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2025-12-14 - 23:57
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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 Dec 14, 2025 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
176967799322,20cyclictest1995184-21apt-get10:50:130
1769677993110,14cyclictest1779767-21turbostat07:20:000
1769677993110,14cyclictest1779767-21turbostat07:20:000
176967799301,27cyclictest2015153-21munin-run11:10:010
176967799301,20cyclictest1964783-21apt-get10:20:140
1769686992926,2cyclictest136-1kworker/3:1H+kblockd07:19:333
1769686992926,2cyclictest136-1kworker/3:1H+kblockd07:19:323
176968099285,3cyclictest1933237-21/usr/sbin/munin09:45:201
1769686992717,2cyclictest1846595-21awk08:25:013
1769682992723,2cyclictest1779690-21fwupd07:19:322
1769682992723,2cyclictest1779690-21fwupd07:19:312
176968299271,23cyclictest2075403-21taskset12:05:252
1769677992718,2cyclictest2005294-21apt-get11:00:120
176968299262,20cyclictest1898535-21apt-get09:15:122
1769682992620,3cyclictest1892996-21apt-get09:10:122
1769682992620,3cyclictest1790208-21apt-get07:30:142
176968299261,21cyclictest1969860-21apt-get10:25:122
176968299261,21cyclictest1795300-21apt-get07:35:122
1769680992624,1cyclictest1825887-21cron08:05:001
176968099262,21cyclictest0-21swapper/111:00:131
176968099261,21cyclictest2071516-21apt-get12:05:141
1769680992610,10cyclictest0-21swapper/107:45:001
1769682992519,3cyclictest1862080-21apt-get08:40:122
176968299250,23cyclictest2000741-21taskset10:55:172
176968099255,8cyclictest1871304-21sort08:45:241
176968099252,20cyclictest2046169-21apt-get11:40:131
176968099251,21cyclictest0-21swapper/111:05:131
176967799252,2cyclictest1944515-21apt-get10:00:130
176968699242,21cyclictest0-21swapper/307:45:003
1769686992420,2cyclictest1887898-21apt-get09:05:133
176968699241,3cyclictest1821585-21tr08:00:163
176968699241,20cyclictest1939460-21apt-get09:55:133
176968699241,20cyclictest1939460-21apt-get09:55:123
176968699240,20cyclictest2015405-21apt-get11:10:123
176968699240,20cyclictest1985049-21apt-get10:40:103
1769682992420,2cyclictest1882382-21apt-get09:00:122
1769682992420,2cyclictest1846847-21apt-get08:25:132
1769682992419,4cyclictest2020220-21awk11:15:012
1769682992419,3cyclictest1845688-21ntpq08:20:222
1769682992419,3cyclictest1826587-21apt-get08:05:122
176968299241,2cyclictest1769894-21apt-get07:10:082
176968299241,21cyclictest1954362-21cron10:10:002
176968299241,20cyclictest0-21swapper/211:55:112
176968299241,20cyclictest0-21swapper/211:35:122
176968299241,20cyclictest0-21swapper/209:20:142
176968099244,2cyclictest0-21swapper/108:44:591
1769680992420,2cyclictest1908685-21apt-get09:25:121
1769680992419,3cyclictest1785617-21sort07:25:201
176968099241,20cyclictest1816026-21apt-get07:55:111
1769677992420,2cyclictest2035381-21cron11:30:000
1769677992420,2cyclictest0-21swapper/007:25:140
1769677992419,3cyclictest1856987-21apt-get08:35:130
176967799241,21cyclictest1836705-21apt-get08:15:110
1769686992321,1cyclictest1913741-21apt-get09:30:113
176968699231,20cyclictest1831635-21apt-get08:10:123
176968699231,20cyclictest0-21swapper/308:55:123
176968699230,20cyclictest0-21swapper/312:05:133
176968699230,19cyclictest2000239-21apt-get10:55:123
1769682992319,2cyclictest1919244-21apt-get09:35:132
1769682992319,2cyclictest0-21swapper/209:40:122
1769682992319,2cyclictest0-21swapper/208:35:132
176968299231,2cyclictest2025563-21apt-get11:20:132
176968299231,2cyclictest1979961-21apt-get10:35:122
176968299231,2cyclictest0-21swapper/211:40:132
176968299231,20cyclictest2030616-21apt-get11:25:132
176968299231,19cyclictest0-21swapper/212:35:132
176968299230,3cyclictest1888389-21grep09:05:172
176968299230,3cyclictest1867172-21apt-get08:45:132
176968299230,3cyclictest1851919-21chrt08:30:112
176968299230,20cyclictest0-21swapper/210:30:132
176968299230,20cyclictest0-21swapper/207:25:142
176968099236,5cyclictest1858621-21grep08:35:191
176968099234,7cyclictest2054131-21kthreadcore11:45:171
176968099234,7cyclictest1847035-21grep08:25:141
176968099234,6cyclictest1833565-21grep08:10:181
1769680992320,2cyclictest1887211-21munin-run09:04:591
1769680992319,2cyclictest2086610-21apt-get12:20:121
176968099231,2cyclictest1877312-21apt-get08:55:121
176968099231,19cyclictest1934428-21apt-get09:50:121
176968099230,20cyclictest0-21swapper/109:10:131
1769677992319,2cyclictest2101821-21apt-get12:35:130
1769677992319,2cyclictest1800370-21apt-get07:40:120
176967799231,2cyclictest1919244-21apt-get09:35:130
176967799231,20cyclictest2061402-21apt-get11:55:120
176967799231,1cyclictest2056300-21apt-get11:50:110
176967799230,3cyclictest261-21systemd-journal09:19:590
176967799230,21cyclictest1815758-21apt07:55:010
176967799230,20cyclictest0-21swapper/008:40:130
1769686992217,3cyclictest1903610-21apt-get09:20:133
176968699221,1cyclictest2066483-21apt-get12:00:123
176968699220,19cyclictest0-21swapper/310:00:133
1769682992219,2cyclictest1825041-21ntpq08:00:282
1769682992219,1cyclictest0-21swapper/210:20:142
1769682992218,2cyclictest2010858-21sshd11:05:172
1769682992218,2cyclictest0-21swapper/207:55:122
1769682992217,3cyclictest0-21swapper/211:45:122
176968299220,19cyclictest0-21swapper/209:50:122
176968299220,19cyclictest0-21swapper/207:40:122
176968099226,6cyclictest2022688-21cat11:15:181
176968099224,7cyclictest1784445-21awk07:20:261
176968099224,6cyclictest1973514-21sort10:25:191
176968099220,19cyclictest0-21swapper/112:10:131
176968099220,19cyclictest0-21swapper/110:05:121
176967799222,2cyclictest0-21swapper/012:10:000
1769677992219,2cyclictest0-21swapper/011:10:120
1769677992219,2cyclictest0-21swapper/009:25:000
176967799221,2cyclictest1924320-21apt-get09:40:130
176967799221,2cyclictest1820822-21idleruntime-cro08:00:000
176967799221,20cyclictest0-21swapper/008:00:110
176967799221,19cyclictest0-21swapper/008:20:140
176967799220,2cyclictest1974634-21basename10:30:000
176967799220,21cyclictest0-21swapper/007:35:130
176967799220,20cyclictest2091413-21cron12:25:000
176967799220,20cyclictest1994907-21cron10:49:590
1769686992119,1cyclictest0-21swapper/310:35:123
1769686992119,1cyclictest0-21swapper/309:40:123
1769686992118,2cyclictest1789091-21ntpq07:25:263
1769686992118,2cyclictest0-21swapper/308:25:123
1769686992115,4cyclictest0-21swapper/308:10:003
176968699211,1cyclictest0-21swapper/310:50:133
176968699210,20cyclictest2020980-21ps11:15:173
176968699210,20cyclictest0-21swapper/312:20:113
176968699210,20cyclictest0-21swapper/310:25:123
176968699210,20cyclictest0-21swapper/309:40:003
176968699210,20cyclictest0-21swapper/309:15:143
176968699210,20cyclictest0-21swapper/307:45:123
176968699210,1cyclictest0-21swapper/312:25:123
176968699210,19cyclictest1959457-21grep10:14:593
176968699210,19cyclictest0-21swapper/308:45:133
1769682992119,1cyclictest0-21swapper/211:30:122
1769682992118,2cyclictest1841507-21cron08:20:012
176968299210,2cyclictest0-21swapper/211:15:132
176968299210,2cyclictest0-21swapper/208:55:122
176968299210,2cyclictest0-21swapper/207:50:122
176968299210,1cyclictest1943392-21ntpq09:55:222
176968299210,1cyclictest1943392-21ntpq09:55:212
176968299210,1cyclictest0-21swapper/209:45:122
176968299210,19cyclictest0-21swapper/211:50:112
176968099215,6cyclictest2068021-21grep12:00:171
1769680992119,1cyclictest0-21swapper/108:05:121
1769680992118,2cyclictest2105858-21taskset12:35:241
1769680992117,2cyclictest1836708-21chrt08:15:121
176968099211,19cyclictest0-21swapper/109:34:591
176968099210,1cyclictest0-21swapper/109:35:141
176968099210,19cyclictest0-21swapper/112:25:121
1769677992119,1cyclictest0-21swapper/010:05:120
1769677992118,2cyclictest0-21swapper/008:45:130
176967799211,19cyclictest0-21swapper/009:55:130
176967799211,19cyclictest0-21swapper/009:55:120
176967799210,2cyclictest0-21swapper/007:30:120
176967799210,20cyclictest0-21swapper/012:00:130
176967799210,20cyclictest0-21swapper/010:10:120
1769686992018,1cyclictest0-21swapper/312:35:143
1769686992018,1cyclictest0-21swapper/311:50:113
1769686992018,1cyclictest0-21swapper/310:20:143
1769686992018,1cyclictest0-21swapper/309:50:133
1769686992015,3cyclictest2029503-21ntpq11:20:233
176968699200,2cyclictest2055544-21modprobe11:45:253
176968699200,1cyclictest2035658-21apt-get11:30:113
176968699200,1cyclictest0-21swapper/309:10:123
176968699200,1cyclictest0-21swapper/309:00:133
176968699200,1cyclictest0-21swapper/308:50:143
1769682992018,1cyclictest0-21swapper/210:50:132
1769682992018,1cyclictest0-21swapper/209:30:122
1769682992017,1cyclictest0-21swapper/207:45:122
1769682992016,2cyclictest1872748-21irqcore08:50:192
1769682992014,3cyclictest1954646-21apt-get10:10:112
176968299200,1cyclictest0-21swapper/212:00:122
176968099205,6cyclictest2058414-21grep11:50:161
176968099203,7cyclictest1994259-21switchtime10:45:271
176968099203,6cyclictest2062692-21cat11:55:171
176968099203,6cyclictest2000643-21basename10:55:161
176968099202,7cyclictest1980691-21irqcore10:35:161
176968099202,7cyclictest1905463-21cut09:20:191
176968099202,7cyclictest1794239-21awk07:30:241
1769680992018,1cyclictest0-21swapper/108:50:151
1769680992017,2cyclictest0-21swapper/111:10:131
176968099200,2cyclictest0-21swapper/110:50:131
176968099200,1cyclictest0-21swapper/112:15:121
176968099200,1cyclictest0-21swapper/110:15:131
176968099200,1cyclictest0-21swapper/107:15:141
176968099200,1cyclictest0-21swapper/107:15:131
176968099200,19cyclictest0-21swapper/107:10:011
176967799200,1cyclictest0-21swapper/012:10:120
176967799200,1cyclictest0-21swapper/011:45:120
176967799200,1cyclictest0-21swapper/009:50:120
176967799200,19cyclictest0-21swapper/009:05:130
176967799200,19cyclictest0-21swapper/007:20:150
1769686991918,0cyclictest0-21swapper/308:35:133
1769686991917,1cyclictest0-21swapper/311:00:133
1769686991917,1cyclictest0-21swapper/310:15:133
1769686991917,1cyclictest0-21swapper/307:10:083
1769686991916,2cyclictest2085437-21ntpq12:15:213
176968099194,5cyclictest1888351-21if_enp0s30f409:05:171
176968099193,5cyclictest1988793-21wc10:40:181
1769680991917,1cyclictest2096763-21apt-get12:30:111
1769680991917,1cyclictest0-21swapper/107:50:131
1769680991916,1cyclictest0-21swapper/107:10:081
176968099190,1cyclictest0-21swapper/110:25:001
176967799198,10cyclictest1908865-21uniq09:25:140
1769677991917,1cyclictest0-21swapper/011:40:130
1769677991917,1cyclictest0-21swapper/008:55:130
1769677991916,2cyclictest1988923-21ntpq10:40:190
1769677991915,3cyclictest1893500-21tr09:10:180
1769677991915,2cyclictest1877055-21idleruntime-cro08:55:000
176967799190,1cyclictest0-21swapper/011:35:120
176968699180,18cyclictest0-21swapper/308:15:173
176968699180,0cyclictest0-21swapper/309:25:113
1769682991816,1cyclictest0-21swapper/209:25:132
1769682991815,2cyclictest0-21swapper/212:20:282
176968099185,4cyclictest1958213-21grep10:10:171
176968099185,4cyclictest1797809-21cut07:35:191
176968099183,6cyclictest2029791-21sed11:20:251
176968099182,5cyclictest1929144-21latency_hist09:45:011
176968099182,5cyclictest1899886-21cat09:15:171
1769677991816,1cyclictest0-21swapper/010:35:120
1769677991816,1cyclictest0-21swapper/009:00:120
1769677991815,2cyclictest0-21swapper/008:10:120
1769677991814,2cyclictest2091687-21apt-get12:25:110
1769686991717,0cyclictest0-21swapper/307:55:203
1769686991715,1cyclictest1812994-21kthreadcore07:50:173
1769686991715,1cyclictest0-21swapper/309:45:123
1769682991715,1cyclictest0-21swapper/212:25:122
1769682991714,2cyclictest1949301-21munin-run10:05:002
1769682991714,2cyclictest0-21swapper/210:45:232
1769682991713,2cyclictest2081576-21apt-get12:15:122
176968099173,5cyclictest2030591-21/usr/sbin/munin11:25:231
176968099172,5cyclictest2045477-21latency_hist11:40:001
176968099171,5cyclictest1979307-21users10:30:261
1769680991715,1cyclictest2039609-21modprobe11:30:201
1769680991715,1cyclictest0-21swapper/110:00:131
1769680991715,1cyclictest0-21swapper/109:55:131
1769680991715,1cyclictest0-21swapper/109:55:121
1769680991711,4cyclictest1852408-21sort08:30:151
1769677991715,1cyclictest0-21swapper/010:55:130
1769677991713,2cyclictest1974893-21apt-get10:30:120
1769686991614,1cyclictest0-21swapper/311:25:133
1769686991614,1cyclictest0-21swapper/311:05:123
1769686991613,2cyclictest1798739-21kthreadcore07:35:183
1769682991614,1cyclictest0-21swapper/212:30:112
1769677991613,2cyclictest61650irq/133-enp0s29f1:rx-007:45:380
1769677991612,3cyclictest61650irq/133-enp0s29f1:rx-012:15:130
1769677991612,3cyclictest61650irq/133-enp0s29f1:rx-008:30:120
1769677991612,2cyclictest0-21swapper/009:35:000
1769686991514,1cyclictest0-21swapper/310:45:193
1769686991513,1cyclictest0-21swapper/308:30:123
1769686991510,3cyclictest2050119-21ntpq11:40:233
1769686991510,3cyclictest1979700-21turbostat10:35:003
1769677991513,1cyclictest0-21swapper/011:30:210
1769677991513,1cyclictest0-21swapper/008:05:120
1769677991512,2cyclictest2025856-21gltestperf11:20:160
1769686991410,3cyclictest1862186-21cpuspeed_turbos08:40:123
1769686991410,3cyclictest1794618-21unixbench_singl07:30:273
176968699140,3cyclictest0-21swapper/312:30:143
1769682991411,1cyclictest2076569-21apt-get12:10:132
1769682991410,3cyclictest730-21sshd08:13:302
1769680991410,3cyclictest1842070-21gltestperf08:20:161
1769680991410,3cyclictest1805755-21apt-config07:45:011
1769677991414,0cyclictest0-21swapper/010:15:170
1769677991412,2cyclictest61650irq/133-enp0s29f1:rx-009:46:380
1769677991411,2cyclictest61650irq/133-enp0s29f1:rx-012:30:130
1769677991411,2cyclictest0-21swapper/008:25:230
1769677991410,3cyclictest61650irq/133-enp0s29f1:rx-007:10:070
1769686991312,1cyclictest0-21swapper/312:10:133
1769686991310,2cyclictest0-21swapper/311:55:163
1769686991210,1cyclictest1783091-21kthreadcore07:20:203
1769686991210,1cyclictest0-21swapper/311:35:173
176968299128,2cyclictest0-21swapper/207:10:012
176968299126,5cyclictest1959995-21cut10:15:152
176967799128,2cyclictest2020483-21apt-get11:15:130
17696869974,2cyclictest481rcuc/307:10:013
17696779971,5cyclictest1769685-21sed07:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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