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2026-05-15 - 12:10
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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 May 15, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127493899130,11cyclictest0-21swapper/323:40:133
127493899130,11cyclictest0-21swapper/323:40:123
127493899120,1cyclictest0-21swapper/320:20:003
127493899120,11cyclictest0-21swapper/323:25:133
127493899120,11cyclictest0-21swapper/323:00:013
127493899120,11cyclictest0-21swapper/320:30:213
127493899120,10cyclictest0-21swapper/300:05:143
127493899119,0cyclictest0-21swapper/321:35:143
1274938991111,0cyclictest0-21swapper/319:40:183
1274938991110,0cyclictest0-21swapper/321:20:123
1274938991110,0cyclictest0-21swapper/300:00:103
127493899110,10cyclictest0-21swapper/323:25:013
127493899110,10cyclictest0-21swapper/321:40:113
127493899110,10cyclictest0-21swapper/320:40:163
127493899110,10cyclictest0-21swapper/320:00:183
127493899110,10cyclictest0-21swapper/300:35:013
127493899110,0cyclictest0-21swapper/321:25:123
127493899107,2cyclictest0-21swapper/322:00:123
1274938991010,0cyclictest0-21swapper/323:50:183
1274938991010,0cyclictest0-21swapper/319:55:023
1274938991010,0cyclictest0-21swapper/300:35:153
1274938991010,0cyclictest0-21swapper/300:00:003
127493899100,9cyclictest0-21swapper/323:45:183
127493899100,9cyclictest0-21swapper/320:10:153
127493899100,9cyclictest0-21swapper/319:35:013
127493899100,10cyclictest1339960-21turbostat21:59:563
127493899100,0cyclictest0-21swapper/323:10:173
127493899100,0cyclictest0-21swapper/322:35:203
127493899100,0cyclictest0-21swapper/322:30:123
127493899100,0cyclictest0-21swapper/322:25:093
127493899100,0cyclictest0-21swapper/300:15:183
12749389999,0cyclictest0-21swapper/322:50:183
12749389999,0cyclictest0-21swapper/319:45:113
12749389999,0cyclictest0-21swapper/319:20:103
12749389998,0cyclictest0-21swapper/323:05:113
12749389998,0cyclictest0-21swapper/321:50:003
12749389998,0cyclictest0-21swapper/319:25:163
12749389990,8cyclictest0-21swapper/323:20:013
12749389990,0cyclictest0-21swapper/322:10:003
1274608291,5sleep30-21swapper/319:07:423
12749389988,0cyclictest0-21swapper/321:15:143
12749389988,0cyclictest0-21swapper/321:10:133
12749389988,0cyclictest0-21swapper/320:35:183
12749389988,0cyclictest0-21swapper/319:20:013
12749389988,0cyclictest0-21swapper/300:20:023
12749389985,1cyclictest0-21swapper/323:35:133
12749389977,0cyclictest0-21swapper/320:20:113
12749389977,0cyclictest0-21swapper/319:30:123
12749389976,0cyclictest0-21swapper/322:05:133
12749389976,0cyclictest0-21swapper/321:30:133
12749389976,0cyclictest0-21swapper/320:25:093
12749389966,0cyclictest0-21swapper/323:30:163
12749389966,0cyclictest0-21swapper/322:45:153
12749389966,0cyclictest0-21swapper/322:40:123
12749389966,0cyclictest0-21swapper/322:20:113
12749389960,5cyclictest0-21swapper/320:45:173
1273154260,4sleep11273274-21aten2.4-expect19:05:131
12749389954,0cyclictest0-21swapper/323:00:183
12749389954,0cyclictest0-21swapper/322:15:013
12749389954,0cyclictest0-21swapper/321:05:523
12749389953,1cyclictest0-21swapper/300:26:323
12749389951,2cyclictest0-21swapper/319:50:123
1274492251,2sleep20-21swapper/219:06:142
12749389944,0cyclictest0-21swapper/321:50:113
12749389944,0cyclictest0-21swapper/300:10:193
12749389943,0cyclictest0-21swapper/320:50:123
12749389940,4cyclictest0-21swapper/321:00:013
12749389940,3cyclictest1298156-21chrt20:08:103
12749389940,2cyclictest0-21swapper/321:00:123
12749389940,2cyclictest0-21swapper/319:10:123
1398971230,2sleep21398990-21/usr/sbin/munin00:15:022
1381170230,2sleep01381421-21users23:30:210
1355987230,2sleep21356168-21sort22:30:192
1351410230,2sleep20-21swapper/222:20:142
1348294230,2sleep11348636-21latency_hist22:15:011
1336842230,2sleep21336042-21/usr/sbin/munin21:45:192
1317019230,2sleep01317268-21sed20:55:180
1288971230,1sleep11288997-21apt-get19:45:121
1283216230,1sleep11283242-21apt-get19:30:111
1274103231,0sleep00-21swapper/019:05:200
1401681221,0sleep21401896-21cpuspeed_turbos00:20:132
1383903220,0sleep00-21swapper/023:38:520
1382236220,1sleep10-21swapper/123:35:141
1369696220,0sleep10-21swapper/123:05:121
1369442220,1sleep21-21systemd23:05:012
1365512220,1sleep21365567-21telnet22:55:132
1342825220,1sleep10-21swapper/122:00:151
1340200220,1sleep11340226-21apt-get21:55:121
1336196220,1sleep11336042-21/usr/sbin/munin21:45:151
1332561220,1sleep11332662-21awk21:35:181
1328460220,1sleep01328610-21ntp_states21:25:170
1323818220,0sleep21323844-21apt-get21:15:142
1319638220,0sleep00-21swapper/021:04:560
1319632220,0sleep10-21swapper/121:04:531
1310693220,1sleep01310773-21idleruntime20:40:130
1304561220,1sleep11304587-21apt-get20:25:101
1303502220,1sleep01303619-21python320:20:170
1290635220,1sleep21290640-21cron19:50:002
1277459220,1sleep20-21swapper/219:15:112
1276751220,1sleep0328-21plymouthd19:15:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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