest0-21swapper/321:35:143
39896529977,0cyclictest0-21swapper/321:20:153
39896529977,0cyclictest0-21swapper/320:30:163
39896529977,0cyclictest0-21swapper/319:10:033
39896529976,0cyclictest0-21swapper/323:45:033
39896529966,0cyclictest0-21swapper/323:50:193
39896529966,0cyclictest0-21swapper/322:30:013
39896529965,0cyclictest0-21swapper/320:05:133
39896529965,0cyclictest0-21swapper/300:05:213
3989264260,4sleep2766-21snmpd19:06:352
4043248250,2sleep04043288-21/usr/sbin/munin21:25:130
39896529955,0cyclictest0-21swapper/323:35:543
39896529955,0cyclictest0-21swapper/321:50:353
39896529955,0cyclictest0-21swapper/321:00:353
39896529955,0cyclictest0-21swapper/319:40:023
4079872240,2sleep04080028-21mailstats22:50:180
3989460242,1sleep10-21swapper/119:09:061
4098766230,2sleep24098890-21sort23:35:192
4087439230,1sleep04087440-21munin-node23:10:120
3989168231,1sleep00-21swapper/019:05:200
4122103220,1sleep24122208-21tr00:30:192
4116365222,0sleep04108115-21kworker/0:2+events00:17:200
4103697220,0sleep00-21swapper/023:48:220
4075359220,1sleep24075430-21/usr/sbin/munin22:40:162
4073062220,1sleep24073240-21sed22:35:162
4069199220,1sleep24069374-21python322:25:192
4065991220,1sleep20-21swapper/222:19:352
4064864220,0sleep10-21swapper/122:15:171
4060666220,1sleep04060814-21grep22:05:160
4056582220,1sleep14056880-21awk21:55:211
4049364220,1sleep20-21swapper/221:40:132
4027913220,1sleep24028062-21ntp_states20:45:172
4026030220,1sleep24026159-21ntpq20:40:162
4014417220,1sleep24014591-21cat20:10:192
4006326220,1sleep04006410-21irqstats19:50:150
3999891220,1sleep23999925-21munin-run19:35:012
3999025220,1sleep00-21swapper/019:30:190
4124842210,1sleep00-21swapper/000:36:090
4124097210,0sleep20-21swapper/200:35:192
4123451210,0sleep10-21swapper/100:35:141
4121811210,0sleep00-21swapper/000:30:180
4121369210,0sleep10-21swapper/100:30:141
4120700210,1sleep00-21swapper/000:28:410
4119484210,0sleep20-21swapper/200:25:182
4118771210,0sleep10-21swapper/100:25:011
4118695210,0sleep10-21swapper/100:24:221
4118695210,0sleep10-21swapper/100:24:211
4117989210,0sleep00-21swapper/000:20:210
4117989210,0sleep00-21swapper/000:20:200
4116724210,0sleep20-21swapper/200:20:032
4116724210,0sleep20-21swapper/200:20:022
4115353210,0sleep10-21swapper/100:15:171
4114582210,0sleep20-21swapper/200:15:022
4114542210,0sleep10-21swapper/100:14:411
4113195210,0sleep00-21swapper/000:10:160
4112814210,0sleep20-21swapper/200:10:142
4111478210,1sleep00-21swapper/000:05:190
4110159210,0sleep20-21swapper/200:05:022
4109822210,1sleep20-21swapper/200:02:012
4108524210,0sleep10-21swapper/100:00:161
4107260210,0sleep10-21swapper/123:55:211
4106219210,0sleep20-21swapper/223:55:132
4105678210,0sleep20-21swapper/223:52:282
4105656210,0sleep10-21swapper/123:52:151
4104322210,0sleep00-21swapper/023:50:140
4102486210,0sleep10-21swapper/123:45:151
4102054210,0sleep24102082-21apt-get23:45:122
4101445210,0sleep10-21swapper/123:41:521
4099698210,0sleep00-21swapper/023:40:020
4099364210,0sleep10-21swapper/123:37:021
4097298210,0sleep00-21swapper/023:32:090
4096213210,0sleep10-21swapper/123:30:141
4095787210,0sleep20-21swapper/223:30:112
4095298210,0sleep20-21swapper/223:27:562
4093780210,0sleep10-21swapper/123:25:141
4093709210,0sleep00-21swapper/023:25:130
4093211210,0sleep20-21swapper/223:22:512
4092961210,1sleep00-21swapper/023:20:360
4091633210,0sleep10-21swapper/123:20:131
4091056210,0sleep20-21swapper/223:17:222
4090280210,0sleep00-21swapper/023:15:170
4089266210,0sleep10-21swapper/123:15:021
4088842210,0sleep20-21swapper/223:11:142
4088057210,0sleep10-21swapper/123:10:171
4086328210,0sleep00-21swapper/023:05:190
4085389210,0sleep20-21swapper/223:05:132
4085360210,0sleep10-21swapper/123:05:121
4084252210,0sleep10-21swapper/123:00:211
4082789210,0sleep10-21swapper/122:58:081
4082521210,1sleep24069929-21kworker/u16:1+rpciod22:55:452
4081543210,0sleep00-21swapper/022:55:150
4080544210,0sleep20-21swapper/222:51:412
4080029210,0sleep10-21swapper/122:50:191
4077012210,0sleep20-21swapper/222:45:132
4076994210,0sleep10-21swapper/122:45:031
4076993210,1sleep00-21swapper/022:45:020
4076302210,1sleep00-21swapper/022:40:580
4074918210,0sleep10-21swapper/122:40:071
4074369210,0sleep10-21swapper/122:39:521
4072719210,0sleep00-21swapper/022:35:150
4071806210,0sleep10-21swapper/122:30:301
4071285210,0sleep20-21swapper/222:30:192
4071039210,0sleep00-21swapper/022:30:170
4069727210,0sleep10-21swapper/122:25:341
4068918210,0sleep00-21swapper/022:25:170
4067699210,0sleep20-21swapper/222:21:042
4066322210,0sleep10-21swapper/122:20:151
4064214210,0sleep04064240-21apt-get22:15:120
4062319210,0sleep20-21swapper/222:10:142
4062175210,0sleep10-21swapper/122:10:131
4062135210,0sleep00-21swapper/022:10:130
4060032210,0sleep20-21swapper/222:05:032
4059537210,0sleep14059551-21apt-get22:05:011
4059439210,0sleep20-21swapper/222:04:102
4057735210,0sleep10-21swapper/122:00:121
4057706210,0sleep00-21swapper/022:00:110
4056881210,0sleep20-21swapper/221:55:212
4055872210,0sleep00-21swapper/021:55:160
4054906210,0sleep14054910-21ssh21:51:041
4054866210,0sleep00-21swapper/021:50:430
4053533210,0sleep20-21swapper/221:50:132
4051879210,0sleep10-21swapper/121:45:151
4051632210,0sleep00-21swapper/021:45:140
4051446210,0sleep20-21swapper/221:45:122
4050813210,0sleep10-21swapper/121:41:401
4049499210,0sleep00-21swapper/021:40:140
4047712210,0sleep20-21swapper/221:35:162
4046965210,0sleep20-21swapper/221:34:402
4045260210,0sleep0328-21plymouthd21:30:140
4044048210,0sleep20-21swapper/221:25:202
4043969210,0sleep10-21swapper/121:25:181
4042609210,0sleep10-21swapper/121:21:301
4042245210,0sleep00-21swapper/021:20:210
4041182210,0sleep20-21swapper/221:20:032
4039577210,0sleep20-21swapper/221:15:152
4039305210,0sleep10-21swapper/121:15:151
4039181210,0sleep00-21swapper/021:15:140
4038788210,1sleep20-21swapper/221:13:502
4037135210,0sleep00-21swapper/021:10:120
4035666210,0sleep00-21swapper/021:05:160
4034711210,0sleep10-21swapper/121:05:011
4034012210,0sleep10-21swapper/121:00:221
4033051210,0sleep20-21swapper/221:00:152
4031915210,0sleep00-21swapper/020:55:190
4031551210,0sleep10-21swapper/120:55:161
4031118210,0sleep20-21swapper/220:55:132
4030212210,0sleep10-21swapper/120:50:201
4029193210,0sleep00-21swapper/020:50:040
4028199210,0sleep00-21swapper/020:45:190
4026315210,0sleep00-21swapper/020:40:180
4024790210,0sleep20-21swapper/220:35:532
4023437210,0sleep00-21swapper/020:35:020
4022629210,0sleep10-21swapper/120:31:031
4020212210,0sleep20-21swapper/220:25:202
4019929210,0sleep00-21swapper/020:25:180
4018903210,0sleep10-21swapper/120:22:581
4017853210,1sleep00-21swapper/020:20:170
4017505210,0sleep20-21swapper/220:20:162
4016999210,0sleep20-21swapper/220:18:192
4015467210,0sleep04015496-21/usr/sbin/munin20:15:130
4014321210,0sleep10-21swapper/120:10:181
4013565210,0sleep00-21swapper/020:10:140
4013300210,0sleep00-21swapper/020:09:570
4011929210,0sleep20-21swapper/220:05:142
4011397210,0sleep10-21swapper/120:05:011
4010501210,0sleep20-21swapper/220:00:182
4009406210,1sleep00-21swapper/019:59:170
4008235210,0sleep10-21swapper/119:55:181
4007804210,0sleep20-21swapper/219:55:152
4005893210,0sleep10-21swapper/119:50:121
4004723210,0sleep10-21swapper/119:45:161
4003981210,0sleep00-21swapper/019:45:110
4003425210,0sleep00-21swapper/019:41:030
4002800210,0sleep20-21swapper/219:40:182
4002071210,0sleep10-21swapper/119:40:121
4000924210,0sleep20-21swapper/219:35:172
4000815210,0sleep10-21swapper/119:35:161
4000634210,0sleep00-21swapper/019:35:150
3998670210,0sleep10-21swapper/119:30:151
3997160210,0sleep10-21swapper/119:25:191
3996301210,0sleep00-21swapper/019:25:020
3994992210,0sleep10-21swapper/119:20:191
3994233210,0sleep00-21swapper/019:20:140
3992634210,0sleep10-21swapper/119:15:151
3992360210,0sleep00-21swapper/019:15:140
3992205210,0sleep20-21swapper/219:15:112
3990798210,0sleep10-21swapper/119:10:181
3990015210,0sleep00-21swapper/019:10:130
3989830210,0sleep23989876-21cut19:10:112
4110662200,0sleep10-21swapper/100:05:041
4108315200,0sleep00-21swapper/000:00:030
4106197200,0sleep00-21swapper/023:55:040
4099957200,0sleep20-21swapper/223:40:052
4097620200,0sleep00-21swapper/023:35:010
4083260200,0sleep00-21swapper/023:00:030
4083003200,0sleep20-21swapper/223:00:022
4066043200,0sleep00-21swapper/022:20:010
4047240200,0sleep10-21swapper/121:35:031
4047239200,0sleep00-21swapper/021:35:020
4045216200,0sleep10-21swapper/121:30:021
4037119200,0sleep10-21swapper/121:10:011
4035206200,0sleep20-21swapper/221:05:022
4033039200,0sleep00-21swapper/021:00:040
4029197200,0sleep20-21swapper/220:50:052
4027285200,0sleep10-21swapper/120:45:041
4025372200,0sleep10-21swapper/120:40:031
4023439200,0sleep10-21swapper/120:35:041
4021265200,0sleep20-21swapper/220:30:042
4021064200,0sleep00-21swapper/020:30:020
4019297200,0sleep10-21swapper/120:25:031
4015450200,0sleep10-21swapper/120:15:021
4009725200,0sleep00-21swapper/020:00:040
4009465200,0sleep10-21swapper/120:00:011
4005645200,0sleep20-21swapper/219:50:012
4003733200,0sleep20-21swapper/219:45:012
3996306200,0sleep20-21swapper/219:25:042
3994130200,0sleep20-21swapper/219:20:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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