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2025-09-16 - 08:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rack9slot4.osadl.org (updated Tue Sep 16, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
199291149120sleep0-21swapper/116:17:461
201219911238cyclictest3939-21runrttasks20:26:430
201219911231cyclictest0-21swapper/020:28:380
201219910938cyclictest21651-21latency_hist16:22:500
19873110871sleep0-21swapper/016:17:430
201219910633cyclictest13125-21sh20:42:440
201219910528cyclictest0-21swapper/017:22:530
201219910522cyclictest0-21swapper/019:25:510
201219910425cyclictest0-21swapper/021:13:000
201219910335cyclictest8029-21ssh20:33:230
201219910328cyclictest19136-21latency_hist19:02:550
201219910230cyclictest326-21runrttasks20:13:030
201219910228cyclictest12045-21ssh21:34:470
201219910220cyclictest0-21swapper/018:21:120
201219910133cyclictest4861-21latency_hist17:12:530
201219910028cyclictest12998-21sh18:52:150
201219910023cyclictest7350-21latency_hist18:42:550
20121999927cyclictest0-21swapper/017:12:520
20121999927cyclictest0-21swapper/017:12:520
20121999834cyclictest0-21swapper/017:57:530
20121999827cyclictest27239-21chrt20:10:520
20121999827cyclictest14127-21latency_hist17:42:540
20121999735cyclictest22449-21cat20:03:120
20121999623cyclictest0-21swapper/017:22:530
20121999533cyclictest29561-21/usr/sbin/munin16:48:220
20121999527cyclictest13749-21fschecks_count19:48:190
20121999527cyclictest0-21swapper/016:29:410
20121999521cyclictest0-21swapper/019:21:410
20121999429cyclictest0-21swapper/017:32:530
20121999328cyclictest7792-21diskmemload19:38:130
20121999327cyclictest27928-21latency_hist21:07:590
20121999321cyclictest11955-21needreboot17:33:230
20121999320cyclictest0-21swapper/020:47:590
2012199928cyclictest0-21swapper/021:01:190
20121999134cyclictest28511-21diskstats18:23:180
20121999128cyclictest27229-21missed_timers16:38:210
20121999128cyclictest22571-21runrttasks16:23:200
20121999125cyclictest18799-21latency_hist17:57:530
20121999118cyclictest19106-21latency_hist19:57:580
20133999035cyclictest28389-21expr20:13:141
2012199909cyclictest0-21swapper/019:13:160
2012199898cyclictest0-21swapper/021:47:250
2012199898cyclictest0-21swapper/019:58:370
20121998935cyclictest5180-21if_can019:33:220
20121998935cyclictest2590-21ssh18:33:300
20121998933cyclictest30877-21latency_hist21:12:590
20121998929cyclictest0-21swapper/016:53:320
20121998920cyclictest0-21swapper/019:12:560
20121998920cyclictest0-21swapper/019:12:560
20121998919cyclictest0-21swapper/019:28:230
20121998828cyclictest0-21swapper/018:07:540
2013399878cyclictest0-21swapper/117:25:451
2012199877cyclictest0-21swapper/016:58:240
20121998733cyclictest26356-21latency_hist16:37:510
2013399868cyclictest0-21swapper/120:23:331
2013399864cyclictest1-21systemd18:33:091
20133998636cyclictest2850-21sed17:03:291
2013399863cyclictest20221-21ntpdc19:58:311
2012199867cyclictest0-21swapper/017:48:120
20121998662cyclictest0-21swapper/018:28:150
20121998637cyclictest10082-21sh21:32:380
20133998526cyclictest4946-21fschecks_count20:28:211
20133998526cyclictest33950irq/43-eth019:08:291
20133998526cyclictest33950irq/43-eth019:08:291
20133998526cyclictest26222-21proc_pri19:13:331
2012199858cyclictest0-21swapper/020:48:140
20121998525cyclictest31100-21/usr/sbin/munin20:18:280
2013399849cyclictest0-21swapper/121:04:241
2013399849cyclictest0-21swapper/118:31:221
2013399848cyclictest0-21swapper/119:55:371
2013399848cyclictest0-21swapper/119:34:181
20133998410cyclictest0-21swapper/117:43:331
20121998419cyclictest8675-21timerandwakeup18:43:350
20121998418cyclictest10591-21cpu19:43:120
2013399839cyclictest0-21swapper/117:50:271
2013399839cyclictest0-21swapper/116:23:221
2013399838cyclictest0-21swapper/120:20:411
2013399838cyclictest0-21swapper/116:42:011
20133998327cyclictest10700-21head17:28:301
20133998322cyclictest0-21swapper/116:58:041
2012199838cyclictest0-21swapper/019:03:000
2012199838cyclictest0-21swapper/019:03:000
2013399829cyclictest0-21swapper/121:23:211
2013399829cyclictest0-21swapper/120:39:301
2013399829cyclictest0-21swapper/118:43:471
2013399829cyclictest0-21swapper/118:07:401
2013399828cyclictest0-21swapper/121:17:141
2013399828cyclictest0-21swapper/121:01:531
2013399828cyclictest0-21swapper/120:37:281
2013399828cyclictest0-21swapper/120:12:531
2013399828cyclictest0-21swapper/120:03:111
2013399828cyclictest0-21swapper/117:58:531
2013399828cyclictest0-21swapper/117:33:201
2013399828cyclictest0-21swapper/116:53:051
2013399828cyclictest0-21swapper/116:18:181
2013399825cyclictest28699-21runrttasks21:08:251
2013399824cyclictest326-21runrttasks21:45:251
20133998233cyclictest5522-21ntpdc18:38:291
20133998226cyclictest33950irq/43-eth021:18:411
20133998210cyclictest0-21swapper/119:28:091
20133998210cyclictest0-21swapper/116:32:061
2013399819cyclictest0-21swapper/120:51:131
2013399819cyclictest0-21swapper/120:43:501
2013399819cyclictest0-21swapper/119:38:061
2013399818cyclictest0-21swapper/121:42:461
2013399818cyclictest0-21swapper/120:55:341
2013399818cyclictest0-21swapper/119:03:051
2013399818cyclictest0-21swapper/119:03:051
2013399818cyclictest0-21swapper/118:20:301
2013399818cyclictest0-21swapper/117:15:371
2013399818cyclictest0-21swapper/116:48:031
2013399818cyclictest0-21swapper/116:43:101
20133998115cyclictest0-21swapper/121:28:441
2013399809cyclictest0-21swapper/119:23:571
2013399809cyclictest0-21swapper/119:18:551
2013399808cyclictest0-21swapper/121:35:071
2013399808cyclictest0-21swapper/118:52:081
2013399808cyclictest0-21swapper/118:26:131
2013399808cyclictest0-21swapper/118:10:521
2013399808cyclictest0-21swapper/117:08:181
2013399808cyclictest0-21swapper/117:08:181
2013399808cyclictest0-21swapper/116:33:061
2013399807cyclictest0-21swapper/118:53:261
2013399807cyclictest0-21swapper/117:53:201
2013399804cyclictest13393-21/usr/sbin/munin19:48:091
2012199808cyclictest0-21swapper/020:53:440
20121998057cyclictest0-21swapper/018:09:420
2013399798cyclictest0-21swapper/119:44:481
20133997919cyclictest0-21swapper/117:38:191
20133997915cyclictest480-21systemd-journal18:59:101
2012199798cyclictest0-21swapper/021:26:500
2012199798cyclictest0-21swapper/018:53:200
20121997955cyclictest0-21swapper/021:38:420
20121997928cyclictest0-21swapper/017:43:150
20121997725cyclictest74-21mmcqd/018:17:550
2013399769cyclictest0-21swapper/117:18:241
2012199767cyclictest0-21swapper/021:22:590
2013399759cyclictest0-21swapper/118:13:181
2012199758cyclictest0-21swapper/016:44:370
20121997528cyclictest0-21swapper/017:03:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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