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2026-05-16 - 06:37
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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 Sat May 16, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112431299140,12cyclictest0-21swapper/321:10:123
112431299130,11cyclictest0-21swapper/322:00:113
112431299130,11cyclictest0-21swapper/321:55:123
112431299130,11cyclictest0-21swapper/321:40:123
1124312991211,0cyclictest0-21swapper/321:00:133
112431299120,8cyclictest0-21swapper/322:25:183
112431299120,1cyclictest0-21swapper/300:35:153
112431299120,11cyclictest0-21swapper/319:55:173
112431299120,11cyclictest0-21swapper/300:00:183
112431299119,1cyclictest0-21swapper/323:20:123
1124312991110,0cyclictest0-21swapper/300:20:123
112431299110,8cyclictest0-21swapper/323:05:143
112431299110,10cyclictest0-21swapper/323:45:013
112431299110,10cyclictest0-21swapper/300:00:013
112431299110,0cyclictest0-21swapper/320:01:063
112431299110,0cyclictest0-21swapper/300:05:123
1124312991010,0cyclictest0-21swapper/323:50:403
1124312991010,0cyclictest0-21swapper/322:55:163
1124312991010,0cyclictest0-21swapper/322:55:163
1124312991010,0cyclictest0-21swapper/322:20:013
1124312991010,0cyclictest0-21swapper/321:35:013
1124312991010,0cyclictest0-21swapper/320:35:003
1124312991010,0cyclictest0-21swapper/319:50:123
1124312991010,0cyclictest0-21swapper/319:50:003
1124312991010,0cyclictest0-21swapper/319:15:003
112431299100,9cyclictest0-21swapper/320:45:163
112431299100,0cyclictest0-21swapper/322:15:013
112431299100,0cyclictest0-21swapper/319:40:153
112431299100,0cyclictest0-21swapper/300:25:173
11243129999,0cyclictest0-21swapper/323:30:013
11243129999,0cyclictest0-21swapper/322:35:183
11243129999,0cyclictest0-21swapper/320:35:483
11243129999,0cyclictest0-21swapper/320:25:003
11243129999,0cyclictest0-21swapper/320:20:173
11243129999,0cyclictest0-21swapper/319:15:193
11243129998,0cyclictest0-21swapper/321:53:193
11243129998,0cyclictest0-21swapper/321:20:013
11243129990,0cyclictest0-21swapper/323:15:183
11243129988,0cyclictest0-21swapper/323:13:473
11243129988,0cyclictest0-21swapper/322:20:113
11243129988,0cyclictest0-21swapper/322:05:173
11243129988,0cyclictest0-21swapper/320:10:113
11243129988,0cyclictest0-21swapper/300:15:123
11243129983,1cyclictest0-21swapper/320:15:123
11243129980,0cyclictest0-21swapper/319:25:013
11243129977,0cyclictest0-21swapper/323:40:013
11243129977,0cyclictest0-21swapper/323:30:123
11243129977,0cyclictest0-21swapper/322:52:403
11243129977,0cyclictest0-21swapper/319:35:113
11243129977,0cyclictest0-21swapper/319:30:143
11243129977,0cyclictest0-21swapper/319:25:183
11243129970,0cyclictest0-21swapper/321:10:013
11243129966,0cyclictest0-21swapper/323:00:173
11243129966,0cyclictest0-21swapper/322:34:303
11243129966,0cyclictest0-21swapper/321:40:013
11243129966,0cyclictest0-21swapper/300:10:333
11243129965,0cyclictest0-21swapper/321:25:443
11243129965,0cyclictest0-21swapper/300:30:203
11243129962,3cyclictest1210646-21sleep22:49:563
1123301261,3sleep30-21swapper/319:05:193
11243129955,0cyclictest0-21swapper/320:05:123
1123673251,3sleep10-21swapper/119:05:211
1124560240,2sleep11124833-21expr19:10:131
11243129944,0cyclictest0-21swapper/322:40:193
11243129944,0cyclictest0-21swapper/321:20:533
11243129943,0cyclictest0-21swapper/320:50:133
11243129943,0cyclictest0-21swapper/320:40:173
11243129940,3cyclictest1237268-21chrt23:45:353
11243129940,3cyclictest1165583-21chrt20:55:133
11243129940,2cyclictest0-21swapper/321:45:113
1122260242,1sleep20-21swapper/219:05:022
1143842230,2sleep11143916-21latency_hist20:00:001
1122944231,1sleep00-21swapper/019:05:160
1250266220,1sleep00-21swapper/000:19:470
1244456220,1sleep01244729-21df_inode00:05:140
1244044220,1sleep21244078-21munin-run00:05:002
1240287220,1sleep11240534-21diskstats23:55:151
1233977220,1sleep01234273-21df23:40:130
1232790220,1sleep21233042-21vmstat23:35:192
1227582220,0sleep01227608-21apt-get23:25:120
1226288220,1sleep20-21swapper/223:20:182
1225498220,0sleep01225524-21apt-get23:20:120
1221308220,1sleep01220990-21kworker/u16:1+rpciod23:10:110
1218108220,1sleep01218330-21sed23:00:180
1215944220,1sleep01216122-21wc22:55:180
1215944220,1sleep01216122-21wc22:55:180
1199899220,1sleep11199923-21munin-run22:20:011
1195984220,1sleep00-21swapper/022:10:110
1189203220,0sleep00-21swapper/021:52:430
1179071220,1sleep00-21swapper/021:30:020
1175729220,1sleep00-21swapper/021:20:160
1173682220,0sleep00-21swapper/021:15:160
1173242220,1sleep11173342-21cut21:15:131
1166067220,1sleep21166221-21ntp_states20:55:182
1149845220,1sleep01149871-21apt-get20:15:120
1148118220,1sleep11148365-21diskstats20:10:131
1143530220,0sleep00-21swapper/019:55:590
1136178220,1sleep21136205-21perf19:40:012
1135935220,0sleep00-21swapper/019:36:540
1258688210,0sleep00-21swapper/000:38:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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