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2024-04-23 - 20:26
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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
Characteristics of the 50 highest latencies:
System rack2slot0.osadl.org (updated Tue Apr 23, 2024 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225462990,1sleep022445-21sshd11:50:320
113592870,0sleep30-21swapper/310:43:033
113592870,0sleep30-21swapper/310:43:023
230152730,0sleep00-21swapper/011:47:230
315862580,0sleep30-21swapper/310:00:413
130782580,1sleep313072-21bash09:22:403
296602550,0sleep129653-21sshd09:21:061
182582550,0sleep20-21swapper/211:08:562
164422550,1sleep116441-21grep10:21:451
34522540,2sleep22930299cyclictest09:15:172
126092540,0sleep10-21swapper/111:08:231
36972530,1sleep23691-21lspci10:11:022
35162530,0sleep30-21swapper/310:39:143
210112530,1sleep021004-21sshd10:31:260
199242530,1sleep319896-21sshd11:15:183
271412510,2sleep12930199cyclictest10:10:121
173492510,0sleep00-21swapper/012:30:490
107762510,0sleep10-21swapper/111:04:551
70772500,0sleep00-21swapper/012:01:500
325862500,0sleep20-21swapper/212:01:082
261422500,1sleep326135-21sshd12:10:023
209682500,0sleep00-21swapper/010:47:080
115512500,0sleep10-21swapper/111:52:421
9332490,1sleep2927-21sshd09:51:112
65502480,0sleep00-21swapper/010:39:300
81322470,0sleep10-21swapper/110:17:531
2886724735,7sleep10-21swapper/107:06:021
283432470,0sleep20-21swapper/211:57:302
160612470,0sleep00-21swapper/011:43:350
59732460,0sleep00-21swapper/011:26:330
221542460,0sleep30-21swapper/312:21:553
285042430,2sleep32930399cyclictest11:57:323
262502390,0sleep00-21swapper/009:57:010
189652390,0sleep00-21swapper/012:37:090
2739923210,7sleep00-21swapper/007:05:080
289572297,7sleep20-21swapper/207:07:112
2829922310,7sleep30-21swapper/307:05:393
236082190,0sleep20-21swapper/209:10:542
264372180,1sleep30-21swapper/310:53:473
143582170,0sleep10-21swapper/112:08:561
6642160,0sleep0648-21systemd-logind11:19:480
29301991616,0cyclictest17914-21kworker/1:110:27:101
29301991615,0cyclictest5053-21lspci10:07:421
29301991614,1cyclictest13200-21kworker/1:009:30:171
212932160,0sleep10-21swapper/112:21:481
32042150,1sleep00-21swapper/012:23:110
2930399150,12cyclictest12564-21sshd11:08:233
2930299150,13cyclictest1-21systemd10:45:012
2930299150,13cyclictest1-21systemd10:45:002
29301991515,0cyclictest26501-21kworker/1:309:29:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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