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2026-08-26 - 23:48
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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 Wed Aug 26, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3152631993210,3cyclictest0-21swapper/209:15:002
315263199282,21cyclictest3459201-21apt-get12:10:122
315263199262,20cyclictest3413504-21apt-get11:25:112
315263199262,20cyclictest3413504-21apt-get11:25:112
315263199261,21cyclictest3464693-21apt-get12:15:112
315262399263,21cyclictest211rcuc/007:20:110
315263399254,1cyclictest3331665-21cron10:05:013
3152631992520,3cyclictest3367502-21apt-get10:40:102
3152627992521,2cyclictest3403366-21apt-get11:15:111
315262399252,3cyclictest3438897-21apt-get11:50:130
3152623992518,5cyclictest3403857-21cut11:15:150
3152633992420,2cyclictest3193903-21apt-get07:50:123
3152631992418,4cyclictest3352762-21sort10:25:162
315263199241,3cyclictest3458922-21cron12:10:002
315263199241,20cyclictest0-21swapper/210:10:112
315263199241,20cyclictest0-21swapper/208:00:122
315262799242,2cyclictest3173137-21apt-get07:30:131
3152627992419,3cyclictest3357338-21apt-get10:30:121
315262799241,3cyclictest3428758-21apt-get11:40:121
315262799241,2cyclictest3204057-21apt-get08:00:121
3152623992421,2cyclictest3275744-21tr09:10:150
3152623992419,3cyclictest3469768-21apt-get12:20:140
3152623992419,3cyclictest3321738-21apt-get09:55:120
3152623992419,3cyclictest0-21swapper/008:40:000
315262399241,2cyclictest3352272-21apt-get10:25:130
315263399232,20cyclictest3188814-21apt-get07:45:133
315263399231,20cyclictest3300994-21apt-get09:35:133
315263399230,22cyclictest3444894-21sed11:55:173
315263399230,21cyclictest3260527-21grep08:55:173
315263399230,20cyclictest64-21kcompactd008:25:083
315263399230,20cyclictest0-21swapper/310:40:093
315263399230,19cyclictest0-21swapper/312:30:113
3152631992320,2cyclictest3331946-21apt-get10:05:132
3152631992319,2cyclictest3309950-21ntpq09:40:192
3152631992319,2cyclictest3198998-21apt-get07:55:112
3152631992319,2cyclictest1-21systemd10:45:012
315263199231,2cyclictest509-21systemd-logind11:25:002
315263199231,2cyclictest3315953-21https09:50:012
315263199231,19cyclictest0-21swapper/210:35:132
315263199230,3cyclictest3487181-21sed12:35:182
315263199230,20cyclictest0-21swapper/211:40:132
315263199230,19cyclictest0-21swapper/209:20:122
3152627992320,1cyclictest3244735-21apt-get08:40:111
315262799231,2cyclictest3362409-21apt-get10:35:131
315262799231,2cyclictest3152839-21apt-get07:10:111
315262799230,20cyclictest301rcuc/109:15:001
315262799230,20cyclictest0-21swapper/107:55:111
315262799230,19cyclictest0-21swapper/110:40:091
3152623992319,2cyclictest0-21swapper/007:10:120
3152623992318,3cyclictest3393252-21apt-get11:05:120
315262399231,2cyclictest3423667-21apt-get11:35:120
315262399231,2cyclictest3295919-21apt-get09:30:100
315262399231,2cyclictest0-21swapper/012:10:120
315262399231,21cyclictest3224439-21apt-get08:20:130
315262399231,21cyclictest0-21swapper/010:15:100
315262399231,20cyclictest3326832-21apt-get10:00:110
315262399230,3cyclictest3448732-21cron11:59:590
3152633992218,2cyclictest3454087-21apt-get12:05:123
3152633992217,3cyclictest3316624-21apt-get09:50:123
315263399221,2cyclictest3342084-21apt-get10:15:113
315263399221,2cyclictest3224439-21apt-get08:20:113
315263399221,20cyclictest3218161-21ntpq08:10:213
315263399221,20cyclictest3209148-21apt-get08:05:123
315263399220,21cyclictest3408951-21irqcore11:20:173
315263399220,20cyclictest0-21swapper/307:30:133
315263399220,20cyclictest0-21swapper/307:15:133
3152631992219,2cyclictest64-21kcompactd009:06:002
3152631992219,2cyclictest0-21swapper/211:55:112
3152631992219,2cyclictest0-21swapper/210:50:132
3152631992219,2cyclictest0-21swapper/207:35:112
3152631992219,2cyclictest0-21swapper/207:20:112
3152631992218,2cyclictest3294808-21ntpq09:25:222
3152631992217,3cyclictest3168067-21apt-get07:25:112
315263199221,20cyclictest0-21swapper/208:53:372
315263199221,1cyclictest0-21swapper/212:31:542
315263199220,3cyclictest3189309-21ps07:45:172
315263199220,2cyclictest3300716-21ls09:35:012
315263199220,2cyclictest0-21swapper/212:25:112
315263199220,21cyclictest64-21kcompactd011:54:162
3152627992219,2cyclictest3239691-21apt-get08:35:141
3152627992216,4cyclictest3449494-21irqcore12:00:151
315262799221,20cyclictest0-21swapper/110:55:121
315262799220,20cyclictest0-21swapper/111:25:111
315262799220,20cyclictest0-21swapper/111:25:101
315262799220,19cyclictest3443943-21apt-get11:55:111
315262799220,19cyclictest0-21swapper/112:05:111
315262399223,1cyclictest0-21swapper/012:05:120
3152623992220,1cyclictest0-21swapper/012:35:120
3152623992218,2cyclictest3372960-21apt-get10:45:010
3152623992218,2cyclictest3208880-21idleruntime-cro08:04:590
3152623992218,2cyclictest3177942-21sh07:35:000
315262399221,20cyclictest3183722-21apt-get07:40:120
315262399221,20cyclictest211rcuc/007:59:590
315262399221,20cyclictest0-21swapper/012:30:110
315262399221,20cyclictest0-21swapper/009:50:120
315262399220,2cyclictest3382861-21ls10:55:000
315262399220,2cyclictest211rcuc/008:30:000
315262399220,2cyclictest0-21swapper/010:10:120
315262399220,20cyclictest0-21swapper/007:50:130
3152633992119,1cyclictest0-21swapper/312:25:133
3152633992119,1cyclictest0-21swapper/309:10:153
315263399211,1cyclictest0-21swapper/307:40:003
315263399210,2cyclictest3464339-21latency_hist12:15:013
315263399210,20cyclictest1-21systemd07:59:593
315263399210,20cyclictest0-21swapper/311:15:123
315263399210,20cyclictest0-21swapper/309:30:113
315263399210,20cyclictest0-21swapper/309:15:123
315263399210,1cyclictest64-21kcompactd011:34:223
315263399210,1cyclictest3398319-21apt-get11:10:113
315263399210,1cyclictest0-21swapper/312:15:123
315263399210,1cyclictest0-21swapper/308:50:123
3152631992119,1cyclictest0-21swapper/210:55:112
3152631992119,1cyclictest0-21swapper/207:50:112
3152631992119,1cyclictest0-21swapper/207:40:132
3152631992117,2cyclictest0-21swapper/210:15:112
315263199211,19cyclictest0-21swapper/212:20:242
315263199210,2cyclictest0-21swapper/208:25:112
315263199210,20cyclictest0-21swapper/208:20:202
315263199210,1cyclictest0-21swapper/210:30:122
3152627992119,1cyclictest3219805-21ps08:15:171
3152627992119,1cyclictest0-21swapper/111:50:141
3152627992119,1cyclictest0-21swapper/111:49:251
3152627992119,1cyclictest0-21swapper/109:55:121
3152627992119,1cyclictest0-21swapper/109:50:121
3152627992118,2cyclictest3473676-21ntpq12:20:231
315262799210,20cyclictest3183681-21apt-get07:40:021
315262799210,1cyclictest3489736-21cron12:40:011
315262799210,1cyclictest0-21swapper/107:45:131
315262799210,19cyclictest0-21swapper/110:15:101
315262799210,19cyclictest0-21swapper/109:00:121
315262799210,18cyclictest0-21swapper/107:25:101
3152623992119,1cyclictest0-21swapper/009:05:120
3152623992119,1cyclictest0-21swapper/008:40:110
3152623992118,2cyclictest0-21swapper/011:45:130
3152623992118,2cyclictest0-21swapper/009:40:120
3152623992118,2cyclictest0-21swapper/009:23:440
3152623992118,2cyclictest0-21swapper/008:09:330
3152623992117,2cyclictest3265127-21apt-get09:00:110
3152623992115,5cyclictest3193625-21cron07:49:590
3152623992113,1cyclictest191rcu_preempt09:35:190
315262399210,2cyclictest3311627-21ps09:45:160
315262399210,20cyclictest3183360-21wc07:40:010
315262399210,20cyclictest0-21swapper/012:28:400
315262399210,20cyclictest0-21swapper/010:35:130
315262399210,20cyclictest0-21swapper/008:45:110
3152633992018,1cyclictest3316211-21latency_hist09:50:013
3152633992018,1cyclictest0-21swapper/310:47:043
3152633992018,1cyclictest0-21swapper/308:35:133
3152633992017,2cyclictest3221568-21sed08:15:183
3152633992017,1cyclictest0-21swapper/307:25:113
315263399200,1cyclictest3378567-21ps10:50:173
315263399200,1cyclictest0-21swapper/311:25:113
315263399200,1cyclictest0-21swapper/311:25:103
315263399200,1cyclictest0-21swapper/308:40:153
315263399200,1cyclictest0-21swapper/308:30:123
315263399200,19cyclictest3208481-21taskset08:00:253
315263399200,19cyclictest0-21swapper/309:24:483
3152631992018,1cyclictest0-21swapper/211:30:102
3152631992018,1cyclictest0-21swapper/208:45:122
3152631992017,2cyclictest0-21swapper/211:15:122
3152631992017,2cyclictest0-21swapper/207:30:192
3152631992016,3cyclictest3398810-21irqcore11:10:152
3152631992015,3cyclictest3438615-21cron11:50:002
315263199200,1cyclictest3153323-21ps07:10:162
315263199200,1cyclictest0-21swapper/212:00:112
3152627992019,1cyclictest0-21swapper/112:12:311
3152627992018,1cyclictest64-21kcompactd008:55:141
3152627992018,1cyclictest0-21swapper/112:32:581
3152627992016,3cyclictest3209151-21taskset08:05:111
315262799200,2cyclictest3270656-21ps09:05:161
315262799200,2cyclictest0-21swapper/108:46:071
315262799200,1cyclictest0-21swapper/112:15:111
315262799200,1cyclictest0-21swapper/111:05:131
315262799200,1cyclictest0-21swapper/109:35:131
315262799200,1cyclictest0-21swapper/109:15:121
315262799200,18cyclictest3290831-21apt-get09:25:111
3152623992017,2cyclictest64-21kcompactd011:04:470
3152623992017,2cyclictest211rcuc/010:08:220
3152623992017,2cyclictest0-21swapper/011:40:120
3152623992017,2cyclictest0-21swapper/011:25:110
3152623992017,2cyclictest0-21swapper/011:25:100
3152623992017,2cyclictest0-21swapper/008:30:110
3152623992016,2cyclictest3423383-21cron11:35:000
315262399200,1cyclictest0-21swapper/010:30:110
315262399200,19cyclictest0-21swapper/011:20:210
315262399200,19cyclictest0-21swapper/010:45:000
315262399200,19cyclictest0-21swapper/008:15:120
3152633991918,1cyclictest64-21kcompactd010:57:163
3152633991918,1cyclictest0-21swapper/309:55:593
3152633991917,1cyclictest64-21kcompactd009:42:003
3152633991917,1cyclictest0-21swapper/310:20:123
3152633991917,1cyclictest0-21swapper/309:07:043
3152633991916,2cyclictest3433805-21apt-get11:45:133
3152633991916,2cyclictest32912182chrt09:25:153
315263399190,1cyclictest0-21swapper/307:43:443
3152631991917,1cyclictest0-21swapper/211:37:042
3152631991917,1cyclictest0-21swapper/209:15:132
3152631991916,2cyclictest0-21swapper/211:00:132
315263199190,1cyclictest0-21swapper/210:00:182
3152627991917,1cyclictest0-21swapper/110:20:121
3152627991917,1cyclictest0-21swapper/109:45:121
3152627991917,1cyclictest0-21swapper/109:30:111
3152627991917,1cyclictest0-21swapper/107:50:121
3152627991917,1cyclictest0-21swapper/107:35:111
3152627991916,2cyclictest3392981-21latency_hist11:04:591
315262799190,1cyclictest0-21swapper/110:10:111
315262799190,1cyclictest0-21swapper/108:20:121
315262799190,19cyclictest64-21kcompactd010:07:491
315262799190,19cyclictest0-21swapper/110:53:311
3152623991918,0cyclictest0-21swapper/008:11:410
3152623991917,1cyclictest0-21swapper/011:00:000
3152623991916,2cyclictest3280713-21apt-get09:15:110
3152623991916,2cyclictest3157929-21apt-get07:15:120
3152623991916,2cyclictest0-21swapper/009:30:000
3152623991913,1cyclictest191rcu_preempt11:10:220
315262399190,18cyclictest0-21swapper/008:55:130
3152633991817,1cyclictest64-21kcompactd007:12:013
3152633991816,1cyclictest0-21swapper/311:35:263
3152633991815,2cyclictest3254630-21cron08:50:013
3152633991815,1cyclictest0-21swapper/310:05:133
3152631991816,1cyclictest0-21swapper/208:15:132
3152631991816,1cyclictest0-21swapper/208:10:372
3152631991815,2cyclictest3322237-21irqcore09:55:162
3152631991814,2cyclictest3777322-21systemd-journal08:35:002
315263199180,16cyclictest0-21swapper/208:55:132
3152627991816,1cyclictest0-21swapper/107:15:131
3152627991815,2cyclictest3424170-21irqcore11:35:171
3152627991815,2cyclictest3331664-21cron10:05:001
3152623991814,3cyclictest3351541-21unixbench_multi10:20:250
3152623991811,2cyclictest191rcu_preempt12:00:160
3152633991715,1cyclictest0-21swapper/311:05:133
3152633991715,1cyclictest0-21swapper/310:12:063
3152633991715,1cyclictest0-21swapper/309:03:193
3152631991715,1cyclictest0-21swapper/211:05:132
3152631991714,2cyclictest3321457-21cron09:55:012
3152631991713,3cyclictest0-21swapper/210:25:002
3152631991712,2cyclictest3269916-21munin-run09:05:012
3152627991715,1cyclictest0-21swapper/110:25:121
3152627991715,1cyclictest0-21swapper/108:30:121
3152627991714,2cyclictest3166895-21ntpq07:20:201
3152623991713,3cyclictest3469482-21cron12:20:000
3152623991713,1cyclictest191rcu_preempt08:50:160
3152633991615,1cyclictest64-21kcompactd010:34:423
3152633991614,1cyclictest3353538-21kthreadcore10:25:173
3152633991614,1cyclictest0-21swapper/312:35:203
3152633991614,1cyclictest0-21swapper/311:50:123
3152627991614,1cyclictest0-21swapper/111:10:121
3152627991613,1cyclictest0-21swapper/108:25:111
3152627991612,3cyclictest0-21swapper/109:45:001
3152633991513,1cyclictest0-21swapper/312:20:143
3152633991511,3cyclictest3429017-21fschecks_time11:40:153
3152631991513,1cyclictest0-21swapper/208:35:132
3152627991514,1cyclictest0-21swapper/111:20:121
3152627991513,1cyclictest0-21swapper/112:25:091
3152623991512,2cyclictest0-21swapper/007:25:110
3152633991412,1cyclictest0-21swapper/307:20:113
315263399139,2cyclictest0-21swapper/307:10:003
315263199130,1cyclictest0-21swapper/209:40:012
3152627991312,1cyclictest0-21swapper/110:50:001
3152627991311,1cyclictest0-21swapper/111:34:221
3152627991311,1cyclictest0-21swapper/108:50:131
315263399129,1cyclictest0-21swapper/310:35:163
315263399128,2cyclictest0-21swapper/311:00:193
315263399120,2cyclictest0-21swapper/312:00:243
315263199128,3cyclictest3209214-21cpuspeed_turbos08:05:122
3152627991211,1cyclictest0-21swapper/108:10:211
315263199110,3cyclictest3152540-21latency_hist07:10:002
315262799118,2cyclictest311ktimers/109:20:251
315262799110,9cyclictest3152540-21latency_hist07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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