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2026-09-24 - 01:39
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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 Sep 23, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
105219699331,21cyclictest3777322-21systemd-journal08:04:590
105219699330,3cyclictest1365735-21/usr/sbin/munin12:15:110
105219699311,28cyclictest1078204-21apt-get07:35:120
105219699301,2cyclictest0-21swapper/010:10:150
1052196992918,9cyclictest1-21systemd11:10:010
105219699291,2cyclictest1057926-21apt-get07:15:120
1052203992825,2cyclictest509-21systemd-logind10:00:002
105219699282,21cyclictest1170392-21apt-get09:05:130
105219699281,2cyclictest1216117-21apt-get09:50:150
105220699261,22cyclictest1298987-21apt-get11:10:173
105220399261,21cyclictest1155135-21apt-get08:50:132
1052196992613,11cyclictest1145480-21ps08:40:160
105219699261,22cyclictest1375900-21apt-get12:25:120
105219699260,20cyclictest64-21kcompactd008:51:260
1052206992521,3cyclictest1252084-21apt-get10:25:123
1052206992520,3cyclictest1073135-21apt-get07:30:133
1052206992519,4cyclictest1088091-21cron07:45:003
105220699251,4cyclictest1226814-21grep10:00:173
105220199251,21cyclictest1088365-21apt-get07:45:121
105220199251,21cyclictest1088365-21apt-get07:45:111
1052196992522,2cyclictest0-21swapper/010:20:000
1052196992519,5cyclictest0-21swapper/010:51:560
105219699251,4cyclictest1375636-21idleruntime-cro12:25:010
105219699251,23cyclictest1195817-21apt-get09:30:140
105219699250,24cyclictest64-21kcompactd011:21:270
105219699250,24cyclictest0-21swapper/008:45:110
105219699250,24cyclictest0-21swapper/008:14:530
105219699250,1cyclictest0-21swapper/007:59:170
1052206992420,2cyclictest1304048-21apt-get11:15:133
105220699241,20cyclictest1324325-21apt-get11:35:133
105220699241,20cyclictest1124717-21apt-get08:20:113
105220699241,20cyclictest0-21swapper/311:40:133
105220699240,21cyclictest1272951-21apt-get10:45:033
105220699240,21cyclictest1099010-21ps07:55:173
105220399242,2cyclictest1114132-21apt-get08:10:132
1052203992420,2cyclictest1098527-21apt-get07:55:132
1052203992419,4cyclictest1373048-21ps12:20:182
1052203992418,5cyclictest1308842-21cron11:20:002
105220399241,21cyclictest3777322-21systemd-journal09:45:002
105220399241,21cyclictest1277562-21ntpq10:45:212
105220399241,20cyclictest0-21swapper/211:00:112
105220399240,20cyclictest0-21swapper/209:50:152
105220399240,20cyclictest0-21swapper/207:35:112
105220199241,3cyclictest1235245-21ntpq10:05:191
105220199241,3cyclictest1189660-21ntpq09:20:231
105219699242,21cyclictest1257158-21apt-get10:30:160
105219699242,20cyclictest1226316-21apt-get10:00:130
1052196992420,2cyclictest1190745-21apt-get09:25:120
1052196992418,5cyclictest1221223-21apt-get09:55:120
1052196992418,4cyclictest3777322-21systemd-journal11:00:000
105219699241,4cyclictest1256896-21idleruntime-cro10:30:000
1052196992413,10cyclictest509-21systemd-logind08:30:010
105219699241,2cyclictest1165318-21apt-get09:00:120
105219699241,21cyclictest1386557-21apt-get12:35:110
105219699241,21cyclictest1134839-21apt-get08:30:130
105219699240,3cyclictest1288871-21taskset11:00:110
105219699240,23cyclictest1-21systemd10:45:000
1052206992319,2cyclictest1339551-21apt-get11:50:163
1052206992319,2cyclictest1191696-21kthreadcore09:25:173
1052206992317,5cyclictest1119348-21sed08:15:013
105220699231,3cyclictest1150068-21taskset08:45:103
105220699231,2cyclictest1278726-21apt-get10:50:153
105220699231,2cyclictest1129768-21apt-get08:25:123
105220699231,2cyclictest0-21swapper/312:35:163
105220699231,2cyclictest0-21swapper/308:30:123
105220699230,21cyclictest1160711-21irqcore08:55:193
105220699230,20cyclictest0-21swapper/312:25:123
1052203992320,2cyclictest1215862-21idleruntime-cro09:50:002
1052203992319,2cyclictest0-21swapper/207:20:112
105220399231,21cyclictest1161179-21sed08:55:202
105220399231,19cyclictest0-21swapper/208:20:112
105220399230,21cyclictest1334954-21ps11:45:152
105220399230,20cyclictest0-21swapper/211:50:172
105220399230,20cyclictest0-21swapper/211:40:132
105220399230,20cyclictest0-21swapper/210:30:172
1052201992319,3cyclictest1221712-21tr09:55:161
1052201992319,2cyclictest1355195-21apt-get12:05:111
1052201992319,2cyclictest1241228-21sh10:15:001
105220199231,2cyclictest1057273-21unin-run07:15:001
105220199231,2cyclictest0-21swapper/112:15:211
105220199231,20cyclictest1334199-21sh11:44:591
105220199230,20cyclictest0-21swapper/111:00:121
105220199230,20cyclictest0-21swapper/110:25:121
105220199230,20cyclictest0-21swapper/108:50:131
105219699232,2cyclictest1329405-21apt-get11:40:130
1052196992319,2cyclictest1093457-21apt-get07:50:120
1052196992317,5cyclictest0-21swapper/007:20:340
1052206992218,2cyclictest1185655-21apt-get09:20:133
105220699221,1cyclictest0-21swapper/311:05:113
105220699220,20cyclictest1057225-21cron07:15:003
105220699220,19cyclictest1063021-21apt-get07:20:113
1052203992219,2cyclictest1150562-21grep08:45:142
1052203992219,2cyclictest0-21swapper/210:35:132
1052203992219,2cyclictest0-21swapper/209:35:132
1052203992219,1cyclictest1345060-21apt-get11:55:112
1052203992219,1cyclictest0-21swapper/211:25:112
1052203992218,3cyclictest1366249-21irqcore12:15:162
1052203992218,2cyclictest1139933-21seq08:35:132
105220399221,1cyclictest0-21swapper/210:50:152
105220399221,1cyclictest0-21swapper/209:00:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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