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2026-04-26 - 03:13
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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 Apr 26, 2026 00:44:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
610621220,0sleep312426-21diskmemload21:12:123
2912821040,0sleep329129-21sshd23:42:283
301622860,0sleep20-21swapper/222:34:092
300912800,22sleep3115650irq/25-eth000:34:083
6852650,0sleep20-21swapper/223:00:082
47452630,1sleep14718-21sshd22:54:471
166452630,1sleep316646-21bash21:52:543
24332610,2sleep30-21swapper/323:28:463
149252610,1sleep314903-21sshd21:49:583
242852590,0sleep20-21swapper/221:47:532
118552590,0sleep011853-21bash00:32:290
92042580,0sleep30-21swapper/322:12:143
85192570,1sleep38518-21bash22:20:443
301202570,0sleep20-21swapper/200:19:502
140822570,1sleep214069-21sshd21:41:162
50442560,0sleep25032-21sshd23:14:462
126252560,1sleep00-21swapper/023:09:440
11582560,1sleep01130-21sshd21:51:320
239432550,0sleep00-21swapper/023:27:470
149792550,1sleep00-21swapper/000:29:560
91302540,1sleep39129-21sshd00:20:423
30852540,0sleep30-21swapper/300:11:363
152922540,0sleep315288-21sshd22:30:013
133892540,0sleep230-21ksoftirqd/221:27:012
9542530,0sleep1952-21bash21:57:131
471825325,9sleep00-21swapper/019:08:180
193692530,0sleep00-21swapper/021:33:160
158002530,0sleep212426-21diskmemload21:10:152
318912520,0sleep20-21swapper/222:11:202
270862520,1sleep127066-21sshd23:19:351
318392510,0sleep15313-21cyclictest23:51:151
129842510,1sleep10-21swapper/100:18:161
475025028,18sleep20-21swapper/219:08:292
496124926,19sleep10-21swapper/119:09:311
260742490,0sleep30-21swapper/323:16:323
232312490,0sleep10-21swapper/123:36:121
101782490,0sleep20-21swapper/200:03:422
59592480,0sleep20-21swapper/222:06:112
468824826,18sleep30-21swapper/319:08:103
102962470,0sleep110284-21sshd23:32:161
93572460,0sleep01734-21runrttasks22:20:480
139242460,0sleep31734-21runrttasks19:21:103
60542440,0sleep041ktimersoftd/023:23:220
42962440,0sleep30-21swapper/322:51:473
246022440,0sleep324603-21sshd21:42:133
26702430,0sleep20-21swapper/220:51:052
72602230,1sleep07256-21bash21:35:060
213862220,2sleep00-21swapper/022:50:250
531899218,5cyclictest0-21swapper/323:30:053
5317992120,1cyclictest0-21swapper/222:59:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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