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2026-05-30 - 13:52
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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 Sat May 30, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
102263499140,12cyclictest0-21swapper/312:30:113
102263499140,12cyclictest0-21swapper/310:05:123
102263499130,12cyclictest0-21swapper/311:50:133
1022634991211,0cyclictest0-21swapper/311:05:013
102263499120,11cyclictest0-21swapper/308:20:113
102263499120,11cyclictest0-21swapper/307:44:553
1022634991111,0cyclictest0-21swapper/310:10:133
102263499110,10cyclictest0-21swapper/312:05:153
102263499110,10cyclictest0-21swapper/310:50:013
102263499110,10cyclictest0-21swapper/309:45:203
102263499110,10cyclictest0-21swapper/308:10:183
102263499110,10cyclictest0-21swapper/307:10:193
102263499110,0cyclictest0-21swapper/312:00:163
102263499110,0cyclictest0-21swapper/308:35:123
102263499109,0cyclictest0-21swapper/311:32:363
102263499109,0cyclictest0-21swapper/310:20:233
102263499109,0cyclictest0-21swapper/308:45:013
102263499109,0cyclictest0-21swapper/307:45:173
1022634991010,0cyclictest0-21swapper/311:30:013
1022634991010,0cyclictest0-21swapper/309:20:143
1022634991010,0cyclictest0-21swapper/308:50:133
102263499100,9cyclictest0-21swapper/312:15:183
102263499100,9cyclictest0-21swapper/307:55:173
102263499100,8cyclictest0-21swapper/309:30:123
102263499100,0cyclictest0-21swapper/310:15:133
10226349999,0cyclictest0-21swapper/311:55:163
10226349999,0cyclictest0-21swapper/311:45:153
10226349999,0cyclictest0-21swapper/310:25:173
10226349999,0cyclictest0-21swapper/308:30:123
10226349999,0cyclictest0-21swapper/308:00:123
10226349999,0cyclictest0-21swapper/307:50:203
10226349998,0cyclictest0-21swapper/312:25:193
10226349998,0cyclictest0-21swapper/311:20:113
10226349998,0cyclictest0-21swapper/311:10:113
10226349998,0cyclictest0-21swapper/309:50:193
10226349998,0cyclictest0-21swapper/309:50:193
10226349990,9cyclictest0-21swapper/307:15:173
10226349990,8cyclictest0-21swapper/309:05:193
10226349990,0cyclictest0-21swapper/309:15:013
10226349990,0cyclictest0-21swapper/307:25:003
10226349988,0cyclictest0-21swapper/312:10:123
10226349987,0cyclictest0-21swapper/311:35:193
10226349987,0cyclictest0-21swapper/308:25:153
10226349980,7cyclictest0-21swapper/310:00:163
10226349980,0cyclictest0-21swapper/311:20:003
10226349980,0cyclictest0-21swapper/310:30:153
1021600281,5sleep30-21swapper/307:05:213
10226349977,0cyclictest0-21swapper/312:20:133
10226349977,0cyclictest0-21swapper/310:50:133
10226349977,0cyclictest0-21swapper/309:15:133
10226349977,0cyclictest0-21swapper/308:55:173
10226349970,0cyclictest0-21swapper/309:35:183
10226349966,0cyclictest0-21swapper/308:19:553
10226349955,0cyclictest0-21swapper/311:40:123
10226349955,0cyclictest0-21swapper/309:55:163
10226349955,0cyclictest0-21swapper/309:40:193
10226349955,0cyclictest0-21swapper/308:50:003
10226349951,2cyclictest0-21swapper/312:35:113
10226349950,4cyclictest0-21swapper/311:05:173
10226349950,4cyclictest0-21swapper/310:55:143
10226349950,4cyclictest0-21swapper/308:05:133
10226349950,1cyclictest0-21swapper/310:40:113
1022351250,1sleep10-21swapper/107:07:551
1111141240,2sleep11111173-21systemctl10:50:001
1090254240,3sleep11090491-21cut10:00:021
1061771240,2sleep11061797-21apt-get08:50:131
10226349941,1cyclictest0-21swapper/307:25:123
10226349940,2cyclictest0-21swapper/310:35:143
10226349940,2cyclictest0-21swapper/309:25:123
10226349940,2cyclictest0-21swapper/309:00:103
10226349940,2cyclictest0-21swapper/307:35:103
1020859241,1sleep20-21swapper/207:05:162
1136185230,1sleep21136198-21apt-get11:50:012
1098881230,1sleep11098911-21apt-get10:20:141
1096772230,1sleep01096798-21apt-get10:15:130
1036335233,0sleep0999501-21kworker/0:0+events07:41:230
10226349930,2cyclictest1030931-21taskset07:30:023
1020693231,1sleep00-21swapper/007:05:010
1152730220,1sleep21151842-21/usr/sbin/munin12:25:192
1152451220,0sleep00-21swapper/012:25:170
1149058220,2sleep20-21swapper/212:18:352
1148010220,1sleep01148164-21ntp_states12:15:170
1136839220,1sleep01137126-21df11:50:150
1112757220,1sleep00-21swapper/010:50:520
1108854220,0sleep00-21swapper/010:43:110
1103041220,1sleep00-21swapper/010:30:100
1101761220,1sleep01101932-21python310:25:190
1100343220,0sleep00-21swapper/010:21:450
1095770220,1sleep01095987-21users10:10:220
1093411220,1sleep21093582-21python310:05:182
1093130220,1sleep01093334-21ntpq10:05:160
1090242220,0sleep00-21swapper/009:59:560
1088165220,0sleep10-21swapper/109:54:581
1088165220,0sleep10-21swapper/109:54:571
1083296220,1sleep01083298-21ssh09:40:590
1081643220,1sleep21081690-21lockfile-remove09:40:022
1079246220,0sleep00-21swapper/009:31:500
1075782220,0sleep21075808-21apt-get09:25:122
1072537220,1sleep21072678-21awk09:15:192
1066034220,2sleep11066105-21if_eno109:00:131
1065746220,1sleep01066033-21df09:00:120
1059858220,1sleep01059884-21apt-get08:45:110
1040684220,1sleep01040710-21apt-get07:55:120
1040437220,1sleep01040635-21latency_hist07:55:010
1030947220,1sleep11031028-21cut07:30:121
1157296210,0sleep20-21swapper/212:35:212
1157046210,0sleep10-21swapper/112:35:201
1155634210,0sleep20-21swapper/212:34:002
1154855210,0sleep10-21swapper/112:30:181
1154106210,0sleep00-21swapper/012:30:130
1151931210,0sleep10-21swapper/112:25:141
1150662210,0sleep20-21swapper/212:20:202
1149223210,0sleep00-21swapper/012:20:010
1147139210,0sleep10-21swapper/112:15:021
1145311210,0sleep00-21swapper/012:10:130
1145291210,0sleep20-21swapper/212:10:022
1145056210,0sleep10-21swapper/112:10:021
1143228210,0sleep00-21swapper/012:05:120
1142977210,0sleep10-21swapper/112:05:011
1142107210,0sleep20-21swapper/212:00:182
1141934210,0sleep10-21swapper/112:00:171
1141176210,0sleep00-21swapper/012:00:120
1140421210,0sleep10-21swapper/111:56:011
1140333210,0sleep00-21swapper/011:55:200
1138527210,0sleep20-21swapper/211:55:022
1138234210,0sleep10-21swapper/111:52:241
1135217210,0sleep20-21swapper/211:45:172
1132305210,1sleep21132425-21telnet11:40:132
1132272210,0sleep10-21swapper/111:40:111
1131586210,0sleep00-21swapper/011:36:180
1131214210,0sleep20-21swapper/211:35:202
1129722210,0sleep10-21swapper/111:33:161
1129616210,1sleep00-21swapper/011:32:190
1128092210,0sleep20-21swapper/211:30:122
1127337210,0sleep10-21swapper/111:25:341
1126970210,0sleep00-21swapper/011:25:170
1126034210,0sleep20-21swapper/211:25:112
1125412210,0sleep00-21swapper/011:21:570
1124423210,0sleep20-21swapper/211:20:152
1124351210,0sleep10-21swapper/111:20:141
1122792210,0sleep20-21swapper/211:15:202
1121568210,0sleep00-21swapper/011:15:010
1120680210,0sleep20-21swapper/211:10:182
1119897210,0sleep10-21swapper/111:10:131
1119488210,0sleep00-21swapper/011:10:000
1119345210,1sleep00-21swapper/011:08:450
1118344210,0sleep20-21swapper/211:05:182
1117662210,0sleep10-21swapper/111:05:131
1116946210,0sleep20-21swapper/211:00:552
1116313210,0sleep10-21swapper/111:00:171
1115565210,0sleep00-21swapper/011:00:040
1114090210,0sleep20-21swapper/210:55:172
1113765210,0sleep00-21swapper/010:55:150
1113225210,0sleep10-21swapper/110:55:001
1112835210,0sleep20-21swapper/210:51:332
1111835210,0sleep10-21swapper/110:50:171
1110633210,1sleep00-21swapper/010:45:310
1110029210,0sleep20-21swapper/210:45:172
1108773210,0sleep20-21swapper/210:42:292
1107231210,0sleep10-21swapper/110:40:121
1106511210,0sleep10-21swapper/110:36:041
1106443210,1sleep20-21swapper/210:35:292
1105843210,0sleep00-21swapper/010:35:180
1103934210,0sleep20-21swapper/210:30:162
1102492210,0sleep20-21swapper/210:27:242
1099563210,0sleep20-21swapper/210:20:202
1097486210,0sleep10-21swapper/110:15:181
1096928210,0sleep20-21swapper/210:15:152
1095312210,0sleep10-21swapper/110:10:191
1094859210,0sleep20-21swapper/210:10:152
1092355210,0sleep10-21swapper/110:05:011
1092080210,0sleep20-21swapper/210:02:342
1091240210,0sleep00-21swapper/010:00:160
1088177210,0sleep20-21swapper/209:55:032
1086785210,0sleep00-21swapper/009:50:160
1086785210,0sleep00-21swapper/009:50:150
1086406210,0sleep20-21swapper/209:50:132
1086406210,0sleep20-21swapper/209:50:132
1086031210,0sleep00-21swapper/009:49:310
1085239210,0sleep10-21swapper/109:45:201
1083749210,0sleep20-21swapper/209:45:012
1082531210,0sleep10-21swapper/109:40:161
1082042210,0sleep20-21swapper/209:40:132
1081185210,0sleep00-21swapper/009:35:550
1080085210,0sleep10-21swapper/109:35:161
1079506210,0sleep10-21swapper/109:34:311
1077796210,0sleep21077822-21apt-get09:30:122
1076678210,0sleep10-21swapper/109:25:191
1075937210,0sleep00-21swapper/009:25:140
1075231210,0sleep20-21swapper/209:21:492
1074844210,0sleep00-21swapper/009:20:210
1071768210,0sleep10-21swapper/109:15:141
1071485210,0sleep00-21swapper/009:15:010
1070323210,0sleep10-21swapper/109:10:191
1069828210,0sleep20-21swapper/209:10:152
1069188210,0sleep00-21swapper/009:10:020
1068259210,0sleep10-21swapper/109:05:181
1067525210,0sleep00-21swapper/009:05:130
1065611210,0sleep20-21swapper/209:00:102
1064396210,0sleep00-21swapper/008:55:170
1064111210,0sleep20-21swapper/208:55:152
1063864210,0sleep10-21swapper/108:55:141
1062481210,0sleep20-21swapper/208:50:182
1060568210,0sleep10-21swapper/108:45:161
1060012210,0sleep20-21swapper/208:45:132
1059417210,0sleep10-21swapper/108:42:331
1057947210,0sleep00-21swapper/008:40:110
1057181210,0sleep10-21swapper/108:35:201
1056449210,0sleep00-21swapper/008:35:150
1055420210,0sleep20-21swapper/208:30:322
1054540210,0sleep00-21swapper/008:30:150
1054104210,0sleep10-21swapper/108:30:111
1053518210,0sleep00-21swapper/008:25:380
1052902210,0sleep20-21swapper/208:25:172
1052192210,0sleep10-21swapper/108:25:111
1051839210,0sleep00-21swapper/008:23:380
1051624210,0sleep10-21swapper/108:20:511
1051565210,0sleep20-21swapper/208:20:202
1049189210,0sleep00-21swapper/008:15:190
1048346210,0sleep20-21swapper/208:15:122
1046879210,0sleep20-21swapper/208:10:152
1046700210,0sleep10-21swapper/108:10:141
1046428210,1sleep00-21swapper/008:10:050
1045996210,0sleep00-21swapper/008:07:330
1045770210,0sleep10-21swapper/108:05:221
1045271210,0sleep20-21swapper/208:05:192
1042617210,0sleep00-21swapper/008:00:130
1040849210,0sleep20-21swapper/207:55:142
1040713210,0sleep10-21swapper/107:55:131
1038527210,0sleep10-21swapper/107:50:011
1037705210,0sleep20-21swapper/207:45:192
1036954210,0sleep10-21swapper/107:45:131
1036863210,0sleep00-21swapper/007:45:120
1035373210,0sleep20-21swapper/207:40:132
1033470210,0sleep00-21swapper/007:35:160
1032946210,0sleep10-21swapper/107:35:131
1032644210,0sleep20-21swapper/207:35:012
1030696210,0sleep20-21swapper/207:30:012
1029498210,0sleep10-21swapper/107:25:161
1029419210,0sleep00-21swapper/007:25:150
1029023210,0sleep20-21swapper/207:25:042
1028756210,0sleep00-21swapper/007:24:390
1027124210,0sleep20-21swapper/207:20:122
1025355210,0sleep00-21swapper/007:15:140
1025189210,0sleep20-21swapper/207:15:122
1023184210,0sleep20-21swapper/207:10:162
1155786200,0sleep00-21swapper/012:35:030
1149680200,0sleep10-21swapper/112:20:031
1143211200,0sleep20-21swapper/212:05:022
1134339200,0sleep10-21swapper/111:45:041
1134338200,0sleep00-21swapper/011:45:030
1132256200,0sleep00-21swapper/011:40:020
1130156200,0sleep10-21swapper/111:35:031
1121805200,0sleep10-21swapper/111:15:031
1103026200,0sleep10-21swapper/110:30:031
1100941200,0sleep10-21swapper/110:25:031
1090517200,0sleep10-21swapper/110:00:051
1073773200,0sleep10-21swapper/109:20:031
1067512200,0sleep20-21swapper/209:05:032
1061759200,0sleep00-21swapper/008:50:040
1057680200,0sleep20-21swapper/208:40:022
1055770200,0sleep20-21swapper/208:35:012
1048334200,0sleep10-21swapper/108:15:041
1042602200,0sleep20-21swapper/208:00:042
1042601200,0sleep10-21swapper/108:00:031
1038760200,0sleep20-21swapper/207:50:022
1034685200,0sleep10-21swapper/107:40:001
1030933200,0sleep00-21swapper/007:30:030
1027110200,0sleep10-21swapper/107:20:041
1025176200,0sleep10-21swapper/107:15:031
1022802200,0sleep10-21swapper/107:10:031
1022801200,0sleep00-21swapper/007:10:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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