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2026-06-18 - 12:56
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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 376 highest latencies:
System rack1slot3.osadl.org (updated Thu Jun 18, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3845985991411,2cyclictest3973498-21taskset00:20:123
384598599139,3cyclictest0-21swapper/321:20:003
3845985991311,1cyclictest0-21swapper/322:50:123
3845985991211,0cyclictest0-21swapper/322:55:123
384598599120,1cyclictest0-21swapper/300:10:123
384598599120,11cyclictest0-21swapper/323:40:013
384598599120,11cyclictest0-21swapper/322:40:013
384598599120,11cyclictest0-21swapper/322:25:113
384598599120,11cyclictest0-21swapper/321:45:103
384598599120,11cyclictest0-21swapper/320:45:113
384598599120,11cyclictest0-21swapper/320:00:013
384598599120,11cyclictest0-21swapper/319:45:013
384598599120,11cyclictest0-21swapper/319:35:013
384598599120,0cyclictest0-21swapper/319:15:113
384598599115,5cyclictest0-21swapper/300:25:113
3845985991111,0cyclictest0-21swapper/322:10:133
3845985991111,0cyclictest0-21swapper/319:10:123
3845985991110,0cyclictest0-21swapper/321:20:173
384598599110,1cyclictest0-21swapper/320:30:013
384598599110,11cyclictest0-21swapper/319:45:013
384598599110,10cyclictest0-21swapper/323:33:433
384598599110,10cyclictest0-21swapper/322:15:173
384598599110,0cyclictest0-21swapper/323:23:423
384598599110,0cyclictest0-21swapper/322:40:133
384598599110,0cyclictest0-21swapper/322:20:183
384598599110,0cyclictest0-21swapper/321:55:183
384598599110,0cyclictest0-21swapper/321:30:133
384598599110,0cyclictest0-21swapper/320:40:123
384598599110,0cyclictest0-21swapper/300:30:113
384598599109,0cyclictest0-21swapper/300:05:143
384598599109,0cyclictest0-21swapper/300:05:143
3845985991010,0cyclictest0-21swapper/323:55:133
3845985991010,0cyclictest0-21swapper/320:15:103
384598599100,9cyclictest0-21swapper/320:35:013
384598599100,10cyclictest0-21swapper/300:40:013
384598599100,0cyclictest0-21swapper/323:00:113
384598599100,0cyclictest0-21swapper/321:40:163
38459859999,0cyclictest0-21swapper/321:50:163
38459859999,0cyclictest0-21swapper/319:51:163
38459859999,0cyclictest0-21swapper/319:35:113
38459859999,0cyclictest0-21swapper/319:30:013
38459859990,8cyclictest0-21swapper/323:55:013
38459859990,8cyclictest0-21swapper/320:20:183
38459859990,0cyclictest0-21swapper/323:10:193
38459859988,0cyclictest0-21swapper/322:05:123
38459859988,0cyclictest0-21swapper/319:20:133
38459859987,0cyclictest0-21swapper/300:00:153
38459859980,8cyclictest0-21swapper/323:40:163
38459859980,7cyclictest0-21swapper/300:15:173
3844255281,4sleep30-21swapper/319:05:133
38459859977,0cyclictest0-21swapper/323:25:113
38459859977,0cyclictest0-21swapper/323:15:173
38459859977,0cyclictest0-21swapper/320:05:173
38459859970,6cyclictest0-21swapper/323:45:113
38459859970,6cyclictest0-21swapper/321:25:193
38459859970,6cyclictest0-21swapper/320:35:123
38459859970,6cyclictest0-21swapper/320:10:113
38459859966,0cyclictest0-21swapper/322:45:113
38459859965,1cyclictest0-21swapper/321:35:113
38459859960,6cyclictest0-21swapper/321:00:173
38459859955,0cyclictest0-21swapper/320:53:323
38459859954,0cyclictest0-21swapper/321:07:243
38459859950,5cyclictest0-21swapper/320:00:013
38459859950,4cyclictest3943232-21chrt23:05:473
38459859950,4cyclictest0-21swapper/322:30:113
38459859950,0cyclictest0-21swapper/321:10:173
3845628250,1sleep10-21swapper/119:07:111
3911869240,3sleep03912004-21cut21:55:010
3878115240,2sleep23878141-21apt-get20:30:092
3858873240,0sleep20-21swapper/219:40:182
38459859944,0cyclictest0-21swapper/322:02:123
38459859944,0cyclictest0-21swapper/320:55:043
3845501242,1sleep20-21swapper/219:05:322
3962742230,1sleep00-21swapper/023:55:120
3928571230,1sleep23928586-21apt-get22:35:012
3844172231,1sleep00-21swapper/019:05:020
3978609220,1sleep00-21swapper/000:30:190
3974336220,1sleep13974451-21/usr/sbin/munin00:20:191
3964856220,0sleep00-21swapper/000:00:130
3956591220,1sleep13956793-21sort23:40:121
3954146220,1sleep23954164-21munin-run23:35:012
3952833220,1sleep13953010-21needreboot23:30:161
3951856220,0sleep00-21swapper/023:28:150
3939523220,0sleep10-21swapper/123:00:021
3931432220,1sleep00-21swapper/022:40:040
3922566220,0sleep00-21swapper/022:20:060
3921862220,0sleep20-21swapper/222:16:082
3919299220,1sleep23919451-21sort22:10:202
3916305220,1sleep23916330-21apt22:05:112
3908098220,1sleep03908326-21cstates21:45:120
3905808220,1sleep23906055-21/usr/sbin/munin21:40:142
3903712220,1sleep23903959-21diskstats21:35:132
3895150220,2sleep23895152-21sshd21:14:152
3885968220,1sleep23886215-21diskstats20:50:152
3880494220,1sleep03880648-21memory20:35:160
3878271220,1sleep00-21swapper/020:30:110
3875697220,1sleep23875709-21munin-run20:25:012
3981085210,0sleep10-21swapper/100:35:561
3980607210,0sleep20-21swapper/200:35:172
3980333210,0sleep00-21swapper/000:35:150
3978250210,0sleep10-21swapper/100:30:161
3977755210,0sleep20-21swapper/200:30:132
3977328210,0sleep10-21swapper/100:29:361
3976454210,0sleep00-21swapper/000:25:180
3975561210,0sleep20-21swapper/200:25:122
3975050210,0sleep00-21swapper/000:22:500
3973469210,0sleep20-21swapper/200:20:122
3971352210,0sleep20-21swapper/200:15:082
3970848210,0sleep00-21swapper/000:15:010
3970591210,0sleep10-21swapper/100:12:471
3970396210,0sleep00-21swapper/000:11:010
3969013210,0sleep20-21swapper/200:10:112
3967988210,0sleep10-21swapper/100:05:221
3967988210,0sleep10-21swapper/100:05:221
3967847210,0sleep00-21swapper/000:05:210
3967847210,0sleep00-21swapper/000:05:210
3966963210,0sleep20-21swapper/200:05:152
3966963210,0sleep20-21swapper/200:05:152
3966396210,0sleep20-21swapper/200:02:272
3965969210,0sleep10-21swapper/100:00:221
3964301210,0sleep20-21swapper/223:57:392
3963421210,0sleep10-21swapper/123:55:171
3962307210,0sleep10-21swapper/123:53:251
3962202210,0sleep00-21swapper/023:52:280
3960733210,0sleep20-21swapper/223:50:142
3959986210,0sleep00-21swapper/023:46:160
3958944210,0sleep20-21swapper/223:45:142
3956794210,0sleep20-21swapper/223:40:132
3955168210,0sleep20-21swapper/223:35:172
3954876210,0sleep00-21swapper/023:35:150
3954419210,0sleep10-21swapper/123:35:121
3953278210,0sleep00-21swapper/023:30:190
3951433210,0sleep20-21swapper/223:25:212
3950226210,0sleep10-21swapper/123:25:101
3949504210,0sleep20-21swapper/223:20:482
3948582210,0sleep10-21swapper/123:20:151
3948335210,0sleep00-21swapper/023:20:140
3947719210,0sleep20-21swapper/223:18:402
3947084210,0sleep10-21swapper/123:15:191
3946416210,0sleep00-21swapper/023:15:140
3944404210,0sleep20-21swapper/223:10:152
3944325210,0sleep10-21swapper/123:10:151
3944050210,0sleep00-21swapper/023:10:140
3942726210,0sleep20-21swapper/223:05:192
3941941210,0sleep10-21swapper/123:05:141
3941878210,1sleep00-21swapper/023:05:130
3941438210,0sleep00-21swapper/023:03:210
3939796210,0sleep20-21swapper/223:00:112
3938115210,0sleep20-21swapper/222:55:152
3937817210,0sleep10-21swapper/122:55:141
3937719210,0sleep00-21swapper/022:55:130
3936984210,0sleep00-21swapper/022:50:560
3935896210,0sleep20-21swapper/222:50:142
3935702210,0sleep10-21swapper/122:50:131
3935051210,0sleep00-21swapper/022:47:160
3934925210,0sleep10-21swapper/122:46:081
3933894210,0sleep20-21swapper/222:45:142
3932987210,0sleep20-21swapper/222:42:262
3932429210,0sleep10-21swapper/122:40:211
3929113210,0sleep10-21swapper/122:35:121
3929079210,0sleep00-21swapper/022:35:070
3927711210,0sleep00-21swapper/022:30:190
3926741210,0sleep10-21swapper/122:30:121
3926484210,0sleep20-21swapper/222:30:012
3925960210,0sleep20-21swapper/222:25:212
3925275210,0sleep10-21swapper/122:25:161
3925133210,0sleep00-21swapper/022:25:150
3923969210,0sleep20-21swapper/222:21:082
3922843210,0sleep10-21swapper/122:20:151
3921515210,0sleep10-21swapper/122:15:191
3921364210,0sleep00-21swapper/022:15:180
3919935210,0sleep00-21swapper/022:12:300
3918369210,0sleep10-21swapper/122:10:031
3916430210,0sleep00-21swapper/022:05:130
3916295210,0sleep10-21swapper/122:05:051
3915854210,0sleep10-21swapper/122:03:141
3915581210,0sleep20-21swapper/222:00:472
3914412210,0sleep00-21swapper/022:00:130
3913656210,0sleep20-21swapper/221:57:232
3912845210,0sleep00-21swapper/021:55:170
3910593210,0sleep20-21swapper/221:50:142
3910482210,0sleep10-21swapper/121:50:131
3907940210,0sleep20-21swapper/221:45:022
3907447210,0sleep10-21swapper/121:45:011
3906352210,0sleep10-21swapper/121:40:171
3905619210,0sleep00-21swapper/021:40:110
3904998210,0sleep10-21swapper/121:36:571
3903524210,0sleep00-21swapper/021:35:110
3902831210,0sleep10-21swapper/121:30:321
3902128210,0sleep20-21swapper/221:30:172
3900262210,0sleep20-21swapper/221:25:172
3899518210,0sleep10-21swapper/121:25:111
3899016210,0sleep00-21swapper/021:22:430
3897600210,0sleep20-21swapper/221:20:122
3896943210,1sleep00-21swapper/021:16:580
3896316210,0sleep10-21swapper/121:15:191
3896008210,0sleep23896200-21strings21:15:162
3893897210,0sleep10-21swapper/121:10:151
3893738210,0sleep00-21swapper/021:10:140
3892015210,0sleep20-21swapper/221:05:162
3891700210,0sleep00-21swapper/021:05:140
3890052210,0sleep10-21swapper/121:00:141
3889624210,0sleep20-21swapper/221:00:112
3889357210,0sleep00-21swapper/021:00:010
3888155210,0sleep20-21swapper/220:55:152
3888110210,0sleep10-21swapper/120:55:141
3887447210,0sleep00-21swapper/020:55:010
3886502210,0sleep10-21swapper/120:50:181
3885536210,0sleep00-21swapper/020:50:010
3883943210,0sleep00-21swapper/020:45:120
3883771210,0sleep10-21swapper/120:45:011
3883003210,0sleep00-21swapper/020:40:200
3882097210,0sleep20-21swapper/220:40:142
3876382210,0sleep00-21swapper/020:25:150
3875944210,0sleep10-21swapper/120:25:121
3874514210,0sleep10-21swapper/120:20:161
3874453210,0sleep00-21swapper/020:20:150
3873134210,0sleep10-21swapper/120:15:191
3872446210,0sleep00-21swapper/020:15:140
3871472210,1sleep00-21swapper/020:13:300
3870542210,0sleep20-21swapper/220:10:162
3868446210,0sleep00-21swapper/020:05:140
3868053210,0sleep20-21swapper/220:05:122
3868013210,0sleep10-21swapper/120:05:101
3867301210,0sleep20-21swapper/220:00:202
3865836210,0sleep00-21swapper/020:00:020
3864599210,0sleep20-21swapper/219:55:152
3862638210,0sleep20-21swapper/219:50:152
3862259210,0sleep00-21swapper/019:50:130
3861083210,1sleep00-21swapper/019:45:170
3860297210,0sleep20-21swapper/219:45:112
3857858210,0sleep10-21swapper/119:40:011
3856457210,0sleep20-21swapper/219:35:142
3856194210,0sleep00-21swapper/019:35:120
3855948210,0sleep10-21swapper/119:35:011
3854341210,0sleep00-21swapper/019:30:120
3854034210,0sleep20-21swapper/219:30:022
3852429210,0sleep10-21swapper/119:25:121
3852123210,0sleep20-21swapper/219:25:012
3852007210,1sleep00-21swapper/019:23:310
3851470210,0sleep20-21swapper/219:20:212
3849303210,0sleep20-21swapper/219:15:172
3849017210,0sleep00-21swapper/019:15:150
3847443210,0sleep20-21swapper/219:10:202
3846612210,0sleep10-21swapper/119:10:161
3971345200,0sleep10-21swapper/100:15:031
3958566200,0sleep10-21swapper/123:45:051
3956482200,0sleep00-21swapper/023:40:020
3912005200,0sleep10-21swapper/121:55:021
3901498200,0sleep00-21swapper/021:30:030
3899506200,0sleep00-21swapper/021:25:030
3897487200,0sleep10-21swapper/121:20:031
3891523200,0sleep10-21swapper/121:05:031
3883860200,0sleep20-21swapper/220:45:022
3881694200,0sleep10-21swapper/120:40:011
3880021200,0sleep10-21swapper/120:35:051
3879785200,0sleep20-21swapper/220:35:022
3878108200,0sleep10-21swapper/120:30:041
3875935200,0sleep20-21swapper/220:25:052
3871825200,0sleep20-21swapper/220:15:042
3869913200,0sleep10-21swapper/120:10:031
3866091200,0sleep10-21swapper/120:00:031
3864159200,0sleep10-21swapper/119:55:021
3863927200,0sleep00-21swapper/019:55:010
3861999200,0sleep10-21swapper/119:50:021
3859792200,0sleep10-21swapper/119:45:021
3858117200,0sleep00-21swapper/019:40:040
3854273200,0sleep10-21swapper/119:30:051
3852359200,0sleep00-21swapper/019:25:030
3850448200,0sleep10-21swapper/119:20:041
3848514200,0sleep10-21swapper/119:15:041
3846136200,0sleep00-21swapper/019:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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