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2026-07-25 - 06:54
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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 Sat Jul 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307500999300,21cyclictest3095990-21grep19:30:163
3075009992920,8cyclictest516-21rs:main3
3074999992920,8cyclictest3157234-21apt-get20:30:120
307500999287,2cyclictest0-21swapper/320:15:013
3075009992716,10cyclictest0-21swapper/321:34:593
3075009992617,7cyclictest3110824-21idleruntime-cro19:45:013
3075009992614,2cyclictest0-21swapper/300:40:003
3075009992614,2cyclictest0-21swapper/300:40:003
307500999261,23cyclictest0-21swapper/300:20:133
307500599261,21cyclictest3388349-21apt-get00:15:112
307500599261,21cyclictest3218619-21apt-get21:30:132
307500199261,21cyclictest0-21swapper/122:20:121
3075009992516,7cyclictest0-21swapper/322:05:123
3075009992516,7cyclictest0-21swapper/322:05:123
307500999251,21cyclictest3234294-21apt-get21:45:113
307500599252,2cyclictest3259612-21apt-get22:10:122
307500599252,21cyclictest3213549-21apt-get21:25:132
307500599251,4cyclictest3136659-21cron20:10:002
307500599251,21cyclictest3383238-21apt-get00:10:132
307500599250,5cyclictest3398746-21unin-run00:25:002
307500599250,5cyclictest3347139-21taskset23:35:102
307500599250,5cyclictest3230153-21sort21:40:162
307500199252,2cyclictest3121237-21apt-get19:55:131
3075001992520,3cyclictest3085349-21apt-get19:20:101
307500199251,3cyclictest3331893-21apt-get23:20:121
307500199251,20cyclictest3142006-21apt-get20:15:121
307500199251,20cyclictest0-21swapper/121:25:131
307499999252,21cyclictest3162309-21apt-get20:35:120
307499999250,5cyclictest3777322-21systemd-journal22:25:000
3075009992417,6cyclictest0-21swapper/321:55:133
307500999241,3cyclictest3362862-21apt-get23:50:123
307500999241,20cyclictest3147075-21apt-get20:20:113
307500999241,20cyclictest0-21swapper/322:20:133
307500999241,20cyclictest0-21swapper/321:15:113
307500999240,21cyclictest3331217-21munin-run23:20:013
307500999240,1cyclictest0-21swapper/322:42:053
307500999240,1cyclictest0-21swapper/321:00:133
3075005992419,3cyclictest3244154-21cron21:54:592
3075005992419,3cyclictest3111096-21apt-get19:45:122
307500599241,3cyclictest3208476-21apt-get21:20:112
307500599241,2cyclictest3147075-21apt-get20:20:112
307500599241,21cyclictest3146801-21cron20:20:002
307500599240,21cyclictest0-21swapper/219:10:122
307500599240,20cyclictest3224074-21apt-get21:35:012
307500599240,20cyclictest0-21swapper/219:30:092
3075001992419,3cyclictest3126328-21apt-get20:00:111
3075001992419,3cyclictest0-21swapper/122:49:591
307500199241,2cyclictest3090422-21apt-get19:25:131
307500199241,21cyclictest3248859-21taskset21:55:511
307500199241,21cyclictest3229201-21apt-get21:40:121
307500199241,21cyclictest3152143-21apt-get20:25:101
307500199241,20cyclictest0-21swapper/100:30:111
307500199240,23cyclictest3147556-21irqcore20:20:151
307500199240,20cyclictest0-21swapper/123:50:111
307499999241,21cyclictest3295561-21apt-get22:45:110
307499999240,23cyclictest3280419-21irqcore22:30:150
3075009992319,2cyclictest3383238-21apt-get00:10:133
3075009992319,2cyclictest0-21swapper/320:15:183
3075009992318,4cyclictest0-21swapper/323:40:003
307500999231,20cyclictest0-21swapper/323:00:113
307500999231,19cyclictest0-21swapper/323:25:053
307500999230,21cyclictest3265175-21grep22:15:163
307500999230,20cyclictest3399468-21ps00:25:173
307500999230,20cyclictest3331857-21apt-get23:20:033
307500999230,20cyclictest0-21swapper/321:35:123
307500999230,19cyclictest0-21swapper/323:30:133
307500599231,2cyclictest0-21swapper/220:25:102
307500599231,20cyclictest0-21swapper/223:20:122
307500599231,20cyclictest0-21swapper/222:00:122
307500599231,19cyclictest0-21swapper/221:00:132
307500599230,4cyclictest3157722-21grep20:30:152
307500599230,22cyclictest3290998-21sort22:40:182
307500599230,20cyclictest30904252chrt19:25:132
307500599230,20cyclictest0-21swapper/223:30:122
307500599230,20cyclictest0-21swapper/220:40:112
307500599230,20cyclictest0-21swapper/220:00:112
307500199231,2cyclictest3075212-21apt-get19:10:121
307500199231,21cyclictest3331253-21munin-run23:20:011
307500199230,2cyclictest3393894-21apt-get00:20:131
307500199230,21cyclictest0-21swapper/119:30:121
3074999992320,2cyclictest3100579-21apt-get19:35:120
307499999231,2cyclictest3373078-21apt-get00:00:130
307499999231,2cyclictest3300676-21apt-get22:50:130
307499999231,2cyclictest3249477-21apt-get22:00:120
307499999231,2cyclictest3203382-21apt-get21:15:120
307499999231,2cyclictest3198289-21apt-get21:10:130
307499999231,21cyclictest3310811-21apt-get23:00:110
3075009992219,1cyclictest0-21swapper/319:50:123
3075009992218,3cyclictest3254269-21cron22:04:593
307500999221,2cyclictest3352231-21apt-get23:40:133
307500999220,19cyclictest3197921-21apt-key21:10:013
307500999220,19cyclictest0-21swapper/320:55:063
307500999220,19cyclictest0-21swapper/319:55:133
307500999220,19cyclictest0-21swapper/300:20:003
3075005992219,2cyclictest0-21swapper/223:15:112
3075005992219,2cyclictest0-21swapper/200:05:132
3075005992218,2cyclictest3207312-21ntpq21:15:192
3075005992217,3cyclictest3282142-21sort22:30:182
307500599221,2cyclictest0-21swapper/222:50:122
307500599220,20cyclictest0-21swapper/221:45:122
307500599220,19cyclictest0-21swapper/223:40:122
307500599220,19cyclictest0-21swapper/221:55:132
307500599220,19cyclictest0-21swapper/219:35:112
3075001992219,2cyclictest3398984-21apt-get00:25:131
3075001992219,2cyclictest3280425-21ps22:30:151
3075001992219,2cyclictest0-21swapper/119:15:121
3075001992218,2cyclictest3295002-21dpkg22:45:011
3075001992218,2cyclictest3187704-21apt-get21:00:151
3075001992216,4cyclictest3106025-21apt-get19:40:111
307500199220,20cyclictest3284973-21apt-get22:35:101
307500199220,19cyclictest0-21swapper/120:30:111
307500199220,19cyclictest0-21swapper/119:45:111
3074999992220,1cyclictest3264687-21apt-get22:15:110
3074999992219,2cyclictest3223408-21cron21:35:000
307499999221,2cyclictest3368001-21apt-get23:55:120
307499999221,2cyclictest3142006-21apt-get20:15:140
307499999221,2cyclictest3136936-21apt-get20:10:120
307499999220,2cyclictest0-21swapper/019:40:110
307499999220,21cyclictest0-21swapper/019:45:120
307499999220,20cyclictest3182334-21cron20:55:000
3075009992119,1cyclictest0-21swapper/321:50:133
3075009992119,1cyclictest0-21swapper/321:10:223
3075009992119,1cyclictest0-21swapper/300:30:133
3075009992119,1cyclictest0-21swapper/300:00:133
3075009992118,2cyclictest0-21swapper/322:25:123
3075009992117,2cyclictest3321049-21cron23:10:013
3075009992117,2cyclictest0-21swapper/300:05:133
3075009992116,4cyclictest3105483-21latency_hist19:40:013
307500999211,1cyclictest0-21swapper/320:35:133
307500999210,2cyclictest0-21swapper/320:00:113
307500999210,20cyclictest0-21swapper/322:50:123
3075005992118,2cyclictest0-21swapper/223:55:132
3075005992118,2cyclictest0-21swapper/223:25:112
3075005992118,1cyclictest0-21swapper/223:50:112
3075005992118,1cyclictest0-21swapper/219:55:132
3075005992117,2cyclictest0-21swapper/223:05:002
3075005992116,3cyclictest3172452-21taskset20:45:102
307500599211,1cyclictest0-21swapper/220:50:122
307500599211,1cyclictest0-21swapper/200:33:542
307500599210,20cyclictest64-21kcompactd021:09:362
307500599210,20cyclictest64-21kcompactd019:15:382
307500599210,20cyclictest0-21swapper/219:41:592
307500599210,1cyclictest0-21swapper/220:55:132
307500599210,1cyclictest0-21swapper/220:35:122
307500599210,19cyclictest0-21swapper/222:15:112
3075001992119,1cyclictest0-21swapper/123:49:491
3075001992119,1cyclictest0-21swapper/123:35:001
3075001992118,2cyclictest0-21swapper/123:35:101
3075001992118,1cyclictest0-21swapper/120:35:121
3075001992116,3cyclictest3777322-21systemd-journal21:20:001
307500199211,1cyclictest0-21swapper/121:50:121
307500199211,19cyclictest0-21swapper/121:10:411
307500199210,2cyclictest0-21swapper/121:05:111
307500199210,20cyclictest3258507-21/usr/sbin/munin22:05:221
307500199210,20cyclictest3258507-21/usr/sbin/munin22:05:211
307500199210,20cyclictest0-21swapper/123:00:101
307500199210,1cyclictest0-21swapper/123:25:111
3074999992119,1cyclictest3244432-21apt-get21:55:130
3074999992119,1cyclictest0-21swapper/021:40:110
3074999992119,1cyclictest0-21swapper/020:40:110
3074999992119,1cyclictest0-21swapper/020:20:110
3074999992119,1cyclictest0-21swapper/019:15:120
3074999992118,2cyclictest702-21runrttasks19:10:120
3074999992118,2cyclictest64-21kcompactd021:27:540
3074999992118,2cyclictest3332376-21ps23:20:160
3074999992118,2cyclictest3331351-21sed23:20:010
3074999992118,2cyclictest3263594-21ntpq22:10:220
3074999992117,2cyclictest3342071-21apt-get23:30:130
307499999211,1cyclictest0-21swapper/023:35:100
307499999211,1cyclictest0-21swapper/021:05:180
307499999211,1cyclictest0-21swapper/020:09:230
307499999211,1cyclictest0-21swapper/000:15:110
307499999210,2cyclictest0-21swapper/019:55:130
307499999210,20cyclictest0-21swapper/020:00:110
307499999210,20cyclictest0-21swapper/000:35:140
307499999210,20cyclictest0-21swapper/000:35:140
307499999210,20cyclictest0-21swapper/000:20:130
307499999210,20cyclictest0-21swapper/000:05:130
307499999210,19cyclictest0-21swapper/000:10:130
3075009992018,1cyclictest0-21swapper/322:45:123
3075009992017,2cyclictest0-21swapper/320:30:123
307500999200,1cyclictest0-21swapper/323:55:123
307500999200,1cyclictest0-21swapper/322:55:133
307500999200,1cyclictest0-21swapper/322:10:113
307500999200,1cyclictest0-21swapper/320:40:113
307500999200,1cyclictest0-21swapper/320:25:103
307500999200,1cyclictest0-21swapper/319:25:193
307500999200,1cyclictest0-21swapper/319:15:113
3075005992017,2cyclictest3200526-21kthreadcore21:10:182
3075005992016,3cyclictest0-21swapper/223:45:012
3075005992016,3cyclictest0-21swapper/223:00:002
3075005992016,2cyclictest0-21swapper/200:25:132
307500599200,1cyclictest64-21kcompactd022:22:112
307500599200,1cyclictest0-21swapper/200:00:172
3075001992018,1cyclictest0-21swapper/123:40:131
3075001992017,2cyclictest1-21systemd21:24:591
3075001992017,2cyclictest0-21swapper/123:59:291
3075001992017,1cyclictest0-21swapper/122:15:111
3075001992016,2cyclictest3321323-21apt-get23:10:121
3075001992016,2cyclictest3116163-21apt-get19:50:111
3075001992016,2cyclictest0-21swapper/100:35:141
3075001992016,2cyclictest0-21swapper/100:35:141
3075001992015,3cyclictest3172449-21apt-get20:45:111
307500199200,1cyclictest0-21swapper/122:57:081
307500199200,1cyclictest0-21swapper/119:35:111
307500199200,1cyclictest0-21swapper/100:10:001
307500199200,1cyclictest0-21swapper/100:00:221
307500199200,19cyclictest64-21kcompactd021:35:241
3074999992018,1cyclictest0-21swapper/023:54:000
3074999992018,1cyclictest0-21swapper/023:43:540
3074999992018,1cyclictest0-21swapper/023:14:520
3074999992017,2cyclictest3408860-21cron00:35:000
307499999200,1cyclictest0-21swapper/021:35:100
307499999200,1cyclictest0-21swapper/019:50:110
307499999200,19cyclictest0-21swapper/023:45:120
307499999200,19cyclictest0-21swapper/023:26:420
307499999200,19cyclictest0-21swapper/021:20:110
307499999200,19cyclictest0-21swapper/020:45:120
3075009991917,1cyclictest0-21swapper/323:10:113
3075009991917,1cyclictest0-21swapper/321:20:123
307500999190,19cyclictest0-21swapper/320:52:573
3075005991914,4cyclictest3300398-21cron22:49:592
3075005991914,3cyclictest3254610-21cpuspeed_turbos22:05:132
3075005991914,3cyclictest3254610-21cpuspeed_turbos22:05:132
307500599190,1cyclictest0-21swapper/220:10:122
3075001991917,1cyclictest3274860-21apt-get22:25:111
3075001991917,1cyclictest0-21swapper/121:47:471
3075001991917,1cyclictest0-21swapper/120:10:291
307500199190,18cyclictest0-21swapper/120:50:171
3074999991917,1cyclictest0-21swapper/021:50:000
3074999991916,2cyclictest3294894-21http22:45:010
3074999991913,4cyclictest3152625-21ps20:25:150
3075009991816,1cyclictest3115912-21idleruntime-cro19:50:003
3075009991816,1cyclictest0-21swapper/320:05:113
3075009991816,1cyclictest0-21swapper/319:20:113
3075005991815,2cyclictest3278954-21runrttasks22:25:232
3075001991816,1cyclictest0-21swapper/120:56:111
3075001991813,3cyclictest0-21swapper/120:40:151
3074999991816,1cyclictest0-21swapper/023:05:120
3074999991816,1cyclictest0-21swapper/022:05:120
3074999991816,1cyclictest0-21swapper/022:05:110
3074999991816,1cyclictest0-21swapper/019:25:140
307499999180,18cyclictest0-21swapper/022:38:510
3075009991715,1cyclictest64-21kcompactd023:47:403
3075009991714,2cyclictest3074993-21cyclictest21:25:133
3075005991715,1cyclictest0-21swapper/222:35:102
3075005991714,2cyclictest3320086-21needreboot23:05:192
3075001991713,2cyclictest0-21swapper/100:20:001
3074999991716,1cyclictest0-21swapper/022:26:290
3074999991715,1cyclictest0-21swapper/021:54:130
3074999991715,1cyclictest0-21swapper/019:30:210
3075005991613,2cyclictest3413698-21pool-/usr/bin/f00:36:542
3075005991613,2cyclictest3413698-21pool-/usr/bin/f00:36:542
3075001991612,3cyclictest3305467-21cut22:55:011
3074999991612,3cyclictest3187008-21unixbench_singl20:55:260
3075009991514,0cyclictest0-21swapper/320:47:333
3075009991513,1cyclictest0-21swapper/321:40:153
3075009991512,2cyclictest3079021-21needreboot19:10:193
3075005991511,2cyclictest0-21swapper/223:10:122
3075001991513,1cyclictest0-21swapper/121:30:141
3074999991512,2cyclictest61650irq/133-enp0s29f1:rx-000:25:150
307500999148,4cyclictest3777322-21systemd-journal22:40:003
307500599147,5cyclictest3120960-21cron19:55:002
3075001991413,1cyclictest0-21swapper/122:04:271
3075001991412,1cyclictest0-21swapper/120:05:101
3075001991411,2cyclictest0-21swapper/123:05:011
307499999148,2cyclictest61650irq/133-enp0s29f1:rx-019:20:100
3074999991411,2cyclictest62450irq/134-enp0s29f1:tx-022:55:120
3074999991411,2cyclictest3191515-21needreboot21:00:220
307500199139,2cyclictest0-21swapper/100:10:171
307500599120,9cyclictest3075118-21cat19:10:002
307500199127,3cyclictest3263577-21ntpq22:10:221
307500999104,4cyclictest3075015-21cat19:10:013
30749999990,8cyclictest0-21swapper/019:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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