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2025-07-13 - 07:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack3slot6.osadl.org (updated Sun Jul 13, 2025 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1120999715,18cyclictest0-21swapper/123:40:151
1120999534,18cyclictest1106-21cyclictest21:05:151
1120999514,20cyclictest0-21swapper/121:25:141
1120999415,20cyclictest0-21swapper/122:50:171
1120999413,19cyclictest0-21swapper/119:25:151
1120999410,32cyclictest8697-21chrt19:30:131
1120999313,19cyclictest0-21swapper/121:45:141
1120999313,18cyclictest0-21swapper/123:10:131
3189929240,35sleep10-21swapper/119:05:181
1120999217,19cyclictest0-21swapper/123:20:141
1120999216,19cyclictest0-21swapper/121:00:171
1120999212,18cyclictest0-21swapper/119:50:151
1113999214,60cyclictest0-21swapper/019:45:140
1120999015,20cyclictest0-21swapper/120:15:151
1120999014,16cyclictest0-21swapper/122:55:161
1120999013,19cyclictest0-21swapper/123:00:141
1120998916,18cyclictest0-21swapper/121:50:181
1120998915,19cyclictest0-21swapper/119:55:171
1120998913,20cyclictest0-21swapper/122:05:161
111399895,21cyclictest20445-21apt-get23:05:150
1120998814,20cyclictest0-21swapper/120:35:141
1120998814,18cyclictest0-21swapper/100:10:241
1120998717,18cyclictest0-21swapper/120:25:151
1120998717,17cyclictest0-21swapper/123:25:151
111399877,64cyclictest0-21swapper/021:25:130
1120998612,18cyclictest0-21swapper/122:15:171
112099853,39cyclictest19435-21switchtime00:30:371
112099853,39cyclictest19435-21switchtime00:30:371
1120998516,17cyclictest0-21swapper/121:40:171
1120998511,33cyclictest11980-21runrttasks21:10:121
111399857,21cyclictest2334-21apt-get22:15:150
1120998425,23cyclictest420-21dbus-daemon19:20:011
1120998413,21cyclictest0-21swapper/121:30:131
1120998322,22cyclictest3709-21cron23:50:001
1120998313,19cyclictest0-21swapper/120:10:161
1120998313,17cyclictest0-21swapper/120:05:141
1120998312,16cyclictest0-21swapper/119:40:161
111399836,19cyclictest15723-21apt-get19:50:150
111399836,18cyclictest22230-21apt-get23:10:130
111399836,13cyclictest0-21swapper/000:30:150
111399836,13cyclictest0-21swapper/000:30:150
1120998212,19cyclictest0-21swapper/119:35:161
1120998118,18cyclictest0-21swapper/123:05:171
1120998110,26cyclictest24458-21apt-get23:15:271
111399818,64cyclictest0-21swapper/023:50:140
111399813,70cyclictest10184-21munin-node21:05:120
1113998114,61cyclictest19127-21if_err_enp2s023:00:250
111399809,54cyclictest0-21swapper/000:15:140
111399808,65cyclictest0-21swapper/020:50:310
111399805,20cyclictest31770-21apt-get20:35:130
111399805,20cyclictest31226-21apt-get22:05:160
111399805,10cyclictest0-21swapper/019:25:210
3251527928,40sleep00-21swapper/019:05:280
1120997920,22cyclictest10348-21sshd22:35:331
1120997915,21cyclictest0-21swapper/100:35:131
1120997915,18cyclictest0-21swapper/123:55:171
1120997911,16cyclictest0-21swapper/119:10:151
111399796,64cyclictest0-21swapper/022:45:130
111399796,64cyclictest0-21swapper/019:20:160
111399796,64cyclictest0-21swapper/000:05:180
111399796,63cyclictest0-21swapper/019:40:170
1113997923,50cyclictest23524-21proc_pri20:10:350
1113997910,61cyclictest0-21swapper/021:50:170
1120997814,19cyclictest0-21swapper/121:55:151
111399787,23cyclictest18957-21apt-get21:30:130
111399786,64cyclictest0-21swapper/019:15:160
111399785,9cyclictest0-21swapper/000:20:280
1113997818,54cyclictest261-21systemd-journal23:32:340
1113997818,53cyclictest11446-21date22:40:020
112099777,20cyclictest20702-21apt-get21:35:141
111399777,63cyclictest0-21swapper/021:35:140
111399777,61cyclictest0-21swapper/023:40:140
111399777,60cyclictest0-21swapper/023:55:150
111399776,63cyclictest0-21swapper/022:35:170
111399776,63cyclictest0-21swapper/022:00:160
111399776,63cyclictest0-21swapper/020:40:150
111399776,62cyclictest0-21swapper/023:35:160
111399775,21cyclictest25787-21apt-get23:20:120
1113997727,45cyclictest2742-21cat23:45:300
1113997720,50cyclictest9095-21if_enp2s019:30:240
1120997615,17cyclictest0-21swapper/100:05:201
111399767,60cyclictest0-21swapper/021:40:170
111399767,59cyclictest0-21swapper/022:25:170
111399767,59cyclictest0-21swapper/021:45:150
111399766,62cyclictest0-21swapper/020:30:140
111399766,62cyclictest0-21swapper/020:20:150
111399766,61cyclictest0-21swapper/019:10:160
111399759,58cyclictest0-21swapper/022:50:180
111399757,18cyclictest10435-21apt-get19:35:170
111399756,60cyclictest0-21swapper/021:10:140
111399756,60cyclictest0-21swapper/021:00:160
1113997520,48cyclictest18309-21sensors_temp19:55:360
111399747,58cyclictest0-21swapper/020:25:140
111399746,59cyclictest0-21swapper/020:00:150
111399746,58cyclictest0-21swapper/021:15:130
111399745,64cyclictest0-21swapper/022:30:140
112099736,23cyclictest13469-21apt-get22:45:141
1120997311,20cyclictest0-21swapper/119:20:181
111399738,55cyclictest0-21swapper/022:10:120
111399737,58cyclictest0-21swapper/021:20:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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