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2026-07-19 - 08:14
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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 highest latencies:
System rackeslot4.osadl.org (updated Sun Jul 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155568199262,21cyclictest1739086-21apt-get22:10:123
155568199261,3cyclictest0-21swapper/300:20:143
155568199261,22cyclictest1882317-21cron00:30:003
155567799262,21cyclictest1831024-21apt-get23:40:122
1555677992618,5cyclictest1852669-21ps00:00:162
1555677992618,5cyclictest1852669-21ps00:00:162
1555681992520,3cyclictest1887726-21apt-get00:35:123
155568199251,4cyclictest1768353-21ntpq22:35:203
155568199251,21cyclictest1708306-21cut21:40:003
155567799251,20cyclictest1718736-21apt-get21:50:132
155567799250,23cyclictest1677349-21cron21:10:002
1555675992520,2cyclictest1764487-21apt-get22:35:121
155567599250,22cyclictest3777322-21systemd-journal22:20:001
1555681992419,3cyclictest1754339-21apt-get22:25:123
1555681992418,4cyclictest1688720-21grep21:20:163
1555681992412,1cyclictest191rcu_preempt20:40:133
155568199241,21cyclictest1789878-21apt-get23:00:133
155568199241,21cyclictest1723829-21apt-get21:55:133
155568199241,21cyclictest0-21swapper/321:25:133
1555677992419,3cyclictest1621806-21apt-get20:15:102
155567799241,2cyclictest1836515-21apt-get23:45:142
155567799241,22cyclictest1759150-21idleruntime-cro22:30:002
155567799241,20cyclictest1749248-21apt-get22:20:142
1555675992419,3cyclictest1727766-21ntpq21:55:221
1555672992420,2cyclictest1815794-21apt-get23:25:120
1555672992420,2cyclictest1596478-21apt-get19:50:130
155567299241,2cyclictest1867386-21apt-get00:15:120
155567299241,21cyclictest1693305-21apt-get21:25:130
155567299241,21cyclictest1586316-21apt-get19:40:110
1555681992319,2cyclictest1784809-21apt-get22:55:123
1555681992319,2cyclictest0-21swapper/320:30:123
1555681992319,2cyclictest0-21swapper/319:50:133
155568199231,2cyclictest1805533-21apt-get23:15:133
155568199231,2cyclictest1800037-21apt-get23:10:113
155568199231,2cyclictest1681962-21ntpq21:10:213
155568199231,2cyclictest0-21swapper/323:55:123
155568199231,2cyclictest0-21swapper/323:30:133
155568199231,2cyclictest0-21swapper/323:25:123
155568199231,2cyclictest0-21swapper/320:25:213
155568199231,21cyclictest0-21swapper/319:15:143
155568199231,20cyclictest0-21swapper/323:23:543
155568199230,21cyclictest64-21kcompactd019:44:563
1555677992319,2cyclictest1732896-21ntpq22:00:212
1555677992319,2cyclictest1611694-21apt-get20:05:122
1555677992319,2cyclictest1576156-21apt-get19:30:112
1555677992319,2cyclictest1575020-21ntpq19:25:242
155567799231,20cyclictest0-21swapper/200:20:142
155567799230,20cyclictest1627393-21sort20:20:172
155567799230,20cyclictest0-21swapper/222:15:102
155567799230,20cyclictest0-21swapper/222:10:122
155567799230,20cyclictest0-21swapper/221:35:122
155567799230,20cyclictest0-21swapper/220:55:122
155567799230,20cyclictest0-21swapper/220:25:122
1555675992317,3cyclictest1667506-21apt-get21:00:121
155567599230,22cyclictest1561941-21sort19:15:181
155567599230,20cyclictest0-21swapper/100:25:121
1555672992320,2cyclictest1560989-21apt-get19:15:130
155567299231,2cyclictest1688234-21apt-get21:20:120
155567299230,2cyclictest1630791-21ntpq20:20:210
155568199221,20cyclictest0-21swapper/300:02:593
155568199221,20cyclictest0-21swapper/300:02:593
155568199220,2cyclictest1616741-21apt-get20:10:143
155568199220,2cyclictest0-21swapper/321:15:143
155568199220,21cyclictest1580953-21awk19:35:003
155568199220,20cyclictest64-21kcompactd020:15:033
155568199220,20cyclictest1769597-21chrt22:40:123
155568199220,20cyclictest1734502-21ps22:05:153
1555677992219,2cyclictest0-21swapper/200:30:242
1555677992218,2cyclictest0-21swapper/219:55:012
155567799220,2cyclictest1846410-21https23:55:002
155567799220,2cyclictest1846410-21https23:55:002
155567799220,20cyclictest1703213-21ls21:35:002
155567799220,20cyclictest1703213-21ls21:35:002
155567799220,20cyclictest0-21swapper/220:00:122
155567799220,19cyclictest64-21kcompactd021:22:142
1555675992219,2cyclictest0-21swapper/123:40:121
155567599221,2cyclictest1774341-21munin-run22:45:001
155567599221,20cyclictest1657369-21apt-get20:50:131
155567599221,20cyclictest1635858-21ntpq20:25:201
155567599221,1cyclictest1825957-21apt-get23:35:141
155567599221,1cyclictest1800037-21apt-get23:10:101
155567599220,2cyclictest1775086-21ps22:45:171
155567599220,2cyclictest1566982-21ps19:20:171
155567599220,21cyclictest1739569-21irqcore22:10:161
155567599220,20cyclictest1698117-21cron21:30:001
155567599220,19cyclictest0-21swapper/120:45:101
1555672992219,2cyclictest1683143-21apt-get21:15:150
1555672992219,2cyclictest0-21swapper/020:00:120
1555672992218,2cyclictest0-21swapper/021:05:130
1555672992217,1cyclictest191rcu_preempt20:45:000
155567299221,20cyclictest1652275-21apt-get20:45:110
155567299221,1cyclictest1708549-21apt-get21:40:090
155567299220,1cyclictest1744164-21apt-get22:15:090
155567299220,1cyclictest0-21swapper/023:10:110
155567299220,19cyclictest0-21swapper/023:15:140
155567299220,19cyclictest0-21swapper/023:00:140
155567299220,19cyclictest0-21swapper/020:10:140
1555681992119,1cyclictest0-21swapper/322:48:153
1555681992119,1cyclictest0-21swapper/320:35:133
1555681992119,1cyclictest0-21swapper/320:05:123
1555681992118,2cyclictest0-21swapper/322:20:143
1555681992118,2cyclictest0-21swapper/320:55:223
1555681992117,2cyclictest0-21swapper/321:40:083
1555681992116,4cyclictest1677343-21cron21:10:003
155568199211,19cyclictest0-21swapper/323:41:283
155568199210,2cyclictest0-21swapper/321:00:233
155568199210,20cyclictest0-21swapper/323:05:133
155568199210,20cyclictest0-21swapper/322:30:123
155568199210,20cyclictest0-21swapper/322:15:153
155568199210,1cyclictest64-21kcompactd019:10:313
155568199210,1cyclictest1728905-21apt-get22:00:123
155568199210,1cyclictest0-21swapper/322:50:133
155568199210,1cyclictest0-21swapper/319:20:123
1555677992119,1cyclictest0-21swapper/223:16:452
1555677992119,1cyclictest0-21swapper/222:58:282
1555677992119,1cyclictest0-21swapper/222:45:132
1555677992119,1cyclictest0-21swapper/221:45:152
1555677992119,1cyclictest0-21swapper/221:20:002
1555677992119,1cyclictest0-21swapper/221:00:112
1555677992119,1cyclictest0-21swapper/200:15:152
1555677992119,1cyclictest0-21swapper/200:05:132
1555677992118,2cyclictest0-21swapper/219:20:222
1555677992118,1cyclictest0-21swapper/220:45:102
155567799210,1cyclictest0-21swapper/223:10:112
155567799210,1cyclictest0-21swapper/219:35:112
155567799210,19cyclictest0-21swapper/223:20:142
1555675992119,1cyclictest1872435-21apt-get00:20:131
1555675992119,1cyclictest0-21swapper/121:40:091
1555675992119,1cyclictest0-21swapper/100:35:131
1555675992118,2cyclictest1698394-21apt-get21:30:121
1555675992118,2cyclictest1698394-21apt-get21:30:121
1555675992118,2cyclictest1673076-21cut21:05:171
1555675992118,2cyclictest1637039-21apt-get20:30:111
1555675992118,1cyclictest1591133-21cron19:45:011
1555675992117,2cyclictest1678534-21ps21:10:171
155567599211,19cyclictest1703485-21apt-get21:35:121
155567599210,20cyclictest64-21kcompactd023:05:271
155567599210,20cyclictest1810650-21apt-get23:20:131
155567599210,1cyclictest1779695-21apt-get22:50:131
155567599210,1cyclictest0-21swapper/119:10:131
155567599210,19cyclictest1723574-21munin-run21:55:001
155567599210,19cyclictest0-21swapper/119:55:121
155567599210,19cyclictest0-21swapper/100:00:121
155567599210,19cyclictest0-21swapper/100:00:121
1555672992118,1cyclictest1662437-21apt-get20:55:120
1555672992117,2cyclictest1580948-21cron19:35:000
1555672992116,3cyclictest1601536-21apt-get19:55:120
155567299211,1cyclictest1814581-21ntpq23:20:220
155567299211,1cyclictest1759420-21apt-get22:30:130
155567299210,20cyclictest0-21swapper/000:25:130
155567299210,1cyclictest0-21swapper/022:00:220
155567299210,19cyclictest0-21swapper/021:10:210
1555681992018,1cyclictest0-21swapper/323:50:143
1555681992018,1cyclictest0-21swapper/323:50:143
1555681992018,1cyclictest0-21swapper/323:47:233
1555681992017,2cyclictest64-21kcompactd019:46:333
1555681992017,2cyclictest0-21swapper/320:50:133
1555681992017,2cyclictest0-21swapper/319:55:133
1555681992017,2cyclictest0-21swapper/319:35:163
1555681992016,3cyclictest0-21swapper/320:20:123
1555681992016,3cyclictest0-21swapper/300:10:123
1555681992016,2cyclictest1718461-21cron21:50:003
155568199200,19cyclictest0-21swapper/323:35:013
155568199200,19cyclictest0-21swapper/300:09:593
1555677992018,1cyclictest0-21swapper/223:58:092
1555677992018,1cyclictest0-21swapper/221:25:142
1555677992018,1cyclictest0-21swapper/219:40:122
1555677992017,2cyclictest0-21swapper/222:40:442
1555677992017,2cyclictest0-21swapper/220:30:112
155567799200,1cyclictest0-21swapper/223:35:242
155567799200,1cyclictest0-21swapper/219:45:122
155567799200,19cyclictest64-21kcompactd022:34:172
155567799200,19cyclictest0-21swapper/222:35:122
155567799200,19cyclictest0-21swapper/221:55:342
1555675992019,1cyclictest0-21swapper/120:40:221
1555675992018,1cyclictest64-21kcompactd023:30:121
1555675992018,1cyclictest0-21swapper/123:55:131
1555675992018,1cyclictest0-21swapper/123:25:121
1555675992018,1cyclictest0-21swapper/123:00:141
1555675992018,1cyclictest0-21swapper/122:55:131
1555675992018,1cyclictest0-21swapper/121:23:191
155567599200,1cyclictest0-21swapper/120:20:131
155567599200,1cyclictest0-21swapper/120:10:141
155567599200,1cyclictest0-21swapper/119:30:111
155567599200,19cyclictest1882594-21apt-get00:30:111
155567599200,19cyclictest1714132-21ps21:45:191
155567599200,19cyclictest0-21swapper/120:55:121
155567599200,19cyclictest0-21swapper/120:15:111
155567599200,19cyclictest0-21swapper/119:50:131
155567599200,19cyclictest0-21swapper/100:05:141
1555672992018,1cyclictest0-21swapper/020:18:480
1555672992018,1cyclictest0-21swapper/000:35:130
1555672992017,2cyclictest211rcuc/022:20:190
1555672992017,2cyclictest1769598-21/usr/sbin/munin22:40:120
1555672992013,6cyclictest1794969-21apt-get23:05:120
155567299200,1cyclictest211rcuc/021:45:150
155567299200,1cyclictest1825700-21munin-run23:35:010
155567299200,1cyclictest0-21swapper/000:20:140
155567299200,19cyclictest1836999-21ps23:45:180
155567299200,19cyclictest0-21swapper/022:50:130
155567299200,19cyclictest0-21swapper/022:10:120
155567299200,19cyclictest0-21swapper/021:00:120
155567299200,19cyclictest0-21swapper/019:11:040
1555681991917,1cyclictest0-21swapper/321:50:123
1555681991917,1cyclictest0-21swapper/320:45:113
1555677991917,1cyclictest0-21swapper/223:05:132
1555677991917,1cyclictest0-21swapper/200:25:132
1555677991913,4cyclictest1790375-21ps23:00:172
155567799190,18cyclictest0-21swapper/221:10:132
1555675991917,1cyclictest1841281-21cron23:50:011
1555675991917,1cyclictest0-21swapper/122:25:121
1555675991917,1cyclictest0-21swapper/120:05:121
1555675991917,1cyclictest0-21swapper/119:35:111
1555675991917,1cyclictest0-21swapper/119:25:151
1555675991916,2cyclictest1733741-21cron22:05:001
1555675991915,3cyclictest1846377-21cron23:55:001
1555675991915,3cyclictest1846377-21cron23:55:001
1555675991915,2cyclictest0-21swapper/100:15:001
155567599190,1cyclictest0-21swapper/122:06:191
155567299199,1cyclictest191rcu_preempt23:35:260
1555672991918,1cyclictest64-21kcompactd022:56:190
1555672991917,1cyclictest1738850-21unin-run22:10:000
1555672991917,1cyclictest0-21swapper/022:25:120
1555672991917,1cyclictest0-21swapper/020:30:120
1555672991917,1cyclictest0-21swapper/000:02:590
1555672991917,1cyclictest0-21swapper/000:02:590
1555672991916,2cyclictest1836206-21apt-config23:45:000
1555672991916,2cyclictest1774603-21apt-get22:45:130
1555672991914,2cyclictest1642116-21apt-get20:35:130
155567299190,1cyclictest0-21swapper/000:30:110
155567299190,18cyclictest0-21swapper/023:50:130
155567299190,18cyclictest0-21swapper/023:50:130
155567299190,0cyclictest64-21kcompactd000:07:500
1555681991816,1cyclictest1606626-21apt-get20:00:133
1555681991816,1cyclictest0-21swapper/300:30:203
1555677991816,1cyclictest0-21swapper/220:15:012
1555677991815,2cyclictest1820634-21munin-run23:30:002
1555677991815,2cyclictest0-21swapper/220:40:132
1555677991814,3cyclictest1783685-21ntp_kernel_pll_22:50:222
1555675991816,1cyclictest1683626-21ps21:15:191
1555675991816,1cyclictest0-21swapper/100:15:111
1555672991814,2cyclictest0-21swapper/020:05:120
155568199175,2cyclictest191rcu_preempt19:10:013
1555677991714,1cyclictest0-21swapper/220:35:132
1555675991715,1cyclictest0-21swapper/123:15:141
1555675991715,1cyclictest0-21swapper/119:45:131
1555672991712,2cyclictest64-21kcompactd019:35:160
155568199167,1cyclictest191rcu_preempt21:30:193
155568199167,1cyclictest191rcu_preempt21:30:183
1555681991614,1cyclictest0-21swapper/300:15:113
1555681991613,2cyclictest64-21kcompactd019:27:433
1555675991614,1cyclictest0-21swapper/122:30:121
1555672991613,2cyclictest2875-21cron19:50:000
1555672991613,1cyclictest1846387-21apt-get23:55:030
1555672991610,4cyclictest1698554-21diskstats21:30:140
1555672991610,4cyclictest1698554-21diskstats21:30:140
1555677991514,1cyclictest64-21kcompactd023:30:442
1555677991513,1cyclictest0-21swapper/219:55:132
1555677991511,2cyclictest1892522-21chrt00:40:012
155567299157,6cyclictest514-21in:imuxsock21:37:480
1555672991512,2cyclictest1728173-21unixbench_multi21:55:250
1555672991511,3cyclictest0-21swapper/020:50:130
1555672991511,2cyclictest0-21swapper/000:10:120
1555677991413,1cyclictest0-21swapper/219:15:212
1555677991410,3cyclictest1866648-21unixbench_multi00:10:252
155567299143,4cyclictest1566009-21kworker/0:0+rcu_gp19:30:010
1555672991411,2cyclictest61650irq/133-enp0s29f1:rx-021:50:220
1555672991410,3cyclictest0-21swapper/022:35:120
1555677991311,1cyclictest0-21swapper/219:10:122
1555675991310,2cyclictest1607116-21irqcore20:00:161
1555672991310,2cyclictest61650irq/133-enp0s29f1:rx-019:20:170
155567299130,0cyclictest0-21swapper/020:26:200
155567799129,2cyclictest1733754-21turbostat22:09:552
155567299110,4cyclictest1555793-21cat19:10:010
155567799109,1cyclictest0-21swapper/221:40:102
15556779996,1cyclictest0-21swapper/219:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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