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2026-08-13 - 13:09
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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 Thu Aug 13, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195029599321,21cyclictest2134978-21apt-get22:10:122
195028999321,22cyclictest2048292-21apt-get20:45:110
195028999320,4cyclictest2191427-21sleep23:05:000
195028999320,3cyclictest1970980-21cron19:30:000
195028999310,3cyclictest2170878-21cat22:44:590
195028999310,29cyclictest1-21systemd21:40:000
1950295993019,8cyclictest1981419-21apt-get19:40:122
195029599301,27cyclictest0-21swapper/220:25:122
195028999290,2cyclictest1987009-21grep19:45:170
195029599280,2cyclictest2171339-21apt-get22:45:022
195029599280,27cyclictest0-21swapper/219:20:152
195029599280,25cyclictest21147072chrt21:50:122
195028999282,2cyclictest2242392-21apt-get23:55:120
195028999280,25cyclictest0-21swapper/020:25:120
195029599272,21cyclictest2160815-21apt-get22:35:102
1950295992718,7cyclictest0-21swapper/220:30:212
1950295992717,9cyclictest2063260-21munin-run20:59:592
195029599271,24cyclictest0-21swapper/222:25:032
195029599270,24cyclictest0-21swapper/200:35:122
195028999270,25cyclictest2231980-21munin-run23:44:590
195029999261,22cyclictest702-21runrttasks23:35:103
195029999261,20cyclictest0-21swapper/300:20:123
1950295992620,4cyclictest1991960-21apt-get19:50:122
195028999261,1cyclictest2155772-21apt-get22:30:120
195029999251,22cyclictest2062407-21ntpq20:55:223
195029999251,21cyclictest1955620-21apt-get19:15:123
195029999251,21cyclictest0-21swapper/321:20:123
195029999251,21cyclictest0-21swapper/300:05:163
195029999250,23cyclictest1-21systemd19:59:593
195029999250,22cyclictest2078780-21seq21:15:113
195029999250,21cyclictest2109635-21apt-get21:45:113
1950295992519,4cyclictest0-21swapper/223:15:122
195029599251,21cyclictest2252577-21apt-get00:05:162
195029599251,21cyclictest2145188-21apt-get22:20:112
195029599250,2cyclictest0-21swapper/223:55:132
195029599250,23cyclictest2187096-21sort23:00:162
195029399251,5cyclictest2129656-21cron22:05:011
195029399251,21cyclictest2007614-21apt-get20:05:111
1950299992419,3cyclictest2124867-21apt-get22:00:143
1950299992419,3cyclictest2033070-21apt-get20:30:153
1950299992418,5cyclictest2170844-21seq22:45:003
1950299992418,3cyclictest2053405-21apt-get20:50:113
1950299992416,6cyclictest2140075-21taskset22:15:103
195029999241,21cyclictest2150016-21https22:25:003
195029999241,20cyclictest0-21swapper/319:45:143
195029999240,20cyclictest0-21swapper/319:10:113
195029599242,2cyclictest2232229-21apt-get23:45:112
1950295992420,2cyclictest2073686-21apt-get21:10:122
1950295992420,2cyclictest2073686-21apt-get21:10:112
1950295992420,2cyclictest2017799-21apt-get20:15:132
1950295992420,2cyclictest2002524-21apt-get20:00:132
1950295992419,4cyclictest0-21swapper/220:45:122
195029599241,3cyclictest2140561-21tr22:15:142
195029599241,21cyclictest2166386-21grep22:40:162
195029599241,20cyclictest1986511-21apt-get19:45:132
195029599240,22cyclictest1960472-21apt-key19:20:012
195029599240,22cyclictest0-21swapper/221:30:132
195029599240,21cyclictest1997054-21taskset19:55:112
195029399242,2cyclictest2247489-21apt-get00:00:121
195029399241,3cyclictest2181512-21apt-get22:55:111
195029399241,3cyclictest2088705-21munin-run21:25:001
195029399241,22cyclictest2206869-21taskset23:20:131
195028999242,2cyclictest2089387-21apt-get21:25:130
1950289992413,10cyclictest0-21swapper/023:50:000
195028999240,17cyclictest0-21swapper/022:10:100
1950299992319,3cyclictest2068328-21fwupdmgr21:05:003
1950299992319,2cyclictest2278017-21apt-get00:30:133
1950299992319,2cyclictest2216749-21cron23:30:003
1950299992319,2cyclictest2043199-21apt-get20:40:103
1950299992318,3cyclictest2027957-21taskset20:25:123
1950299992318,3cyclictest2003025-21tr20:00:163
195029999231,2cyclictest0-21swapper/321:11:473
195029999231,2cyclictest0-21swapper/321:11:463
195029999231,21cyclictest2237297-21apt-get23:50:093
195029999231,20cyclictest1961114-21apt-get19:20:113
195029999230,21cyclictest2017516-21sh20:14:593
195029999230,20cyclictest0-21swapper/323:45:113
195029999230,20cyclictest0-21swapper/323:40:123
195029999230,20cyclictest0-21swapper/319:50:113
1950295992319,3cyclictest1976097-21basename19:35:012
195029599231,2cyclictest2267827-21apt-get00:20:122
195029599230,22cyclictest2058205-21systemd-run20:55:002
195029599230,21cyclictest2089886-21sed21:25:182
195029599230,20cyclictest0-21swapper/223:25:132
195029599230,20cyclictest0-21swapper/222:50:102
1950293992320,2cyclictest2140072-21apt-get22:15:101
1950293992319,2cyclictest2283147-21apt-get00:35:121
1950293992319,2cyclictest2257661-21apt-get00:10:111
1950293992318,4cyclictest3871586-21snmpd22:08:451
195029399231,2cyclictest2078777-21apt-get21:15:131
195029399231,21cyclictest2099501-21apt-get21:35:121
195029399230,22cyclictest2237798-21grep23:50:151
195029399230,20cyclictest0-21swapper/121:05:111
1950289992314,8cyclictest61650irq/133-enp0s29f1:rx-022:55:090
1950289992312,10cyclictest2124966-21cpuspeed_turbos22:00:140
1950299992219,2cyclictest0-21swapper/323:10:113
1950299992219,2cyclictest0-21swapper/320:45:123
1950299992219,1cyclictest0-21swapper/323:55:123
1950299992218,2cyclictest0-21swapper/321:35:123
195029999221,2cyclictest2206866-21apt-get23:20:123
195029999221,2cyclictest0-21swapper/322:25:123
195029999221,2cyclictest0-21swapper/300:00:123
195029999221,1cyclictest0-21swapper/322:30:113
195029999220,20cyclictest2093674-21grep21:25:263
195029999220,20cyclictest0-21swapper/322:10:113
195029999220,20cyclictest0-21swapper/300:25:183
1950295992219,2cyclictest0-21swapper/223:05:112
1950295992219,1cyclictest0-21swapper/223:30:122
1950295992219,1cyclictest0-21swapper/221:55:132
1950295992219,1cyclictest0-21swapper/221:00:112
1950295992219,1cyclictest0-21swapper/220:10:102
1950295992218,3cyclictest1967134-21ps19:25:182
1950295992216,5cyclictest0-21swapper/221:15:212
1950295992215,6cyclictest0-21swapper/221:35:212
195029599221,2cyclictest0-21swapper/221:20:122
1950295992212,3cyclictest2160075-21unixbench_multi22:30:252
1950295992212,3cyclictest2023845-21tr20:20:172
1950295992210,2cyclictest2130222-21gltestperf22:05:142
1950295992210,2cyclictest2007681-21cpuspeed_turbos20:05:122
195029599220,7cyclictest2262475-21munin-run00:15:002
195029599220,20cyclictest0-21swapper/219:35:102
195029599220,19cyclictest0-21swapper/220:35:122
195029599220,19cyclictest0-21swapper/219:10:112
1950293992219,2cyclictest2237044-21munin-run23:50:001
1950293992219,1cyclictest2221814-21cron23:35:001
1950293992218,3cyclictest1997549-21sed19:55:151
195029399221,20cyclictest2201816-21apt-get23:15:121
195029399221,20cyclictest2186605-21apt-get23:00:121
195029399221,20cyclictest1966185-21apt-get19:25:121
1950289992220,1cyclictest2176444-21apt-get22:50:110
1950289992218,3cyclictest1960417-21cron19:20:000
1950289992218,3cyclictest0-21swapper/021:50:110
1950289992214,7cyclictest61650irq/133-enp0s29f1:rx-020:30:140
1950289992214,7cyclictest1965023-21ntpq19:20:190
1950289992213,8cyclictest1976075-21cron19:35:000
195028999221,2cyclictest2038452-21tail20:35:150
1950289992212,8cyclictest2150645-21apt-get22:25:020
195028999221,20cyclictest2012706-21apt-get20:10:100
195028999221,20cyclictest1950505-21apt-get19:10:110
195028999221,20cyclictest0-21swapper/021:15:130
1950299992118,1cyclictest0-21swapper/300:35:123
1950299992117,3cyclictest0-21swapper/300:15:003
1950299992116,3cyclictest2114704-21apt-get21:50:113
195029999211,1cyclictest0-21swapper/319:40:003
195029999210,1cyclictest64-21kcompactd022:53:543
195029999210,1cyclictest0-21swapper/323:04:083
195029999210,1cyclictest0-21swapper/321:40:123
195029999210,1cyclictest0-21swapper/320:05:123
195029999210,19cyclictest0-21swapper/321:55:133
1950295992119,1cyclictest0-21swapper/221:40:122
1950295992118,2cyclictest2110135-21grep21:45:162
1950295992114,6cyclictest2068611-21apt-get21:05:112
1950293992119,1cyclictest0-21swapper/122:45:121
1950293992119,1cyclictest0-21swapper/121:55:131
1950293992118,2cyclictest2200768-21chrt23:10:221
1950293992116,3cyclictest2155470-21taskset22:29:441
1950293992116,3cyclictest0-21swapper/120:29:591
195029399210,2cyclictest301rcuc/123:35:151
195029399210,20cyclictest301rcuc/119:45:181
195029399210,20cyclictest1971737-21ps19:30:171
195029399210,20cyclictest0-21swapper/123:05:221
195029399210,20cyclictest0-21swapper/120:00:121
195029399210,19cyclictest0-21swapper/120:20:121
1950289992119,1cyclictest1997050-21apt-get19:55:110
1950289992119,1cyclictest0-21swapper/000:15:130
1950289992119,1cyclictest0-21swapper/000:00:120
1950289992118,2cyclictest61650irq/133-enp0s29f1:rx-021:30:210
1950289992118,2cyclictest0-21swapper/020:40:100
1950289992116,4cyclictest0-21swapper/022:45:020
1950289992113,7cyclictest64-21kcompactd022:21:400
1950289992110,10cyclictest0-21swapper/019:40:120
195028999210,20cyclictest2262066-21users00:10:230
195028999210,1cyclictest0-21swapper/021:00:100
1950299992018,1cyclictest0-21swapper/323:15:123
1950299992018,1cyclictest0-21swapper/320:15:523
1950299992016,2cyclictest0-21swapper/323:05:123
1950299992015,3cyclictest0-21swapper/319:30:123
1950299992015,2cyclictest0-21swapper/323:30:123
195029999200,1cyclictest0-21swapper/322:45:513
195029599208,2cyclictest0-21swapper/223:20:122
195029599200,1cyclictest0-21swapper/200:30:232
1950293992018,1cyclictest0-21swapper/122:10:111
1950293992018,1cyclictest0-21swapper/120:15:131
1950293992018,1cyclictest0-21swapper/119:50:111
1950293992018,1cyclictest0-21swapper/100:32:501
1950293992017,2cyclictest0-21swapper/123:40:121
1950293992016,3cyclictest3777322-21systemd-journal21:00:151
195029399200,1cyclictest64-21kcompactd019:39:501
195029399200,1cyclictest64-21kcompactd019:12:571
195029399200,1cyclictest2074413-21sed21:10:171
195029399200,1cyclictest2074413-21sed21:10:161
195029399200,1cyclictest0-21swapper/122:35:101
195029399200,1cyclictest0-21swapper/122:30:121
195029399200,1cyclictest0-21swapper/120:35:131
195029399200,1cyclictest0-21swapper/120:10:101
195029399200,1cyclictest0-21swapper/100:05:161
195029399200,19cyclictest2149210-21/usr/sbin/munin22:20:221
195028999208,9cyclictest0-21swapper/021:45:240
1950289992017,2cyclictest2217025-21apt-get23:30:120
1950289992017,2cyclictest2073404-21cron21:10:010
1950289992012,7cyclictest61650irq/133-enp0s29f1:rx-022:35:110
195028999201,18cyclictest2083872-21apt-get21:20:120
1950289992010,9cyclictest2143923-21needreboot22:15:170
1950289992010,9cyclictest2021633-21needreboot20:15:190
195028999200,20cyclictest0-21swapper/021:55:240
195028999200,1cyclictest2003007-21ps20:00:150
195028999200,1cyclictest0-21swapper/020:55:120
195028999200,1cyclictest0-21swapper/020:50:120
195028999200,1cyclictest0-21swapper/020:05:120
195028999200,1cyclictest0-21swapper/000:05:160
195028999200,19cyclictest2134718-21munin-run22:10:000
195028999200,19cyclictest0-21swapper/023:50:110
195028999200,19cyclictest0-21swapper/023:25:110
195028999200,19cyclictest0-21swapper/023:10:100
195028999200,19cyclictest0-21swapper/000:35:120
1950295991917,1cyclictest0-21swapper/223:40:122
195029599190,19cyclictest0-21swapper/200:25:182
1950293991917,1cyclictest64-21kcompactd021:47:481
1950293991917,1cyclictest2094915-21ps21:30:171
1950293991917,1cyclictest1960428-21apt-get19:20:021
1950293991917,1cyclictest0-21swapper/120:55:131
1950293991916,2cyclictest2104567-21apt-get21:40:121
1950289991917,1cyclictest2268310-21ps00:20:170
1950289991917,1cyclictest0-21swapper/019:50:030
1950289991916,2cyclictest2277755-21munin-run00:29:590
1950289991915,2cyclictest2207348-21irqcore23:20:170
195028999191,2cyclictest2022894-21apt-get20:20:130
195028999190,18cyclictest2192175-21ps23:05:160
195028999190,17cyclictest1981339-21cat19:40:010
1950295991817,1cyclictest0-21swapper/223:11:072
1950295991816,1cyclictest0-21swapper/222:00:142
1950295991815,2cyclictest0-21swapper/200:15:132
1950295991814,3cyclictest2242143-21idleruntime-cro23:55:002
1950293991817,1cyclictest0-21swapper/120:49:441
195028999183,4cyclictest2282869-21cron00:35:000
1950289991816,1cyclictest0-21swapper/021:40:100
1950289991810,6cyclictest61650irq/133-enp0s29f1:rx-023:35:110
1950299991715,1cyclictest0-21swapper/322:35:373
1950299991715,1cyclictest0-21swapper/319:25:123
1950295991715,1cyclictest2225980-21ntpq23:35:192
1950295991715,1cyclictest0-21swapper/220:40:102
1950293991716,0cyclictest0-21swapper/123:25:381
195028999175,4cyclictest2203211-21cut23:15:170
195028999170,5cyclictest2077645-21taskset21:10:200
195028999170,5cyclictest2077645-21taskset21:10:200
1950299991615,1cyclictest0-21swapper/321:30:173
1950299991614,1cyclictest0-21swapper/322:09:173
1950299991614,1cyclictest0-21swapper/321:08:003
1950299991613,2cyclictest64-21kcompactd020:36:173
1950299991613,2cyclictest0-21swapper/322:55:113
1950295991610,1cyclictest0-21swapper/222:55:112
1950293991612,2cyclictest2875-21cron20:55:001
195028999161,3cyclictest0-21swapper/019:10:000
1950293991513,1cyclictest2115649-21kthreadcore21:50:181
1950293991513,1cyclictest0-21swapper/122:40:121
1950293991513,1cyclictest0-21swapper/100:20:281
1950293991511,3cyclictest2089454-21cpuspeed_turbos21:25:141
195029399150,4cyclictest2180189-21memory22:50:171
1950299991411,2cyclictest1981530-21cpuspeed_turbos19:40:123
1950293991411,2cyclictest2242479-21cpuspeed_turbos23:55:131
1950293991411,2cyclictest1960014-21unixbench_singl19:15:251
195029999136,5cyclictest0-21swapper/320:24:593
195029399135,7cyclictest2275153-21kthreadcore00:25:181
1950293991311,1cyclictest0-21swapper/119:40:121
195029999129,2cyclictest2262809-21cpuspeed_turbos00:15:143
1950293991210,1cyclictest0-21swapper/120:40:111
195029399119,1cyclictest0-21swapper/100:15:121
195029399118,2cyclictest2033045-21/usr/sbin/munin20:30:211
195029999104,4cyclictest1950333-21cat19:10:003
195029399108,1cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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