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2026-05-03 - 16:11
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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 May 03, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7222198183,11sleep10-21swapper/107:09:121
5532184167,12sleep30-21swapper/307:07:053
4772184167,13sleep00-21swapper/007:06:220
4622175158,13sleep20-21swapper/207:06:112
143002840,0sleep314301-21latency_hist08:40:003
127672460,0sleep10-21swapper/112:10:531
38252450,0sleep10-21swapper/112:06:371
258752390,0sleep00-21swapper/011:30:130
180262130,0sleep00-21swapper/012:14:080
137492110,0sleep30-21swapper/311:08:223
219282100,0sleep10-21swapper/110:55:591
10409982,3cyclictest4131-21sendmail-msp08:20:000
10509961,4cyclictest0-21swapper/210:15:122
10549955,0cyclictest0-21swapper/311:58:373
10549950,5cyclictest0-21swapper/311:02:363
10549950,5cyclictest0-21swapper/310:00:193
10549950,5cyclictest0-21swapper/309:18:423
10549950,5cyclictest0-21swapper/309:18:423
10549950,4cyclictest29330-21/usr/sbin/munin08:05:123
10549950,4cyclictest1773-21ssh10:15:123
10549950,0cyclictest0-21swapper/311:13:393
10509955,0cyclictest0-21swapper/211:34:212
10509954,1cyclictest31-21ksoftirqd/211:50:112
10509950,5cyclictest0-21swapper/210:57:142
10449950,5cyclictest0-21swapper/112:04:551
10449950,5cyclictest0-21swapper/110:24:571
10449950,5cyclictest0-21swapper/109:14:321
10409954,1cyclictest31911-21ssh11:17:000
10409950,5cyclictest0-21swapper/010:05:340
10409950,4cyclictest32082-21ssh12:05:100
10409950,4cyclictest21059-21latency_hist12:00:010
10409950,4cyclictest0-21swapper/012:20:100
10409950,4cyclictest0-21swapper/009:15:020
10409950,4cyclictest0-21swapper/009:15:020
10409950,4cyclictest0-21swapper/008:50:110
7593240,1sleep10-21swapper/110:01:431
25559240,0sleep00-21swapper/009:55:140
21627240,0sleep10-21swapper/109:53:011
17701240,3sleep217851-21memory07:40:162
10549944,0cyclictest3601-21kworker/3:112:21:493
10549944,0cyclictest0-21swapper/311:35:113
10549944,0cyclictest0-21swapper/310:35:233
10549944,0cyclictest0-21swapper/310:05:253
10549944,0cyclictest0-21swapper/309:55:143
10549944,0cyclictest0-21swapper/309:20:103
10549944,0cyclictest0-21swapper/309:02:153
10549944,0cyclictest0-21swapper/307:26:133
10549943,1cyclictest17140-21ssh11:25:203
10549943,1cyclictest1364-21tr07:10:123
10549942,1cyclictest13275-21ssh12:11:113
10549942,1cyclictest12887-21smartctl10:20:143
10549941,3cyclictest802-21snmpd09:34:093
10549941,1cyclictest0-21swapper/307:55:123
10549940,4cyclictest29259-21diskmemload11:47:183
10549940,4cyclictest29259-21diskmemload10:55:283
10549940,4cyclictest29259-21diskmemload09:54:323
10549940,4cyclictest17788-21ssh12:30:083
10549940,4cyclictest16523-21munin-run07:40:003
10549940,4cyclictest0-21swapper/312:07:353
10549940,4cyclictest0-21swapper/312:00:013
10549940,4cyclictest0-21swapper/311:53:203
10549940,4cyclictest0-21swapper/311:30:013
10549940,4cyclictest0-21swapper/311:20:103
10549940,4cyclictest0-21swapper/311:15:033
10549940,4cyclictest0-21swapper/310:50:113
10549940,4cyclictest0-21swapper/310:28:003
10549940,4cyclictest0-21swapper/309:40:123
10549940,4cyclictest0-21swapper/309:25:453
10549940,4cyclictest0-21swapper/308:49:533
10549940,3cyclictest490-21ssh10:30:123
10549940,3cyclictest3888-21users07:15:013
10549940,3cyclictest29255-21cat08:04:593
10549940,3cyclictest28576-21diskstats12:35:143
10549940,3cyclictest27021-21apt-get09:05:133
10549940,3cyclictest24320-21diskstats10:10:133
10549940,3cyclictest21347-21cat12:15:173
10549940,3cyclictest20667-21apt10:40:123
10549940,3cyclictest11676-21date08:35:003
10549940,3cyclictest10280-21sh12:25:363
10549940,3cyclictest10280-21sh12:25:363
10549940,1cyclictest31660-21perl10:45:143
10549940,1cyclictest20863-21ntp_states08:50:173
10509943,1cyclictest6673-21wc09:45:202
10509943,1cyclictest31-21ksoftirqd/208:20:002
10509942,2cyclictest0-21swapper/210:26:062
10509941,1cyclictest0-21swapper/207:30:132
10509940,4cyclictest4371-21/usr/sbin/munin07:15:132
10509940,4cyclictest21349-21dpkg12:00:012
10509940,4cyclictest14000-21diskstats11:40:142
10509940,4cyclictest0-21swapper/212:30:112
10509940,4cyclictest0-21swapper/212:14:362
10509940,4cyclictest0-21swapper/212:05:012
10509940,4cyclictest0-21swapper/211:25:112
10509940,4cyclictest0-21swapper/211:22:142
10509940,4cyclictest0-21swapper/211:05:122
10509940,4cyclictest0-21swapper/210:35:182
10509940,4cyclictest0-21swapper/210:00:122
10509940,4cyclictest0-21swapper/209:50:152
10509940,4cyclictest0-21swapper/209:40:122
10509940,4cyclictest0-21swapper/208:00:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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