You are here: Home / Projects / QA Farm Realtime / Latency plots / 
2021-01-17 - 23:39

Intel(R) Celeron(R) CPU G1620 @ 2.70GHz, Linux 5.4.59-rt36 (Profile)

Latency plot of system in rack #8, slot #7
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 rack8slot7.osadl.org (updated Sun Jan 17, 2021 12:43:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2919899210,1cyclictest22873-21x2golistsession09:48:070
2919899200,19cyclictest0-21swapper/009:52:070
2919999180,1cyclictest0-21swapper/110:20:171
29198991715,1cyclictest30998-21x2golistsession09:05:160
2919899170,17cyclictest0-21swapper/011:26:460
2919899170,16cyclictest0-21swapper/012:05:090
2919999160,15cyclictest0-21swapper/108:45:161
29199991515,0cyclictest0-21swapper/109:30:171
2919899150,14cyclictest0-21swapper/008:57:190
2919899150,0cyclictest0-21swapper/010:19:370
29199991313,0cyclictest0-21swapper/109:18:191
29199991212,0cyclictest0-21swapper/111:56:071
2919899120,11cyclictest0-21swapper/010:55:470
29199991111,0cyclictest0-21swapper/109:02:371
29198991111,0cyclictest0-21swapper/011:03:500
29198991111,0cyclictest0-21swapper/010:35:070
29198991111,0cyclictest0-21swapper/007:12:180
29199991010,0cyclictest0-21swapper/112:10:171
29199991010,0cyclictest0-21swapper/107:33:411
2919899109,0cyclictest0-21swapper/011:33:380
291999999,0cyclictest0-21swapper/108:10:361
291999990,2cyclictest29906-21x2gosqlitewrapp10:02:151
291989993,5cyclictest8291-21munin-run07:29:590
291989990,5cyclictest23920-21munin-run11:45:000
291989990,2cyclictest1111-21apt10:10:000
291989990,1cyclictest4218-21x2gosqlitewrapp07:20:220
291999988,0cyclictest0-21swapper/111:21:471
291999986,1cyclictest8153-21x2golistsession08:25:411
291999985,2cyclictest549-21x2gosqlitewrapp10:08:031
291999985,2cyclictest21220-21hddtemp_smartct09:45:071
291999985,2cyclictest20581-21x2golistsession10:41:371
291999985,2cyclictest1919-21x2gosqlitewrapp07:17:511
291999985,2cyclictest18605-21unixbench_multi07:45:181
291999985,2cyclictest16840-21x2gosqlitewrapp09:37:131
291999985,2cyclictest14703-21x2golistsession11:28:061
291999984,2cyclictest653-21apt08:15:051
291999981,6cyclictest5880-21x2gosqlitewrapp12:09:211
291999980,7cyclictest2685-21x2golistsession09:13:451
291999980,7cyclictest26623-21x2golistsession10:52:351
291989988,0cyclictest0-21swapper/008:27:370
291989988,0cyclictest0-21swapper/007:16:180
291989986,1cyclictest10604-21x2gosqlitewrapp07:32:420
291989985,2cyclictest6070-21x2golistsession08:23:550
291989985,2cyclictest32516-21x2golistsession11:59:390
291989985,2cyclictest29589-21x2golistsession10:01:010
291989985,2cyclictest28536-21x2golistsession09:57:310
291989985,2cyclictest26852-21x2golistsession10:53:290
291989985,2cyclictest20688-21x2golistsession11:38:510
291989985,2cyclictest18779-21x2golistsession07:45:350
291989985,2cyclictest15470-21x2golistsession10:34:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional