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2025-12-06 - 16:30
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Sat Dec 06, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1538264993524,9cyclictest0-21swapper/309:45:173
153826499340,23cyclictest1605878-21cut08:15:183
153826499310,3cyclictest1888660-21/usr/sbin/munin12:10:233
1538264992926,2cyclictest491ktimers/311:25:493
1538264992919,3cyclictest1692667-21apt-get09:35:133
153825899290,22cyclictest1831964-21awk11:25:001
1538264992820,2cyclictest1680114-21apt-get09:25:123
1538258992820,2cyclictest1673787-21apt-get09:20:111
153825899272,22cyclictest1838512-21apt-get11:30:131
153825899272,22cyclictest1838512-21apt-get11:30:131
153826499262,21cyclictest1882424-21apt-get12:05:143
153826099260,23cyclictest1680077-21taskset09:25:102
153826099260,22cyclictest1718083-21ssh09:55:122
153825899261,2cyclictest0-21swapper/108:45:151
153825899261,23cyclictest0-21swapper/107:15:131
1538255992623,2cyclictest1793775-21cron10:55:000
1538264992519,1cyclictest1590132-21apt-get08:00:133
1538264992515,8cyclictest1667185-21cron09:15:003
153826499251,20cyclictest1838520-21ssh11:30:133
153826499251,20cyclictest1838520-21ssh11:30:133
153826499250,23cyclictest0-21swapper/312:20:043
153826499250,22cyclictest1895349-21hddtemp_smartct12:15:153
153826499250,22cyclictest0-21swapper/310:30:143
153826499250,22cyclictest0-21swapper/307:25:113
1538260992520,3cyclictest1794125-21apt-get10:55:162
1538260992520,2cyclictest1667518-21apt-get09:15:142
1538260992517,5cyclictest1679790-21cron09:24:592
153826099251,3cyclictest1851020-21apt-get11:40:122
153826099251,3cyclictest1660916-21diskmemload10:34:352
153826099251,21cyclictest1800416-21ssh11:00:142
153826099251,20cyclictest0-21swapper/211:15:122
153826099250,4cyclictest1777536-21cut10:40:202
153826099250,21cyclictest0-21swapper/208:55:132
153826099250,20cyclictest0-21swapper/207:15:132
153825899252,20cyclictest1548637-21apt-get07:20:131
1538258992521,2cyclictest1888535-21latency_hist12:10:011
1538258992520,3cyclictest1553714-21apt-get07:25:111
1538258992519,3cyclictest1718079-21apt-get09:55:121
153825899251,21cyclictest1813330-21apt-get11:10:121
153825899251,20cyclictest1844779-21apt-get11:35:151
153825899251,20cyclictest1660916-21diskmemload09:25:071
153825899251,20cyclictest0-21swapper/108:40:241
153825899250,4cyclictest1651535-21cut09:00:181
153825899250,23cyclictest1600288-21chrt08:10:101
153825899250,23cyclictest0-21swapper/111:55:121
153825899250,22cyclictest1660916-21diskmemload12:10:041
153825899250,22cyclictest0-21swapper/110:55:061
153825899250,22cyclictest0-21swapper/109:50:121
153825899250,22cyclictest0-21swapper/109:05:131
153825899250,22cyclictest0-21swapper/109:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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