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2026-05-23 - 00:40
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Fri May 22, 2026 12:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225739199130,12cyclictest0-21swapper/311:35:133
225739199130,11cyclictest0-21swapper/312:20:113
225739199130,11cyclictest0-21swapper/311:40:133
225739199130,11cyclictest0-21swapper/307:45:113
2257391991211,0cyclictest0-21swapper/312:10:113
2257391991211,0cyclictest0-21swapper/308:20:003
225739199120,1cyclictest0-21swapper/307:25:103
225739199120,11cyclictest0-21swapper/312:05:123
225739199120,11cyclictest0-21swapper/312:00:213
225739199120,11cyclictest0-21swapper/311:00:193
225739199120,11cyclictest0-21swapper/308:50:013
225739199120,10cyclictest0-21swapper/310:50:113
2257391991111,0cyclictest0-21swapper/310:15:123
2257391991110,0cyclictest0-21swapper/310:45:013
2257391991110,0cyclictest0-21swapper/309:55:013
225739199110,11cyclictest0-21swapper/310:09:563
225739199110,11cyclictest0-21swapper/307:10:183
225739199110,10cyclictest0-21swapper/312:30:003
225739199110,10cyclictest0-21swapper/311:25:113
225739199110,10cyclictest0-21swapper/310:25:013
225739199110,10cyclictest0-21swapper/309:20:153
225739199110,10cyclictest0-21swapper/308:30:183
225739199110,10cyclictest0-21swapper/307:20:173
225739199110,0cyclictest0-21swapper/311:50:173
225739199109,0cyclictest0-21swapper/311:30:133
225739199109,0cyclictest0-21swapper/309:40:113
225739199109,0cyclictest0-21swapper/309:30:153
225739199109,0cyclictest0-21swapper/309:10:113
2257391991010,0cyclictest0-21swapper/307:55:113
225739199100,9cyclictest0-21swapper/309:59:563
225739199100,9cyclictest0-21swapper/309:35:123
225739199100,9cyclictest0-21swapper/307:55:003
225739199100,0cyclictest0-21swapper/311:05:123
225739199100,0cyclictest0-21swapper/310:35:113
22573919999,0cyclictest0-21swapper/311:45:163
22573919990,9cyclictest0-21swapper/308:00:173
22573919990,8cyclictest0-21swapper/310:05:013
22573919988,0cyclictest0-21swapper/310:55:033
22573919988,0cyclictest0-21swapper/308:55:183
22573919988,0cyclictest0-21swapper/307:40:113
22573919987,0cyclictest0-21swapper/312:35:183
22573919987,0cyclictest0-21swapper/310:45:183
22573919977,0cyclictest0-21swapper/312:30:123
22573919977,0cyclictest0-21swapper/312:18:463
22573919977,0cyclictest0-21swapper/311:55:133
22573919977,0cyclictest0-21swapper/311:24:503
22573919977,0cyclictest0-21swapper/310:25:133
22573919977,0cyclictest0-21swapper/310:13:373
22573919977,0cyclictest0-21swapper/309:45:123
22573919977,0cyclictest0-21swapper/309:25:173
22573919975,0cyclictest0-21swapper/307:39:123
22573919970,6cyclictest0-21swapper/309:05:113
22573919970,0cyclictest0-21swapper/307:35:003
2255519271,4sleep30-21swapper/307:05:133
22573919966,0cyclictest0-21swapper/308:35:203
22573919966,0cyclictest0-21swapper/308:25:143
22573919960,6cyclictest0-21swapper/309:15:113
22573919960,5cyclictest0-21swapper/310:30:123
22573919955,0cyclictest0-21swapper/311:15:293
22573919955,0cyclictest0-21swapper/311:10:173
22573919955,0cyclictest0-21swapper/308:10:133
22573919954,0cyclictest0-21swapper/308:50:123
22573919950,5cyclictest0-21swapper/308:20:183
22573919950,4cyclictest0-21swapper/307:15:203
2257078250,1sleep20-21swapper/207:08:442
22573919944,0cyclictest0-21swapper/308:41:383
22573919943,0cyclictest0-21swapper/309:00:383
22573919940,2cyclictest0-21swapper/308:05:143
2255517242,1sleep10-21swapper/107:05:111
2333145230,0sleep00-21swapper/010:17:450
2312800230,1sleep02312826-21apt-get09:30:110
2306646231,1sleep12306672-21apt-get09:15:111
2302463230,1sleep22302489-21apt-get09:05:122
2285222230,1sleep12285248-21apt-get08:20:121
2255610231,1sleep00-21swapper/007:05:140
2388044220,1sleep20-21swapper/212:28:452
2387966220,1sleep00-21swapper/012:28:030
2381854220,0sleep10-21swapper/112:14:271
2380159220,1sleep02380307-21grep12:10:130
2380087220,1sleep22380088-21sshd12:10:072
2379684221,1sleep0766-21snmpd12:08:370
2378459220,1sleep20-21swapper/212:05:152
2375394220,1sleep00-21swapper/012:00:010
2366276220,1sleep12366521-21users11:35:201
2365846220,1sleep22365994-21ntp_states11:35:172
2340900220,1sleep02341170-21sed10:35:190
2337840220,1sleep12337866-21apt-get10:30:121
2335753220,1sleep02335808-21telnet10:25:110
2317596220,1sleep02317750-21ntp_states09:40:160
2307074220,1sleep02307148-21if_err_eno109:15:140
2292529220,2sleep2766-21snmpd08:38:542
2290958220,1sleep12290984-21apt-get08:35:131
2281127220,1sleep20-21swapper/208:10:002
2277791220,0sleep00-21swapper/008:00:140
2262054220,1sleep02262167-21aten2.4-expect07:20:110
2391975210,0sleep00-21swapper/012:36:390
2390958210,0sleep10-21swapper/112:35:161
2390529210,0sleep20-21swapper/212:35:132
2389863210,0sleep20-21swapper/212:31:212
2389838210,0sleep00-21swapper/012:31:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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