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2026-04-17 - 03:18
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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 Fri Apr 17, 2026 00:45:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6335991129,26cyclictest0-21swapper/021:50:140
63359911212,28cyclictest0-21swapper/021:00:090
63429911113,33cyclictest0-21swapper/121:05:141
6335991116,27cyclictest503-21snmpd20:40:150
63359911068,28cyclictest0-21swapper/021:40:110
63359910966,31cyclictest14-21ksoftirqd/021:25:090
63359910662,32cyclictest0-21swapper/023:00:120
63359910561,33cyclictest14-21ksoftirqd/023:15:230
63359910554,37cyclictest14-21ksoftirqd/022:40:120
63359910512,24cyclictest0-21swapper/020:20:120
63359910511,24cyclictest0-21swapper/021:05:150
63359910511,23cyclictest0-21swapper/021:10:130
63429910412,32cyclictest0-21swapper/119:30:121
63359910455,33cyclictest14-21ksoftirqd/000:00:230
63429910312,31cyclictest0-21swapper/123:40:161
63429910312,31cyclictest0-21swapper/122:30:121
63359910355,33cyclictest14-21ksoftirqd/020:55:120
63359910355,33cyclictest14-21ksoftirqd/020:55:120
63359910352,34cyclictest14-21ksoftirqd/022:45:110
6335991034,79cyclictest503-21snmpd19:45:140
63359910347,35cyclictest14-21ksoftirqd/021:30:250
63359910014,66cyclictest0-21swapper/019:20:120
63359910014,66cyclictest0-21swapper/019:20:120
634299997,41cyclictest453-21in:imuxsock19:25:101
6335999917,61cyclictest0-21swapper/022:35:130
6335999849,32cyclictest14-21ksoftirqd/000:10:140
6335999811,65cyclictest0-21swapper/020:45:100
6335999743,36cyclictest14-21ksoftirqd/022:50:140
6335999713,65cyclictest0-21swapper/019:15:100
6335999713,63cyclictest0-21swapper/020:25:120
6335999712,64cyclictest0-21swapper/020:15:110
6335999711,64cyclictest0-21swapper/000:35:110
6335999711,64cyclictest0-21swapper/000:35:110
6335999642,33cyclictest14-21ksoftirqd/020:50:120
6335999612,62cyclictest0-21swapper/019:55:220
6335999513,63cyclictest0-21swapper/000:05:120
6335999512,62cyclictest0-21swapper/020:30:130
6335999434,36cyclictest25042-21taskset20:00:120
6335999411,59cyclictest0-21swapper/023:40:140
634299937,39cyclictest17014-21diskmemload21:10:111
6335999344,31cyclictest0-21swapper/022:20:120
6335999313,61cyclictest0-21swapper/022:55:140
6335999311,56cyclictest0-21swapper/020:05:120
6335999248,28cyclictest14-21ksoftirqd/021:15:250
6335999212,58cyclictest0-21swapper/023:10:130
528628930,47sleep10-21swapper/119:05:251
633599888,54cyclictest503-21snmpd19:40:120
633599888,54cyclictest31247-21taskset23:20:120
6335998836,31cyclictest0-21swapper/023:30:110
6335998821,47cyclictest0-21swapper/000:20:120
6335998815,50cyclictest0-21swapper/023:45:110
6335998812,56cyclictest0-21swapper/021:20:150
633599875,52cyclictest503-21snmpd22:00:120
6335998726,42cyclictest14-21ksoftirqd/023:35:120
6335998711,53cyclictest0-21swapper/019:35:130
6335998711,53cyclictest0-21swapper/019:35:130
6335998639,29cyclictest14-21ksoftirqd/023:50:140
6335998612,51cyclictest0-21swapper/020:10:090
6335998532,29cyclictest0-21swapper/021:45:110
6335998512,53cyclictest0-21swapper/022:10:150
6335998512,53cyclictest0-21swapper/022:10:150
6335998421,45cyclictest0-21swapper/019:30:140
6335998413,51cyclictest0-21swapper/022:15:120
6335998412,49cyclictest0-21swapper/022:05:120
6335998337,27cyclictest0-21swapper/019:50:230
6335998318,44cyclictest0-21swapper/022:25:130
6335998229,29cyclictest0-21swapper/023:25:130
6335998212,51cyclictest0-21swapper/021:35:110
6335998110,52cyclictest0-21swapper/000:30:150
6335998013,47cyclictest0-21swapper/022:30:150
6335998012,49cyclictest0-21swapper/023:05:120
6335998010,49cyclictest0-21swapper/019:10:110
6335997922,42cyclictest0-21swapper/020:35:120
6335997922,42cyclictest0-21swapper/020:35:120
634299789,41cyclictest26-21ksoftirqd/121:34:301
6335997837,25cyclictest14-21ksoftirqd/021:55:130
6335997834,25cyclictest14-21ksoftirqd/000:25:140
46982786,19sleep00-21swapper/019:05:160
634299778,54cyclictest13158-21apt-get00:00:201
6335997732,25cyclictest0-21swapper/023:55:140
6335997025,19cyclictest13051-21switchtime19:25:330
6335996619,18cyclictest0-21swapper/000:15:120
634299645,21cyclictest0-21swapper/119:14:361
6342996434,17cyclictest26-21ksoftirqd/100:12:321
634299634,38cyclictest0-21swapper/121:56:161
6342996233,17cyclictest26-21ksoftirqd/120:25:261
634299615,12cyclictest0-21swapper/123:28:231
634299605,28cyclictest0-21swapper/122:53:431
634299604,48cyclictest15239-21df_inode00:05:201
6342996042,11cyclictest26-21ksoftirqd/122:15:001
6342996042,11cyclictest26-21ksoftirqd/122:15:001
6342996041,11cyclictest26-21ksoftirqd/120:15:001
6342996041,11cyclictest26-21ksoftirqd/100:25:001
6342996040,11cyclictest26-21ksoftirqd/120:45:011
6342995941,11cyclictest26-21ksoftirqd/123:05:001
6342995941,11cyclictest26-21ksoftirqd/121:25:011
6342995941,11cyclictest26-21ksoftirqd/120:25:001
6342995941,11cyclictest0-21swapper/120:45:141
6342995941,10cyclictest26-21ksoftirqd/123:54:591
6342995940,12cyclictest26-21ksoftirqd/120:00:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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