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2026-06-03 - 16:43
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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 Wed Jun 03, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23612799130,12cyclictest0-21swapper/312:00:123
23612799130,11cyclictest0-21swapper/309:35:113
23612799130,11cyclictest0-21swapper/308:15:123
23612799129,2cyclictest0-21swapper/310:30:123
23612799129,1cyclictest0-21swapper/311:45:123
236127991210,1cyclictest0-21swapper/311:50:113
23612799120,1cyclictest0-21swapper/308:20:133
23612799120,11cyclictest0-21swapper/312:15:183
23612799120,11cyclictest0-21swapper/310:50:113
23612799120,10cyclictest0-21swapper/309:40:123
236127991111,0cyclictest0-21swapper/312:20:183
236127991111,0cyclictest0-21swapper/307:20:123
236127991110,0cyclictest0-21swapper/311:35:113
236127991110,0cyclictest0-21swapper/310:40:143
236127991110,0cyclictest0-21swapper/310:25:193
23612799110,10cyclictest0-21swapper/311:34:553
23612799110,10cyclictest0-21swapper/309:55:173
23612799110,0cyclictest0-21swapper/307:25:123
23612799109,0cyclictest0-21swapper/310:20:123
23612799109,0cyclictest0-21swapper/310:00:163
23612799109,0cyclictest0-21swapper/309:45:113
23612799109,0cyclictest0-21swapper/309:15:133
23612799109,0cyclictest0-21swapper/307:50:173
236127991010,0cyclictest0-21swapper/308:30:193
23612799100,9cyclictest0-21swapper/308:40:213
23612799100,8cyclictest0-21swapper/311:20:183
23612799100,0cyclictest0-21swapper/309:05:013
2361279999,0cyclictest0-21swapper/312:30:013
2361279999,0cyclictest0-21swapper/312:10:133
2361279999,0cyclictest0-21swapper/311:55:183
2361279999,0cyclictest0-21swapper/311:26:303
2361279999,0cyclictest0-21swapper/310:35:163
2361279999,0cyclictest0-21swapper/308:35:143
2361279999,0cyclictest0-21swapper/307:55:123
2361279998,0cyclictest0-21swapper/312:40:013
2361279998,0cyclictest0-21swapper/311:40:133
2361279998,0cyclictest0-21swapper/308:56:293
2361279990,9cyclictest0-21swapper/307:30:183
2361279990,8cyclictest0-21swapper/312:05:113
2361279988,0cyclictest0-21swapper/310:15:453
2361279988,0cyclictest0-21swapper/309:25:133
2361279988,0cyclictest0-21swapper/309:20:103
2361279988,0cyclictest0-21swapper/308:10:123
2361279988,0cyclictest0-21swapper/308:00:113
2361279977,0cyclictest0-21swapper/310:55:113
2361279977,0cyclictest0-21swapper/310:05:493
2361279977,0cyclictest0-21swapper/309:10:183
2361279976,0cyclictest0-21swapper/312:30:193
234810271,4sleep30-21swapper/307:05:163
234810271,4sleep30-21swapper/307:05:163
2361279966,0cyclictest0-21swapper/309:30:173
2361279966,0cyclictest0-21swapper/308:49:233
2361279966,0cyclictest0-21swapper/307:35:183
2361279965,0cyclictest0-21swapper/308:30:003
2361279964,1cyclictest0-21swapper/310:10:123
2361279964,1cyclictest0-21swapper/307:40:133
2361279960,0cyclictest0-21swapper/309:00:183
2361279955,0cyclictest0-21swapper/311:14:183
2361279955,0cyclictest0-21swapper/307:10:193
2361279954,0cyclictest0-21swapper/311:15:123
2361279950,5cyclictest0-21swapper/307:15:153
2361279950,4cyclictest0-21swapper/309:50:103
235891253,1sleep20-21swapper/207:08:552
235891253,1sleep20-21swapper/207:08:552
329723240,2sleep1329897-21cat11:00:161
2361279944,0cyclictest0-21swapper/311:08:123
2361279944,0cyclictest0-21swapper/310:46:103
2361279944,0cyclictest0-21swapper/308:50:143
2361279943,0cyclictest0-21swapper/307:45:143
2361279940,3cyclictest329208-21chrt11:00:013
2361279940,3cyclictest259503-21chrt08:05:313
234935241,1sleep00-21swapper/007:05:170
234935241,1sleep00-21swapper/007:05:170
234470241,1sleep10-21swapper/107:05:141
234470241,1sleep10-21swapper/107:05:131
367834230,1sleep0367860-21apt-get12:30:130
353886230,0sleep00-21swapper/011:55:190
352640230,0sleep00-21swapper/011:54:310
326871230,2sleep2326905-21munin-run10:55:002
306385230,2sleep2306682-21cstates10:05:142
302078230,1sleep1302104-21apt-get09:55:121
250018230,1sleep2250032-21apt-get07:45:012
370346220,1sleep2370432-21irqstats12:35:152
361563220,1sleep0361615-21aten2.4-expect12:15:120
360576222,0sleep2451ktimers/212:10:502
356883220,1sleep20-21swapper/212:05:022
355054220,1sleep1355080-21apt-get12:00:121
350019220,1sleep1350021-21ssh11:47:031
343434220,1sleep00-21swapper/011:31:330
323478220,1sleep1323686-21ntpq10:45:161
319224220,1sleep1319387-21/usr/sbin/munin10:35:151
308964220,1sleep1309114-21ntp_states10:10:161
306729220,1sleep0306882-21memory10:05:160
305765220,0sleep00-21swapper/010:02:520
300769220,1sleep11-21systemd09:50:161
298531220,1sleep1298685-21ntp_states09:45:161
298036220,1sleep2298331-21df09:45:132
297391220,0sleep00-21swapper/009:42:390
296881220,1sleep10-21swapper/109:40:191
295815220,1sleep2293505-21kworker/u16:4+rpciod09:40:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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