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2026-07-09 - 03:06
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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 rack5slot2.osadl.org (updated Thu Jul 09, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252052198182,12sleep00-21swapper/019:07:340
250942188177,8sleep30-21swapper/319:06:083
253042185170,11sleep10-21swapper/119:08:521
251032182156,21sleep20-21swapper/219:06:162
105652420,0sleep10-21swapper/123:44:591
188222130,0sleep10-21swapper/121:24:381
79832110,0sleep20-21swapper/200:31:362
225322110,0sleep30-21swapper/321:58:073
96532100,1sleep30-21swapper/323:27:553
2557499102,4cyclictest6914-21munin-run22:55:000
2557499102,4cyclictest18219-21munin-run00:04:590
170132100,0sleep317015-21ntp_offset23:15:173
255749992,1cyclictest0-21swapper/020:25:100
255749991,2cyclictest0-21swapper/021:15:130
255749981,1cyclictest0-21swapper/000:15:090
255919971,5cyclictest0-21swapper/320:20:103
255749973,1cyclictest3-21ksoftirqd/019:15:020
255749971,2cyclictest0-21swapper/020:45:120
255749971,1cyclictest0-21swapper/023:45:120
255749971,1cyclictest0-21swapper/022:35:110
255749971,1cyclictest0-21swapper/020:50:100
255749970,1cyclictest3-21ksoftirqd/023:18:180
255749970,1cyclictest3-21ksoftirqd/022:20:170
255749970,1cyclictest0-21swapper/023:20:160
255749970,1cyclictest0-21swapper/021:20:140
255749970,1cyclictest0-21swapper/019:40:170
255769962,3cyclictest0-21swapper/121:40:111
255749962,4cyclictest3907-21munin-run19:30:010
255749962,3cyclictest18950-21munin-run20:00:000
255749961,4cyclictest19875-21perl21:05:130
255749961,2cyclictest3-21ksoftirqd/023:25:320
255749961,1cyclictest3-21ksoftirqd/023:55:440
255749961,1cyclictest3-21ksoftirqd/023:50:350
255749961,1cyclictest3-21ksoftirqd/023:35:550
255749961,1cyclictest3-21ksoftirqd/023:30:070
255749961,1cyclictest3-21ksoftirqd/023:11:480
255749961,1cyclictest3-21ksoftirqd/023:00:400
255749961,1cyclictest3-21ksoftirqd/022:55:190
255749961,1cyclictest3-21ksoftirqd/022:40:220
255749961,1cyclictest3-21ksoftirqd/022:31:110
255749961,1cyclictest3-21ksoftirqd/022:25:140
255749961,1cyclictest3-21ksoftirqd/022:14:000
255749961,1cyclictest3-21ksoftirqd/022:06:070
255749961,1cyclictest3-21ksoftirqd/021:56:020
255749961,1cyclictest3-21ksoftirqd/021:41:140
255749961,1cyclictest3-21ksoftirqd/021:30:460
255749961,1cyclictest3-21ksoftirqd/000:30:090
255749961,1cyclictest3-21ksoftirqd/000:25:190
255749961,1cyclictest3-21ksoftirqd/000:21:160
255749961,1cyclictest0-21swapper/023:41:090
255749961,1cyclictest0-21swapper/022:46:010
255749961,1cyclictest0-21swapper/022:00:110
255749961,1cyclictest0-21swapper/021:26:320
255749961,1cyclictest0-21swapper/000:37:510
255749961,1cyclictest0-21swapper/000:10:370
255749960,4cyclictest3-21ksoftirqd/021:00:100
255749960,3cyclictest27662-21ssh23:05:020
255749960,1cyclictest3-21ksoftirqd/021:50:140
255749960,1cyclictest3-21ksoftirqd/021:10:020
255749960,1cyclictest0-21swapper/022:15:150
255749960,1cyclictest0-21swapper/021:45:180
255749960,1cyclictest0-21swapper/020:30:220
255749960,1cyclictest0-21swapper/020:15:110
255749960,1cyclictest0-21swapper/020:10:130
255749960,1cyclictest0-21swapper/020:00:160
255749960,1cyclictest0-21swapper/000:05:130
255919955,0cyclictest0-21swapper/321:15:183
255919951,1cyclictest5909-21cat23:10:113
255919950,5cyclictest0-21swapper/323:42:323
255919950,5cyclictest0-21swapper/323:30:113
255919950,5cyclictest0-21swapper/322:52:293
255919950,5cyclictest0-21swapper/321:36:243
255919950,5cyclictest0-21swapper/300:14:233
255919950,4cyclictest0-21swapper/322:30:123
255919950,0cyclictest0-21swapper/323:57:323
255819951,2cyclictest0-21swapper/222:25:102
255819950,4cyclictest9273-21apt-get19:40:012
255819950,4cyclictest0-21swapper/221:10:112
255819950,4cyclictest0-21swapper/219:10:122
255769951,2cyclictest0-21swapper/123:10:101
255769950,5cyclictest0-21swapper/100:01:441
255749952,2cyclictest29091-21apt-get20:20:100
255749951,2cyclictest3-21ksoftirqd/020:35:160
255749951,1cyclictest6565-21apt-get20:40:100
255749951,1cyclictest3-21ksoftirqd/021:35:040
255749951,1cyclictest3-21ksoftirqd/019:20:380
255749950,4cyclictest12419-21perl19:45:120
255749950,1cyclictest3-21ksoftirqd/020:55:100
255749950,1cyclictest3-21ksoftirqd/019:50:170
255749950,1cyclictest0-21swapper/020:05:110
255749950,1cyclictest0-21swapper/019:35:100
20612250,0sleep20-21swapper/221:40:362
28295240,1sleep1211ktimersoftd/123:53:311
255919944,0cyclictest10668-21kworker/3:123:00:363
255919944,0cyclictest0-21swapper/300:01:543
255919943,1cyclictest24402-21grep23:35:143
255919940,4cyclictest18842-21ssh22:44:493
255919940,4cyclictest0-21swapper/323:54:083
255919940,4cyclictest0-21swapper/322:21:463
255919940,4cyclictest0-21swapper/322:06:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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