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2025-11-12 - 20:09
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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 highest latencies:
System rack3slot6.osadl.org (updated Wed Nov 12, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230602970,6chrt23017-21/usr/sbin/munin10:25:161
17261999216,61cyclictest0-21swapper/010:50:140
17269998944,31cyclictest26-21ksoftirqd/107:15:171
17261998916,58cyclictest0-21swapper/011:05:160
17261998716,57cyclictest0-21swapper/010:45:140
1726199855,73cyclictest17529-21/usr/sbin/munin11:40:220
17261998514,64cyclictest0-21swapper/010:55:130
1726199843,76cyclictest20840-21taskset08:45:390
17261998316,59cyclictest0-21swapper/010:25:150
17261998316,59cyclictest0-21swapper/007:25:140
17261998316,59cyclictest0-21swapper/007:25:130
17261998314,59cyclictest0-21swapper/009:25:140
17269998225,52cyclictest20688-21wc08:45:351
1726199826,72cyclictest0-21swapper/008:34:560
1726199826,69cyclictest0-21swapper/011:00:450
17261998220,54cyclictest0-21swapper/007:40:120
17261998217,57cyclictest0-21swapper/009:20:150
17261998215,60cyclictest0-21swapper/012:20:140
17261998215,59cyclictest0-21swapper/010:00:130
17261998215,58cyclictest0-21swapper/008:10:150
17261998214,58cyclictest0-21swapper/011:15:150
17261998214,58cyclictest0-21swapper/008:05:160
17261998213,58cyclictest0-21swapper/011:25:130
17261998213,53cyclictest0-21swapper/012:30:160
1726199816,58cyclictest850-21apt-get12:25:130
1726199816,57cyclictest30598-21apt-get09:15:160
1726199814,49cyclictest21167-21apt07:20:000
17261998115,58cyclictest0-21swapper/012:05:120
17261998115,56cyclictest0-21swapper/011:45:160
17261998114,61cyclictest0-21swapper/008:15:100
17261998114,60cyclictest0-21swapper/008:40:120
17261998114,60cyclictest0-21swapper/008:40:110
17261998114,59cyclictest0-21swapper/010:05:120
17261998114,59cyclictest0-21swapper/009:10:160
1726199807,56cyclictest21286-21apt-get10:20:180
1726199805,63cyclictest23570-21apt-get08:55:160
1726199804,71cyclictest254-21systemd-journal10:16:580
1726199803,21cyclictest29070-21unixbench-2d12:10:360
17261998025,50cyclictest254-21systemd-journal12:36:380
17261998015,56cyclictest0-21swapper/011:10:120
17261998013,60cyclictest0-21swapper/011:30:150
17261998013,60cyclictest0-21swapper/007:20:140
17261998012,63cyclictest254-21systemd-journal07:39:380
1726199797,57cyclictest24833-21apt-get07:30:140
17261997914,57cyclictest0-21swapper/012:00:160
17261997913,58cyclictest0-21swapper/009:40:140
1726999786,60cyclictest30046-21apt-get10:45:131
1726999784,64cyclictest4908-21apt-get11:05:161
17269997823,49cyclictest31440-21sensors09:15:351
17269997823,48cyclictest28180-21hostname12:10:181
1726199786,62cyclictest28309-21apt-get10:40:120
1726199786,55cyclictest3681-21apt-get08:00:130
1726199783,17cyclictest16160-21if_err_enp3s011:35:240
1726999775,57cyclictest1678-21apt-get09:25:131
17269997733,37cyclictest26-21ksoftirqd/110:11:321
1726199777,58cyclictest29775-21apt-get12:15:130
1726199777,54cyclictest16230-21apt-get08:35:130
1726199777,53cyclictest5157-21apt-get09:35:130
1726199776,56cyclictest17479-21apt-get10:10:140
1726199775,61cyclictest21012-21apt-get11:50:140
17261997714,55cyclictest0-21swapper/010:35:150
17261997714,55cyclictest0-21swapper/009:05:140
1726999766,54cyclictest12232-21apt-get11:25:121
17269997625,45cyclictest20817-21tr10:20:011
1726199767,57cyclictest12449-21apt-get08:25:170
1726199767,55cyclictest3419-21apt-get09:30:140
1726199767,55cyclictest3419-21apt-get09:30:130
1726199767,55cyclictest21829-21apt-get08:50:140
1726199766,57cyclictest1924-21apt-get07:55:160
1726199766,55cyclictest12183-21apt-get09:55:130
1726199766,55cyclictest10709-21apt-get08:20:140
1726199766,53cyclictest22755-21apt-get11:55:160
1726199764,62cyclictest10494-21aten2.4_r3power09:50:170
17261997613,54cyclictest0-21swapper/009:00:130
1550427628,36sleep10-21swapper/107:05:121
1726199756,58cyclictest24762-21apt-get10:30:140
1726199756,58cyclictest24762-21apt-get10:30:130
1726199756,54cyclictest17339-21apt-get07:10:140
17261997513,55cyclictest0-21swapper/011:20:240
1726999744,54cyclictest5425-21apt-get08:05:161
1726199747,54cyclictest32603-21apt-get07:50:250
1726199746,59cyclictest10277-21apt09:50:010
1726199745,64cyclictest32131-21munin-run07:50:000
1726999736,56cyclictest2598-21apt-get12:30:151
1726999736,56cyclictest19275-21apt-get11:45:181
1726999735,54cyclictest6968-21apt-get09:40:141
1726999735,51cyclictest31539-21apt-get12:20:131
17269997331,35cyclictest26-21ksoftirqd/108:51:101
1726999726,58cyclictest0-21swapper/111:20:241
1726999726,51cyclictest7215-21apt-get08:10:151
1726999726,50cyclictest24512-21apt-get12:00:161
1726999725,50cyclictest26575-21apt-get07:35:151
1726999724,52cyclictest23097-21apt-get07:25:151
1726999724,52cyclictest23097-21apt-get07:25:151
1726999717,53cyclictest0-21swapper/112:05:131
1726999716,50cyclictest18045-21apt-get08:40:121
1726999716,50cyclictest18045-21apt-get08:40:121
1726999716,50cyclictest0-21swapper/109:30:131
1726999716,50cyclictest0-21swapper/109:30:121
1726999715,52cyclictest8433-21apt-get11:15:151
1726999715,52cyclictest13944-21apt-get10:00:131
1726999715,51cyclictest21358-21apt-get07:20:131
1726999713,57cyclictest3189-21runrttasks11:00:251
17269997124,41cyclictest32205-21cat10:50:241
1726999707,53cyclictest0-21swapper/107:30:131
1726999707,49cyclictest0-21swapper/111:30:141
1726999706,56cyclictest0-21swapper/108:20:121
1726999706,53cyclictest0-21swapper/112:25:141
1726999706,52cyclictest0-21swapper/108:55:151
1726999706,50cyclictest32363-21apt-get09:20:151
17269997011,50cyclictest0-21swapper/108:15:101
1549427022,39sleep00-21swapper/007:05:040
1726999697,53cyclictest0-21swapper/110:20:181
1726999697,49cyclictest1095-21apt-get10:55:131
1726999697,49cyclictest0-21swapper/111:35:141
1726999687,54cyclictest0-21swapper/112:15:131
1726999687,47cyclictest28520-21apt-get07:40:121
1726999686,48cyclictest0-21swapper/108:30:251
1726999685,47cyclictest26499-21apt-get10:35:121
17269996824,39cyclictest2884-21cat07:55:371
17269996823,39cyclictest16665-21cat08:35:231
17269996819,41cyclictest0-21swapper/109:45:111
1726999677,52cyclictest0-21swapper/107:45:251
1726999677,51cyclictest0-21swapper/111:40:131
1726999676,52cyclictest0-21swapper/112:35:141
1726999675,48cyclictest6692-21apt-get11:10:121
1726999673,57cyclictest254-21systemd-journal11:53:401
17269996720,42cyclictest6086-21ls09:35:361
1726999665,51cyclictest27066-21apt-get09:05:141
1726999665,47cyclictest15681-21apt-get10:05:161
1726999665,46cyclictest28860-21apt-get09:10:131
17269996622,39cyclictest18146-21processes07:10:351
1726999657,47cyclictest0-21swapper/108:25:181
1726999657,46cyclictest0-21swapper/107:50:251
1726999656,52cyclictest0-21swapper/111:55:161
1726999656,52cyclictest0-21swapper/109:55:131
1726999656,51cyclictest0-21swapper/108:00:141
1726999656,48cyclictest0-21swapper/110:40:131
1726999655,46cyclictest25329-21apt-get09:00:141
1726999636,46cyclictest0-21swapper/110:30:141
1726999636,46cyclictest0-21swapper/110:30:141
1726999622,54cyclictest10493-21aten2.4_r3power09:50:181
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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