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2026-05-10 - 18:44
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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 Sun May 10, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3996297991411,1cyclictest0-21swapper/312:00:103
3996297991410,1cyclictest0-21swapper/312:05:113
399629799140,12cyclictest0-21swapper/311:20:113
399629799140,12cyclictest0-21swapper/308:45:123
399629799139,1cyclictest0-21swapper/312:35:123
399629799130,11cyclictest0-21swapper/307:55:113
399629799120,0cyclictest0-21swapper/312:15:133
3996297991111,0cyclictest0-21swapper/307:20:123
3996297991110,0cyclictest0-21swapper/309:05:013
399629799110,8cyclictest0-21swapper/308:05:183
399629799110,0cyclictest0-21swapper/310:10:123
399629799110,0cyclictest0-21swapper/309:05:123
399629799110,0cyclictest0-21swapper/307:40:113
399629799110,0cyclictest0-21swapper/307:35:133
399629799109,1cyclictest0-21swapper/307:45:123
399629799109,0cyclictest0-21swapper/308:30:163
399629799108,2cyclictest0-21swapper/312:00:013
399629799107,1cyclictest0-21swapper/310:15:123
3996297991010,0cyclictest0-21swapper/312:20:123
3996297991010,0cyclictest0-21swapper/311:40:143
3996297991010,0cyclictest0-21swapper/311:35:023
3996297991010,0cyclictest0-21swapper/310:40:183
3996297991010,0cyclictest0-21swapper/309:45:163
3996297991010,0cyclictest0-21swapper/309:40:123
3996297991010,0cyclictest0-21swapper/309:10:103
399629799100,9cyclictest0-21swapper/312:25:183
399629799100,9cyclictest0-21swapper/310:05:153
399629799100,9cyclictest0-21swapper/308:45:013
399629799100,9cyclictest0-21swapper/307:15:163
399629799100,8cyclictest0-21swapper/310:55:143
399629799100,8cyclictest0-21swapper/310:55:143
399629799100,0cyclictest0-21swapper/310:30:003
39962979999,0cyclictest0-21swapper/311:50:023
39962979999,0cyclictest0-21swapper/310:46:393
39962979999,0cyclictest0-21swapper/310:30:193
39962979999,0cyclictest0-21swapper/307:10:123
39962979998,0cyclictest0-21swapper/309:50:113
39962979998,0cyclictest0-21swapper/308:00:133
39962979990,8cyclictest0-21swapper/310:20:173
39962979990,8cyclictest0-21swapper/308:55:003
39962979990,0cyclictest0-21swapper/308:35:123
39962979988,0cyclictest0-21swapper/311:25:133
39962979988,0cyclictest0-21swapper/311:13:263
39962979988,0cyclictest0-21swapper/311:05:173
39962979988,0cyclictest0-21swapper/311:00:183
39962979988,0cyclictest0-21swapper/310:50:103
39962979988,0cyclictest0-21swapper/310:00:123
39962979988,0cyclictest0-21swapper/308:20:133
39962979987,0cyclictest0-21swapper/311:15:133
39962979987,0cyclictest0-21swapper/309:25:133
39962979987,0cyclictest0-21swapper/308:25:193
39962979980,0cyclictest0-21swapper/307:30:173
39962979977,0cyclictest0-21swapper/309:15:183
39962979977,0cyclictest0-21swapper/307:50:213
39962979966,0cyclictest0-21swapper/310:35:163
39962979966,0cyclictest0-21swapper/309:55:123
39962979966,0cyclictest0-21swapper/308:55:203
39962979966,0cyclictest0-21swapper/308:10:173
39962979965,0cyclictest0-21swapper/309:30:133
39962979960,0cyclictest0-21swapper/311:30:193
3994676260,4sleep30-21swapper/307:05:133
4087515255,0sleep00-21swapper/010:50:210
4081723250,0sleep04081749-21apt-get10:40:120
39962979955,0cyclictest0-21swapper/309:20:193
39962979955,0cyclictest0-21swapper/307:25:123
39962979954,0cyclictest0-21swapper/312:10:143
39962979954,0cyclictest0-21swapper/311:52:043
3995951250,1sleep20-21swapper/207:07:252
4078069240,3sleep14078275-21ntpq10:30:171
3996455240,3sleep03996484-21/usr/sbin/munin07:10:120
39962979940,3cyclictest4055666-21chrt09:35:393
39962979940,3cyclictest4023766-21chrt08:17:383
39962979940,0cyclictest0-21swapper/312:30:123
3994482242,1sleep10-21swapper/107:05:031
4128218230,1sleep14128244-21apt-get12:30:131
4044412230,2sleep14044547-21run-parts09:10:161
3995407231,1sleep00-21swapper/007:05:180
4125028220,0sleep10-21swapper/112:20:191
4121296220,1sleep04121298-21ssh12:11:310
4116322220,1sleep14116476-21ntp_states12:00:151
4100578220,1sleep24100611-21systemd-run11:25:022
4100392220,1sleep00-21swapper/011:23:240
4097066220,1sleep00-21swapper/011:15:140
4096268220,1sleep00-21swapper/011:13:590
4092631220,1sleep04092906-21df_inode11:05:140
4091708220,1sleep00-21swapper/011:00:250
4081296220,1sleep10-21swapper/110:38:421
4075024220,0sleep00-21swapper/010:23:280
4069187220,1sleep20-21swapper/210:10:122
4068409220,0sleep00-21swapper/010:05:230
4056138220,1sleep04056161-21munin-run09:40:000
4051657220,0sleep00-21swapper/009:29:080
4047693220,1sleep14047719-21apt-get09:20:121
4041478220,1sleep24041497-21munin-run09:05:012
4029412220,0sleep00-21swapper/008:31:130
4021172220,1sleep04021344-21python308:10:200
4014370220,1sleep24014560-21cut07:55:012
4013142220,0sleep00-21swapper/007:50:180
4011315220,1sleep24011519-21ntp_kernel_err07:45:152
4011230220,1sleep1341rcuc/107:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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