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2026-04-03 - 07:27
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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 Fri Apr 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182036899291,1cyclictest1825395-21turbostat19:15:000
182037499272,21cyclictest1855932-21apt-get19:45:122
1820374992713,2cyclictest2875-21cron19:39:592
1820378992620,3cyclictest1983395-21apt-get21:50:123
182037899261,21cyclictest1999024-21apt-get22:05:123
182037499261,22cyclictest2141963-21apt-get00:25:132
182037199261,5cyclictest2009626-21sed22:15:161
182037199261,5cyclictest1957777-21sh21:25:011
182037199260,24cyclictest1840520-21cron19:29:591
182037899250,3cyclictest1978031-21ls21:45:013
1820374992519,3cyclictest1968152-21apt-get21:35:102
182037499250,21cyclictest1993897-21apt-get22:00:042
182037199252,21cyclictest1901957-21apt-get20:30:111
182037899241,20cyclictest2039691-21apt-get22:45:133
1820374992419,3cyclictest2081069-21apt-get23:25:122
1820374992419,3cyclictest1917140-21apt-get20:45:112
182037499241,21cyclictest2121455-21cron00:05:002
1820371992422,1cyclictest0-21swapper/123:35:121
182037199241,21cyclictest2055343-21apt-get23:00:111
182037199241,21cyclictest1937334-21apt-get21:05:121
182037199241,20cyclictest2136885-21apt-get00:20:101
1820378992319,2cyclictest2126777-21apt-get00:10:123
1820378992319,2cyclictest1997881-21ntpq22:00:213
1820378992319,2cyclictest1978301-21apt-get21:45:113
1820378992318,4cyclictest2055832-21grep23:00:153
182037899231,2cyclictest1957768-21cron21:25:003
182037899231,2cyclictest0-21swapper/320:40:163
182037899231,21cyclictest2074428-21ntpq23:15:213
182037899231,21cyclictest1927742-21ps20:55:153
182037899231,20cyclictest2152085-21apt-get00:35:113
182037899231,20cyclictest0-21swapper/320:35:113
182037899231,20cyclictest0-21swapper/320:35:103
182037899230,22cyclictest2050335-21ps22:55:163
182037899230,22cyclictest2009628-21irqcore22:15:163
182037899230,21cyclictest2106240-21idleruntime-cro23:50:003
182037899230,20cyclictest0-21swapper/320:25:123
1820374992319,2cyclictest1922194-21apt-get20:50:102
1820374992318,3cyclictest1983877-21irqcore21:50:172
182037499231,2cyclictest2034602-21apt-get22:40:122
182037499231,2cyclictest0-21swapper/223:07:022
182037499231,21cyclictest1886817-21irqcore20:15:162
182037499231,21cyclictest0-21swapper/220:10:002
182037499231,20cyclictest1906748-21latency_hist20:35:002
182037499231,20cyclictest1871091-21apt-get20:00:102
182037499231,20cyclictest0-21swapper/222:30:132
182037499230,21cyclictest1942134-21cron21:09:592
182037499230,21cyclictest1932763-21grep21:00:152
182037499230,20cyclictest0-21swapper/223:15:122
182037499230,20cyclictest0-21swapper/222:35:142
182037499230,20cyclictest0-21swapper/221:45:112
1820371992319,2cyclictest0-21swapper/123:30:101
182037199231,2cyclictest2106258-21munin-run23:50:001
182037199231,20cyclictest2019373-21apt-get22:25:121
182037199230,3cyclictest2131551-21munin-run00:15:001
182037199230,20cyclictest0-21swapper/121:35:111
182037199230,20cyclictest0-21swapper/120:35:111
182037199230,20cyclictest0-21swapper/120:35:101
182036899232,19cyclictest2086159-21apt-get23:30:100
1820368992319,2cyclictest2116669-21apt-get00:00:110
182036899230,22cyclictest2151760-21sshd00:34:300
1820378992219,2cyclictest2146996-21apt-get00:30:143
1820378992219,1cyclictest0-21swapper/320:30:113
1820378992218,2cyclictest2044779-21apt-get22:50:093
1820378992218,1cyclictest0-21swapper/322:25:133
1820374992219,2cyclictest0-21swapper/219:25:112
1820374992219,1cyclictest0-21swapper/200:10:122
1820374992218,2cyclictest1973208-21apt-get21:40:132
1820374992218,2cyclictest1861009-21apt-get19:50:122
182037499221,2cyclictest0-21swapper/223:45:132
182037499221,20cyclictest64-21kcompactd021:24:082
182037499221,1cyclictest0-21swapper/220:55:112
182037499221,18cyclictest1896459-21apt-get20:25:122
182037499220,21cyclictest2096800-21ps23:40:162
182037499220,20cyclictest1947366-21sed21:15:012
182037499220,19cyclictest1947227-21apt-get21:15:042
1820371992219,2cyclictest0-21swapper/122:40:121
1820371992219,1cyclictest1886335-21apt-get20:15:111
1820371992218,3cyclictest0-21swapper/119:50:131
1820371992218,2cyclictest0-21swapper/122:05:121
1820371992217,4cyclictest261-21systemd-journal23:45:001
182037199221,20cyclictest0-21swapper/123:20:121
182037199221,20cyclictest0-21swapper/121:50:131
182037199221,1cyclictest0-21swapper/120:20:111
182037199221,19cyclictest0-21swapper/120:50:181
182037199220,2cyclictest18407962sleep119:30:111
182037199220,20cyclictest0-21swapper/123:15:121
182037199220,20cyclictest0-21swapper/122:50:091
182037199220,19cyclictest2024464-21apt-get22:30:131
1820368992219,2cyclictest2014235-21apt-get22:20:130
1820368992218,2cyclictest1926972-21cron20:55:000
182036899220,20cyclictest0-21swapper/020:55:070
182036899220,20cyclictest0-21swapper/020:00:110
1820378992119,1cyclictest0-21swapper/323:20:123
1820378992119,1cyclictest0-21swapper/321:10:133
1820378992118,2cyclictest2096317-21apt-get23:40:123
1820378992118,2cyclictest0-21swapper/321:35:103
1820378992118,1cyclictest0-21swapper/300:00:113
182037899210,20cyclictest1870823-21sh19:59:593
1820374992119,1cyclictest64-21kcompactd021:55:402
1820374992119,1cyclictest0-21swapper/219:55:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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