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2025-07-12 - 12:46
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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 all highest latencies:
System rack3slot6.osadl.org (updated Sat Jul 12, 2025 00:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248749911092,10cyclictest14-21ksoftirqd/019:10:130
248829910760,26cyclictest26-21ksoftirqd/122:35:261
2487499986,50cyclictest6608-21apt-get00:20:130
2440529720,31sleep10-21swapper/119:07:011
24874999667,18cyclictest14-21ksoftirqd/023:45:250
24874999362,18cyclictest14-21ksoftirqd/020:10:140
24874999160,20cyclictest14-21ksoftirqd/021:30:150
24874999058,18cyclictest14-21ksoftirqd/020:40:150
24874998957,21cyclictest14-21ksoftirqd/021:20:180
24874998957,20cyclictest14-21ksoftirqd/021:25:170
24874998753,19cyclictest14-21ksoftirqd/020:45:140
24874998656,20cyclictest14-21ksoftirqd/019:45:170
24874998656,20cyclictest14-21ksoftirqd/019:45:170
2312528532,40sleep00-21swapper/019:05:130
24874998431,42cyclictest14-21ksoftirqd/023:00:130
24874998431,42cyclictest14-21ksoftirqd/023:00:130
24874998413,27cyclictest0-21swapper/022:00:160
2487499837,62cyclictest4785-21apt-get22:45:150
2487499837,62cyclictest4785-21apt-get22:45:140
2487499829,59cyclictest22847-21apt-get22:05:130
2487499827,62cyclictest1762-21apt-get19:35:140
2487499826,61cyclictest24383-21apt-get23:40:120
24874998217,52cyclictest0-21swapper/022:50:170
24874998212,57cyclictest0-21swapper/020:50:150
24874998212,56cyclictest0-21swapper/021:00:150
24874998212,55cyclictest0-21swapper/020:05:160
2487499816,60cyclictest15595-21apt-get23:15:140
2487499807,59cyclictest28142-21apt-get22:20:150
2487499807,58cyclictest28967-21apt-get19:20:120
2487499807,58cyclictest17610-21apt-get21:50:170
24874998049,18cyclictest14-21ksoftirqd/019:40:160
24874998023,52cyclictest261-21systemd-journal23:51:320
24874998012,56cyclictest0-21swapper/022:40:160
24874998012,55cyclictest0-21swapper/019:30:130
24874998012,54cyclictest0-21swapper/021:15:160
2487499796,60cyclictest4848-21apt-get00:15:140
24874997921,50cyclictest261-21systemd-journal22:26:170
24874997912,57cyclictest0-21swapper/020:35:140
2488299785,15cyclictest8348-21apt-get00:25:151
2487499778,56cyclictest12062-21apt-get23:05:110
2487499777,56cyclictest30431-21apt-get20:55:130
2487499776,57cyclictest19351-21apt-get21:55:190
24874997714,52cyclictest0-21swapper/023:20:120
24874997713,50cyclictest0-21swapper/023:55:160
24874997713,50cyclictest0-21swapper/023:55:150
24874997713,50cyclictest0-21swapper/022:10:160
2487499767,57cyclictest27210-21apt-get19:15:160
2487499766,58cyclictest26382-21apt-get22:15:160
2487499766,56cyclictest30711-21apt-get19:25:150
2487499766,56cyclictest18185-21apt-get20:20:170
2487499766,56cyclictest14133-21apt-get21:40:140
24874997611,51cyclictest0-21swapper/019:50:150
2487499758,55cyclictest8568-21apt-get22:55:130
2487499756,57cyclictest22580-21apt-get23:35:180
24874997530,37cyclictest420-21dbus-daemon00:05:000
24874997521,48cyclictest17438-21ls21:50:000
2487499749,52cyclictest0-21swapper/021:10:140
2487499747,53cyclictest8348-21apt-get00:25:160
24874997421,45cyclictest420-21dbus-daemon20:05:010
24874997414,54cyclictest1110-21apt-key22:35:050
2488299736,16cyclictest0-21swapper/121:45:121
2487499738,53cyclictest21661-21apt-get20:30:140
2487499738,53cyclictest21661-21apt-get20:30:140
2487499737,51cyclictest19091-21apt-get23:25:130
2487499735,56cyclictest1804-21apt21:05:120
2487499733,15cyclictest261-21systemd-journal00:06:350
24874997311,48cyclictest0-21swapper/021:35:170
2488299727,50cyclictest0-21swapper/121:35:151
2487499728,51cyclictest16418-21apt-get20:15:120
2487499727,10cyclictest0-21swapper/000:30:190
2487499726,53cyclictest9394-21apt-get19:55:180
2487499717,50cyclictest13863-21apt-get23:10:170
24874997115,48cyclictest0-21swapper/020:30:010
24874997021,42cyclictest427-21in:imuxsock22:33:330
2487499697,48cyclictest11824-21apt-get00:35:140
2487499686,49cyclictest3108-21apt-get00:10:140
2488299676,43cyclictest0-21swapper/121:05:231
24882996710,41cyclictest0-21swapper/120:25:141
2487499676,18cyclictest20833-21apt-get23:30:140
24882996610,43cyclictest0-21swapper/121:55:171
2488299657,44cyclictest0-21swapper/100:05:131
2488299656,12cyclictest0-21swapper/119:25:131
24882996420,27cyclictest26-21ksoftirqd/123:30:121
2488299636,41cyclictest0-21swapper/119:15:151
2488299626,42cyclictest0-21swapper/120:20:171
24882996121,29cyclictest26-21ksoftirqd/122:30:121
2488299597,38cyclictest0-21swapper/123:50:141
16472590,18sleep126-21ksoftirqd/119:35:011
2488299579,42cyclictest0-21swapper/119:35:361
2488299576,38cyclictest0-21swapper/100:35:151
24882995731,19cyclictest261-21systemd-journal23:00:001
24882995721,25cyclictest26-21ksoftirqd/119:55:181
24882995719,26cyclictest26-21ksoftirqd/100:10:141
2488299566,35cyclictest0-21swapper/123:15:141
24882995632,18cyclictest30214-21expr23:55:201
24882995632,18cyclictest30214-21expr23:55:201
24882995622,21cyclictest0-21swapper/122:05:151
24882995617,26cyclictest26-21ksoftirqd/120:35:131
2488299556,37cyclictest0-21swapper/122:45:121
2488299556,37cyclictest0-21swapper/122:45:121
2488299554,22cyclictest0-21swapper/120:55:251
24882995523,20cyclictest0-21swapper/123:10:171
24882995517,12cyclictest251rcuc/122:13:401
2488299542,46cyclictest22637-21runrttasks22:04:411
24882995421,20cyclictest0-21swapper/121:15:131
2488299537,13cyclictest26-21ksoftirqd/120:50:241
2488299536,9cyclictest0-21swapper/123:35:361
24882995336,11cyclictest0-21swapper/100:30:291
2488299532,12cyclictest7734-21sort22:50:391
24882995320,20cyclictest0-21swapper/123:05:111
24882995317,12cyclictest26-21ksoftirqd/100:21:121
24882995316,15cyclictest22032-21ls20:30:221
24882995316,15cyclictest22032-21ls20:30:221
24882995315,21cyclictest26-21ksoftirqd/119:21:471
24882995313,20cyclictest26-21ksoftirqd/123:25:341
2488299526,40cyclictest0-21swapper/123:40:231
2488299525,42cyclictest0-21swapper/120:15:171
2488299523,18cyclictest26428-21apt-get23:45:211
24882995213,20cyclictest26-21ksoftirqd/123:22:351
2488299518,15cyclictest29914-21telnet22:25:151
2488299515,41cyclictest0-21swapper/120:40:311
2488299515,40cyclictest0-21swapper/100:15:131
24882995137,10cyclictest24867-21cyclictest21:50:161
24882995135,10cyclictest0-21swapper/122:40:361
24882995134,11cyclictest0-21swapper/123:00:281
24882995134,11cyclictest0-21swapper/123:00:281
24882995126,19cyclictest514-21snmpd19:45:231
24882995126,19cyclictest514-21snmpd19:45:231
24882995115,22cyclictest26-21ksoftirqd/120:10:551
2488299505,10cyclictest0-21swapper/119:50:071
2488299503,11cyclictest31483-21apt-get00:00:081
24882995014,24cyclictest26-21ksoftirqd/119:41:011
24882995011,11cyclictest26-21ksoftirqd/121:10:251
2488299497,13cyclictest26-21ksoftirqd/121:30:341
2488299495,39cyclictest0-21swapper/121:20:231
24882994913,12cyclictest26-21ksoftirqd/120:03:481
24882994911,12cyclictest26-21ksoftirqd/121:00:191
24882994910,13cyclictest26-21ksoftirqd/120:05:301
2488299485,38cyclictest0-21swapper/122:20:311
2488299485,38cyclictest0-21swapper/121:40:141
24882994812,19cyclictest26-21ksoftirqd/120:45:431
24882994717,25cyclictest25227-21cat19:10:181
2488299469,32cyclictest0-21swapper/122:15:241
2488299453,13cyclictest26-21ksoftirqd/121:25:171
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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