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2026-06-14 - 10:24
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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 Jun 14, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31204699141,1cyclictest0-21swapper/320:30:113
31204699130,1cyclictest0-21swapper/321:30:113
31204699130,11cyclictest0-21swapper/323:50:133
31204699130,11cyclictest0-21swapper/319:45:133
31204699130,11cyclictest0-21swapper/319:20:003
31204699129,1cyclictest0-21swapper/323:40:113
312046991211,0cyclictest0-21swapper/320:55:193
31204699120,1cyclictest0-21swapper/300:05:143
31204699120,11cyclictest0-21swapper/321:45:163
31204699120,11cyclictest0-21swapper/320:25:003
31204699120,11cyclictest0-21swapper/300:30:013
31204699120,11cyclictest0-21swapper/300:20:183
31204699120,0cyclictest0-21swapper/323:35:143
31204699119,1cyclictest0-21swapper/322:40:133
312046991110,0cyclictest0-21swapper/322:02:583
31204699110,10cyclictest0-21swapper/323:00:123
31204699110,10cyclictest0-21swapper/320:40:183
31204699110,10cyclictest0-21swapper/320:35:123
31204699110,10cyclictest0-21swapper/320:14:563
31204699110,10cyclictest0-21swapper/319:35:183
31204699110,10cyclictest0-21swapper/319:10:173
31204699110,0cyclictest0-21swapper/323:10:153
31204699110,0cyclictest0-21swapper/319:25:163
31204699109,0cyclictest0-21swapper/322:10:093
31204699109,0cyclictest0-21swapper/319:55:123
312046991010,0cyclictest0-21swapper/321:25:023
312046991010,0cyclictest0-21swapper/320:15:173
312046991010,0cyclictest0-21swapper/300:35:023
31204699100,9cyclictest0-21swapper/321:20:013
31204699100,0cyclictest0-21swapper/300:05:003
3120469999,0cyclictest0-21swapper/322:23:073
3120469999,0cyclictest0-21swapper/322:15:193
3120469999,0cyclictest0-21swapper/322:05:193
3120469999,0cyclictest0-21swapper/321:55:153
3120469999,0cyclictest0-21swapper/300:35:173
3120469997,1cyclictest0-21swapper/320:25:133
3120469990,8cyclictest0-21swapper/321:50:203
3120469990,8cyclictest0-21swapper/321:20:203
3120469990,0cyclictest0-21swapper/300:15:213
3120469990,0cyclictest0-21swapper/300:10:213
3120469988,0cyclictest0-21swapper/321:35:113
3120469988,0cyclictest0-21swapper/320:55:023
3120469988,0cyclictest0-21swapper/320:45:133
3120469988,0cyclictest0-21swapper/320:10:003
3120469988,0cyclictest0-21swapper/319:30:143
3120469987,0cyclictest0-21swapper/319:50:143
3120469977,0cyclictest0-21swapper/323:15:113
3120469977,0cyclictest0-21swapper/322:25:133
3120469977,0cyclictest0-21swapper/321:11:323
3120469977,0cyclictest0-21swapper/321:11:313
3120469970,6cyclictest0-21swapper/323:59:593
3120469970,6cyclictest0-21swapper/322:30:193
310320271,4sleep30-21swapper/319:05:143
3120469966,0cyclictest0-21swapper/323:20:173
3120469966,0cyclictest0-21swapper/322:59:593
3120469966,0cyclictest0-21swapper/319:15:123
3120469965,0cyclictest0-21swapper/323:30:163
3120469965,0cyclictest0-21swapper/322:35:073
3120469964,1cyclictest0-21swapper/323:45:123
3120469960,3cyclictest0-21swapper/320:00:103
3120469955,0cyclictest0-21swapper/322:50:183
3120469950,0cyclictest0-21swapper/322:50:013
359627240,2sleep0359710-21awk21:10:180
359627240,2sleep0359710-21awk21:10:180
3120469944,0cyclictest0-21swapper/323:05:003
3120469944,0cyclictest0-21swapper/321:40:123
3120469943,0cyclictest0-21swapper/319:40:113
3120469941,1cyclictest0-21swapper/323:25:133
3120469940,3cyclictest356998-21chrt21:05:133
3120469940,2cyclictest0-21swapper/321:00:133
311746242,1sleep10-21swapper/119:08:081
310220242,1sleep20-21swapper/219:05:052
422594230,2sleep0422749-21ntpq23:40:160
396930231,1sleep1396956-21apt-get22:40:131
371077230,2sleep1371180-21cmp21:40:011
332090230,1sleep0332117-21apt-get20:00:110
311668231,1sleep00-21swapper/019:07:070
445201220,1sleep1445227-21apt-get00:35:131
443301220,0sleep00-21swapper/000:30:150
430580220,1sleep1430787-21cat00:00:141
426142220,0sleep0426168-21apt-get23:50:120
415114220,0sleep00-21swapper/023:21:580
412930220,1sleep10-21swapper/123:16:201
404726220,0sleep10-21swapper/122:57:341
400838220,1sleep0401006-21cut22:50:000
399754220,1sleep1399862-21ssh22:45:181
398701220,0sleep00-21swapper/022:44:320
396959220,1sleep2396931-21/usr/sbin/munin22:40:142
392741220,1sleep1392767-21apt-get22:30:121
391960220,1sleep1766-21snmpd22:27:401
391403220,1sleep00-21swapper/022:25:190
385953220,1sleep20-21swapper/222:15:002
383352220,0sleep00-21swapper/022:05:210
382043220,0sleep20-21swapper/222:05:122
378329220,1sleep1378482-21memory21:55:191
375001220,0sleep00-21swapper/021:45:200
373436220,1sleep00-21swapper/021:44:570
366725220,0sleep00-21swapper/021:27:230
364728220,1sleep2364744-21apt-get21:25:022
357617220,1sleep0357771-21ntp_states21:05:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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