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2026-04-16 - 22:29
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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 Thu Apr 16, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2065331991411,1cyclictest0-21swapper/310:30:123
206533199130,11cyclictest0-21swapper/310:10:123
2065331991210,1cyclictest0-21swapper/311:30:123
2065331991210,0cyclictest0-21swapper/310:20:023
206533199120,1cyclictest0-21swapper/312:25:113
206533199120,11cyclictest0-21swapper/311:55:123
206533199120,11cyclictest0-21swapper/311:15:003
206533199120,11cyclictest0-21swapper/311:00:133
206533199120,11cyclictest0-21swapper/310:35:133
206533199120,11cyclictest0-21swapper/310:00:013
2065331991110,0cyclictest0-21swapper/309:20:123
2065331991110,0cyclictest0-21swapper/308:00:163
206533199110,10cyclictest0-21swapper/309:50:013
206533199110,10cyclictest0-21swapper/308:50:183
206533199110,10cyclictest0-21swapper/308:40:003
206533199110,10cyclictest0-21swapper/307:15:123
206533199110,0cyclictest0-21swapper/310:00:113
206533199110,0cyclictest0-21swapper/309:25:163
206533199110,0cyclictest0-21swapper/308:15:123
206533199110,0cyclictest0-21swapper/307:21:573
206533199109,0cyclictest0-21swapper/310:45:133
206533199109,0cyclictest0-21swapper/309:45:123
206533199109,0cyclictest0-21swapper/309:00:153
2065331991010,0cyclictest0-21swapper/308:30:183
2065331991010,0cyclictest0-21swapper/308:25:123
2065331991010,0cyclictest0-21swapper/307:45:003
2065331991010,0cyclictest0-21swapper/307:25:093
206533199100,9cyclictest0-21swapper/311:35:203
206533199100,9cyclictest0-21swapper/310:30:013
206533199100,0cyclictest0-21swapper/311:50:123
206533199100,0cyclictest0-21swapper/309:40:163
206533199100,0cyclictest0-21swapper/309:17:013
206533199100,0cyclictest0-21swapper/309:10:173
20653319999,0cyclictest0-21swapper/309:31:333
20653319998,0cyclictest0-21swapper/310:25:003
20653319990,0cyclictest0-21swapper/307:50:153
20653319988,0cyclictest0-21swapper/312:10:173
20653319988,0cyclictest0-21swapper/308:40:023
20653319988,0cyclictest0-21swapper/308:05:183
20653319988,0cyclictest0-21swapper/307:10:103
20653319987,0cyclictest0-21swapper/310:50:163
2064527281,5sleep30-21swapper/307:05:203
20653319977,0cyclictest0-21swapper/312:24:483
20653319977,0cyclictest0-21swapper/311:40:123
20653319977,0cyclictest0-21swapper/311:05:173
20653319977,0cyclictest0-21swapper/310:55:143
20653319976,0cyclictest0-21swapper/312:15:123
20653319976,0cyclictest0-21swapper/308:20:133
20653319970,6cyclictest0-21swapper/311:19:553
20653319966,0cyclictest0-21swapper/312:35:193
20653319966,0cyclictest0-21swapper/307:45:133
20653319965,0cyclictest0-21swapper/310:40:133
20653319965,0cyclictest0-21swapper/309:05:133
20653319965,0cyclictest0-21swapper/308:55:153
20653319960,5cyclictest0-21swapper/312:05:013
20653319960,5cyclictest0-21swapper/307:30:143
20653319955,0cyclictest0-21swapper/312:05:133
20653319951,2cyclictest0-21swapper/310:05:133
20653319950,3cyclictest0-21swapper/307:35:173
20653319950,0cyclictest0-21swapper/308:50:003
2065008253,1sleep20-21swapper/207:07:232
2178674241,2sleep02178767-21grep11:45:170
20653319944,0cyclictest0-21swapper/312:30:163
20653319944,0cyclictest0-21swapper/311:47:493
20653319944,0cyclictest0-21swapper/311:25:563
20653319944,0cyclictest0-21swapper/307:55:163
20653319940,3cyclictest0-21swapper/308:10:123
20653319940,2cyclictest0-21swapper/311:20:143
20653319940,2cyclictest0-21swapper/309:35:133
2064862242,1sleep10-21swapper/107:05:301
2171331230,0sleep00-21swapper/011:29:170
2112852230,2sleep12112949-21ssh09:10:141
2108932230,1sleep20-21swapper/209:00:092
2063548231,1sleep00-21swapper/007:05:080
2199352220,1sleep12199457-21aten_r1power_po12:35:131
2198451220,1sleep00-21swapper/012:31:490
2194627220,0sleep22194653-21apt-get12:25:112
2192991220,1sleep02193073-21irqstats12:20:160
2192280220,1sleep12192289-21latency_hist12:20:011
2182256220,0sleep00-21swapper/011:55:140
2160720220,0sleep00-21swapper/011:02:390
2157216220,1sleep12157483-21df10:55:161
2154409220,0sleep00-21swapper/010:47:150
2144031220,1sleep0328-21plymouthd10:25:000
2139360220,1sleep00-21swapper/010:10:350
2137121220,0sleep00-21swapper/010:06:320
2127731220,1sleep20-21swapper/209:45:172
2118787220,0sleep20-21swapper/209:25:112
2113616220,1sleep22113789-21sed09:10:192
2111855220,1sleep02112130-21head09:05:190
2107002220,1sleep02107028-21apt-get08:55:120
2095389220,1sleep02095676-21/usr/sbin/munin08:25:130
2093778220,1sleep22093862-21irqstats08:20:152
2085847220,1sleep22085929-21irqstats08:00:142
2081737220,1sleep22082002-21diskstats07:50:132
2079826220,1sleep22079662-21/usr/sbin/munin07:45:132
2077300220,0sleep00-21swapper/007:37:430
2068321220,1sleep22068405-21irqstats07:15:152
2200632210,0sleep00-21swapper/012:35:240
2199466210,0sleep20-21swapper/212:35:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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