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2025-12-31 - 13:44
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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 Dec 31, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1140772992920,8cyclictest1272880-21apt-get21:20:120
114077599271,21cyclictest0-21swapper/100:10:121
114077299271,6cyclictest1196372-21cron20:05:000
114078099262,21cyclictest1237125-21apt-get20:45:152
1140772992618,7cyclictest0-21swapper/021:35:130
114078399252,20cyclictest1293561-21apt-get21:40:123
114078099251,21cyclictest1247630-21apt-get20:55:142
114077599252,3cyclictest1171386-21apt-get19:40:141
114077599251,3cyclictest1278457-21sed21:25:171
114077299251,22cyclictest1389688-21apt-get23:15:120
114078399241,20cyclictest1252659-21apt-get21:00:123
114078399241,20cyclictest0-21swapper/322:45:173
114078099241,20cyclictest0-21swapper/219:15:112
1140775992421,2cyclictest1155938-21turbostat.cron19:24:591
1140775992420,2cyclictest32-21ksoftirqd/100:25:131
1140775992420,2cyclictest1232071-21apt-get20:40:131
1140775992419,3cyclictest1359253-21apt-get22:45:131
114077599241,3cyclictest1334020-21apt-get22:20:121
114077599241,21cyclictest1425584-21apt-get23:50:131
114077599241,21cyclictest0-21swapper/121:05:111
114077599240,4cyclictest1192074-21grep20:00:171
114077599240,3cyclictest1256648-21tr21:00:231
114077599240,3cyclictest1166789-21ps19:35:151
1140772992420,2cyclictest1328965-21apt-get22:15:130
114077299241,21cyclictest1181491-21apt-get19:50:130
114077299241,21cyclictest1181211-21cron19:50:000
114077299240,4cyclictest1282769-21http21:30:010
1140783992319,2cyclictest0-21swapper/300:15:183
1140783992318,4cyclictest1267552-21idleruntime-cro21:15:013
114078399231,2cyclictest1211835-21apt-get20:20:123
114078399231,2cyclictest1211835-21apt-get20:20:113
114078099233,19cyclictest1420229-21munin-run23:45:012
1140780992320,2cyclictest1435799-21apt-get00:00:142
1140780992319,2cyclictest1471414-21apt-get00:35:132
1140780992319,2cyclictest1277958-21apt-get21:25:132
114078099231,2cyclictest1206759-21apt-get20:15:142
114078099231,2cyclictest1176460-21apt-get19:45:142
114078099231,20cyclictest1410378-21apt-get23:35:132
114078099230,22cyclictest1328688-21cron22:15:002
114078099230,21cyclictest2875-21cron22:45:002
114078099230,20cyclictest0-21swapper/221:15:122
114078099230,20cyclictest0-21swapper/220:00:132
114077599231,3cyclictest1241895-21/usr/sbin/munin20:50:011
114077599231,20cyclictest0-21swapper/100:15:141
114077599230,21cyclictest1374199-21munin-run23:00:001
1140772992320,2cyclictest1359253-21apt-get22:45:130
1140772992320,2cyclictest1262509-21dump-pmu-power21:10:010
1140772992319,2cyclictest1349155-21apt-get22:35:100
114077299231,2cyclictest1267821-21apt-get21:15:120
114077299231,2cyclictest1201704-21apt-get20:10:120
114077299231,2cyclictest1161231-21apt-get19:30:130
114077299231,21cyclictest1369390-21apt-get22:55:130
114077299231,20cyclictest1354189-21apt-get22:40:120
114077299231,20cyclictest1221693-21cron20:30:000
114077299230,21cyclictest1314295-21tr22:00:170
1140783992219,2cyclictest1368248-21ntpq22:50:223
1140783992219,1cyclictest1410340-21apt-get23:35:023
1140783992219,1cyclictest0-21swapper/320:15:143
1140783992219,1cyclictest0-21swapper/319:30:133
1140783992218,3cyclictest1191302-21awk20:00:003
1140783992218,2cyclictest1461715-21tr00:25:193
114078399220,2cyclictest1318884-21taskset22:05:123
114078399220,20cyclictest1160952-21cron19:30:003
114078399220,19cyclictest0-21swapper/322:40:123
1140780992219,1cyclictest0-21swapper/200:25:142
1140780992218,2cyclictest0-21swapper/222:20:122
114078099221,1cyclictest0-21swapper/220:40:142
114078099220,19cyclictest0-21swapper/223:00:132
1140775992219,2cyclictest1323914-21apt-get22:10:151
1140775992219,2cyclictest0-21swapper/123:00:131
1140775992218,2cyclictest1471414-21apt-get00:35:131
1140775992218,2cyclictest1415423-21apt-get23:40:131
1140775992214,6cyclictest1409824-21latency_hist23:35:001
114077599221,20cyclictest1227039-21apt-get20:35:111
114077599220,21cyclictest0-21swapper/121:15:121
114077599220,21cyclictest0-21swapper/120:15:141
1140772992219,2cyclictest1175478-21/usr/sbin/munin19:40:260
1140772992219,2cyclictest0-21swapper/022:05:130
1140772992219,2cyclictest0-21swapper/020:30:140
1140772992218,3cyclictest1304217-21tr21:50:160
114077299221,2cyclictest0-21swapper/019:15:110
114077299221,20cyclictest1242579-21apt-get20:50:120
114077299221,1cyclictest1440866-21apt-get00:05:120
114077299220,2cyclictest0-21swapper/023:00:130
114077299220,20cyclictest0-21swapper/021:55:130
1140783992118,2cyclictest0-21swapper/320:10:133
1140783992117,2cyclictest1176949-21grep19:45:183
1140783992116,4cyclictest1217374-21irqcore20:25:173
1140783992116,3cyclictest1181494-21taskset19:50:123
114078399211,19cyclictest0-21swapper/322:55:143
114078399210,20cyclictest1384593-21/usr/sbin/munin23:10:213
114078399210,19cyclictest0-21swapper/323:05:133
114078399210,19cyclictest0-21swapper/322:00:133
114078399210,19cyclictest0-21swapper/320:40:133
114078399210,19cyclictest0-21swapper/300:20:143
1140780992119,1cyclictest0-21swapper/222:45:132
1140780992119,1cyclictest0-21swapper/221:45:142
1140780992118,1cyclictest0-21swapper/200:20:132
1140780992117,2cyclictest1257713-21apt-get21:05:122
114078099211,1cyclictest0-21swapper/220:35:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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