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2025-12-05 - 08:14
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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 Dec 05, 2025 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
554221420,0sleep20-21swapper/223:44:042
2052321100,1sleep70-21swapper/719:06:207
1799521090,0sleep50-21swapper/521:26:155
267892890,1sleep10-21swapper/122:54:101
30462830,0sleep50-21swapper/522:03:095
283432780,0sleep60-21swapper/623:49:376
197722780,1sleep10-21swapper/121:20:101
197722780,1sleep10-21swapper/121:20:101
168512780,0sleep40-21swapper/422:49:564
325822770,0sleep00-21swapper/022:38:300
325822770,0sleep00-21swapper/022:38:300
179092770,1sleep20-21swapper/200:31:002
68182740,0sleep50-21swapper/522:48:535
189532740,1sleep60-21swapper/600:21:106
189162740,0sleep30-21swapper/300:08:103
124602730,0sleep40-21swapper/422:36:264
124602730,0sleep40-21swapper/422:36:264
60382720,0sleep40-21swapper/400:36:244
247322710,1sleep50-21swapper/522:28:025
155232710,0sleep10-21swapper/122:59:311
155232710,0sleep10-21swapper/122:59:311
242082700,0sleep20-21swapper/221:20:272
242082700,0sleep20-21swapper/221:20:272
316602690,1sleep20-21swapper/223:17:192
79192680,0sleep50-21swapper/523:54:005
52872680,0sleep00-21swapper/021:18:410
52872680,0sleep00-21swapper/021:18:410
13602680,0sleep10-21swapper/100:09:431
88352670,0sleep10-21swapper/121:44:381
38792670,0sleep70-21swapper/722:12:497
66842660,0sleep30-21swapper/322:45:313
103072650,0sleep70-21swapper/723:11:567
286882610,0sleep60-21swapper/621:27:206
19302600,0sleep70-21swapper/721:43:567
233952570,3sleep42106499cyclictest23:29:394
215512540,0sleep70-21swapper/721:36:117
2082525242,6sleep60-21swapper/619:09:566
2074524837,7sleep00-21swapper/019:09:030
2051124826,7sleep40-21swapper/419:06:114
2079724635,7sleep50-21swapper/519:09:405
2073724636,6sleep10-21swapper/119:08:561
2077524333,6sleep30-21swapper/319:09:223
189162420,0sleep10-21swapper/100:01:351
40422400,0sleep40-21swapper/423:24:264
2057824029,7sleep20-21swapper/219:06:562
298002260,6sleep729792-21sshd23:30:157
251472240,0sleep125144-21sshd23:16:381
246442240,1sleep30-21swapper/300:21:473
270302230,1sleep027031-21bash23:26:390
186042220,0sleep30-21swapper/323:12:473
106162220,4sleep02104099cyclictest00:33:380
313112210,0sleep00-21swapper/023:17:170
301452210,1sleep430147-21grepconf.sh21:56:114
21040992114,1cyclictest660-21dbus-daemon21:36:440
158122210,0sleep70-21swapper/723:15:407
85222200,0sleep60-21swapper/622:10:086
66792200,1sleep00-21swapper/022:13:060
284532200,1sleep10-21swapper/121:36:531
226222200,1sleep0121rcuc/023:45:380
2104599200,19cyclictest20307-21sshd23:51:561
2104599200,19cyclictest0-21swapper/121:27:061
189732200,0sleep5581rcuc/500:34:315
149412200,1sleep30-21swapper/323:45:013
88972190,0sleep00-21swapper/022:58:500
88972190,0sleep00-21swapper/022:58:500
76102190,1sleep00-21swapper/000:13:360
76102190,1sleep00-21swapper/000:13:350
296572190,1sleep20-21swapper/222:02:342
288572190,1sleep328830-21sshd23:04:063
244292190,1sleep50-21swapper/500:35:035
215522190,1sleep10-21swapper/122:08:101
21078991911,2cyclictest0-21swapper/623:06:196
2107899190,13cyclictest24946-21cp23:29:506
2104599190,14cyclictest0-21swapper/122:42:301
61922180,0sleep50-21swapper/523:08:175
60732180,1sleep70-21swapper/722:45:277
48892180,0sleep1231ktimersoftd/122:32:301
314282180,0sleep50-21swapper/523:33:415
300172180,1sleep5581rcuc/522:09:025
255162180,1sleep20-21swapper/200:02:152
251932180,0sleep20-21swapper/223:06:532
227362180,0sleep50-21swapper/523:19:475
2104599183,12cyclictest0-21swapper/123:58:181
2104599183,12cyclictest0-21swapper/119:39:231
2104599183,12cyclictest0-21swapper/100:31:541
2104599182,13cyclictest0-21swapper/123:24:461
2104599182,13cyclictest0-21swapper/119:45:421
161992180,1sleep616198-21sshd23:32:066
142962180,0sleep20-21swapper/221:35:262
125042180,0sleep60-21swapper/623:35:026
53962170,0sleep20-21swapper/223:14:472
310722170,0sleep20-21swapper/200:19:142
2107899179,2cyclictest0-21swapper/623:52:166
2107899170,1cyclictest0-21swapper/600:19:256
2107899170,12cyclictest0-21swapper/622:46:246
2104599173,13cyclictest0-21swapper/121:56:101
2104599172,13cyclictest0-21swapper/121:34:061
2104599172,12cyclictest0-21swapper/120:28:311
2104599172,12cyclictest0-21swapper/119:25:151
2104599171,13cyclictest0-21swapper/121:00:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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