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2026-01-12 - 10:30
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Mon Jan 12, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
98195199352,21cyclictest261-21systemd-journal19:25:000
98195199330,22cyclictest2875-21cron00:30:000
98195199321,1cyclictest1053164-21cron20:20:000
981953993128,2cyclictest1012281-21idleruntime-cro19:40:001
98195199310,20cyclictest1-21systemd21:25:000
98195199301,2cyclictest1145292-21apt-get21:50:100
98195199292,2cyclictest1099443-21apt-get21:05:110
981951992819,7cyclictest1196382-21apt-get22:40:120
98195199280,19cyclictest1303588-21apt-get00:24:590
98196299272,21cyclictest1079156-21apt-get20:45:113
98195399272,21cyclictest1309339-21apt-get00:30:131
98195199271,1cyclictest0-21swapper/022:45:130
98195199270,1cyclictest1314099-21sshd00:34:130
98195199270,1cyclictest0-21swapper/023:40:240
98196299262,21cyclictest1263002-21apt-get23:45:113
98195799261,21cyclictest1222093-21apt-get23:05:132
98195399262,21cyclictest1084211-21apt-get20:50:111
98195399261,21cyclictest1298827-21apt-get00:20:111
98195399261,21cyclictest1155450-21apt-get22:00:121
98195199260,19cyclictest0-21swapper/020:05:120
98196299251,21cyclictest1283672-21apt-get00:05:123
98195799252,2cyclictest1227167-21apt-get23:10:112
98195799251,21cyclictest1160508-21taskset22:05:112
98195799250,5cyclictest1032943-21idleruntime-cro20:00:002
981953992520,3cyclictest1211545-21apt-get22:55:111
98195399251,21cyclictest1237234-21apt-get23:20:111
98195399251,21cyclictest1068603-21apt-get20:35:131
98195399251,21cyclictest1058494-21apt-get20:25:131
98195399251,21cyclictest1048380-21apt-get20:15:111
98195399251,21cyclictest1002465-21apt-get19:30:111
98195399251,20cyclictest0-21swapper/121:45:111
98195399251,20cyclictest0-21swapper/120:30:111
981962992419,2cyclictest1140240-21apt-get21:45:123
981957992420,2cyclictest1022661-21apt-get19:50:122
981957992419,3cyclictest1293792-21apt-get00:15:102
981957992419,3cyclictest1211272-21cron22:55:012
98195399242,3cyclictest0-21swapper/121:15:161
981953992419,2cyclictest0-21swapper/123:25:131
98195399241,21cyclictest1268055-21apt-get23:50:101
98195399241,20cyclictest0-21swapper/122:50:121
98195399241,20cyclictest0-21swapper/122:30:121
98195399241,20cyclictest0-21swapper/121:30:111
98195399241,20cyclictest0-21swapper/120:55:131
98195399241,20cyclictest0-21swapper/120:40:141
98195399240,21cyclictest0-21swapper/119:40:111
98195199242,21cyclictest1170638-21apt-get22:15:120
981962992319,2cyclictest1089790-21sed20:55:173
98196299231,2cyclictest1160505-21apt-get22:05:113
98196299231,20cyclictest1298568-21munin-run00:19:593
98196299230,22cyclictest1114288-21cron21:19:593
98196299230,20cyclictest0-21swapper/322:25:133
98196299230,19cyclictest0-21swapper/323:50:123
98196299230,19cyclictest0-21swapper/321:30:113
98195799231,2cyclictest0-21swapper/220:40:132
98195799231,21cyclictest1012550-21apt-get19:40:102
98195799230,21cyclictest261-21systemd-journal19:39:592
98195799230,21cyclictest1007249-21ls19:35:002
98195799230,20cyclictest0-21swapper/222:25:122
98195799230,20cyclictest0-21swapper/222:15:132
981953992320,2cyclictest1109251-21munin-plugin-st21:15:001
981953992320,2cyclictest1053436-21apt-get20:20:101
981953992319,2cyclictest1135185-21apt-get21:40:131
981953992319,2cyclictest1130153-21apt-get21:35:121
981953992319,2cyclictest1038273-21apt-get20:05:121
98195399231,2cyclictest1160505-21apt-get22:05:111
98195399231,2cyclictest1033218-21apt-get20:00:131
98195399231,2cyclictest0-21swapper/123:40:121
98195399231,2cyclictest0-21swapper/122:15:121
98195399231,20cyclictest1180772-21apt-get22:25:121
98195399231,19cyclictest0-21swapper/123:10:111
98195399230,3cyclictest0-21swapper/100:35:111
98195399230,21cyclictest1196870-21sed22:40:161
98195399230,20cyclictest0-21swapper/120:45:111
98195399230,20cyclictest0-21swapper/119:25:111
981951992319,2cyclictest1150371-21apt-get21:55:100
98195199231,2cyclictest997388-21apt-get19:25:110
98195199231,2cyclictest1278597-21apt-get00:00:130
981962992219,2cyclictest1246641-21ntpq23:25:223
981962992219,2cyclictest0-21swapper/320:00:133
98196299221,1cyclictest1206492-21apt-get22:50:123
98196299221,19cyclictest0-21swapper/320:25:133
98196299220,19cyclictest0-21swapper/300:20:123
981957992219,2cyclictest0-21swapper/200:34:592
981957992219,1cyclictest0-21swapper/220:05:122
981957992218,2cyclictest1257925-21apt-get23:40:122
981957992218,2cyclictest1191823-21cut22:35:192
98195799221,2cyclictest0-21swapper/200:25:122
98195799221,20cyclictest992316-21apt-get19:20:122
98195799221,20cyclictest1109510-21apt-get21:15:122
98195799220,20cyclictest1187222-21ps22:30:182
981953992219,2cyclictest1180496-21cron22:25:011
981953992219,2cyclictest0-21swapper/123:00:101
981953992218,2cyclictest0-21swapper/121:00:101
98195399221,2cyclictest0-21swapper/119:50:121
98195399220,2cyclictest1252633-21taskset23:35:001
98195399220,2cyclictest0-21swapper/100:00:121
98195399220,20cyclictest0-21swapper/122:35:151
98195399220,20cyclictest0-21swapper/121:20:221
98195399220,19cyclictest0-21swapper/119:15:231
981951992220,1cyclictest987279-21apt-get19:15:230
981951992219,2cyclictest1125098-21apt-get21:30:110
981951992219,1cyclictest0-21swapper/023:25:000
98195199221,20cyclictest1104475-21apt-get21:10:110
981962992119,1cyclictest0-21swapper/319:20:133
981962992118,1cyclictest0-21swapper/323:35:123
981962992118,1cyclictest0-21swapper/322:00:123
981962992118,1cyclictest0-21swapper/319:50:123
981962992117,2cyclictest1170641-21taskset22:15:123
981962992116,4cyclictest1073409-21awk20:40:003
98196299210,2cyclictest1145784-21irqcore21:50:143
98196299210,20cyclictest1048131-21idleruntime-cro20:15:003
98196299210,19cyclictest0-21swapper/319:30:113
98196299210,18cyclictest0-21swapper/300:35:123
981957992119,1cyclictest0-21swapper/223:45:112
981957992119,1cyclictest0-21swapper/222:45:132
981957992119,1cyclictest0-21swapper/221:45:112
981957992118,2cyclictest1242171-21dpkg23:25:012
981957992118,1cyclictest0-21swapper/223:30:122
981957992116,3cyclictest1089290-21apt-get20:55:132
98195799211,1cyclictest0-21swapper/221:55:112
98195799210,20cyclictest1118639-21taskset21:20:242
98195799210,20cyclictest0-21swapper/220:30:222
98195799210,20cyclictest0-21swapper/220:20:112
98195799210,20cyclictest0-21swapper/220:10:132
98195799210,1cyclictest0-21swapper/222:00:122
98195799210,1cyclictest0-21swapper/220:25:132
98195799210,1cyclictest0-21swapper/200:20:112
98195799210,1cyclictest0-21swapper/200:05:112
981953992118,2cyclictest0-21swapper/119:55:121
981953992117,2cyclictest1293792-21apt-get00:15:121
981953992117,2cyclictest1289251-21grep00:10:161
981953992117,2cyclictest0-21swapper/123:15:111
98195399210,2cyclictest0-21swapper/123:35:111
981951992119,1cyclictest1252869-21apt-get23:35:110
981951992119,1cyclictest1002465-21apt-get19:30:110
981951992119,1cyclictest0-21swapper/022:25:140
981951992118,2cyclictest1038001-21awk20:05:000
981951992117,2cyclictest1079156-21apt-get20:45:110
98195199210,20cyclictest0-21swapper/022:50:110
98195199210,20cyclictest0-21swapper/020:25:130
98195199210,20cyclictest0-21swapper/019:45:110
98195199210,20cyclictest0-21swapper/000:35:110
98195199210,1cyclictest0-21swapper/022:00:220
981962992018,1cyclictest1180506-21cron22:25:013
981962992018,1cyclictest0-21swapper/300:25:123
981962992017,2cyclictest1-21systemd23:35:003
981962992017,2cyclictest0-21swapper/323:40:123
981962992015,3cyclictest1012890-21sed19:40:133
98196299200,1cyclictest0-21swapper/323:15:113
98196299200,1cyclictest0-21swapper/323:10:103
98196299200,1cyclictest0-21swapper/322:40:113
98196299200,1cyclictest0-21swapper/320:20:113
98196299200,1cyclictest0-21swapper/319:25:113
98196299200,1cyclictest0-21swapper/300:00:123
981957992018,1cyclictest0-21swapper/219:10:112
981957992017,2cyclictest0-21swapper/221:25:112
981957992016,3cyclictest1268545-21irqcore23:50:162
98195799200,1cyclictest0-21swapper/222:20:122
98195799200,1cyclictest0-21swapper/221:05:112
98195799200,19cyclictest0-21swapper/221:40:122
98195799200,19cyclictest0-21swapper/220:45:102
981953992017,2cyclictest1201439-21apt-get22:45:131
981953992017,1cyclictest0-21swapper/100:05:111
981951992018,1cyclictest0-21swapper/023:55:000
981951992018,1cyclictest0-21swapper/023:25:130
98195199200,1cyclictest0-21swapper/022:35:140
98195199200,1cyclictest0-21swapper/021:45:110
98195199200,1cyclictest0-21swapper/021:00:100
98195199200,1cyclictest0-21swapper/020:55:140
98195199200,1cyclictest0-21swapper/020:30:220
98195199200,1cyclictest0-21swapper/019:40:100
98195199200,19cyclictest0-21swapper/023:55:120
98195199200,19cyclictest0-21swapper/023:30:110
98195199200,19cyclictest0-21swapper/022:10:110
98195199200,19cyclictest0-21swapper/022:10:110
98195199200,19cyclictest0-21swapper/021:35:120
98195199200,19cyclictest0-21swapper/021:25:110
981962991917,1cyclictest1185577-21apt-get22:30:023
981962991916,2cyclictest1094736-21gltestperf21:00:133
981962991916,1cyclictest0-21swapper/320:50:113
981962991916,1cyclictest0-21swapper/320:15:113
98196299190,18cyclictest1216391-21systemd-run23:00:003
981957991917,1cyclictest0-21swapper/223:15:112
981957991917,1cyclictest0-21swapper/222:40:112
981957991917,1cyclictest0-21swapper/222:10:122
981957991917,1cyclictest0-21swapper/222:10:112
981957991916,2cyclictest0-21swapper/220:50:112
981957991916,2cyclictest0-21swapper/200:10:122
981957991916,1cyclictest1094365-21apt-get21:00:112
981953991917,1cyclictest1124838-21sh21:30:011
981953991917,1cyclictest0-21swapper/121:05:161
981951991917,1cyclictest0-21swapper/021:40:120
981951991916,2cyclictest1236957-21cron23:20:000
981951991916,2cyclictest1053921-21ps20:20:150
981962991816,1cyclictest0-21swapper/320:30:113
981962991815,2cyclictest1022390-21cron19:50:003
981962991813,3cyclictest1073749-21cpuspeed_turbos20:40:143
981957991817,1cyclictest0-21swapper/223:55:122
981957991816,1cyclictest0-21swapper/221:30:112
981957991815,2cyclictest0-21swapper/220:15:112
981953991816,1cyclictest997146-21systemd-run19:25:001
981953991816,1cyclictest0-21swapper/123:55:121
981953991815,2cyclictest982149-21apt-get19:10:111
981951991816,1cyclictest1073682-21apt-get20:40:140
981962991715,1cyclictest0-21swapper/323:20:123
981962991714,1cyclictest0-21swapper/321:20:123
981962991711,2cyclictest1012294-21munin-run19:40:003
981957991714,2cyclictest1213856-21kthreadcore22:55:152
981957991712,3cyclictest261-21systemd-journal21:55:002
981953991713,2cyclictest1155171-21cron22:00:011
981953991712,3cyclictest1222583-21sed23:05:161
981951991715,1cyclictest0-21swapper/000:10:110
981951991713,2cyclictest982654-21irqcore19:10:160
981962991615,0cyclictest0-21swapper/319:15:223
981962991614,1cyclictest0-21swapper/321:35:113
981957991614,1cyclictest0-21swapper/219:45:112
981957991613,2cyclictest1104977-21grep21:10:142
981957991613,1cyclictest1242716-21apt-get23:25:132
981957991611,3cyclictest1217379-21head23:00:142
981953991612,3cyclictest1169954-21unixbench_singl22:10:261
981953991612,3cyclictest1169954-21unixbench_singl22:10:251
981951991615,1cyclictest0-21swapper/022:05:110
981951991614,1cyclictest1-21systemd23:00:010
981951991613,2cyclictest62450irq/134-enp0s29f1:tx-019:50:160
981951991613,2cyclictest61650irq/133-enp0s29f1:rx-020:35:170
981951991613,2cyclictest61650irq/133-enp0s29f1:rx-000:05:160
981951991612,2cyclictest1032940-21cron20:00:000
981951991611,4cyclictest0-21swapper/023:49:590
98196299151,4cyclictest1309719-21hddtemp_smartct00:30:163
981962991512,2cyclictest982274-21cpuspeed_turbos19:10:123
981962991511,2cyclictest0-21swapper/323:00:103
98195799159,5cyclictest261-21systemd-journal19:29:552
981957991513,1cyclictest0-21swapper/200:00:122
981953991511,2cyclictest0-21swapper/121:50:121
98195199158,5cyclictest1186274-21apt-get22:30:120
981951991512,2cyclictest61650irq/133-enp0s29f1:rx-023:10:160
981951991511,3cyclictest61650irq/133-enp0s29f1:rx-020:10:230
98196299149,4cyclictest1289252-21tr00:10:163
98196299149,2cyclictest0-21swapper/319:55:123
981962991411,2cyclictest1201576-21cpuspeed_turbos22:45:143
981962991411,2cyclictest0-21swapper/321:40:123
981962991411,2cyclictest0-21swapper/320:05:123
981957991412,1cyclictest0-21swapper/221:35:122
981957991410,3cyclictest1252594-21cron23:35:022
981951991411,2cyclictest61650irq/133-enp0s29f1:rx-000:15:250
981951991411,2cyclictest1217328-21gltestperf23:00:130
981951991410,3cyclictest61650irq/133-enp0s29f1:rx-019:35:120
981962991310,2cyclictest1273601-21cpuspeed_turbos23:55:133
981962991310,2cyclictest1222385-21gltestperf23:05:163
981957991310,2cyclictest1033538-21gltestperf20:00:152
98195399139,2cyclictest1017944-21grep19:45:141
98195399135,6cyclictest261-21systemd-journal23:49:591
98195199131,3cyclictest261-21systemd-journal22:25:000
981951991311,2cyclictest61650irq/133-enp0s29f1:rx-021:15:140
981951991310,2cyclictest62450irq/134-enp0s29f1:tx-023:05:240
981951991310,2cyclictest61650irq/133-enp0s29f1:rx-020:50:170
98196299128,3cyclictest261-21systemd-journal21:59:563
98196299127,4cyclictest1103913-21sshd21:06:303
98195799129,2cyclictest987409-21cpuspeed_turbos19:15:242
98195799128,2cyclictest0-21swapper/200:35:162
98195399127,3cyclictest1309076-21munin-run00:30:001
98195399120,10cyclictest982063-21cat19:09:591
98196299117,3cyclictest491ktimers/321:10:123
98195799118,2cyclictest401ktimers/220:35:222
98195399116,3cyclictest0-21swapper/120:10:161
98196299107,2cyclictest1166084-21irqcore22:10:173
98196299107,2cyclictest1166084-21irqcore22:10:163
9819629991,7cyclictest1120044-21apt-get21:25:113
9819629984,3cyclictest981980-21cat19:10:003
9819579981,5cyclictest982079-21latency_hist19:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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