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2025-09-15 - 06:09
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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
Characteristics of the 50 highest latencies:
System rack5slot0.osadl.org (updated Mon Sep 15, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3084321700,2sleep21933599cyclictest23:06:272
2042421620,0sleep00-21swapper/022:28:080
2500221500,1sleep21933599cyclictest00:15:052
1135221470,3sleep01933299cyclictest23:29:410
51821430,1sleep10-21swapper/122:41:401
1817421400,1sleep31848-21nfsd00:01:343
2127621360,1sleep321277-21sshd23:02:233
2525121350,0sleep03-21ksoftirqd/022:06:530
849721260,1sleep11933399cyclictest00:23:131
2544721230,3sleep11933399cyclictest22:06:541
2651921220,2sleep10-21swapper/123:40:211
2120621180,2sleep20-21swapper/221:48:102
2054721070,0sleep00-21swapper/023:55:260
658721060,2sleep30-21swapper/322:48:273
2345821020,3sleep20-21swapper/223:55:452
1396021010,1sleep00-21swapper/023:17:270
206492980,2sleep220641-21sshd22:15:372
155692970,1sleep015560-21sshd23:39:230
95672920,2sleep19565-21sshd23:51:141
1900728937,39sleep10-21swapper/119:09:071
273452860,2sleep227341-21bash23:46:432
292722850,2sleep329270-21bash23:28:153
120172850,2sleep30-21swapper/322:05:353
303222840,3sleep10-21swapper/100:05:541
142612840,1sleep20-21swapper/221:20:052
96242830,0sleep00-21swapper/021:34:580
169742830,2sleep30-21swapper/321:10:483
97342820,4sleep31933699cyclictest22:42:353
86662820,7sleep03-21ksoftirqd/022:02:150
182922820,1sleep018288-21sshd21:29:420
218612810,3sleep11933399cyclictest23:40:011
1885628127,40sleep30-21swapper/319:07:133
88752800,3sleep10-21swapper/121:40:531
260822790,3sleep10-21swapper/121:39:321
180532790,2sleep20-21swapper/222:55:402
70972780,1sleep11933399cyclictest21:46:491
208122780,2sleep10-21swapper/123:18:081
307322770,2sleep30-21swapper/300:12:213
229192770,2sleep10-21swapper/122:00:291
79182750,1sleep00-21swapper/022:36:070
7232730,2sleep10-21swapper/100:03:051
36912680,5sleep21933599cyclictest00:03:212
1893426133,16sleep20-21swapper/219:08:122
75632600,2sleep30-21swapper/323:13:443
287012580,1sleep20-21swapper/222:38:082
1890225832,4sleep00-21swapper/019:07:460
182872580,3sleep01933299cyclictest21:38:470
111832520,1sleep011182-21sshd00:00:520
323542470,1sleep032350-21bash22:16:470
258282380,1sleep225825-21bash22:00:452
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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