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2026-07-11 - 16:44
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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 Sat Jul 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1538968992825,2cyclictest0-21swapper/210:35:012
153897199271,22cyclictest1820918-21apt-get11:45:143
153897199261,21cyclictest1733657-21apt-get10:20:113
153896899260,23cyclictest1559861-21seq07:30:132
1538966992619,5cyclictest1606419-21tr08:15:161
153896699261,21cyclictest1831003-21apt-get11:55:131
153896699261,21cyclictest1651571-21apt-get09:00:121
1538962992621,3cyclictest1872346-21apt-get12:35:110
1538968992520,3cyclictest1774645-21apt-get11:00:122
153896899251,22cyclictest1661458-21cron09:10:012
153896699252,3cyclictest1595800-21apt-get08:05:131
153896699251,21cyclictest1769593-21apt-get10:55:121
153896699251,20cyclictest1575025-21apt-get07:45:141
153896299251,4cyclictest1657170-21tr09:05:170
153896299250,5cyclictest1795728-21irqcore11:20:160
153897199240,4cyclictest702-21runrttasks09:15:223
1538968992420,2cyclictest1580547-21apt-get07:50:132
1538968992420,2cyclictest1580547-21apt-get07:50:122
1538968992419,3cyclictest1846634-21apt-get12:10:132
153896899241,3cyclictest1697347-21apt-get09:45:142
153896899241,3cyclictest1682584-21sed09:30:172
153896899241,3cyclictest1544284-21apt-get07:15:132
153896899241,21cyclictest1805354-21apt-get11:30:132
153896899241,21cyclictest1636313-21apt-get08:45:142
153896899241,21cyclictest1616062-21apt-get08:25:112
153896899241,21cyclictest0-21swapper/211:50:122
153896899241,19cyclictest0-21swapper/212:00:132
153896899240,4cyclictest1550247-21ps07:20:162
1538966992420,2cyclictest1779678-21apt-get11:05:131
1538966992420,2cyclictest1564912-21apt-get07:35:131
153896699241,21cyclictest1656667-21chrt09:05:121
153896699240,4cyclictest3777322-21systemd-journal08:45:001
153896699240,20cyclictest0-21swapper/109:35:121
153896699240,20cyclictest0-21swapper/108:00:101
1538962992420,2cyclictest1723542-21apt-get10:10:140
153896299241,3cyclictest1779678-21apt-get11:05:140
153896299241,22cyclictest1722892-21/usr/sbin/munin10:10:000
153896299241,21cyclictest1589619-21ntpq07:55:220
153896299241,21cyclictest1569967-21apt-get07:40:130
153897199232,2cyclictest1671926-21apt-get09:20:123
153897199230,3cyclictest1846637-21seq12:10:123
1538968992319,3cyclictest1600856-21apt-get08:10:122
1538968992319,3cyclictest1585651-21apt-get07:55:132
1538968992319,2cyclictest1759964-21irqcore10:45:172
1538968992318,4cyclictest1646209-21basename08:55:012
1538968992318,3cyclictest1717790-21cron10:04:592
1538968992318,3cyclictest1580182-21latency_hist07:50:002
153896899231,2cyclictest0-21swapper/212:25:582
153896899231,2cyclictest0-21swapper/212:15:122
153896899231,20cyclictest0-21swapper/208:00:112
153896899230,21cyclictest1569675-21sshd07:39:582
153896699232,1cyclictest1764522-21apt-get10:50:121
1538966992319,3cyclictest1662233-21irqcore09:10:181
153896699231,2cyclictest1852112-21apt-get12:15:121
153896699231,2cyclictest1677021-21apt-get09:25:131
153896699231,2cyclictest1626176-21apt-get08:35:121
153896699231,21cyclictest1815864-21apt-get11:40:141
153896699231,20cyclictest1764242-21cron10:50:001
153896699231,19cyclictest1539183-21apt-get07:10:141
153896699230,22cyclictest1805101-21munin-run11:30:011
153896699230,22cyclictest1549097-21true07:20:001
153896699230,20cyclictest0-21swapper/110:35:121
153896699230,20cyclictest0-21swapper/109:15:121
1538962992319,2cyclictest1789764-21apt-get11:15:130
1538962992319,2cyclictest1748656-21munin-run10:35:000
153896299231,2cyclictest1784728-21apt-get11:10:120
153896299231,2cyclictest1759476-21apt-get10:45:130
153896299231,2cyclictest1686096-21ntpq09:30:220
153896299231,2cyclictest0-21swapper/012:20:160
153896299231,2cyclictest0-21swapper/011:00:120
153896299231,2cyclictest0-21swapper/009:25:130
153896299231,2cyclictest0-21swapper/008:05:120
153896299231,2cyclictest0-21swapper/007:30:140
153896299231,21cyclictest0-21swapper/008:30:110
153896299231,20cyclictest1749337-21apt-get10:35:130
153896299231,20cyclictest1661739-21apt-get09:10:140
153896299231,20cyclictest1641365-21apt-get08:50:120
153896299230,21cyclictest1815340-21apt-key11:40:010
153896299230,21cyclictest1805842-21grep11:30:170
153896299230,21cyclictest0-21swapper/011:55:130
1538971992219,2cyclictest1687206-21apt-get09:35:133
1538971992218,2cyclictest1577276-21sort07:45:203
1538971992218,2cyclictest0-21swapper/309:10:123
1538971992217,3cyclictest1831006-21taskset11:55:113
1538971992217,3cyclictest1657169-21grep09:05:173
153897199221,20cyclictest1543161-21ntpq07:10:223
153897199220,21cyclictest1697848-21ps09:45:183
153897199220,20cyclictest1846358-21cron12:10:003
153897199220,19cyclictest0-21swapper/311:35:123
153897199220,19cyclictest0-21swapper/311:00:123
153897199220,19cyclictest0-21swapper/310:50:133
153897199220,19cyclictest0-21swapper/309:50:133
1538968992219,2cyclictest1621117-21apt-get08:30:112
1538968992219,2cyclictest0-21swapper/212:05:142
153896899221,2cyclictest1687712-21grep09:35:172
153896899221,20cyclictest1646459-21apt-get08:55:132
153896899221,20cyclictest0-21swapper/212:34:022
153896899221,20cyclictest0-21swapper/211:40:012
153896899221,20cyclictest0-21swapper/209:00:122
153896899221,19cyclictest0-21swapper/207:10:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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