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2024-05-29 - 07:12
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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 50 highest latencies:
System rackcslot4.osadl.org (updated Wed May 29, 2024 00:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30730512324284,25sleep10-21swapper/119:06:531
30729612287245,28sleep00-21swapper/019:05:550
310734521000,1chrt3107030-21https20:30:020
159199710,3rtkit-daemon1590-21rtkit-daemon00:29:351
31214932680,3chrt161rcuc/021:05:000
159199670,3rtkit-daemon1590-21rtkit-daemon00:36:041
31511142560,4sleep10-21swapper/121:49:101
307360399543,6cyclictest3166482-21apt-get22:10:160
307360399522,7cyclictest3113461-21apt-get20:45:130
159199520,4rtkit-daemon1590-21rtkit-daemon21:25:581
307360399513,6cyclictest3097125-21apt-get20:05:130
307360399512,12cyclictest3127342-21apt-get21:15:130
307360399502,6cyclictest3144834-21apt-get21:40:130
307360399501,10cyclictest3115407-21apt-get20:50:110
307360399492,9cyclictest3218427-21apt-get23:25:110
159199490,4rtkit-daemon1590-21rtkit-daemon21:52:121
31473012450,2sleep13147303-21sh21:43:171
159199440,5rtkit-daemon1590-21rtkit-daemon23:54:561
159199420,4rtkit-daemon1590-21rtkit-daemon22:43:281
159199410,11rtkit-daemon3078360-21apt-config19:20:001
30967122390,25sleep126-21ksoftirqd/120:04:171
307360399382,15cyclictest3265797-21apt-get00:35:130
159199380,5rtkit-daemon3217955-21ssh23:24:281
159199380,4rtkit-daemon3104521-21lsb_release20:21:000
159199380,3rtkit-daemon0-21swapper/122:45:091
307360399372,7cyclictest3211575-21apt-get23:15:130
307360399372,13cyclictest3105115-21apt-get20:25:120
159199370,5rtkit-daemon3170301-21perl22:15:181
159199370,4rtkit-daemon3184742-21ntpq22:35:281
159199370,4rtkit-daemon0-21swapper/123:28:211
159199370,3rtkit-daemon0-21swapper/123:41:541
307360399362,8cyclictest3117743-21apt-get20:55:120
159199360,4rtkit-daemon1590-21rtkit-daemon22:13:421
159199360,3rtkit-daemon0-21swapper/123:04:351
159199360,3rtkit-daemon0-21swapper/122:31:121
159199360,3rtkit-daemon0-21swapper/100:03:091
307360399353,8cyclictest3109540-21apt-get20:35:140
307360399353,7cyclictest3207919-21apt-get23:10:130
307360399352,12cyclictest3183928-21apt-get22:35:140
3073603993512,6cyclictest3092645-21seq19:54:210
159199350,4rtkit-daemon1590-21rtkit-daemon23:58:481
159199350,4rtkit-daemon1590-21rtkit-daemon23:13:511
159199350,4rtkit-daemon1590-21rtkit-daemon22:01:001
159199350,3rtkit-daemon0-21swapper/119:55:151
159199350,3rtkit-daemon0-21swapper/119:54:231
159199350,3rtkit-daemon0-21swapper/022:56:441
159199350,3rtkit-daemon0-21swapper/020:18:241
307360399343,9cyclictest3099079-21apt-get20:10:150
159199340,5rtkit-daemon809-21runrttasks00:11:170
159199340,4rtkit-daemon1590-21rtkit-daemon00:21:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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