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2026-06-04 - 09:53
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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 Thu Jun 04, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1504286995552,2cyclictest1660733-21fwupd22:37:551
1504281994240,1cyclictest1610106-21kworker/0:0+pm22:37:560
1504295993228,2cyclictest0-21swapper/321:45:153
150428199320,31cyclictest1752598-21turbostat00:10:000
1504281992724,2cyclictest514-21in:imuxsock21:15:000
150429599261,24cyclictest1452404-21kworker/u8:0+flush-259:021:35:003
150429599261,23cyclictest3777322-21systemd-journal00:35:003
150429599261,23cyclictest1651507-21sed22:30:163
150429199261,3cyclictest1712262-21apt-get23:30:122
150429199261,3cyclictest0-21swapper/222:00:122
150429199261,23cyclictest1686193-21taskset23:04:492
150429199261,21cyclictest1676346-21apt-get22:55:112
150428699261,21cyclictest1702145-21apt-get23:20:111
150428699260,24cyclictest1557553-21sed20:40:111
150429599250,21cyclictest1645963-21apt-get22:25:123
150429199251,2cyclictest1778252-21apt-get00:35:112
150429199251,22cyclictest1768576-21grep00:25:172
150429199251,22cyclictest1671302-21apt-get22:50:122
150429199251,22cyclictest1557555-21tr20:40:112
150429199251,22cyclictest0-21swapper/221:45:112
150429199251,21cyclictest0-21swapper/221:17:182
150429199250,23cyclictest1650746-21idleruntime-cro22:30:012
150429199250,21cyclictest0-21swapper/221:35:132
150428699251,21cyclictest1630846-21apt-get22:10:121
150428699250,4cyclictest1600192-21cron21:40:001
150428199252,21cyclictest1732538-21apt-get23:50:110
1504281992520,3cyclictest1635900-21apt-get22:15:120
1504281992519,5cyclictest1768574-21grep00:25:170
1504295992420,2cyclictest1585331-21apt-get21:25:123
1504295992419,3cyclictest1640935-21apt-get22:20:123
150429599241,21cyclictest1681918-21sed23:00:163
150429599241,20cyclictest1595418-21apt-get21:35:133
150429599240,4cyclictest1702637-21sort23:20:153
1504291992420,2cyclictest1511010-21apt-get19:20:082
1504291992419,3cyclictest0-21swapper/219:30:082
150429199241,2cyclictest0-21swapper/220:37:322
150429199241,22cyclictest1580274-21apt-get21:20:092
150429199241,22cyclictest1580274-21apt-get21:20:092
150429199240,3cyclictest0-21swapper/200:23:202
150429199240,2cyclictest0-21swapper/221:55:292
150429199240,22cyclictest1717355-21apt-get23:35:122
150429199240,21cyclictest1691749-21munin-run23:09:592
1504286992420,2cyclictest1692004-21apt-get23:10:111
150428699241,3cyclictest0-21swapper/123:30:131
150428699241,21cyclictest1722425-21apt-get23:40:121
150428699240,20cyclictest0-21swapper/123:55:111
150428699240,20cyclictest0-21swapper/123:55:101
1504281992419,3cyclictest1737608-21apt-get23:55:110
1504281992419,3cyclictest1737608-21apt-get23:55:100
150428199240,22cyclictest1510318-21idleruntime-cro19:19:590
150428199240,19cyclictest0-21swapper/023:30:130
150429599231,20cyclictest1741525-21ntpq23:55:203
150429599231,20cyclictest1741525-21ntpq23:55:193
1504291992320,2cyclictest3777322-21systemd-journal00:30:192
1504291992319,2cyclictest1573677-21ls21:05:002
1504291992319,2cyclictest0-21swapper/220:30:082
1504291992318,3cyclictest1651519-21sed22:30:162
150429199231,3cyclictest0-21swapper/222:15:122
150429199231,2cyclictest1742431-21munin-run00:00:002
150429199231,2cyclictest1742431-21munin-run00:00:002
150429199231,20cyclictest1578530-21runrttasks21:10:192
150429199231,20cyclictest1562765-21apt-get20:50:082
150429199230,21cyclictest1734765-21sort23:50:172
150429199230,21cyclictest0-21swapper/223:10:122
150429199230,20cyclictest0-21swapper/220:10:082
1504286992320,2cyclictest1551367-21apt-get20:30:071
1504286992319,2cyclictest1727491-21apt-get23:45:121
1504286992317,4cyclictest1573673-21cron21:05:001
150428699231,2cyclictest1640935-21apt-get22:20:121
150428699231,20cyclictest1768575-21sed00:25:171
150428699230,2cyclictest0-21swapper/122:15:121
150428699230,20cyclictest0-21swapper/122:50:121
150428699230,1cyclictest0-21swapper/121:20:081
150428699230,1cyclictest0-21swapper/121:20:081
1504281992317,4cyclictest1557549-21ps20:40:110
1504295992219,2cyclictest0-21swapper/323:30:113
1504295992218,2cyclictest1620736-21apt-get22:00:123
1504295992218,2cyclictest1516730-21apt-get19:30:083
1504295992218,2cyclictest0-21swapper/320:10:083
1504295992216,4cyclictest1533236-21latency_hist19:55:013
150429599221,1cyclictest1574595-21apt-get21:10:093
150429599221,19cyclictest0-21swapper/323:45:113
150429599220,20cyclictest1707682-21irqcore23:25:153
150429599220,19cyclictest0-21swapper/323:10:133
150429599220,19cyclictest0-21swapper/322:50:123
150429599220,19cyclictest0-21swapper/300:15:153
150429199223,11cyclictest1509642-21awk19:14:592
1504291992218,3cyclictest401ktimers/221:50:132
1504291992218,2cyclictest64-21kcompactd019:28:112
1504291992218,1cyclictest0-21swapper/221:25:122
150429199220,2cyclictest0-21swapper/222:10:132
150429199220,21cyclictest0-21swapper/220:20:082
1504286992220,1cyclictest1773528-21seq00:30:151
1504286992220,1cyclictest0-21swapper/121:00:001
1504286992219,2cyclictest514-21in:imuxsock00:10:001
1504286992219,2cyclictest1539967-21apt-get20:10:081
1504286992219,2cyclictest0-21swapper/122:45:111
1504286992218,2cyclictest0-21swapper/121:51:101
1504286992216,4cyclictest1651521-21irqcore22:30:161
150428699221,2cyclictest0-21swapper/122:55:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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