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2026-06-15 - 19:32
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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 15, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224834699130,12cyclictest0-21swapper/311:40:123
224834699130,12cyclictest0-21swapper/310:20:123
224834699130,11cyclictest0-21swapper/307:35:143
2248346991211,0cyclictest0-21swapper/307:55:133
224834699120,11cyclictest0-21swapper/311:45:163
224834699120,11cyclictest0-21swapper/311:10:113
224834699120,11cyclictest0-21swapper/310:45:013
224834699120,11cyclictest0-21swapper/310:35:113
224834699117,1cyclictest0-21swapper/311:25:113
2248346991110,0cyclictest0-21swapper/311:55:113
2248346991110,0cyclictest0-21swapper/311:17:193
2248346991110,0cyclictest0-21swapper/309:05:123
224834699110,10cyclictest0-21swapper/310:15:093
224834699110,10cyclictest0-21swapper/309:55:113
224834699110,10cyclictest0-21swapper/308:45:183
224834699110,10cyclictest0-21swapper/308:45:173
224834699110,10cyclictest0-21swapper/308:35:163
224834699110,10cyclictest0-21swapper/307:45:193
224834699110,0cyclictest0-21swapper/310:25:193
224834699110,0cyclictest0-21swapper/309:45:003
224834699110,0cyclictest0-21swapper/307:30:103
224834699109,0cyclictest0-21swapper/308:05:193
224834699108,1cyclictest0-21swapper/312:10:123
224834699108,0cyclictest0-21swapper/308:55:123
2248346991010,0cyclictest0-21swapper/312:05:163
2248346991010,0cyclictest0-21swapper/312:00:133
224834699100,9cyclictest0-21swapper/312:15:023
224834699100,9cyclictest0-21swapper/309:45:083
224834699100,9cyclictest0-21swapper/308:25:013
224834699100,0cyclictest0-21swapper/309:15:013
224834699100,0cyclictest0-21swapper/307:15:013
22483469999,0cyclictest0-21swapper/311:05:133
22483469999,0cyclictest0-21swapper/310:55:113
22483469999,0cyclictest0-21swapper/310:50:003
22483469999,0cyclictest0-21swapper/309:00:133
22483469999,0cyclictest0-21swapper/308:00:203
22483469999,0cyclictest0-21swapper/307:15:003
22483469998,0cyclictest0-21swapper/312:30:143
22483469998,0cyclictest0-21swapper/311:40:013
22483469990,8cyclictest0-21swapper/310:30:123
22483469990,0cyclictest0-21swapper/309:54:553
22483469990,0cyclictest0-21swapper/309:30:013
22483469988,0cyclictest0-21swapper/309:11:253
22483469987,0cyclictest0-21swapper/310:01:543
22483469980,0cyclictest0-21swapper/308:30:013
2246562281,4sleep30-21swapper/307:05:133
22483469977,0cyclictest0-21swapper/311:50:163
22483469977,0cyclictest0-21swapper/310:15:013
22483469977,0cyclictest0-21swapper/308:10:103
22483469976,1cyclictest0-21swapper/309:30:083
22483469976,0cyclictest0-21swapper/310:50:123
22483469970,6cyclictest0-21swapper/312:20:123
22483469966,0cyclictest0-21swapper/312:28:273
22483469966,0cyclictest0-21swapper/308:50:133
22483469965,0cyclictest0-21swapper/310:09:203
22483469965,0cyclictest0-21swapper/308:15:173
22483469960,5cyclictest0-21swapper/311:30:113
22483469960,5cyclictest0-21swapper/307:25:123
22483469955,0cyclictest0-21swapper/308:40:353
22483469955,0cyclictest0-21swapper/308:40:353
22483469955,0cyclictest0-21swapper/307:20:103
22483469954,0cyclictest0-21swapper/311:00:453
22483469951,2cyclictest0-21swapper/311:20:133
2248097250,1sleep10-21swapper/107:08:431
2246989251,2sleep20-21swapper/207:05:162
2345615240,1sleep12345642-21apt-get11:30:101
22483469944,0cyclictest0-21swapper/312:35:183
22483469944,0cyclictest0-21swapper/309:21:253
22483469944,0cyclictest0-21swapper/308:30:133
22483469944,0cyclictest0-21swapper/307:50:143
22483469944,0cyclictest0-21swapper/307:40:093
2247282241,1sleep00-21swapper/007:05:180
2291822230,1sleep12291848-21apt-get09:00:131
2284161230,1sleep12284187-21apt-get08:40:131
2284161230,1sleep12284187-21apt-get08:40:121
22483469933,0cyclictest0-21swapper/309:35:163
2365559220,1sleep20-21swapper/212:15:192
2360239220,1sleep12360273-21munin-run12:05:021
2359961220,0sleep00-21swapper/012:02:320
2354983220,1sleep22355111-21/usr/sbin/munin11:50:172
2353153220,1sleep02353220-21/usr/sbin/munin11:45:180
2352296220,1sleep22352567-21/usr/sbin/munin11:45:132
2347020220,1sleep00-21swapper/011:31:130
2346980220,1sleep22346984-21ssh11:30:512
2339088220,0sleep00-21swapper/011:14:570
2335170220,1sleep12335174-21ssh11:05:051
2334081220,1sleep12334293-21grep11:00:211
2324222220,1sleep22324589-21sort10:40:002
2320544220,1sleep12320749-21entropy10:30:161
2310912220,1sleep00-21swapper/010:05:010
2298654220,1sleep12298846-21sed09:15:181
2293770220,1sleep02293928-21cpu09:05:120
2292725220,0sleep00-21swapper/009:00:200
2270967220,1sleep22271169-21diskstats08:05:152
2268557220,1sleep02268613-21munin-run08:00:000
2265499220,0sleep00-21swapper/007:50:160
2251653220,1sleep12251853-21/usr/sbin/munin07:15:161
2374744210,0sleep20-21swapper/212:39:122
2373876210,0sleep10-21swapper/112:35:191
2372671210,0sleep20-21swapper/212:34:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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