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2026-04-29 - 10:51
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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 792 highest latencies:
System rack1slot3.osadl.org (updated Wed Apr 29, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304582499140,12cyclictest0-21swapper/322:55:123
3045824991311,1cyclictest0-21swapper/320:10:123
304582499130,12cyclictest0-21swapper/322:00:183
304582499130,11cyclictest0-21swapper/322:30:133
304582499120,11cyclictest0-21swapper/321:40:193
304582499120,11cyclictest0-21swapper/321:10:183
3045824991111,0cyclictest0-21swapper/321:25:193
304582499110,10cyclictest0-21swapper/322:35:183
304582499110,10cyclictest0-21swapper/319:55:173
304582499110,10cyclictest0-21swapper/300:05:173
304582499110,10cyclictest0-21swapper/300:00:133
304582499110,0cyclictest0-21swapper/323:30:023
304582499110,0cyclictest0-21swapper/323:10:143
304582499110,0cyclictest0-21swapper/322:20:123
304582499110,0cyclictest0-21swapper/321:30:173
304582499110,0cyclictest0-21swapper/320:50:183
304582499110,0cyclictest0-21swapper/319:40:193
304582499110,0cyclictest0-21swapper/319:20:123
304582499110,0cyclictest0-21swapper/300:35:183
304582499110,0cyclictest0-21swapper/300:25:133
304582499109,0cyclictest0-21swapper/321:50:133
304582499109,0cyclictest0-21swapper/320:15:153
3045824991010,0cyclictest0-21swapper/322:52:593
3045824991010,0cyclictest0-21swapper/322:10:193
3045824991010,0cyclictest0-21swapper/320:35:113
3045824991010,0cyclictest0-21swapper/320:05:153
304582499100,9cyclictest0-21swapper/320:05:013
304582499100,9cyclictest0-21swapper/319:15:463
304582499100,8cyclictest0-21swapper/320:45:123
304582499100,0cyclictest0-21swapper/323:30:123
304582499100,0cyclictest0-21swapper/323:00:123
304582499100,0cyclictest0-21swapper/320:25:153
304582499100,0cyclictest0-21swapper/319:35:003
30458249999,0cyclictest0-21swapper/323:59:593
30458249999,0cyclictest0-21swapper/323:15:183
30458249999,0cyclictest0-21swapper/322:20:013
30458249999,0cyclictest0-21swapper/322:00:013
30458249999,0cyclictest0-21swapper/321:45:533
30458249999,0cyclictest0-21swapper/321:15:193
30458249999,0cyclictest0-21swapper/300:20:193
30458249999,0cyclictest0-21swapper/300:10:163
30458249998,0cyclictest0-21swapper/321:40:013
30458249998,0cyclictest0-21swapper/319:45:103
30458249990,8cyclictest0-21swapper/320:25:003
3107596280,5sleep23107622-21apt-get21:45:112
30458249988,0cyclictest0-21swapper/323:43:553
30458249988,0cyclictest0-21swapper/323:20:113
30458249988,0cyclictest0-21swapper/319:50:143
30458249988,0cyclictest0-21swapper/319:25:193
30458249980,7cyclictest0-21swapper/321:20:023
30458249980,0cyclictest0-21swapper/300:35:013
30458249977,0cyclictest0-21swapper/323:45:123
30458249977,0cyclictest0-21swapper/300:15:133
30458249976,0cyclictest0-21swapper/323:50:123
3044812271,4sleep30-21swapper/319:05:183
30458249966,0cyclictest0-21swapper/322:05:133
30458249966,0cyclictest0-21swapper/320:40:253
30458249966,0cyclictest0-21swapper/320:30:183
30458249966,0cyclictest0-21swapper/319:35:133
30458249965,0cyclictest0-21swapper/319:10:143
30458249960,6cyclictest0-21swapper/321:02:553
30458249954,0cyclictest0-21swapper/322:46:113
30458249954,0cyclictest0-21swapper/322:27:523
30458249954,0cyclictest0-21swapper/321:05:143
3045575250,1sleep10-21swapper/119:08:401
3093934240,3sleep13094105-21python321:10:201
30458249943,0cyclictest0-21swapper/322:40:093
30458249943,0cyclictest0-21swapper/322:40:093
30458249940,3cyclictest3154849-21chrt23:35:183
30458249940,3cyclictest3141542-21taskset23:05:123
30458249940,3cyclictest3088951-21chrt20:58:523
3044730241,1sleep20-21swapper/219:05:172
3167196230,1sleep03167345-21ntp_states00:05:180
3148420230,2sleep03148562-21ntpq23:20:150
3109678230,1sleep03109708-21apt-get21:50:140
3057064230,2sleep03057315-21who19:35:210
3044452231,1sleep00-21swapper/019:05:150
3179639220,1sleep10-21swapper/100:35:181
3178552220,0sleep00-21swapper/000:32:310
3172570220,1sleep23172585-21/usr/sbin/munin00:20:012
3165694220,0sleep00-21swapper/000:00:210
3158401220,1sleep23158647-21diskstats23:45:142
3157465220,0sleep20-21swapper/223:40:392
3134634220,1sleep00-21swapper/022:49:090
3117867220,0sleep00-21swapper/022:08:300
3107082220,1sleep03107378-21latency_hist21:45:010
3097175220,1sleep13097200-21apt21:20:121
3085619220,1sleep03085887-21df20:50:130
3079090220,0sleep00-21swapper/020:30:210
3075979220,1sleep23076201-21tr20:25:142
3071795220,1sleep13071863-21cat20:15:001
3067620220,0sleep00-21swapper/020:00:540
3054287220,1sleep13054541-21diskstats19:30:141
3048589220,1sleep20-21swapper/219:15:142
3180497210,0sleep00-21swapper/000:36:210
3178406210,0sleep20-21swapper/200:31:132
3177865210,0sleep10-21swapper/100:30:201
3175358210,0sleep10-21swapper/100:25:161
3175111210,0sleep00-21swapper/000:25:150
3174925210,0sleep20-21swapper/200:25:132
3174502210,0sleep10-21swapper/100:23:321
3173101210,0sleep00-21swapper/000:20:150
3172843210,0sleep20-21swapper/200:20:142
3170811210,0sleep00-21swapper/000:15:140
3169625210,0sleep20-21swapper/200:10:202
3168729210,0sleep03168916-21sort00:10:150
3168009210,0sleep20-21swapper/200:06:322
3167987210,0sleep10-21swapper/100:06:191
3163869210,0sleep20-21swapper/223:57:032
3163746210,0sleep10-21swapper/123:55:591
3163703210,0sleep00-21swapper/023:55:340
3161892210,0sleep10-21swapper/123:52:581
3161771210,0sleep20-21swapper/223:51:552
3161598210,0sleep00-21swapper/023:50:210
3158932210,0sleep10-21swapper/123:45:171
3158731210,0sleep00-21swapper/023:45:160
3156369210,0sleep00-21swapper/023:40:160
3155719210,0sleep00-21swapper/023:38:480
3154091210,0sleep20-21swapper/223:35:142
3153232210,0sleep10-21swapper/123:30:201
3152384210,0sleep00-21swapper/023:30:160
3151690210,0sleep20-21swapper/223:30:012
3151576210,0sleep00-21swapper/023:28:590
3151478210,0sleep20-21swapper/223:28:092
3149459210,0sleep20-21swapper/223:23:412
3147904210,0sleep10-21swapper/123:20:121
3147028210,0sleep10-21swapper/123:15:481
3146476210,0sleep03146653-21smartctl23:15:190
3145662210,0sleep20-21swapper/223:15:042
3144364210,0sleep10-21swapper/123:10:191
3144214210,0sleep00-21swapper/023:10:180
3143583210,0sleep20-21swapper/223:10:042
3143275210,0sleep00-21swapper/023:09:260
3141513210,0sleep20-21swapper/223:05:122
3140756210,0sleep10-21swapper/123:00:321
3139874210,0sleep20-21swapper/223:00:172
3139496210,0sleep00-21swapper/023:00:140
3138683210,0sleep20-21swapper/222:55:472
3137486210,0sleep10-21swapper/122:55:141
3136820210,0sleep00-21swapper/022:55:010
3136473210,0sleep10-21swapper/122:51:581
3136458210,0sleep20-21swapper/222:51:512
3136382210,0sleep00-21swapper/022:51:100
3134239210,0sleep20-21swapper/222:45:392
3132653210,0sleep10-21swapper/122:45:021
3131763210,0sleep00-21swapper/022:40:210
3131763210,0sleep00-21swapper/022:40:200
3131496210,0sleep20-21swapper/222:40:182
3131496210,0sleep20-21swapper/222:40:182
3130826210,0sleep10-21swapper/122:40:141
3130826210,0sleep10-21swapper/122:40:131
3129826210,0sleep00-21swapper/022:35:200
3129341210,0sleep10-21swapper/122:35:171
3128842210,0sleep20-21swapper/222:35:142
3128346210,0sleep10-21swapper/122:33:571
3128018210,1sleep00-21swapper/022:31:000
3126385210,0sleep20-21swapper/222:30:022
3126171210,0sleep0328-21plymouthd22:28:070
3124103210,0sleep00-21swapper/022:23:150
3123798210,0sleep10-21swapper/122:20:321
3121447210,0sleep20-21swapper/222:15:212
3120494210,0sleep00-21swapper/022:15:160
3120361210,0sleep10-21swapper/122:15:091
3120118210,0sleep20-21swapper/222:15:012
3118731210,0sleep10-21swapper/122:10:151
3118527210,0sleep00-21swapper/022:10:140
3117639210,0sleep20-21swapper/222:06:282
3114650210,0sleep20-21swapper/222:00:172
3114383210,0sleep00-21swapper/022:00:140
3113794210,0sleep20-21swapper/221:59:322
3113434210,1sleep00-21swapper/021:56:210
3112174210,0sleep10-21swapper/121:55:141
3111451210,0sleep10-21swapper/121:54:341
3108382210,0sleep00-21swapper/021:45:170
3107380210,0sleep10-21swapper/121:45:021
3106924210,0sleep10-21swapper/121:43:381
3105382210,0sleep20-21swapper/221:40:142
3103989210,0sleep13104161-21smartctl21:35:181
3103911210,0sleep00-21swapper/021:35:160
3103628210,0sleep20-21swapper/221:35:152
3101166210,0sleep10-21swapper/121:30:131
3101161210,0sleep00-21swapper/021:30:120
3099603210,0sleep00-21swapper/021:25:160
3099184210,0sleep10-21swapper/121:25:131
3098952210,0sleep20-21swapper/221:25:022
3098108210,0sleep00-21swapper/021:20:190
3097202210,0sleep20-21swapper/221:20:142
3096452210,0sleep00-21swapper/021:15:230
3095948210,0sleep10-21swapper/121:15:201
3094896210,0sleep20-21swapper/221:15:012
3094588210,0sleep00-21swapper/021:11:520
3093571210,0sleep20-21swapper/221:10:172
3092525210,1sleep00-21swapper/021:05:260
3092111210,0sleep10-21swapper/121:05:191
3091670210,0sleep20-21swapper/221:05:162
3090757210,1sleep00-21swapper/021:02:140
3089749210,0sleep10-21swapper/121:00:151
3088688210,0sleep10-21swapper/120:55:321
3087379210,0sleep00-21swapper/020:55:140
3085465210,0sleep23085491-21apt-get20:50:112
3084407210,0sleep20-21swapper/220:45:192
3081639210,0sleep20-21swapper/220:40:082
3081377210,0sleep00-21swapper/020:40:010
3080507210,0sleep10-21swapper/120:35:171
3078557210,0sleep10-21swapper/120:30:171
3078065210,0sleep20-21swapper/220:30:142
3077467210,0sleep00-21swapper/020:28:560
3075641210,0sleep10-21swapper/120:25:011
3075331210,0sleep20-21swapper/220:21:022
3073709210,0sleep10-21swapper/120:20:011
3070564210,0sleep00-21swapper/020:10:150
3070161210,0sleep20-21swapper/220:10:132
3068656210,0sleep00-21swapper/020:05:160
3068220210,0sleep10-21swapper/120:05:121
3066274210,0sleep13066300-21apt-get20:00:111
3065317210,0sleep10-21swapper/119:55:191
3064859210,0sleep20-21swapper/219:55:162
3064528210,0sleep00-21swapper/019:55:140
3061520210,0sleep20-21swapper/219:45:192
3061188210,0sleep00-21swapper/019:45:170
3060221210,0sleep10-21swapper/119:45:101
3059930210,1sleep00-21swapper/019:44:250
3057412210,0sleep20-21swapper/219:35:522
3056024210,0sleep10-21swapper/119:35:151
3054140210,0sleep00-21swapper/019:30:130
3052635210,0sleep00-21swapper/019:25:170
3052259210,0sleep20-21swapper/219:25:142
3052200210,0sleep10-21swapper/119:25:131
3051056210,0sleep10-21swapper/119:20:171
3048874210,0sleep00-21swapper/019:15:160
3047644210,0sleep10-21swapper/119:15:011
3046534210,0sleep20-21swapper/219:10:172
3046240210,0sleep00-21swapper/019:10:160
3178832200,0sleep20-21swapper/200:35:012
3170719200,0sleep10-21swapper/100:15:031
3168637200,0sleep10-21swapper/100:10:031
3164475200,0sleep20-21swapper/200:00:032
3164474200,0sleep10-21swapper/100:00:021
3155857200,0sleep10-21swapper/123:40:011
3153776200,0sleep10-21swapper/123:35:011
3149846200,0sleep10-21swapper/123:25:041
3141498200,0sleep10-21swapper/123:05:031
3124541200,0sleep10-21swapper/122:25:041
3124305200,0sleep20-21swapper/222:25:022
3122202200,0sleep20-21swapper/222:20:012
3116190200,0sleep10-21swapper/122:05:031
3114112200,0sleep10-21swapper/122:00:031
3109661200,0sleep20-21swapper/221:50:032
3101144200,0sleep20-21swapper/221:30:022
3089300200,0sleep20-21swapper/221:00:042
3087366200,0sleep20-21swapper/220:55:052
3085454200,0sleep10-21swapper/120:50:021
3083542200,0sleep10-21swapper/120:45:021
3083310200,0sleep00-21swapper/020:45:010
3081633200,0sleep10-21swapper/120:40:021
3079700200,0sleep20-21swapper/220:35:022
3079467200,0sleep00-21swapper/020:35:000
3073967200,0sleep00-21swapper/020:20:040
3072032200,0sleep10-21swapper/120:15:051
3072031200,0sleep00-21swapper/020:15:030
3071864200,0sleep20-21swapper/220:15:022
3067975200,0sleep20-21swapper/220:05:012
3066006200,0sleep20-21swapper/220:00:002
3062387200,0sleep20-21swapper/219:50:042
3062386200,0sleep10-21swapper/119:50:041
3062385200,0sleep00-21swapper/019:50:030
3058258200,0sleep20-21swapper/219:40:032
3058257200,0sleep10-21swapper/119:40:021
3054099200,0sleep20-21swapper/219:30:032
3050279200,0sleep00-21swapper/019:20:040
3050276200,0sleep20-21swapper/219:20:022
3045682200,0sleep10-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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