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2026-08-17 - 13:07
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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 17, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150663799320,3cyclictest1618631-21cron21:00:003
150663799310,3cyclictest1553017-21irqcore19:55:173
150663799302,25cyclictest1572870-21apt-get20:15:113
150663799301,26cyclictest1762238-21apt23:20:123
150663799292,2cyclictest1731324-21apt-get22:50:123
150663799292,2cyclictest1700530-21apt-get22:20:123
150663799291,25cyclictest1813458-21apt-get00:10:133
150663799291,25cyclictest1736398-21apt-get22:55:143
150663799282,22cyclictest1838898-21apt-get00:35:133
150663799280,27cyclictest64-21kcompactd023:27:213
150663799280,27cyclictest0-21swapper/322:35:003
150663799271,22cyclictest1639120-21apt-get21:20:123
150663799270,2cyclictest0-21swapper/320:45:123
1506637992623,2cyclictest1531969-21cron19:34:593
150663799262,21cyclictest1782997-21apt-get23:40:113
1506637992619,5cyclictest1507328-21ps19:10:173
150663799261,21cyclictest1741513-21apt-get23:00:143
150663799261,20cyclictest0-21swapper/323:10:133
150663799260,2cyclictest0-21swapper/319:25:143
150663799260,21cyclictest0-21swapper/323:55:133
150663499261,20cyclictest1634070-21apt-get21:15:122
1506637992521,2cyclictest1772406-21apt-get23:30:133
1506637992519,3cyclictest1562709-21apt-get20:05:133
150663799251,22cyclictest1688855-21taskset22:05:233
150663799251,20cyclictest1833783-21apt-get00:30:163
150663799251,20cyclictest1679749-21apt-get22:00:133
1506634992521,2cyclictest1654311-21apt-get21:35:122
1506630992521,2cyclictest1669545-21apt-get21:50:121
150662899251,3cyclictest1751678-21apt-get23:10:140
150662899251,22cyclictest1756749-21apt-get23:15:140
150662899251,22cyclictest1639120-21apt-get21:20:130
150662899250,23cyclictest1602543-21ntpq20:40:210
150663799242,2cyclictest1803283-21apt-get00:00:133
1506637992420,2cyclictest1823597-21apt-get00:20:143
1506637992420,2cyclictest1818546-21apt-get00:15:143
1506637992420,2cyclictest1721209-21apt-get22:40:123
1506637992418,5cyclictest0-21swapper/321:15:113
150663799241,3cyclictest1777908-21apt-get23:35:143
150663799240,3cyclictest1659359-21taskset21:40:113
150663799240,21cyclictest1629519-21irqcore21:10:183
150663799240,19cyclictest0-21swapper/323:05:103
150663499242,4cyclictest1782720-21cron23:40:002
150663499241,20cyclictest1567780-21apt-get20:10:132
1506630992420,2cyclictest1721209-21apt-get22:40:111
150663099241,3cyclictest1760730-21ntpq23:15:241
150663099241,20cyclictest1593576-21apt-get20:35:121
150663099240,5cyclictest1578118-21readlink20:20:011
150663099240,20cyclictest1659356-21apt-get21:40:111
1506628992418,4cyclictest1568276-21ps20:10:170
150662899241,2cyclictest1808375-21apt-get00:05:140
150662899241,2cyclictest1808375-21apt-get00:05:140
150662899241,22cyclictest1537307-21apt-get19:40:130
150662899240,23cyclictest1746605-21apt-get23:05:110
1506637992318,3cyclictest1664428-21apt-get21:45:133
1506637992315,6cyclictest0-21swapper/319:49:593
150663799231,2cyclictest1706026-21apt-get22:25:143
150663799231,2cyclictest1695004-21apt-get22:15:123
150663799231,2cyclictest0-21swapper/321:25:153
150663799231,2cyclictest0-21swapper/320:10:133
150663799231,21cyclictest0-21swapper/320:20:133
150663799230,3cyclictest1589011-21grep20:30:163
150663799230,20cyclictest0-21swapper/320:25:133
1506634992320,2cyclictest0-21swapper/222:00:002
1506634992319,3cyclictest1756472-21idleruntime-cro23:14:592
1506634992319,3cyclictest1577706-21latency_hist20:20:012
1506634992319,2cyclictest1511956-21apt-get19:15:102
150663499231,2cyclictest1828665-21apt-get00:25:132
150663499230,20cyclictest1700221-21wc22:20:012
150663499230,20cyclictest0-21swapper/220:05:122
150663499230,19cyclictest0-21swapper/219:10:132
1506630992320,2cyclictest1684841-21apt-get22:05:141
150663099231,20cyclictest0-21swapper/119:45:201
150663099230,1cyclictest0-21swapper/123:25:151
150663099230,19cyclictest0-21swapper/120:00:151
1506628992319,2cyclictest0-21swapper/000:15:130
150662899231,2cyclictest1663274-21ntpq21:40:200
150662899231,2cyclictest0-21swapper/019:55:130
150662899231,20cyclictest1545272-21kthreadcore19:45:200
150662899231,20cyclictest0-21swapper/022:40:110
150662899230,3cyclictest1803000-21cron00:00:000
150662899230,2cyclictest0-21swapper/019:30:010
150662899230,21cyclictest1527654-21grep19:30:160
150662899230,21cyclictest0-21swapper/023:30:140
150662899230,21cyclictest0-21swapper/022:15:120
150662899230,21cyclictest0-21swapper/020:55:130
1506637992218,3cyclictest64-21kcompactd021:31:143
1506637992218,2cyclictest1788042-21apt-get23:45:103
1506637992218,2cyclictest1619107-21taskset21:00:163
1506637992215,5cyclictest0-21swapper/320:55:003
150663799221,2cyclictest0-21swapper/323:55:003
150663799220,21cyclictest1603444-21cron20:45:003
1506634992219,2cyclictest1664156-21idleruntime-cro21:45:002
1506634992218,2cyclictest1788539-21ps23:45:142
1506634992218,2cyclictest1689655-21cron22:10:002
150663499221,20cyclictest1607613-21ntpq20:45:212
150663499220,2cyclictest1680251-21tr22:00:172
150663499220,21cyclictest1705328-21awk22:25:002
150663499220,20cyclictest1599123-21cut20:40:172
150663499220,19cyclictest0-21swapper/223:50:142
1506630992219,2cyclictest1592389-21ntpq20:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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