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2025-07-15 - 22:33
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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 Tue Jul 15, 2025 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2312121530,4sleep1370799cyclictest11:32:281
1988921280,4sleep3372099cyclictest10:15:193
1511421130,0sleep00-21swapper/010:00:170
2499121080,0sleep60-21swapper/612:39:016
230732880,0sleep00-21swapper/009:56:400
324462790,0sleep50-21swapper/510:21:545
230562790,1sleep30-21swapper/307:50:003
136372770,0sleep00-21swapper/011:26:180
114212770,0sleep30-21swapper/309:26:143
40362750,0sleep30-21swapper/311:05:363
228202750,1sleep61036-21runrttasks11:03:486
204662730,3sleep7374699cyclictest09:56:167
169152730,1sleep10-21swapper/110:34:091
184942720,0sleep20-21swapper/211:17:302
294682710,0sleep00-21swapper/010:11:560
233392710,0sleep10-21swapper/111:18:161
214422710,0sleep60-21swapper/607:45:146
187162710,0sleep50-21swapper/511:41:135
258452700,1sleep60-21swapper/611:23:266
258452700,1sleep60-21swapper/611:23:266
186822700,0sleep60-21swapper/609:36:516
196442690,0sleep60-21swapper/611:41:236
18932690,0sleep11891-21cat09:25:011
122022690,0sleep00-21swapper/012:08:500
37762670,0sleep20-21swapper/212:21:412
180442670,0sleep00-21swapper/010:29:270
294992660,0sleep00-21swapper/011:14:230
179932620,1sleep00-21swapper/010:05:220
343126050,6sleep70-21swapper/707:09:357
325725949,6sleep60-21swapper/607:07:256
212682590,4sleep0370399cyclictest09:42:060
56252580,0sleep30-21swapper/310:37:073
322725633,7sleep30-21swapper/307:06:583
253602540,0sleep20-21swapper/210:30:252
337025242,6sleep40-21swapper/407:08:444
319925029,6sleep20-21swapper/207:06:412
343424636,6sleep10-21swapper/107:09:371
324224635,7sleep00-21swapper/007:07:110
92402440,1sleep61036-21runrttasks10:32:536
331224231,7sleep50-21swapper/507:08:045
9672290,0sleep7374699cyclictest11:05:177
99742270,1sleep50-21swapper/509:16:315
160582250,4sleep2371399cyclictest11:36:052
370799240,23cyclictest0-21swapper/109:25:231
370799233,19cyclictest0-21swapper/109:31:011
110912230,1sleep10-21swapper/110:57:101
269222220,1sleep4501ktimersoftd/411:47:144
129652220,0sleep6671rcuc/612:32:286
31592210,1sleep00-21swapper/012:12:100
153182210,0sleep50-21swapper/509:45:565
153182210,0sleep50-21swapper/509:45:555
44262200,1sleep60-21swapper/611:58:146
370799200,1cyclictest0-21swapper/111:40:331
370799200,1cyclictest0-21swapper/111:37:551
39902190,1sleep451-21ksoftirqd/409:53:564
39902190,1sleep451-21ksoftirqd/409:53:564
282812190,1sleep081ktimersoftd/012:30:050
229122190,0sleep20-21swapper/212:29:182
113582190,1sleep50-21swapper/510:47:365
246162180,1sleep423399-21/usr/sbin/munin07:50:254
24292180,1sleep5581rcuc/511:34:165
227412180,0sleep60-21swapper/609:42:216
161082180,0sleep70-21swapper/711:26:417
370399170,11cyclictest660-21dbus-daemon11:52:580
370399170,11cyclictest0-21swapper/009:13:260
229112170,0sleep30-21swapper/310:30:103
15972170,0sleep60-21swapper/610:36:306
115702170,1sleep30-21swapper/309:11:553
50592160,1sleep71036-21runrttasks10:27:257
373499160,1cyclictest660-21dbus-daemon11:45:125
370399169,1cyclictest0-21swapper/012:26:260
172702160,0sleep10-21swapper/109:36:391
108972160,0sleep40-21swapper/410:37:574
3746991513,1cyclictest0-21swapper/710:51:397
3746991513,1cyclictest0-21swapper/710:36:127
374699150,14cyclictest0-21swapper/710:57:347
373499150,1cyclictest0-21swapper/510:55:195
370799151,1cyclictest231ktimersoftd/112:24:451
370799150,13cyclictest0-21swapper/110:39:131
370399150,6cyclictest23367-21idleruntime-cro12:20:000
370399150,13cyclictest0-21swapper/011:36:260
322682150,0sleep20-21swapper/209:48:342
322682150,0sleep20-21swapper/209:48:342
300392150,0sleep60-21swapper/611:52:286
109462150,0sleep50-21swapper/510:18:505
374199140,2cyclictest0-21swapper/610:25:526
373499140,13cyclictest0-21swapper/511:06:075
372899144,6cyclictest0-21swapper/410:00:164
3720991411,2cyclictest0-21swapper/311:44:283
372099140,1cyclictest0-21swapper/312:08:563
372099140,12cyclictest13420-21id10:09:433
372099140,12cyclictest0-21swapper/310:14:163
371399140,2cyclictest0-21swapper/210:55:562
3707991412,1cyclictest24-21ksoftirqd/109:44:241
3707991412,1cyclictest0-21swapper/112:35:301
370799140,13cyclictest0-21swapper/110:51:371
370799140,12cyclictest0-21swapper/110:27:571
370399140,2cyclictest0-21swapper/009:54:410
370399140,2cyclictest0-21swapper/009:54:410
370399140,12cyclictest0-21swapper/008:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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