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2026-06-14 - 02:40
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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 rack5slot0.osadl.org (updated Sun Jun 14, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2747821230,4sleep23268499cyclictest23:11:352
59521190,1sleep03268299cyclictest21:21:570
3218429432,49sleep30-21swapper/319:07:073
324282900,2sleep20-21swapper/223:19:362
169052900,2sleep10-21swapper/122:45:301
16962870,1sleep041ktimersoftd/021:18:170
3227228633,49sleep10-21swapper/119:08:061
221622810,2sleep20-21swapper/223:29:152
25032800,1sleep10-21swapper/121:36:491
226132800,2sleep322604-21sshd21:24:213
90632790,1sleep10-21swapper/121:34:081
88262790,2sleep10-21swapper/122:01:331
274452790,2sleep10-21swapper/123:15:271
12152770,2sleep20-21swapper/222:36:142
282172760,1sleep30-21swapper/323:52:163
274572760,1sleep227459-21id22:17:212
219282760,3sleep13268399cyclictest23:59:071
92242750,1sleep20-21swapper/223:45:582
242912720,2sleep20-21swapper/222:53:492
242912720,2sleep20-21swapper/222:53:482
40482710,2sleep20-21swapper/223:56:442
158912710,0sleep00-21swapper/022:02:210
144192710,3sleep30-21swapper/321:27:093
132012710,1sleep03268299cyclictest22:23:040
96732700,2sleep29665-21sshd22:44:462
227342680,3sleep23268499cyclictest21:45:482
3231525833,13sleep00-21swapper/019:08:360
3211825733,10sleep20-21swapper/219:06:222
77482530,1sleep20-21swapper/223:23:542
127972410,1sleep041ktimersoftd/022:12:220
177392280,2sleep10-21swapper/119:45:231
140412280,4sleep23268499cyclictest00:09:492
7362270,24sleep2144650irq/27-eth000:23:102
195332270,1sleep30-21swapper/321:55:473
121602270,1sleep30-21swapper/300:20:373
230572260,1sleep023051-21sshd21:59:440
21942260,6sleep33268599cyclictest22:04:243
20902260,0sleep03-21ksoftirqd/000:30:200
259642240,2sleep20-21swapper/200:18:442
17992240,1sleep10-21swapper/122:55:071
3268499235,10cyclictest1153-21sshd22:47:212
325242220,0sleep00-21swapper/023:26:270
185972220,2sleep318591-21sshd22:23:393
3268299210,20cyclictest144650irq/27-eth023:00:390
198852211,17sleep2144650irq/27-eth023:36:012
59802202,16sleep2144650irq/27-eth022:25:402
3268499202,14cyclictest153250irq/28-eth1-rx-22:58:332
32682992018,1cyclictest0-21swapper/020:47:210
211512200,18sleep2144650irq/27-eth000:39:362
3268499191,8cyclictest0-21swapper/222:07:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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