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2026-06-05 - 04:09
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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 Jun 05, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205888499138,1cyclictest0-21swapper/321:35:123
205888499130,1cyclictest0-21swapper/321:20:133
205888499130,12cyclictest0-21swapper/321:05:013
205888499128,1cyclictest0-21swapper/321:25:133
2058884991212,0cyclictest0-21swapper/323:05:123
205888499121,0cyclictest0-21swapper/300:10:163
205888499120,11cyclictest0-21swapper/322:25:183
205888499120,11cyclictest0-21swapper/320:45:173
205888499120,11cyclictest0-21swapper/319:50:113
205888499120,11cyclictest0-21swapper/319:45:113
205888499120,11cyclictest0-21swapper/300:20:133
205888499120,10cyclictest0-21swapper/321:05:123
205888499116,1cyclictest0-21swapper/320:40:113
205888499110,10cyclictest0-21swapper/322:25:013
205888499110,10cyclictest0-21swapper/321:45:013
205888499110,10cyclictest0-21swapper/319:40:003
205888499110,0cyclictest0-21swapper/323:35:013
205888499110,0cyclictest0-21swapper/322:05:123
205888499110,0cyclictest0-21swapper/319:30:113
205888499110,0cyclictest0-21swapper/300:35:133
205888499109,0cyclictest0-21swapper/300:00:113
205888499108,1cyclictest0-21swapper/320:30:113
2058884991010,0cyclictest0-21swapper/322:35:013
2058884991010,0cyclictest0-21swapper/322:00:163
2058884991010,0cyclictest0-21swapper/321:45:203
2058884991010,0cyclictest0-21swapper/319:25:003
2058884991010,0cyclictest0-21swapper/319:15:103
205888499100,8cyclictest0-21swapper/319:55:113
205888499100,0cyclictest0-21swapper/320:23:413
20588849999,0cyclictest0-21swapper/322:15:113
20588849999,0cyclictest0-21swapper/321:55:133
20588849999,0cyclictest0-21swapper/321:15:013
20588849999,0cyclictest0-21swapper/320:55:013
20588849999,0cyclictest0-21swapper/320:25:113
20588849999,0cyclictest0-21swapper/319:10:183
20588849998,1cyclictest0-21swapper/323:15:143
20588849998,0cyclictest0-21swapper/319:25:113
2057109291,5sleep30-21swapper/319:05:113
20588849988,0cyclictest0-21swapper/322:55:473
20588849988,0cyclictest0-21swapper/321:32:393
20588849988,0cyclictest0-21swapper/320:10:103
20588849980,7cyclictest0-21swapper/320:05:183
20588849977,0cyclictest0-21swapper/323:37:383
20588849977,0cyclictest0-21swapper/323:25:133
20588849977,0cyclictest0-21swapper/322:50:193
20588849977,0cyclictest0-21swapper/322:40:143
20588849977,0cyclictest0-21swapper/322:10:123
20588849977,0cyclictest0-21swapper/321:15:123
20588849977,0cyclictest0-21swapper/300:32:293
20588849977,0cyclictest0-21swapper/300:25:133
20588849977,0cyclictest0-21swapper/300:05:143
20588849977,0cyclictest0-21swapper/300:00:013
20588849976,0cyclictest0-21swapper/322:45:183
20588849973,1cyclictest0-21swapper/319:40:113
20588849966,0cyclictest0-21swapper/323:02:493
20588849966,0cyclictest0-21swapper/320:35:183
20588849961,2cyclictest0-21swapper/323:20:123
20588849960,6cyclictest0-21swapper/323:50:013
20588849955,0cyclictest0-21swapper/323:40:123
20588849955,0cyclictest0-21swapper/322:35:013
20588849954,0cyclictest0-21swapper/300:17:203
20588849951,2cyclictest0-21swapper/320:15:113
20588849950,2cyclictest0-21swapper/323:50:133
2184517240,2sleep12184543-21apt-get00:15:131
2175639240,3sleep22175677-21munin-run23:55:012
2110617240,3sleep02110641-21/usr/sbin/munin21:20:130
2109745240,3sleep02109749-21ssh21:16:410
2096207240,0sleep20-21swapper/220:45:012
20588849944,0cyclictest0-21swapper/320:01:453
20588849940,3cyclictest2123659-21chrt21:50:173
20588849940,2cyclictest0-21swapper/323:10:113
20588849940,2cyclictest0-21swapper/320:55:103
2057971241,1sleep10-21swapper/119:05:171
2057075242,1sleep20-21swapper/219:05:062
2188036232,1sleep00-21swapper/000:21:200
2131231230,1sleep02131261-21apt-get22:10:120
2130126230,2sleep02130338-21sed22:05:200
2056836231,1sleep00-21swapper/019:05:000
2191919220,1sleep22192075-21/usr/sbin/munin00:30:192
2185167220,1sleep22185293-21ntp_states00:15:182
2183280220,1sleep22183405-21python300:10:182
2182525220,1sleep10-21swapper/100:10:131
2173053220,1sleep00-21swapper/023:45:300
2166866220,1sleep00-21swapper/023:31:410
2160973220,1sleep02161029-21munin-run23:20:000
2154467220,1sleep20-21swapper/223:05:022
2143981220,0sleep00-21swapper/022:39:420
2135043220,0sleep00-21swapper/022:16:480
2119483220,0sleep00-21swapper/021:40:180
2116633220,0sleep20-21swapper/221:35:122
2113151220,1sleep02113354-21ntpq21:25:170
2108574220,1sleep22108762-21ssh21:15:152
2098488220,1sleep20-21swapper/220:50:132
2093544220,1sleep10-21swapper/120:35:191
2081302220,1sleep22081548-21diskstats20:05:142
2074855220,1sleep12074934-21wc19:50:001
2073191220,1sleep00-21swapper/019:45:110
2068412220,1sleep00-21swapper/019:30:180
2067187220,1sleep22067202-21munin-run19:30:002
2066562220,1sleep10-21swapper/119:25:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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