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2026-01-12 - 00:46
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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 Sun Jan 11, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155221370,1sleep20-21swapper/207:05:262
320921000,1sleep20-21swapper/210:51:032
135862980,2sleep0266799cyclictest10:40:230
150902960,0sleep315087-21sshd11:06:353
17972870,0sleep20-21swapper/211:14:072
92442620,2sleep00-21swapper/009:50:550
51612600,1sleep15162-21sshd12:12:081
246742600,1sleep28-21rcu_preempt09:14:482
211212600,1sleep021098-21sshd12:25:160
64302590,0sleep30-21swapper/310:57:093
233752590,1sleep323372-21bash09:11:443
92692580,0sleep010-21rcuc/009:30:360
233012580,1sleep119-21rcuc/111:01:311
299562570,0sleep2291ktimersoftd/211:45:242
281852560,0sleep20-21swapper/212:28:502
279942560,1sleep228-21rcuc/211:27:572
254542560,0sleep00-21swapper/012:31:250
241532560,1sleep024151-21bash11:16:010
21632550,1sleep01734-21runrttasks10:50:570
125762550,1sleep20-21swapper/209:22:162
108802550,0sleep00-21swapper/010:25:440
98542540,0sleep30-21swapper/309:22:013
220342540,0sleep00-21swapper/012:07:530
200825427,9sleep10-21swapper/107:07:111
176922540,0sleep117691-21sshd12:25:021
219452530,0sleep10-21swapper/111:27:241
306222520,1sleep330621-21bash09:18:093
229522520,1sleep122950-21cstates11:10:131
35002510,0sleep00-21swapper/012:11:580
286762510,0sleep028668-21rm09:46:540
271492510,2sleep010-21rcuc/010:21:280
263372510,0sleep226335-21bash10:56:002
196125128,19sleep00-21swapper/007:06:500
193232510,0sleep30-21swapper/311:41:363
189125128,9sleep30-21swapper/307:06:203
31242490,0sleep20-21swapper/212:17:532
248462490,0sleep30-21swapper/311:13:163
141512490,1sleep014149-21sshd12:15:540
233452480,0sleep30-21swapper/312:08:003
216852480,0sleep20-21swapper/211:44:472
134712480,0sleep01734-21runrttasks08:28:590
56242470,0sleep30-21swapper/311:20:133
201622470,0sleep30-21swapper/310:52:363
100092470,1sleep010011-21ntpq07:20:190
252682450,0sleep00-21swapper/011:53:470
266999250,24cyclictest0-21swapper/209:18:262
115292250,1sleep00-21swapper/011:26:270
24492240,1sleep32438-21sshd10:01:563
100012240,0sleep310002-21sshd09:33:393
2667992321,1cyclictest9722-21sshd09:59:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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