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2026-05-15 - 03:45
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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 Fri May 15, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
710021490,0sleep20-21swapper/200:14:262
2148621380,0sleep70-21swapper/700:11:437
967721280,1sleep79676-21sshd22:05:527
1447621180,0sleep40-21swapper/422:02:444
210742910,0sleep20-21swapper/221:34:052
118132840,0sleep50-21swapper/500:30:085
214912820,0sleep20-21swapper/223:37:242
214912820,0sleep20-21swapper/223:37:242
47312810,1sleep30-21swapper/322:12:293
47312810,1sleep30-21swapper/322:12:293
313542800,0sleep30-21swapper/323:07:033
28812800,1sleep20-21swapper/221:45:022
252712800,0sleep40-21swapper/423:13:374
232322800,1sleep40-21swapper/422:56:224
177872800,1sleep60-21swapper/621:30:256
176372790,1sleep60-21swapper/622:02:546
12882780,1sleep1221rcuc/122:22:371
67752760,0sleep70-21swapper/723:31:287
67752760,0sleep70-21swapper/723:31:287
53072760,0sleep30-21swapper/322:36:343
45862760,1sleep70-21swapper/721:22:567
197072760,0sleep40-21swapper/423:45:514
176982760,1sleep7761rcuc/722:04:407
165952760,0sleep50-21swapper/500:28:405
105352760,1sleep00-21swapper/023:57:250
35442750,1sleep6671rcuc/621:29:446
235462750,1sleep60-21swapper/623:30:386
235462750,1sleep60-21swapper/623:30:386
135212750,0sleep40-21swapper/421:55:474
302492740,1sleep71-21systemd22:24:117
230022740,1sleep40-21swapper/421:40:564
318152730,1sleep031814-21bash23:32:490
318152730,1sleep031814-21bash23:32:490
119492730,0sleep7761rcuc/721:42:047
247532720,0sleep20-21swapper/223:44:292
247532720,0sleep20-21swapper/223:44:292
233562720,0sleep023349-21cp22:01:280
229912720,1sleep51051-21sshd23:03:125
173152720,0sleep60-21swapper/623:38:566
173152720,0sleep60-21swapper/623:38:566
12922720,3sleep62374099cyclictest21:10:446
96882710,0sleep60-21swapper/623:17:566
301392710,0sleep30-21swapper/323:10:243
54182700,0sleep10-21swapper/100:29:481
326352700,1sleep132603-21sshd23:19:111
293352700,0sleep20-21swapper/222:12:042
293352700,0sleep20-21swapper/222:12:032
140352700,0sleep081ktimersoftd/023:00:590
98682690,0sleep00-21swapper/000:02:300
156842680,1sleep315683-21sshd00:02:493
13462680,0sleep50-21swapper/500:39:465
39572670,0sleep50-21swapper/522:26:105
39572670,0sleep50-21swapper/522:26:105
288052670,0sleep728795-21bash21:25:537
224762670,0sleep40-21swapper/423:20:184
129252670,0sleep00-21swapper/000:18:090
54732660,0sleep45449-21sshd22:46:524
318232660,0sleep30-21swapper/322:01:553
157552660,0sleep10-21swapper/122:31:591
94982630,4sleep12370899cyclictest23:33:221
94982630,4sleep12370899cyclictest23:33:221
120262630,1sleep712025-21sshd21:55:427
257002610,0sleep1221rcuc/123:10:141
187042600,0sleep40-21swapper/421:37:204
266122570,1sleep451-21ksoftirqd/400:35:524
305202550,0sleep10-21swapper/100:37:501
105692550,0sleep50-21swapper/521:47:075
2344525141,6sleep70-21swapper/719:09:407
2347225040,6sleep50-21swapper/519:09:555
2345925029,16sleep10-21swapper/119:09:511
325892490,4sleep32372199cyclictest21:27:493
299942490,4sleep22371499cyclictest21:44:472
2326724927,7sleep60-21swapper/619:07:246
2342024737,6sleep00-21swapper/019:09:180
2328224726,6sleep20-21swapper/219:07:352
2342324434,6sleep30-21swapper/319:09:213
2334124332,7sleep40-21swapper/419:08:184
302352350,0sleep630236-21grep21:15:426
114382340,0sleep20-21swapper/223:55:432
144132330,1sleep714409-21bash22:30:127
80182270,0sleep00-21swapper/000:36:360
310862250,1sleep531069-21sshd00:03:395
51232240,1sleep3411ktimersoftd/322:46:513
255132240,0sleep50-21swapper/523:53:055
2371499240,5cyclictest0-21swapper/220:51:272
192822240,0sleep50-21swapper/522:42:295
171732240,1sleep3681-21dbus-daemon23:04:393
130172240,0sleep30-21swapper/323:31:483
130172240,0sleep30-21swapper/323:31:483
98962230,0sleep21-21systemd22:55:402
2371499230,4cyclictest0-21swapper/220:48:232
196842230,1sleep233-21ksoftirqd/223:33:552
196842230,1sleep233-21ksoftirqd/223:33:552
2370499220,0cyclictest0-21swapper/021:12:590
227022220,1sleep70-21swapper/723:06:357
200772220,1sleep720079-21bash23:39:057
200772220,1sleep720079-21bash23:39:057
127302220,1sleep20-21swapper/222:18:052
127302220,1sleep20-21swapper/222:18:052
126892220,1sleep60-21swapper/622:23:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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