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2024-11-25 - 16:57
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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 Mon Nov 25, 2024 12:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2915626225,19sleep20-21swapper/207:07:242
277252620,0sleep10-21swapper/112:09:071
265652610,0sleep00-21swapper/011:21:190
298582600,1sleep21546-21nfsd11:06:152
42052590,0sleep00-21swapper/011:58:500
316112590,1sleep231596-21sshd09:21:162
16672590,1sleep01662-21sshd10:28:080
261672560,1sleep01774-21runrttasks09:35:000
172562560,0sleep10-21swapper/112:27:301
155142550,1sleep115513-21sshd10:05:301
250372540,0sleep10-21swapper/111:30:061
151622540,1sleep315163-21sshd11:14:103
43642530,0sleep24362-21sshd11:28:202
9732520,0sleep00-21swapper/012:34:260
210012520,0sleep020995-21sshd09:41:340
135902520,1sleep20-21swapper/210:19:142
229422510,5sleep03-21ksoftirqd/010:58:570
2901425028,18sleep00-21swapper/007:05:380
117332500,0sleep30-21swapper/310:43:293
305492490,1sleep130545-21bash11:24:531
2905924928,18sleep10-21swapper/107:06:101
288982490,0sleep122314-21diskmemload10:31:141
200852490,1sleep010-21rcuc/012:14:000
2924224827,18sleep30-21swapper/307:08:293
117222480,1sleep30-21swapper/312:35:183
102212480,0sleep20-21swapper/211:31:322
245982470,0sleep10-21swapper/112:03:201
188982470,0sleep20-21swapper/210:47:412
68962460,0sleep36895-21bash10:39:203
295032460,0sleep20-21swapper/210:31:182
210982460,1sleep11774-21runrttasks09:05:171
125722460,0sleep312569-21sshd11:34:363
193662450,0sleep30-21swapper/312:05:343
18452450,1sleep222314-21diskmemload11:55:472
6572440,1sleep00-21swapper/010:24:350
184412440,0sleep20-21swapper/209:12:592
230142430,0sleep122314-21diskmemload10:13:111
153772410,0sleep20-21swapper/209:19:402
138012400,5sleep121-21ksoftirqd/111:45:451
2962199342,29cyclictest0-21swapper/012:25:470
2962199320,22cyclictest0-21swapper/012:23:280
2962199301,9cyclictest0-21swapper/009:28:390
2962199290,27cyclictest0-21swapper/012:37:070
2962199272,21cyclictest0-21swapper/009:18:510
29621992615,4cyclictest0-21swapper/010:32:190
2962199260,19cyclictest0-21swapper/009:20:230
306562250,1sleep10-21swapper/112:20:211
2962199253,22cyclictest0-21swapper/010:38:150
2962199253,22cyclictest0-21swapper/008:34:280
2962199252,22cyclictest0-21swapper/011:40:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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