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2024-05-27 - 18:22
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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 rackcslot4.osadl.org (updated Mon May 27, 2024 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8386672270191,28sleep00-21swapper/019:07:350
8373782242199,28sleep10-21swapper/119:05:211
9391762660,4sleep0939011-21latency_hist22:20:000
159199620,3rtkit-daemon0-21swapper/122:31:011
159199600,3rtkit-daemon1590-21rtkit-daemon21:45:111
159199570,5rtkit-daemon930594-21ssh22:07:211
159199570,5rtkit-daemon926828-21chrt22:02:031
159199570,3rtkit-daemon1590-21rtkit-daemon19:15:011
159199560,3rtkit-daemon0-21swapper/122:27:111
159199550,5rtkit-daemon934025-21ssh22:11:481
159199550,4rtkit-daemon983464-21apt-get23:20:121
159199550,3rtkit-daemon0-21swapper/121:26:351
159199540,4rtkit-daemon981519-21ssh23:16:141
159199540,4rtkit-daemon1590-21rtkit-daemon00:23:311
159199540,3rtkit-daemon0-21swapper/123:10:311
159199540,3rtkit-daemon0-21swapper/121:50:541
159199540,3rtkit-daemon0-21swapper/121:44:511
159199540,3rtkit-daemon0-21swapper/120:10:241
159199540,3rtkit-daemon0-21swapper/119:26:191
159199540,3rtkit-daemon0-21swapper/100:03:261
159199530,4rtkit-daemon1590-21rtkit-daemon21:33:081
159199530,3rtkit-daemon1590-21rtkit-daemon23:51:341
159199530,3rtkit-daemon0-21swapper/123:30:241
159199530,3rtkit-daemon0-21swapper/123:04:481
159199530,3rtkit-daemon0-21swapper/121:58:271
159199530,3rtkit-daemon0-21swapper/120:51:041
159199530,3rtkit-daemon0-21swapper/119:51:221
159199530,3rtkit-daemon0-21swapper/119:45:131
159199530,3rtkit-daemon0-21swapper/100:07:551
159199520,4rtkit-daemon1590-21rtkit-daemon23:09:141
159199520,3rtkit-daemon1590-21rtkit-daemon21:11:071
159199520,3rtkit-daemon0-21swapper/122:20:301
159199520,3rtkit-daemon0-21swapper/122:16:521
159199520,3rtkit-daemon0-21swapper/121:36:141
159199520,3rtkit-daemon0-21swapper/121:06:001
159199520,3rtkit-daemon0-21swapper/119:44:581
159199520,3rtkit-daemon0-21swapper/100:13:421
159199520,1rtkit-daemon1590-21rtkit-daemon22:59:211
159199510,3rtkit-daemon0-21swapper/123:25:511
159199510,3rtkit-daemon0-21swapper/120:07:131
159199510,3rtkit-daemon0-21swapper/119:56:451
159199510,3rtkit-daemon0-21swapper/119:38:231
159199500,4rtkit-daemon1590-21rtkit-daemon23:42:191
159199500,4rtkit-daemon1590-21rtkit-daemon19:20:171
159199500,3rtkit-daemon1590-21rtkit-daemon22:53:541
159199500,1rtkit-daemon1590-21rtkit-daemon00:25:111
159199490,4rtkit-daemon1590-21rtkit-daemon21:19:111
159199490,4rtkit-daemon1590-21rtkit-daemon20:25:021
159199490,4rtkit-daemon1590-21rtkit-daemon20:25:011
159199490,4rtkit-daemon1590-21rtkit-daemon20:18:081
159199490,3rtkit-daemon0-21swapper/120:55:091
159199490,3rtkit-daemon0-21swapper/119:31:441
159199480,4rtkit-daemon1590-21rtkit-daemon20:31:111
159199470,4rtkit-daemon1590-21rtkit-daemon23:47:101
159199470,4rtkit-daemon1590-21rtkit-daemon22:46:321
159199470,4rtkit-daemon1590-21rtkit-daemon22:37:041
159199470,4rtkit-daemon1590-21rtkit-daemon19:17:001
159199470,3rtkit-daemon0-21swapper/120:03:381
159199460,11rtkit-daemon1027375-21ssh00:20:230
159199450,3rtkit-daemon0-21swapper/023:40:040
159199440,6rtkit-daemon918341-21ntp_states21:50:270
159199440,5rtkit-daemon902756-21apt-get21:30:130
159199440,5rtkit-daemon1024169-21processes00:15:330
159199440,4rtkit-daemon887735-21diskmemload23:19:370
159199440,1rtkit-daemon1590-21rtkit-daemon20:45:371
159199420,4rtkit-daemon992356-21find23:30:290
159199420,1rtkit-daemon1590-21rtkit-daemon20:43:451
159199400,5rtkit-daemon994622-21apt-get23:35:120
159199400,5rtkit-daemon3143951-21snmpd00:02:370
159199400,4rtkit-daemon887735-21diskmemload22:26:170
159199400,13rtkit-daemon0-21swapper/021:20:441
159199380,3rtkit-daemon0-21swapper/122:23:480
159199380,3rtkit-daemon0-21swapper/122:05:590
159199380,3rtkit-daemon0-21swapper/121:44:570
159199380,3rtkit-daemon0-21swapper/121:01:560
159199380,3rtkit-daemon0-21swapper/020:14:360
159199380,13rtkit-daemon0-21swapper/020:39:531
159199380,11rtkit-daemon0-21swapper/000:36:151
159199370,3rtkit-daemon0-21swapper/121:46:010
159199370,3rtkit-daemon0-21swapper/121:35:050
159199370,3rtkit-daemon0-21swapper/121:25:530
159199360,3rtkit-daemon0-21swapper/122:31:210
159199360,3rtkit-daemon0-21swapper/122:13:370
159199360,3rtkit-daemon0-21swapper/121:06:200
159199360,3rtkit-daemon0-21swapper/119:36:570
159199360,14rtkit-daemon0-21swapper/020:24:161
159199350,3rtkit-daemon0-21swapper/100:12:050
159199330,3rtkit-daemon0-21swapper/123:27:400
159199330,3rtkit-daemon0-21swapper/119:45:330
159199330,3rtkit-daemon0-21swapper/100:05:120
838997993219,3cyclictest13-21ksoftirqd/023:00:000
838997993114,6cyclictest13-21ksoftirqd/020:34:140
159199310,3rtkit-daemon0-21swapper/120:52:120
159199310,3rtkit-daemon0-21swapper/119:43:270
159199300,3rtkit-daemon0-21swapper/123:04:270
159199300,3rtkit-daemon0-21swapper/119:59:290
159199300,3rtkit-daemon0-21swapper/119:54:310
838997992920,5cyclictest954064-40apt-check22:40:100
838997992912,6cyclictest13-21ksoftirqd/020:43:470
159199290,3rtkit-daemon0-21swapper/120:03:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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