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2026-08-21 - 12:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 376 highest latencies:
System rackeslot4.osadl.org (updated Fri Aug 21, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105816199271,23cyclictest1135036-21ps20:25:151
105816399262,21cyclictest1154851-21apt-get20:45:132
105816399261,23cyclictest1154580-21cron20:44:592
105816399260,24cyclictest1267570-21cron22:35:012
105816199262,21cyclictest1288106-21apt-get22:55:111
105816199262,21cyclictest0-21swapper/121:55:151
1058166992522,1cyclictest0-21swapper/321:40:153
1058166992520,3cyclictest1088858-21apt-get19:40:103
1058166992519,3cyclictest1073630-21apt-get19:25:123
105816699251,21cyclictest1159914-21apt-get20:50:123
105816699251,20cyclictest1093949-21apt-get19:45:103
105816399251,3cyclictest1339342-21apt-get23:45:142
105816399251,21cyclictest1257643-21apt-get22:25:122
105816399251,20cyclictest1344410-21apt-get23:50:132
105816399250,23cyclictest1375743-21irqcore00:20:172
105816199252,20cyclictest1272895-21apt-get22:40:101
1058161992520,2cyclictest1324111-21apt-get23:30:121
105816199251,23cyclictest1236733-21apt-get22:05:011
105816199250,22cyclictest1323418-21idleruntime-cro23:30:001
105815799252,21cyclictest1216692-21apt-get21:45:120
1058166992420,2cyclictest1237390-21apt-get22:05:133
1058166992420,2cyclictest1221737-21apt-get21:50:123
105816699241,21cyclictest1308456-21apt-get23:15:133
105816699241,20cyclictest1134553-21apt-get20:25:113
105816399242,20cyclictest1283038-21apt-get22:50:122
1058163992420,2cyclictest1195969-21apt-get21:25:142
1058163992420,2cyclictest1104112-21apt-get19:55:122
105816399241,2cyclictest1164982-21apt-get20:55:112
105816399241,21cyclictest1267847-21apt-get22:35:122
105816399241,20cyclictest0-21swapper/223:55:132
105816399240,20cyclictest0-21swapper/200:00:122
105816399240,20cyclictest0-21swapper/200:00:122
105816199241,2cyclictest1058869-21ps19:10:151
105816199241,20cyclictest1334294-21apt-get23:40:121
105816199241,20cyclictest1124407-21apt-get20:15:121
105816199241,20cyclictest1114251-21apt-get20:05:131
105816199241,20cyclictest0-21swapper/121:50:131
105816199241,20cyclictest0-21swapper/120:30:131
105816199240,20cyclictest0-21swapper/120:35:111
105815799244,1cyclictest1058150-21cyclictest23:30:120
105815799242,2cyclictest1063467-21apt-get19:15:140
105815799242,20cyclictest1231896-21apt-get22:00:120
1058157992417,5cyclictest1191337-21sed21:20:160
1058166992320,2cyclictest1365135-21apt-get00:10:113
1058166992320,2cyclictest1365135-21apt-get00:10:113
1058166992320,1cyclictest1293199-21apt-get23:00:123
1058166992320,1cyclictest1083786-21apt-get19:35:103
105816699231,2cyclictest0-21swapper/322:30:123
105816699231,20cyclictest1390522-21apt-get00:35:123
105816699231,20cyclictest0-21swapper/323:05:123
105816699230,21cyclictest1237022-21cp22:05:013
105816699230,20cyclictest64-21kcompactd023:35:103
105816699230,20cyclictest0-21swapper/321:05:123
105816699230,20cyclictest0-21swapper/320:45:133
1058163992319,2cyclictest1237003-21wc22:05:012
105816399231,2cyclictest1216655-21apt-get21:45:032
105816399231,2cyclictest1083535-21munin-run19:35:012
105816399230,3cyclictest1068285-21cron19:20:002
105816399230,21cyclictest0-21swapper/220:05:132
1058161992319,2cyclictest1303404-21apt-get23:10:111
1058161992319,2cyclictest1129480-21apt-get20:20:121
1058161992319,2cyclictest1099045-21apt-get19:50:121
1058161992319,2cyclictest0-21swapper/123:55:131
1058161992318,3cyclictest1277972-21apt-get22:45:141
105816199231,2cyclictest1068559-21apt-get19:20:101
105816199231,19cyclictest1375252-21apt-get00:20:131
105816199230,21cyclictest1217176-21ps21:45:171
105816199230,21cyclictest1155346-21ps20:45:171
105816199230,20cyclictest0-21swapper/122:35:121
105816199230,20cyclictest0-21swapper/120:50:121
105816199230,19cyclictest64-21kcompactd000:25:101
105816199230,19cyclictest1370205-21apt-get00:15:141
1058157992320,2cyclictest171ktimers/021:00:000
1058157992320,2cyclictest1298290-21apt-get23:05:120
105815799231,20cyclictest3777322-21systemd-journal21:29:590
105815799230,22cyclictest1308176-21cron23:15:000
1058166992219,2cyclictest1360046-21apt-get00:05:143
1058166992219,2cyclictest1349453-21apt-get23:55:123
1058166992219,2cyclictest1206105-21apt-get21:35:123
1058166992218,3cyclictest1323551-21apt-config23:29:593
1058166992218,2cyclictest0-21swapper/323:50:143
105816699220,21cyclictest1290340-21sed22:55:163
1058163992219,2cyclictest0-21swapper/223:15:132
1058163992219,2cyclictest0-21swapper/222:55:112
1058163992219,1cyclictest1170500-21apt-get21:00:122
1058163992219,1cyclictest0-21swapper/220:25:112
1058163992218,2cyclictest1089358-21grep19:40:152
1058163992217,4cyclictest1272898-21seq22:40:102
105816399221,20cyclictest1385430-21apt-get00:30:122
105816399220,21cyclictest64-21kcompactd023:38:242
1058161992219,2cyclictest1252596-21apt-get22:20:131
1058161992219,2cyclictest1109158-21apt-get20:00:131
1058161992219,2cyclictest0-21swapper/122:30:121
1058161992219,2cyclictest0-21swapper/100:00:211
1058161992219,2cyclictest0-21swapper/100:00:211
1058161992219,1cyclictest0-21swapper/119:15:141
105816199221,2cyclictest1175570-21apt-get21:05:131
105816199221,20cyclictest0-21swapper/119:55:111
105816199221,1cyclictest0-21swapper/123:20:111
105816199220,3cyclictest1210948-21awk21:40:011
105816199220,3cyclictest1119318-21apt-get20:10:111
105815799222,1cyclictest1114003-21idleruntime-cro20:05:010
1058157992219,2cyclictest0-21swapper/023:00:110
105815799221,20cyclictest1119318-21apt-get20:10:100
105815799221,20cyclictest0-21swapper/022:25:120
105815799221,20cyclictest0-21swapper/019:20:110
105815799220,21cyclictest1268349-21cut22:35:160
105815799220,20cyclictest1354527-21apt-get00:00:110
105815799220,20cyclictest1354527-21apt-get00:00:100
105815799220,20cyclictest1-21systemd19:40:000
105815799220,20cyclictest1216002-21apt-get21:45:000
1058166992119,1cyclictest0-21swapper/322:20:133
1058166992119,1cyclictest0-21swapper/320:10:213
1058166992119,1cyclictest0-21swapper/300:15:133
1058166992118,2cyclictest64-21kcompactd020:15:113
1058166992118,2cyclictest1139645-21apt-get20:30:143
1058166992117,3cyclictest1190579-21ls21:20:003
105816699211,19cyclictest0-21swapper/323:14:433
105816699210,20cyclictest1385157-21awk00:30:003
105816699210,20cyclictest0-21swapper/320:55:113
105816699210,1cyclictest0-21swapper/322:50:123
105816699210,19cyclictest0-21swapper/322:45:143
1058163992118,2cyclictest64-21kcompactd021:15:562
1058163992118,2cyclictest1069060-21irqcore19:20:152
1058163992118,2cyclictest0-21swapper/221:40:112
105816399210,20cyclictest1253079-21ps22:20:172
105816399210,20cyclictest0-21swapper/223:20:112
105816399210,20cyclictest0-21swapper/223:05:122
105816399210,20cyclictest0-21swapper/221:55:102
105816399210,20cyclictest0-21swapper/219:35:092
105816399210,20cyclictest0-21swapper/200:05:022
105816399210,1cyclictest1144690-21apt-get20:35:112
105816399210,1cyclictest0-21swapper/223:10:112
105816399210,19cyclictest0-21swapper/220:00:132
1058161992119,1cyclictest0-21swapper/123:50:451
1058161992119,1cyclictest0-21swapper/123:05:111
1058161992119,1cyclictest0-21swapper/100:40:001
1058161992118,2cyclictest0-21swapper/119:45:121
1058161992117,2cyclictest1165483-21grep20:55:151
1058161992117,2cyclictest0-21swapper/123:05:001
1058161992116,3cyclictest1261602-21ntpq22:25:211
105816199211,1cyclictest0-21swapper/100:10:131
105816199211,1cyclictest0-21swapper/100:10:131
105816199210,2cyclictest0-21swapper/100:05:161
105816199210,20cyclictest0-21swapper/122:05:131
105816199210,20cyclictest0-21swapper/119:35:161
105816199210,1cyclictest0-21swapper/119:25:121
1058157992119,1cyclictest0-21swapper/021:10:110
1058157992119,1cyclictest0-21swapper/019:50:120
1058157992119,1cyclictest0-21swapper/000:35:120
1058157992119,1cyclictest0-21swapper/000:30:130
1058157992118,1cyclictest1138501-21ntpq20:25:200
105815799211,1cyclictest1078696-21apt-get19:30:120
105815799210,2cyclictest1384984-21sshd00:28:050
105815799210,2cyclictest1201035-21apt-get21:30:120
105815799210,2cyclictest1114751-21grep20:05:170
105815799210,20cyclictest0-21swapper/020:45:120
105815799210,1cyclictest0-21swapper/000:05:140
1058166992019,1cyclictest0-21swapper/322:11:173
1058166992018,1cyclictest0-21swapper/320:20:113
105816699200,1cyclictest1334789-21ps23:40:153
105816699200,1cyclictest1113992-21munin-run20:05:013
105816699200,1cyclictest0-21swapper/323:45:143
105816699200,1cyclictest0-21swapper/322:25:123
105816699200,1cyclictest0-21swapper/322:15:113
105816699200,1cyclictest0-21swapper/321:10:113
105816699200,1cyclictest0-21swapper/319:20:113
105816699200,1cyclictest0-21swapper/319:10:113
105816699200,19cyclictest0-21swapper/322:41:243
1058163992018,1cyclictest1247523-21apt-get22:15:122
1058163992018,1cyclictest0-21swapper/221:05:112
1058163992018,1cyclictest0-21swapper/200:35:122
1058163992017,2cyclictest1242457-21apt-get22:10:122
1058163992017,2cyclictest0-21swapper/219:50:112
105816399200,1cyclictest0-21swapper/223:30:122
105816399200,1cyclictest0-21swapper/222:05:132
105816399200,19cyclictest1380321-21apt-get00:25:132
105816399200,19cyclictest0-21swapper/223:00:122
1058161992018,1cyclictest0-21swapper/123:45:131
1058161992018,1cyclictest0-21swapper/121:10:111
1058161992017,2cyclictest64-21kcompactd022:12:541
105816199200,1cyclictest0-21swapper/121:15:131
105816199200,1cyclictest0-21swapper/100:34:501
105816199200,19cyclictest1150731-21ps20:40:171
1058157992018,1cyclictest64-21kcompactd021:36:540
1058157992018,1cyclictest0-21swapper/023:50:140
1058157992018,1cyclictest0-21swapper/023:27:380
1058157992018,1cyclictest0-21swapper/022:56:280
1058157992018,1cyclictest0-21swapper/022:10:120
1058157992018,1cyclictest0-21swapper/021:05:130
1058157992018,1cyclictest0-21swapper/020:40:120
1058157992017,2cyclictest1221737-21apt-get21:50:130
1058157992017,2cyclictest1169805-21apt-get21:00:020
105815799201,1cyclictest0-21swapper/023:56:080
105815799200,1cyclictest1074577-21ps19:25:170
105815799200,1cyclictest0-21swapper/023:15:120
105815799200,1cyclictest0-21swapper/021:15:170
105815799200,19cyclictest1374106-21ntpq00:15:230
105815799200,19cyclictest1278455-21ps22:45:170
105815799200,19cyclictest1094433-21ps19:45:160
105815799200,19cyclictest0-21swapper/023:45:130
105815799200,19cyclictest0-21swapper/020:15:430
105815799200,19cyclictest0-21swapper/019:55:110
1058166991917,1cyclictest0-21swapper/321:57:193
1058166991917,1cyclictest0-21swapper/321:00:123
1058166991917,1cyclictest0-21swapper/300:30:133
1058166991916,1cyclictest0-21swapper/319:15:133
105816699190,2cyclictest1145173-21ps20:35:153
105816699190,1cyclictest0-21swapper/321:20:113
105816699190,19cyclictest0-21swapper/300:21:563
105816699190,18cyclictest0-21swapper/320:10:003
1058163991914,3cyclictest1181141-21grep21:10:152
105816399190,0cyclictest0-21swapper/221:50:132
105816199193,8cyclictest1334033-21munin-run23:40:001
1058161991916,2cyclictest1083530-21turbostat.cron19:35:011
1058161991916,2cyclictest0-21swapper/119:40:101
1058161991916,1cyclictest0-21swapper/122:15:121
1058157991918,1cyclictest0-21swapper/022:50:120
1058157991918,1cyclictest0-21swapper/020:50:120
1058157991917,1cyclictest0-21swapper/023:22:480
1058157991917,1cyclictest0-21swapper/000:20:120
1058157991916,2cyclictest0-21swapper/022:30:110
105815799190,1cyclictest0-21swapper/019:40:110
1058166991816,1cyclictest0-21swapper/321:30:193
1058166991815,2cyclictest1317404-21ntpq23:20:193
1058163991816,1cyclictest0-21swapper/220:20:112
105816399180,1cyclictest0-21swapper/221:30:172
1058161991815,2cyclictest0-21swapper/122:50:211
1058161991814,2cyclictest0-21swapper/121:20:121
1058161991813,3cyclictest0-21swapper/121:35:001
1058157991816,1cyclictest0-21swapper/023:35:140
1058157991815,2cyclictest0-21swapper/022:05:030
1058157991815,2cyclictest0-21swapper/020:30:120
1058166991716,1cyclictest64-21kcompactd023:34:053
1058166991715,1cyclictest64-21kcompactd000:00:583
1058166991715,1cyclictest64-21kcompactd000:00:583
1058166991715,1cyclictest0-21swapper/321:25:143
1058163991715,1cyclictest0-21swapper/223:44:502
1058163991715,1cyclictest0-21swapper/221:20:132
1058163991715,1cyclictest0-21swapper/220:30:132
1058157991716,1cyclictest0-21swapper/022:15:100
1058157991715,1cyclictest0-21swapper/022:40:100
1058157991714,2cyclictest62450irq/134-enp0s29f1:tx-023:40:240
1058157991714,2cyclictest0-21swapper/020:20:110
1058166991614,1cyclictest0-21swapper/322:35:123
1058166991614,1cyclictest0-21swapper/319:52:033
1058166991611,4cyclictest3777322-21systemd-journal21:50:013
1058161991614,1cyclictest0-21swapper/121:40:061
1058161991613,2cyclictest1175296-21idleruntime-cro21:05:001
105816199160,16cyclictest0-21swapper/123:20:001
1058157991615,1cyclictest0-21swapper/020:38:180
1058157991613,2cyclictest61650irq/133-enp0s29f1:rx-019:10:150
1058157991612,3cyclictest61650irq/133-enp0s29f1:rx-000:10:140
1058157991612,3cyclictest61650irq/133-enp0s29f1:rx-000:10:130
1058166991513,1cyclictest0-21swapper/320:40:123
1058163991513,1cyclictest1097041-21kthreadcore19:45:182
1058163991513,1cyclictest0-21swapper/221:35:222
1058163991513,1cyclictest0-21swapper/220:10:112
1058163991512,2cyclictest1365424-21gltestperf00:10:142
1058163991512,2cyclictest1365424-21gltestperf00:10:142
1058157991513,1cyclictest0-21swapper/022:20:130
1058157991512,2cyclictest61650irq/133-enp0s29f1:rx-021:55:130
1058166991413,1cyclictest0-21swapper/319:30:103
105816399141,2cyclictest10615761kthreadcore19:10:172
1058163991411,2cyclictest1160055-21cpuspeed_turbos20:50:122
1058161991412,1cyclictest0-21swapper/121:25:361
105816399139,3cyclictest0-21swapper/200:20:002
105816399137,4cyclictest1077537-21ntpq19:25:212
1058163991310,2cyclictest1124488-21cpuspeed_turbos20:15:122
105816399125,5cyclictest500-21dbus-daemon22:50:012
1058163991210,1cyclictest0-21swapper/223:25:162
105815799110,2cyclictest1058090-21latency_hist19:10:010
105815799110,2cyclictest1058090-21latency_hist19:10:000
10581639986,1cyclictest0-21swapper/219:10:002
10581639986,1cyclictest0-21swapper/219:10:002
10581619980,6cyclictest1058162-21latency_hist19:10:011
10581619980,6cyclictest1058162-21latency_hist19:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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