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2026-09-24 - 04:07
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Thu Sep 24, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
481644992623,2cyclictest516-21rs:main3
48164499261,5cyclictest3777322-21systemd-journal22:10:003
48164299262,21cyclictest502153-21apt-get19:30:142
481642992618,6cyclictest778318-21grep00:00:152
48163899261,22cyclictest634518-21apt-get21:40:121
48163899260,22cyclictest563066-21taskset20:30:151
48164499251,3cyclictest706437-21tr22:50:203
48164499251,20cyclictest0-21swapper/300:15:113
48164299251,20cyclictest767682-21apt-get23:50:132
48163899251,21cyclictest517428-21apt-get19:45:151
48163899251,21cyclictest0-21swapper/119:50:121
48163899251,20cyclictest680622-21apt-get22:25:121
48163499252,21cyclictest782911-21apt-get00:05:140
481634992520,3cyclictest486921-21apt-get19:15:130
481634992519,4cyclictest3777322-21systemd-journal00:30:110
48163499251,22cyclictest522516-21apt-get19:50:120
481644992420,2cyclictest0-21swapper/320:09:593
48164499241,3cyclictest604067-21apt-get21:10:153
48164499241,21cyclictest680346-21cron22:25:003
48164499241,20cyclictest0-21swapper/319:30:143
48164499240,3cyclictest593646-21cron21:00:013
48164499240,20cyclictest0-21swapper/300:00:123
48164299242,2cyclictest690737-21apt-get22:35:112
481642992420,2cyclictest614222-21apt-get21:20:122
48164299241,20cyclictest808322-21apt-get00:30:112
48164299241,20cyclictest644707-21apt-get21:50:152
48164299241,20cyclictest593924-21apt-get21:00:092
48164299241,20cyclictest557993-21seq20:25:112
48164299241,20cyclictest0-21swapper/223:20:112
48164299241,19cyclictest537763-21apt-get20:05:152
481638992420,2cyclictest798138-21apt-get00:20:121
481638992420,2cyclictest711032-21apt-get22:55:111
481638992420,2cyclictest675531-21apt-get22:20:101
48163899241,21cyclictest741251-21https23:25:001
48163899241,21cyclictest507732-21tr19:35:161
48163899241,20cyclictest741914-21apt-get23:25:101
48163899241,20cyclictest0-21swapper/122:05:111
48163899241,19cyclictest803230-21apt-get00:25:121
48163899240,21cyclictest0-21swapper/120:20:121
48163899240,20cyclictest0-21swapper/123:40:151
48163899240,20cyclictest0-21swapper/119:40:121
48163499242,21cyclictest563063-21apt-get20:30:150
481634992420,2cyclictest639612-21apt-get21:45:120
481634992419,3cyclictest602977-21ntpq21:05:230
48163499241,21cyclictest659873-21apt-get22:05:110
48163499241,21cyclictest654819-21apt-get22:00:150
48163499241,20cyclictest777820-21apt-get00:00:120
48163499241,20cyclictest747431-21apt-get23:30:110
48163499240,22cyclictest0-21swapper/023:40:150
481644992320,1cyclictest0-21swapper/322:55:113
481644992319,3cyclictest0-21swapper/319:10:123
481644992319,2cyclictest0-21swapper/321:25:133
48164499231,2cyclictest516258-21ntpq19:40:223
48164499231,2cyclictest0-21swapper/300:35:183
48164499231,21cyclictest0-21swapper/321:40:133
48164499231,21cyclictest0-21swapper/321:00:093
48164499231,20cyclictest787976-21apt-get00:10:093
48164499231,20cyclictest546733-21ntpq20:10:213
48164499231,20cyclictest0-21swapper/320:45:113
48164499230,21cyclictest741406-21latency_hist23:25:013
48164499230,20cyclictest0-21swapper/322:30:133
481642992320,1cyclictest609155-21apt-get21:15:112
481642992319,3cyclictest1-21systemd20:25:002
48164299231,19cyclictest0-21swapper/220:40:122
48164299231,19cyclictest0-21swapper/200:25:122
48164299230,22cyclictest583512-21cron20:50:002
48164299230,21cyclictest531593-21sshd19:55:222
48164299230,20cyclictest0-21swapper/220:10:112
48164299230,19cyclictest0-21swapper/222:30:132
481638992319,2cyclictest685669-21apt-get22:30:121
481638992319,2cyclictest598996-21apt-get21:05:131
481638992319,2cyclictest0-21swapper/119:15:131
48163899231,3cyclictest557990-21apt-get20:25:111
48163899231,2cyclictest762612-21apt-get23:45:101
48163899231,2cyclictest752505-21apt-get23:35:131
48163899231,21cyclictest568571-21apt-get20:35:091
48163899231,21cyclictest568571-21apt-get20:35:091
48163899231,19cyclictest0-21swapper/120:58:251
48163899230,3cyclictest547605-21systemd-run20:15:001
48163899230,20cyclictest0-21swapper/122:40:131
48163899230,20cyclictest0-21swapper/122:10:171
48163499231,21cyclictest741282-21apt-key23:25:000
48163499231,20cyclictest527585-21apt-get19:55:120
48163499231,19cyclictest793047-21apt-get00:15:110
48163499230,22cyclictest695539-21true22:39:590
48163499230,21cyclictest807314-21/usr/sbin/munin00:25:240
48163499230,20cyclictest0-21swapper/022:54:310
48163499230,20cyclictest0-21swapper/020:05:150
48163499230,1cyclictest0-21swapper/021:20:120
481644992218,3cyclictest481rcuc/321:10:013
48164499221,2cyclictest808806-21ps00:30:163
48164499221,20cyclictest725960-21turbostat23:10:003
48164499221,20cyclictest64-21kcompactd023:26:473
48164499221,20cyclictest0-21swapper/322:40:223
48164499220,2cyclictest669804-21sh22:15:003
481642992218,2cyclictest588836-21apt-get20:55:132
48164299221,2cyclictest491740-21cron19:20:002
48164299220,20cyclictest0-21swapper/221:55:112
48164299220,19cyclictest0-21swapper/223:05:112
48164299220,19cyclictest0-21swapper/222:00:152
481638992219,2cyclictest0-21swapper/121:25:131
481638992219,1cyclictest0-21swapper/121:45:121
481638992218,2cyclictest0-21swapper/123:30:101
481638992218,2cyclictest0-21swapper/121:30:171
481638992218,1cyclictest0-21swapper/100:10:091
48163899221,2cyclictest670458-21apt-get22:15:141
48163899221,20cyclictest64-21kcompactd019:59:481
48163899221,1cyclictest700851-21apt-get22:45:121
48163899220,20cyclictest0-21swapper/119:10:111
48163899220,19cyclictest0-21swapper/123:50:131
481634992219,2cyclictest609638-21ps21:15:160
481634992219,2cyclictest0-21swapper/022:25:110
481634992219,2cyclictest0-21swapper/022:20:100
481634992219,2cyclictest0-21swapper/021:25:130
481634992218,3cyclictest64-21kcompactd023:35:230
481634992218,2cyclictest624387-21apt-get21:30:170
481634992218,2cyclictest0-21swapper/021:40:120
48163499221,2cyclictest0-21swapper/019:45:150
48163499221,20cyclictest664969-21apt-get22:10:170
48163499221,20cyclictest0-21swapper/020:35:100
48163499221,20cyclictest0-21swapper/020:35:100
48163499220,2cyclictest716595-21sed23:00:170
481644992118,2cyclictest0-21swapper/322:00:213
481644992117,2cyclictest0-21swapper/320:00:123
48164499211,1cyclictest0-21swapper/320:50:223
48164499211,1cyclictest0-21swapper/319:39:553
48164499211,19cyclictest0-21swapper/321:35:123
48164499210,2cyclictest64-21kcompactd022:15:163
48164499210,20cyclictest517923-21ps19:45:193
48164499210,20cyclictest0-21swapper/320:35:033
48164499210,20cyclictest0-21swapper/320:35:023
48164499210,19cyclictest552922-21apt-get20:20:113
481642992119,1cyclictest0-21swapper/223:40:152
481642992119,1cyclictest0-21swapper/222:05:112
481642992118,1cyclictest0-21swapper/221:35:112
481642992117,3cyclictest516267-21ld19:40:212
481642992117,2cyclictest547851-21apt-get20:15:132
48164299210,2cyclictest753000-21ps23:35:172
48164299210,20cyclictest0-21swapper/223:57:582
48164299210,20cyclictest0-21swapper/219:45:152
48164299210,19cyclictest0-21swapper/221:40:162
48164299210,19cyclictest0-21swapper/220:00:142
481638992119,1cyclictest0-21swapper/100:30:111
481638992117,2cyclictest0-21swapper/120:40:121
481638992116,3cyclictest0-21swapper/123:15:101
48163899210,2cyclictest0-21swapper/121:20:121
48163899210,20cyclictest0-21swapper/121:15:251
48163899210,1cyclictest0-21swapper/122:54:311
48163899210,1cyclictest0-21swapper/100:15:111
48163899210,1cyclictest0-21swapper/100:05:131
48163899210,1cyclictest0-21swapper/100:00:121
481634992119,1cyclictest64-21kcompactd022:48:370
481634992118,2cyclictest742864-21sed23:25:150
481634992118,2cyclictest653577-21needreboot21:55:180
481634992118,2cyclictest543750-21ps20:10:160
481634992118,2cyclictest0-21swapper/023:10:160
481634992118,2cyclictest0-21swapper/023:10:160
48163499210,20cyclictest0-21swapper/023:50:130
48163499210,20cyclictest0-21swapper/023:45:110
48163499210,20cyclictest0-21swapper/020:20:120
48163499210,20cyclictest0-21swapper/019:35:160
48163499210,20cyclictest0-21swapper/019:10:110
48163499210,1cyclictest0-21swapper/021:10:150
481644992018,1cyclictest64-21kcompactd023:42:233
481644992018,1cyclictest0-21swapper/300:05:133
481644992017,2cyclictest772750-21apt-get23:55:123
481644992017,2cyclictest0-21swapper/321:55:113
481644992017,2cyclictest0-21swapper/319:50:123
481644992016,3cyclictest575879-21kthreadcore20:40:183
481644992016,2cyclictest0-21swapper/319:55:133
48164499201,1cyclictest0-21swapper/321:20:133
48164499200,1cyclictest0-21swapper/323:10:163
48164499200,1cyclictest0-21swapper/323:10:163
48164499200,1cyclictest0-21swapper/319:25:123
48164499200,19cyclictest0-21swapper/300:28:043
481642992018,1cyclictest0-21swapper/219:25:242
481642992018,1cyclictest0-21swapper/200:10:082
481642992016,3cyclictest746731-21cron23:30:002
48164299200,20cyclictest64-21kcompactd023:32:412
48164299200,20cyclictest64-21kcompactd022:27:072
48164299200,1cyclictest0-21swapper/223:50:002
48164299200,1cyclictest0-21swapper/223:15:112
48164299200,1cyclictest0-21swapper/223:00:132
48164299200,1cyclictest0-21swapper/222:50:152
48164299200,1cyclictest0-21swapper/221:05:132
48164299200,1cyclictest0-21swapper/200:35:142
48164299200,19cyclictest573363-21cron20:40:002
48164299200,19cyclictest573363-21cron20:40:002
48164299200,19cyclictest0-21swapper/221:13:282
48164299200,19cyclictest0-21swapper/219:35:372
481638992018,1cyclictest0-21swapper/123:10:161
481638992018,1cyclictest0-21swapper/123:10:161
481638992017,2cyclictest0-21swapper/121:00:101
48163899200,1cyclictest0-21swapper/122:00:151
48163899200,1cyclictest0-21swapper/121:10:151
48163899200,1cyclictest0-21swapper/120:05:151
481634992018,2cyclictest0-21swapper/023:15:110
481634992018,1cyclictest578733-21apt-get20:45:120
481634992018,1cyclictest0-21swapper/020:40:110
481634992017,2cyclictest532667-21apt-get20:00:140
481634992017,2cyclictest0-21swapper/000:10:090
48163499201,19cyclictest0-21swapper/020:58:250
48163499200,19cyclictest0-21swapper/019:40:120
481644991917,1cyclictest0-21swapper/321:30:163
481644991916,2cyclictest0-21swapper/321:50:163
48164499190,18cyclictest0-21swapper/321:45:123
481642991918,1cyclictest64-21kcompactd023:11:122
481642991918,1cyclictest64-21kcompactd023:11:122
481642991917,1cyclictest64-21kcompactd000:18:232
481642991917,1cyclictest0-21swapper/222:45:122
481642991916,1cyclictest0-21swapper/222:20:112
481642991915,2cyclictest492014-21apt-get19:20:122
481638991917,1cyclictest725092-21ntpq23:05:211
481638991917,1cyclictest552164-21modprobe20:15:261
481638991917,1cyclictest0-21swapper/120:45:111
481638991916,2cyclictest512-21tpm2-abrmd19:25:001
481638991916,2cyclictest0-21swapper/100:37:131
481634991917,1cyclictest0-21swapper/021:00:110
481634991917,1cyclictest0-21swapper/020:15:260
481644991815,2cyclictest0-21swapper/320:15:133
481644991813,3cyclictest716103-21apt-get23:00:133
481642991815,2cyclictest787324-21/usr/sbin/munin00:05:262
481642991815,2cyclictest669762-21cron22:15:002
481638991816,1cyclictest0-21swapper/120:00:141
481638991815,2cyclictest0-21swapper/123:00:131
481634991816,1cyclictest64-21kcompactd000:37:130
481634991816,1cyclictest0-21swapper/020:29:220
481644991714,2cyclictest609501-21cut21:15:143
481644991713,2cyclictest766558-21ntpq23:45:203
481638991712,2cyclictest1560159-21kworker/u8:1+flush-259:020:50:131
481634991716,1cyclictest0-21swapper/022:15:140
481634991714,2cyclictest0-21swapper/019:20:110
481644991613,2cyclictest0-21swapper/323:35:143
481642991614,1cyclictest0-21swapper/219:10:112
481642991613,2cyclictest624870-21ps21:30:202
48163899162,13cyclictest654554-21turbostat22:00:011
481638991613,2cyclictest0-21swapper/121:50:191
481638991611,3cyclictest634268-21munin-plugin-st21:40:001
481634991614,1cyclictest0-21swapper/020:50:130
481634991613,2cyclictest61650irq/133-enp0s29f1:rx-000:24:150
481634991613,2cyclictest0-21swapper/022:55:100
481634991612,2cyclictest506064-21ntpq19:30:230
481644991513,1cyclictest1-21systemd23:20:003
481644991513,1cyclictest0-21swapper/300:24:183
481644991512,2cyclictest705665-21cron22:50:003
481642991512,2cyclictest670940-21irqcore22:15:182
481642991512,2cyclictest0-21swapper/222:40:132
481638991511,2cyclictest0-21swapper/119:30:251
481634991513,2cyclictest61650irq/133-enp0s29f1:rx-023:55:240
481634991512,2cyclictest62450irq/134-enp0s29f1:tx-019:25:210
481634991511,3cyclictest634265-21munin-run21:40:000
48164499146,5cyclictest562786-21idleruntime-cro20:30:013
481644991411,2cyclictest0-21swapper/323:50:233
481644991410,2cyclictest0-21swapper/322:25:223
481644991410,2cyclictest0-21swapper/320:35:013
481642991413,1cyclictest0-21swapper/219:50:162
481642991412,1cyclictest0-21swapper/200:24:512
481642991410,3cyclictest623640-21unixbench_multi21:25:252
48164499139,3cyclictest496617-21sshd19:22:423
481644991310,2cyclictest0-21swapper/319:15:123
48163899139,3cyclictest499307-21sort19:25:161
481638991311,1cyclictest0-21swapper/122:35:111
481634991310,2cyclictest61650irq/133-enp0s29f1:rx-021:50:160
48164499126,5cyclictest749773-21seq23:30:173
48164299129,2cyclictest639677-21cpuspeed_turbos21:45:122
48164299127,4cyclictest568249-21sed20:35:012
48164499110,2cyclictest481549-21latency_hist19:10:013
48164299118,2cyclictest0-21swapper/222:55:302
48164299116,4cyclictest588558-21cron20:55:002
48164299110,9cyclictest481720-21cat19:10:012
48163899107,2cyclictest0-21swapper/123:55:161
4816349984,2cyclictest0-21swapper/019:10:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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