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2026-03-22 - 20:14
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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 all highest latencies:
System rackeslot4.osadl.org (updated Sun Mar 22, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
184779899282,22cyclictest1970923-21apt-get09:10:113
1847798992621,3cyclictest1965592-21cron09:05:003
1847795992618,2cyclictest191rcu_preempt10:00:002
184779599261,21cyclictest2151005-21apt-get12:05:132
184779899252,21cyclictest2166307-21apt-get12:20:123
184779899252,21cyclictest1894110-21apt-get07:55:123
184779899251,22cyclictest2079297-21apt-get10:55:113
1847795992521,2cyclictest1863297-21apt-get07:25:142
184779599251,20cyclictest1940105-21apt-get08:40:112
184779199251,3cyclictest2161214-21apt-get12:15:121
184779199251,3cyclictest1903136-21ntpq08:00:221
184779199251,21cyclictest2130778-21apt-get11:45:111
1847786992514,10cyclictest0-21swapper/011:25:130
1847798992420,2cyclictest2125702-21apt-get11:40:113
1847798992420,2cyclictest1919845-21apt-get08:20:123
1847798992420,2cyclictest1872478-21memory07:30:183
1847798992419,3cyclictest2011538-21systemd-run09:50:003
1847798992419,3cyclictest1981021-21apt-get09:20:103
1847798992419,3cyclictest1858240-21apt-get07:20:103
184779899241,3cyclictest2068912-21cron10:45:003
184779899241,2cyclictest2028225-21apt-get10:05:123
184779899241,21cyclictest2110475-21apt-get11:25:133
184779899241,21cyclictest1965870-21apt-get09:05:143
184779899241,21cyclictest0-21swapper/312:25:123
184779899241,21cyclictest0-21swapper/310:15:123
184779599241,20cyclictest2069196-21apt-get10:45:162
1847791992420,2cyclictest2094931-21apt-get11:10:121
1847786992422,1cyclictest2150700-21fwupd12:04:480
184779899232,1cyclictest2022208-21latency_hist10:00:003
1847798992319,2cyclictest1873801-21apt-get07:35:103
1847798992318,3cyclictest1909717-21apt-get08:10:113
184779899231,2cyclictest2115550-21apt-get11:30:123
184779899231,2cyclictest1853139-21apt-get07:15:133
184779899230,21cyclictest1950155-21wc08:50:013
1847795992320,2cyclictest2012192-21apt-get09:50:122
184779599231,19cyclictest1879346-21tr07:40:172
184779599230,20cyclictest2105380-21apt-get11:20:022
184779599230,20cyclictest0-21swapper/212:15:132
184779199230,21cyclictest1909720-21chrt08:10:111
184779199230,20cyclictest0-21swapper/112:35:131
184779199230,20cyclictest0-21swapper/112:25:121
184779199230,20cyclictest0-21swapper/111:30:111
184779199230,20cyclictest0-21swapper/109:20:111
184778699232,20cyclictest2099982-21apt-get11:15:110
1847786992318,3cyclictest1878609-21awk07:40:000
184778699231,3cyclictest1991153-21apt-get09:30:110
184778699231,2cyclictest2026676-21ntpq10:00:200
184778699231,20cyclictest1935054-21apt-get08:35:130
184778699230,22cyclictest2069685-21irqcore10:45:190
184778699230,20cyclictest0-21swapper/012:10:120
184778699230,20cyclictest0-21swapper/008:00:120
1847798992219,1cyclictest0-21swapper/309:35:113
1847798992214,5cyclictest1925408-21sed08:25:163
184779899221,2cyclictest0-21swapper/310:30:123
184779899221,2cyclictest0-21swapper/310:30:113
184779899221,2cyclictest0-21swapper/310:05:003
184779899221,20cyclictest0-21swapper/309:33:573
184779899221,20cyclictest0-21swapper/308:50:033
184779899221,1cyclictest0-21swapper/312:15:133
184779899220,2cyclictest2104731-21apt-get11:20:023
184779899220,2cyclictest0-21swapper/311:55:113
184779899220,2cyclictest0-21swapper/311:14:283
184779899220,2cyclictest0-21swapper/309:50:123
184779899220,20cyclictest0-21swapper/310:20:133
1847795992218,3cyclictest2094652-21cron11:10:002
1847795992218,3cyclictest1985801-21cron09:24:592
1847795992218,2cyclictest2007023-21fw_forwarded_lo09:45:142
184779599221,1cyclictest2124541-21ntpq11:35:212
184779599221,1cyclictest0-21swapper/210:40:122
184779599221,1cyclictest0-21swapper/209:25:092
184779599220,2cyclictest2145620-21cron11:59:592
184779599220,21cyclictest261-21systemd-journal10:05:002
184779599220,19cyclictest0-21swapper/212:00:122
184779599220,19cyclictest0-21swapper/210:50:122
184779599220,19cyclictest0-21swapper/209:00:112
184779599220,19cyclictest0-21swapper/208:45:142
184779199221,20cyclictest2088237-21ntpq11:00:191
184779199221,1cyclictest0-21swapper/110:19:381
184779199220,2cyclictest1857962-21cron07:20:001
184779199220,20cyclictest2047343-21ntpq10:20:211
184779199220,19cyclictest0-21swapper/110:50:121
184779199220,19cyclictest0-21swapper/110:45:151
184779199220,19cyclictest0-21swapper/110:40:121
184779199220,19cyclictest0-21swapper/109:15:111
1847786992217,4cyclictest2011532-21true09:50:000
184778699221,1cyclictest2074267-21apt-get10:50:130
184778699220,19cyclictest0-21swapper/007:20:110
1847798992119,1cyclictest0-21swapper/312:10:173
1847798992119,1cyclictest0-21swapper/309:40:113
1847798992118,2cyclictest0-21swapper/311:05:523
1847798992118,1cyclictest0-21swapper/311:00:113
1847798992118,1cyclictest0-21swapper/308:05:123
1847798992117,3cyclictest0-21swapper/308:35:143
1847798992117,2cyclictest1975965-21apt-get09:15:113
184779899211,18cyclictest0-21swapper/308:30:113
184779899210,2cyclictest1-21systemd10:15:003
184779899210,1cyclictest1878857-21apt-get07:40:133
184779899210,1cyclictest0-21swapper/307:25:143
1847795992118,2cyclictest1878603-21munin-run07:39:592
1847795992118,2cyclictest0-21swapper/208:00:002
1847795992117,2cyclictest2176903-21ps12:30:162
1847795992117,2cyclictest1848018-21apt-get07:10:132
1847795992116,4cyclictest1930499-21cut08:30:162
184779599210,2cyclictest2084074-21cron11:00:002
1847791992119,1cyclictest64-21kcompactd007:20:051
1847791992119,1cyclictest1935537-21ps08:35:181
1847791992119,1cyclictest0-21swapper/110:55:111
1847791992119,1cyclictest0-21swapper/109:40:111
1847791992119,1cyclictest0-21swapper/109:10:111
1847791992119,1cyclictest0-21swapper/108:45:131
1847791992118,2cyclictest1924674-21idleruntime-cro08:25:001
1847791992118,1cyclictest2027538-21apt-get10:05:031
1847791992118,1cyclictest0-21swapper/109:00:111
1847791992117,3cyclictest1930492-21ps08:30:161
184779199211,1cyclictest2033278-21apt-get10:10:121
184779199211,19cyclictest0-21swapper/108:40:111
184779199210,20cyclictest0-21swapper/110:35:001
184779199210,20cyclictest0-21swapper/110:35:001
184779199210,20cyclictest0-21swapper/109:29:381
1847786992119,1cyclictest0-21swapper/009:20:100
1847786992118,2cyclictest0-21swapper/010:30:230
1847786992118,2cyclictest0-21swapper/010:30:230
1847786992118,1cyclictest0-21swapper/009:05:140
1847786992116,4cyclictest1852867-21awk07:15:000
184778699211,19cyclictest2048465-21apt-get10:25:110
184778699211,19cyclictest0-21swapper/011:10:120
184778699211,19cyclictest0-21swapper/010:10:160
184778699210,20cyclictest0-21swapper/008:50:130
184778699210,1cyclictest0-21swapper/009:25:100
184778699210,19cyclictest0-21swapper/012:05:120
1847798992018,1cyclictest481rcuc/311:35:113
1847798992018,1cyclictest2150696-21fwupdmgr12:04:483
1847798992018,1cyclictest0-21swapper/310:26:373
1847798992018,1cyclictest0-21swapper/308:59:323
1847798992016,2cyclictest0-21swapper/312:30:123
184779899200,1cyclictest0-21swapper/311:15:133
184779899200,19cyclictest0-21swapper/307:46:583
184779899200,19cyclictest0-21swapper/307:46:573
1847795992018,1cyclictest0-21swapper/211:15:122
1847795992018,1cyclictest0-21swapper/208:54:102
1847795992018,1cyclictest0-21swapper/208:16:322
1847795992017,2cyclictest1960538-21cron09:00:002
184779599200,1cyclictest2135809-21apt-get11:50:132
184779599200,1cyclictest0-21swapper/212:25:202
184779599200,1cyclictest0-21swapper/212:10:122
184779599200,1cyclictest0-21swapper/208:00:122
184779599200,1cyclictest0-21swapper/207:45:142
184779599200,1cyclictest0-21swapper/207:45:132
184779599200,1cyclictest0-21swapper/207:20:102
1847791992018,1cyclictest0-21swapper/111:55:111
1847791992017,2cyclictest2090344-21cut11:05:171
1847791992017,2cyclictest1887932-21ntpq07:45:241
1847791992017,2cyclictest1887932-21ntpq07:45:241
1847791992016,2cyclictest0-21swapper/110:00:001
1847791992016,2cyclictest0-21swapper/109:05:141
184779199200,2cyclictest261-21systemd-journal08:00:001
184779199200,1cyclictest0-21swapper/112:10:231
184779199200,1cyclictest0-21swapper/111:50:121
184779199200,1cyclictest0-21swapper/107:40:131
184779199200,19cyclictest0-21swapper/107:38:541
1847786992018,1cyclictest0-21swapper/012:37:160
1847786992018,1cyclictest0-21swapper/011:30:120
1847786992018,1cyclictest0-21swapper/007:55:120
1847786992017,2cyclictest1980744-21cron09:19:590
1847786992017,1cyclictest0-21swapper/010:55:110
184778699201,1cyclictest1889035-21apt-get07:50:120
184778699200,20cyclictest0-21swapper/010:35:130
184778699200,1cyclictest0-21swapper/011:20:120
184778699200,1cyclictest0-21swapper/011:04:150
184778699200,1cyclictest0-21swapper/010:08:530
184778699200,1cyclictest0-21swapper/009:50:120
184778699200,1cyclictest0-21swapper/008:20:210
184778699200,1cyclictest0-21swapper/008:15:130
184778699200,1cyclictest0-21swapper/007:15:130
184778699200,19cyclictest2131273-21ps11:45:150
184778699200,19cyclictest2043114-21idleruntime-cro10:20:000
184778699200,19cyclictest2006076-21gpgv09:45:000
184778699200,19cyclictest0-21swapper/012:30:190
184778699200,19cyclictest0-21swapper/011:50:130
184778699200,19cyclictest0-21swapper/010:22:520
184778699200,19cyclictest0-21swapper/007:45:230
184778699200,19cyclictest0-21swapper/007:45:230
184778699200,19cyclictest0-21swapper/007:30:200
1847798991916,2cyclictest0-21swapper/307:10:133
1847798991915,3cyclictest0-21swapper/312:35:133
1847795991917,1cyclictest2089201-21gpgv11:05:012
1847795991917,1cyclictest0-21swapper/209:35:122
184779599190,1cyclictest0-21swapper/210:05:122
1847791991917,1cyclictest64-21kcompactd009:30:111
1847791991917,1cyclictest1996230-21apt-get09:35:131
1847791991917,1cyclictest0-21swapper/107:25:141
1847791991916,2cyclictest0-21swapper/111:25:131
1847791991914,3cyclictest2023211-21grep10:00:141
184779199190,1cyclictest0-21swapper/108:50:131
1847786991918,1cyclictest0-21swapper/012:22:130
1847786991917,1cyclictest0-21swapper/009:00:120
1847786991917,1cyclictest0-21swapper/007:25:140
184778699190,1cyclictest0-21swapper/012:15:120
184778699190,1cyclictest0-21swapper/010:45:000
184778699190,19cyclictest0-21swapper/009:55:090
184778699190,18cyclictest1949998-21true08:50:000
1847798991815,2cyclictest261-21systemd-journal10:36:473
1847795991816,1cyclictest0-21swapper/211:25:232
1847795991816,1cyclictest0-21swapper/211:10:122
1847795991816,1cyclictest0-21swapper/209:30:112
1847795991815,2cyclictest2059065-21apt-get10:35:122
1847795991815,1cyclictest0-21swapper/209:10:122
1847795991814,2cyclictest0-21swapper/211:30:122
1847791991816,1cyclictest1909072-21dpkg08:10:001
1847791991816,1cyclictest0-21swapper/111:15:111
1847791991816,1cyclictest0-21swapper/110:25:111
1847791991816,1cyclictest0-21swapper/108:29:581
1847791991813,4cyclictest1848379-21gltestperf07:10:161
184779199180,0cyclictest0-21swapper/107:30:181
1847786991816,1cyclictest0-21swapper/009:10:110
1847786991816,1cyclictest0-21swapper/008:30:110
184779899173,4cyclictest2078099-21awk10:50:193
184779899172,3cyclictest2135795-21find11:50:113
1847798991715,1cyclictest0-21swapper/311:47:173
1847798991715,1cyclictest0-21swapper/308:40:103
1847798991711,4cyclictest1990175-21/usr/sbin/munin09:25:213
184779599177,9cyclictest0-21swapper/211:50:012
1847795991715,1cyclictest0-21swapper/207:50:132
1847795991714,2cyclictest1909020-21idleruntime-cro08:10:002
1847795991714,2cyclictest0-21swapper/209:45:002
1847795991713,3cyclictest514-21in:imuxsock09:10:002
1847795991713,2cyclictest0-21swapper/208:35:142
1847791991715,1cyclictest2006050-21apt-get09:45:021
1847786991716,1cyclictest0-21swapper/008:42:200
1847786991716,1cyclictest0-21swapper/007:44:170
1847786991715,1cyclictest0-21swapper/011:55:110
1847786991714,2cyclictest61650irq/133-enp0s29f1:rx-008:25:160
1847786991713,2cyclictest1909353-21latency_hist08:10:010
184779899161,4cyclictest1919178-21awk08:15:243
1847798991612,3cyclictest2155044-21nvmesmart_nvme012:05:223
1847795991614,1cyclictest0-21swapper/208:20:112
1847795991612,2cyclictest0-21swapper/210:30:002
1847791991613,2cyclictest0-21swapper/112:00:111
1847791991613,2cyclictest0-21swapper/108:15:121
184779199160,3cyclictest0-21swapper/111:40:231
1847786991614,1cyclictest64-21kcompactd008:55:460
1847786991613,2cyclictest61650irq/133-enp0s29f1:rx-008:10:110
1847786991612,3cyclictest61650irq/133-enp0s29f1:rx-012:29:590
184779899152,2cyclictest2069451-21perl10:45:183
1847798991510,3cyclictest1899187-21apt-get08:00:113
1847795991512,2cyclictest2038331-21apt-get10:15:122
1847786991512,2cyclictest61650irq/133-enp0s29f1:rx-011:40:010
184778699150,14cyclictest2125442-21turbostat.cron11:44:550
184779599149,4cyclictest1-21systemd10:25:012
1847795991410,2cyclictest2181491-21apt-get12:35:132
1847795991410,2cyclictest1853215-21cpuspeed_turbos07:15:142
1847791991412,1cyclictest0-21swapper/112:06:061
1847786991412,1cyclictest0-21swapper/009:38:470
184779599139,3cyclictest2130528-21idleruntime-cro11:45:002
184779599137,4cyclictest2058764-21sshd10:34:482
184779599137,4cyclictest2058764-21sshd10:34:472
184779599136,5cyclictest1910012-21grep08:10:142
1847791991311,1cyclictest0-21swapper/111:35:121
184778699139,3cyclictest61650irq/133-enp0s29f1:rx-011:05:120
184779599129,2cyclictest1924996-21cpuspeed_turbos08:25:122
1847795991210,1cyclictest0-21swapper/209:19:262
184779199129,2cyclictest311ktimers/112:20:231
184779199120,1cyclictest191rcu_preempt07:50:211
184779599119,1cyclictest0-21swapper/210:14:162
184779599111,1cyclictest2171090-21latency_hist12:25:012
184779199119,1cyclictest377-21hwrng12:33:521
184779199118,2cyclictest0-21swapper/110:35:171
184779599108,2cyclictest401ktimers/207:30:132
184779599105,4cyclictest1847792-21latency_hist07:09:592
184779199108,1cyclictest0-21swapper/109:55:011
184779199108,1cyclictest0-21swapper/107:09:591
184778699101,8cyclictest1847731-21latency_hist07:10:000
18477989993,5cyclictest1847938-21date07:09:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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