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2026-08-24 - 21:28
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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 Mon Aug 24, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
124472999290,18cyclictest1265365-21idleruntime-cro07:30:012
124472599261,5cyclictest1464574-21sshd10:40:191
124472999250,1cyclictest0-21swapper/208:45:002
124472599252,21cyclictest1307025-21apt-get08:10:141
124472599251,5cyclictest0-21swapper/111:05:171
124472599251,3cyclictest1301980-21apt-get08:05:131
124472599251,22cyclictest1558167-21apt-get12:15:121
1244731992420,2cyclictest1578445-21apt-get12:35:133
124473199241,20cyclictest1548055-21apt-get12:05:133
124473199240,4cyclictest1-21systemd08:49:593
124472599242,2cyclictest1409779-21apt-get09:50:131
1244725992421,2cyclictest0-21swapper/109:15:161
1244725992420,2cyclictest1497266-21apt-get11:15:131
124472599241,3cyclictest1542987-21apt-get12:00:141
124472599241,3cyclictest1542987-21apt-get12:00:131
124472599241,21cyclictest1496991-21sh11:14:591
124472599241,21cyclictest1404079-21cat09:45:001
124472599241,21cyclictest1332401-21cat08:34:591
124472599241,21cyclictest1291790-21apt-get07:55:121
124472599240,4cyclictest1266111-21irqcore07:30:141
124472599240,22cyclictest1286086-21dpkg07:50:001
124472299242,20cyclictest1363658-21apt-get09:05:120
124472299242,20cyclictest1255487-21apt-get07:20:130
1244731992320,2cyclictest1332724-21apt-get08:35:123
1244731992320,2cyclictest0-21swapper/307:50:013
1244731992319,2cyclictest1326095-21ntpq08:25:223
124473199231,2cyclictest1389006-21apt-get09:30:123
124473199231,20cyclictest1487062-21apt-get11:05:133
124473199230,22cyclictest1348106-21awk08:50:003
124473199230,21cyclictest1481552-21apt-key11:00:013
124473199230,20cyclictest0-21swapper/309:55:133
1244729992320,2cyclictest1275924-21idleruntime-cro07:40:012
1244729992319,1cyclictest1563214-21apt-get12:20:112
124472999230,21cyclictest1532783-21runrttasks11:50:122
124472599234,18cyclictest0-21swapper/110:30:231
1244725992320,2cyclictest311ktimers/109:40:001
1244725992320,2cyclictest1522611-21apt-get11:40:121
1244725992318,3cyclictest0-21swapper/110:25:121
124472599231,2cyclictest0-21swapper/109:25:121
124472599231,2cyclictest0-21swapper/109:25:121
124472599231,2cyclictest0-21swapper/109:20:111
124472599231,2cyclictest0-21swapper/109:05:121
124472599231,20cyclictest0-21swapper/112:20:111
124472599231,20cyclictest0-21swapper/107:50:101
124472599231,1cyclictest0-21swapper/111:30:121
124472599230,3cyclictest1333214-21irqcore08:35:161
124472299232,2cyclictest1342885-21apt-get08:45:130
1244722992320,2cyclictest1435515-21apt-get10:15:100
1244722992319,2cyclictest1537894-21apt-get11:55:130
1244722992319,2cyclictest1414870-21apt-get09:55:130
124472299231,20cyclictest1481991-21apt-get11:00:130
124472299231,20cyclictest1296628-21munin-run08:00:010
1244731992220,1cyclictest1399197-21apt-get09:40:133
1244731992219,1cyclictest0-21swapper/308:15:133
124473199221,2cyclictest3777322-21systemd-journal08:00:013
1244731992212,9cyclictest1522347-21turbostat11:44:563
124473199221,1cyclictest64-21kcompactd008:22:583
124473199221,1cyclictest1532778-21apt-get11:50:123
124473199220,2cyclictest1250934-21grep07:15:143
124473199220,19cyclictest0-21swapper/309:25:123
124473199220,19cyclictest0-21swapper/309:25:123
124473199220,19cyclictest0-21swapper/309:00:113
124472999229,3cyclictest191rcu_preempt07:40:162
124472999222,1cyclictest1512472-21apt-get11:30:112
1244729992219,2cyclictest1487552-21irqcore11:05:172
1244729992219,2cyclictest1346865-21ntpq08:45:222
1244729992219,2cyclictest1-21systemd07:35:002
124472999221,20cyclictest1281251-21apt-get07:45:122
124472999220,21cyclictest1502839-21runrttasks11:20:162
1244725992219,2cyclictest0-21swapper/111:35:121
1244725992219,1cyclictest0-21swapper/108:15:111
1244725992218,2cyclictest1568283-21apt-get12:25:121
1244725992218,2cyclictest1424674-21cron10:05:001
1244725992218,2cyclictest0-21swapper/107:10:131
1244725992217,1cyclictest191rcu_preempt08:40:171
124472599221,20cyclictest0-21swapper/111:50:121
124472599220,3cyclictest32-21ksoftirqd/110:20:121
124472599220,2cyclictest0-21swapper/112:32:561
124472599220,2cyclictest0-21swapper/107:37:481
124472599220,2cyclictest0-21swapper/107:20:121
124472599220,21cyclictest0-21swapper/110:10:121
124472599220,21cyclictest0-21swapper/109:00:121
124472599220,20cyclictest0-21swapper/112:35:131
124472599220,20cyclictest0-21swapper/112:05:121
124472599220,20cyclictest0-21swapper/111:25:121
124472599220,1cyclictest301rcuc/110:35:111
1244722992219,2cyclictest1358544-21apt-get09:00:120
124472299221,20cyclictest1383937-21apt-get09:25:120
124472299221,20cyclictest1383937-21apt-get09:25:120
124472299221,20cyclictest0-21swapper/010:30:130
124472299221,1cyclictest1244946-21apt-get07:10:130
124472299220,2cyclictest0-21swapper/008:10:130
124472299220,21cyclictest1558656-21sed12:15:170
124472299220,21cyclictest1389493-21sed09:30:160
124472299220,21cyclictest0-21swapper/012:05:130
124472299220,1cyclictest0-21swapper/011:50:120
124472299220,19cyclictest0-21swapper/012:04:280
124472299220,19cyclictest0-21swapper/012:04:270
1244731992119,1cyclictest64-21kcompactd011:25:443
1244731992119,1cyclictest0-21swapper/312:00:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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