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2025-11-15 - 13:40
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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 Sat Nov 15, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37282499149,0cyclictest0-21swapper/307:35:133
372824991310,2cyclictest0-21swapper/308:50:123
37282499130,12cyclictest0-21swapper/312:05:133
37282499130,12cyclictest0-21swapper/310:25:143
37282499130,12cyclictest0-21swapper/309:20:143
37282499121,10cyclictest69450irq/121-eno111:40:203
372824991211,0cyclictest0-21swapper/309:05:143
37282499120,11cyclictest69450irq/121-eno112:26:403
37282499120,11cyclictest0-21swapper/310:50:213
37282499120,11cyclictest0-21swapper/309:30:133
37282499120,11cyclictest0-21swapper/308:15:133
37282499120,11cyclictest0-21swapper/308:10:103
37282499120,11cyclictest0-21swapper/307:10:113
37282499119,2cyclictest69450irq/121-eno110:19:563
372824991111,0cyclictest69450irq/121-eno111:15:433
372824991111,0cyclictest0-21swapper/307:35:003
37282499110,11cyclictest0-21swapper/312:30:183
37282499110,11cyclictest0-21swapper/308:40:193
37282499110,10cyclictest69450irq/121-eno112:17:483
37282499110,10cyclictest0-21swapper/312:05:013
37282499110,10cyclictest0-21swapper/310:40:213
37282499110,10cyclictest0-21swapper/309:15:013
37282499110,10cyclictest0-21swapper/309:10:133
37282499110,10cyclictest0-21swapper/308:55:193
37282499110,0cyclictest0-21swapper/310:55:203
37282499110,0cyclictest0-21swapper/310:40:003
37282499109,0cyclictest0-21swapper/311:25:153
37282499109,0cyclictest0-21swapper/309:25:143
37282499109,0cyclictest0-21swapper/307:45:133
372824991010,0cyclictest69450irq/121-eno109:44:403
372824991010,0cyclictest69450irq/121-eno108:35:203
372824991010,0cyclictest0-21swapper/311:35:153
372824991010,0cyclictest0-21swapper/308:25:133
372824991010,0cyclictest0-21swapper/307:30:003
37282499100,9cyclictest69450irq/121-eno112:11:163
37282499100,9cyclictest69450irq/121-eno111:30:243
37282499100,9cyclictest69450irq/121-eno111:21:223
37282499100,9cyclictest69450irq/121-eno109:00:113
37282499100,9cyclictest0-21swapper/310:45:143
37282499100,9cyclictest0-21swapper/308:25:023
37282499100,10cyclictest69450irq/121-eno108:00:173
37282499100,0cyclictest0-21swapper/311:45:133
37282499100,0cyclictest0-21swapper/311:00:163
37282499100,0cyclictest0-21swapper/310:05:003
3726752101,4sleep30-21swapper/307:09:563
3728249999,0cyclictest69450irq/121-eno110:30:043
3728249999,0cyclictest69450irq/121-eno110:05:203
3728249999,0cyclictest69450irq/121-eno109:55:143
3728249999,0cyclictest69450irq/121-eno107:15:153
3728249999,0cyclictest0-21swapper/309:45:133
3728249999,0cyclictest0-21swapper/308:35:023
3728249999,0cyclictest0-21swapper/308:35:013
3728249998,1cyclictest69450irq/121-eno107:21:493
3728249990,9cyclictest0-21swapper/311:55:013
3728249990,8cyclictest69450irq/121-eno108:05:033
3728249990,0cyclictest0-21swapper/311:05:183
3728249988,0cyclictest69450irq/121-eno112:35:193
3728249988,0cyclictest69450irq/121-eno111:54:463
3728249988,0cyclictest0-21swapper/308:45:203
3728249986,1cyclictest0-21swapper/311:10:153
3728249980,7cyclictest69450irq/121-eno107:41:493
3728249977,0cyclictest69450irq/121-eno110:20:163
3728249976,1cyclictest69450irq/121-eno109:50:143
3728249966,0cyclictest69450irq/121-eno110:10:183
3728249960,0cyclictest0-21swapper/312:20:193
3728249951,2cyclictest0-21swapper/307:55:143
3728249950,4cyclictest389251-21chrt07:50:133
3728249950,4cyclictest0-21swapper/309:35:203
372432251,0sleep00-21swapper/007:06:490
371142251,2sleep2371299-21grep07:05:142
372367242,1sleep10-21swapper/107:05:571
487115231,2sleep1754-21snmpd11:47:031
481424230,1sleep2481450-21apt-get11:35:152
414415230,2sleep20-21swapper/208:55:132
498130220,1sleep20-21swapper/212:15:142
484576220,1sleep0483529-21/usr/sbin/munin11:40:230
482212220,1sleep0482350-21run-parts11:35:290
478816220,0sleep0478824-21apt-get11:30:010
476308220,0sleep20-21swapper/211:23:392
471730220,1sleep1471734-21ssh11:12:331
469659220,0sleep00-21swapper/011:07:400
468550220,0sleep20-21swapper/211:05:172
463944220,1sleep00-21swapper/010:55:150
459829220,1sleep1459947-21aten2.4-expect10:45:161
453484220,0sleep00-21swapper/010:30:130
451892220,1sleep2452045-21sed10:25:192
451819220,1sleep1451886-21if_eno110:25:181
445741220,1sleep1445891-21ntp_states10:10:171
442741220,0sleep00-21swapper/010:04:390
440679220,1sleep1440735-21/usr/sbin/munin10:00:001
436333220,0sleep0171ktimers/009:48:300
429262220,1sleep1429416-21ntp_states09:30:181
427640220,1sleep00-21swapper/009:25:250
423578220,0sleep00-21swapper/009:15:450
399240220,1sleep0399324-21irqstats08:15:170
393584220,1sleep1393785-21sshd08:00:171
390158220,1sleep1390370-21sed07:50:201
384343220,1sleep2384502-21sed07:35:202
384191220,1sleep1384340-21find07:35:191
508010210,0sleep20-21swapper/212:37:032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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