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2026-04-15 - 04:05
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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 Wed Apr 15, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74182195180,11sleep10-21swapper/119:10:001
72192190172,13sleep00-21swapper/019:08:030
72172184167,12sleep30-21swapper/319:08:023
70462158138,15sleep20-21swapper/219:05:482
208172710,0sleep20-21swapper/200:28:232
180492460,0sleep10-21swapper/123:39:221
229272430,0sleep10-21swapper/123:25:161
215862420,0sleep00-21swapper/021:50:080
311352400,0sleep10-21swapper/121:22:591
269092390,0sleep00-21swapper/000:30:530
137422100,0sleep10-21swapper/122:33:371
129042100,0sleep10-21swapper/100:24:461
76029983,1cyclictest23146-21apt-get21:35:120
76029981,5cyclictest22320-21ntp_states19:35:180
76029981,3cyclictest31360-21date23:30:000
76029981,2cyclictest1532-21df21:40:130
76029981,2cyclictest11234-21ntp_states22:00:180
76029981,2cyclictest0-21swapper/023:05:120
76079970,5cyclictest0-21swapper/200:20:122
76029972,2cyclictest17320-21ntpq00:10:180
76029971,3cyclictest0-21swapper/022:50:120
76029971,2cyclictest8401-21hostname23:50:120
76029971,2cyclictest3402-21diskmemload21:48:220
76029971,2cyclictest3402-21diskmemload00:20:400
76029971,2cyclictest26524-21sh19:45:140
76029971,1cyclictest0-21swapper/022:10:150
76029971,1cyclictest0-21swapper/020:50:010
76029971,1cyclictest0-21swapper/020:10:110
76119960,6cyclictest0-21swapper/300:35:293
76029962,1cyclictest3480-21apt-get20:05:100
76029962,1cyclictest31123-21apt-get21:00:120
76029962,1cyclictest30945-21apt-get19:55:110
76029962,1cyclictest28629-21apt-get20:55:110
76029962,1cyclictest24679-21apt-get21:20:120
76029962,1cyclictest15905-21apt-get19:25:120
76029961,3cyclictest8169-21ssh21:27:280
76029961,3cyclictest3402-21diskmemload23:40:290
76029961,3cyclictest2265-21irqstats23:15:180
76029961,3cyclictest11857-21if_eth020:20:150
76029961,2cyclictest9698-21ntp_states20:15:190
76029961,2cyclictest9549-21ntp_states22:15:170
76029961,2cyclictest6031-21ntp_states22:45:190
76029961,2cyclictest4077-21cut23:00:170
76029961,2cyclictest3402-21diskmemload23:37:220
76029961,2cyclictest3402-21diskmemload23:30:350
76029961,2cyclictest3402-21diskmemload00:35:410
76029961,2cyclictest31021-21ssh22:57:470
76029961,2cyclictest19725-21taskset21:33:160
76029961,2cyclictest19149-21ntp_states23:55:170
76029961,2cyclictest12219-21ntp_states19:15:190
76029961,2cyclictest11829-21expr23:20:130
76029961,1cyclictest3402-21diskmemload00:05:090
76029961,1cyclictest3402-21diskmemload00:04:300
76029961,1cyclictest30740-21hddtemp_smartct23:45:150
76029961,1cyclictest0-21swapper/022:35:130
76029961,1cyclictest0-21swapper/022:22:000
76029961,1cyclictest0-21swapper/022:08:150
76029961,1cyclictest0-21swapper/020:40:140
76029961,1cyclictest0-21swapper/000:25:150
76029961,1cyclictest0-21swapper/000:15:570
76029960,3cyclictest5140-21ssh21:10:180
76029960,3cyclictest30715-21munin-run19:55:010
76029960,3cyclictest26507-21ssh22:40:010
76029960,2cyclictest8606-21ssh22:30:260
76029960,2cyclictest3402-21diskmemload23:13:470
76029960,2cyclictest15742-21ntp_states21:15:200
76119955,0cyclictest10083-21kworker/3:223:20:013
76119955,0cyclictest0-21swapper/300:12:033
76119955,0cyclictest0-21swapper/300:07:333
76119952,1cyclictest13539-21expr23:05:133
76119950,5cyclictest0-21swapper/322:36:283
76119950,5cyclictest0-21swapper/319:55:113
76119950,4cyclictest0-21swapper/323:20:123
76119950,0cyclictest0-21swapper/323:11:223
76079955,0cyclictest0-21swapper/223:10:182
76079952,3cyclictest14736-21ssh23:21:092
76079950,5cyclictest0-21swapper/222:01:272
76079950,5cyclictest0-21swapper/200:31:122
76079950,4cyclictest26578-21diskstats00:15:132
76079950,0cyclictest23637-21ssh22:38:262
76059951,2cyclictest0-21swapper/120:45:131
76059950,5cyclictest0-21swapper/121:05:141
76029955,0cyclictest0-21swapper/020:25:180
76029953,2cyclictest7708-21apt-get19:10:100
76029953,2cyclictest23534-21apt-get19:40:120
76029953,2cyclictest23534-21apt-get19:40:110
76029953,2cyclictest23489-21apt-get20:45:130
76029953,1cyclictest28619-21apt-get22:25:110
76029952,2cyclictest18901-21diskstats19:30:140
76029951,1cyclictest19055-21df_inode20:35:140
76029950,3cyclictest31345-21kworker/0:021:55:060
76029950,1cyclictest0-21swapper/020:30:090
76029950,1cyclictest0-21swapper/020:00:130
76029950,1cyclictest0-21swapper/019:20:140
1825250,0sleep10-21swapper/100:03:001
76119944,0cyclictest40-21ksoftirqd/320:55:113
76119944,0cyclictest10083-21kworker/3:220:09:393
76119944,0cyclictest10083-21kworker/3:219:24:543
76119944,0cyclictest0-21swapper/321:38:423
76119943,1cyclictest23603-21ssh23:41:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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