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2026-04-30 - 17:05
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Apr 30, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78699499130,1cyclictest0-21swapper/307:10:083
78699499130,11cyclictest0-21swapper/311:50:123
78699499130,11cyclictest0-21swapper/311:35:143
78699499130,11cyclictest0-21swapper/310:45:123
786994991210,2cyclictest0-21swapper/309:35:013
786994991210,1cyclictest0-21swapper/309:35:113
78699499120,1cyclictest0-21swapper/310:35:163
78699499120,1cyclictest0-21swapper/310:10:133
78699499120,1cyclictest0-21swapper/307:50:113
78699499120,11cyclictest0-21swapper/312:00:183
78699499120,11cyclictest0-21swapper/310:15:113
78699499120,11cyclictest0-21swapper/309:10:103
78699499120,11cyclictest0-21swapper/309:05:133
78699499120,0cyclictest0-21swapper/309:25:123
786994991110,0cyclictest0-21swapper/312:30:113
786994991110,0cyclictest0-21swapper/309:15:113
78699499110,11cyclictest0-21swapper/311:15:013
78699499110,10cyclictest0-21swapper/311:30:013
78699499110,10cyclictest0-21swapper/311:15:113
78699499110,10cyclictest0-21swapper/308:45:173
78699499110,10cyclictest0-21swapper/308:35:123
78699499110,10cyclictest0-21swapper/308:20:013
78699499109,0cyclictest0-21swapper/312:15:183
786994991010,0cyclictest0-21swapper/312:35:123
786994991010,0cyclictest0-21swapper/311:45:123
786994991010,0cyclictest0-21swapper/308:55:103
786994991010,0cyclictest0-21swapper/307:25:123
78699499100,9cyclictest0-21swapper/309:20:273
78699499100,0cyclictest0-21swapper/311:55:123
78699499100,0cyclictest0-21swapper/310:30:113
78699499100,0cyclictest0-21swapper/307:45:173
7869949999,0cyclictest0-21swapper/310:25:123
7869949999,0cyclictest0-21swapper/310:04:113
7869949999,0cyclictest0-21swapper/308:25:173
7869949999,0cyclictest0-21swapper/307:30:153
7869949998,0cyclictest0-21swapper/309:40:123
7869949990,8cyclictest0-21swapper/310:50:143
7869949988,0cyclictest0-21swapper/311:41:203
7869949988,0cyclictest0-21swapper/311:20:163
7869949988,0cyclictest0-21swapper/309:50:113
7869949988,0cyclictest0-21swapper/309:45:183
7869949988,0cyclictest0-21swapper/308:10:103
7869949988,0cyclictest0-21swapper/308:00:003
7869949977,0cyclictest0-21swapper/312:10:153
7869949977,0cyclictest0-21swapper/311:34:313
7869949977,0cyclictest0-21swapper/308:40:163
7869949976,0cyclictest0-21swapper/311:03:263
7869949976,0cyclictest0-21swapper/309:58:473
7869949976,0cyclictest0-21swapper/308:20:003
7869949970,7cyclictest0-21swapper/310:10:013
7869949970,6cyclictest0-21swapper/307:36:023
7869949966,0cyclictest0-21swapper/312:05:113
7869949966,0cyclictest0-21swapper/310:58:413
7869949966,0cyclictest0-21swapper/310:24:563
7869949966,0cyclictest0-21swapper/308:05:113
786481261,3sleep30-21swapper/307:05:043
7869949955,0cyclictest0-21swapper/312:20:173
7869949955,0cyclictest0-21swapper/308:00:193
7869949955,0cyclictest0-21swapper/307:15:113
7869949951,2cyclictest0-21swapper/308:30:123
7869949950,2cyclictest0-21swapper/309:00:123
786623250,1sleep10-21swapper/107:06:551
895699240,2sleep0895725-21apt-get11:40:110
7869949944,0cyclictest0-21swapper/312:25:133
7869949944,0cyclictest0-21swapper/307:40:033
7869949940,3cyclictest791477-21chrt07:20:053
786500242,1sleep20-21swapper/207:05:192
897780230,1sleep1897806-21apt-get11:45:121
889947230,2sleep2890104-21sed11:25:162
876161230,0sleep20-21swapper/210:50:572
852093230,2sleep10-21swapper/109:55:171
843200230,2sleep1843318-21aten2.4-expect09:35:131
802911230,1sleep0802919-21apt-get07:50:010
7869949933,0cyclictest0-21swapper/308:51:133
7869949931,1cyclictest0-21swapper/311:05:123
7869949930,2cyclictest0-21swapper/310:40:123
920927220,0sleep10-21swapper/112:37:071
908215220,1sleep0908287-21apt-key12:10:010
898462220,0sleep20-21swapper/211:45:172
895157220,1sleep00-21swapper/011:37:380
881991220,1sleep2881085-21/usr/sbin/munin11:05:182
871035220,1sleep0871192-21sed10:40:150
865214220,1sleep1865432-21sed10:25:191
859459220,1sleep00-21swapper/010:13:570
858370221,0sleep10-21swapper/110:10:181
857498220,1sleep0857719-21sed10:10:020
849143220,1sleep1849159-21munin-run09:50:011
841824220,1sleep1841141-21/usr/sbin/munin09:30:191
833673220,1sleep2833823-21ntp_states09:10:152
816158220,1sleep1816398-21grep08:20:191
808056220,1sleep1808228-21python308:00:181
801000220,1sleep00-21swapper/007:45:000
799490220,1sleep2799763-21df_inode07:40:142
798571220,0sleep20-21swapper/207:36:022
786245221,0sleep00-21swapper/007:05:010
920885210,0sleep00-21swapper/012:36:460
919422210,0sleep20-21swapper/212:35:122
917959210,0sleep20-21swapper/212:30:162
917342210,0sleep10-21swapper/112:30:121
916968210,0sleep10-21swapper/112:28:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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