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2026-05-13 - 11:55
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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 all highest latencies:
System rackeslot4.osadl.org (updated Wed May 13, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75261499291,21cyclictest870225-21apt-get21:05:110
752614992817,10cyclictest0-21swapper/022:05:000
752614992813,2cyclictest0-21swapper/019:55:010
75261499281,20cyclictest1083886-21apt-get00:35:120
752622992721,3cyclictest860092-21apt-get20:55:113
75261499270,20cyclictest64-21kcompactd020:19:570
75261499270,1cyclictest0-21swapper/023:45:110
75262299262,3cyclictest804389-21apt-get20:00:113
75262299262,21cyclictest762996-21apt-get19:20:133
752622992619,4cyclictest931573-21apt-get22:05:123
75261999261,23cyclictest1047650-21cron00:00:012
75261699262,22cyclictest910984-21apt-get21:45:121
75261699261,21cyclictest752837-21apt-get19:10:111
752614992618,7cyclictest0-21swapper/021:45:220
75261499260,1cyclictest0-21swapper/022:25:120
75262299252,3cyclictest977130-21apt-get22:50:123
75262299252,3cyclictest1047930-21apt-get00:00:123
752622992520,3cyclictest768489-21apt-get19:25:133
75262299251,4cyclictest1068091-21taskset00:17:023
75262299251,21cyclictest1084376-21sort00:35:163
75262299251,21cyclictest1073671-21apt-get00:25:143
75262299251,20cyclictest0-21swapper/321:20:103
75261699252,20cyclictest1078747-21apt-get00:30:141
75261699251,21cyclictest0-21swapper/121:35:011
75261699251,20cyclictest0-21swapper/100:05:121
752614992514,10cyclictest844615-21cron20:40:000
752614992513,11cyclictest61650irq/133-enp0s29f1:rx-020:55:110
752614992510,4cyclictest261-21systemd-journal20:00:010
75261499250,20cyclictest0-21swapper/022:50:120
75262299242,2cyclictest1037837-21apt-get23:50:123
75262299242,2cyclictest1037837-21apt-get23:50:123
752622992417,5cyclictest0-21swapper/320:20:003
75262299241,3cyclictest905952-21apt-get21:40:103
75262299241,3cyclictest814241-21sh20:10:003
75262299241,20cyclictest992358-21apt-get23:05:113
75262299240,20cyclictest0-21swapper/322:30:103
75261999242,2cyclictest941680-21apt-get22:15:112
752619992420,2cyclictest996260-21ntpq23:05:202
752619992420,2cyclictest961967-21apt-get22:35:132
75261999241,20cyclictest0-21swapper/222:40:132
75261999241,20cyclictest0-21swapper/220:05:122
75261699242,2cyclictest1027735-21apt-get23:40:121
75261699241,4cyclictest930893-21munin-run22:05:001
75261699241,3cyclictest916013-21apt-get21:50:121
75261699241,20cyclictest0-21swapper/122:20:121
75261699241,20cyclictest0-21swapper/122:05:111
75261699240,22cyclictest1064060-21grep00:15:171
75261699240,20cyclictest0-21swapper/121:55:121
752614992418,5cyclictest0-21swapper/020:00:160
752614992417,6cyclictest64-21kcompactd023:05:000
752614992417,5cyclictest809438-21apt-get20:05:110
75261499241,21cyclictest997414-21apt-get23:10:140
75261499241,21cyclictest849962-21apt-get20:45:110
75261499241,21cyclictest1017651-21apt-get23:30:120
75261499240,23cyclictest0-21swapper/019:40:100
752622992319,2cyclictest794232-21apt-get19:50:133
752622992319,2cyclictest0-21swapper/319:45:113
752622992318,3cyclictest900542-21grep21:35:013
752622992318,3cyclictest865175-21apt-get21:00:123
75262299231,2cyclictest844888-21apt-get20:40:143
75262299230,20cyclictest0-21swapper/321:50:123
752619992319,2cyclictest890424-21apt-get21:25:122
752619992319,2cyclictest1002165-21cron23:15:002
752619992318,4cyclictest987040-21apt23:00:002
75261999231,2cyclictest819569-21apt-get20:15:112
75261999230,22cyclictest1042020-21/usr/sbin/munin23:50:242
75261999230,22cyclictest1042020-21/usr/sbin/munin23:50:242
75261999230,19cyclictest0-21swapper/221:30:132
752616992320,2cyclictest972053-21apt-get22:45:121
752616992320,2cyclictest779002-21apt-get19:35:121
752616992319,2cyclictest845390-21cut20:40:181
75261699231,2cyclictest784067-21apt-get19:40:101
75261699231,20cyclictest0-21swapper/119:30:121
75261699231,19cyclictest0-21swapper/100:10:151
75261699230,20cyclictest0-21swapper/120:30:101
75261699230,19cyclictest0-21swapper/121:40:111
75261699230,19cyclictest0-21swapper/119:55:111
75261499238,5cyclictest261-21systemd-journal21:55:000
75261499232,1cyclictest875264-21apt-get21:10:150
752614992320,2cyclictest885367-21apt-get21:20:100
752614992319,2cyclictest0-21swapper/022:40:000
752614992318,4cyclictest0-21swapper/000:24:010
752614992317,4cyclictest839554-21cron20:34:590
75261499231,2cyclictest936628-21apt-get22:10:120
75261499231,2cyclictest855017-21apt-get20:50:130
75261499231,2cyclictest824649-21apt-get20:20:120
752614992312,3cyclictest61650irq/133-enp0s29f1:rx-023:55:190
752614992312,2cyclictest61650irq/133-enp0s29f1:rx-022:00:000
75261499230,22cyclictest869948-21cron21:05:000
752622992218,2cyclictest946737-21apt-get22:20:123
752622992218,2cyclictest0-21swapper/323:35:123
752622992218,2cyclictest0-21swapper/321:05:113
752622992217,2cyclictest0-21swapper/323:45:133
75262299221,2cyclictest0-21swapper/323:41:333
75262299221,2cyclictest0-21swapper/319:10:113
75262299221,1cyclictest0-21swapper/323:15:133
75262299221,19cyclictest0-21swapper/300:10:163
75262299220,3cyclictest0-21swapper/321:55:113
75262299220,2cyclictest840317-21grep20:35:153
75262299220,2cyclictest0-21swapper/323:30:113
75262299220,2cyclictest0-21swapper/319:35:123
752619992220,1cyclictest0-21swapper/200:15:122
752619992219,2cyclictest843753-21ntpq20:35:202
752619992219,1cyclictest0-21swapper/200:25:142
752619992218,2cyclictest951791-21apt-get22:25:122
752619992217,3cyclictest804157-21runrttasks20:00:012
75261999221,2cyclictest900906-21apt-get21:35:122
75261999221,2cyclictest1088686-21cron00:40:002
75261999221,2cyclictest0-21swapper/221:50:112
75261999220,2cyclictest874091-21/usr/sbin/munin21:05:192
75261999220,19cyclictest0-21swapper/220:30:092
752616992219,2cyclictest64-21kcompactd023:24:531
752616992219,2cyclictest0-21swapper/122:40:131
752616992218,3cyclictest0-21swapper/121:00:121
75261699221,1cyclictest0-21swapper/120:15:111
75261699221,1cyclictest0-21swapper/120:01:401
75261699220,19cyclictest0-21swapper/100:20:121
752614992218,3cyclictest1078479-21sh00:30:000
752614992218,3cyclictest0-21swapper/021:40:030
752614992212,2cyclictest61650irq/133-enp0s29f1:rx-021:30:130
75261499221,1cyclictest1022705-21apt-get23:35:120
752614992210,2cyclictest763344-21gltestperf19:20:160
75261499220,3cyclictest1057887-21unin-run00:10:000
75261499220,20cyclictest0-21swapper/019:10:120
75261499220,19cyclictest0-21swapper/022:40:130
752622992119,1cyclictest0-21swapper/300:30:223
752622992118,2cyclictest0-21swapper/323:10:133
752622992118,2cyclictest0-21swapper/320:45:123
752622992118,1cyclictest0-21swapper/322:25:113
752622992117,3cyclictest9299782sleep322:00:213
75262299211,19cyclictest0-21swapper/321:25:203
75262299210,2cyclictest64-21kcompactd000:24:333
75262299210,20cyclictest986184-21ntpq22:55:223
75262299210,20cyclictest0-21swapper/320:12:253
75262299210,20cyclictest0-21swapper/319:43:233
75262299210,1cyclictest64-21kcompactd019:16:313
752619992119,1cyclictest1063280-21cron00:15:012
752619992118,1cyclictest1026612-21ntpq23:35:212
752619992116,4cyclictest981975-21basename22:55:002
75261999211,18cyclictest0-21swapper/220:50:122
75261999210,2cyclictest808311-21ntpq20:00:202
75261999210,20cyclictest64-21kcompactd000:01:262
75261999210,20cyclictest1057883-21apt-config00:10:002
75261999210,1cyclictest0-21swapper/221:55:122
75261999210,19cyclictest951396-21chrt22:23:362
75261999210,19cyclictest0-21swapper/222:45:122
75261999210,19cyclictest0-21swapper/221:10:152
752616992119,1cyclictest0-21swapper/119:52:001
752616992118,2cyclictest871177-21kthreadcore21:05:161
752616992118,2cyclictest839831-21apt-get20:35:111
752616992118,2cyclictest0-21swapper/123:30:001
752616992118,2cyclictest0-21swapper/121:15:001
752616992117,3cyclictest957817-21kthreadcore22:30:151
752616992117,2cyclictest829459-21latency_hist20:25:001
752616992117,2cyclictest0-21swapper/100:35:121
752616992116,3cyclictest884245-21ntpq21:15:231
752616992116,3cyclictest884245-21ntpq21:15:231
75261699210,20cyclictest0-21swapper/120:05:121
752614992119,1cyclictest1083214-21sshd00:30:390
752614992119,1cyclictest0-21swapper/021:35:110
752614992117,3cyclictest0-21swapper/019:35:120
752614992117,2cyclictest834512-21sh20:30:000
75261499210,20cyclictest757901-21apt-get19:15:120
75261499210,20cyclictest0-21swapper/022:55:120
752622992018,1cyclictest0-21swapper/323:00:143
752622992018,1cyclictest0-21swapper/320:51:083
752622992017,2cyclictest0-21swapper/323:55:163
752622992017,2cyclictest0-21swapper/323:20:123
752622992017,2cyclictest0-21swapper/321:15:133
752622992017,2cyclictest0-21swapper/321:15:123
752622992017,1cyclictest0-21swapper/320:20:123
752622992016,2cyclictest778748-21munin-run19:35:013
752622992014,3cyclictest1053028-21apt-get00:05:123
75262299200,1cyclictest0-21swapper/322:45:123
75262299200,1cyclictest0-21swapper/322:10:123
75262299200,19cyclictest0-21swapper/321:49:443
752619992018,1cyclictest0-21swapper/221:21:472
752619992018,1cyclictest0-21swapper/220:45:452
752619992018,1cyclictest0-21swapper/220:10:142
752619992016,2cyclictest0-21swapper/219:15:132
75261999200,3cyclictest1032516-21ls23:45:002
75261999200,1cyclictest794732-21grep19:50:172
75261999200,1cyclictest0-21swapper/223:45:132
75261999200,1cyclictest0-21swapper/222:30:102
75261999200,1cyclictest0-21swapper/222:04:472
75261999200,1cyclictest0-21swapper/221:40:112
75261999200,1cyclictest0-21swapper/219:50:002
75261999200,1cyclictest0-21swapper/219:35:122
75261999200,1cyclictest0-21swapper/219:10:112
752616992018,1cyclictest0-21swapper/123:15:131
752616992018,1cyclictest0-21swapper/122:17:091
752616992017,2cyclictest1052753-21cron00:05:001
752616992017,2cyclictest0-21swapper/123:00:151
752616992016,2cyclictest0-21swapper/123:05:111
75261699200,1cyclictest0-21swapper/122:55:511
75261699200,1cyclictest0-21swapper/122:25:111
75261699200,1cyclictest0-21swapper/120:25:121
75261699200,1cyclictest0-21swapper/119:15:121
75261699200,19cyclictest0-21swapper/123:11:591
752614992018,1cyclictest0-21swapper/021:25:130
752614992018,1cyclictest0-21swapper/020:10:130
75261499200,1cyclictest0-21swapper/023:50:120
75261499200,1cyclictest0-21swapper/023:50:120
75261499200,1cyclictest0-21swapper/023:19:310
75261499200,1cyclictest0-21swapper/022:20:120
75261499200,1cyclictest0-21swapper/022:16:040
75261499200,1cyclictest0-21swapper/021:15:130
75261499200,1cyclictest0-21swapper/021:15:130
75261499200,1cyclictest0-21swapper/000:15:130
75261499200,19cyclictest0-21swapper/000:00:120
75262299190,1cyclictest0-21swapper/322:40:213
75262299190,19cyclictest0-21swapper/321:10:213
752619991918,1cyclictest0-21swapper/222:05:192
752619991917,1cyclictest0-21swapper/221:00:122
752619991917,1cyclictest0-21swapper/200:20:162
752619991915,2cyclictest880313-21apt-get21:15:132
752619991915,2cyclictest880313-21apt-get21:15:122
752616991917,1cyclictest0-21swapper/123:30:211
752616991917,1cyclictest0-21swapper/122:50:121
752616991916,1cyclictest0-21swapper/120:45:111
752616991915,2cyclictest1074169-21grep00:25:171
752616991914,3cyclictest814896-21/usr/sbin/munin20:10:171
752614991917,1cyclictest0-21swapper/023:40:110
752614991917,1cyclictest0-21swapper/023:20:210
75261499191,2cyclictest956867-21apt-get22:30:100
752622991816,1cyclictest0-21swapper/319:55:453
752622991815,2cyclictest1-21systemd21:40:003
752622991813,3cyclictest835069-21gltestperf20:30:143
752619991816,1cyclictest0-21swapper/219:40:092
752619991815,2cyclictest776169-21kthreadcore19:30:172
752619991815,1cyclictest0-21swapper/220:40:132
752616991816,1cyclictest0-21swapper/120:55:111
752616991815,1cyclictest0-21swapper/120:50:131
752622991713,2cyclictest0-21swapper/320:25:133
752619991715,1cyclictest0-21swapper/223:25:132
752619991715,1cyclictest0-21swapper/221:45:222
752619991715,1cyclictest0-21swapper/220:22:072
752619991713,2cyclictest987389-21cpuspeed_turbos23:00:152
752616991714,2cyclictest1043351-21ps23:55:151
752616991711,5cyclictest261-21systemd-journal19:25:011
752614991715,1cyclictest0-21swapper/023:05:110
752614991715,1cyclictest0-21swapper/022:45:120
752614991715,1cyclictest0-21swapper/022:05:110
752614991714,2cyclictest1058532-21apt-get00:10:150
752614991713,3cyclictest61650irq/133-enp0s29f1:rx-019:25:140
752622991614,1cyclictest0-21swapper/323:25:123
752616991614,1cyclictest64-21kcompactd021:25:001
752616991612,3cyclictest768859-21gltestperf19:25:161
752614991614,1cyclictest789159-21apt-get19:45:100
752614991614,1cyclictest0-21swapper/020:40:130
752614991611,3cyclictest1017402-21idleruntime-cro23:30:000
752619991513,1cyclictest0-21swapper/220:55:112
752619991511,3cyclictest767364-21unixbench_singl19:20:262
752619991510,4cyclictest936790-21taskset22:10:142
752616991511,3cyclictest789659-21sed19:45:141
752616991511,3cyclictest0-21swapper/122:40:001
752619991411,2cyclictest830089-21gltestperf20:25:162
752619991410,2cyclictest1022030-21unixbench_singl23:30:252
752616991413,0cyclictest0-21swapper/121:35:111
75261499149,3cyclictest0-21swapper/019:35:000
75261999139,3cyclictest1011809-21grep23:20:252
75261999137,5cyclictest772373-21ntpq19:25:212
75261699139,3cyclictest1042139-21unixbench_multi23:50:251
75261699139,3cyclictest1042139-21unixbench_multi23:50:251
752616991310,2cyclictest890773-21gltestperf21:25:161
752616991310,2cyclictest0-21swapper/123:35:121
75262299129,1cyclictest0-21swapper/322:15:113
752622991210,1cyclictest0-21swapper/322:35:123
75261699120,3cyclictest941417-21latency_hist22:15:011
75261999118,2cyclictest0-21swapper/223:15:242
75261699107,2cyclictest0-21swapper/119:10:011
7526229971,3cyclictest0-21swapper/319:10:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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