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2026-09-23 - 05:54
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Wed Sep 23, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160522899282,21cyclictest1810347-21apt-get22:30:141
160523299271,22cyclictest1774840-21apt-get21:55:122
160522899272,21cyclictest1693008-21apt-get20:35:101
1605226992723,3cyclictest61650irq/133-enp0s29f1:rx-021:20:140
160522899261,21cyclictest1625745-21apt-get19:30:121
160522699262,21cyclictest1723493-21apt-get21:05:140
160523499251,22cyclictest1732502-21ntpq21:10:253
160523499250,22cyclictest0-21swapper/323:00:133
160523299252,21cyclictest1805279-21apt-get22:25:142
1605232992520,3cyclictest1688442-21irqcore20:30:182
160523299251,3cyclictest1703687-21irqcore20:45:202
160523299251,22cyclictest1872573-21apt-get23:30:112
160523299251,22cyclictest1779912-21apt-get22:00:142
160522899251,21cyclictest0-21swapper/120:50:131
160522699250,23cyclictest1693011-21taskset20:35:110
160523499241,2cyclictest1665547-21ntpq20:05:213
160523499241,20cyclictest1749330-21apt-get21:30:123
160523299243,2cyclictest41-21ksoftirqd/221:50:012
160523299243,2cyclictest41-21ksoftirqd/221:50:002
1605232992418,4cyclictest1646533-21irqcore19:50:172
160523299241,2cyclictest1821376-21apt-get22:40:112
160523299241,21cyclictest1923804-21apt-get00:20:122
160523299240,22cyclictest1933700-21cron00:30:002
1605228992418,4cyclictest1795644-21ps22:15:161
160522899241,22cyclictest1652022-21sed19:55:171
160522899241,21cyclictest1717276-21ntpq20:55:211
160522899241,20cyclictest1666726-21seq20:10:111
160522899241,20cyclictest0-21swapper/123:30:111
160522899240,4cyclictest1-21systemd00:05:001
160522899240,22cyclictest1734544-21sort21:15:191
160522899240,21cyclictest0-21swapper/123:55:131
160522899240,21cyclictest0-21swapper/123:40:111
1605226992420,2cyclictest1928886-21apt-get00:25:130
160522699240,4cyclictest1759196-21sshd21:38:390
160523499231,19cyclictest0-21swapper/321:05:143
160523499230,21cyclictest1687372-21apt-key20:30:013
160523499230,21cyclictest1651153-21gpgv19:55:013
160523499230,19cyclictest1677050-21grep20:20:013
160523299231,2cyclictest1906944-21ntpq00:00:222
160523299231,2cyclictest1630861-21apt-get19:35:132
160523299231,2cyclictest0-21swapper/223:05:172
160523299231,20cyclictest1785000-21apt-get22:05:122
160523299231,20cyclictest0-21swapper/222:55:142
160523299231,20cyclictest0-21swapper/221:40:102
160523299230,21cyclictest1676817-21dpkg20:20:012
160523299230,21cyclictest0-21swapper/219:10:122
160523299230,21cyclictest0-21swapper/219:10:122
1605228992319,2cyclictest3777245-21sshd00:30:231
160522899231,1cyclictest0-21swapper/100:35:131
160522899231,19cyclictest0-21swapper/100:10:141
160522899230,4cyclictest1676702-21apt-key20:20:011
160522899230,21cyclictest1728286-21ls21:09:591
160522899230,20cyclictest1682973-21irqcore20:25:161
160522899230,20cyclictest0-21swapper/123:35:111
160522899230,20cyclictest0-21swapper/123:15:121
160522899230,20cyclictest0-21swapper/122:25:131
160522899230,20cyclictest0-21swapper/121:40:101
160522899230,20cyclictest0-21swapper/119:20:121
160522899230,20cyclictest0-21swapper/119:10:131
160522899230,20cyclictest0-21swapper/119:10:131
160522699232,2cyclictest1841410-21idleruntime-cro23:00:000
1605226992319,2cyclictest1821373-21/usr/sbin/munin22:40:090
160522699231,2cyclictest1769767-21apt-get21:50:120
160522699231,2cyclictest1748153-21ntpq21:25:210
160522699231,2cyclictest1661651-21apt-get20:05:120
160522699231,21cyclictest1635906-21apt-get19:40:120
160522699231,20cyclictest1856962-21apt-get23:15:130
160522699231,20cyclictest0-21swapper/021:45:000
160522699230,19cyclictest0-21swapper/020:10:120
1605234992220,1cyclictest1687942-21apt-get20:30:133
160523499221,2cyclictest1800239-21apt-get22:20:173
160523499220,20cyclictest1667213-21tr20:10:163
160523499220,20cyclictest0-21swapper/319:55:133
160523499220,19cyclictest0-21swapper/323:40:113
160523499220,19cyclictest0-21swapper/321:50:113
160523499220,19cyclictest0-21swapper/319:45:113
1605232992219,2cyclictest0-21swapper/223:25:132
1605232992219,2cyclictest0-21swapper/222:35:122
1605232992219,2cyclictest0-21swapper/220:25:122
1605232992219,1cyclictest1677358-21apt-get20:20:132
1605232992219,1cyclictest1635906-21apt-get19:40:122
1605232992217,3cyclictest1841683-21apt-get23:00:132
1605232992216,4cyclictest1722300-21ntpq21:00:212
160523299221,2cyclictest3871586-21snmpd23:15:132
160523299221,2cyclictest1666723-21apt-get20:10:122
160523299221,2cyclictest1615562-21apt-get19:20:122
160523299221,20cyclictest1877642-21apt-get23:35:112
160523299221,20cyclictest0-21swapper/223:20:112
160523299221,20cyclictest0-21swapper/222:50:112
160523299221,20cyclictest0-21swapper/221:35:112
160523299221,20cyclictest0-21swapper/200:10:152
160523299220,2cyclictest1728313-21awk21:10:002
160523299220,20cyclictest1728566-21apt-get21:10:152
160523299220,20cyclictest1717332-21smartctl20:55:222
160523299220,19cyclictest1810347-21apt-get22:30:132
1605228992219,1cyclictest0-21swapper/122:55:141
1605228992219,1cyclictest0-21swapper/119:45:111
160522899221,1cyclictest1831538-21apt-get22:50:111
160522899220,2cyclictest1662140-21irqcore20:05:161
160522899220,2cyclictest0-21swapper/122:10:181
160522899220,20cyclictest0-21swapper/120:45:161
160522899220,19cyclictest0-21swapper/123:00:131
1605226992219,2cyclictest1708240-21apt-get20:50:130
1605226992219,1cyclictest1646043-21apt-get19:50:130
1605226992218,3cyclictest1892582-21systemd-run23:50:000
1605226992218,2cyclictest1892825-21apt-get23:50:120
1605226992218,2cyclictest1785000-21apt-get22:05:110
160522699221,2cyclictest1682194-21cron20:25:000
160522699221,1cyclictest1795161-21apt-get22:15:120
160522699220,20cyclictest1728566-21apt-get21:10:160
160522699220,19cyclictest1733372-21apt-get21:15:020
160522699220,19cyclictest0-21swapper/020:45:150
1605234992119,1cyclictest0-21swapper/323:10:183
1605234992119,1cyclictest0-21swapper/321:49:563
1605234992119,1cyclictest0-21swapper/321:49:553
1605234992119,1cyclictest0-21swapper/321:44:013
1605234992118,2cyclictest1621141-21irqcore19:25:163
160523499210,3cyclictest0-21swapper/322:35:153
160523499210,2cyclictest1-21systemd23:24:593
160523499210,2cyclictest0-21swapper/323:34:463
160523499210,20cyclictest64-21kcompactd019:34:593
160523499210,19cyclictest1831270-21basename22:50:003
160523499210,19cyclictest0-21swapper/322:25:133
160523499210,19cyclictest0-21swapper/319:40:123
1605232992119,1cyclictest1897893-21apt-get23:55:122
1605232992119,1cyclictest0-21swapper/221:33:492
1605232992119,1cyclictest0-21swapper/219:46:172
1605232992118,2cyclictest64-21kcompactd022:13:032
1605232992118,2cyclictest0-21swapper/223:10:182
1605232992117,3cyclictest0-21swapper/220:50:132
1605232992117,3cyclictest0-21swapper/220:35:102
1605232992116,3cyclictest1934459-21irqcore00:30:142
160523299210,2cyclictest0-21swapper/220:43:482
160523299210,20cyclictest0-21swapper/200:05:112
1605228992119,2cyclictest64-21kcompactd021:47:471
1605228992119,2cyclictest64-21kcompactd021:47:461
1605228992119,1cyclictest0-21swapper/123:09:291
1605228992119,1cyclictest0-21swapper/120:20:121
1605228992118,2cyclictest0-21swapper/123:20:111
1605228992117,2cyclictest1739610-21irqcore21:20:181
1605228992117,2cyclictest0-21swapper/123:50:121
160522899210,2cyclictest0-21swapper/119:36:041
160522899210,2cyclictest0-21swapper/100:20:131
160522899210,20cyclictest0-21swapper/123:13:481
160522899210,20cyclictest0-21swapper/122:35:111
160522899210,20cyclictest0-21swapper/121:00:121
1605226992119,1cyclictest0-21swapper/022:50:110
1605226992118,2cyclictest1610513-21apt-get19:15:120
1605226992117,2cyclictest1779633-21cron22:00:000
1605226992117,2cyclictest0-21swapper/020:20:010
1605226992114,2cyclictest61650irq/133-enp0s29f1:rx-000:20:000
1605226992114,2cyclictest61650irq/133-enp0s29f1:rx-000:20:000
160522699211,1cyclictest1867507-21apt-get23:25:120
160522699211,19cyclictest1640972-21apt-get19:45:100
160522699210,2cyclictest64-21kcompactd019:56:300
160522699210,2cyclictest0-21swapper/022:10:170
160522699210,20cyclictest0-21swapper/022:25:120
160522699210,20cyclictest0-21swapper/000:05:120
160522699210,1cyclictest702-21runrttasks21:00:120
160522699210,19cyclictest1907885-21unin-run00:05:000
1605234992018,1cyclictest0-21swapper/323:25:133
1605234992018,1cyclictest0-21swapper/322:55:143
1605234992018,1cyclictest0-21swapper/321:55:123
1605234992018,1cyclictest0-21swapper/320:04:013
1605234992018,1cyclictest0-21swapper/300:00:003
1605234992017,2cyclictest1-21systemd20:45:003
1605234992017,1cyclictest1939064-21apt-get00:35:123
1605234992017,1cyclictest0-21swapper/323:50:123
160523499201,18cyclictest0-21swapper/321:15:153
160523499200,1cyclictest0-21swapper/322:30:133
160523499200,1cyclictest0-21swapper/322:00:143
160523499200,1cyclictest0-21swapper/320:55:113
160523499200,1cyclictest0-21swapper/319:20:123
160523499200,1cyclictest0-21swapper/300:20:133
160523499200,1cyclictest0-21swapper/300:15:133
160523499200,1cyclictest0-21swapper/300:15:123
160523499200,19cyclictest0-21swapper/322:53:543
160523499200,19cyclictest0-21swapper/322:40:113
160523499200,19cyclictest0-21swapper/320:53:293
160523499200,19cyclictest0-21swapper/320:49:433
160523499200,19cyclictest0-21swapper/320:20:123
160523499200,19cyclictest0-21swapper/300:05:013
1605232992018,1cyclictest0-21swapper/221:15:152
1605232992018,1cyclictest0-21swapper/219:15:112
1605232992017,2cyclictest1887780-21apt-get23:45:142
160523299200,1cyclictest0-21swapper/219:55:022
160523299200,1cyclictest0-21swapper/219:30:112
1605228992018,1cyclictest0-21swapper/123:46:361
1605228992018,1cyclictest0-21swapper/122:40:101
1605228992018,1cyclictest0-21swapper/122:20:161
1605228992018,1cyclictest0-21swapper/121:39:431
1605228992018,1cyclictest0-21swapper/120:40:121
1605228992017,2cyclictest1744702-21ps21:25:171
1605228992015,3cyclictest1621144-21sort19:25:161
160522899200,1cyclictest0-21swapper/120:00:131
160522899200,1cyclictest0-21swapper/100:25:131
160522899200,19cyclictest0-21swapper/100:15:131
160522899200,19cyclictest0-21swapper/100:15:121
1605226992019,1cyclictest64-21kcompactd020:04:330
1605226992018,1cyclictest64-21kcompactd023:32:050
1605226992018,1cyclictest0-21swapper/023:40:100
1605226992018,1cyclictest0-21swapper/023:10:260
1605226992018,1cyclictest0-21swapper/021:45:140
1605226992018,1cyclictest0-21swapper/021:45:130
1605226992018,1cyclictest0-21swapper/020:30:130
1605226992018,1cyclictest0-21swapper/019:14:020
1605226992018,1cyclictest0-21swapper/019:14:020
1605226992017,2cyclictest1619464-21ntpq19:20:200
1605226992017,2cyclictest0-21swapper/022:30:140
1605226992016,3cyclictest702-21runrttasks23:35:240
160522699200,1cyclictest0-21swapper/019:35:140
160522699200,1cyclictest0-21swapper/000:20:110
160522699200,19cyclictest1753339-21ntpq21:30:200
160522699200,19cyclictest0-21swapper/023:20:210
160522699200,19cyclictest0-21swapper/023:09:290
160522699200,19cyclictest0-21swapper/022:20:170
160522699200,19cyclictest0-21swapper/019:25:120
1605234991918,1cyclictest0-21swapper/322:19:293
1605234991917,1cyclictest0-21swapper/323:15:133
1605234991917,1cyclictest0-21swapper/319:35:143
1605234991916,2cyclictest1789815-21cron22:10:003
1605234991915,2cyclictest1718399-21apt-get21:00:133
160523499190,1cyclictest0-21swapper/319:15:113
1605232991917,2cyclictest64-21kcompactd021:52:042
1605232991917,1cyclictest0-21swapper/222:15:102
1605232991917,1cyclictest0-21swapper/220:05:122
1605232991916,2cyclictest0-21swapper/200:35:122
1605232991914,3cyclictest1743944-21awk21:25:002
1605228991917,1cyclictest0-21swapper/119:15:121
1605228991916,2cyclictest1692025-21chrt20:30:251
1605228991916,1cyclictest0-21swapper/122:45:131
1605228991916,1cyclictest0-21swapper/122:03:221
1605226991917,1cyclictest1700335-21ps20:40:180
1605226991917,1cyclictest1686412-21ntpq20:25:210
1605226991917,1cyclictest0-21swapper/022:00:140
160522699190,1cyclictest0-21swapper/019:30:120
1605234991816,1cyclictest1887780-21apt-get23:45:133
1605234991816,1cyclictest0-21swapper/321:20:143
1605234991815,1cyclictest0-21swapper/320:35:103
1605228991816,1cyclictest0-21swapper/100:09:591
1605228991815,1cyclictest0-21swapper/119:40:121
1605228991814,3cyclictest1650885-21apt-config19:55:001
1605226991816,1cyclictest0-21swapper/022:45:130
1605226991816,1cyclictest0-21swapper/022:40:000
1605234991715,1cyclictest1851638-21munin-run23:10:003
160523299172,4cyclictest0-21swapper/200:15:232
160523299172,4cyclictest0-21swapper/200:15:222
1605232991715,1cyclictest0-21swapper/223:43:542
1605232991714,2cyclictest0-21swapper/220:00:112
160523299170,8cyclictest1625496-21munin-plugin-st19:30:002
1605228991715,1cyclictest0-21swapper/121:30:121
1605228991714,2cyclictest3871586-21snmpd21:15:001
1605228991714,2cyclictest0-21swapper/121:50:121
1605226991717,0cyclictest0-21swapper/023:56:480
1605226991713,3cyclictest61650irq/133-enp0s29f1:rx-023:05:010
1605234991613,2cyclictest1790600-21irqcore22:10:223
1605234991613,2cyclictest1754492-21apt-get21:35:123
1605232991613,2cyclictest1749060-21cron21:30:002
1605228991614,2cyclictest64-21kcompactd022:07:081
1605228991614,1cyclictest0-21swapper/121:55:121
1605226991613,2cyclictest61650irq/133-enp0s29f1:rx-000:35:110
1605234991510,4cyclictest1918240-21sshd00:12:393
1605232991513,1cyclictest0-21swapper/222:20:022
160523299150,15cyclictest0-21swapper/223:54:592
160523499148,4cyclictest1912865-21grep00:05:243
1605234991410,2cyclictest0-21swapper/300:25:223
1605232991410,3cyclictest1830849-21unixbench_singl22:45:262
1605228991410,2cyclictest1872298-21cron23:30:001
1605226991412,1cyclictest0-21swapper/000:10:230
1605226991411,2cyclictest61650irq/133-enp0s29f1:rx-000:30:160
1605234991310,2cyclictest1744580-21gltestperf21:25:163
160523499129,2cyclictest0-21swapper/319:10:153
160523499129,2cyclictest0-21swapper/319:10:153
1605234991211,1cyclictest64-21kcompactd000:33:213
1605234991210,1cyclictest0-21swapper/323:35:113
160522699108,1cyclictest0-21swapper/019:09:590
16052349997,1cyclictest0-21swapper/319:10:003
16052329990,2cyclictest1605333-21latency_hist19:10:002
16052289997,1cyclictest0-21swapper/119:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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