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2026-03-20 - 11:52
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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 Mar 20, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31570099351,22cyclictest366729-21cron20:00:003
31570099311,27cyclictest535478-21apt-get22:45:123
31570099311,22cyclictest647909-21apt-get00:35:123
31569699310,20cyclictest519609-21cron22:30:002
31570099301,2cyclictest418106-21apt-get20:50:123
31570099301,21cyclictest261-21systemd-journal22:30:003
31569699300,3cyclictest366727-21cron20:00:002
31570099292,2cyclictest387705-21apt-get20:20:113
31570099290,27cyclictest1-21systemd19:25:003
31569699291,26cyclictest500-21dbus-daemon19:25:002
31569699290,20cyclictest0-21swapper/200:35:122
31569699290,1cyclictest591906-21apt-get23:40:102
31570099280,3cyclictest320996-21apt-get19:15:123
315696992818,8cyclictest402634-21turbostat.cron20:35:002
315700992718,7cyclictest0-21swapper/322:15:113
31570099270,24cyclictest0-21swapper/300:10:103
31569699272,21cyclictest601989-21apt-get23:50:112
31569699271,2cyclictest0-21swapper/220:20:112
31569699270,1cyclictest0-21swapper/220:50:122
315700992620,5cyclictest0-21swapper/320:15:133
31570099261,22cyclictest529981-21apt-get22:40:113
31570099261,22cyclictest0-21swapper/323:45:133
315700992612,13cyclictest0-21swapper/323:30:003
31570099260,25cyclictest0-21swapper/323:30:213
315696992619,4cyclictest622162-21apt-get00:10:102
31569699260,25cyclictest0-21swapper/222:45:122
31569699260,20cyclictest589081-21ps23:35:172
31569699260,20cyclictest0-21swapper/219:15:122
31569299262,20cyclictest443947-21apt-get21:15:111
31568999262,23cyclictest261-21systemd-journal00:25:000
31568999262,22cyclictest535478-21apt-get22:45:110
315700992518,5cyclictest561159-21apt-get23:10:113
315700992517,6cyclictest1-21systemd20:30:013
31570099251,2cyclictest551074-21apt-get23:00:123
31570099251,21cyclictest360810-21ntpq19:50:203
31570099251,21cyclictest337105-21tr19:30:143
31570099251,21cyclictest337105-21tr19:30:143
31570099251,21cyclictest0-21swapper/322:05:123
31570099251,21cyclictest0-21swapper/322:05:123
31570099251,21cyclictest0-21swapper/300:15:133
31570099251,20cyclictest438850-21apt-get21:10:123
31570099250,23cyclictest0-21swapper/322:10:113
31570099250,22cyclictest428270-21taskset21:00:113
31570099250,22cyclictest0-21swapper/319:45:113
31569699251,20cyclictest632678-21apt-get00:20:122
31569699250,2cyclictest0-21swapper/221:05:122
31569699250,23cyclictest0-21swapper/219:45:102
31569699250,18cyclictest0-21swapper/222:20:112
31569299252,20cyclictest596938-21apt-get23:45:121
31569299251,20cyclictest514800-21apt-get22:25:121
31568999251,22cyclictest607022-21apt-get23:55:120
315700992420,2cyclictest617109-21apt-get00:05:113
315700992419,3cyclictest642831-21apt-get00:30:113
315700992419,3cyclictest346756-21seq19:40:113
315700992415,8cyclictest0-21swapper/300:00:183
31570099241,3cyclictest0-21swapper/321:05:123
315700992413,1cyclictest0-21swapper/321:40:003
31570099241,20cyclictest0-21swapper/320:30:133
31570099240,20cyclictest0-21swapper/322:55:123
315696992413,9cyclictest637821-21cpuspeed_turbos00:25:122
31569699241,22cyclictest489246-21munin-run22:00:002
31569699241,20cyclictest346753-21apt-get19:40:112
31569699241,20cyclictest0-21swapper/221:35:112
31569699240,21cyclictest0-21swapper/222:15:122
315692992420,3cyclictest325817-21idleruntime-cro19:20:001
315692992420,2cyclictest545597-21apt-get22:55:111
31569299241,22cyclictest439338-21grep21:10:161
31569299241,20cyclictest586876-21apt-get23:35:121
31569299241,20cyclictest341683-21apt-get19:35:111
31569299240,4cyclictest560881-21cron23:10:001
31568999242,20cyclictest392788-21apt-get20:25:130
315689992420,2cyclictest479372-21apt-get21:50:120
315689992420,2cyclictest336616-21apt-get19:30:100
315689992420,2cyclictest336616-21apt-get19:30:090
315689992419,3cyclictest459137-21apt-get21:30:120
31568999241,3cyclictest499611-21apt-get22:10:110
31568999241,22cyclictest627644-21apt-get00:15:120
31568999241,21cyclictest561159-21apt-get23:10:110
31568999241,20cyclictest402899-21apt-get20:35:110
31568999240,22cyclictest622652-21tr00:10:140
31568999240,21cyclictest535075-21sed22:45:000
315700992320,2cyclictest0-21swapper/319:35:113
315700992319,2cyclictest586879-21taskset23:35:103
315700992319,2cyclictest0-21swapper/320:10:133
31570099231,2cyclictest636623-21ntpq00:20:213
31570099231,2cyclictest407717-21grep20:40:003
31570099231,2cyclictest0-21swapper/321:45:113
31570099230,19cyclictest0-21swapper/321:30:123
315696992319,2cyclictest407968-21apt-get20:40:122
315696992317,5cyclictest0-21swapper/220:15:122
31569699231,2cyclictest612058-21apt-get00:00:132
31569699231,2cyclictest571291-21apt-get23:20:102
31569699230,22cyclictest346506-21awk19:40:002
31569699230,21cyclictest337099-21ps19:30:142
31569699230,21cyclictest337099-21ps19:30:142
31569699230,21cyclictest0-21swapper/221:30:122
31569699230,20cyclictest0-21swapper/221:00:102
31569699230,1cyclictest407716-21munin-run20:40:002
31569699230,1cyclictest0-21swapper/223:45:122
315692992319,2cyclictest377542-21apt-get20:10:131
31569299231,2cyclictest372471-21apt-get20:05:111
31569299230,20cyclictest0-21swapper/122:00:111
315689992319,2cyclictest315903-21apt-get19:10:120
315689992317,4cyclictest346478-21cron19:40:000
31568999231,2cyclictest500-21dbus-daemon23:30:000
31568999231,2cyclictest0-21swapper/020:55:170
31568999231,20cyclictest448749-21munin-run21:20:000
31568999230,22cyclictest617599-21sort00:05:150
315700992219,2cyclictest0-21swapper/320:00:223
31570099221,1cyclictest0-21swapper/319:10:113
31570099220,20cyclictest0-21swapper/323:50:113
315696992219,2cyclictest0-21swapper/200:30:112
315696992217,3cyclictest0-21swapper/220:10:132
315696992214,7cyclictest0-21swapper/220:30:012
31569699221,1cyclictest0-21swapper/223:00:122
31569699220,20cyclictest0-21swapper/222:40:112
31569699220,19cyclictest0-21swapper/222:10:112
31569699220,19cyclictest0-21swapper/220:05:112
315692992219,2cyclictest0-21swapper/119:10:111
31569299221,2cyclictest647631-21cron00:34:591
31569299220,3cyclictest602492-21irqcore23:50:161
31569299220,3cyclictest484179-21idleruntime-cro21:55:011
31569299220,19cyclictest0-21swapper/119:55:111
315689992219,2cyclictest0-21swapper/023:30:150
315689992219,1cyclictest0-21swapper/023:20:110
315689992218,3cyclictest551563-21tr23:00:150
315689992218,3cyclictest545348-21awk22:55:000
315689992218,2cyclictest417837-21idleruntime-cro20:50:000
315689992218,2cyclictest336062-21wc19:30:010
315689992216,4cyclictest500-21dbus-daemon20:05:000
31568999221,2cyclictest0-21swapper/021:35:120
31568999221,20cyclictest651798-21ntpq00:35:210
31568999221,20cyclictest0-21swapper/020:10:120
31568999220,2cyclictest591630-21cron23:40:000
31568999220,20cyclictest0-21swapper/022:20:120
31568999220,20cyclictest0-21swapper/000:25:120
315700992118,2cyclictest0-21swapper/320:45:113
315700992117,2cyclictest524927-21apt-get22:35:113
31570099211,1cyclictest0-21swapper/320:05:113
31570099210,2cyclictest0-21swapper/321:15:103
31570099210,19cyclictest0-21swapper/321:40:113
31569699219,3cyclictest474797-21grep21:45:162
315696992117,3cyclictest0-21swapper/200:05:112
315696992110,1cyclictest0-21swapper/223:10:182
31569699210,20cyclictest550375-21cron23:00:002
31569699210,20cyclictest0-21swapper/219:50:202
31569699210,1cyclictest0-21swapper/221:15:102
31569699210,19cyclictest0-21swapper/221:40:112
315692992118,2cyclictest621910-21sh00:10:001
315692992118,2cyclictest581800-21apt-get23:30:111
315692992118,2cyclictest534790-21latency_hist22:45:001
315692992117,2cyclictest469220-21apt-get21:40:111
315692992117,2cyclictest464188-21apt-get21:35:111
315692992117,2cyclictest382612-21apt-get20:15:121
31569299211,19cyclictest0-21swapper/122:45:121
31569299210,2cyclictest702-21runrttasks21:20:121
31569299210,20cyclictest261-21systemd-journal21:30:001
31569299210,1cyclictest0-21swapper/123:20:111
31569299210,19cyclictest0-21swapper/100:35:121
315689992119,1cyclictest0-21swapper/022:05:220
315689992119,1cyclictest0-21swapper/022:05:210
315689992119,1cyclictest0-21swapper/021:25:120
315689992118,2cyclictest0-21swapper/020:40:120
315689992118,2cyclictest0-21swapper/020:30:130
31568999211,1cyclictest0-21swapper/021:40:120
31568999211,1cyclictest0-21swapper/019:40:110
31568999211,19cyclictest0-21swapper/023:15:110
31568999210,20cyclictest0-21swapper/022:25:130
31568999210,20cyclictest0-21swapper/021:20:120
31568999210,20cyclictest0-21swapper/020:20:110
31570099208,4cyclictest494152-21sshd22:03:453
315700992016,3cyclictest453808-21cron21:25:003
31569699208,2cyclictest0-21swapper/222:30:212
315696992018,1cyclictest0-21swapper/200:15:132
315696992017,2cyclictest370898-21ntpq20:00:212
31569699200,19cyclictest586615-21munin-run23:35:002
315692992018,1cyclictest642569-21latency_hist00:29:591
315692992018,1cyclictest0-21swapper/123:55:131
315692992018,1cyclictest0-21swapper/120:50:121
315692992018,1cyclictest0-21swapper/119:40:111
315692992017,1cyclictest0-21swapper/100:20:121
31569299200,1cyclictest616853-21munin-run00:04:591
31569299200,1cyclictest0-21swapper/120:25:131
31569299200,1cyclictest0-21swapper/119:30:011
31569299200,19cyclictest0-21swapper/123:00:121
31569299200,19cyclictest0-21swapper/100:15:111
315689992018,1cyclictest0-21swapper/023:55:000
315689992017,2cyclictest504664-21apt-get22:15:110
31568999200,19cyclictest0-21swapper/022:30:100
315700991915,2cyclictest407968-21apt-get20:40:123
315700991915,2cyclictest0-21swapper/323:55:133
31569699196,4cyclictest581422-21apt-key23:30:012
315696991917,1cyclictest0-21swapper/219:10:112
315696991916,2cyclictest0-21swapper/222:35:102
315692991917,1cyclictest433077-21latency_hist21:05:001
315692991917,1cyclictest0-21swapper/123:40:111
315692991917,1cyclictest0-21swapper/121:55:121
315692991917,1cyclictest0-21swapper/120:30:121
315692991917,1cyclictest0-21swapper/119:30:101
315692991917,1cyclictest0-21swapper/119:30:091
315692991915,3cyclictest261-21systemd-journal20:04:591
315692991915,2cyclictest498524-21ntpq22:05:221
315692991915,2cyclictest498524-21ntpq22:05:211
31569299190,1cyclictest1-21systemd23:30:001
31569299190,1cyclictest0-21swapper/120:35:111
31569299190,18cyclictest626941-21cron00:14:591
315689991915,2cyclictest493381-21ntpq22:00:200
315700991815,2cyclictest571390-21cpuspeed_turbos23:20:113
315700991811,1cyclictest591906-21apt-get23:40:103
31569699188,2cyclictest0-21swapper/221:10:242
31569699186,4cyclictest331296-21df19:25:132
315696991816,1cyclictest0-21swapper/220:45:112
315696991813,2cyclictest453807-21cron21:25:002
315692991816,1cyclictest0-21swapper/122:15:121
315689991816,1cyclictest0-21swapper/019:55:110
315689991815,2cyclictest512-21tpm2-abrmd21:15:000
315689991815,2cyclictest326584-21ps19:20:140
315689991814,3cyclictest61650irq/133-enp0s29f1:rx-021:55:120
315689991814,2cyclictest438590-21munin-run21:10:000
315700991714,1cyclictest0-21swapper/322:50:113
315700991713,3cyclictest0-21swapper/321:50:113
315700991713,2cyclictest519873-21apt-get22:30:123
31569699176,4cyclictest611109-21wc23:55:242
315692991715,1cyclictest566236-21apt-get23:15:111
315692991715,1cyclictest0-21swapper/123:10:111
315692991715,1cyclictest0-21swapper/120:55:121
315692991715,1cyclictest0-21swapper/120:20:111
315692991714,2cyclictest361661-21idleruntime-cro19:55:001
315689991715,1cyclictest0-21swapper/023:45:120
315689991715,1cyclictest0-21swapper/019:50:110
315689991713,3cyclictest474371-21cpuspeed_turbos21:45:120
315689991713,2cyclictest61650irq/133-enp0s29f1:rx-023:00:000
315700991612,2cyclictest484428-21apt-get21:55:133
315696991612,2cyclictest0-21swapper/222:50:112
315692991614,1cyclictest330883-21cron19:24:591
315692991614,1cyclictest0-21swapper/121:05:021
315692991613,2cyclictest540521-21apt-get22:50:101
315692991613,2cyclictest514537-21sh22:25:001
31569299160,16cyclictest0-21swapper/119:49:591
315689991614,1cyclictest0-21swapper/000:00:130
315700991511,3cyclictest0-21swapper/300:25:123
31569699155,2cyclictest0-21swapper/220:57:382
315696991512,2cyclictest454573-21sort21:25:162
315696991511,2cyclictest495025-21cut22:05:162
315696991511,2cyclictest495025-21cut22:05:162
315696991510,4cyclictest0-21swapper/221:50:112
315692991513,1cyclictest0-21swapper/121:45:111
31568999159,4cyclictest261-21systemd-journal22:39:550
315689991513,1cyclictest0-21swapper/019:45:190
315689991512,2cyclictest646780-21ntp_offset00:30:210
315689991511,3cyclictest61650irq/133-enp0s29f1:rx-020:50:180
315689991511,3cyclictest428443-21uniq21:00:110
315689991511,2cyclictest61650irq/133-enp0s29f1:rx-023:05:170
315700991411,2cyclictest566364-21cpuspeed_turbos23:15:133
315696991410,2cyclictest493428-21ntpq22:00:212
315692991411,2cyclictest503426-21needreboot22:10:181
315689991411,2cyclictest592196-21gltestperf23:40:130
315689991410,3cyclictest61650irq/133-enp0s29f1:rx-019:15:150
315700991310,2cyclictest454187-21cpuspeed_turbos21:25:133
315696991310,2cyclictest556192-21cpuspeed_turbos23:05:112
315692991311,1cyclictest0-21swapper/120:40:121
315692991310,2cyclictest524197-21unixbench_multi22:30:241
315692991310,2cyclictest415675-21kthreadcore20:45:171
31568999131,4cyclictest387427-21cron20:20:000
31570099129,1cyclictest0-21swapper/319:25:133
31570099121,9cyclictest560894-21latency_hist23:10:013
31570099120,4cyclictest428135-21cat21:00:003
31569299128,3cyclictest509-21systemd-logind22:36:541
31569299128,3cyclictest459469-21gltestperf21:30:151
31569699107,2cyclictest566301-21cpuspeed_turbos23:15:122
3156899971,3cyclictest0-21swapper/019:09:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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