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2025-11-23 - 03:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 50 highest latencies:
System rack5slot7.osadl.org (updated Sun Nov 23, 2025 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
26411224112204,155sleep00-21swapper17:37:040
268729917219,24cyclictest20583-21apt-get23:06:150
268729916916,27cyclictest9549-21/usr/sbin/munin20:57:230
268729916818,23cyclictest30184-21apt-get20:21:150
268729916812,131cyclictest20436-21awk21:27:320
268729916717,44cyclictest19314-21users19:47:430
268729916716,126cyclictest16293-21apt-get21:16:160
268729916617,38cyclictest8269-21ssh20:51:590
268729916539,106cyclictest9820-21latency19:01:410
268729916536,16cyclictest0-21swapper17:41:430
268729916519,23cyclictest5677-21apt-get22:21:120
268729916519,23cyclictest21368-21ssh19:54:320
268729916517,22cyclictest12331-21apt-get22:41:130
268729916436,20cyclictest31427-21apt-get22:01:070
268729916416,25cyclictest13973-21/usr/sbin/munin22:47:220
268729916416,24cyclictest1105-21apt-get20:31:150
268729916412,126cyclictest17865-21ssh22:57:170
268729916333,114cyclictest22278-1kworker/u3:220:06:160
268729916318,26cyclictest25016-21df_inode21:41:490
268729916318,22cyclictest28056-21apt-get21:51:130
268729916317,122cyclictest5419-21users20:42:420
268729916314,127cyclictest10701-21apt-get22:36:180
268729916313,130cyclictest639-21apt-get22:06:160
268729916233,110cyclictest16568-21diskmemload20:00:590
268729916219,24cyclictest7883-21memory22:27:110
268729916214,27cyclictest12910-21/usr/sbin/munin21:07:200
268729916141,99cyclictest7611-21sh20:50:170
268729916136,106cyclictest19712-21switchtime23:02:350
268729916116,36cyclictest11607-21fw_conntrack21:01:520
268729916115,22cyclictest2804-21apt-get20:36:140
268729916019,24cyclictest15651-21apt22:51:070
268729916018,21cyclictest26818-21apt-get20:11:200
268729916017,39cyclictest17073-21fw_conntrack19:41:560
268729916015,23cyclictest4360-21df_inode22:16:460
268729916014,25cyclictest2366-21apt-get22:11:150
268729916012,30cyclictest30074-21sed21:56:430
268729915940,98cyclictest31732-21timerandwakeup18:01:590
268729915932,18cyclictest0-21swapper21:31:030
268729915917,22cyclictest9341-21df22:31:410
268729915915,42cyclictest966-21munin-run20:30:540
268729915915,25cyclictest29285-21apt-get17:51:100
268729915914,24cyclictest29046-21ssh20:17:160
268729915819,25cyclictest15545-21users21:12:420
268729915814,27cyclictest28836-21ntp_states17:47:100
268729915814,23cyclictest19524-21munin-run21:25:570
268729915811,44cyclictest23041-21ssh21:36:220
268729915719,24cyclictest23432-21apt-get20:01:130
268729915712,25cyclictest3305-21cstates18:26:220
268729915636,21cyclictest4677-21switchtime18:31:580
268729915620,21cyclictest11267-21apt-get19:11:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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