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2025-12-12 - 21:53
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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 Dec 12, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1782821010,1sleep217825-21sshd23:35:222
75332890,1sleep010-21rcuc/022:59:440
274752860,0sleep127462-21sshd21:37:251
2799625825,19sleep20-21swapper/219:08:182
218772570,0sleep30-21swapper/323:16:463
2787725632,20sleep30-21swapper/319:06:513
2599225633,19sleep00-21swapper/019:05:040
245822560,1sleep024569-21sshd00:26:570
98622550,0sleep11664-21sshd22:02:211
49542550,0sleep30-21swapper/321:19:283
262282550,0sleep326225-21sshd21:25:373
261132550,0sleep20-21swapper/221:25:362
125392530,1sleep212497-21sshd23:00:172
318112520,1sleep331810-21bash23:29:313
2788525228,20sleep10-21swapper/119:06:571
227122520,0sleep10-21swapper/122:46:191
207972520,0sleep00-21swapper/021:25:060
123952520,1sleep31819-21runrttasks19:40:233
136012510,1sleep313588-21sshd22:45:173
66182500,0sleep021086-21diskmemload22:40:370
313812500,0sleep131370-21sshd21:34:051
122222500,0sleep212220-21sshd21:31:412
76082490,0sleep30-21swapper/300:20:393
228212490,0sleep041ktimersoftd/023:24:360
173062490,0sleep10-21swapper/122:18:511
117952490,0sleep00-21swapper/022:48:550
158692480,0sleep30-21swapper/323:46:383
308132470,2sleep00-21swapper/021:14:560
93392460,0sleep20-21swapper/200:20:542
24542460,0sleep20-21swapper/223:22:052
131952460,0sleep213179-21sshd22:49:042
66202440,0sleep10-21swapper/100:04:341
109742430,0sleep00-21swapper/022:29:480
85472420,0sleep228-21rcuc/223:45:442
275832410,0sleep127585-21sshd00:31:181
223752410,0sleep222348-21sshd22:50:082
128112410,0sleep30-21swapper/322:41:243
6752370,0sleep021086-21diskmemload00:00:050
28389993117,13cyclictest23371-21sshd22:07:550
59092280,0sleep15908-21sshd23:07:101
2839099240,23cyclictest0-21swapper/123:49:551
2838999240,23cyclictest0-21swapper/020:03:380
2839099230,22cyclictest0-21swapper/123:58:101
2839299220,21cyclictest0-21swapper/320:40:163
2839299220,21cyclictest0-21swapper/320:30:173
2838999223,9cyclictest0-21swapper/021:41:520
2838999220,21cyclictest0-21swapper/020:42:230
2838999220,21cyclictest0-21swapper/019:16:080
2838999220,21cyclictest0-21swapper/019:13:080
2839099210,20cyclictest0-21swapper/123:00:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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