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2025-07-06 - 03:34
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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 792 highest latencies:
System rack3slot6.osadl.org (updated Sun Jul 06, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12547210324,29sleep00-21swapper/019:07:330
12547210324,29sleep00-21swapper/019:07:330
182982990,13sleep126-21ksoftirqd/123:50:371
1295999996,86cyclictest6611-21apt-get21:50:130
1295999996,86cyclictest6611-21apt-get21:50:130
1296599869,65cyclictest0-21swapper/120:30:141
1296599858,60cyclictest31815-21apt-get23:00:161
1296599857,63cyclictest22672-21apt-get22:35:171
1296599856,65cyclictest8029-21apt-get20:25:181
1296599856,63cyclictest27875-21apt-get19:50:141
1295999855,70cyclictest18836-21apt-get20:55:190
12959998523,56cyclictest24296-21ls22:40:010
12965998411,59cyclictest0-21swapper/100:10:161
12965998411,57cyclictest0-21swapper/120:45:141
1295999848,66cyclictest0-21swapper/019:50:140
12965998310,60cyclictest0-21swapper/121:50:131
12965998310,60cyclictest0-21swapper/121:50:131
1295999838,64cyclictest0-21swapper/023:00:150
1295999837,60cyclictest0-21swapper/020:25:180
1296599828,67cyclictest594-21runrttasks20:15:151
1296599828,62cyclictest1128-21apt-get23:05:121
1295999827,67cyclictest0-21swapper/023:20:140
1295999824,66cyclictest514-21snmpd22:30:150
12965998112,54cyclictest0-21swapper/121:25:161
1295999816,61cyclictest9763-21apt-get20:30:140
1295999816,59cyclictest0-21swapper/021:25:140
12959998120,55cyclictest261-21systemd-journal23:37:480
12959998118,57cyclictest261-21systemd-journal20:52:150
1296599808,61cyclictest2919-21apt-get23:10:131
12965998010,60cyclictest0-21swapper/119:20:131
12965998010,56cyclictest0-21swapper/123:40:181
12965998010,55cyclictest0-21swapper/119:45:151
12965998010,54cyclictest0-21swapper/122:15:151
1295999807,64cyclictest0-21swapper/019:45:140
1295999806,59cyclictest0-21swapper/019:10:110
12959998025,49cyclictest261-21systemd-journal00:33:000
1296599798,54cyclictest28418-21apt-get00:20:141
1296599797,61cyclictest13041-21apt-get19:10:111
1296599797,54cyclictest8352-21apt-get21:55:151
1296599797,54cyclictest8352-21apt-get21:55:151
1296599796,62cyclictest24400-21apt-get19:40:141
12965997912,57cyclictest0-21swapper/119:15:131
12965997912,52cyclictest0-21swapper/122:55:121
12965997910,55cyclictest0-21swapper/123:30:151
12965997910,54cyclictest0-21swapper/122:20:141
1295999797,56cyclictest0-21swapper/022:45:160
1295999796,65cyclictest0-21swapper/023:50:140
1295999796,65cyclictest0-21swapper/000:15:240
12959997919,53cyclictest261-21systemd-journal21:12:190
1296599789,57cyclictest0-21swapper/120:50:141
1296599789,56cyclictest0-21swapper/120:00:161
1296599789,54cyclictest0-21swapper/120:05:241
1296599787,55cyclictest29612-21apt-get19:55:141
1296599787,52cyclictest13322-21apt-get20:40:161
1296599786,57cyclictest31106-21apt-get21:30:141
12965997820,52cyclictest12973-21cron20:39:001
12965997811,52cyclictest0-21swapper/123:35:161
12965997810,55cyclictest0-21swapper/122:05:141
1295999789,61cyclictest0-21swapper/021:55:150
1295999789,61cyclictest0-21swapper/021:55:150
1295999789,57cyclictest0-21swapper/023:10:140
1295999787,63cyclictest0-21swapper/019:25:140
1295999787,62cyclictest0-21swapper/023:55:230
1295999787,57cyclictest0-21swapper/023:05:120
1295999786,65cyclictest0-21swapper/020:35:120
1295999786,63cyclictest0-21swapper/019:55:140
1295999786,59cyclictest9902-21apt-get23:30:150
1295999786,58cyclictest24614-21apt-get00:10:160
12959997829,43cyclictest32692-21seq21:35:010
12959997823,49cyclictest21643-21tail21:00:350
12959997821,50cyclictest261-21systemd-journal23:17:440
12959997819,53cyclictest261-21systemd-journal22:52:390
12959997814,58cyclictest261-21systemd-journal20:17:080
12959997814,58cyclictest261-21systemd-journal20:12:070
12959997813,60cyclictest3122-21cron00:40:000
1296599779,55cyclictest0-21swapper/100:30:151
1296599777,58cyclictest2839-21apt-get21:40:231
12965997711,57cyclictest0-21swapper/119:30:171
12965997710,53cyclictest0-21swapper/119:35:141
12965997710,52cyclictest0-21swapper/122:10:161
12965997710,52cyclictest0-21swapper/122:10:161
1295999779,63cyclictest0-21swapper/021:35:250
1295999779,63cyclictest0-21swapper/021:35:250
1295999777,59cyclictest15057-21apt-get20:45:140
1295999777,58cyclictest0-21swapper/019:40:140
1295999776,55cyclictest17064-21apt-get19:20:130
12959997717,54cyclictest420-21dbus-daemon22:44:250
12959997710,60cyclictest0-21swapper/021:05:140
1296599769,55cyclictest0-21swapper/100:05:131
1296599767,53cyclictest6283-21apt-get20:20:121
1296599766,53cyclictest4657-21apt-get23:15:141
1296599766,53cyclictest2786-21apt-get20:10:161
1296599766,53cyclictest20596-21apt-get21:00:111
1296599765,53cyclictest721-21apt-get21:35:241
1296599765,53cyclictest721-21apt-get21:35:241
12965997610,56cyclictest0-21swapper/100:25:131
12965997610,55cyclictest0-21swapper/123:25:141
1295999767,62cyclictest0-21swapper/000:20:140
1295999767,61cyclictest0-21swapper/022:55:140
1295999766,62cyclictest0-21swapper/020:40:160
1295999766,61cyclictest0-21swapper/023:45:150
12959997624,46cyclictest494-21gdbus21:45:000
12959997618,52cyclictest26957-21grep21:15:370
1296599759,57cyclictest0-21swapper/123:55:251
1296599759,52cyclictest0-21swapper/122:44:251
1296599756,58cyclictest26578-21apt-get22:45:161
1296599756,54cyclictest18804-21apt-get19:25:141
1296599756,53cyclictest15500-21apt-get23:45:151
1296599755,59cyclictest25866-21apt-get21:15:131
12965997525,39cyclictest0-21swapper/121:05:131
1295999758,60cyclictest0-21swapper/021:45:230
1295999756,62cyclictest0-21swapper/022:25:130
1295999756,58cyclictest15688-21apt-get22:15:150
1295999756,53cyclictest30155-21apt-get00:25:130
1295999755,59cyclictest31377-21apt-get20:00:160
1295999755,17cyclictest8160-21apt-get23:25:150
1295999753,65cyclictest21410-21memory19:30:290
1295999752,67cyclictest17518-21aten2.4-expect22:20:170
12959997524,45cyclictest6771-21cut20:20:250
12959997522,47cyclictest261-21systemd-journal19:16:560
1296599747,53cyclictest24133-21apt-get21:10:161
1296599747,52cyclictest28315-21apt-get22:50:131
12965997421,46cyclictest261-21systemd-journal22:30:011
12965997410,50cyclictest0-21swapper/100:00:181
1295999749,56cyclictest0-21swapper/021:20:140
1295999746,60cyclictest0-21swapper/022:10:170
1295999746,60cyclictest0-21swapper/022:10:170
1295999745,56cyclictest22586-21apt-get19:35:140
1295999745,56cyclictest12154-21apt-get22:05:140
1274127439,26sleep10-21swapper/119:09:061
1274127439,26sleep10-21swapper/119:09:061
1295999736,57cyclictest991-21apt-get20:05:240
1296599729,52cyclictest0-21swapper/120:55:171
1296599727,49cyclictest6419-21apt-get23:20:141
1295999726,59cyclictest0-21swapper/000:00:160
1295999726,55cyclictest0-21swapper/023:40:170
1296599716,51cyclictest19188-21apt-get22:25:141
12965997111,52cyclictest0-21swapper/100:15:251
1295999716,58cyclictest0-21swapper/022:00:170
1295999712,61cyclictest22822-21apt-get00:05:110
1296599709,53cyclictest0-21swapper/121:20:131
1296599707,51cyclictest4871-21apt-get21:45:231
1296599707,50cyclictest1509-21apt-get00:35:171
12965997010,48cyclictest0-21swapper/122:00:181
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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