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2026-09-11 - 09:20
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot8.osadl.org (updated Fri Sep 11, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292618321180,2sleep2421rcuc/219:40:192
292618321180,2sleep2421rcuc/219:40:182
2882230992926,1cyclictest0-21swapper/323:35:003
2882230992926,1cyclictest0-21swapper/323:20:263
2882230992926,1cyclictest0-21swapper/321:20:013
2882230992926,1cyclictest0-21swapper/321:20:003
2882230992825,1cyclictest0-21swapper/323:10:013
2882230992825,1cyclictest0-21swapper/320:40:193
2882230992824,1cyclictest0-21swapper/321:10:003
2882230992724,1cyclictest0-21swapper/322:40:003
2882230992623,1cyclictest0-21swapper/323:40:263
2882230992623,1cyclictest0-21swapper/321:20:273
2882230992522,1cyclictest0-21swapper/300:00:263
2882230992421,1cyclictest0-21swapper/300:10:163
2882230992319,1cyclictest0-21swapper/323:45:203
2882230992219,1cyclictest0-21swapper/320:55:003
2882230992219,1cyclictest0-21swapper/319:20:003
2882230992211,8cyclictest31488042sleep322:20:143
288223099221,16cyclictest3233373-21taskset23:11:363
2882230992118,1cyclictest0-21swapper/323:55:233
2882230992118,1cyclictest0-21swapper/322:50:013
2882230992118,1cyclictest0-21swapper/322:40:213
2882230992118,1cyclictest0-21swapper/320:40:003
2882230992118,1cyclictest0-21swapper/319:40:003
2882230992118,1cyclictest0-21swapper/300:20:113
288223099211,15cyclictest3336305-21taskset00:19:523
2882230992017,1cyclictest0-21swapper/300:40:003
2882230992016,2cyclictest0-21swapper/321:00:133
2882230991916,1cyclictest0-21swapper/322:20:003
2882230991916,1cyclictest0-21swapper/322:00:243
2882230991916,1cyclictest0-21swapper/321:40:063
2882230991916,1cyclictest0-21swapper/321:10:253
2882230991916,1cyclictest0-21swapper/319:40:193
2882230991916,1cyclictest0-21swapper/319:40:183
288223099191,14cyclictest2993469-21taskset20:32:033
288223099191,14cyclictest2955074-21taskset20:03:483
288223099191,13cyclictest3075842-21chrt21:30:243
288223099191,13cyclictest2955425-21taskset20:05:023
288223099188,7cyclictest3209938-21taskset22:56:413
288223099182,13cyclictest3350605-21taskset00:25:573
2882230991815,1cyclictest0-21swapper/321:25:213
2882230991815,1cyclictest0-21swapper/319:55:213
2882230991814,1cyclictest0-21swapper/322:15:013
288223099181,13cyclictest3296072-21taskset23:51:503
288223099181,13cyclictest3272624-21taskset23:37:073
288223099181,13cyclictest3250538-21taskset23:25:123
288223099181,13cyclictest3211398-21taskset23:00:053
288223099181,13cyclictest2974723-21chrt20:20:123
288223099181,13cyclictest2931571-21taskset19:45:173
288223099181,13cyclictest2888212-21taskset19:10:283
288223099176,8cyclictest2968253-21taskset20:15:083
288223099172,10cyclictest2882337-21taskset19:10:013
2882230991714,1cyclictest0-21swapper/300:05:183
288223099171,13cyclictest3358955-21taskset00:32:283
288223099171,13cyclictest3202632-21taskset22:53:033
288223099171,13cyclictest3170442-21taskset22:30:423
288223099171,13cyclictest3162558-21taskset22:25:293
288223099171,13cyclictest3114554-21taskset21:55:183
288223099171,13cyclictest3109116-21taskset21:54:593
288223099171,12cyclictest2904043-21chrt19:25:113
288223099171,11cyclictest2961871-21chrt20:10:103
30999952161,5sleep23100001-21ssh21:46:162
2882230991613,1cyclictest0-21swapper/321:45:173
288223099161,13cyclictest2981177-21taskset20:25:103
288223099161,12cyclictest3241449-21taskset23:17:303
288223099161,12cyclictest3131333-21taskset22:05:523
288223099161,12cyclictest3078176-21taskset21:35:013
288223099161,12cyclictest3025540-21taskset20:56:083
288223099161,12cyclictest2915943-21taskset19:30:263
288223099161,12cyclictest2903408-21taskset19:20:473
288223099161,11cyclictest3006856-21taskset20:45:023
288223099160,12cyclictest2937930-21taskset19:50:173
33428782157,5sleep23336414-21sendmail-msp00:21:122
32487912151,10sleep13242372-21sendmail-msp23:21:101
30498942141,9sleep23051583-21cut21:15:212
30498942141,9sleep23051583-21cut21:15:212
29746862141,9sleep12974458-21sendmail-msp20:20:121
31879822131,9sleep13187986-21ssh22:45:051
30691602131,9sleep13069164-21ssh21:27:141
30197432131,4sleep03019899-21diskstats20:55:140
33172382120,9sleep13318367-21memory00:05:191
32110732120,2sleep20-21swapper/222:59:582
33592492111,7sleep0222-21plymouthd00:33:170
33045612110,8sleep13304567-21ssh23:58:461
32976802110,8sleep03297766-21grep23:55:160
32727752111,3sleep2431ktimers/223:37:302
32636252110,3sleep03263674-21ntpq23:30:270
32557592110,2sleep00-21swapper/023:25:210
32114502111,6sleep23211158-21sendmail-msp23:00:132
30860772110,7sleep13085748-21sendmail-msp21:40:141
30851282111,3sleep0222-21plymouthd21:38:240
30577592110,7sleep23059141-21kthreadcore21:20:232
30062772110,1sleep00-21swapper/020:40:560
33537312100,7sleep13355069-21kthreadcore00:30:171
33133042101,2sleep20-21swapper/200:05:122
32762522100,7sleep23277561-21kthreadcore23:40:192
32740212101,5sleep03273700-21sendmail-msp23:40:130
32565032100,7sleep23256509-21ssh23:25:512
32271192101,5sleep03227281-21diskstats23:10:140
31935902100,7sleep03193725-21cat22:45:290
31862862101,5sleep13179854-21sendmail-msp22:41:031
31463182101,6sleep23146349-21ntpq22:15:222
31234152100,7sleep03123421-21ssh22:00:530
31187482105,3sleep2249-21jbd2/sda2-822:00:202
30862622100,7sleep03086462-21smartctl21:40:170
30844472100,7sleep13084453-21ssh21:36:201
30542502100,3sleep13054258-21ssh21:19:251
30542502100,3sleep13054258-21ssh21:19:241
30069042102,4sleep13006901-21apt-get20:45:131
29991212101,6sleep02999174-21/usr/sbin/munin20:35:210
29542392102,4sleep22954273-21ntpq20:00:242
29542002102,5sleep12954232-21ntpq20:00:241
29234072101,6sleep12923023-21sendmail-msp19:40:151
29234072101,6sleep12923023-21sendmail-msp19:40:141
3338211290,6sleep13339584-21kthreadcore00:20:191
3336636290,1sleep00-21swapper/000:20:020
3312285290,2sleep1222-21plymouthd00:03:041
3303889291,4sleep2222-21plymouthd23:56:502
3288283290,1sleep10-21swapper/123:47:071
3242042290,2sleep0222-21plymouthd23:19:150
3231628291,5sleep23232198-21/usr/sbin/munin23:10:192
3198532290,6sleep23200218-21cut22:50:232
3169598291,5sleep03169702-21ntpq22:30:200
3162224291,6sleep13162481-21tail22:25:291
3155865290,2sleep2222-21plymouthd22:23:402
3154875291,5sleep13154881-21ssh22:20:511
3138523291,5sleep03138557-21ntpq22:10:230
3116590290,2sleep00-21swapper/021:58:530
3115957290,1sleep20-21swapper/221:57:022
3092769290,3sleep2222-21plymouthd21:42:402
3077255290,2sleep1222-21plymouthd21:33:011
3060174291,5sleep13060219-21ntpq21:20:261
3056012290,6sleep03056464-21kthreadcore21:20:210
3054479291,5sleep03054512-21munin-run21:20:010
3054479291,5sleep03054512-21munin-run21:20:000
3044279291,5sleep23044405-21sh21:10:202
3039537291,5sleep13039641-21grep21:10:141
3026125291,1sleep10-21swapper/121:00:091
2987316290,6sleep02987341-21munin-run20:30:000
2962543290,6sleep12963308-21kthreadcore20:10:181
2960883291,6sleep02960991-21threads20:05:270
2942238291,5sleep02942352-21sed19:55:010
2892771291,5sleep22894478-21tr19:15:172
2876052290,4sleep10-21swapper/119:05:101
3364727281,4sleep00-21swapper/000:35:220
3329115280,5sleep13329177-21fschecks_count00:15:141
3326351281,4sleep03326401-21ntpq00:10:230
3319980282,3sleep0222-21plymouthd00:07:520
3289584280,5sleep13289298-21apt-get23:50:051
3268842281,4sleep03270579-21cut23:35:190
3265294281,4sleep2222-21plymouthd23:33:412
3236336281,4sleep13237827-21cut23:15:161
3217566280,1sleep13217572-21ssh23:00:521
3216924280,6sleep03217006-21sh23:00:270
3180553281,4sleep23180602-21tr22:40:162
3177433280,2sleep00-21swapper/022:35:220
3174821281,4sleep23176515-21cut22:35:202
3165892280,6sleep13167276-21tr22:30:171
3164668281,4sleep23164872-21hddtemp_smartct22:30:142
3138420281,5sleep23138467-21ntpq22:10:222
3130555281,4sleep03130600-21ld22:05:230
3115515280,2sleep13115521-21ssh21:55:531
3085375281,4sleep23085380-21sh21:39:022
3031387281,4sleep23031424-21ntpq21:00:222
3030397281,4sleep03025902-21sendmail-msp21:00:190
3019119280,5sleep2222-21plymouthd20:51:002
3018643281,4sleep13018750-21python320:50:271
3018591280,5sleep03018640-21ps20:50:250
2999997280,2sleep2222-21plymouthd20:38:322
2999175281,4sleep12999218-21ntpq20:35:221
2993354281,2sleep0222-21plymouthd20:30:330
2967767280,5sleep2222-21plymouthd20:12:102
2955637280,1sleep1222-21plymouthd20:05:161
2949012280,1sleep00-21swapper/020:00:140
2948502281,4sleep2222-21plymouthd19:58:042
2947746280,6sleep12947787-21ntpq19:55:211
2930652280,5sleep22931570-21cut19:45:172
2914727280,5sleep02915471-21sed19:30:200
2911818281,4sleep22912924-21cut19:30:182
2897191280,1sleep10-21swapper/119:19:171
2888515280,2sleep1222-21plymouthd19:14:171
2881836281,3sleep2222-21plymouthd19:06:392
3367081270,1sleep20-21swapper/200:38:252
3355073270,4sleep23356782-21cut00:30:182
3351562271,3sleep13351566-21ssh00:28:461
3350490270,1sleep20-21swapper/200:25:412
3328912270,4sleep2222-21plymouthd00:15:102
3305572271,3sleep23305061-21sendmail-msp00:00:162
3296144270,4sleep2222-21plymouthd23:52:102
3288962270,4sleep2222-21plymouthd23:49:082
3274176271,3sleep1249-21jbd2/sda2-823:40:141
3266058271,3sleep13265760-21apt-get23:35:041
3249301271,3sleep0222-21plymouthd23:22:370
3242640270,4sleep23242646-21ssh23:20:102
3240415271,2sleep20-21swapper/223:15:262
3234043270,1sleep10-21swapper/123:13:271
3210304270,4sleep13210310-21ssh22:57:481
3188074271,2sleep20-21swapper/222:45:142
3186279270,1sleep0222-21plymouthd22:41:020
3173713270,5sleep13174817-21kthreadcore22:35:191
3150147271,4sleep03150838-21grep22:20:180
3143935271,3sleep10-21swapper/122:15:181
3128231271,3sleep11000-21snmpd22:05:191
3117335271,3sleep1222-21plymouthd22:00:111
3101864270,1sleep00-21swapper/021:50:150
3099168271,3sleep13099221-21ntp_states21:45:231
3076790270,5sleep0222-21plymouthd21:31:430
3062416270,1sleep00-21swapper/021:25:010
3025656270,4sleep2222-21plymouthd20:57:362
3006868271,2sleep0222-21plymouthd20:45:120
2992981270,3sleep1222-21plymouthd20:30:261
2986496270,4sleep12986602-21awk20:25:241
2974208271,3sleep2222-21plymouthd20:17:312
2967680270,1sleep0222-21plymouthd20:11:050
2961389271,3sleep2222-21plymouthd20:07:172
2941271271,3sleep22941311-21ntpq19:50:212
2922870270,1sleep00-21swapper/019:38:490
2904196270,4sleep02904311-21perl19:25:140
2898974271,3sleep12900402-21kthreadcore19:20:181
2897574270,4sleep02897309-21sendmail-msp19:20:130
2896937271,3sleep0222-21plymouthd19:16:030
2883771270,4sleep02884065-21grep19:10:190
2882405271,3sleep22882438-21apt-get19:10:132
3328960260,3sleep03329114-21df_inode00:15:130
3328180260,3sleep13328173-40updatedb.plocat00:13:491
3326455261,2sleep20-21swapper/200:10:262
3311687261,2sleep086188-21systemd-journal00:01:170
3291015261,3sleep03291934-21kthreadcore23:50:200
3281770261,3sleep0222-21plymouthd23:45:050
3265742261,2sleep13265821-21ssh23:35:011
3252985261,3sleep13254628-21kthreadcore23:25:181
3225930260,1sleep20-21swapper/223:07:362
3225566260,3sleep13225570-21ssh23:06:391
3225278260,1sleep00-21swapper/023:05:440
3158318260,3sleep03159922-21cut22:25:200
3148401260,1sleep00-21swapper/022:19:590
3140438260,1sleep10-21swapper/122:14:211
3125233260,3sleep2222-21plymouthd22:05:122
3108593260,1sleep10-21swapper/121:53:291
3101704261,2sleep20-21swapper/221:50:142
3069326260,1sleep20-21swapper/221:27:392
3041976261,3sleep0222-21plymouthd21:10:170
3037746260,3sleep13037841-21ntpq21:05:211
3034036260,4sleep23035435-21kthreadcore21:05:182
3025585260,4sleep10-21swapper/120:56:431
3012820260,3sleep2222-21plymouthd20:47:542
3006447261,2sleep10-21swapper/120:43:051
3000434260,2sleep20-21swapper/220:40:132
2993474260,1sleep20-21swapper/220:32:082
2981216260,3sleep22981370-21df_inode20:25:132
2980897260,1sleep00-21swapper/020:24:520
2980043261,2sleep22974458-21sendmail-msp20:20:252
2968296261,2sleep10-21swapper/120:15:141
2948344260,1sleep00-21swapper/019:56:090
2935627260,1sleep10-21swapper/119:47:211
2929902260,4sleep0222-21plymouthd19:45:140
2922876260,1sleep10-21swapper/119:38:541
2922690260,1sleep20-21swapper/219:36:302
2916200260,4sleep1222-21plymouthd19:30:291
2909880260,1sleep20-21swapper/219:26:362
2897531260,3sleep22897309-21sendmail-msp19:20:072
2876464260,2sleep00-21swapper/019:05:210
3366893250,2sleep1222-21plymouthd00:37:481
3351299250,2sleep0222-21plymouthd00:27:560
3204113250,2sleep03204907-21irqrtprio22:55:180
3202117251,2sleep0222-21plymouthd22:51:370
3197287251,2sleep10-21swapper/122:50:221
3156616250,3sleep20-21swapper/222:25:102
3099373250,2sleep03099485-21/usr/sbin/munin21:45:260
3076843250,2sleep2222-21plymouthd21:31:572
3032632250,2sleep00-21swapper/021:05:130
2968260250,2sleep02968293-21apt-get20:15:130
2936090250,2sleep1222-21plymouthd19:50:041
2929089250,3sleep00-21swapper/019:40:420
2929089250,3sleep00-21swapper/019:40:410
2904001250,2sleep1222-21plymouthd19:25:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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