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2026-06-10 - 11:55
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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 Wed Jun 10, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
970959991311,1cyclictest0-21swapper/300:10:113
97095999130,12cyclictest0-21swapper/322:35:113
97095999130,11cyclictest0-21swapper/321:30:123
97095999130,11cyclictest0-21swapper/300:00:133
97095999120,1cyclictest0-21swapper/320:25:113
97095999120,0cyclictest0-21swapper/320:50:113
97095999120,0cyclictest0-21swapper/300:20:123
97095999119,1cyclictest0-21swapper/322:55:133
97095999119,0cyclictest0-21swapper/300:30:133
970959991110,0cyclictest0-21swapper/321:20:123
970959991110,0cyclictest0-21swapper/319:55:123
97095999110,10cyclictest0-21swapper/323:00:183
97095999110,10cyclictest0-21swapper/321:50:013
97095999110,10cyclictest0-21swapper/320:55:123
97095999110,0cyclictest0-21swapper/323:30:113
97095999110,0cyclictest0-21swapper/322:25:113
97095999110,0cyclictest0-21swapper/300:15:143
97095999109,0cyclictest0-21swapper/320:45:113
97095999109,0cyclictest0-21swapper/319:10:103
970959991010,0cyclictest0-21swapper/323:45:123
970959991010,0cyclictest0-21swapper/322:45:123
970959991010,0cyclictest0-21swapper/321:40:013
970959991010,0cyclictest0-21swapper/321:10:013
970959991010,0cyclictest0-21swapper/320:40:123
970959991010,0cyclictest0-21swapper/320:05:013
970959991010,0cyclictest0-21swapper/319:35:013
970959991010,0cyclictest0-21swapper/319:15:113
97095999100,9cyclictest0-21swapper/322:21:413
97095999100,0cyclictest0-21swapper/323:15:013
9709599999,0cyclictest0-21swapper/323:25:013
9709599999,0cyclictest0-21swapper/321:55:133
9709599999,0cyclictest0-21swapper/321:05:133
9709599999,0cyclictest0-21swapper/320:35:133
9709599998,0cyclictest0-21swapper/323:17:013
9709599998,0cyclictest0-21swapper/319:35:203
9709599990,0cyclictest0-21swapper/322:05:133
9709599988,0cyclictest0-21swapper/323:10:013
9709599988,0cyclictest0-21swapper/322:40:203
9709599988,0cyclictest0-21swapper/322:17:163
9709599988,0cyclictest0-21swapper/322:10:103
9709599988,0cyclictest0-21swapper/322:00:153
9709599988,0cyclictest0-21swapper/321:25:183
9709599988,0cyclictest0-21swapper/320:05:113
9709599988,0cyclictest0-21swapper/319:50:163
9709599988,0cyclictest0-21swapper/319:50:163
9709599988,0cyclictest0-21swapper/319:25:103
9709599988,0cyclictest0-21swapper/300:35:113
9709599987,0cyclictest0-21swapper/322:30:193
9709599980,7cyclictest0-21swapper/323:55:143
9709599977,0cyclictest0-21swapper/300:25:133
9709599977,0cyclictest0-21swapper/300:10:013
9709599966,0cyclictest0-21swapper/321:35:143
9709599966,0cyclictest0-21swapper/321:15:213
9709599966,0cyclictest0-21swapper/320:15:103
9709599965,1cyclictest0-21swapper/323:40:133
9709599965,0cyclictest0-21swapper/323:50:133
9709599965,0cyclictest0-21swapper/322:50:113
9709599964,1cyclictest0-21swapper/321:00:193
9709599960,5cyclictest0-21swapper/320:10:193
970200260,4sleep30-21swapper/319:05:203
9709599955,0cyclictest0-21swapper/323:35:143
9709599955,0cyclictest0-21swapper/320:30:133
9709599955,0cyclictest0-21swapper/319:49:523
9709599955,0cyclictest0-21swapper/319:23:283
9709599954,0cyclictest0-21swapper/321:50:133
9709599953,1cyclictest0-21swapper/323:25:123
9709599950,4cyclictest0-21swapper/320:25:013
9709599940,3cyclictest983518-21chrt19:40:143
970613242,1sleep10-21swapper/119:07:231
970490242,1sleep20-21swapper/219:05:472
969186241,1sleep00-21swapper/019:05:130
1026247240,3sleep21-21systemd21:30:002
981166230,1sleep2981192-21apt-get19:35:132
1082781230,2sleep11083082-21awk23:40:201
1078053230,0sleep10-21swapper/123:30:151
1048281230,2sleep11048553-21sh22:20:151
1030350230,1sleep21030366-21apt-get21:40:012
1028521230,1sleep11028547-21apt-get21:35:121
997741220,0sleep00-21swapper/020:15:170
994069220,0sleep00-21swapper/020:06:290
990498220,1sleep0990512-21munin-run20:00:010
979253220,0sleep10-21swapper/119:30:121
977093220,1sleep2977127-21munin-run19:25:012
974108220,1sleep2974263-21ntpq19:15:162
1105349220,1sleep11105500-21ntp_kernel_pll_00:35:151
1104153220,1sleep21104157-21ssh00:31:482
1091934220,1sleep2766-21snmpd00:04:302
1089670220,0sleep00-21swapper/023:58:120
1088049220,1sleep20-21swapper/223:55:142
1075652220,1sleep01075891-21grep23:25:140
1071335220,0sleep00-21swapper/023:15:130
1069873220,1sleep01070026-21ntp_states23:10:170
1069359220,1sleep11069655-21expr23:10:141
1067171220,0sleep00-21swapper/023:05:130
1056202220,1sleep20-21swapper/222:40:012
1050203220,1sleep20-21swapper/222:25:122
1047850220,1sleep00-21swapper/022:20:020
1035675220,1sleep01035829-21ntp_states21:50:160
1034432221,1sleep21034434-21ssh21:46:452
1033944220,0sleep00-21swapper/021:45:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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