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2026-09-07 - 01:49
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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 Mon Sep 07, 2026 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1727929719,32sleep10-21swapper/119:09:091
1749399896,68cyclictest25385-21apt-get19:30:160
17493998613,58cyclictest0-21swapper/023:05:140
17498998521,35cyclictest0-21swapper/121:10:221
17498998514,43cyclictest0-21swapper/123:00:251
17493998514,57cyclictest0-21swapper/021:30:160
1749399847,64cyclictest17581-21apt-get19:10:130
17493998415,54cyclictest0-21swapper/021:45:140
17493998414,56cyclictest0-21swapper/023:00:140
17493998414,55cyclictest0-21swapper/000:30:130
1749399836,65cyclictest21594-21apt-get19:20:110
17493998318,58cyclictest19712-21tail20:45:170
17493998316,57cyclictest0-21swapper/020:25:130
17493998314,57cyclictest0-21swapper/022:00:120
17493998314,54cyclictest0-21swapper/023:10:150
77732820,7sleep10-21swapper/121:40:371
1749399827,64cyclictest23496-21apt-get23:55:140
1749399826,64cyclictest6764-21apt-get21:40:150
17493998214,54cyclictest0-21swapper/019:50:130
17493998214,54cyclictest0-21swapper/019:50:130
17493998214,53cyclictest0-21swapper/000:05:150
17498998142,26cyclictest26-21ksoftirqd/100:25:141
1749399816,60cyclictest5220-21apt-get20:05:140
1749399815,56cyclictest0-21swapper/022:47:580
17493998115,52cyclictest0-21swapper/020:55:140
17493998113,53cyclictest0-21swapper/022:50:150
1749399807,61cyclictest7009-21apt-get20:10:130
1749399807,61cyclictest7009-21apt-get20:10:130
1749399806,60cyclictest25215-21apt-get22:30:140
1749399806,60cyclictest25215-21apt-get22:30:140
17493998016,50cyclictest0-21swapper/021:15:130
17493998015,55cyclictest0-21swapper/023:45:120
17493998015,53cyclictest0-21swapper/000:00:260
17493998014,55cyclictest0-21swapper/021:50:160
17493998013,53cyclictest0-21swapper/023:15:160
17493998012,53cyclictest0-21swapper/023:20:140
17498997956,13cyclictest5354-21apt-get23:05:141
1749399797,60cyclictest30671-21apt-get19:45:110
17493997917,52cyclictest0-21swapper/020:15:120
1749399787,61cyclictest1472-21apt-get21:25:120
17493997817,50cyclictest0-21swapper/020:50:230
17493997817,49cyclictest0-21swapper/021:05:120
17498997754,13cyclictest3216-21apt-get21:30:161
1749399777,56cyclictest15780-21apt-get22:05:130
1749399775,60cyclictest4952-21apt-get21:35:150
17493997717,49cyclictest0-21swapper/022:10:140
17493997716,47cyclictest0-21swapper/020:35:120
17493997716,46cyclictest0-21swapper/000:35:150
17493997713,52cyclictest0-21swapper/023:50:250
17493997713,50cyclictest0-21swapper/019:55:160
17493997713,49cyclictest0-21swapper/021:00:130
17493997713,49cyclictest0-21swapper/021:00:130
17498997624,45cyclictest19213-21munin-node19:15:011
1749399766,56cyclictest19911-21apt-get22:15:240
1749399766,54cyclictest26954-21apt-get22:35:140
17493997615,49cyclictest0-21swapper/022:40:170
17493997614,50cyclictest0-21swapper/020:30:160
17493997613,49cyclictest0-21swapper/023:35:120
1707227649,17sleep00-21swapper/019:07:270
17498997549,15cyclictest8502-21apt-get21:45:141
17498997549,12cyclictest30400-21apt-get21:15:141
17498997549,11cyclictest10243-21apt-get21:50:161
17498997548,13cyclictest12244-21apt-get20:25:121
1749399755,59cyclictest13856-21munin-run22:00:010
1749399753,54cyclictest29101-21if_err_enp3s021:10:260
17493997515,48cyclictest0-21swapper/019:15:120
17498997449,15cyclictest23363-21apt-get20:55:141
17498997448,13cyclictest25599-21apt-get00:00:261
17498997445,15cyclictest20032-21apt-get22:15:291
17498997444,20cyclictest32547-21apt-get22:50:161
17498997440,23cyclictest26-21ksoftirqd/120:50:251
1749399746,53cyclictest27121-21apt-get19:35:130
17493997454,13cyclictest0-21swapper/000:25:130
17493997416,46cyclictest0-21swapper/020:20:140
17493997415,48cyclictest0-21swapper/019:40:140
17498997350,13cyclictest3670-21apt-get00:30:131
17498997348,13cyclictest1472-21apt-get21:25:141
1749399737,50cyclictest32624-21apt-get00:20:140
1749399736,55cyclictest17979-21apt-get23:40:140
17493997314,51cyclictest21812-21/usr/sbin/munin22:20:160
240582720,9sleep1251rcuc/123:55:281
17498997244,22cyclictest11810-21apt-get21:55:151
1749399727,50cyclictest29126-21apt-get00:10:140
1749399726,55cyclictest17842-21apt-get20:40:230
1749399726,53cyclictest12382-21apt-get23:25:140
1749399726,51cyclictest30863-21apt-get00:15:130
1749399725,61cyclictest0-21swapper/020:02:010
17498997151,10cyclictest27340-21apt-get00:05:151
17498997140,24cyclictest0-21swapper/122:05:131
1749399717,49cyclictest1852-21apt-get22:55:130
1749399716,55cyclictest23636-21apt-get19:25:230
1749399716,51cyclictest14421-21apt-get23:30:220
1749399715,51cyclictest32158-21apt-get21:20:120
17498997046,11cyclictest25128-21apt-get21:00:141
17498997046,11cyclictest25128-21apt-get21:00:141
17498997043,18cyclictest5411-21apt-get00:35:131
17498997042,18cyclictest26866-21apt-get21:05:121
17498997037,27cyclictest0-21swapper/123:15:141
17498996948,10cyclictest17401-21apt-get22:10:141
17498996946,13cyclictest10644-21apt-get23:20:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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