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2026-05-21 - 02:51
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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 rack3slot6.osadl.org (updated Thu May 21, 2026 00:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2790529319,27sleep00-21swapper/019:08:320
2762329331,18sleep10-21swapper/119:05:301
220682880,6sleep122071-21grep23:20:351
28231997852,18cyclictest31806-21apt-get22:20:140
28231997634,30cyclictest14-21ksoftirqd/000:29:490
28231997354,12cyclictest14-21ksoftirqd/000:05:120
28234997031,15cyclictest26-21ksoftirqd/122:45:001
2823199695,55cyclictest2641-21apt-get00:00:130
123442690,6chrt0-21swapper/122:55:261
28231996826,15cyclictest14-21ksoftirqd/019:20:000
28231996819,25cyclictest14-21ksoftirqd/020:30:220
28234996731,14cyclictest26-21ksoftirqd/120:39:011
28234996727,13cyclictest26-21ksoftirqd/119:39:001
28234996630,15cyclictest26-21ksoftirqd/100:35:051
2823199665,53cyclictest12224-21apt-get22:55:210
28231996635,25cyclictest14-21ksoftirqd/023:10:310
28231996633,28cyclictest503-21snmpd20:10:370
28231996627,14cyclictest14-21ksoftirqd/021:10:000
28231996627,11cyclictest14-21ksoftirqd/000:00:020
293092650,5sleep00-21swapper/019:10:310
28234996541,9cyclictest26-21ksoftirqd/100:20:281
28231996535,26cyclictest14-21ksoftirqd/019:54:400
28231996530,13cyclictest14-21ksoftirqd/021:20:010
28231996522,16cyclictest14-21ksoftirqd/023:50:000
28234996430,23cyclictest26-21ksoftirqd/100:12:011
28231996432,16cyclictest14-21ksoftirqd/020:22:590
28231996427,14cyclictest14-21ksoftirqd/023:25:230
28231996425,15cyclictest14-21ksoftirqd/020:40:010
28234996343,16cyclictest26-21ksoftirqd/122:05:261
28231996334,8cyclictest14-21ksoftirqd/022:00:590
28231996334,17cyclictest14-21ksoftirqd/021:13:090
28231996325,16cyclictest14-21ksoftirqd/019:25:000
28231996325,15cyclictest14-21ksoftirqd/023:40:000
28231996324,14cyclictest14-21ksoftirqd/022:45:010
28234996238,9cyclictest26-21ksoftirqd/123:40:261
2823499623,23cyclictest20435-21cut20:15:361
2823499623,23cyclictest20435-21cut20:15:361
28231996237,19cyclictest14-21ksoftirqd/020:25:030
28231996237,19cyclictest14-21ksoftirqd/000:40:000
28231996227,13cyclictest14-21ksoftirqd/021:25:000
28231996225,14cyclictest14-21ksoftirqd/019:35:020
28231996223,14cyclictest14-21ksoftirqd/021:30:000
28234996128,15cyclictest26-21ksoftirqd/119:20:001
28231996133,17cyclictest14-21ksoftirqd/019:40:330
28231996126,30cyclictest14-21ksoftirqd/019:47:480
28231996125,16cyclictest14-21ksoftirqd/000:20:010
28231996125,14cyclictest14-21ksoftirqd/023:04:590
28231996124,14cyclictest14-21ksoftirqd/022:35:010
28231996124,14cyclictest14-21ksoftirqd/022:35:010
28231996123,15cyclictest14-21ksoftirqd/000:15:000
28231996123,14cyclictest14-21ksoftirqd/022:35:050
28231996122,15cyclictest14-21ksoftirqd/021:00:280
28234996044,10cyclictest507-21ntpd00:00:311
28234996037,9cyclictest26-21ksoftirqd/120:45:111
28234996036,9cyclictest26-21ksoftirqd/123:13:221
28234996036,10cyclictest7256-21/usr/sbin/munin21:10:301
28234996016,39cyclictest0-21swapper/122:00:361
28234996014,17cyclictest0-21swapper/119:40:131
28234996013,42cyclictest0-21swapper/123:00:291
28231996037,18cyclictest14-21ksoftirqd/023:30:240
28231996037,18cyclictest14-21ksoftirqd/021:40:190
28231996037,17cyclictest14-21ksoftirqd/019:55:360
28231996033,23cyclictest14-21ksoftirqd/021:32:100
28231996031,17cyclictest14-21ksoftirqd/023:09:000
28231996028,28cyclictest14-21ksoftirqd/020:00:120
28231996028,28cyclictest14-21ksoftirqd/020:00:120
28231996028,28cyclictest14-21ksoftirqd/000:32:460
28231996027,28cyclictest14-21ksoftirqd/019:25:160
28231996023,15cyclictest14-21ksoftirqd/022:20:000
28231996023,15cyclictest14-21ksoftirqd/022:10:000
2823199602,22cyclictest28948-21grep22:10:260
28231996019,37cyclictest14-21ksoftirqd/019:36:280
28234995937,8cyclictest26-21ksoftirqd/120:22:081
28234995936,9cyclictest26-21ksoftirqd/120:40:301
28234995936,9cyclictest26-21ksoftirqd/100:30:181
28234995935,9cyclictest26-21ksoftirqd/122:31:231
28234995935,9cyclictest26-21ksoftirqd/122:31:231
28234995935,9cyclictest26-21ksoftirqd/120:05:561
28234995935,11cyclictest26-21ksoftirqd/120:00:201
28234995935,11cyclictest26-21ksoftirqd/120:00:201
28234995935,10cyclictest25619-21/usr/sbin/munin20:30:351
28234995934,10cyclictest26-21ksoftirqd/120:56:291
28234995931,9cyclictest26-21ksoftirqd/100:06:081
28231995936,18cyclictest14-21ksoftirqd/023:15:320
28231995936,18cyclictest14-21ksoftirqd/023:15:320
28231995936,18cyclictest14-21ksoftirqd/021:55:320
28231995936,18cyclictest14-21ksoftirqd/021:50:160
28231995935,18cyclictest14-21ksoftirqd/022:55:000
28231995935,18cyclictest14-21ksoftirqd/021:35:320
28231995933,21cyclictest14-21ksoftirqd/020:47:060
28231995932,16cyclictest14-21ksoftirqd/020:16:060
28231995932,16cyclictest14-21ksoftirqd/020:16:060
28231995931,17cyclictest14-21ksoftirqd/020:55:240
28231995929,26cyclictest14-21ksoftirqd/020:40:380
28231995919,16cyclictest14-21ksoftirqd/023:25:000
28234995835,9cyclictest26-21ksoftirqd/123:45:111
28234995835,9cyclictest26-21ksoftirqd/122:54:091
28234995834,9cyclictest26-21ksoftirqd/121:03:431
28234995834,9cyclictest26-21ksoftirqd/119:50:251
28234995834,11cyclictest26-21ksoftirqd/119:20:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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