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2025-06-16 - 13:58
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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 rack0slot7.osadl.org (updated Mon Jun 16, 2025 00:46:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43042499385383,2cyclictest447191-21kworker/u64:4+events_unbound19:44:1215
43042499385383,2cyclictest447191-21kworker/u64:4+events_unbound19:44:1115
43039499374371,3cyclictest0-21swapper/019:44:110
43039499374371,3cyclictest0-21swapper/019:44:110
43043999347347,0cyclictest0-21swapper/1419:44:116
43043999347347,0cyclictest0-21swapper/1419:44:116
43039799330330,0cyclictest0-21swapper/119:44:111
43039799330330,0cyclictest0-21swapper/119:44:111
43042099305304,1cyclictest2037-21snmpd19:44:1114
43042099305304,1cyclictest2037-21snmpd19:44:1114
430439993010,300cyclictest0-21swapper/1419:50:586
43042999301299,1cyclictest0-21swapper/1119:10:053
43043399296296,0cyclictest0-21swapper/1223:44:474
43043399296296,0cyclictest0-21swapper/1221:44:394
43043399296296,0cyclictest0-21swapper/1219:49:104
43043399296295,1cyclictest0-21swapper/1219:13:254
43040499296292,3cyclictest12079-21Xorg19:10:059
43043399295295,0cyclictest0-21swapper/1223:25:574
43043399295295,0cyclictest0-21swapper/1223:03:154
43043399295295,0cyclictest0-21swapper/1223:03:154
43043399295295,0cyclictest0-21swapper/1221:21:564
43043399295295,0cyclictest0-21swapper/1221:00:004
43043399295295,0cyclictest0-21swapper/1219:41:214
43043399295295,0cyclictest0-21swapper/1219:41:214
43043399295295,0cyclictest0-21swapper/1219:39:254
43043399294294,0cyclictest0-21swapper/1200:11:324
43041499293291,1cyclictest472539-21kworker/u64:6+events_unbound19:50:5812
430394992920,283cyclictest0-21swapper/022:57:570
43039499291283,7cyclictest12079-21Xorg20:00:490
430394992910,1cyclictest0-21swapper/021:05:340
43040099290281,5cyclictest30141-21Renderer19:42:138
43040099290281,5cyclictest30141-21Renderer19:42:138
43039499290281,6cyclictest30141-21Renderer00:18:090
43040099289282,3cyclictest12079-21Xorg00:30:048
43039499289282,6cyclictest12079-21Xorg19:35:570
43039499289280,8cyclictest12079-21Xorg23:24:370
430394992890,288cyclictest0-21swapper/000:07:060
430394992890,1cyclictest0-21swapper/021:28:070
43043399288282,5cyclictest30141-21Renderer20:55:144
43042799288284,3cyclictest30141-21Renderer22:53:532
430427992880,1cyclictest0-21swapper/1021:51:442
430427992880,1cyclictest0-21swapper/1019:49:582
43042099288282,5cyclictest30141-21Renderer22:59:0014
43042099288282,5cyclictest30141-21Renderer19:32:0414
43041799288282,5cyclictest12079-21Xorg20:20:3113
43041799288281,6cyclictest30141-21Renderer22:13:4213
43041499288283,4cyclictest30141-21Renderer19:58:2012
43039799288282,5cyclictest30141-21Renderer23:06:161
43039799288282,5cyclictest30141-21Renderer23:06:161
43042999287282,4cyclictest30141-21Renderer21:21:343
43042999287282,4cyclictest30141-21Renderer00:28:243
43042999287282,4cyclictest30141-21Renderer00:28:233
43042499287283,3cyclictest12079-21Xorg20:58:0315
43042099287282,4cyclictest30141-21Renderer19:28:0014
43041799287282,4cyclictest30141-21Renderer00:00:0813
43041799287281,5cyclictest12338-21gnome-shell23:23:5813
43041499287282,4cyclictest30141-21Renderer20:03:2012
43040499287281,5cyclictest30141-21Renderer21:17:269
43040099287281,5cyclictest30141-21Renderer19:37:118
43040099287281,4cyclictest30141-21Renderer19:33:038
43039799287281,5cyclictest12079-21Xorg21:24:151
430397992870,1cyclictest0-21swapper/120:47:231
430397992870,1cyclictest0-21swapper/120:47:231
43039499287278,8cyclictest30141-21Renderer23:11:050
430394992870,286cyclictest0-21swapper/020:56:530
430394992870,286cyclictest0-21swapper/000:39:050
430433992860,1cyclictest0-21swapper/1219:52:084
43042999286281,4cyclictest12079-21Xorg21:53:293
43042799286282,3cyclictest30141-21Renderer23:16:392
43042799286280,5cyclictest30141-21Renderer21:47:392
43042499286280,5cyclictest12079-21Xorg00:12:5215
430424992861,1cyclictest0-21swapper/921:24:1615
430424992860,1cyclictest0-21swapper/923:07:0215
430424992860,1cyclictest0-21swapper/923:07:0115
43042099286281,4cyclictest30141-21Renderer19:38:1314
43041799286280,5cyclictest30141-21Renderer23:59:5513
43041499286282,3cyclictest12079-21Xorg23:26:5812
43041499286280,5cyclictest30141-21Renderer22:17:4712
43041499286280,5cyclictest30141-21Renderer22:17:4612
43040799286282,3cyclictest30141-21Renderer22:47:2610
43040799286282,3cyclictest12079-21Xorg21:42:5910
43040499286282,3cyclictest30141-21Renderer19:57:179
430404992860,1cyclictest0-21swapper/320:11:589
43040099286281,4cyclictest30141-21Renderer19:21:598
430400992860,1cyclictest0-21swapper/200:24:168
43039799286282,3cyclictest30141-21Renderer00:21:381
43039799286282,3cyclictest0-21swapper/119:11:341
43039799286280,5cyclictest12079-21Xorg23:41:001
430439992850,283cyclictest0-21swapper/1423:50:536
43043399285280,4cyclictest12079-21Xorg22:54:594
43042999285278,6cyclictest12079-21Xorg19:45:203
43042499285281,3cyclictest30141-21Renderer20:52:2715
43042499285281,3cyclictest12338-21gnome-shell21:05:5815
43042099285279,6cyclictest12079-21Xorg23:43:5814
430420992850,284cyclictest0-21swapper/800:13:2414
43041499285280,4cyclictest12079-21Xorg20:54:1412
43041099285280,4cyclictest30141-21Renderer21:15:5011
43041099285280,4cyclictest12079-21Xorg19:15:3611
43040799285280,4cyclictest12079-21Xorg21:38:3710
43040799285279,5cyclictest30141-21Renderer19:55:4110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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