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2026-04-03 - 08:49
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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 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
1820374992118,2cyclictest0-21swapper/223:30:102
1820374992118,2cyclictest0-21swapper/223:10:122
1820374992118,2cyclictest0-21swapper/223:10:112
1820374992118,2cyclictest0-21swapper/220:40:122
182037499211,1cyclictest0-21swapper/223:35:122
182037499211,1cyclictest0-21swapper/220:36:512
182037499211,1cyclictest0-21swapper/220:36:502
182037499210,2cyclictest261-21systemd-journal22:59:592
182037499210,20cyclictest64-21kcompactd022:20:562
1820371992119,1cyclictest64-21kcompactd021:59:571
1820371992119,1cyclictest1993932-21apt-get22:00:121
1820371992119,1cyclictest0-21swapper/119:55:111
1820371992119,1cyclictest0-21swapper/100:15:111
1820371992119,1cyclictest0-21swapper/100:00:111
1820371992118,2cyclictest1821079-21ps19:10:151
1820371992118,2cyclictest0-21swapper/121:40:121
1820371992118,1cyclictest0-21swapper/121:00:101
1820371992117,2cyclictest1850877-21apt-get19:40:111
182037199211,1cyclictest0-21swapper/123:28:171
182037199211,19cyclictest1978301-21apt-get21:45:101
1820371992110,2cyclictest191rcu_preempt00:35:141
182037199210,2cyclictest0-21swapper/120:00:111
182037199210,2cyclictest0-21swapper/100:30:141
182037199210,20cyclictest0-21swapper/122:55:121
182037199210,20cyclictest0-21swapper/121:15:141
182037199210,19cyclictest0-21swapper/120:45:111
1820368992119,1cyclictest1912088-21apt-get20:40:110
1820368992119,1cyclictest0-21swapper/021:55:100
1820368992118,2cyclictest2085883-21cron23:30:000
1820368992118,2cyclictest1952993-21apt-get21:20:120
1820368992118,2cyclictest1947218-21idleruntime-cro21:15:000
1820368992118,2cyclictest1907011-21apt-get20:35:110
1820368992118,2cyclictest1907011-21apt-get20:35:100
1820368992118,1cyclictest2111587-21apt-get23:55:110
1820368992117,3cyclictest514-21in:imuxsock21:35:010
182036899210,20cyclictest64-21kcompactd019:46:510
182036899210,20cyclictest64-21kcompactd019:39:520
182036899210,20cyclictest2039446-21turbostat22:45:000
182036899210,20cyclictest0-21swapper/019:20:010
182036899210,19cyclictest2070249-21cron23:15:000
182036899210,19cyclictest2070249-21cron23:15:000
1820378992018,1cyclictest64-21kcompactd019:33:253
1820378992018,1cyclictest0-21swapper/323:35:113
1820378992018,1cyclictest0-21swapper/320:10:123
1820378992018,1cyclictest0-21swapper/300:15:173
1820378992017,2cyclictest2121724-21apt-get00:05:133
1820378992017,1cyclictest2141963-21apt-get00:25:123
1820378992017,1cyclictest0-21swapper/321:05:123
1820378992016,2cyclictest0-21swapper/321:05:003
182037899200,1cyclictest0-21swapper/323:55:113
182037899200,1cyclictest0-21swapper/323:25:133
182037899200,1cyclictest0-21swapper/319:20:103
182037899200,1cyclictest0-21swapper/319:15:113
182037899200,19cyclictest0-21swapper/321:15:143
182037899200,19cyclictest0-21swapper/319:50:123
182037899200,19cyclictest0-21swapper/319:27:293
182037899200,19cyclictest0-21swapper/319:10:113
1820374992018,1cyclictest0-21swapper/223:55:112
1820374992017,1cyclictest0-21swapper/200:30:142
1820374992015,3cyclictest1825652-21apt-get19:15:122
182037499200,19cyclictest64-21kcompactd020:12:062
1820371992018,1cyclictest0-21swapper/100:05:121
1820371992016,3cyclictest1881748-21tr20:10:151
182037199200,1cyclictest301rcuc/123:10:161
182037199200,1cyclictest301rcuc/123:10:161
182037199200,1cyclictest1901296-21systemd-run20:29:591
182037199200,1cyclictest0-21swapper/100:25:121
182037199200,19cyclictest64-21kcompactd022:37:041
182037199200,18cyclictest1880978-21cron20:10:001
1820368992018,1cyclictest1958047-21apt-get21:25:120
1820368992018,1cyclictest1893618-21ps20:20:170
1820368992018,1cyclictest0-21swapper/022:59:060
1820368992017,2cyclictest1975424-21ps21:40:170
1820368992017,2cyclictest0-21swapper/021:05:140
182036899201,18cyclictest0-21swapper/022:10:000
182036899200,1cyclictest0-21swapper/021:35:110
182036899200,1cyclictest0-21swapper/020:10:110
182036899200,1cyclictest0-21swapper/019:50:120
182036899200,19cyclictest64-21kcompactd023:53:330
182036899200,19cyclictest64-21kcompactd000:35:280
182036899200,19cyclictest0-21swapper/023:45:130
182036899200,19cyclictest0-21swapper/000:15:120
1820378991918,1cyclictest0-21swapper/320:20:103
1820378991918,1cyclictest0-21swapper/319:45:113
1820378991917,1cyclictest1891115-21cron20:20:003
1820378991917,1cyclictest0-21swapper/323:50:193
1820378991917,1cyclictest0-21swapper/323:10:163
1820378991917,1cyclictest0-21swapper/323:10:163
1820378991917,1cyclictest0-21swapper/319:42:323
1820378991916,2cyclictest2137372-21irqcore00:20:153
1820378991916,2cyclictest0-21swapper/322:35:003
1820378991915,2cyclictest2034329-21sh22:40:003
182037899190,1cyclictest0-21swapper/322:40:123
182037899190,1cyclictest0-21swapper/320:45:123
1820374991916,2cyclictest1963101-21apt-get21:30:122
1820374991915,2cyclictest0-21swapper/223:50:112
1820374991914,3cyclictest2156860-21cron00:39:592
182037499190,1cyclictest0-21swapper/222:05:122
1820371991917,1cyclictest0-21swapper/123:50:111
1820371991916,2cyclictest64-21kcompactd019:47:231
1820371991914,3cyclictest2060413-21apt-get23:05:121
182037199190,19cyclictest0-21swapper/120:57:171
182037199190,18cyclictest0-21swapper/100:00:001
1820368991918,1cyclictest0-21swapper/022:48:210
1820368991917,1cyclictest0-21swapper/023:18:520
1820368991917,1cyclictest0-21swapper/000:10:130
1820368991916,2cyclictest2091252-21apt-get23:35:120
1820368991916,2cyclictest2009139-21apt-get22:15:120
1820368991916,2cyclictest0-21swapper/019:59:590
182036899190,1cyclictest1891144-21awk20:19:590
182036899190,19cyclictest0-21swapper/019:40:110
182036899190,18cyclictest0-21swapper/022:00:110
182036899190,18cyclictest0-21swapper/021:04:160
1820378991816,1cyclictest0-21swapper/323:05:123
1820374991816,1cyclictest64-21kcompactd000:16:392
1820374991816,1cyclictest0-21swapper/222:45:132
1820374991816,1cyclictest0-21swapper/200:20:112
1820374991815,2cyclictest0-21swapper/221:25:122
1820368991816,1cyclictest0-21swapper/021:48:410
1820368991814,3cyclictest61650irq/133-enp0s29f1:rx-023:20:120
182036899180,1cyclictest0-21swapper/022:50:090
182036899180,17cyclictest0-21swapper/020:30:110
1820378991716,1cyclictest0-21swapper/320:50:183
1820378991715,1cyclictest0-21swapper/321:25:123
1820378991714,2cyclictest2874423-21kworker/3:2+events20:05:113
1820378991714,2cyclictest1993323-21apt-key22:00:013
1820378991713,3cyclictest1874881-21missed_timers20:00:183
1820378991713,2cyclictest0-21swapper/323:30:103
1820374991715,1cyclictest0-21swapper/222:15:172
1820374991714,1cyclictest0-21swapper/222:50:082
1820374991714,1cyclictest0-21swapper/222:10:122
1820374991712,3cyclictest2122214-21irqcore00:05:162
1820371991715,1cyclictest0-21swapper/121:10:131
1820368991715,1cyclictest0-21swapper/022:25:120
1820368991715,1cyclictest0-21swapper/021:50:130
1820368991715,1cyclictest0-21swapper/000:05:120
1820368991714,2cyclictest61650irq/133-enp0s29f1:rx-020:05:190
1820368991714,2cyclictest2062633-21ps23:05:170
1820368991712,3cyclictest0-21swapper/020:50:000
1820378991613,2cyclictest0-21swapper/322:15:003
1820374991614,1cyclictest0-21swapper/219:10:112
1820374991613,2cyclictest1855659-21awk19:44:592
1820374991612,2cyclictest2076063-21irqcore23:20:162
1820371991614,1cyclictest1830687-21apt-get19:20:101
1820371991614,1cyclictest0-21swapper/122:50:001
1820371991614,1cyclictest0-21swapper/121:30:121
1820371991614,1cyclictest0-21swapper/121:25:111
1820371991613,2cyclictest0-21swapper/122:10:111
1820368991612,3cyclictest2055461-21cpuspeed_turbos23:00:120
1820378991511,3cyclictest1846114-21gltestperf19:35:133
182037499159,4cyclictest2023985-21sshd22:27:342
1820371991512,2cyclictest514-21in:imuxsock19:40:001
1820371991512,2cyclictest0-21swapper/120:42:461
1820368991512,2cyclictest61650irq/133-enp0s29f1:rx-022:35:140
1820368991512,2cyclictest61650irq/133-enp0s29f1:rx-020:25:110
1820368991512,2cyclictest2004168-21cpuspeed_turbos22:10:120
1820368991512,2cyclictest1840793-21apt-get19:30:110
1820374991411,2cyclictest1891649-21fschecks_time20:20:132
1820374991411,2cyclictest0-21swapper/223:00:022
1820374991410,3cyclictest1845068-21unixbench_multi19:30:232
1820374991410,3cyclictest1830944-21fschecks_time19:20:122
1820368991413,1cyclictest0-21swapper/019:24:160
1820368991412,2cyclictest61650irq/133-enp0s29f1:rx-023:40:380
1820368991411,2cyclictest61650irq/133-enp0s29f1:rx-019:25:110
1820368991411,2cyclictest2141225-21unixbench_multi00:20:240
1820368991410,3cyclictest2024663-21fschecks_count22:30:150
1820378991312,1cyclictest0-21swapper/322:20:133
1820371991310,2cyclictest2017667-21kthreadcore22:20:191
1820371991310,2cyclictest0-21swapper/119:15:121
182037899128,2cyclictest0-21swapper/321:30:123
182036899126,4cyclictest2146860-21cat00:30:020
182037899105,3cyclictest1820296-21latency_hist19:10:013
182037199101,3cyclictest1820296-21latency_hist19:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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