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2026-06-01 - 02:58
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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 Mon Jun 01, 2026 00:43:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
285062699141,1cyclictest0-21swapper/320:55:133
285062699131,11cyclictest0-21swapper/322:50:193
2850626991311,1cyclictest0-21swapper/322:15:113
285062699130,11cyclictest0-21swapper/323:45:123
285062699127,1cyclictest0-21swapper/319:20:143
2850626991211,0cyclictest0-21swapper/323:20:133
2850626991211,0cyclictest0-21swapper/319:35:123
2850626991210,1cyclictest0-21swapper/323:05:133
285062699120,1cyclictest0-21swapper/322:00:163
285062699120,11cyclictest0-21swapper/322:50:003
285062699120,11cyclictest0-21swapper/321:10:173
285062699120,11cyclictest0-21swapper/321:05:213
285062699120,11cyclictest0-21swapper/320:00:203
285062699120,11cyclictest0-21swapper/300:00:133
2850626991111,0cyclictest0-21swapper/319:50:133
2850626991111,0cyclictest0-21swapper/319:40:113
2850626991111,0cyclictest0-21swapper/300:35:123
2850626991110,0cyclictest0-21swapper/323:35:133
285062699110,10cyclictest0-21swapper/322:10:013
285062699110,10cyclictest0-21swapper/320:40:183
285062699110,10cyclictest0-21swapper/300:31:163
285062699110,0cyclictest0-21swapper/323:55:183
285062699110,0cyclictest0-21swapper/321:25:163
285062699110,0cyclictest0-21swapper/319:20:003
285062699108,1cyclictest0-21swapper/322:20:123
2850626991010,0cyclictest0-21swapper/323:10:163
2850626991010,0cyclictest0-21swapper/322:35:193
2850626991010,0cyclictest0-21swapper/322:25:193
2850626991010,0cyclictest0-21swapper/321:30:173
2850626991010,0cyclictest0-21swapper/320:10:143
285062699100,0cyclictest0-21swapper/320:30:013
28506269999,0cyclictest0-21swapper/321:20:183
28506269999,0cyclictest0-21swapper/321:20:003
28506269999,0cyclictest0-21swapper/300:20:223
28506269999,0cyclictest0-21swapper/300:15:153
28506269998,0cyclictest0-21swapper/320:20:013
28506269997,1cyclictest0-21swapper/323:40:133
28506269990,9cyclictest0-21swapper/322:40:183
28506269988,0cyclictest0-21swapper/323:30:113
28506269988,0cyclictest0-21swapper/323:30:003
28506269988,0cyclictest0-21swapper/322:55:123
28506269988,0cyclictest0-21swapper/322:30:223
28506269988,0cyclictest0-21swapper/322:15:023
28506269988,0cyclictest0-21swapper/321:36:363
28506269988,0cyclictest0-21swapper/321:00:193
28506269988,0cyclictest0-21swapper/319:30:133
28506269987,0cyclictest0-21swapper/323:15:113
28506269987,0cyclictest0-21swapper/300:10:123
28506269980,8cyclictest0-21swapper/320:34:553
28506269980,7cyclictest0-21swapper/320:35:173
28506269980,0cyclictest0-21swapper/320:05:143
2850305281,5sleep30-21swapper/319:07:363
28506269977,0cyclictest0-21swapper/319:55:353
28506269977,0cyclictest0-21swapper/319:45:183
28506269977,0cyclictest0-21swapper/319:25:063
28506269977,0cyclictest0-21swapper/319:10:163
28506269970,6cyclictest0-21swapper/323:50:013
28506269970,0cyclictest0-21swapper/320:25:003
2972170261,2sleep12972196-21apt-get00:10:081
28506269960,3cyclictest0-21swapper/321:45:023
2848834261,3sleep10-21swapper/119:05:131
2857025250,2sleep02857130-21aten2.4-expect19:25:140
28506269955,0cyclictest0-21swapper/321:50:053
28506269954,0cyclictest0-21swapper/321:55:173
28506269944,0cyclictest0-21swapper/323:01:153
28506269944,0cyclictest0-21swapper/321:44:253
28506269944,0cyclictest0-21swapper/320:45:203
28506269940,3cyclictest2978430-21chrt00:25:033
28506269940,0cyclictest0-21swapper/300:05:013
2849801240,2sleep02850022-21grep19:05:200
2969302230,1sleep20-21swapper/200:00:132
2911306230,2sleep22911615-21awk21:40:202
2892284230,1sleep12892310-21apt-get20:55:131
28506269932,0cyclictest0-21swapper/320:50:073
2850138231,1sleep20-21swapper/219:05:272
2977950220,0sleep00-21swapper/000:22:520
2973580220,0sleep00-21swapper/000:11:150
2967938220,1sleep02968071-21processes23:55:180
2959187221,0sleep02959340-21ntp_states23:35:180
2956171220,0sleep20-21swapper/223:29:302
2955731220,0sleep00-21swapper/023:25:330
2954150220,1sleep00-21swapper/023:25:010
2948885220,1sleep12949002-21wc23:10:171
2929347220,1sleep02929351-21ssh22:25:040
2926688220,0sleep00-21swapper/022:17:130
2924923220,1sleep12924944-21perf22:15:011
2921902220,1sleep02922055-21threads22:05:200
2912793220,1sleep02913088-21df21:45:140
2910417220,1sleep02910633-21tr21:40:140
2910304220,0sleep10-21swapper/121:40:031
2908219220,0sleep20-21swapper/221:35:122
2901378220,0sleep00-21swapper/021:15:240
2894988220,1sleep22895116-21/usr/sbin/munin21:00:172
2894833220,1sleep10-21swapper/121:00:161
2892963220,1sleep22892285-21/usr/sbin/munin20:55:182
2890529220,1sleep00-21swapper/020:50:140
2890375220,0sleep20-21swapper/220:50:122
2890127220,1sleep22890297-21cat20:50:002
2878889220,1sleep12878915-21apt-get20:20:141
2878356220,1sleep02878381-21apt-get20:20:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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