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2026-08-30 - 15:10
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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 rack5slot2.osadl.org (updated Sun Aug 30, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257832196179,12sleep10-21swapper/107:08:081
256462184168,11sleep30-21swapper/307:06:213
258962178163,11sleep20-21swapper/207:09:342
259092177160,12sleep00-21swapper/007:09:440
109382480,0sleep10-21swapper/111:15:011
210192430,0sleep20-21swapper/212:09:182
111432430,0sleep10-21swapper/111:30:421
225282420,0sleep10-21swapper/109:10:141
282572150,0sleep20-21swapper/212:29:322
267582110,0sleep00-21swapper/012:28:340
2611799102,4cyclictest57150irq/125-eth009:40:010
26938270,0sleep20-21swapper/212:11:462
261349974,1cyclictest239072sleep311:05:113
261349960,6cyclictest0-21swapper/310:25:123
261269960,6cyclictest0-21swapper/209:55:132
261269960,6cyclictest0-21swapper/209:35:112
261349955,0cyclictest381rcuc/310:00:013
261349955,0cyclictest27208-21kworker/3:109:24:363
261349955,0cyclictest0-21swapper/311:49:563
261349953,2cyclictest27208-21kworker/3:109:13:243
261349953,1cyclictest4717-21grep07:30:133
261349952,3cyclictest802-21snmpd10:07:163
261349950,5cyclictest16304-21taskset11:17:123
261349950,5cyclictest14838-21ssh09:38:503
261349950,5cyclictest0-21swapper/310:39:483
261349950,4cyclictest25165-21ssh09:27:283
261349950,4cyclictest19246-21ssh10:30:123
261269955,0cyclictest0-21swapper/211:12:292
261269955,0cyclictest0-21swapper/208:20:122
261269950,5cyclictest0-21swapper/211:28:212
261269950,5cyclictest0-21swapper/209:16:402
261269950,4cyclictest28259-21ssh11:40:122
261269950,4cyclictest0-21swapper/208:45:102
261219950,5cyclictest0-21swapper/112:19:311
261219950,5cyclictest0-21swapper/111:41:241
261219950,5cyclictest0-21swapper/111:17:231
261219950,5cyclictest0-21swapper/110:34:541
261179955,0cyclictest0-21swapper/010:36:330
261179950,5cyclictest0-21swapper/012:15:300
261179950,5cyclictest0-21swapper/010:41:300
261179950,5cyclictest0-21swapper/009:16:320
261179950,3cyclictest0-21swapper/012:00:190
19319251,1sleep30-21swapper/309:05:133
1431250,0sleep30-21swapper/311:59:303
261349944,0cyclictest40-21ksoftirqd/308:50:013
261349944,0cyclictest27208-21kworker/3:111:50:083
261349944,0cyclictest27208-21kworker/3:108:17:253
261349944,0cyclictest27208-21kworker/3:107:10:163
261349944,0cyclictest0-21swapper/309:32:173
261349944,0cyclictest0-21swapper/309:17:533
261349944,0cyclictest0-21swapper/308:27:143
261349943,1cyclictest40-21ksoftirqd/311:00:013
261349943,1cyclictest40-21ksoftirqd/310:40:123
261349943,1cyclictest40-21ksoftirqd/310:15:143
261349943,1cyclictest1397-21grep10:20:213
261349942,1cyclictest8008-21ssh12:02:233
261349942,1cyclictest7936-21if_eth112:35:153
261349942,1cyclictest22327-21ssh11:36:333
261349941,3cyclictest29663-21cpu12:30:133
261349941,2cyclictest0-21swapper/308:10:113
261349941,1cyclictest278202uname10:50:173
261349940,4cyclictest32426-21ssh12:15:103
261349940,4cyclictest0-21swapper/312:22:323
261349940,4cyclictest0-21swapper/312:08:103
261349940,4cyclictest0-21swapper/311:10:133
261349940,4cyclictest0-21swapper/310:45:113
261349940,4cyclictest0-21swapper/310:13:463
261349940,4cyclictest0-21swapper/309:50:113
261349940,4cyclictest0-21swapper/309:46:253
261349940,4cyclictest0-21swapper/307:50:093
261349940,3cyclictest29900-21ssh12:13:423
261349940,3cyclictest2470-21ssh11:26:273
261349940,3cyclictest23741-21ssh09:43:103
261349940,3cyclictest22279-21/usr/sbin/munin11:20:143
261349940,3cyclictest22058-21ssh12:25:323
261349940,3cyclictest0-21swapper/308:20:113
261349940,3cyclictest0-21swapper/308:05:113
261349940,1cyclictest17702-21sed09:00:143
261269944,0cyclictest0-21swapper/212:35:342
261269944,0cyclictest0-21swapper/210:58:052
261269944,0cyclictest0-21swapper/210:06:082
261269944,0cyclictest0-21swapper/209:41:072
261269944,0cyclictest0-21swapper/207:35:142
261269943,1cyclictest20926-21tr08:00:182
261269941,2cyclictest0-21swapper/211:20:102
261269941,2cyclictest0-21swapper/208:10:112
261269941,2cyclictest0-21swapper/207:25:132
261269941,1cyclictest0-21swapper/209:10:132
261269941,1cyclictest0-21swapper/208:25:122
261269940,4cyclictest22715-21perl10:15:142
261269940,4cyclictest21563-21diskmemload10:32:092
261269940,4cyclictest16116-21cat07:50:182
261269940,4cyclictest16070-21diskstats11:50:152
261269940,4cyclictest13890-21ssh11:49:192
261269940,4cyclictest11898-21apt-get08:50:112
261269940,4cyclictest0-21swapper/212:20:112
261269940,4cyclictest0-21swapper/212:00:122
261269940,4cyclictest0-21swapper/211:55:112
261269940,4cyclictest0-21swapper/211:37:392
261269940,4cyclictest0-21swapper/211:31:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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