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2023-06-03 - 21:13

x86 Intel Celeron G1620 @2700 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of system in rack #9, slot #5
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 50 highest latencies:
System rack9slot5.osadl.org (updated Sat Jun 03, 2023 12:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72582930,0sleep07256-21x2gosqlitewrapp06:44:260
39682680,0sleep13967-21x2gosqlitewrapp09:25:411
263462470,0sleep10-21swapper/111:10:241
302122430,0sleep00-21swapper/010:06:090
267652410,0sleep10-21swapper/110:03:091
254892410,0sleep00-21swapper/011:54:060
254892410,0sleep00-21swapper/011:54:060
246682242,9sleep10-21swapper/106:22:361
238642194,10sleep00-21swapper/006:21:130
264599180,0rtkit-daemon2644-21rtkit-daemon10:46:301
264599160,1rtkit-daemon2644-21rtkit-daemon10:14:160
26013991614,1cyclictest18503-21apt-get08:51:081
264599150,1rtkit-daemon2644-21rtkit-daemon08:32:111
26012991513,1cyclictest21557-21ssh10:21:300
2601299150,14cyclictest17615-21x2gosqlitewrapp07:44:200
318622140,0sleep00-21swapper/010:29:160
264599140,1rtkit-daemon2644-21rtkit-daemon11:18:231
264599140,1rtkit-daemon2644-21rtkit-daemon07:53:581
264599130,0rtkit-daemon2644-21rtkit-daemon06:47:161
26013991313,0cyclictest0-21swapper/111:15:491
26013991313,0cyclictest0-21swapper/110:40:591
26013991311,1cyclictest20379-21x2golistsession09:58:591
26013991311,1cyclictest20379-21x2golistsession09:58:591
2601399130,13cyclictest0-21swapper/111:20:591
2601399130,0cyclictest0-21swapper/109:53:091
26012991313,0cyclictest0-21swapper/009:51:400
2601299130,13cyclictest0-21swapper/011:24:110
2601299130,13cyclictest0-21swapper/009:58:100
2601299130,13cyclictest0-21swapper/009:58:100
2601299130,13cyclictest0-21swapper/008:35:200
264599120,1rtkit-daemon2644-21rtkit-daemon11:28:320
26013991212,0cyclictest0-21swapper/109:41:081
26013991212,0cyclictest0-21swapper/109:35:181
26013991212,0cyclictest0-21swapper/108:41:281
26013991210,1cyclictest23285-21x2golistsession11:30:391
2601399120,12cyclictest0-21swapper/111:05:491
2601399120,12cyclictest0-21swapper/107:47:581
2601399120,12cyclictest0-21swapper/107:23:281
2601399120,12cyclictest0-21swapper/107:04:281
26012991212,0cyclictest0-21swapper/011:13:300
26012991212,0cyclictest0-21swapper/011:08:200
26012991212,0cyclictest0-21swapper/011:02:500
26012991212,0cyclictest0-21swapper/010:57:200
26012991212,0cyclictest0-21swapper/010:04:200
26012991212,0cyclictest0-21swapper/009:27:000
26012991212,0cyclictest0-21swapper/009:04:400
26012991212,0cyclictest0-21swapper/008:46:400
26012991212,0cyclictest0-21swapper/008:01:400
26012991210,1cyclictest11476-21x2golistsession10:37:000
2601299120,12cyclictest0-21swapper/007:53:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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