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2026-03-20 - 07:46
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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 Mar 20, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31107362260,3sleep0221rcuc/023:10:320
276549299258,10cyclictest30516632sleep322:35:163
276549299243,9cyclictest2870305-21sleep20:30:013
276549299231,18cyclictest2958188-21taskset21:31:373
276549299231,17cyclictest3097162-21taskset23:05:013
276549299221,17cyclictest3211246-21taskset00:18:263
276549299221,17cyclictest2838400-21taskset20:03:373
276549299221,17cyclictest2793829-21taskset19:30:103
276549299217,9cyclictest31568302sleep323:40:553
276549299217,9cyclictest31568302sleep323:40:553
276549299212,15cyclictest3035470-21taskset22:24:283
276549299211,17cyclictest3218077-21taskset00:21:073
276549299211,17cyclictest3202878-21taskset00:11:203
276549299211,17cyclictest3119705-21taskset23:19:293
276549299211,17cyclictest2914532-21taskset21:02:263
276549299211,17cyclictest2857273-21taskset20:16:323
276549299211,17cyclictest2831916-21taskset19:56:403
276549299211,16cyclictest3189103-21taskset00:05:033
276549299211,16cyclictest3111654-21taskset23:13:193
276549299211,16cyclictest3080511-21taskset22:51:463
276549299211,16cyclictest3049529-21taskset22:30:383
276549299211,16cyclictest3027705-21taskset22:19:073
276549299211,16cyclictest3012369-21taskset22:08:493
276549299211,16cyclictest2965974-21taskset21:37:143
276549299211,16cyclictest2943343-21taskset21:23:033
276549299211,16cyclictest2908078-21taskset20:55:533
276549299211,16cyclictest2844846-21taskset20:09:593
276549299211,16cyclictest2844846-21taskset20:09:593
276549299211,16cyclictest2780247-21taskset19:16:033
276549299210,17cyclictest2931632-21taskset21:15:173
30504882201,16sleep13050494-21ssh22:33:331
29572842201,5sleep22957327-21ntp_states21:30:242
276549299206,11cyclictest3019371-21taskset22:12:063
276549299201,16cyclictest3226875-21taskset00:29:323
276549299201,16cyclictest3172032-21taskset23:50:443
276549299201,16cyclictest3141832-21taskset23:31:513
276549299201,16cyclictest3073257-21taskset22:48:023
276549299201,16cyclictest3065957-21taskset22:43:573
276549299201,16cyclictest2989393-21taskset21:54:023
276549299201,16cyclictest2979936-21taskset21:45:203
276549299201,16cyclictest2950488-21taskset21:26:273
276549299201,16cyclictest2928467-21taskset21:14:213
276549299201,16cyclictest2920773-21taskset21:06:113
276549299201,16cyclictest2901721-21taskset20:50:353
276549299201,16cyclictest2882636-21taskset20:35:403
276549299201,16cyclictest2876514-21taskset20:33:523
276549299201,16cyclictest2825749-21taskset19:54:033
276549299201,15cyclictest3188397-21taskset00:03:393
276549299201,15cyclictest3179873-21taskset23:56:213
276549299201,15cyclictest3135221-21turbostat23:30:003
276549299201,15cyclictest3125740-21taskset23:20:253
276549299201,15cyclictest3095782-21taskset23:01:413
276549299201,15cyclictest2889031-21taskset20:41:293
276549299201,15cyclictest2793221-21taskset19:26:053
276549299201,14cyclictest28129382sleep319:44:383
276549299200,17cyclictest3233473-21taskset00:31:213
276549299192,13cyclictest2819152-21taskset19:46:133
276549299191,15cyclictest3149449-21taskset23:36:533
276549299191,15cyclictest2895500-21taskset20:47:153
276549299191,15cyclictest2771834-21taskset19:14:183
276549299191,14cyclictest3042639-21taskset22:27:573
276549299191,13cyclictest2780885-21chrt19:20:123
276549299190,16cyclictest2997006-21taskset21:58:513
276549299190,16cyclictest2997006-21taskset21:58:513
276549299190,16cyclictest2851110-21taskset20:14:083
28341382180,8sleep1331ktimers/120:00:191
27925932182,5sleep02792632-21ntpq19:25:230
276549299181,14cyclictest3161209-21taskset23:45:183
276549299181,13cyclictest3005081-21taskset22:04:563
276549299181,13cyclictest3005081-21taskset22:04:563
276549299180,15cyclictest2863742-21taskset20:22:573
276549299180,13cyclictest3234971-21taskset00:35:023
28565842171,4sleep12856623-21ntpq20:15:231
276549299171,13cyclictest3088491-21taskset22:58:003
276549299171,13cyclictest2973531-21taskset21:42:033
276549299161,12cyclictest2801154-21taskset19:35:153
276549299161,12cyclictest2765510-21taskset19:10:013
29062452151,11sleep22907297-21memory20:55:212
27990532151,4sleep0222-21plymouthd19:30:200
27656642151,3sleep10-21swapper/119:10:131
129998150,8rtkit-daemon3002928-21ssh22:00:212
129998150,8rtkit-daemon3002928-21ssh22:00:212
129998150,11rtkit-daemon3118962-21ssh23:17:152
31638122146,5sleep134-21ksoftirqd/123:45:261
31867082130,3sleep00-21swapper/000:00:240
31807812130,10sleep23180785-21ssh23:59:102
30593142130,6sleep23059387-21ssh22:40:162
27644352132,5sleep12764461-21ntpq19:05:241
129998130,8rtkit-daemon2779074-21cut19:15:181
129998130,4rtkit-daemon222-21plymouthd20:05:061
129998130,4rtkit-daemon222-21plymouthd20:05:061
31919362121,8sleep13193746-21kthreadcore00:05:181
30832602121,8sleep13084844-21kthreadcore22:55:181
30579882121,2sleep20-21swapper/222:38:032
30507892120,1sleep20-21swapper/222:34:272
30189232120,9sleep03018929-21ssh22:10:390
29076492120,8sleep02907759-21wc20:55:270
27873392121,2sleep20-21swapper/219:25:132
129998120,8rtkit-daemon2870042-21kworker/u16:1+nfsiod23:21:412
129998120,2rtkit-daemon0-21swapper/119:46:361
31968222110,2sleep20-21swapper/200:10:122
31878472110,8sleep13187806-40updatedb.plocat00:01:571
31716012113,5sleep03171861-21unixbench_singl23:50:260
31351332110,9sleep13135139-21ssh23:29:501
30440272110,7sleep03044921-21irqrtprio22:30:160
29817322111,7sleep22981738-21ssh21:48:522
29504942116,3sleep02921095-21diskmemload21:26:290
129998110,3rtkit-daemon222-21plymouthd21:09:591
129998110,3rtkit-daemon222-21plymouthd00:02:592
129998110,3rtkit-daemon1109-21cron20:41:001
129998110,1rtkit-daemon0-21swapper/200:05:022
32417212100,7sleep13241727-21ssh00:38:011
32411672100,1sleep23241173-21ssh00:36:222
31967812102,4sleep13196815-21apt-get00:10:111
31498242100,1sleep20-21swapper/223:37:572
31369942100,7sleep13138660-21kthreadcore23:30:181
31118142100,7sleep23111818-21ssh23:13:472
30806952100,2sleep13080699-21ssh22:52:261
30734142100,7sleep1222-21plymouthd22:48:291
30433082101,6sleep13043330-21latency_hist22:30:011
30419342100,3sleep23041938-21ssh22:25:452
30122812100,1sleep00-21swapper/022:08:350
30048732100,7sleep13004879-21ssh22:04:231
30048732100,7sleep13004879-21ssh22:04:231
29891452100,1sleep10-21swapper/121:53:111
29877552104,3sleep20-21swapper/221:50:252
29434502100,1sleep00-21swapper/021:23:250
29367362100,3sleep22936792-21cpuspeed_turbos21:20:142
29281432100,3sleep2222-21plymouthd21:13:202
29146122100,2sleep1222-21plymouthd21:03:291
29009912101,5sleep02901111-21ntpq20:50:210
28909312100,7sleep10-21swapper/120:45:171
28762512100,2sleep20-21swapper/220:30:312
28408832105,2sleep22842714-21kthreadcore20:05:182
28408832105,2sleep22842714-21kthreadcore20:05:182
28391142101,6sleep00-21swapper/020:05:160
28391142101,6sleep00-21swapper/020:05:160
28002782101,5sleep22800311-21apt-get19:35:112
129998100,6rtkit-daemon3134146-21ssh23:26:492
129998100,5rtkit-daemon3240350-21ntpq00:35:230
129998100,5rtkit-daemon3227374-21/usr/sbin/munin00:30:110
129998100,5rtkit-daemon2195379-21ntpd19:26:471
129998100,2rtkit-daemon222-21plymouthd19:20:211
3227338292,4sleep13227375-21apt-get00:30:121
3225616290,2sleep00-21swapper/000:25:460
3217923290,1sleep1222-21plymouthd00:20:411
3210374290,6sleep0222-21plymouthd00:15:510
3172962290,1sleep23172968-21ssh23:53:362
3164899290,7sleep00-21swapper/023:47:210
3157418290,1sleep10-21swapper/123:42:411
3157418290,1sleep10-21swapper/123:42:411
3127212290,2sleep13127218-21ssh23:24:051
3096365293,4sleep11216412-21kworker/u16:3+nfsiod23:03:281
3088368290,1sleep00-21swapper/022:57:340
3074234291,5sleep23073940-21apt-get22:50:062
3064993290,2sleep10-21swapper/122:40:591
3019499292,1sleep1171rcu_preempt22:12:291
2979995291,4sleep02980033-21ntpq21:45:220
2965904290,1sleep20-21swapper/221:37:022
2901152290,7sleep20-21swapper/220:50:232
2838244290,1sleep20-21swapper/220:01:372
2818407291,5sleep20-21swapper/219:45:212
2816034292,4sleep02817936-21grep19:45:190
2799931290,3sleep2222-21plymouthd19:34:032
2780249290,2sleep0222-21plymouthd19:16:050
2770957292,3sleep22770996-21ntpq19:10:222
12999890,6rtkit-daemon2973862-21ssh21:43:061
12999890,5rtkit-daemon739-21wpa_supplicant21:19:361
12999890,5rtkit-daemon3089558-21apt-get23:00:122
12999890,5rtkit-daemon2772151-21munin-node19:38:111
12999890,5rtkit-daemon2195379-21ntpd23:43:232
12999890,5rtkit-daemon2195379-21ntpd23:43:232
12999890,5rtkit-daemon1002-21runrttasks21:45:101
12999890,4rtkit-daemon3225529-21users00:25:282
12999890,4rtkit-daemon222-21plymouthd20:11:151
12999890,3rtkit-daemon739-21wpa_supplicant20:28:041
12999890,2rtkit-daemon222-21plymouthd21:22:401
12999890,1rtkit-daemon0-21swapper/119:56:521
3224924281,4sleep13224965-21ntpq00:25:221
3189192281,4sleep03189350-21df_inode00:05:130
3149180280,1sleep10-21swapper/123:36:031
3142570280,2sleep20-21swapper/223:34:042
3134088280,5sleep0222-21plymouthd23:26:400
3125483281,4sleep03125515-21ntpq23:20:230
3117747281,4sleep03117795-21ntpq23:15:220
3110924280,6sleep13110930-21ssh23:11:101
3079615282,3sleep03079739-21python322:50:240
3064472281,4sleep03064679-21unixbench-2d22:40:260
3042835280,1sleep0222-21plymouthd22:28:310
3012624280,1sleep20-21swapper/222:09:412
2996024280,1sleep20-21swapper/221:55:582
2996024280,1sleep20-21swapper/221:55:582
2993107280,6sleep02994990-21kthreadcore21:55:200
2993107280,6sleep02994990-21kthreadcore21:55:200
2990065281,4sleep12990100-21apt-get21:55:131
2990065281,4sleep12990100-21apt-get21:55:131
2967425280,1sleep20-21swapper/221:40:142
2967270281,3sleep00-21swapper/021:40:120
2921009280,1sleep20-21swapper/221:09:162
2920032281,4sleep02920125-21ntpq21:05:210
2909308280,4sleep014-21ksoftirqd/021:00:160
2895579280,5sleep00-21swapper/020:48:170
2894802280,5sleep20-21swapper/220:45:222
2863764280,5sleep0222-21plymouthd20:23:150
2862829281,4sleep22862949-21ntpq20:20:212
2838360281,3sleep0222-21plymouthd20:03:070
2822027280,5sleep12823888-21kthreadcore19:50:171
2807100280,5sleep12807555-21sed19:40:151
2780884281,3sleep20-21swapper/219:20:122
12999880,5rtkit-daemon703-21mta-sts-daemon23:49:122
12999880,5rtkit-daemon703-21mta-sts-daemon00:24:272
12999880,5rtkit-daemon1000-21snmpd00:17:462
12999880,4rtkit-daemon739-21wpa_supplicant22:56:212
12999880,4rtkit-daemon703-21mta-sts-daemon23:53:261
12999880,4rtkit-daemon703-21mta-sts-daemon22:22:122
12999880,4rtkit-daemon703-21mta-sts-daemon20:35:011
12999880,4rtkit-daemon703-21mta-sts-daemon20:21:041
12999880,4rtkit-daemon3103902-21chrt23:08:012
12999880,4rtkit-daemon2907559-21ntpq20:55:241
12999880,4rtkit-daemon2772151-21munin-node21:35:581
12999880,4rtkit-daemon222-21plymouthd19:32:261
12999880,4rtkit-daemon1-21systemd23:56:291
12999880,4rtkit-daemon1-21systemd21:32:271
12999880,4rtkit-daemon1-21systemd20:50:491
12999880,4rtkit-daemon1000-21snmpd20:32:001
12999880,1rtkit-daemon0-21swapper/222:15:092
3233689270,4sleep23233695-21ssh00:31:572
3203878271,3sleep03203884-21sh00:14:190
3141560271,4sleep00-21swapper/023:31:050
3117797270,4sleep13117847-21ld23:15:231
3103423270,1sleep10-21swapper/123:06:331
3089733270,4sleep03089860-21hddtemp_smartct23:00:140
3067953270,4sleep23069155-21cut22:45:172
3058104270,1sleep10-21swapper/122:38:221
3033812271,3sleep13033958-21timerwakeupswit22:20:261
3025872271,3sleep13025910-21ntpq22:15:211
3013097270,4sleep23013248-21df22:10:132
2966266270,1sleep00-21swapper/021:38:040
2953327271,4sleep00-21swapper/021:30:180
2945676270,4sleep22947166-21cut21:25:192
2944353270,4sleep12944503-21ssh21:25:141
2923369271,2sleep10-21swapper/121:10:191
2882907270,5sleep20-21swapper/220:39:132
2870536271,3sleep02870569-21apt-get20:30:130
2864489270,4sleep22864655-21cut20:25:182
2856630271,3sleep22856674-21ntpq20:15:242
2851489271,3sleep02851485-21apt-get20:15:140
2827934270,5sleep02829757-21kthreadcore19:55:170
2825713270,1sleep20-21swapper/219:53:352
2806814271,3sleep20-21swapper/219:40:122
2759502271,3sleep22760065-21grep19:05:162
3212062260,1sleep00-21swapper/000:20:040
3150818260,3sleep0222-21plymouthd23:40:110
3150818260,3sleep0222-21plymouthd23:40:110
3143367261,2sleep00-21swapper/023:35:140
3097221261,2sleep00-21swapper/023:05:120
3066606261,2sleep00-21swapper/022:45:110
3058001260,1sleep00-21swapper/022:38:050
3028031260,1sleep00-21swapper/022:20:010
2928519261,3sleep0222-21plymouthd21:14:310
2914613260,4sleep20-21swapper/221:03:302
2889077260,1sleep20-21swapper/220:42:062
2883261260,1sleep00-21swapper/020:40:110
2826094261,2sleep20-21swapper/219:55:112
2825784260,1sleep00-21swapper/019:54:290
2812909260,4sleep00-21swapper/019:44:190
2786159261,2sleep00-21swapper/019:20:220
2774516261,2sleep20-21swapper/219:15:152
2771542260,3sleep0222-21plymouthd19:10:320
2761178260,3sleep02762910-21grep19:05:180
3208802250,2sleep10-21swapper/100:15:201
3180023250,2sleep0222-21plymouthd23:56:550
3020673250,2sleep00-21swapper/022:15:120
3011577250,2sleep13011583-21ssh22:06:311
3003989250,3sleep00-21swapper/022:01:450
3003989250,3sleep00-21swapper/022:01:450
2989186250,2sleep0222-21plymouthd21:53:190
2935235250,3sleep20-21swapper/221:16:372
2879263250,2sleep02881139-21cut20:35:180
2869308250,2sleep00-21swapper/020:25:240
2851178250,2sleep0222-21plymouthd20:14:580
2850493250,2sleep2421rcuc/220:10:272
2805563250,2sleep0222-21plymouthd19:35:210
2928968240,2sleep00-21swapper/021:15:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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