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2026-04-23 - 14:39
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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 Thu Apr 23, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168760699130,1cyclictest0-21swapper/307:25:113
1687606991211,0cyclictest0-21swapper/307:15:133
168760699120,11cyclictest0-21swapper/311:00:183
168760699120,11cyclictest0-21swapper/310:35:013
168760699120,11cyclictest0-21swapper/310:20:103
168760699120,11cyclictest0-21swapper/308:10:013
168760699120,11cyclictest0-21swapper/307:35:003
168760699120,10cyclictest0-21swapper/311:30:113
168760699110,10cyclictest0-21swapper/312:15:183
168760699110,10cyclictest0-21swapper/311:37:503
168760699110,10cyclictest0-21swapper/309:25:173
168760699110,10cyclictest0-21swapper/308:25:123
168760699110,0cyclictest0-21swapper/311:45:133
168760699110,0cyclictest0-21swapper/310:05:163
168760699110,0cyclictest0-21swapper/309:35:123
168760699110,0cyclictest0-21swapper/309:05:113
168760699110,0cyclictest0-21swapper/307:40:183
168760699109,0cyclictest0-21swapper/309:45:133
168760699109,0cyclictest0-21swapper/307:50:183
168760699109,0cyclictest0-21swapper/307:20:143
168760699108,1cyclictest0-21swapper/309:15:123
1687606991010,0cyclictest0-21swapper/311:15:053
1687606991010,0cyclictest0-21swapper/309:00:163
1687606991010,0cyclictest0-21swapper/307:55:113
168760699100,9cyclictest0-21swapper/311:00:013
168760699100,0cyclictest0-21swapper/312:25:213
168760699100,0cyclictest0-21swapper/312:00:183
168760699100,0cyclictest0-21swapper/308:50:113
168760699100,0cyclictest0-21swapper/308:35:103
168760699100,0cyclictest0-21swapper/307:10:103
16876069999,0cyclictest0-21swapper/310:43:163
16876069999,0cyclictest0-21swapper/309:10:093
16876069998,0cyclictest0-21swapper/312:20:103
16876069998,0cyclictest0-21swapper/309:55:013
16876069990,0cyclictest0-21swapper/312:10:163
16876069990,0cyclictest0-21swapper/309:44:553
1685800291,5sleep30-21swapper/307:05:113
16876069988,0cyclictest0-21swapper/310:50:113
16876069988,0cyclictest0-21swapper/310:00:193
16876069988,0cyclictest0-21swapper/309:20:183
16876069988,0cyclictest0-21swapper/308:40:123
16876069988,0cyclictest0-21swapper/307:45:093
16876069987,0cyclictest0-21swapper/312:05:143
16876069987,0cyclictest0-21swapper/311:55:123
16876069987,0cyclictest0-21swapper/307:30:133
16876069977,0cyclictest0-21swapper/310:35:243
16876069966,0cyclictest0-21swapper/311:20:213
16876069966,0cyclictest0-21swapper/311:05:143
16876069966,0cyclictest0-21swapper/308:05:003
16876069965,0cyclictest0-21swapper/310:25:183
16876069961,2cyclictest0-21swapper/311:10:113
16876069961,2cyclictest0-21swapper/308:10:123
16876069955,0cyclictest0-21swapper/312:35:123
16876069955,0cyclictest0-21swapper/311:40:113
16876069955,0cyclictest0-21swapper/309:30:183
16876069954,0cyclictest0-21swapper/310:45:193
16876069954,0cyclictest0-21swapper/310:10:163
16876069951,2cyclictest0-21swapper/312:30:123
16876069950,0cyclictest0-21swapper/309:55:173
1789652240,3sleep21789898-21diskstats11:20:142
1743690240,0sleep0241rcuc/009:30:160
16876069944,0cyclictest0-21swapper/311:25:463
16876069944,0cyclictest0-21swapper/308:20:143
16876069944,0cyclictest0-21swapper/308:15:203
16876069943,0cyclictest0-21swapper/308:30:113
16876069940,3cyclictest1729159-21chrt08:55:013
16876069940,2cyclictest0-21swapper/310:15:123
1687268242,1sleep20-21swapper/207:07:292
1687153242,1sleep10-21swapper/107:06:011
1806157230,1sleep11806183-21apt-get12:00:121
1794524230,0sleep10-21swapper/111:30:171
16876069933,0cyclictest0-21swapper/308:45:133
16876069931,1cyclictest0-21swapper/311:50:123
1685830231,0sleep00-21swapper/007:05:120
1810318220,1sleep00-21swapper/012:10:100
1804672220,1sleep21804822-21ntp_states11:55:152
1793374220,1sleep01793414-21munin-run11:30:010
1785899220,1sleep11786053-21ntp_states11:10:161
1773743220,1sleep11773959-21grep10:40:191
1764311220,1sleep11764579-21df10:20:131
1757889220,1sleep01757914-21ssh10:05:110
1745096220,1sleep20-21swapper/209:35:112
1735546220,1sleep21735696-21ntp_states09:10:142
1729355220,1sleep21729601-21diskstats08:55:132
1699912220,1sleep20-21swapper/207:40:002
1697617220,0sleep00-21swapper/007:32:260
1694146220,1sleep01694411-21diskstats07:25:140
1821668210,0sleep00-21swapper/012:35:170
1821154210,0sleep10-21swapper/112:35:141
1821009210,0sleep20-21swapper/212:35:062
1820586210,0sleep10-21swapper/112:33:261
1820272210,0sleep20-21swapper/212:30:392
1818938210,0sleep00-21swapper/012:30:120
1818616210,0sleep20-21swapper/212:29:262
1815814210,0sleep20-21swapper/212:20:222
1815812210,0sleep00-21swapper/012:20:200
1814662210,0sleep10-21swapper/112:20:131
1813941210,0sleep20-21swapper/212:17:262
1813721210,0sleep10-21swapper/112:15:291
1812393210,0sleep00-21swapper/012:15:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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