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2025-12-11 - 01:45
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Dec 11, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
188319399140,12cyclictest0-21swapper/322:35:123
188319399130,12cyclictest0-21swapper/323:25:123
1883193991211,0cyclictest0-21swapper/320:10:123
188319399120,8cyclictest0-21swapper/321:55:013
188319399120,11cyclictest0-21swapper/322:55:013
188319399120,11cyclictest0-21swapper/319:40:143
188319399119,1cyclictest0-21swapper/320:55:153
1883193991110,1cyclictest0-21swapper/323:15:133
1883193991110,0cyclictest69450irq/121-eno122:10:213
1883193991110,0cyclictest0-21swapper/320:45:123
188319399110,11cyclictest0-21swapper/322:25:183
188319399110,10cyclictest69450irq/121-eno123:10:153
188319399110,10cyclictest69450irq/121-eno122:42:133
188319399110,10cyclictest69450irq/121-eno121:45:153
188319399110,10cyclictest0-21swapper/321:40:203
188319399110,10cyclictest0-21swapper/319:35:013
188319399110,10cyclictest0-21swapper/319:25:003
188319399110,10cyclictest0-21swapper/300:25:223
188319399110,10cyclictest0-21swapper/300:20:193
188319399110,0cyclictest0-21swapper/323:05:003
188319399110,0cyclictest0-21swapper/322:30:123
188319399110,0cyclictest0-21swapper/322:15:143
188319399110,0cyclictest0-21swapper/321:25:193
188319399110,0cyclictest0-21swapper/321:20:143
188319399110,0cyclictest0-21swapper/300:10:133
188319399110,0cyclictest0-21swapper/300:10:133
188319399109,0cyclictest69450irq/121-eno120:35:163
188319399109,0cyclictest0-21swapper/323:00:013
188319399109,0cyclictest0-21swapper/300:00:203
1883193991010,0cyclictest69450irq/121-eno123:53:383
1883193991010,0cyclictest69450irq/121-eno121:10:143
1883193991010,0cyclictest69450irq/121-eno119:19:223
1883193991010,0cyclictest69450irq/121-eno100:37:453
1883193991010,0cyclictest0-21swapper/320:30:183
1883193991010,0cyclictest0-21swapper/320:05:193
1883193991010,0cyclictest0-21swapper/320:00:153
1883193991010,0cyclictest0-21swapper/300:15:133
188319399100,9cyclictest69450irq/121-eno123:58:223
188319399100,9cyclictest69450irq/121-eno122:05:023
188319399100,9cyclictest69450irq/121-eno121:30:173
188319399100,8cyclictest0-21swapper/321:15:123
188319399100,0cyclictest0-21swapper/323:40:183
188319399100,0cyclictest0-21swapper/323:20:193
188319399100,0cyclictest0-21swapper/300:08:253
18831939999,0cyclictest69450irq/121-eno123:40:013
18831939999,0cyclictest69450irq/121-eno123:30:163
18831939999,0cyclictest69450irq/121-eno121:35:203
18831939999,0cyclictest69450irq/121-eno120:17:023
18831939999,0cyclictest69450irq/121-eno119:56:053
18831939999,0cyclictest69450irq/121-eno119:45:153
18831939999,0cyclictest0-21swapper/319:35:103
18831939999,0cyclictest0-21swapper/319:25:143
18831939998,1cyclictest0-21swapper/319:50:103
18831939998,1cyclictest0-21swapper/319:50:103
18831939990,8cyclictest0-21swapper/320:40:173
18831939988,0cyclictest69450irq/121-eno122:01:553
18831939988,0cyclictest69450irq/121-eno120:20:173
18831939988,0cyclictest0-21swapper/321:05:123
18831939988,0cyclictest0-21swapper/321:05:003
18831939980,7cyclictest69450irq/121-eno122:20:163
18831939977,0cyclictest69450irq/121-eno123:06:483
18831939977,0cyclictest69450irq/121-eno100:31:093
18831939970,6cyclictest69450irq/121-eno123:46:343
18831939970,3cyclictest0-21swapper/319:13:023
1882712261,4sleep20-21swapper/219:05:442
18831939955,0cyclictest69450irq/121-eno121:55:053
1905781240,3sleep01905890-21aten_r1power_po20:05:140
18831939940,3cyclictest69450irq/121-eno122:45:123
18831939940,2cyclictest0-21swapper/320:50:133
1882947242,1sleep10-21swapper/119:08:431
1882144241,1sleep00-21swapper/019:05:180
1881373241,2sleep30-21swapper/319:05:043
1956043230,1sleep11956069-21apt-get22:10:131
1911777230,1sleep11911803-21apt-get20:20:121
18831939933,0cyclictest0-21swapper/320:25:153
2017606220,1sleep02017634-21apt-get00:35:150
2014999220,1sleep02015012-21apt-get00:30:010
2014641220,0sleep00-21swapper/000:26:540
2008192220,0sleep00-21swapper/000:10:330
2008192220,0sleep00-21swapper/000:10:320
2003140220,1sleep02003300-21memory00:00:160
1990239220,1sleep00-21swapper/023:30:130
1983548220,1sleep11983620-21aten_r1power_fr23:15:141
1981435220,1sleep01981463-21apt-get23:10:130
1980921220,1sleep21980925-21ssh23:07:432
1980400220,1sleep11980645-21users23:05:211
1980249220,0sleep00-21swapper/023:05:200
1976196220,1sleep21976446-21users22:55:222
1972799220,0sleep20-21swapper/222:50:132
1963905220,1sleep00-21swapper/022:27:450
1953531220,0sleep00-21swapper/022:03:320
1951889220,1sleep21951967-21aten_r1power_fr22:00:152
1950234220,1sleep11950370-21memory21:55:161
1939993220,1sleep11940203-21ntp_kernel_pll_21:30:191
1919451220,0sleep00-21swapper/020:40:110
1918381220,1sleep01918530-21switchtime20:35:190
1911347220,0sleep00-21swapper/020:17:540
1907729220,1sleep01907903-21cpuspeed20:10:130
1902033220,1sleep21902293-21cstates19:55:142
1897138220,1sleep11897362-21unixbench-2d19:40:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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