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2024-04-19 - 10:37
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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 rackaslot0.osadl.org (updated Fri Apr 19, 2024 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1772921230,0sleep117713-21sshd22:24:171
161382980,1sleep119-21rcuc/122:52:381
152572980,1sleep22606-21diskmemload21:21:252
169692930,1sleep3979999cyclictest00:05:043
273162880,1sleep127299-21sshd23:03:481
231592880,1sleep01784-21runrttasks23:49:420
181432840,1sleep11784-21runrttasks21:50:491
181432840,1sleep11784-21runrttasks21:50:491
153602770,12sleep0120050irq/25-eth022:13:470
940026528,19sleep20-21swapper/219:08:162
182422650,0sleep30-21swapper/323:56:593
28012640,0sleep30-21swapper/322:49:003
934426226,18sleep00-21swapper/019:07:340
229192620,1sleep20-21swapper/223:08:312
230872610,1sleep31784-21runrttasks22:06:373
201682610,0sleep120169-21sshd23:15:551
206382600,0sleep31547-21nfsd22:03:563
112592600,0sleep10-21swapper/122:26:181
938425924,32sleep10-21swapper/119:08:031
131692590,1sleep213140-21sshd21:29:182
141212580,1sleep214115-21bash21:58:182
75102570,0sleep10-21swapper/123:07:161
57532570,0sleep15751-21bash21:25:561
28102570,1sleep22809-21sshd00:31:392
9562560,1sleep01784-21runrttasks22:33:150
51412560,0sleep35139-21sshd23:22:293
248982560,1sleep024881-21sshd23:57:330
139432560,1sleep313917-21sshd23:38:403
58722550,0sleep00-21swapper/022:59:340
919625432,18sleep30-21swapper/319:05:483
311482540,0sleep20-21swapper/200:03:272
181982540,0sleep318175-21sshd21:13:443
122562530,1sleep00-21swapper/023:41:010
298252520,1sleep329806-21sshd21:20:023
322992510,0sleep00-21swapper/022:38:240
239302510,0sleep121-21ksoftirqd/121:24:511
228502510,1sleep21784-21runrttasks00:39:332
58062500,1sleep010-21rcuc/000:23:120
30052500,1sleep23004-21sshd23:40:192
270282500,0sleep20-21swapper/221:14:282
266012500,0sleep010-21rcuc/021:43:450
239012500,0sleep10-21swapper/122:17:001
101502490,1sleep31784-21runrttasks22:57:183
65412480,0sleep20-21swapper/223:38:022
277802480,0sleep10-21swapper/123:47:281
99262470,0sleep10-21swapper/100:07:101
248632470,0sleep10-21swapper/100:36:391
136282470,0sleep10-21swapper/121:47:561
241632460,0sleep10-21swapper/121:35:301
127562460,0sleep00-21swapper/021:26:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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