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2026-06-09 - 01:04
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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 rack5slot2.osadl.org (updated Mon Jun 08, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171432201185,11sleep10-21swapper/107:07:031
170602186172,10sleep00-21swapper/007:05:580
170272175158,12sleep20-21swapper/207:05:312
170182174155,13sleep30-21swapper/307:05:253
251782450,0sleep00-21swapper/012:25:570
117462450,0sleep00-21swapper/012:20:000
76872440,0sleep10-21swapper/110:25:281
226302440,0sleep20-21swapper/212:09:172
234762420,0sleep023478-21cpuspeed_turbos08:25:120
25941290,0sleep10-21swapper/109:15:221
175579981,6cyclictest0-21swapper/009:25:110
175579972,5cyclictest15383-21kworker/0:010:45:000
175749962,3cyclictest19848-21ssh10:47:463
175669966,0cyclictest0-21swapper/212:03:442
175669960,6cyclictest9296-21cron12:35:002
175669960,6cyclictest0-21swapper/210:45:112
175579965,1cyclictest22263-21ssh10:33:090
175579962,4cyclictest9784-21apt-get09:40:020
175749955,0cyclictest0-21swapper/312:03:033
175749951,3cyclictest802-21snmpd12:22:223
175749950,5cyclictest0-21swapper/311:55:123
175749950,5cyclictest0-21swapper/311:34:583
175749950,5cyclictest0-21swapper/307:45:133
175749950,4cyclictest0-21swapper/309:15:113
175669955,0cyclictest0-21swapper/212:25:512
175669951,3cyclictest0-21swapper/209:55:122
175669951,3cyclictest0-21swapper/209:55:122
175669950,5cyclictest0-21swapper/212:19:272
175669950,5cyclictest0-21swapper/211:46:252
175669950,5cyclictest0-21swapper/211:44:582
175669950,0cyclictest0-21swapper/209:36:472
175629952,2cyclictest0-21swapper/110:45:121
175629951,2cyclictest0-21swapper/111:35:131
175629951,2cyclictest0-21swapper/111:20:131
175629951,2cyclictest0-21swapper/108:55:121
175629951,2cyclictest0-21swapper/107:50:111
175629951,2cyclictest0-21swapper/107:15:111
175629950,5cyclictest0-21swapper/112:04:201
175629950,5cyclictest0-21swapper/111:14:071
175629950,5cyclictest0-21swapper/109:55:251
175629950,5cyclictest0-21swapper/109:55:241
175579955,0cyclictest0-21swapper/011:07:120
175579955,0cyclictest0-21swapper/009:00:010
175579951,4cyclictest26283-21awk12:10:200
175579951,4cyclictest23177-21perf07:20:000
175579951,2cyclictest0-21swapper/008:10:110
175579950,5cyclictest28906-21kworker/0:108:55:130
175579950,5cyclictest0-21swapper/010:47:590
175579950,5cyclictest0-21swapper/009:15:180
175579950,4cyclictest0-21swapper/007:50:100
175579950,1cyclictest11446-21dump-pmu-power11:00:010
175579950,0cyclictest24311-21ssh10:18:190
9824240,0sleep09827-21sort09:55:160
9824240,0sleep09827-21sort09:55:160
21944240,0sleep20-21swapper/210:32:572
175749944,0cyclictest0-21swapper/309:45:423
175749944,0cyclictest0-21swapper/309:41:123
175749942,1cyclictest31038-21ssh09:50:113
175749942,1cyclictest11295-21df_inode09:05:143
175749941,1cyclictest0-21swapper/308:50:123
175749940,4cyclictest9800-21apt-get12:35:123
175749940,4cyclictest6881-21ntp_states08:55:173
175749940,4cyclictest5808-21apt-get07:50:113
175749940,4cyclictest557-21ssh10:22:223
175749940,4cyclictest31257-21perl11:25:113
175749940,4cyclictest0-21swapper/312:30:113
175749940,4cyclictest0-21swapper/312:27:413
175749940,4cyclictest0-21swapper/311:40:113
175749940,4cyclictest0-21swapper/311:05:123
175749940,4cyclictest0-21swapper/310:55:123
175749940,4cyclictest0-21swapper/310:51:333
175749940,4cyclictest0-21swapper/310:43:143
175749940,4cyclictest0-21swapper/310:30:133
175749940,4cyclictest0-21swapper/310:26:403
175749940,4cyclictest0-21swapper/310:15:113
175749940,4cyclictest0-21swapper/310:12:193
175749940,4cyclictest0-21swapper/310:06:393
175749940,4cyclictest0-21swapper/309:30:173
175749940,4cyclictest0-21swapper/309:20:113
175749940,4cyclictest0-21swapper/309:10:133
175749940,4cyclictest0-21swapper/308:22:323
175749940,4cyclictest0-21swapper/308:10:133
175749940,4cyclictest0-21swapper/307:40:173
175749940,3cyclictest799-21runrttasks09:35:053
175749940,3cyclictest32423-21users08:40:213
175749940,3cyclictest28854-21df_inode07:30:133
175749940,3cyclictest27948-21latency_hist11:40:003
175749940,3cyclictest25860-21apt07:25:123
175749940,3cyclictest24840-21diskstats12:10:133
175749940,3cyclictest21128-21ssh10:00:213
175749940,3cyclictest20668-21df_inode07:15:013
175749940,3cyclictest1408-21cron12:15:013
175749940,3cyclictest12260-21sort11:00:153
175749940,1cyclictest12091-21cat11:15:193
175669944,0cyclictest0-21swapper/210:04:342
175669943,1cyclictest1466-21ntp_states11:10:172
175669942,1cyclictest802-21snmpd10:11:592
175669940,4cyclictest27121-21latency_hist10:20:012
175669940,4cyclictest0-21swapper/212:13:472
175669940,4cyclictest0-21swapper/211:55:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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