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2024-02-24 - 01:32
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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: ondemand
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack8slot7.osadl.org (updated Fri Feb 23, 2024 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28062992321,1cyclictest0-21swapper/008:50:250
28062991916,2cyclictest32662-21x2golistsession12:33:560
28062991916,2cyclictest32662-21x2golistsession12:33:550
2806299190,1cyclictest0-21swapper/010:22:360
28063991817,1cyclictest0-21swapper/109:59:351
28063991615,1cyclictest0-21swapper/112:04:561
28062991615,1cyclictest0-21swapper/010:53:060
28063991312,1cyclictest0-21swapper/109:24:561
2806299133,6cyclictest0-21swapper/010:55:570
28062991312,1cyclictest0-21swapper/011:41:450
2806299131,10cyclictest32352-21diskmemload11:11:530
2806399127,3cyclictest13264-21x2gosqlitewrapp11:01:341
2806399122,8cyclictest8411-21x2golistsession11:49:281
2806399121,4cyclictest903-21x2golistsession08:15:001
2806299122,8cyclictest11751-21x2gosqlitewrapp11:25:380
28062991211,1cyclictest0-21swapper/007:19:260
2806399118,2cyclictest4063-21x2golistsession10:29:321
2806399117,2cyclictest32352-21diskmemload10:19:531
2806399112,2cyclictest5390-21x2gosqlitewrapp09:39:401
2806399111,3cyclictest30581-21x2gosqlitewrapp09:33:451
2806399111,2cyclictest27820-21x2gosqlitewrapp10:47:481
2806399111,2cyclictest24621-21x2golistsession09:54:561
28063991110,1cyclictest0-21swapper/110:40:051
2806299118,2cyclictest8366-21perl07:30:220
2806299117,2cyclictest6775-21x2golistsession09:15:190
2806299117,2cyclictest32352-21diskmemload09:26:120
2806299115,4cyclictest12656-21x2gosqlitewrapp11:52:130
2806299113,1cyclictest0-21swapper/009:23:160
2806299112,3cyclictest14563-21x2golistsession10:11:420
2806299111,6cyclictest5144-21x2gosqlitewrapp11:46:030
2806299111,3cyclictest10068-21x2gosqlitewrapp10:08:420
2806299111,2cyclictest26319-21diskstats09:30:210
2806399107,2cyclictest6155-21x2golistsession07:25:311
2806399107,2cyclictest25249-21hddtemp_smartct10:20:261
2806399106,2cyclictest30334-21x2golistsession11:15:251
2806399106,2cyclictest17925-21x2golistsession11:56:061
2806399106,2cyclictest15499-21x2gosqlitewrapp10:38:111
2806399103,2cyclictest217-21systemd-journal08:58:381
2806399102,6cyclictest32608-21x2gosqlitewrapp09:10:071
2806399101,7cyclictest6243-21x2gosqlitewrapp10:05:271
2806399101,7cyclictest4703-21x2golistsession10:30:041
2806399101,7cyclictest4138-21x2gosqlitewrapp12:10:331
2806399101,7cyclictest32352-21diskmemload09:25:241
2806399101,7cyclictest30133-21x2gosqlitewrapp10:50:031
2806399101,7cyclictest25241-21x2golistsession11:10:481
2806399101,7cyclictest16413-21x2golistsession08:40:271
2806399101,7cyclictest11027-21ntp_states11:25:271
2806399101,4cyclictest15006-21x2gosqlitewrapp11:54:421
2806399101,2cyclictest8568-21x2golistsession10:58:191
2806399101,2cyclictest8567-21x2golistsession12:15:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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