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2026-05-14 - 10:12
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack0slot0.osadl.org (updated Thu May 14, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1134021540,4sleep33120999cyclictest22:41:273
2902221250,4sleep33120999cyclictest00:29:563
1687021240,0sleep50-21swapper/500:17:235
2797721230,1sleep11-21systemd21:32:161
2454921180,0sleep60-21swapper/621:32:056
2809521150,0sleep70-21swapper/723:38:467
2154621150,2sleep40-21swapper/423:41:474
2959621080,0sleep60-21swapper/623:16:336
166312900,5sleep33120999cyclictest21:41:563
105352900,1sleep40-21swapper/421:24:344
132072870,1sleep613194-21sshd21:14:256
298542860,0sleep70-21swapper/722:42:277
227392830,1sleep70-21swapper/721:42:167
64282820,1sleep36427-21sshd00:18:333
241932820,0sleep20-21swapper/223:26:312
241932820,0sleep20-21swapper/223:26:312
144352820,1sleep414430-21turbostat22:40:004
135852820,0sleep70-21swapper/721:36:397
252182800,1sleep70-21swapper/700:14:287
3572790,1sleep50-21swapper/523:35:315
326342780,6sleep50-21swapper/523:11:355
177482780,0sleep30-21swapper/321:47:093
130962780,1sleep513095-21bash22:12:285
130962780,1sleep513095-21bash22:12:285
123202780,4sleep33120999cyclictest21:12:393
7822770,1sleep1769-21sshd23:01:211
69492770,1sleep26947-21grepconf.sh23:23:582
15072770,0sleep50-21swapper/500:21:405
124702770,0sleep10-21swapper/123:07:061
243032760,1sleep024302-21sshd22:09:420
243032760,1sleep024302-21sshd22:09:420
160622760,1sleep4491rcuc/423:31:134
160622760,1sleep4491rcuc/423:31:134
110912760,0sleep10-21swapper/123:51:301
319302750,1sleep00-21swapper/021:22:140
206812740,0sleep20-21swapper/221:00:122
147582730,0sleep60-21swapper/621:43:356
90112720,0sleep10-21swapper/121:12:281
140692720,0sleep70-21swapper/722:53:337
108862720,0sleep00-21swapper/023:39:350
68172710,1sleep36814-21sshd22:37:513
313952710,0sleep10-21swapper/123:26:541
313952710,0sleep10-21swapper/123:26:541
305082710,1sleep230507-21sshd00:38:292
305082710,1sleep230507-21sshd00:38:282
61902700,0sleep50-21swapper/523:15:195
45582700,1sleep71-21systemd00:06:277
160462700,0sleep30-21swapper/300:01:583
51042690,1sleep70-21swapper/722:03:327
201112690,1sleep420108-21sshd21:13:044
131972690,0sleep10-21swapper/122:41:331
258062680,0sleep60-21swapper/621:15:066
69232670,0sleep60-21swapper/622:44:426
304392670,0sleep50-21swapper/522:21:585
261152670,4sleep43121499cyclictest00:38:144
261152670,4sleep43121499cyclictest00:38:144
16332670,4sleep63122999cyclictest22:08:286
16332670,4sleep63122999cyclictest22:08:276
50252660,0sleep50-21swapper/521:39:425
20412660,0sleep10-21swapper/100:25:041
188762660,4sleep63122999cyclictest21:21:316
72992640,0sleep40-21swapper/423:37:394
252592620,1sleep46804-21gdbus22:21:414
3088026049,7sleep50-21swapper/519:08:485
3072425949,6sleep70-21swapper/719:06:487
2892825936,7sleep60-21swapper/619:05:036
316202570,0sleep40-21swapper/400:31:404
177702560,0sleep20-21swapper/222:07:362
177702560,0sleep20-21swapper/222:07:362
3085525444,6sleep00-21swapper/019:08:270
3096825027,7sleep10-21swapper/119:09:551
3062324938,7sleep40-21swapper/419:05:344
244482450,0sleep30-21swapper/322:59:153
3070724433,7sleep30-21swapper/319:06:373
287172440,1sleep10-21swapper/123:38:481
3073724333,6sleep20-21swapper/219:07:002
283462280,0sleep40-21swapper/423:07:574
271272280,1sleep30-21swapper/323:47:153
207052270,1sleep320690-21bash23:31:283
207052270,1sleep320690-21bash23:31:283
69132250,0sleep60-21swapper/622:29:206
223432250,4sleep63122999cyclictest22:16:226
103432230,0sleep50-21swapper/523:24:095
6102220,0sleep70-21swapper/700:28:237
3119299220,20cyclictest17415-21sshd21:55:390
279642220,1sleep6671rcuc/600:11:076
231092220,4sleep03119299cyclictest00:14:220
61782210,1sleep50-21swapper/522:48:025
295282210,1sleep10-21swapper/122:33:551
243022210,0sleep70-21swapper/700:00:427
181182210,1sleep30-21swapper/322:07:373
181182210,1sleep30-21swapper/322:07:363
99042200,0sleep10-21swapper/122:48:151
82812200,1sleep10-21swapper/123:58:111
57512200,1sleep2311rcuc/200:01:252
31872200,1sleep60-21swapper/623:47:426
3119299200,1cyclictest0-21swapper/020:50:080
3119299200,1cyclictest0-21swapper/020:49:350
248802200,0sleep10-21swapper/100:21:121
223132200,1sleep022314-21cpuspeed_turbos21:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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