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2026-03-26 - 00:29
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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 Wed Mar 25, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192382199182,12sleep10-21swapper/107:09:121
192172195179,11sleep00-21swapper/007:08:550
189742181165,11sleep20-21swapper/207:05:472
191782180163,12sleep30-21swapper/307:08:253
68452470,0sleep30-21swapper/309:21:013
74632440,0sleep10-21swapper/111:44:341
147022440,0sleep00-21swapper/012:20:090
127692330,0sleep10-21swapper/111:46:351
194749991,4cyclictest27555-21munin-run07:25:010
194759980,1cyclictest0-21swapper/109:55:101
194759970,2cyclictest0-21swapper/109:50:121
194759970,1cyclictest0-21swapper/110:50:111
194749970,3cyclictest23733-21munin-run09:30:000
194819965,1cyclictest0-21swapper/310:50:463
194759960,2cyclictest9902-21chrt08:59:561
194759960,1cyclictest85362sleep109:22:031
194759960,1cyclictest14267-21chrt12:03:441
194759960,1cyclictest0-21swapper/111:00:111
194759960,1cyclictest0-21swapper/110:25:121
194759960,1cyclictest0-21swapper/110:15:131
194759960,1cyclictest0-21swapper/110:00:121
194759960,1cyclictest0-21swapper/109:45:111
194759960,1cyclictest0-21swapper/108:40:111
194759960,1cyclictest0-21swapper/108:05:131
194749960,2cyclictest0-21swapper/009:47:270
5231250,0sleep20-21swapper/211:43:132
194819955,0cyclictest22062-21kworker/3:211:00:033
194819955,0cyclictest22062-21kworker/3:207:38:313
194819954,0cyclictest40-21ksoftirqd/310:10:023
194819950,5cyclictest0-21swapper/311:33:423
194819950,5cyclictest0-21swapper/310:45:103
194819950,4cyclictest25317-21/usr/sbin/munin07:20:123
194819950,4cyclictest20328-21perl07:10:133
194819950,3cyclictest5014-21/usr/sbin/munin08:50:173
194779955,0cyclictest0-21swapper/211:32:592
194779952,3cyclictest28911-21ssh10:03:522
194779952,3cyclictest17392-21ssh09:42:112
194779950,5cyclictest0-21swapper/212:14:112
194779950,5cyclictest0-21swapper/211:25:342
194779950,5cyclictest0-21swapper/211:20:112
194779950,4cyclictest22408-21memory07:15:012
194779950,0cyclictest0-21swapper/211:39:422
194759951,2cyclictest0-21swapper/112:10:121
194759951,2cyclictest0-21swapper/110:40:101
194759950,1cyclictest95832sleep110:57:311
194759950,1cyclictest6891-21chrt08:50:351
194759950,1cyclictest5259-21chrt07:45:101
194759950,1cyclictest42362sleep107:40:181
194759950,1cyclictest41042chrt11:58:441
194759950,1cyclictest31917-21chrt08:35:581
194759950,1cyclictest30747-21chrt11:24:011
194759950,1cyclictest30134-21chrt12:27:181
194759950,1cyclictest297772sleep107:27:041
194759950,1cyclictest28873-21chrt08:30:181
194759950,1cyclictest274222sleep107:23:291
194759950,1cyclictest27017-21chrt08:26:301
194759950,1cyclictest2538-21chrt08:45:061
194759950,1cyclictest25028-21chrt07:19:441
194759950,1cyclictest24612-21chrt08:22:201
194759950,1cyclictest2312-21chrt12:30:021
194759950,1cyclictest2212-21chrt07:36:021
194759950,1cyclictest220092sleep108:15:561
194759950,1cyclictest21114-21chrt10:31:131
194759950,1cyclictest20658-21chrt11:35:051
194759950,1cyclictest19582-21chrt07:10:081
194759950,1cyclictest19554-21chrt08:11:091
194759950,1cyclictest18820-21chrt11:50:121
194759950,1cyclictest185992sleep109:11:011
194759950,1cyclictest166732sleep109:41:441
194759950,1cyclictest16510-21chrt12:36:281
194759950,1cyclictest15742-21chrt10:45:021
194759950,1cyclictest146062chrt08:01:081
194759950,1cyclictest13912-21chrt11:31:051
194759950,1cyclictest138172sleep109:25:071
194759950,1cyclictest12634-21chrt09:05:061
194759950,1cyclictest123312sleep111:15:051
194759950,1cyclictest120892chrt09:01:041
194759950,1cyclictest0-21swapper/112:20:121
194759950,1cyclictest0-21swapper/112:15:111
194759950,1cyclictest0-21swapper/112:05:101
194759950,1cyclictest0-21swapper/111:25:101
194759950,1cyclictest0-21swapper/111:10:101
194759950,1cyclictest0-21swapper/111:05:101
194759950,1cyclictest0-21swapper/110:35:011
194759950,1cyclictest0-21swapper/110:20:141
194759950,1cyclictest0-21swapper/110:10:101
194759950,1cyclictest0-21swapper/109:35:121
194759950,1cyclictest0-21swapper/109:15:111
194759950,1cyclictest0-21swapper/107:55:101
194759950,1cyclictest0-21swapper/107:50:111
194759950,1cyclictest0-21swapper/107:30:101
194759950,0cyclictest0-21swapper/110:05:101
194749950,5cyclictest0-21swapper/010:26:190
194749950,5cyclictest0-21swapper/009:19:060
194749950,0cyclictest0-21swapper/009:21:240
194819944,0cyclictest22062-21kworker/3:210:37:403
194819944,0cyclictest22062-21kworker/3:210:26:283
194819944,0cyclictest22062-21kworker/3:209:52:523
194819944,0cyclictest22062-21kworker/3:207:49:443
194819944,0cyclictest0-21swapper/312:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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