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2026-07-15 - 12:55
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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 Wed Jul 15, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188260299291,1cyclictest191rcu_preempt21:35:000
188261299262,21cyclictest2067745-21apt-get22:10:143
188261299261,21cyclictest2205750-21apt-get00:25:133
188260899262,21cyclictest1934428-21apt-get20:00:122
188260899261,20cyclictest2134374-21apt-get23:15:132
1882612992519,3cyclictest1934428-21apt-get20:00:113
1882612992518,5cyclictest1891778-21needreboot19:15:193
188261299251,20cyclictest2155065-21apt-get23:35:133
188261299251,20cyclictest0-21swapper/321:40:123
1882608992522,1cyclictest0-21swapper/221:35:002
1882608992521,2cyclictest391rcuc/221:35:012
188260899251,2cyclictest0-21swapper/200:15:132
188260899251,21cyclictest0-21swapper/221:40:132
188260899251,21cyclictest0-21swapper/220:51:532
188260899251,21cyclictest0-21swapper/220:51:522
188260699253,2cyclictest2195639-21apt-get00:15:131
188260299251,21cyclictest2185553-21apt-get00:05:130
188260299251,21cyclictest1970459-21apt-get20:35:140
188260299251,21cyclictest1970459-21apt-get20:35:130
188260299251,21cyclictest0-21swapper/020:33:520
188260299251,20cyclictest2057587-21apt-get22:00:110
188260299250,22cyclictest2180989-21tr00:00:160
188261299241,20cyclictest1893033-21runrttasks19:20:133
1882608992420,2cyclictest2077902-21apt-get22:20:132
1882608992418,5cyclictest1939654-21df_inode20:05:132
188260899241,3cyclictest2186044-21irqcore00:05:172
188260899241,22cyclictest0-21swapper/223:00:112
188260899241,21cyclictest2170229-21apt-get23:50:122
188260899241,21cyclictest2139479-21apt-get23:20:132
188260899241,21cyclictest0-21swapper/223:40:102
188260899241,20cyclictest2047437-21apt-get21:50:132
188260899241,20cyclictest0-21swapper/219:30:112
188260899240,23cyclictest2180990-21sort00:00:162
188260899240,21cyclictest2145053-21ps23:25:182
188260899240,21cyclictest2145053-21ps23:25:182
1882606992420,2cyclictest2175308-21apt-get23:55:131
1882606992420,2cyclictest2119207-21apt-get23:00:121
188260699240,23cyclictest64-21kcompactd022:15:451
1882602992420,2cyclictest2011567-21apt-get21:15:120
188260299241,21cyclictest2042334-21apt-get21:45:120
188260299241,21cyclictest2016670-21apt-get21:20:120
188260299241,20cyclictest2210825-21apt-get00:30:110
188260299240,21cyclictest0-21swapper/021:00:130
188260299240,1cyclictest0-21swapper/021:26:180
1882612992318,3cyclictest2200696-21apt-get00:20:123
188261299230,22cyclictest3777322-21systemd-journal20:50:003
188261299230,20cyclictest0-21swapper/320:25:123
188260899233,1cyclictest0-21swapper/222:45:122
1882608992320,1cyclictest2165150-21apt-get23:45:102
1882608992319,2cyclictest2190584-21apt-get00:10:132
1882608992319,2cyclictest2093487-21apt-get22:35:112
1882608992319,2cyclictest1908706-21apt-get19:35:122
1882608992319,2cyclictest18150irq/131-nvme0q322:54:592
1882608992319,2cyclictest0-21swapper/219:55:122
1882608992317,4cyclictest2022196-21ps21:25:172
188260899231,3cyclictest2215649-21awk00:35:002
188260899231,21cyclictest1960272-21apt-get20:25:132
188260899231,21cyclictest0-21swapper/221:20:132
188260899231,21cyclictest0-21swapper/220:33:532
188260899231,1cyclictest2155555-21irqcore23:35:172
188260899230,3cyclictest516-21rs:main2
188260899230,3cyclictest516-21rs:main2
188260899230,21cyclictest391rcuc/219:50:012
188260899230,21cyclictest1991699-21cut20:55:172
188260899230,21cyclictest1902270-21cat19:25:192
188260899230,21cyclictest1891771-21needreboot19:15:192
188260899230,20cyclictest0-21swapper/222:25:132
188260899230,1cyclictest0-21swapper/221:48:522
1882606992320,2cyclictest2026719-21apt-get21:30:121
1882606992320,2cyclictest1918843-21apt-get19:45:141
188260699231,2cyclictest2129298-21apt-get23:10:141
188260699230,21cyclictest2032688-21grep21:35:171
1882602992319,2cyclictest1929384-21apt-get19:55:120
188260299231,2cyclictest2114132-21apt-get22:55:130
188260299231,20cyclictest0-21swapper/023:15:130
188260299230,2cyclictest0-21swapper/023:50:120
188260299230,22cyclictest2052286-21idleruntime-cro21:55:000
188260299230,20cyclictest2145058-21grep23:25:180
188260299230,20cyclictest2145058-21grep23:25:180
188260299230,20cyclictest0-21swapper/019:45:140
188260299230,1cyclictest0-21swapper/023:00:120
188260299230,1cyclictest0-21swapper/022:45:130
188260299230,1cyclictest0-21swapper/020:56:440
1882612992218,3cyclictest2056397-21ntpq21:55:213
188261299221,19cyclictest0-21swapper/300:30:113
188261299220,2cyclictest2134096-21cron23:15:003
188261299220,2cyclictest2113854-21cron22:55:003
188261299220,2cyclictest2098266-21cron22:40:003
188261299220,20cyclictest0-21swapper/320:35:133
188261299220,20cyclictest0-21swapper/320:35:133
188261299220,19cyclictest0-21swapper/321:05:123
1882608992219,2cyclictest0-21swapper/223:56:492
1882608992219,2cyclictest0-21swapper/200:35:142
1882608992218,2cyclictest1950634-21grep20:15:192
1882608992218,2cyclictest0-21swapper/222:10:142
188260899221,20cyclictest0-21swapper/221:00:132
188260899220,2cyclictest0-21swapper/222:00:112
188260899220,20cyclictest0-21swapper/219:20:122
188260899220,1cyclictest2062646-21apt-get22:05:152
1882606992218,2cyclictest2159819-21cron23:40:001
1882606992218,2cyclictest1903613-21apt-get19:30:121
1882606992217,4cyclictest2021469-21latency_hist21:25:001
188260699221,20cyclictest1913797-21apt-get19:40:101
188260699220,2cyclictest2086976-21/usr/sbin/munin22:25:241
188260699220,21cyclictest1934376-21latency_hist20:00:001
188260699220,21cyclictest1888442-21ps19:15:171
1882602992219,2cyclictest2210569-21idleruntime-cro00:30:010
1882602992219,2cyclictest0-21swapper/022:35:100
1882602992219,1cyclictest2031952-21cat21:35:000
1882602992217,3cyclictest1950636-21cut20:15:180
1882602992217,3cyclictest0-21swapper/000:10:130
188260299221,2cyclictest1882819-21apt-get19:10:120
188260299221,20cyclictest2109077-21apt-get22:50:120
188260299221,19cyclictest2149587-21apt-get23:30:120
188260299220,2cyclictest0-21swapper/000:15:140
188260299220,21cyclictest1902269-21sshd19:25:190
188260299220,21cyclictest0-21swapper/022:10:140
188260299220,20cyclictest0-21swapper/022:30:010
188260299220,20cyclictest0-21swapper/020:00:110
1882612992119,1cyclictest64-21kcompactd020:55:383
1882612992118,2cyclictest3777322-21systemd-journal20:15:003
1882612992117,3cyclictest2190312-21ls00:10:003
1882612992117,3cyclictest1960000-21idleruntime-cro20:25:003
1882612992117,2cyclictest3777322-21systemd-journal19:49:593
188261299211,19cyclictest0-21swapper/321:15:123
188261299210,2cyclictest2145047-21sort23:25:183
188261299210,2cyclictest2145047-21sort23:25:173
188261299210,20cyclictest64-21kcompactd022:22:453
188261299210,20cyclictest1929104-21cron19:54:593
188261299210,20cyclictest0-21swapper/320:15:203
188261299210,20cyclictest0-21swapper/319:57:513
188261299210,1cyclictest0-21swapper/319:30:113
188261299210,19cyclictest1-21systemd23:50:013
188261299210,18cyclictest0-21swapper/322:40:133
188261299210,18cyclictest0-21swapper/322:25:123
1882608992119,1cyclictest0-21swapper/219:41:432
1882608992118,2cyclictest0-21swapper/220:11:502
1882608992118,1cyclictest0-21swapper/219:11:082
1882608992117,3cyclictest0-21swapper/223:10:132
1882608992116,2cyclictest0-21swapper/223:05:122
188260899211,19cyclictest0-21swapper/221:15:212
188260899210,20cyclictest391rcuc/220:20:172
188260899210,20cyclictest0-21swapper/222:55:132
188260899210,19cyclictest0-21swapper/222:30:152
1882606992119,1cyclictest2001366-21apt-get21:05:121
1882606992118,2cyclictest2169957-21awk23:49:591
1882606992117,3cyclictest1939249-21awk20:05:001
1882606992117,2cyclictest2068241-21ps22:10:181
1882606992117,2cyclictest0-21swapper/121:30:011
1882606992114,6cyclictest2011290-21cron21:15:011
188260699211,1cyclictest2052533-21apt-get21:55:131
188260699211,19cyclictest0-21swapper/100:22:051
188260699210,20cyclictest1949493-21apt-config20:15:001
188260699210,20cyclictest0-21swapper/119:10:121
188260699210,1cyclictest64-21kcompactd020:59:571
188260699210,1cyclictest0-21swapper/100:35:141
1882602992119,1cyclictest64-21kcompactd022:33:300
1882602992118,2cyclictest0-21swapper/019:35:120
1882602992118,1cyclictest0-21swapper/023:56:490
1882602992117,2cyclictest0-21swapper/022:20:120
1882602992117,2cyclictest0-21swapper/020:05:110
1882602992117,2cyclictest0-21swapper/000:35:140
188260299210,20cyclictest0-21swapper/021:40:130
188260299210,20cyclictest0-21swapper/020:51:520
188260299210,20cyclictest0-21swapper/020:51:520
188260299210,20cyclictest0-21swapper/019:30:120
188260299210,1cyclictest2155554-21grep23:35:170
188260299210,1cyclictest0-21swapper/023:44:280
188260299210,1cyclictest0-21swapper/023:20:130
188260299210,1cyclictest0-21swapper/022:05:140
1882612992018,1cyclictest0-21swapper/322:15:123
1882612992016,3cyclictest2061614-21ps22:00:233
188261299200,1cyclictest0-21swapper/319:35:123
188261299200,19cyclictest0-21swapper/323:55:123
188261299200,19cyclictest0-21swapper/323:04:593
188261299200,19cyclictest0-21swapper/320:40:133
1882608992017,2cyclictest2103326-21apt-get22:45:002
1882608992017,2cyclictest0-21swapper/219:54:372
188260899200,1cyclictest0-21swapper/223:30:122
188260899200,19cyclictest0-21swapper/221:05:122
1882606992018,1cyclictest0-21swapper/122:55:131
1882606992018,1cyclictest0-21swapper/121:46:431
1882606992018,1cyclictest0-21swapper/120:45:571
1882606992018,1cyclictest0-21swapper/120:35:121
1882606992018,1cyclictest0-21swapper/120:35:121
1882606992017,2cyclictest2175030-21cron23:55:001
1882606992017,2cyclictest2134870-21ps23:15:171
188260699200,1cyclictest1965091-21awk20:30:001
188260699200,1cyclictest0-21swapper/122:24:211
188260699200,1cyclictest0-21swapper/120:50:131
188260699200,1cyclictest0-21swapper/120:50:121
188260699200,1cyclictest0-21swapper/100:30:101
188260699200,19cyclictest64-21kcompactd020:21:301
188260699200,19cyclictest64-21kcompactd019:21:531
188260699200,19cyclictest2104022-21apt-get22:45:131
188260699200,19cyclictest0-21swapper/120:40:131
188260699200,19cyclictest0-21swapper/119:51:241
188260699200,18cyclictest0-21swapper/121:15:121
1882602992017,2cyclictest0-21swapper/023:45:100
1882602992017,2cyclictest0-21swapper/019:41:430
1882602992016,2cyclictest2124241-21apt-get23:05:120
1882602992016,2cyclictest0-21swapper/022:45:000
188260299200,19cyclictest0-21swapper/020:25:130
1882612991917,1cyclictest0-21swapper/323:40:103
1882612991917,1cyclictest0-21swapper/323:20:143
1882612991917,1cyclictest0-21swapper/321:45:123
1882612991917,1cyclictest0-21swapper/321:20:123
1882612991917,1cyclictest0-21swapper/319:14:543
1882612991916,2cyclictest64-21kcompactd021:34:533
1882612991916,1cyclictest0-21swapper/300:15:143
1882608991915,2cyclictest2210552-21cron00:30:012
1882606991917,1cyclictest0-21swapper/123:25:231
1882606991917,1cyclictest0-21swapper/123:25:231
1882606991916,2cyclictest1996253-21apt-get21:00:131
1882606991914,3cyclictest2180983-21ps00:00:161
1882602991917,1cyclictest0-21swapper/020:11:500
1882602991916,2cyclictest0-21swapper/023:10:130
188260299190,1cyclictest1891769-21modprobe19:15:200
188260299190,18cyclictest0-21swapper/019:20:120
1882612991816,1cyclictest64-21kcompactd022:58:463
1882612991816,1cyclictest2139326-21latency_hist23:20:003
1882612991816,1cyclictest0-21swapper/322:45:123
1882612991816,1cyclictest0-21swapper/321:35:143
1882612991816,1cyclictest0-21swapper/320:50:143
1882612991816,1cyclictest0-21swapper/320:50:133
1882612991815,1cyclictest0-21swapper/321:10:113
1882606991816,1cyclictest0-21swapper/123:44:281
1882606991816,1cyclictest0-21swapper/120:33:531
1882606991816,1cyclictest0-21swapper/100:30:011
1882606991811,4cyclictest3777322-21systemd-journal22:54:591
188260699180,1cyclictest0-21swapper/123:20:121
1882602991816,1cyclictest0-21swapper/021:05:120
1882612991716,1cyclictest0-21swapper/323:54:083
1882612991715,1cyclictest0-21swapper/322:30:113
1882612991715,1cyclictest0-21swapper/321:25:123
1882612991715,1cyclictest0-21swapper/320:05:123
1882608991715,1cyclictest1980788-21cron20:45:012
1882608991714,2cyclictest1981066-21apt-get20:45:122
1882608991713,2cyclictest0-21swapper/222:15:132
1882606991716,1cyclictest0-21swapper/121:50:121
1882606991715,1cyclictest2149587-21apt-get23:30:131
1882606991715,1cyclictest0-21swapper/122:05:141
1882606991715,1cyclictest0-21swapper/122:00:111
1882606991715,1cyclictest0-21swapper/119:25:191
1882606991714,2cyclictest0-21swapper/123:09:591
188260699170,17cyclictest0-21swapper/119:39:591
1882602991715,1cyclictest0-21swapper/019:54:370
1882602991713,3cyclictest61650irq/133-enp0s29f1:rx-021:10:120
1882602991712,2cyclictest2072846-21apt-get22:15:140
1882612991614,1cyclictest0-21swapper/300:10:133
1882612991613,2cyclictest2215924-21apt-get00:35:143
1882612991613,1cyclictest0-21swapper/319:40:113
188260699166,3cyclictest2088956-21grep22:30:151
1882606991612,2cyclictest1939498-21apt-get20:05:111
1882602991613,2cyclictest61650irq/133-enp0s29f1:rx-020:40:150
1882602991613,2cyclictest61650irq/133-enp0s29f1:rx-000:20:180
1882602991612,3cyclictest61650irq/133-enp0s29f1:rx-021:55:210
1882612991513,1cyclictest0-21swapper/323:06:503
1882612991512,2cyclictest0-21swapper/300:05:013
1882612991511,3cyclictest1996319-21cpuspeed_turbos21:00:143
1882608991512,2cyclictest0-21swapper/222:00:012
1882606991512,2cyclictest2195380-21munin-run00:15:011
1882606991512,2cyclictest2099496-21kthreadcore22:40:181
1882606991512,2cyclictest1954477-21unixbench_multi20:15:271
1882606991512,2cyclictest0-21swapper/122:35:101
1882602991512,2cyclictest61650irq/133-enp0s29f1:rx-020:50:010
1882612991413,1cyclictest0-21swapper/319:25:113
1882612991412,1cyclictest0-21swapper/323:30:133
1882608991413,1cyclictest0-21swapper/221:11:462
1882606991411,2cyclictest2186042-21irqcore00:05:171
1882602991412,1cyclictest0-21swapper/020:24:110
188261299139,2cyclictest2065061-21grep22:05:213
188261299139,2cyclictest0-21swapper/320:35:013
1882608991310,2cyclictest2200801-21cpuspeed_turbos00:20:132
188261299129,2cyclictest2052257-21cron21:55:013
188260699129,2cyclictest0-21swapper/119:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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