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2024-07-27 - 07:02
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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 rack8slot4.osadl.org (updated Sat Jul 27, 2024 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28294002234174,48sleep00-21swapper/019:09:140
28294222233172,21sleep20-21swapper/219:09:312
28294132228168,20sleep40-21swapper/419:09:264
28272612222170,17sleep50-21swapper/519:06:225
28294352218188,20sleep60-21swapper/619:09:446
28294032217185,20sleep30-21swapper/319:09:163
28293922206175,19sleep10-21swapper/119:09:071
28292952205177,17sleep70-21swapper/719:07:447
282967699332,3cyclictest2851785-21sh19:50:004
2829676993227,4cyclictest2966666-21apt23:20:004
282966999320,31cyclictest2996899-21idleruntime-cro00:15:011
282968699310,30cyclictest2931151-21sh22:15:016
282968199310,30cyclictest2920953-21apt-get21:57:095
2829676993126,4cyclictest0-21swapper/420:50:024
282967699310,28cyclictest0-21swapper/420:52:104
2829674993128,2cyclictest2996900-21apt00:15:003
2829689993026,3cyclictest3010867-21sh00:40:017
282968999300,29cyclictest2988624-21gpgv00:00:007
282968699300,29cyclictest2999593-21latency_hist00:20:016
282968699300,29cyclictest2994206-21sh00:10:016
282968199300,2cyclictest367-21systemd-journal23:55:015
282968199300,29cyclictest0-21swapper/520:25:015
282967699300,29cyclictest2904555-21apt-get21:27:104
2829674993028,1cyclictest2933841-21sh22:20:023
2829674993027,3cyclictest0-21swapper/300:10:003
282967499300,2cyclictest2936548-21latency_hist22:25:013
282967499300,29cyclictest2950273-21munin-run22:50:003
282967499300,29cyclictest0-21swapper/320:50:013
282967499300,29cyclictest0-21swapper/300:22:093
282967299300,29cyclictest367-21systemd-journal23:25:002
282967299300,29cyclictest0-21swapper/219:30:012
282966999300,1cyclictest0-21swapper/122:20:021
2829689992928,1cyclictest0-21swapper/721:20:017
2829689992927,1cyclictest3003120-21apt-get00:27:097
2829689992927,1cyclictest2950262-21idleruntime-cro22:50:017
282968999290,29cyclictest3008194-21munin-run00:35:017
282968999290,28cyclictest0-21swapper/723:37:087
282968999290,28cyclictest0-21swapper/723:07:097
282968999290,1cyclictest2980966-21apt-get23:47:097
282968999290,1cyclictest2857143-21cron20:00:017
282968699290,28cyclictest0-21swapper/623:45:016
282968699290,28cyclictest0-21swapper/621:42:096
282968699290,1cyclictest0-21swapper/622:02:106
282968699290,1cyclictest0-21swapper/621:20:016
2829681992927,1cyclictest2953513-21apt-get22:57:115
282968199290,28cyclictest0-21swapper/522:37:125
282968199290,28cyclictest0-21swapper/520:57:105
282968199290,28cyclictest0-21swapper/520:02:105
2829676992927,1cyclictest0-21swapper/400:00:004
282967699290,28cyclictest0-21swapper/419:42:124
2829674992927,1cyclictest2958903-21apt-get23:07:093
282967499290,28cyclictest0-21swapper/320:25:003
282967499290,28cyclictest0-21swapper/300:27:103
2829672992927,1cyclictest2988539-21cups-browsed00:00:002
282967299290,28cyclictest2844265-21apt-get19:37:102
282967299290,28cyclictest0-21swapper/223:17:082
282967299290,28cyclictest0-21swapper/220:00:002
282966999290,28cyclictest782-21dbus-daemon23:30:001
282966999290,28cyclictest0-21swapper/123:02:111
282966999290,28cyclictest0-21swapper/120:25:001
282966999290,28cyclictest0-21swapper/119:12:101
282966999290,28cyclictest0-21swapper/100:27:101
2829665992927,1cyclictest2830128-21apt-get19:12:110
282966599290,28cyclictest0-21swapper/023:02:090
282966599290,28cyclictest0-21swapper/020:32:090
282966599290,28cyclictest0-21swapper/000:22:080
282966599290,28cyclictest0-21swapper/000:07:090
282966599290,1cyclictest2843702-21apt19:35:010
2829686992828,0cyclictest0-21swapper/623:47:096
282968699280,28cyclictest0-21swapper/623:17:096
282968699280,1cyclictest2934427-21apt-get22:22:106
282968699280,0cyclictest2936551-21apt-get22:25:036
282968699280,0cyclictest0-21swapper/623:07:086
282968699280,0cyclictest0-21swapper/600:02:106
282968199280,28cyclictest1-21systemd21:05:025
282968199280,0cyclictest0-21swapper/522:52:075
282968199280,0cyclictest0-21swapper/519:22:085
2829676992828,0cyclictest0-21swapper/423:32:124
2829676992825,2cyclictest2873316-21sh20:30:014
282967699280,27cyclictest0-21swapper/419:22:094
282967699280,27cyclictest0-21swapper/419:15:014
2829674992827,1cyclictest0-21swapper/321:47:083
282967499280,0cyclictest0-21swapper/321:07:093
2829672992827,1cyclictest2944881-21munin-run22:40:012
2829672992827,1cyclictest0-21swapper/219:15:002
282967299280,28cyclictest0-21swapper/221:30:022
282967299280,28cyclictest0-21swapper/200:40:002
282966999280,28cyclictest2994244-21awk00:10:011
2829665992827,1cyclictest0-21swapper/021:35:020
2829665992827,1cyclictest0-21swapper/019:25:010
2829665992827,0cyclictest0-21swapper/023:25:010
2829665992826,1cyclictest2870623-21sh20:25:010
282966599280,0cyclictest0-21swapper/000:27:100
2829689992727,0cyclictest0-21swapper/722:52:077
2829689992727,0cyclictest0-21swapper/720:52:097
2829689992726,1cyclictest0-21swapper/719:37:097
2829689992725,1cyclictest2975013-21apt23:35:017
2829689992724,2cyclictest2884084-21turbostat.cron20:50:007
2829686992727,0cyclictest0-21swapper/621:47:076
2829686992726,1cyclictest0-21swapper/620:50:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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