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2026-07-24 - 05:22
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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 Fri Jul 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4193206993633,2cyclictest117964-21irqcore21:05:173
419320299331,21cyclictest323524-21irqcore00:25:172
419320299321,3cyclictest133096-21apt-get21:20:142
4193202992919,8cyclictest245817-21cron23:10:002
4193202992818,8cyclictest307899-21grep00:10:182
419320299280,10cyclictest235708-21awk22:59:592
419319899272,23cyclictest333246-21apt-get00:35:131
419319899272,21cyclictest220324-21apt-get22:45:121
419320699261,5cyclictest3777322-21systemd-journal20:25:003
4193202992619,6cyclictest0-21swapper/200:00:122
419320299260,19cyclictest0-21swapper/221:10:132
419319899261,21cyclictest0-21swapper/120:45:141
419319699262,22cyclictest76473-21apt-get20:25:110
419319699260,7cyclictest142984-21basename21:30:000
419320699252,3cyclictest19771-21apt-get19:30:113
419320699251,20cyclictest261289-21apt-get23:25:113
419320699251,20cyclictest261289-21apt-get23:25:103
419320699251,20cyclictest107355-21apt-get20:55:123
419320699250,22cyclictest281612-21taskset23:45:113
4193202992519,4cyclictest215278-21apt-get22:40:122
419319899252,3cyclictest0-21swapper/122:50:181
419319899252,21cyclictest281609-21apt-get23:45:111
419319899252,21cyclictest0-21swapper/120:10:151
419319899251,21cyclictest0-21swapper/122:20:141
419319899251,20cyclictest35447-21apt-get19:45:121
419319899251,20cyclictest0-21swapper/119:10:121
419319899250,23cyclictest3777322-21systemd-journal20:35:001
4193196992522,2cyclictest317996-21apt-get00:20:130
419319699251,22cyclictest61238-21apt-get20:10:110
4193206992420,2cyclictest241002-21apt-get23:05:133
419320699241,21cyclictest49962-21ntpq19:55:223
419320699241,20cyclictest51078-21apt-get20:00:133
419320699241,20cyclictest0-21swapper/323:10:123
419320699241,20cyclictest0-21swapper/321:25:123
419320699240,21cyclictest87580-21grep20:35:153
419320299241,2cyclictest164402-21apt-get21:50:142
419320299241,20cyclictest102264-21apt-get20:50:122
419320299240,1cyclictest0-21swapper/223:19:432
4193198992420,2cyclictest312926-21apt-get00:15:141
4193198992419,3cyclictest291747-21apt-get23:55:111
4193198992419,3cyclictest153864-21apt-get21:40:131
4193198992418,4cyclictest55865-21cron20:04:591
419319899241,3cyclictest138163-21apt-get21:25:121
419319899241,21cyclictest3777322-21systemd-journal22:20:001
419319899241,21cyclictest0-21swapper/121:35:001
419319899240,20cyclictest64-21kcompactd022:35:061
419319899240,20cyclictest0-21swapper/123:25:111
419319899240,20cyclictest0-21swapper/123:25:101
419319899240,20cyclictest0-21swapper/121:35:121
4193196992420,2cyclictest117483-21apt-get21:05:140
419319699241,2cyclictest230889-21apt-get22:55:140
419319699241,21cyclictest40516-21apt-get19:50:120
419319699241,20cyclictest0-21swapper/021:45:020
419320699232,1cyclictest169474-21apt-get21:55:123
4193206992320,2cyclictest514-21in:imuxsock22:20:013
4193206992319,2cyclictest184768-21apt-get22:10:123
419320699231,2cyclictest307411-21apt-get00:10:133
419320699231,2cyclictest296532-21latency_hist00:00:013
419320699231,2cyclictest240746-21munin-run23:05:003
419320699230,22cyclictest71126-21cron20:20:003
419320699230,22cyclictest255923-21cron23:20:003
419320699230,20cyclictest0-21swapper/322:25:113
419320699230,20cyclictest0-21swapper/321:45:133
419320699230,20cyclictest0-21swapper/319:45:123
419320699230,20cyclictest0-21swapper/319:20:143
4193202992319,2cyclictest45670-21date19:55:002
4193202992318,3cyclictest120904-21cut21:05:192
4193202992313,9cyclictest3777322-21systemd-journal00:00:002
419320299230,4cyclictest10137-21sed19:20:182
419320299230,21cyclictest240742-21awk23:05:002
419320299230,20cyclictest286683-21seq23:50:132
419320299230,1cyclictest0-21swapper/221:42:572
419319899232,2cyclictest266358-21apt-get23:30:121
4193198992320,2cyclictest70266-21ntpq20:15:201
4193198992319,2cyclictest199956-21apt-get22:25:111
4193198992318,3cyclictest516-21rs:main1
419319899231,20cyclictest163277-21ntpq21:45:221
419319899230,22cyclictest291476-21basename23:55:001
419319899230,20cyclictest0-21swapper/123:40:121
4193196992318,3cyclictest154366-21tr21:40:170
419319699231,20cyclictest246093-21apt-get23:10:130
419319699230,21cyclictest265221-21runrttasks23:25:210
419319699230,21cyclictest265221-21runrttasks23:25:200
419319699230,21cyclictest112140-21awk21:00:000
419319699230,20cyclictest112413-21apt-get21:00:120
419319699230,20cyclictest0-21swapper/000:15:000
4193206992219,2cyclictest45476-21latency_hist19:55:003
4193206992219,2cyclictest198973-21/usr/sbin/munin22:20:253
419320699221,2cyclictest4193416-21apt-get19:10:123
419320699221,2cyclictest0-21swapper/300:25:253
419320699220,4cyclictest154353-21grep21:40:173
419320699220,2cyclictest0-21swapper/322:55:123
419320699220,21cyclictest60258-21seq20:05:243
419320699220,20cyclictest18660-21awk19:25:233
419320699220,20cyclictest0-21swapper/320:50:123
419320699220,19cyclictest0-21swapper/321:30:123
4193202992219,2cyclictest24864-21apt-get19:35:122
4193202992219,1cyclictest0-21swapper/220:20:092
4193202992218,3cyclictest64-21kcompactd022:48:332
4193202992218,2cyclictest230192-21apt-get22:55:012
4193202992218,2cyclictest14705-21apt-get19:25:142
4193202992213,7cyclictest266841-21ps23:30:162
419320299221,2cyclictest189819-21apt-get22:15:142
419320299221,1cyclictest0-21swapper/219:10:122
419320299220,21cyclictest60581-21taskset20:05:262
419320299220,21cyclictest189541-21cron22:15:002
419320299220,20cyclictest266086-21awk23:30:002
419320299220,20cyclictest266086-21awk23:29:592
419320299220,19cyclictest0-21swapper/222:25:112
419320299220,19cyclictest0-21swapper/220:55:122
4193198992219,2cyclictest0-21swapper/122:55:121
4193198992218,2cyclictest9638-21apt-get19:20:141
419319899221,2cyclictest0-21swapper/119:15:121
419319899221,20cyclictest0-21swapper/121:22:321
419319899221,1cyclictest30379-21apt-get19:40:121
419319899220,2cyclictest24203-21users19:30:251
419319899220,2cyclictest131536-21ntpq21:15:221
419319899220,21cyclictest76478-21cpu20:25:121
4193196992219,2cyclictest30379-21apt-get19:40:120
4193196992219,2cyclictest174584-21apt-get22:00:110
4193196992219,2cyclictest0-21swapper/021:20:150
419319699221,20cyclictest297225-21apt-get00:00:120
419319699221,20cyclictest0-21swapper/022:45:180
419319699221,20cyclictest0-21swapper/000:16:420
419319699221,20cyclictest0-21swapper/000:05:150
419319699221,1cyclictest0-21swapper/020:45:140
419319699220,3cyclictest702-21runrttasks21:30:110
419319699220,2cyclictest293959-21sort23:55:170
419319699220,2cyclictest0-21swapper/023:50:130
419319699220,2cyclictest0-21swapper/021:15:130
419319699220,21cyclictest0-21swapper/023:20:130
419319699220,21cyclictest0-21swapper/000:25:110
419319699220,20cyclictest0-21swapper/022:10:110
419319699220,19cyclictest0-21swapper/022:20:030
4193206992119,1cyclictest209062-21ntpq22:30:223
4193206992119,1cyclictest0-21swapper/300:15:143
4193206992118,2cyclictest64-21kcompactd023:40:093
4193206992118,2cyclictest302071-21sh00:05:013
4193206992118,2cyclictest0-21swapper/321:10:133
4193206992118,2cyclictest0-21swapper/320:10:113
4193206992118,1cyclictest0-21swapper/321:50:133
4193206992118,1cyclictest0-21swapper/319:15:123
4193206992116,3cyclictest76962-21tr20:25:153
419320699210,20cyclictest290813-21switchtime23:50:243
419320699210,20cyclictest0-21swapper/319:40:123
419320699210,1cyclictest0-21swapper/323:40:003
419320699210,1cyclictest0-21swapper/319:35:113
419320299218,2cyclictest0-21swapper/222:00:172
419320299216,14cyclictest261033-21munin-run23:25:002
4193202992119,1cyclictest0-21swapper/221:30:122
4193202992119,1cyclictest0-21swapper/221:25:122
4193202992119,1cyclictest0-21swapper/220:49:122
4193202992118,3cyclictest0-21swapper/223:12:432
4193202992117,3cyclictest334197-21sed00:35:182
4193202992113,7cyclictest318130-21cpuspeed_turbos00:20:132
419320299211,1cyclictest0-21swapper/221:35:132
419320299211,19cyclictest0-21swapper/200:07:022
4193202992111,8cyclictest0-21swapper/219:59:592
419320299210,20cyclictest64-21kcompactd023:44:592
419320299210,20cyclictest132436-21gpgv21:20:012
419320299210,1cyclictest0-21swapper/223:35:102
419320299210,1cyclictest0-21swapper/221:45:132
419320299210,1cyclictest0-21swapper/220:00:132
4193198992119,1cyclictest0-21swapper/122:10:121
4193198992119,1cyclictest0-21swapper/100:29:351
4193198992118,2cyclictest0-21swapper/119:27:281
4193198992118,2cyclictest0-21swapper/100:00:121
419319899210,2cyclictest0-21swapper/123:05:131
419319899210,20cyclictest0-21swapper/122:40:111
419319899210,20cyclictest0-21swapper/120:05:121
419319899210,20cyclictest0-21swapper/119:55:121
419319899210,20cyclictest0-21swapper/100:30:121
419319899210,20cyclictest0-21swapper/100:12:561
419319899210,1cyclictest0-21swapper/122:00:111
419319899210,19cyclictest0-21swapper/123:20:131
419319899210,18cyclictest0-21swapper/123:10:121
4193196992119,1cyclictest0-21swapper/022:15:130
4193196992118,2cyclictest71403-21apt-get20:20:090
4193196992118,2cyclictest0-21swapper/022:35:120
4193196992117,2cyclictest205094-21apt-get22:30:110
4193196992116,3cyclictest87080-21apt-get20:35:130
419319699211,19cyclictest245007-21ntpq23:05:230
419319699210,2cyclictest64-21kcompactd019:26:240
419319699210,2cyclictest0-21swapper/021:38:070
419319699210,2cyclictest0-21swapper/020:30:100
419319699210,20cyclictest64-21kcompactd021:53:430
419319699210,20cyclictest35929-21irqcore19:45:160
419319699210,20cyclictest0-21swapper/023:35:110
419319699210,20cyclictest0-21swapper/019:30:110
419319699210,20cyclictest0-21swapper/000:35:130
4193206992019,1cyclictest0-21swapper/322:55:003
4193206992018,1cyclictest0-21swapper/320:40:133
4193206992017,1cyclictest0-21swapper/320:45:153
419320699200,1cyclictest0-21swapper/321:40:003
419320699200,1cyclictest0-21swapper/300:36:363
419320699200,1cyclictest0-21swapper/300:20:113
419320699200,19cyclictest64-21kcompactd022:45:513
4193202992018,1cyclictest0-21swapper/220:35:112
4193202992018,1cyclictest0-21swapper/219:40:252
4193202992017,2cyclictest328110-21apt-get00:30:112
4193202992014,5cyclictest174313-21awk22:00:002
419320299200,1cyclictest0-21swapper/222:21:082
419320299200,1cyclictest0-21swapper/220:30:112
419320299200,1cyclictest0-21swapper/220:25:112
419320299200,19cyclictest0-21swapper/219:48:272
4193198992018,1cyclictest64-21kcompactd020:20:421
4193198992017,2cyclictest322794-21idleruntime-cro00:25:011
4193198992017,2cyclictest103215-21kthreadcore20:50:171
4193198992017,1cyclictest0-21swapper/120:35:121
4193198992016,2cyclictest302320-21apt-get00:05:141
419319899201,18cyclictest0-21swapper/121:00:121
419319899200,1cyclictest0-21swapper/120:55:121
419319899200,19cyclictest0-21swapper/122:34:011
419319899200,19cyclictest0-21swapper/121:55:121
4193196992017,2cyclictest1-21systemd19:40:010
4193196992017,2cyclictest0-21swapper/022:50:130
4193196992017,2cyclictest0-21swapper/022:40:130
4193196992017,2cyclictest0-21swapper/020:15:110
4193196992017,2cyclictest0-21swapper/020:00:130
419319699200,2cyclictest64-21kcompactd022:28:380
419319699200,1cyclictest0-21swapper/000:31:130
419319699200,19cyclictest64-21kcompactd019:18:520
419319699200,19cyclictest0-21swapper/023:15:240
419319699200,19cyclictest0-21swapper/022:05:140
419319699200,19cyclictest0-21swapper/021:10:230
4193206991917,1cyclictest0-21swapper/321:15:143
4193206991917,1cyclictest0-21swapper/320:30:033
4193202991917,1cyclictest0-21swapper/200:15:142
419320299190,1cyclictest0-21swapper/220:40:212
419320299190,19cyclictest0-21swapper/219:10:012
4193198991917,1cyclictest271448-21apt-get23:35:111
4193198991916,2cyclictest0-21swapper/119:50:131
4193196991916,2cyclictest239842-21ntpq23:00:220
4193196991915,2cyclictest0-21swapper/023:45:110
4193206991816,1cyclictest0-21swapper/323:20:483
4193206991816,1cyclictest0-21swapper/321:02:383
4193206991816,1cyclictest0-21swapper/300:05:143
4193206991815,2cyclictest271176-21idleruntime-cro23:35:003
4193206991815,1cyclictest0-21swapper/322:40:123
4193202991816,1cyclictest0-21swapper/219:15:262
4193198991816,1cyclictest0-21swapper/121:10:131
4193196991817,1cyclictest64-21kcompactd019:24:150
4193196991816,1cyclictest0-21swapper/020:09:560
4193196991816,1cyclictest0-21swapper/019:55:260
4193202991715,1cyclictest0-21swapper/221:00:172
4193202991714,1cyclictest0-21swapper/220:10:122
4193202991712,3cyclictest206040-21kthreadcore22:30:172
4193198991714,2cyclictest0-21swapper/121:50:141
4193196991715,1cyclictest64-21kcompactd023:32:050
4193196991714,2cyclictest0-21swapper/020:50:130
419320299166,4cyclictest184571-21cat22:10:012
4193196991612,3cyclictest280869-21unixbench_multi23:40:250
4193206991513,1cyclictest0-21swapper/322:05:143
4193206991513,1cyclictest0-21swapper/300:30:413
4193206991512,2cyclictest18250irq/132-nvme0q422:00:113
419320299156,3cyclictest401ktimers/222:35:122
4193202991513,1cyclictest0-21swapper/223:47:412
4193206991411,2cyclictest0-21swapper/321:20:143
419320299149,4cyclictest0-21swapper/219:30:122
4193202991412,1cyclictest0-21swapper/220:20:012
4193198991411,2cyclictest236440-21irqcore23:00:181
4193198991411,2cyclictest121749-21timerwakeupswit21:05:261
4193196991411,2cyclictest61650irq/133-enp0s29f1:rx-020:42:110
4193196991411,2cyclictest61650irq/133-enp0s29f1:rx-019:13:520
4193196991411,2cyclictest174320-21cron22:00:000
419319899139,2cyclictest0-21swapper/122:05:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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