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2026-06-09 - 13:55
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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 792 highest latencies:
System rackeslot8.osadl.org (updated Tue Jun 09, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283031821250,1sleep00-21swapper/021:20:180
283031821250,1sleep00-21swapper/021:20:180
311132921150,2sleep1222-21plymouthd00:20:251
2653135993229,1cyclictest0-21swapper/322:55:003
2653135993229,1cyclictest0-21swapper/322:55:003
2653135992724,1cyclictest0-21swapper/300:10:173
2653135992623,1cyclictest0-21swapper/322:15:133
2653135992521,1cyclictest0-21swapper/323:00:003
2653135992521,1cyclictest0-21swapper/323:00:003
30536922240,1sleep20-21swapper/223:45:182
2653135992421,1cyclictest0-21swapper/322:50:003
2653135992320,1cyclictest0-21swapper/323:50:153
2653135992320,1cyclictest0-21swapper/323:46:013
2653135992320,1cyclictest0-21swapper/321:40:003
265313599222,15cyclictest2796464-21taskset20:59:443
2653135992219,1cyclictest0-21swapper/300:20:193
265313599221,15cyclictest2732493-21chrt20:10:133
2653135992119,1cyclictest0-21swapper/323:30:013
2653135992118,1cyclictest0-21swapper/321:35:013
2653135992117,2cyclictest0-21swapper/319:30:133
2653135992117,1cyclictest0-21swapper/321:20:043
2653135992117,1cyclictest0-21swapper/321:20:043
2653135992114,4cyclictest2941870-21sleep22:35:003
2653135992112,6cyclictest2725834-21sleep20:05:003
2653135992017,1cyclictest0-21swapper/323:05:143
2653135992017,1cyclictest0-21swapper/322:05:013
2653135992017,1cyclictest0-21swapper/300:30:163
2653135992017,1cyclictest0-21swapper/300:05:003
265313599200,17cyclictest2809380-21turbostat21:14:553
2653135991917,1cyclictest0-21swapper/319:55:143
2653135991916,1cyclictest0-21swapper/322:30:003
2653135991916,1cyclictest0-21swapper/322:20:143
2653135991916,1cyclictest0-21swapper/320:40:193
2653135991916,1cyclictest0-21swapper/319:15:003
265313599191,14cyclictest3097819-21taskset00:15:063
265313599191,13cyclictest2700211-21sleep19:45:003
265313599191,13cyclictest2680899-21sleep19:30:003
2653135991816,1cyclictest0-21swapper/322:05:253
2653135991815,1cyclictest0-21swapper/320:25:173
2653135991812,4cyclictest29421892sleep322:35:133
265313599181,13cyclictest3135157-21taskset00:36:193
265313599181,13cyclictest3042764-21taskset23:39:423
265313599181,13cyclictest3010278-21taskset23:15:283
265313599181,13cyclictest3003148-21taskset23:12:353
265313599181,13cyclictest2878817-21taskset21:52:573
265313599181,13cyclictest2871164-21taskset21:48:203
265313599181,13cyclictest2862548-21taskset21:41:023
265313599181,13cyclictest2839179-21taskset21:26:033
265313599181,13cyclictest2823808-21taskset21:16:403
265313599181,13cyclictest2809031-21taskset21:05:583
265313599181,13cyclictest2802631-21chrt21:01:213
265313599181,13cyclictest2777245-21sleep20:49:553
265313599181,13cyclictest2751456-21taskset20:24:383
265313599181,13cyclictest2744969-21taskset20:18:393
265313599181,13cyclictest2732221-21sleep20:10:003
265313599181,13cyclictest2674243-21taskset19:22:143
265313599181,13cyclictest2663311-21taskset19:15:183
265313599181,12cyclictest2949973-21chrt22:40:123
31060502171,12sleep23105641-21/usr/sbin/munin00:20:152
265313599172,12cyclictest2693597-21taskset19:38:063
2653135991714,1cyclictest0-21swapper/323:40:063
2653135991714,1cyclictest0-21swapper/323:20:053
265313599171,13cyclictest3073643-21taskset23:58:503
265313599171,13cyclictest3033614-21taskset23:30:393
265313599171,13cyclictest2887167-21taskset21:59:383
265313599171,13cyclictest2789856-21taskset20:52:473
265313599171,12cyclictest3119693-21taskset00:26:243
265313599171,12cyclictest3087899-21chrt00:05:283
265313599171,12cyclictest2987088-21taskset23:01:013
265313599171,12cyclictest2987088-21taskset23:01:013
265313599171,12cyclictest2706813-21taskset19:50:093
265313599171,12cyclictest2706571-21turbostat19:50:003
265313599170,13cyclictest2770771-21turbostat20:40:013
2653135991614,1cyclictest0-21swapper/322:10:123
265313599161,12cyclictest2764046-21taskset20:31:223
31150162150,6sleep0151ktimers/000:25:170
30875942140,7sleep23087634-21ntpq00:05:242
29564572141,9sleep12956466-21ssh22:42:151
26526712140,2sleep30-21swapper/319:06:003
31056852131,4sleep03105843-21diskstats00:20:130
28514852130,9sleep02853246-21grep21:35:190
28486662131,4sleep12848701-21apt-get21:35:121
27227092131,2sleep10-21swapper/120:00:181
27140852131,9sleep22714888-21grep19:55:182
27132482132,5sleep12713245-21apt-get19:55:131
26931972130,4sleep01176326-21kworker/0:0+kacpid19:35:260
28473852120,5sleep12847389-21ssh21:32:111
28237482120,9sleep12823753-21sh21:16:311
27513632121,3sleep2222-21plymouthd20:23:242
27121802121,8sleep22712272-21expr19:50:252
26532912121,4sleep22653324-21apt-get19:10:122
30882882110,8sleep13088292-21ssh00:05:391
30569432111,3sleep1222-21plymouthd23:45:381
30184532110,8sleep23018459-21ssh23:21:412
29513712110,3sleep02952734-21kthreadcore22:40:180
29357932110,3sleep22937208-21kthreadcore22:30:172
28942292114,4sleep12840090-21kworker/u16:6+nfsiod22:02:301
28735112111,7sleep12874559-21ssh21:50:191
28228152111,6sleep02822860-21ssh21:15:220
27793442110,8sleep02781103-21kthreadcore20:45:200
27582212111,2sleep00-21swapper/020:30:120
27389842111,7sleep22739083-21/usr/sbin/munin20:15:142
27126592111,3sleep0222-21plymouthd19:51:230
6881100,1low-memory-moni0-21swapper/119:35:031
31008792100,7sleep03102652-21cut00:15:200
30510262101,5sleep0222-21plymouthd23:45:130
30263452100,7sleep23026350-21sh23:27:112
30199222102,4sleep03019949-21apt-get23:25:120
30188572101,2sleep00-21swapper/023:22:520
29248662106,2sleep10-21swapper/122:21:021
29034702101,6sleep00-21swapper/022:10:150
28643252103,3sleep0222-21plymouthd21:45:130
28483442101,2sleep20-21swapper/221:35:012
28400602100,8sleep12840066-21ssh21:28:341
28045882101,2sleep20-21swapper/221:05:182
27897232100,6sleep2222-21plymouthd20:51:072
26863072100,7sleep02686336-21/usr/sbin/munin19:30:220
26679172100,3sleep1222-21plymouthd19:18:171
26532802100,1sleep10-21swapper/119:10:031
3127485290,1sleep00-21swapper/000:31:360
3097338292,4sleep12640072-21kworker/u16:5+rpciod00:14:291
3095534290,2sleep23095661-21sensors_temp00:10:252
3082284292,3sleep03082321-21apt-get00:05:130
3075881290,6sleep13077085-21tr00:00:171
3069622290,6sleep03071362-21kthreadcore23:55:190
3035374290,3sleep13035380-21ssh23:35:031
3033817290,6sleep13033822-21diskmemload23:31:151
3019262292,4sleep1222-21plymouthd23:24:051
3010619290,1sleep20-21swapper/223:16:322
3003580290,2sleep00-21swapper/023:13:460
2986320290,6sleep0222-21plymouthd23:00:220
2986320290,6sleep0222-21plymouthd23:00:220
2964874290,7sleep22964880-21ssh22:49:102
2964171291,5sleep12964177-21ssh22:47:081
2913202290,6sleep02914076-21kthreadcore22:15:160
2909245290,1sleep20-21swapper/222:10:532
2887217290,1sleep00-21swapper/021:59:480
2856478291,4sleep1222-21plymouthd21:40:131
2831381291,5sleep1222-21plymouthd21:20:521
2831381291,5sleep1222-21plymouthd21:20:521
2826874290,6sleep22828453-21cut21:20:172
2826874290,6sleep22828453-21cut21:20:172
2809864290,6sleep12809914-21tune2fs21:10:141
2809319290,2sleep0222-21plymouthd21:09:410
2796762290,6sleep22796545-21sendmail-msp21:00:052
2764273290,2sleep1222-21plymouthd20:34:181
2764060290,2sleep2222-21plymouthd20:31:342
2750594291,5sleep02750636-21ntpq20:20:220
2745372291,4sleep12745393-21apt-get20:20:111
2725645290,2sleep2222-21plymouthd20:03:042
2699847290,2sleep1222-21plymouthd19:40:421
2695441290,2sleep2171rcu_preempt19:40:192
2694029290,7sleep00-21swapper/019:40:100
2693695290,2sleep2222-21plymouthd19:39:222
2674432290,2sleep1222-21plymouthd19:24:421
3126482281,3sleep23126520-21ntpq00:30:212
3113460281,3sleep23113492-21apt-get00:25:122
3097177280,2sleep0222-21plymouthd00:13:560
3079807281,4sleep23079855-21ntpq00:00:222
3073713280,5sleep23073719-21ssh23:59:022
3065545280,2sleep1222-21plymouthd23:53:091
3065321280,2sleep2222-21plymouthd23:52:252
3058957281,4sleep03059147-21gltestperf23:50:140
3043185281,4sleep01000-21snmpd23:40:090
3030253280,2sleep0221rcuc/023:30:160
3026858280,1sleep1222-21plymouthd23:28:421
3011007280,2sleep1222-21plymouthd23:17:391
3004356281,3sleep03004358-21apt-get23:15:100
2988108280,2sleep22988112-21ssh23:03:572
2988108280,2sleep22988112-21ssh23:03:572
2973256281,4sleep22973269-21basename22:55:112
2973256281,4sleep22973269-21basename22:55:112
2948276280,2sleep0222-21plymouthd22:36:050
2930512281,4sleep02931684-21memory22:25:180
2919212281,4sleep02919318-21cut22:20:170
2917014280,2sleep2222-21plymouthd22:15:472
2910927281,3sleep12910966-21apt-get22:15:091
2910090280,4sleep12910094-21ssh22:13:251
2895820281,4sleep12896402-21sed22:05:151
2895427281,5sleep22895387-21/usr/sbin/munin22:05:122
2878300281,1sleep0222-21plymouthd21:51:300
2853815281,3sleep22853924-21ntpq21:35:212
2823561280,2sleep22823567-21ssh21:16:002
2815071281,4sleep22815101-21ntpq21:10:272
2795587281,4sleep12795626-21ntp_states20:55:231
2790332281,3sleep2222-21plymouthd20:55:112
2790017280,1sleep00-21swapper/020:54:530
2777047280,5sleep1222-21plymouthd20:42:521
2757810280,2sleep2222-21plymouthd20:28:372
2757031280,5sleep02757058-21ntp_states20:25:230
2751778281,3sleep12751811-21apt-get20:25:121
2738896281,4sleep0222-21plymouthd20:15:120
2706376280,5sleep2222-21plymouthd19:47:442
2673465281,4sleep02673517-21ld19:20:200
2646885281,2sleep10-21swapper/119:05:141
3129016270,4sleep03129022-21ssh00:35:130
3127836270,1sleep1222-21plymouthd00:32:331
3120023270,1sleep13120029-21ssh00:27:201
3097857270,4sleep13097898-21ssh00:15:131
3044861271,3sleep23046456-21kthreadcore23:40:182
3043190271,4sleep10-21swapper/123:40:091
3040739271,3sleep03040786-21ntp_states23:35:230
3032751270,4sleep23032895-21ntpq23:30:192
2991913271,3sleep1222-21plymouthd23:05:211
2988787271,3sleep22988821-21apt-get23:05:152
2987002270,3sleep1222-21plymouthd23:00:441
2987002270,3sleep1222-21plymouthd23:00:441
2978777271,3sleep12978906-21sed22:55:271
2978777271,3sleep12978906-21sed22:55:261
2970748271,3sleep02970793-21ntpq22:50:210
2970748271,3sleep02970793-21ntpq22:50:200
2965868271,4sleep22965949-21ssh22:50:142
2965868271,4sleep22965949-21ssh22:50:142
2965661270,1sleep10-21swapper/122:50:131
2965661270,1sleep10-21swapper/122:50:131
2949911271,3sleep22949653-21sendmail-msp22:40:082
2948485270,1sleep10-21swapper/122:36:461
2934398271,3sleep12934404-21ssh22:30:121
2934356271,3sleep02934393-21apt-get22:30:110
2927012270,4sleep12927936-21cut22:25:151
2885750270,1sleep10-21swapper/121:55:321
2879195270,5sleep22879201-21ssh21:54:052
2870667270,4sleep12870673-21ssh21:46:501
2863051270,1sleep20-21swapper/221:42:182
2862702270,4sleep0222-21plymouthd21:41:280
2839083270,4sleep0222-21plymouthd21:25:400
2803220271,2sleep10-21swapper/121:05:141
2802800271,3sleep0222-21plymouthd21:03:310
2796207270,1sleep00-21swapper/020:56:260
2789961270,4sleep1222-21plymouthd20:54:101
2777483270,3sleep12777516-21apt-get20:45:121
2770578270,1sleep20-21swapper/220:38:002
2745029270,1sleep10-21swapper/120:19:261
2738263270,3sleep1222-21plymouthd20:10:561
2732458270,4sleep22732490-21apt-get20:10:142
2726105270,1sleep20-21swapper/220:05:162
2706221270,1sleep00-21swapper/019:45:460
2668331271,3sleep20-21swapper/219:20:062
2667973270,5sleep00-21swapper/019:19:000
3135335260,3sleep1222-21plymouthd00:36:501
3135177260,1sleep20-21swapper/200:36:232
3104964261,2sleep20-21swapper/200:18:592
3074410261,3sleep086188-21systemd-journal00:00:040
3066990261,3sleep13067541-21irqrtprio23:55:161
3041607260,4sleep20-21swapper/223:36:172
3003112260,1sleep20-21swapper/223:12:232
3001823260,3sleep13001866-21ntpq23:10:221
2996115260,1sleep00-21swapper/023:09:450
2972991260,3sleep0222-21plymouthd22:55:010
2972991260,3sleep0222-21plymouthd22:55:010
2960617260,3sleep02962348-21cut22:45:190
2942147260,2sleep22942184-21apt-get22:35:112
2927938260,3sleep22928001-21kthreadcore22:25:162
2925893260,2sleep2222-21plymouthd22:24:002
2902647260,1sleep00-21swapper/022:09:190
2893190260,3sleep22893308-21ls22:00:272
2885784260,4sleep22872045-21kworker/u16:2+rpciod21:55:372
2866659261,3sleep22867405-21kthreadcore21:45:192
2847145260,1sleep00-21swapper/021:31:300
2833088261,2sleep20-21swapper/221:25:102
2809715260,3sleep02809863-21df21:10:130
2802592260,4sleep10-21swapper/121:00:521
2777519261,2sleep20-21swapper/220:45:132
2776906260,2sleep2222-21plymouthd20:41:042
2770715260,3sleep0222-21plymouthd20:39:460
2732012260,1sleep10-21swapper/120:07:441
2729300261,2sleep00-21swapper/020:05:220
2719639260,1sleep00-21swapper/020:00:050
2716606260,3sleep0222-21plymouthd19:55:200
2706846261,2sleep10-21swapper/119:50:131
2706487261,2sleep1222-21plymouthd19:49:121
2687144260,1sleep10-21swapper/119:33:201
2687123260,3sleep2222-21plymouthd19:33:052
2680716260,3sleep00-21swapper/019:28:060
2680536260,2sleep2222-21plymouthd19:25:472
2675879260,4sleep12676900-21kthreadcore19:25:181
2661945260,3sleep2222-21plymouthd19:15:132
2658518260,3sleep02658558-21ntpq19:10:220
2652777260,2sleep2222-21plymouthd19:07:192
2646874260,2sleep0222-21plymouthd19:05:050
2888099250,2sleep02889027-21irqstats22:00:170
2771054250,2sleep0874-21rs:main0
2769977251,2sleep10-21swapper/120:35:261
2732450250,3sleep00-21swapper/020:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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