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2025-12-07 - 14:43
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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 rack1slot3.osadl.org (updated Sun Dec 07, 2025 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
411978999137,5cyclictest0-21swapper/309:45:143
411978999135,6cyclictest0-21swapper/307:15:133
411978999130,12cyclictest0-21swapper/308:05:123
411978999130,11cyclictest0-21swapper/310:00:133
411978999130,11cyclictest0-21swapper/309:00:123
411978999130,11cyclictest0-21swapper/308:25:163
4119789991211,1cyclictest0-21swapper/307:35:133
4119789991211,0cyclictest0-21swapper/307:55:143
411978999120,1cyclictest0-21swapper/309:55:133
411978999120,11cyclictest0-21swapper/310:35:203
411978999120,11cyclictest0-21swapper/308:20:003
411978999120,11cyclictest0-21swapper/307:25:013
4119789991111,0cyclictest69450irq/121-eno112:25:173
4119789991111,0cyclictest69450irq/121-eno111:07:113
4119789991111,0cyclictest69450irq/121-eno110:53:533
4119789991111,0cyclictest0-21swapper/310:50:023
4119789991111,0cyclictest0-21swapper/309:50:133
4119789991111,0cyclictest0-21swapper/308:20:013
411978999110,10cyclictest69450irq/121-eno111:46:403
411978999110,10cyclictest69450irq/121-eno109:35:203
411978999110,10cyclictest0-21swapper/311:00:023
411978999109,1cyclictest69450irq/121-eno110:10:113
411978999109,0cyclictest69450irq/121-eno109:15:193
4119789991010,0cyclictest69450irq/121-eno111:25:143
4119789991010,0cyclictest0-21swapper/312:40:003
4119789991010,0cyclictest0-21swapper/312:15:223
4119789991010,0cyclictest0-21swapper/311:30:203
4119789991010,0cyclictest0-21swapper/309:10:133
4119789991010,0cyclictest0-21swapper/308:50:123
4119789991010,0cyclictest0-21swapper/308:30:123
4119789991010,0cyclictest0-21swapper/307:30:003
411978999100,9cyclictest69450irq/121-eno110:40:133
411978999100,9cyclictest69450irq/121-eno109:30:123
411978999100,9cyclictest69450irq/121-eno107:45:123
411978999100,9cyclictest0-21swapper/311:50:233
411978999100,0cyclictest0-21swapper/312:25:013
411978999100,0cyclictest0-21swapper/307:10:123
41197899999,0cyclictest69450irq/121-eno112:00:233
41197899999,0cyclictest69450irq/121-eno111:55:193
41197899999,0cyclictest69450irq/121-eno111:18:513
41197899999,0cyclictest69450irq/121-eno108:14:273
41197899999,0cyclictest0-21swapper/311:40:123
41197899999,0cyclictest0-21swapper/311:35:233
41197899999,0cyclictest0-21swapper/310:30:113
41197899999,0cyclictest0-21swapper/310:25:253
41197899999,0cyclictest0-21swapper/309:40:103
41197899999,0cyclictest0-21swapper/309:25:013
41197899998,0cyclictest0-21swapper/310:05:223
41197899990,8cyclictest69450irq/121-eno109:25:183
41197899990,0cyclictest0-21swapper/309:00:013
41197899990,0cyclictest0-21swapper/307:50:123
41197899988,0cyclictest69450irq/121-eno112:09:143
41197899988,0cyclictest69450irq/121-eno111:01:373
41197899988,0cyclictest69450irq/121-eno108:45:133
41197899987,0cyclictest0-21swapper/312:10:113
41197899977,0cyclictest69450irq/121-eno110:22:303
41197899977,0cyclictest69450irq/121-eno110:19:073
41197899977,0cyclictest69450irq/121-eno109:06:023
41197899977,0cyclictest0-21swapper/311:20:183
41197899977,0cyclictest0-21swapper/308:00:123
41197899970,7cyclictest69450irq/121-eno108:35:183
41197899970,6cyclictest69450irq/121-eno111:13:243
41197899966,0cyclictest69450irq/121-eno112:30:133
4163523250,2sleep04163677-21ntp_states08:55:170
4143379250,0sleep2441rcuc/208:05:162
41197899955,0cyclictest69450irq/121-eno108:40:013
4118675250,3sleep04118771-21open_files07:05:170
4118498250,3sleep30-21swapper/307:05:173
41197899944,0cyclictest69450irq/121-eno107:20:173
41197899940,3cyclictest4133081-21chrt07:40:053
4119343240,3sleep10-21swapper/107:06:061
4118416241,1sleep20-21swapper/207:05:152
43229233,0sleep041441-21kworker/0:2+events11:52:400
4191366230,1sleep24191392-21apt-get10:05:152
4176418230,2sleep24176634-21cat09:30:012
4170683230,1sleep24170709-21apt-get09:15:112
4150623230,1sleep24150646-21apt-get08:25:002
39575230,1sleep139601-21apt-get11:45:121
33156230,2sleep133427-21cat11:30:151
9573220,1sleep19577-21ssh10:33:361
62868220,1sleep20-21swapper/212:40:012
50301220,0sleep20-21swapper/212:10:102
49791220,1sleep049803-21apt-get12:10:010
47697220,1sleep00-21swapper/012:05:000
4189273220,0sleep04189299-21apt-get10:00:120
4183429220,1sleep24183511-21irqstats09:45:172
4178273220,1sleep20-21swapper/209:30:442
4172694220,0sleep10-21swapper/109:20:071
4172140220,1sleep00-21swapper/009:17:020
4162654220,1sleep00-21swapper/008:55:010
4157837220,1sleep14158025-21sed08:40:211
4148430220,1sleep24148466-21http08:20:012
4143692220,0sleep04142937-21/usr/sbin/munin08:05:180
4130496220,0sleep00-21swapper/007:34:280
4124961220,1sleep24125043-21irqstats07:20:172
4124707220,1sleep14124960-21diskstats07:20:161
3729220,1sleep00-21swapper/010:20:140
34855220,1sleep234868-21apt-get11:35:012
31371220,1sleep00-21swapper/011:25:190
23173220,1sleep223323-21ntp_states11:05:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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