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2026-08-28 - 00:03
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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 Thu Aug 27, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152482196181,10sleep10-21swapper/107:08:561
152922195178,13sleep00-21swapper/007:09:270
131132190173,12sleep30-21swapper/307:05:093
15075210993,12sleep20-21swapper/207:06:412
140332560,0sleep30-21swapper/310:00:003
45742500,0sleep30-21swapper/311:49:253
144672490,0sleep00-21swapper/010:32:150
100742490,0sleep3381rcuc/311:51:373
197292480,0sleep30-21swapper/312:13:153
197292480,0sleep30-21swapper/312:13:153
62812440,0sleep10-21swapper/111:00:241
164992390,0sleep10-21swapper/108:15:001
40992120,1sleep24101-21gltestperf12:05:132
272122110,0sleep10-21swapper/112:00:161
159702110,0sleep10-21swapper/111:22:011
1550599102,4cyclictest13527-21munin-run11:05:000
20923290,0sleep20-21swapper/210:51:402
18218290,0sleep30-21swapper/312:29:133
155059991,4cyclictest26555-21munin-run09:50:010
14557290,0sleep00-21swapper/009:27:140
155179980,6cyclictest0-21swapper/310:45:133
155059982,3cyclictest30772-21perf11:30:000
155109965,1cyclictest0-21swapper/110:50:121
5187250,0sleep10-21swapper/111:33:061
5016250,0sleep30-21swapper/312:39:013
19784250,0sleep00-21swapper/010:18:580
155179955,0cyclictest30049-21kworker/3:112:22:113
155179955,0cyclictest30049-21kworker/3:111:03:483
155179955,0cyclictest30049-21kworker/3:110:19:023
155179950,5cyclictest0-21swapper/311:23:403
155179950,5cyclictest0-21swapper/311:07:053
155179950,5cyclictest0-21swapper/310:53:243
155179950,5cyclictest0-21swapper/309:49:153
155179950,5cyclictest0-21swapper/309:20:113
155179950,3cyclictest28724-21latency_hist07:35:013
155129955,0cyclictest0-21swapper/210:19:082
155129952,3cyclictest11314-21diskmemload10:46:212
155129951,2cyclictest0-21swapper/210:30:112
155129950,5cyclictest0-21swapper/212:27:022
155129950,5cyclictest0-21swapper/211:55:122
155129950,5cyclictest0-21swapper/211:41:212
155129950,5cyclictest0-21swapper/211:28:062
155129950,5cyclictest0-21swapper/211:02:472
155129950,5cyclictest0-21swapper/210:55:572
155129950,5cyclictest0-21swapper/209:15:122
155129950,5cyclictest0-21swapper/208:20:112
155129950,4cyclictest0-21swapper/207:35:112
155129950,0cyclictest0-21swapper/212:35:292
155129950,0cyclictest0-21swapper/211:35:232
155129950,0cyclictest0-21swapper/211:10:132
155109952,2cyclictest0-21swapper/110:45:121
155109951,3cyclictest0-21swapper/110:15:121
155109951,2cyclictest0-21swapper/108:20:121
155109951,2cyclictest0-21swapper/107:30:111
155109950,5cyclictest0-21swapper/110:11:471
155109950,3cyclictest0-21swapper/107:25:121
155059954,1cyclictest0-21swapper/011:07:500
155059950,5cyclictest0-21swapper/012:16:300
155059950,3cyclictest3297-21/usr/sbin/munin12:05:150
4982240,0sleep20-21swapper/209:22:282
155179944,0cyclictest0-21swapper/310:36:233
155179943,1cyclictest21983-21cut11:25:133
155179942,1cyclictest0-21swapper/308:25:113
155179941,3cyclictest29596-21/usr/sbin/munin09:35:193
155179941,3cyclictest0-21swapper/310:05:173
155179941,3cyclictest0-21swapper/309:15:123
155179941,2cyclictest0-21swapper/307:25:123
155179940,4cyclictest9242-21ssh10:13:333
155179940,4cyclictest14430-21ssh09:27:103
155179940,4cyclictest0-21swapper/312:15:113
155179940,4cyclictest0-21swapper/312:00:113
155179940,4cyclictest0-21swapper/311:40:123
155179940,4cyclictest0-21swapper/311:30:113
155179940,4cyclictest0-21swapper/311:14:073
155179940,4cyclictest0-21swapper/310:20:123
155179940,4cyclictest0-21swapper/309:40:123
155179940,4cyclictest0-21swapper/309:30:123
155179940,4cyclictest0-21swapper/309:10:133
155179940,4cyclictest0-21swapper/308:35:443
155179940,4cyclictest0-21swapper/308:01:243
155179940,4cyclictest0-21swapper/307:45:023
155179940,4cyclictest0-21swapper/307:14:163
155179940,3cyclictest7080-21ssh11:17:393
155179940,3cyclictest29152-21/usr/sbin/munin10:40:093
155179940,3cyclictest28635-21ssh09:50:203
155179940,3cyclictest26682-21ssh10:55:103
155179940,3cyclictest2382-21ssh10:25:523
155179940,3cyclictest23792-21latency_hist07:25:003
155179940,3cyclictest21443-21date08:25:003
155179940,3cyclictest19706-21ssh11:56:213
155179940,3cyclictest18999-21cat08:20:003
155179940,3cyclictest17964-21ssh11:39:523
155179940,3cyclictest13702-21ssh10:31:463
155179940,3cyclictest0-21swapper/308:50:013
155179940,0cyclictest0-21swapper/312:07:553
155129944,0cyclictest31-21ksoftirqd/209:10:022
155129942,2cyclictest30786-21rm11:45:262
155129941,3cyclictest802-21snmpd09:33:192
155129941,2cyclictest0-21swapper/208:50:102
155129940,4cyclictest7601-21irqstats09:00:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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