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2026-04-15 - 22:38
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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 100 highest latencies:
System rackeslot4.osadl.org (updated Wed Apr 15, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93321099271,24cyclictest261-21systemd-journal07:59:593
93320899262,3cyclictest1060385-21diskstats09:15:132
93320899261,21cyclictest0-21swapper/209:20:102
93320899261,20cyclictest1224284-21apt-get11:55:112
93320499261,21cyclictest1148191-21apt-get10:40:121
933201992624,1cyclictest1127500-21awk10:20:000
93321099252,3cyclictest1138003-21apt-get10:30:133
93321099252,21cyclictest1214148-21apt-get11:45:103
93321099252,21cyclictest1163459-21apt-get10:55:103
933210992521,2cyclictest953641-21apt-get07:30:113
93321099250,23cyclictest974365-21ps07:50:153
93320899252,20cyclictest1255598-21apt-get12:25:122
933208992520,3cyclictest1204039-21apt-get11:35:112
93320899251,21cyclictest1122657-21apt-get10:15:112
93320899250,22cyclictest944026-21grep07:20:152
93320499251,22cyclictest1188805-21apt-get11:20:111
93320499250,21cyclictest0-21swapper/111:45:111
93320199251,20cyclictest963771-21apt-get07:40:120
933210992421,2cyclictest481rcuc/309:55:213
933210992418,4cyclictest1224012-21idleruntime-cro11:55:003
93321099241,3cyclictest1178624-21apt-get11:10:133
93321099241,2cyclictest1158370-21apt-get10:50:113
93321099241,21cyclictest1207976-21ntpq11:35:213
93321099241,20cyclictest1070308-21apt-get09:25:113
93321099240,5cyclictest1184193-21cut11:15:143
93320899242,2cyclictest1034876-21apt-get08:50:102
933208992419,3cyclictest732-21lldpd07:30:102
933208992419,2cyclictest1234435-21apt-get12:05:112
93320899241,22cyclictest1044746-21sh09:00:002
93320899241,20cyclictest983991-21apt-get08:00:122
93320899241,20cyclictest0-21swapper/207:50:122
93320899241,20cyclictest0-21swapper/207:40:112
93320899240,21cyclictest1101679-21apt-config09:55:012
93320499241,2cyclictest1004178-21apt-get08:20:121
93320499241,19cyclictest0-21swapper/108:00:121
93320199242,20cyclictest1209108-21apt-get11:40:130
933201992420,3cyclictest1218089-21ntpq11:45:210
933201992420,2cyclictest1112103-21apt-get10:05:100
933201992419,4cyclictest983715-21idleruntime-cro08:00:000
93321099233,1cyclictest481rcuc/307:30:003
933210992321,1cyclictest481rcuc/310:25:203
933210992321,1cyclictest481rcuc/309:30:173
933210992320,2cyclictest1-21systemd10:20:003
933210992317,4cyclictest933918-21sort07:10:173
933210992314,7cyclictest998844-21cron08:14:593
93321099231,2cyclictest0-21swapper/309:45:113
93321099231,21cyclictest1192711-21ntpq11:20:193
93321099231,20cyclictest958718-21apt-get07:35:113
93321099230,3cyclictest1174060-21ps11:05:163
93321099230,3cyclictest1174060-21ps11:05:163
93321099230,3cyclictest1060726-21grep09:15:163
93321099230,2cyclictest1265749-21apt-get12:35:113
93321099230,21cyclictest1224788-21sed11:55:163
933208992319,2cyclictest1260649-21apt-get12:30:102
933208992319,2cyclictest0-21swapper/212:00:122
933208992318,3cyclictest0-21swapper/211:00:002
93320899230,21cyclictest1209598-21tr11:40:172
93320499232,1cyclictest1173578-21apt-get11:05:121
93320499232,1cyclictest1173578-21apt-get11:05:121
933204992319,2cyclictest0-21swapper/109:35:031
93320499231,2cyclictest1095376-21ntpq09:45:211
93320499231,19cyclictest933428-21apt-get07:10:111
93320499230,4cyclictest948314-21sh07:25:001
93320499230,20cyclictest1009213-21apt-get08:25:121
93320499230,20cyclictest0-21swapper/110:35:131
93320499230,20cyclictest0-21swapper/109:30:111
933201992320,2cyclictest999128-21apt-get08:15:120
933201992320,2cyclictest1024774-21apt-get08:40:120
933201992318,3cyclictest1096496-21apt-get09:50:110
93320199231,20cyclictest1102002-21apt-get09:55:110
93320199230,21cyclictest984492-21irqcore08:00:170
933210992219,2cyclictest943533-21apt-get07:20:123
933210992219,1cyclictest0-21swapper/312:25:013
933210992218,3cyclictest702-21runrttasks08:31:113
933210992217,4cyclictest0-21swapper/307:15:113
93321099221,3cyclictest1024774-21apt-get08:40:123
933210992212,4cyclictest0-21swapper/308:45:243
93321099220,3cyclictest1091120-21sed09:45:013
93321099220,2cyclictest1121956-21cron10:15:003
93321099220,2cyclictest0-21swapper/309:50:123
93321099220,20cyclictest968556-21latency_hist07:44:593
933208992219,2cyclictest64-21kcompactd010:03:042
933208992219,2cyclictest1148691-21grep10:40:162
933208992219,2cyclictest0-21swapper/210:10:112
933208992219,2cyclictest0-21swapper/208:40:002
933208992219,2cyclictest0-21swapper/208:10:102
933208992219,1cyclictest0-21swapper/211:00:142
933208992219,1cyclictest0-21swapper/207:35:112
933208992218,2cyclictest979422-21ps07:55:162
93320899221,2cyclictest0-21swapper/212:23:232
93320899221,2cyclictest0-21swapper/209:45:032
93320899221,20cyclictest0-21swapper/211:23:102
93320899220,2cyclictest938482-21modprobe07:15:112
93320899220,2cyclictest1244375-21apt-config12:15:002
93320899220,2cyclictest1128703-21sed10:20:142
93320899220,20cyclictest0-21swapper/208:40:132
93320899220,19cyclictest0-21swapper/209:25:112
933204992219,2cyclictest1045014-21apt-get09:00:111
933204992219,1cyclictest1239255-21idleruntime-cro12:10:001
933204992218,2cyclictest999118-21cat08:15:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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