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2025-12-01 - 22:14
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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 rack1slot3.osadl.org (updated Mon Dec 01, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
407922899150,13cyclictest0-21swapper/310:50:123
4079228991211,0cyclictest0-21swapper/309:00:113
407922899120,1cyclictest0-21swapper/308:45:023
407922899120,11cyclictest0-21swapper/309:35:203
407922899120,11cyclictest0-21swapper/308:55:133
407922899120,0cyclictest0-21swapper/308:35:153
4079228991111,0cyclictest0-21swapper/312:00:123
4079228991111,0cyclictest0-21swapper/311:45:133
4079228991111,0cyclictest0-21swapper/311:40:143
4079228991110,1cyclictest69450irq/121-eno111:56:593
407922899110,9cyclictest69450irq/121-eno112:25:013
407922899110,11cyclictest0-21swapper/308:50:013
407922899110,11cyclictest0-21swapper/308:27:503
407922899110,10cyclictest69450irq/121-eno108:30:183
407922899110,10cyclictest0-21swapper/312:20:023
407922899110,10cyclictest0-21swapper/309:30:113
407922899110,0cyclictest0-21swapper/312:35:133
407922899110,0cyclictest0-21swapper/312:10:143
407922899110,0cyclictest0-21swapper/311:30:013
407922899110,0cyclictest0-21swapper/310:15:173
407922899109,1cyclictest69450irq/121-eno110:10:183
407922899109,0cyclictest69450irq/121-eno111:35:143
4079228991010,0cyclictest69450irq/121-eno112:05:173
4079228991010,0cyclictest69450irq/121-eno111:51:133
4079228991010,0cyclictest69450irq/121-eno110:55:163
4079228991010,0cyclictest69450irq/121-eno110:21:043
4079228991010,0cyclictest69450irq/121-eno110:06:043
4079228991010,0cyclictest0-21swapper/307:20:013
407922899100,9cyclictest69450irq/121-eno110:27:043
407922899100,9cyclictest69450irq/121-eno108:10:193
407922899100,10cyclictest0-21swapper/309:15:283
407922899100,0cyclictest0-21swapper/312:30:143
407922899100,0cyclictest0-21swapper/309:40:123
407922899100,0cyclictest0-21swapper/308:50:223
407922899100,0cyclictest0-21swapper/308:00:113
407922899100,0cyclictest0-21swapper/308:00:103
40792289999,0cyclictest69450irq/121-eno107:25:203
40792289999,0cyclictest69450irq/121-eno107:10:173
40792289999,0cyclictest0-21swapper/311:00:143
40792289999,0cyclictest0-21swapper/310:35:013
40792289999,0cyclictest0-21swapper/309:45:143
40792289999,0cyclictest0-21swapper/307:35:153
40792289991,6cyclictest69450irq/121-eno107:20:113
40792289990,8cyclictest69450irq/121-eno112:20:123
40792289990,8cyclictest69450irq/121-eno111:20:203
40792289990,8cyclictest69450irq/121-eno110:45:133
40792289990,8cyclictest0-21swapper/310:00:203
40792289990,8cyclictest0-21swapper/308:15:223
40792289990,0cyclictest0-21swapper/309:20:133
40792289988,0cyclictest69450irq/121-eno111:15:253
40792289988,0cyclictest69450irq/121-eno111:09:303
40792289988,0cyclictest69450irq/121-eno109:13:173
40792289988,0cyclictest0-21swapper/309:50:123
40792289988,0cyclictest0-21swapper/308:20:133
40792289980,7cyclictest69450irq/121-eno111:30:023
40792289977,0cyclictest69450irq/121-eno111:12:473
40792289977,0cyclictest69450irq/121-eno110:44:083
40792289977,0cyclictest69450irq/121-eno109:59:263
40792289977,0cyclictest69450irq/121-eno109:25:243
40792289977,0cyclictest69450irq/121-eno109:05:413
40792289977,0cyclictest69450irq/121-eno107:55:033
40792289977,0cyclictest0-21swapper/310:35:203
40792289976,1cyclictest0-21swapper/307:40:123
40792289970,6cyclictest69450irq/121-eno107:45:203
40792289966,0cyclictest0-21swapper/308:05:223
4129863253,1sleep04104681-21kworker/0:1+events09:15:500
4079028250,1sleep10-21swapper/107:09:131
4078337251,2sleep30-21swapper/307:05:213
40792289940,3cyclictest4095299-21chrt07:50:033
40792289940,3cyclictest0-21swapper/307:30:123
4078903241,2sleep00-21swapper/007:07:350
4077668241,1sleep20-21swapper/207:05:162
4185359230,0sleep10-21swapper/111:30:161
4147123230,2sleep14147274-21grep10:00:141
4134760230,1sleep04134788-21apt-get09:30:110
4107017230,2sleep04107263-21diskstats08:20:160
4104893230,1sleep24104919-21apt-get08:15:142
7959220,2sleep27963-21ssh12:10:112
4193193220,0sleep00-21swapper/011:49:120
4179423220,1sleep24179594-21python311:15:202
4166900220,1sleep14167072-21python310:45:221
4164046220,1sleep20-21swapper/210:40:192
4161637220,1sleep00-21swapper/010:34:560
4148814220,0sleep00-21swapper/010:04:530
4139186220,1sleep04139268-21irqstats09:40:170
4133855220,0sleep00-21swapper/009:26:000
4132240220,1sleep14132265-21sleep09:25:001
4124789220,1sleep04124871-21irqstats09:05:180
4120336220,1sleep04120547-21tr08:55:130
4118485220,1sleep14118517-21cpu08:50:141
4117827221,1sleep2451ktimers/208:46:442
4112697220,1sleep14112993-21df08:35:171
4111273220,1sleep14111424-21ntp_states08:30:181
4099586220,1sleep04099668-21irqstats08:00:140
4099586220,1sleep04099668-21irqstats08:00:140
4081058220,1sleep24081550-21sendmail_mailst07:15:022
2264220,1sleep02440-21ntp_kernel_pll_11:55:160
16604220,1sleep20-21swapper/212:30:142
12329220,1sleep00-21swapper/012:20:150
8784210,0sleep10-21swapper/112:10:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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