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2026-09-18 - 13:34
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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 100 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
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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