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2026-06-10 - 10:26
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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 Wed Jun 10, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11047712530,2sleep2421rcuc/222:00:122
871048992522,1cyclictest0-21swapper/319:20:003
871048992421,1cyclictest0-21swapper/322:50:153
871048992421,1cyclictest0-21swapper/320:50:023
871048992421,1cyclictest0-21swapper/300:30:263
871048992421,1cyclictest0-21swapper/300:30:003
871048992319,1cyclictest0-21swapper/321:25:193
871048992310,7cyclictest12445452sleep323:30:153
13109302220,5sleep2431ktimers/200:10:182
871048992118,1cyclictest0-21swapper/322:55:193
871048992118,1cyclictest0-21swapper/322:30:043
87104899211,15cyclictest1306141-21chrt00:10:113
87104899211,15cyclictest1211837-21taskset23:06:573
87104899202,14cyclictest1138049-21taskset22:20:183
871048992017,1cyclictest0-21swapper/323:00:103
871048992017,1cyclictest0-21swapper/323:00:103
871048992017,1cyclictest0-21swapper/320:15:003
87104899201,14cyclictest1135342-21sleep22:20:003
87104899201,14cyclictest1034882-21chrt21:15:153
87104899192,13cyclictest1288994-21taskset23:56:173
871048991916,1cyclictest0-21swapper/323:40:013
871048991916,1cyclictest0-21swapper/322:40:013
871048991916,1cyclictest0-21swapper/321:30:183
871048991916,1cyclictest0-21swapper/319:40:013
871048991916,1cyclictest0-21swapper/319:40:003
871048991916,1cyclictest0-21swapper/319:25:003
871048991916,1cyclictest0-21swapper/300:00:083
87104899191,15cyclictest1241681-21taskset23:25:223
87104899191,14cyclictest956581-21chrt20:15:093
87104899191,14cyclictest1351382-21taskset00:37:193
87104899191,14cyclictest1351382-21taskset00:37:183
87104899191,14cyclictest1020664-21taskset21:05:133
87104899191,13cyclictest975617-21taskset20:30:013
87104899191,13cyclictest930978-21taskset19:55:013
87104899189,7cyclictest11035662sleep321:57:583
87104899187,7cyclictest11667012sleep322:40:123
871048991815,1cyclictest0-21swapper/323:25:003
871048991815,1cyclictest0-21swapper/323:20:003
871048991815,1cyclictest0-21swapper/321:40:283
871048991814,1cyclictest0-21swapper/321:40:003
87104899181,14cyclictest922710-21taskset19:45:203
87104899181,14cyclictest922710-21taskset19:45:193
87104899181,13cyclictest924617-21taskset19:50:133
87104899181,13cyclictest899035-21taskset19:30:073
87104899181,13cyclictest1327736-21taskset00:21:063
87104899181,13cyclictest1320570-21taskset00:17:573
87104899181,13cyclictest1281661-21taskset23:52:233
87104899181,13cyclictest1220504-21taskset23:14:513
87104899181,13cyclictest1110513-21taskset22:00:293
87104899181,13cyclictest1049303-21taskset21:22:413
87104899181,13cyclictest1013924-21taskset20:59:403
87104899181,12cyclictest1272702-21taskset23:45:233
871048991714,1cyclictest0-21swapper/323:40:013
871048991714,1cyclictest0-21swapper/321:50:123
871048991713,1cyclictest0-21swapper/319:40:023
87104899171,13cyclictest982220-21taskset20:35:153
87104899171,13cyclictest949835-21taskset20:09:403
87104899171,13cyclictest892668-21taskset19:25:103
87104899171,13cyclictest1180894-21taskset22:47:133
87104899171,13cyclictest1087956-21taskset21:47:223
87104899171,13cyclictest1019521-21taskset21:00:233
87104899171,12cyclictest980918-21taskset20:30:213
87104899171,12cyclictest871273-21chrt19:10:113
87104899171,12cyclictest1304734-21chrt00:06:593
87104899171,12cyclictest1149304-21taskset22:25:323
87104899171,12cyclictest1125950-21taskset22:10:283
87104899171,12cyclictest1112337-21taskset22:05:073
87104899171,12cyclictest1027025-21taskset21:10:063
87104899171,12cyclictest1006851-21taskset20:50:253
12822402171,9sleep01282246-21ssh23:54:070
871048991613,1cyclictest0-21swapper/320:20:083
87104899161,12cyclictest994538-21taskset20:41:553
87104899161,12cyclictest943222-21taskset20:01:303
11031462163,6sleep00-21swapper/021:56:440
11032842151,10sleep21103288-21ssh21:57:052
8648852142,5sleep1864888-21apt-get19:05:131
12852712141,2sleep20-21swapper/223:55:202
11717772141,10sleep01166706-21/usr/sbin/munin22:40:210
11200372141,4sleep21120071-21apt-get22:10:122
11181842140,11sleep11118199-21sshd-auth22:05:311
9753002131,2sleep00-21swapper/020:26:500
9489672132,8sleep1949009-21ntpq20:05:231
12051392130,10sleep21205144-21cron23:05:002
11123672132,8sleep01112401-21apt-get22:05:140
10893442131,9sleep01089365-21/usr/sbin/munin21:50:130
10487652130,10sleep11048769-21ssh21:21:081
9374272122,5sleep0937430-21apt-get20:00:120
13456872120,9sleep01346405-21grep00:35:150
13456872120,9sleep01346405-21grep00:35:150
13269752120,9sleep01321591-21/usr/sbin/munin00:20:240
13268332122,6sleep11326876-21ntpq00:20:221
12471082120,9sleep21248852-21cut23:30:182
12262392120,9sleep01226266-21ntpq23:15:250
11435972120,9sleep11143714-21perl22:25:151
11192862120,5sleep21119292-21ssh22:08:432
9901552111,7sleep1991865-21grep20:40:181
9208592111,3sleep20-21swapper/219:45:202
9208592111,3sleep20-21swapper/219:45:192
9169322111,7sleep2916969-21ntpq19:40:212
9114992110,8sleep1911678-21cut19:40:001
9114992110,8sleep1911678-21cut19:40:001
87104899119,1cyclictest0-21swapper/319:10:013
8706582113,1sleep0171rcu_preempt19:06:280
12843022111,7sleep11285270-21cut23:55:191
12300732110,8sleep11231575-21kthreadcore23:20:191
11977412111,6sleep21197420-21sendmail-msp23:00:112
11977412111,6sleep21197420-21sendmail-msp23:00:112
11899432112,5sleep11189941-21apt-get22:55:131
11719202111,7sleep11171968-21ntpq22:40:221
11278722110,8sleep21128032-21diskstats22:15:142
10564342110,8sleep11056439-21sh21:25:521
10208232110,8sleep11020976-21expr21:05:161
9689272100,2sleep1222-21plymouthd20:22:181
9498122100,1sleep20-21swapper/220:09:242
9232412101,5sleep0923353-21ntpq19:45:220
9232412101,5sleep0923353-21ntpq19:45:210
8862052101,3sleep1885958-21sendmail-msp19:20:051
13268782100,7sleep21326926-21ldconfig00:20:232
13138802100,3sleep0222-21plymouthd00:15:110
13122302100,1sleep00-21swapper/000:11:070
12879292101,6sleep01288075-21ntpq23:55:220
12817912102,5sleep11180370-21kworker/u16:2+xprtiod23:52:461
12582042101,6sleep0222-21plymouthd23:36:460
12572372100,1sleep20-21swapper/223:35:242
11803832100,7sleep11180389-21ssh22:45:431
11511292101,5sleep21150834-21apt-get22:30:042
11253112101,5sleep01125356-21ntpq22:10:220
10859772100,1sleep00-21swapper/021:45:190
10828382100,3sleep21084219-21ssh21:45:182
10200522101,6sleep0222-21plymouthd21:01:070
980972291,5sleep0981016-21ntpq20:30:230
959117291,5sleep1960932-21cut20:15:171
926795290,6sleep0928603-21kthreadcore19:50:180
891441291,3sleep0222-21plymouthd19:20:240
879788291,5sleep10-21swapper/119:15:111
1343205293,4sleep21180370-21kworker/u16:2+xprtiod00:31:012
1311730291,5sleep11311948-21unixbench_singl00:10:281
1303612293,4sleep1331ktimers/100:05:251
1296599291,5sleep10-21swapper/100:00:491
1250987290,6sleep11250991-21sh23:33:181
1231578292,5sleep21233330-21kthreadcore23:20:202
1219485290,3sleep11219491-21ssh23:11:491
1195169291,4sleep21195205-21ntpq22:55:222
1189577291,5sleep01189652-21sort22:55:010
1164833290,3sleep11164839-21ssh22:35:331
1128333290,6sleep11129268-21tr22:15:171
1073669291,5sleep21073675-21ssh21:40:142
1044853291,6sleep01046509-21kthreadcore21:20:190
1033313290,2sleep21033319-21ssh21:11:222
1018193291,5sleep21019252-21memory21:00:192
1014237290,2sleep1222-21plymouthd21:00:101
1001429291,4sleep11001462-21apt-get20:50:121
988009280,1sleep00-21swapper/020:36:200
961748281,4sleep0961789-21ntpq20:15:200
936142281,4sleep2936185-21ntpq19:55:212
924580281,3sleep1924613-21apt-get19:50:111
897982280,5sleep0898088-21swap19:25:240
892632281,4sleep2892665-21apt-get19:25:102
864619280,3sleep2222-21plymouthd19:05:022
1336757280,5sleep21336931-21cat00:30:002
1334599281,3sleep11334638-21ntpq00:25:221
1334453281,4sleep01334597-21ntpq00:25:210
1313884281,3sleep21313921-21apt-get00:15:132
1290249285,1sleep20-21swapper/200:00:012
1272233280,5sleep01272577-21needreboot23:45:200
1266792280,2sleep11266798-21ssh23:44:081
1260097280,6sleep2222-21plymouthd23:40:162
1249319281,4sleep01249412-21ntpq23:30:200
1236421281,3sleep11236423-21apt-get23:25:131
1218416281,4sleep21218457-21ntpq23:10:222
1206906280,5sleep01208317-21kthreadcore23:05:190
1200314280,5sleep11202155-21kthreadcore23:00:191
1200314280,5sleep11202155-21kthreadcore23:00:181
1166690280,5sleep21166445-21sendmail-msp22:40:072
1141017281,5sleep01141064-21/usr/sbin/munin22:20:240
1095928280,2sleep2222-21plymouthd21:53:122
1092255280,5sleep11094074-21cut21:50:181
1064847281,4sleep21064849-21ssh21:32:562
1049740281,5sleep20-21swapper/221:24:022
1040141280,2sleep1222-21plymouthd21:15:261
1032446281,4sleep01032478-21ntpq21:10:250
1026665280,5sleep0222-21plymouthd21:09:110
995241271,4sleep0995388-21gltestperf20:45:140
994577270,1sleep20-21swapper/220:42:272
988610270,4sleep0988363-21sendmail-msp20:40:050
981018271,2sleep10-21swapper/120:30:241
974652270,4sleep1974698-21ld20:25:241
965739271,3sleep2967583-21cut20:20:182
963468271,3sleep0964399-21irqstats20:20:160
962624270,1sleep20-21swapper/220:18:592
953539271,4sleep1955117-21latency20:10:191
950138270,4sleep2950160-21apt-get20:10:122
949173270,4sleep0949368-21cat20:05:260
911994270,4sleep0912186-21hddtemp_smartct19:40:150
910592270,4sleep2910639-21ntp_states19:35:252
910592270,4sleep2910639-21ntp_states19:35:242
904301270,4sleep0904424-21python319:30:250
886221271,3sleep2886253-21apt-get19:20:132
881720271,3sleep0883499-21kthreadcore19:15:180
876534270,4sleep1876564-21ntpq19:10:221
871268270,3sleep2871270-21apt-get19:10:112
1350868270,4sleep11350871-21sh00:35:441
1350868270,4sleep11350871-21sh00:35:441
1344092271,3sleep0222-21plymouthd00:33:390
1304587271,3sleep2222-21plymouthd00:06:272
1296812270,1sleep00-21swapper/000:01:240
1281946270,1sleep20-21swapper/223:53:112
1274312271,4sleep21274316-21ssh23:48:342
1274011270,1sleep11274017-21ssh23:47:371
1241823271,3sleep2222-21plymouthd23:25:262
1233797270,2sleep0871045-21cyclictest23:20:220
1226775270,4sleep11180370-21kworker/u16:2+rpciod23:15:311
1213200270,3sleep01213235-21apt-get23:10:120
1210770271,3sleep11210823-21ntp_states23:05:241
1196579270,4sleep0222-21plymouthd22:57:410
1188246270,1sleep20-21swapper/222:51:012
1158961271,3sleep01158985-21apt-get22:35:110
1153272271,3sleep014-21ksoftirqd/022:30:180
1148635271,3sleep01148678-21ntpq22:25:210
1143388271,3sleep20-21swapper/222:25:122
1111657270,4sleep11111662-21sh22:03:531
1104641271,3sleep01104645-21apt-get22:00:110
1103581271,3sleep1222-21plymouthd21:58:001
1081051270,4sleep11081139-21appstreamcli21:45:011
1080292270,1sleep00-21swapper/021:42:470
1073629271,3sleep11073664-21apt-get21:40:121
1071161270,4sleep11071216-21ntpq21:35:231
1065863271,3sleep21065898-21apt-get21:35:122
1063421271,3sleep11063451-21ntpq21:30:301
1050333270,4sleep21050339-21ssh21:25:052
1034842271,3sleep21034877-21apt-get21:15:152
1032216270,3sleep11032334-21ntpq21:10:221
1026709270,1sleep20-21swapper/221:09:462
1013641270,1sleep20-21swapper/220:56:032
1001016270,1sleep10-21swapper/120:48:081
982218262,1sleep2222-21plymouthd20:35:152
976211260,3sleep2976401-21irqcore20:30:172
975270260,2sleep2222-21plymouthd20:26:292
943145261,2sleep2222-21plymouthd20:00:342
936271260,4sleep1936351-21find19:55:241
936239261,2sleep00-21swapper/019:55:240
930418260,1sleep20-21swapper/219:51:082
919578260,4sleep1920855-21kthreadcore19:45:181
919578260,4sleep1920855-21kthreadcore19:45:181
917632260,2sleep1222-21plymouthd19:41:291
904836260,3sleep2222-21plymouthd19:31:282
877220260,2sleep0222-21plymouthd19:12:340
1351684260,3sleep21351686-21ssh00:38:192
1351684260,3sleep21351686-21ssh00:38:182
1343078260,3sleep1222-21plymouthd00:30:401
1320135260,3sleep1222-21plymouthd00:16:401
1305514260,1sleep00-21swapper/000:09:130
1265868261,2sleep0222-21plymouthd23:41:230
1236329261,2sleep0222-21plymouthd23:25:030
1226830260,4sleep21226834-21ssh23:15:402
1203970260,1sleep00-21swapper/023:01:310
1203970260,1sleep00-21swapper/023:01:300
1189037260,1sleep10-21swapper/122:53:251
1180543260,3sleep01180549-21ssh22:46:100
1180362260,3sleep21180368-21ssh22:45:402
1166201260,3sleep21166209-21ssh22:39:312
1156527261,3sleep11156568-21sh22:30:231
1141714260,3sleep21141718-21ssh22:21:022
1135679261,2sleep10-21swapper/122:20:131
1125363260,3sleep11125397-21ntpq22:10:231
1071966261,3sleep0222-21plymouthd21:36:060
1058164260,3sleep01058168-21ssh21:30:120
1040935260,1sleep00-21swapper/021:16:050
1013850260,3sleep1222-21plymouthd20:58:421
1013849260,1sleep00-21swapper/020:58:410
1007289260,1sleep00-21swapper/020:51:450
1001079260,3sleep2222-21plymouthd20:48:572
982578251,2sleep10-21swapper/120:35:171
955939250,3sleep00-21swapper/020:11:060
937803250,3sleep10-21swapper/120:00:171
910459251,2sleep0910552-21ld19:35:220
910459251,2sleep0910552-21ld19:35:220
904776250,2sleep1222-21plymouthd19:30:431
898527250,2sleep1222-21plymouthd19:26:491
879805250,2sleep20-21swapper/219:15:122
1257189250,2sleep11257233-21ntpq23:35:221
1134253250,2sleep0222-21plymouthd22:16:560
1050321250,2sleep0222-21plymouthd21:25:030
1001465251,2sleep20-21swapper/220:50:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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