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2026-09-18 - 10:47
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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 Fri Sep 18, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2949715992624,1cyclictest0-21swapper/222:25:112
294971299261,22cyclictest3255826-21apt-get00:10:161
294971299261,22cyclictest3255826-21apt-get00:10:151
294970899260,25cyclictest0-21swapper/000:11:530
294970899260,25cyclictest0-21swapper/000:11:520
294971299252,3cyclictest3260871-21apt-get00:15:121
294971299251,4cyclictest3052433-21irqcore20:50:161
294971299251,22cyclictest3087469-21apt-get21:25:111
294971299251,21cyclictest3189833-21apt-get23:05:111
2949708992518,5cyclictest3005495-21cut20:05:000
294970899251,22cyclictest3138090-21apt-get22:15:130
2949717992419,3cyclictest3106563-21taskset21:40:213
294971799241,20cyclictest3021049-21apt-get20:20:113
294971799241,20cyclictest2970222-21apt-get19:30:113
294971799240,22cyclictest3871586-21snmpd22:35:243
294971799240,20cyclictest64-21kcompactd020:55:073
294971599240,20cyclictest0-21swapper/222:30:162
2949712992421,2cyclictest3031219-21apt-get20:30:121
2949712992420,2cyclictest3062067-21apt-get21:00:111
2949712992419,3cyclictest3163945-21apt-get22:40:141
2949712992418,5cyclictest3082862-21irqcore21:20:161
294971299241,3cyclictest3230406-21apt-get23:45:121
294971299241,2cyclictest3158893-21apt-get22:35:141
294971299241,21cyclictest3225830-21cut23:40:171
294971299241,21cyclictest3102688-21apt-get21:40:131
294971299241,21cyclictest3050769-21ntpq20:45:211
294971299241,21cyclictest0-21swapper/123:20:481
294971299241,20cyclictest3271016-21apt-get00:25:131
2949708992419,3cyclictest3210105-21taskset23:25:120
294970899241,3cyclictest3777322-21systemd-journal20:45:000
294970899241,3cyclictest2949926-21apt-get19:10:100
294970899241,21cyclictest3184766-21apt-get23:00:130
294970899241,21cyclictest3148300-21apt-get22:25:100
294970899241,21cyclictest3107734-21apt-get21:45:110
294970899241,21cyclictest3046879-21apt-get20:45:120
294970899241,21cyclictest3011345-21irqcore20:10:160
294971799231,3cyclictest3172952-21ntpq22:45:213
294971799231,20cyclictest3210101-21apt-get23:25:123
294971799231,20cyclictest3205031-21apt-get23:20:123
294971799230,22cyclictest2950874-21ps19:10:153
294971799230,20cyclictest0-21swapper/323:55:133
2949715992319,2cyclictest3220264-21apt-get23:35:102
2949715992318,4cyclictest3072763-21cut21:10:172
2949715992318,2cyclictest3169015-21apt-get22:45:132
294971599230,21cyclictest2975052-21cat19:35:012
2949712992320,2cyclictest3041786-21apt-get20:40:131
2949712992319,2cyclictest3250742-21apt-get00:05:131
2949712992319,2cyclictest0-21swapper/121:05:121
294971299231,2cyclictest3097612-21apt-get21:35:121
294971299231,2cyclictest3097612-21apt-get21:35:121
294971299231,2cyclictest0-21swapper/122:10:111
294971299231,20cyclictest3036021-21apt-get20:35:021
2949708992320,2cyclictest2975271-21apt-get19:35:120
294970899231,2cyclictest2965166-21apt-get19:25:130
294970899231,2cyclictest0-21swapper/000:20:130
294970899231,21cyclictest3225336-21apt-get23:40:120
294970899230,21cyclictest3127697-21awk22:05:000
294970899230,21cyclictest0-21swapper/019:15:130
294970899230,20cyclictest0-21swapper/023:20:120
2949717992219,2cyclictest481rcuc/319:55:013
2949717992219,2cyclictest3225829-21sort23:40:183
294971799221,2cyclictest3138575-21ps22:15:163
294971799221,20cyclictest3215195-21apt-get23:30:133
294971799221,1cyclictest3276169-21apt-get00:30:113
294971799220,4cyclictest3148785-21ps22:25:143
294971799220,20cyclictest3871586-21snmpd21:45:143
294971799220,1cyclictest0-21swapper/323:45:113
294971799220,19cyclictest0-21swapper/323:05:113
294971799220,19cyclictest0-21swapper/300:15:123
294971599221,20cyclictest64-21kcompactd020:41:402
294971599221,19cyclictest0-21swapper/219:40:112
294971599220,21cyclictest3192046-21sed23:05:172
294971599220,20cyclictest0-21swapper/220:30:122
294971599220,19cyclictest0-21swapper/223:45:122
294971599220,19cyclictest0-21swapper/223:00:132
294971599220,19cyclictest0-21swapper/222:20:122
294971599220,19cyclictest0-21swapper/221:40:132
294971599220,19cyclictest0-21swapper/220:25:122
294971599220,19cyclictest0-21swapper/200:35:122
2949712992219,2cyclictest3210603-21irqcore23:25:161
2949712992219,2cyclictest3174556-21apt-get22:50:131
2949712992219,2cyclictest0-21swapper/123:35:101
2949712992219,2cyclictest0-21swapper/121:55:131
2949712992219,2cyclictest0-21swapper/119:26:241
2949712992218,2cyclictest3128455-21ps22:05:161
2949712992218,2cyclictest0-21swapper/121:45:121
2949712992218,2cyclictest0-21swapper/100:20:131
2949712992217,3cyclictest3005745-21apt-get20:05:131
294971299221,20cyclictest3015978-21apt-get20:15:131
294971299221,20cyclictest0-21swapper/123:30:121
294971299221,20cyclictest0-21swapper/122:30:151
294971299221,20cyclictest0-21swapper/120:10:121
294971299221,20cyclictest0-21swapper/119:55:121
294971299220,2cyclictest3142060-21ntpq22:15:221
294971299220,2cyclictest0-21swapper/123:15:111
294971299220,21cyclictest0-21swapper/119:45:121
294971299220,20cyclictest64-21kcompactd020:57:161
294971299220,20cyclictest0-21swapper/122:30:011
294971299220,20cyclictest0-21swapper/119:10:101
2949708992219,2cyclictest3102412-21cron21:40:000
2949708992219,2cyclictest3102412-21cron21:40:000
2949708992219,2cyclictest0-21swapper/021:55:130
2949708992217,4cyclictest3092293-21awk21:30:000
2949708992217,3cyclictest2985435-21apt-get19:45:110
294970899221,2cyclictest2990528-21apt-get19:50:120
294970899221,2cyclictest0-21swapper/022:40:140
294970899220,21cyclictest64-21kcompactd019:24:160
2949717992119,1cyclictest3117830-21apt-get21:55:133
2949717992119,1cyclictest3082378-21apt-get21:20:113
2949717992118,2cyclictest3097612-21apt-get21:35:113
2949717992118,2cyclictest3097612-21apt-get21:35:113
2949717992118,2cyclictest2980341-21apt-get19:40:113
2949717992118,2cyclictest0-21swapper/322:11:273
2949717992117,2cyclictest3072259-21apt-get21:10:133
294971799211,19cyclictest0-21swapper/320:48:073
294971799210,2cyclictest2954999-21apt-get19:15:133
294971799210,20cyclictest3026148-21apt-get20:25:113
294971799210,20cyclictest0-21swapper/300:10:163
294971799210,20cyclictest0-21swapper/300:10:153
294971799210,1cyclictest0-21swapper/323:10:123
294971799210,1cyclictest0-21swapper/321:50:103
294971799210,19cyclictest3052441-21irqcore20:50:163
294971599212,18cyclictest0-21swapper/222:00:222
2949715992119,1cyclictest64-21kcompactd021:24:412
2949715992119,1cyclictest0-21swapper/223:32:372
2949715992119,1cyclictest0-21swapper/223:10:122
2949715992119,1cyclictest0-21swapper/222:10:562
2949715992119,1cyclictest0-21swapper/220:05:232
2949715992119,1cyclictest0-21swapper/219:17:162
2949715992119,1cyclictest0-21swapper/200:30:102
2949715992118,2cyclictest3071978-21cron21:10:002
2949715992118,2cyclictest0-21swapper/220:05:012
2949715992118,2cyclictest0-21swapper/200:05:132
2949715992118,1cyclictest0-21swapper/220:20:112
2949715992117,2cyclictest0-21swapper/223:15:112
294971599210,2cyclictest3777322-21systemd-journal22:16:422
294971599210,20cyclictest3259751-21ntpq00:10:242
294971599210,20cyclictest3259751-21ntpq00:10:242
294971599210,20cyclictest0-21swapper/222:52:512
294971599210,1cyclictest0-21swapper/219:35:122
294971599210,19cyclictest0-21swapper/223:20:122
294971599210,19cyclictest0-21swapper/219:10:102
2949712992119,1cyclictest3179672-21apt-get22:55:131
2949712992118,2cyclictest3240593-21apt-get23:55:121
2949712992118,2cyclictest3173891-21sh22:50:001
2949712992118,1cyclictest0-21swapper/120:27:101
2949712992117,2cyclictest3276169-21apt-get00:30:101
294971299210,2cyclictest3112778-21apt-get21:50:101
294971299210,2cyclictest301rcuc/119:55:011
294971299210,20cyclictest0-21swapper/121:16:361
294971299210,20cyclictest0-21swapper/119:20:131
2949708992119,1cyclictest0-21swapper/021:20:230
2949708992119,1cyclictest0-21swapper/000:20:000
2949708992118,2cyclictest64-21kcompactd020:35:460
2949708992118,2cyclictest3286190-21apt-key00:40:000
2949708992118,2cyclictest2995580-21apt-get19:55:120
2949708992118,2cyclictest0-21swapper/021:05:200
2949708992117,2cyclictest3224154-21ntpq23:35:190
294970899211,19cyclictest0-21swapper/000:25:130
294970899210,20cyclictest0-21swapper/021:50:290
294970899210,20cyclictest0-21swapper/021:15:000
294970899210,20cyclictest0-21swapper/020:55:110
294970899210,20cyclictest0-21swapper/019:30:110
294970899210,20cyclictest0-21swapper/000:05:250
294970899210,1cyclictest3077327-21apt-get21:15:120
294970899210,1cyclictest0-21swapper/021:30:100
294970899210,1cyclictest0-21swapper/021:00:120
2949717992019,1cyclictest0-21swapper/323:00:543
2949717992018,2cyclictest64-21kcompactd000:07:023
2949717992018,1cyclictest0-21swapper/319:55:113
2949717992018,1cyclictest0-21swapper/300:40:013
2949717992017,1cyclictest0-21swapper/321:25:113
294971799200,2cyclictest481rcuc/322:55:143
294971799200,1cyclictest0-21swapper/323:35:113
294971799200,1cyclictest0-21swapper/323:15:113
294971799200,1cyclictest0-21swapper/321:19:183
294971799200,1cyclictest0-21swapper/319:23:113
294971799200,19cyclictest0-21swapper/322:30:153
294971799200,19cyclictest0-21swapper/320:00:123
294971799200,19cyclictest0-21swapper/300:25:133
294971799200,19cyclictest0-21swapper/300:20:153
2949715992019,1cyclictest64-21kcompactd022:39:242
2949715992018,1cyclictest0-21swapper/223:40:092
2949715992018,1cyclictest0-21swapper/223:25:132
2949715992018,1cyclictest0-21swapper/222:07:412
2949715992018,1cyclictest0-21swapper/221:46:432
2949715992018,1cyclictest0-21swapper/221:00:122
2949715992018,1cyclictest0-21swapper/220:15:522
2949715992018,1cyclictest0-21swapper/219:50:122
2949715992018,1cyclictest0-21swapper/200:29:052
2949715992017,2cyclictest3163945-21apt-get22:40:152
2949715992017,1cyclictest0-21swapper/221:50:102
294971599201,1cyclictest0-21swapper/222:55:142
294971599200,1cyclictest3236023-21ps23:50:182
294971599200,1cyclictest0-21swapper/223:59:312
294971599200,1cyclictest0-21swapper/221:55:182
294971599200,1cyclictest0-21swapper/219:45:122
294971599200,18cyclictest3010865-21runrttasks20:10:112
2949712992018,1cyclictest0-21swapper/119:16:441
2949712992017,2cyclictest516-21rs:main1
2949712992015,3cyclictest0-21swapper/121:32:111
294971299200,1cyclictest0-21swapper/121:10:131
294971299200,1cyclictest0-21swapper/100:00:141
294971299200,19cyclictest0-21swapper/100:39:171
2949708992018,1cyclictest0-21swapper/023:58:260
2949708992018,1cyclictest0-21swapper/023:17:030
2949708992018,1cyclictest0-21swapper/023:05:110
2949708992018,1cyclictest0-21swapper/020:30:100
2949708992018,1cyclictest0-21swapper/020:22:510
2949708992018,1cyclictest0-21swapper/020:07:480
2949708992016,2cyclictest3194886-21apt-get23:10:110
2949708992015,3cyclictest3173870-21munin-run22:50:000
294970899200,1cyclictest0-21swapper/022:50:030
294970899200,1cyclictest0-21swapper/020:18:420
2949717991917,1cyclictest0-21swapper/321:05:133
2949717991917,1cyclictest0-21swapper/319:45:123
2949717991917,1cyclictest0-21swapper/300:00:133
2949717991916,1cyclictest0-21swapper/320:10:113
294971799190,1cyclictest0-21swapper/321:33:493
294971799190,19cyclictest0-21swapper/320:40:113
2949715991917,1cyclictest0-21swapper/220:45:132
2949715991917,1cyclictest0-21swapper/220:35:172
2949715991917,1cyclictest0-21swapper/219:25:122
2949715991915,2cyclictest2960095-21apt-get19:20:122
294971599190,1cyclictest0-21swapper/200:15:132
2949712991917,1cyclictest0-21swapper/120:25:011
2949712991916,2cyclictest0-21swapper/120:00:121
2949708991917,1cyclictest0-21swapper/019:40:120
2949708991916,2cyclictest64-21kcompactd022:35:060
2949708991916,2cyclictest0-21swapper/023:30:190
2949708991916,2cyclictest0-21swapper/020:25:120
2949708991915,2cyclictest3245647-21apt-get00:00:140
2949717991816,1cyclictest0-21swapper/320:15:133
2949717991814,3cyclictest3031222-21chrt20:30:123
2949715991816,1cyclictest0-21swapper/221:35:122
2949715991816,1cyclictest0-21swapper/221:35:122
2949715991816,1cyclictest0-21swapper/220:55:122
294971599180,0cyclictest0-21swapper/221:19:182
2949712991815,2cyclictest0-21swapper/122:01:461
2949717991717,0cyclictest0-21swapper/322:52:513
2949717991715,1cyclictest0-21swapper/320:35:023
2949717991715,1cyclictest0-21swapper/319:28:333
2949717991714,2cyclictest0-21swapper/321:00:123
2949717991713,2cyclictest0-21swapper/322:40:143
2949717991712,3cyclictest3128460-21grep22:05:163
2949715991714,2cyclictest3092266-21cron21:30:002
2949712991715,1cyclictest0-21swapper/123:00:131
2949712991714,2cyclictest3237751-21tr23:50:201
2949708991716,1cyclictest0-21swapper/022:57:410
2949708991715,1cyclictest0-21swapper/023:51:260
2949708991712,3cyclictest3153802-21apt-get22:30:150
2949717991614,1cyclictest3240315-21cron23:55:003
2949717991614,1cyclictest0-21swapper/322:20:353
2949717991613,2cyclictest0-21swapper/319:40:013
2949715991613,2cyclictest3052902-21kthreadcore20:50:172
294971599160,2cyclictest2995784-21uniq19:55:132
2949712991614,1cyclictest0-21swapper/122:20:031
2949708991614,1cyclictest0-21swapper/022:24:210
2949708991613,2cyclictest61650irq/133-enp0s29f1:rx-020:50:200
2949708991613,2cyclictest61650irq/133-enp0s29f1:rx-000:30:130
2949708991613,2cyclictest3133040-21apt-get22:10:110
2949715991513,1cyclictest3096449-21ntpq21:30:192
2949715991513,1cyclictest0-21swapper/200:00:132
2949715991511,3cyclictest3266064-21cpuspeed_turbos00:20:142
2949712991511,3cyclictest2980409-21cpuspeed_turbos19:40:121
2949708991513,1cyclictest3179636-21kworker/0:1+events_power_efficient23:45:120
2949708991513,1cyclictest0-21swapper/021:40:130
2949717991411,2cyclictest0-21swapper/320:05:133
294971299145,7cyclictest2972435-21sed19:30:171
294970899147,5cyclictest3127970-21apt-get22:05:110
294971799135,7cyclictest3123029-21cut22:00:133
2949712991310,2cyclictest3199702-21cron23:14:591
294971299121,2cyclictest2949632-21latency_hist19:10:011
294970899120,5cyclictest2949761-21cat19:10:010
294970899120,5cyclictest2949761-21cat19:10:010
294971599110,9cyclictest2949632-21latency_hist19:10:012
294971599110,9cyclictest2949632-21latency_hist19:10:012
294971299111,9cyclictest2949632-21latency_hist19:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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