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2026-09-11 - 23:12
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Fri Sep 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
191832499320,4cyclictest2233826-21seq12:15:202
191832499301,2cyclictest2055796-21munin-run09:25:002
1918328992920,5cyclictest1995018-21apt-get08:25:113
191832899291,24cyclictest2061119-21apt-get09:30:153
191832499294,2cyclictest2214480-21idleruntime-cro12:00:002
191832499291,2cyclictest2204664-21ps11:50:162
191832499291,2cyclictest2127486-21apt-get10:35:142
191832499290,22cyclictest1968600-21gcc07:55:222
191832899282,22cyclictest1928654-21apt-get07:20:113
191832899281,2cyclictest2235009-21apt-get12:20:113
191832499280,19cyclictest0-21swapper/207:45:122
191832499280,19cyclictest0-21swapper/207:45:112
191832899275,2cyclictest0-21swapper/311:10:143
1918328992713,2cyclictest2203669-21latency_hist11:50:003
191832899271,23cyclictest0-21swapper/307:45:123
191832899271,23cyclictest0-21swapper/307:45:113
191832899271,22cyclictest2040796-21apt-get09:10:113
191832899270,20cyclictest0-21swapper/312:30:183
1918324992717,9cyclictest509-21systemd-logind11:50:002
191832499270,1cyclictest0-21swapper/211:15:002
191832499270,19cyclictest1933891-21taskset07:25:142
1918328992616,8cyclictest0-21swapper/312:05:113
191832899261,21cyclictest2250220-21apt-get12:35:113
191832499261,2cyclictest1974777-21apt-get08:05:122
191831899261,23cyclictest0-21swapper/010:00:150
1918328992519,4cyclictest0-21swapper/310:05:123
191832899251,3cyclictest2193298-21basename11:40:013
191832899251,23cyclictest64-21kcompactd009:50:353
191832899251,20cyclictest0-21swapper/311:15:113
191832899251,20cyclictest0-21swapper/310:30:123
1918324992516,8cyclictest1918313-21cyclictest12:25:002
191832499251,20cyclictest1938808-21apt-get07:30:122
191832499250,1cyclictest0-21swapper/209:53:162
191832299252,3cyclictest2137660-21apt-get10:45:121
191832299251,21cyclictest2092014-21apt-get10:00:121
191832299251,20cyclictest2183458-21apt-get11:30:181
191832299251,20cyclictest0-21swapper/107:20:111
1918318992520,3cyclictest2214748-21apt-get12:00:110
191831899251,21cyclictest2071304-21apt-get09:40:110
1918328992419,4cyclictest0-21swapper/312:15:213
1918328992418,5cyclictest0-21swapper/310:20:123
1918328992415,2cyclictest64-21kcompactd008:02:323
191832899241,3cyclictest2056057-21apt-get09:25:113
191832899241,20cyclictest2133051-21irqcore10:40:153
191832899241,20cyclictest0-21swapper/311:55:113
191832899241,20cyclictest0-21swapper/309:20:113
191832899240,23cyclictest0-21swapper/310:57:463
191832899240,22cyclictest2229662-21cron12:15:003
191832899240,20cyclictest0-21swapper/307:50:113
1918324992418,5cyclictest0-21swapper/210:20:122
191832499241,20cyclictest2117388-21apt-get10:25:102
191832499241,20cyclictest2076822-21apt-get09:45:132
1918322992418,4cyclictest2162846-21idleruntime-cro11:10:011
191832299241,21cyclictest3777322-21systemd-journal09:05:011
1918318992419,2cyclictest2219797-21apt-get12:05:110
191831899241,21cyclictest2168208-21apt-get11:15:100
191831899241,21cyclictest2030617-21apt-get09:00:130
1918328992319,3cyclictest0-21swapper/310:45:123
1918328992319,3cyclictest0-21swapper/308:05:123
1918328992319,2cyclictest2240081-21apt-get12:25:113
1918328992319,2cyclictest2107219-21apt-get10:15:113
1918328992319,2cyclictest2076137-21apt-get09:45:023
1918328992317,4cyclictest2010266-21apt-get08:40:133
1918328992314,4cyclictest2156974-21ps11:00:243
191832899231,2cyclictest2173284-21apt-get11:20:133
191832899231,2cyclictest1979823-21apt-get08:10:113
191832899231,2cyclictest0-21swapper/309:05:123
1918328992312,2cyclictest1933730-21runrttasks07:25:113
191832899231,20cyclictest2204178-21apt-get11:50:123
1918328992311,2cyclictest2005666-21irqcore08:35:163
1918328992311,2cyclictest0-21swapper/307:35:143
1918328992311,2cyclictest0-21swapper/307:35:143
191832899230,21cyclictest0-21swapper/308:45:213
191832899230,20cyclictest0-21swapper/312:00:113
1918324992318,4cyclictest0-21swapper/208:00:212
191832499230,20cyclictest0-21swapper/209:10:112
191832499230,20cyclictest0-21swapper/207:15:112
191832299230,20cyclictest1918535-21apt-get07:10:131
191832299230,19cyclictest0-21swapper/111:15:111
1918318992317,4cyclictest2101884-21basename10:10:000
191831899230,21cyclictest1969401-21cron08:00:000
191831899230,20cyclictest0-21swapper/011:35:130
1918328992219,1cyclictest0-21swapper/309:00:173
1918328992219,1cyclictest0-21swapper/307:55:123
1918328992218,3cyclictest0-21swapper/307:30:123
1918328992218,2cyclictest2000078-21apt-get08:30:133
1918328992217,3cyclictest2030349-21sh09:00:003
1918328992210,3cyclictest2127489-21taskset10:35:133
191832899220,20cyclictest0-21swapper/310:25:113
191832499227,10cyclictest0-21swapper/209:44:592
1918324992219,2cyclictest1971890-21fwupd10:46:252
1918324992218,3cyclictest64-21kcompactd011:22:312
1918324992218,2cyclictest2188521-21apt-get11:35:132
1918324992214,7cyclictest2145017-21kthreadcore10:50:192
191832499221,1cyclictest2020428-21apt-get08:50:102
191832499220,2cyclictest2102664-21tr10:10:202
191832499220,20cyclictest2244051-21ntpq12:25:202
1918322992220,1cyclictest0-21swapper/107:25:131
1918322992219,2cyclictest2000582-21cut08:30:171
1918322992218,2cyclictest1959536-21apt-get07:50:111
1918322992218,2cyclictest0-21swapper/108:55:111
191832299221,2cyclictest0-21swapper/110:55:131
191832299221,1cyclictest1964586-21apt-get07:55:121
191832299220,21cyclictest1948889-21apt-config07:40:011
191832299220,21cyclictest1948889-21apt-config07:40:001
191832299220,20cyclictest0-21swapper/111:45:111
191832299220,20cyclictest0-21swapper/111:25:111
191832299220,19cyclictest0-21swapper/112:35:121
191832299220,19cyclictest0-21swapper/109:40:121
191832299220,19cyclictest0-21swapper/108:45:121
1918318992219,2cyclictest509-21systemd-logind08:40:010
1918318992219,2cyclictest0-21swapper/008:00:120
1918318992218,2cyclictest2080807-21ntp_offset09:45:230
1918318992218,2cyclictest1937677-21ntpq07:25:220
1918318992218,2cyclictest0-21swapper/010:40:120
191831899221,20cyclictest2147881-21apt-get10:55:120
191831899221,1cyclictest2245181-21apt-get12:30:180
191831899221,1cyclictest0-21swapper/010:30:120
191831899220,2cyclictest2203877-21cut11:49:590
191831899220,2cyclictest0-21swapper/012:25:100
191831899220,2cyclictest0-21swapper/007:35:140
191831899220,2cyclictest0-21swapper/007:35:130
191831899220,21cyclictest2051489-21irqcore09:20:160
191831899220,20cyclictest1933455-21sh07:25:000
1918328992119,1cyclictest0-21swapper/311:05:113
1918328992118,2cyclictest1985388-21irqcore08:15:163
1918328992118,1cyclictest0-21swapper/308:20:123
1918328992115,5cyclictest0-21swapper/310:00:213
191832899210,2cyclictest0-21swapper/307:10:123
191832899210,1cyclictest0-21swapper/309:35:113
1918324992119,1cyclictest2122436-21apt-get10:30:122
1918324992119,1cyclictest0-21swapper/209:55:112
1918324992113,7cyclictest0-21swapper/210:44:592
1918324992112,8cyclictest509-21systemd-logind12:35:002
191832499210,2cyclictest0-21swapper/211:05:112
191832499210,20cyclictest2255018-21cron12:40:002
191832499210,20cyclictest1949893-21ps07:40:162
1918322992119,1cyclictest0-21swapper/110:30:181
1918322992119,1cyclictest0-21swapper/108:00:121
1918322992119,1cyclictest0-21swapper/107:40:121
1918322992118,2cyclictest2050715-21basename09:20:001
1918322992118,2cyclictest1959263-21idleruntime-cro07:50:011
1918322992118,2cyclictest1959263-21idleruntime-cro07:50:001
191832299210,2cyclictest3777322-21systemd-journal12:30:001
191832299210,20cyclictest2245473-21/usr/sbin/munin12:30:201
191832299210,20cyclictest2194054-21ps11:40:161
191832299210,20cyclictest0-21swapper/111:50:121
191832299210,1cyclictest2137419-21systemd-run10:45:001
191832299210,1cyclictest0-21swapper/112:20:111
191832299210,1cyclictest0-21swapper/111:00:131
1918318992119,1cyclictest0-21swapper/012:15:100
1918318992119,1cyclictest0-21swapper/010:50:130
1918318992118,2cyclictest2178106-21sh11:25:010
1918318992118,2cyclictest1976987-21ps08:05:180
1918318992118,2cyclictest0-21swapper/012:14:070
1918318992118,2cyclictest0-21swapper/011:58:320
1918318992118,2cyclictest0-21swapper/010:46:240
1918318992117,2cyclictest2081897-21apt-get09:50:170
191831899211,1cyclictest2163092-21apt-get11:10:110
191831899211,1cyclictest0-21swapper/011:25:110
191831899211,1cyclictest0-21swapper/010:25:110
191831899211,1cyclictest0-21swapper/008:20:130
191831899210,20cyclictest0-21swapper/011:50:120
191831899210,20cyclictest0-21swapper/010:15:100
191831899210,1cyclictest0-21swapper/008:15:120
191831899210,1cyclictest0-21swapper/007:10:130
1918328992018,1cyclictest2024389-21ntpq08:50:203
1918328992017,1cyclictest0-21swapper/307:15:113
1918328992016,1cyclictest0-21swapper/310:50:153
191832899200,1cyclictest0-21swapper/311:40:113
191832899200,1cyclictest0-21swapper/311:30:183
191832899200,1cyclictest0-21swapper/311:25:113
1918324992018,1cyclictest0-21swapper/207:50:112
1918324992017,2cyclictest0-21swapper/209:15:122
1918324992017,2cyclictest0-21swapper/207:39:252
1918324992017,2cyclictest0-21swapper/207:39:242
1918324992015,3cyclictest0-21swapper/208:25:122
1918324992011,8cyclictest0-21swapper/211:20:012
191832499200,20cyclictest0-21swapper/211:30:342
191832499200,1cyclictest0-21swapper/210:59:232
191832499200,1cyclictest0-21swapper/209:00:222
191832499200,1cyclictest0-21swapper/208:20:122
191832499200,1cyclictest0-21swapper/208:15:122
191832499200,1cyclictest0-21swapper/208:10:112
191832499200,19cyclictest0-21swapper/212:14:072
191832499200,19cyclictest0-21swapper/208:48:462
1918322992018,1cyclictest0-21swapper/112:10:171
1918322992018,1cyclictest0-21swapper/108:15:121
1918322992018,1cyclictest0-21swapper/107:15:111
191832299200,1cyclictest0-21swapper/112:15:121
191832299200,1cyclictest0-21swapper/109:45:131
191832299200,1cyclictest0-21swapper/109:35:121
191832299200,1cyclictest0-21swapper/108:40:131
191832299200,1cyclictest0-21swapper/108:25:111
191832299200,19cyclictest0-21swapper/110:20:001
1918318992018,1cyclictest2071025-21cron09:40:000
1918318992018,1cyclictest0-21swapper/011:05:110
1918318992016,3cyclictest1918330-21cat07:10:000
191831899200,1cyclictest64-21kcompactd009:34:270
191831899200,1cyclictest0-21swapper/009:14:330
191831899200,1cyclictest0-21swapper/009:08:070
191831899200,1cyclictest0-21swapper/007:42:050
191831899200,19cyclictest211rcuc/008:50:010
191831899200,19cyclictest0-21swapper/012:36:100
191831899200,19cyclictest0-21swapper/007:33:290
1918328991917,1cyclictest0-21swapper/307:40:283
1918328991915,3cyclictest2076119-21cron09:44:593
1918324991917,1cyclictest64-21kcompactd008:32:382
1918324991917,1cyclictest0-21swapper/208:41:132
1918324991917,1cyclictest0-21swapper/207:20:112
1918324991916,2cyclictest0-21swapper/212:10:002
191832499191,2cyclictest1918242-21latency_hist07:10:002
1918324991910,7cyclictest2066256-21cpuspeed_turbos09:35:132
1918322991917,1cyclictest1984615-21cron08:15:001
1918322991917,1cyclictest0-21swapper/110:50:131
1918322991917,1cyclictest0-21swapper/110:07:151
1918322991917,1cyclictest0-21swapper/109:10:111
1918322991916,2cyclictest2219534-21sh12:05:001
1918318991918,1cyclictest0-21swapper/010:24:590
1918318991918,1cyclictest0-21swapper/008:10:150
1918318991917,1cyclictest0-21swapper/008:55:110
1918318991917,1cyclictest0-21swapper/007:50:110
191832499186,10cyclictest1923338-21latency_hist07:15:012
1918324991816,1cyclictest2025521-21apt-get08:55:112
1918324991816,1cyclictest0-21swapper/212:00:122
1918322991816,1cyclictest0-21swapper/109:25:111
1918322991816,1cyclictest0-21swapper/108:50:121
1918322991815,2cyclictest2091363-21vmstat09:55:241
1918318991816,1cyclictest0-21swapper/011:03:080
1918318991815,2cyclictest0-21swapper/010:14:590
191831899180,1cyclictest0-21swapper/011:30:260
191832499178,8cyclictest0-21swapper/210:00:162
1918324991715,1cyclictest64-21kcompactd011:26:492
1918324991714,2cyclictest0-21swapper/211:45:012
1918324991714,2cyclictest0-21swapper/210:18:002
1918322991715,1cyclictest0-21swapper/111:35:131
1918322991715,1cyclictest0-21swapper/110:29:591
1918322991715,1cyclictest0-21swapper/110:10:161
1918322991714,2cyclictest64-21kcompactd011:13:551
1918318991714,2cyclictest2235494-21ps12:20:150
1918318991714,2cyclictest2131396-21ntpq10:35:220
1918318991713,3cyclictest61650irq/133-enp0s29f1:rx-009:55:110
191832499163,3cyclictest2039560-21needreboot09:05:192
1918324991614,1cyclictest0-21swapper/209:25:112
1918324991611,4cyclictest0-21swapper/208:35:212
1918324991611,3cyclictest0-21swapper/209:30:152
1918322991615,0cyclictest0-21swapper/109:30:141
1918322991614,1cyclictest0-21swapper/112:05:101
1918322991613,1cyclictest0-21swapper/107:30:121
1918322991612,3cyclictest311ktimers/109:50:171
1918318991614,1cyclictest2198422-21systemd-run11:45:010
1918318991613,2cyclictest61650irq/133-enp0s29f1:rx-008:50:230
1918318991613,2cyclictest61650irq/133-enp0s29f1:rx-008:40:230
1918318991613,2cyclictest61650irq/133-enp0s29f1:rx-007:45:150
1918318991613,2cyclictest61650irq/133-enp0s29f1:rx-007:45:140
1918322991513,1cyclictest0-21swapper/111:55:111
1918322991511,2cyclictest1989944-21apt-get08:20:121
191832299150,3cyclictest0-21swapper/109:20:121
1918318991512,2cyclictest61650irq/133-enp0s29f1:rx-008:25:210
1918318991511,3cyclictest61650irq/133-enp0s29f1:rx-007:20:000
1918328991411,2cyclictest64-21kcompactd009:58:063
1918328991410,2cyclictest0-21swapper/310:10:193
191832499143,2cyclictest0-21swapper/210:05:132
191832299147,5cyclictest3777322-21systemd-journal09:10:011
1918322991413,1cyclictest0-21swapper/110:39:301
1918322991412,1cyclictest0-21swapper/111:20:141
1918318991412,1cyclictest0-21swapper/009:25:100
1918318991411,2cyclictest61650irq/133-enp0s29f1:rx-009:15:160
191832299129,2cyclictest0-21swapper/108:05:161
191832299128,3cyclictest3777014-21systemd-udevd10:23:541
1918318991210,1cyclictest2001185-21kthreadcore08:30:180
191832299119,1cyclictest0-21swapper/108:35:121
19183229997,1cyclictest0-21swapper/107:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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