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2026-08-07 - 06:13
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 376 highest latencies:
System rack5slot7.osadl.org (updated Fri Aug 07, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31937224562219,90sleep00-21swapper18:58:400
323629917618,48cyclictest2312-21apt-get23:12:370
323629917241,24cyclictest23549-21latency00:13:280
323629917240,22cyclictest29876-21swap21:23:540
323629917214,51cyclictest30394-21ssh22:58:560
323629916719,40cyclictest27382-21apt-get21:17:330
323629916717,27cyclictest20522-21users00:04:030
323629916618,42cyclictest29831-21munin-run00:32:160
323629916536,22cyclictest23889-21apt-get21:07:390
323629916518,39cyclictest7435-21fw_conntrack21:53:120
323629916518,38cyclictest12672-21apt-get23:42:340
323629916512,24cyclictest18502-21ssh23:58:450
323629916418,37cyclictest20908-21apt-get22:32:350
323629916418,21cyclictest26503-21apt-get00:22:350
323629916416,59cyclictest16164-21irqstats22:18:240
323629916411,130cyclictest19291-21ssh22:27:460
323629916337,29cyclictest9290-21ssh23:32:440
323629916316,43cyclictest4218-21ntp_states21:43:450
323629916312,38cyclictest9415-21ssh21:58:430
323629916215,47cyclictest9533-21apt-get19:52:300
323629916144,22cyclictest1652-21sh21:36:520
323629916134,16cyclictest0-21swapper21:31:170
323629916125,115cyclictest0-21swapper23:49:000
323629916117,38cyclictest21583-21df00:07:580
323629916042,23cyclictest22994-21timerandwakeup21:03:560
323629916014,23cyclictest12281-21ssh23:40:550
323629916012,23cyclictest2188-21df_abs21:38:020
323629915919,37cyclictest4404-21fw_conntrack23:18:100
323629915918,39cyclictest27681-21munin-run22:52:140
323629915917,24cyclictest14990-21ssh22:14:190
323629915915,42cyclictest17042-21head23:53:590
323629915915,23cyclictest1638-21ssh23:09:400
32362991589,66cyclictest11996-21cat20:03:230
323629915845,23cyclictest8710-21sh23:30:250
323629915819,31cyclictest24691-21df_inode22:43:060
323629915816,56cyclictest17968-21memory22:23:310
323629915815,19cyclictest31796-21memory23:03:340
323629915813,62cyclictest24877-21wget00:17:450
323629915738,21cyclictest12428-21sh20:07:430
323629915717,39cyclictest12618-21fw_conntrack22:08:140
323629915715,43cyclictest6088-21df_inode23:23:020
323629915712,20cyclictest7793-21basename19:42:360
323629915711,42cyclictest27813-21/usr/sbin/munin22:53:520
323629915643,22cyclictest11898-21sh22:06:130
323629915625,48cyclictest0-21swapper21:47:460
323629915616,45cyclictest20337-21apt-get20:52:320
323629915534,21cyclictest15873-21aten_r5power_en20:27:370
323629915517,117cyclictest0-21swapper19:08:340
323629915514,39cyclictest26449-21/usr/sbin/munin21:13:550
323629915417,37cyclictest23011-21fw_conntrack22:38:110
323629915412,44cyclictest5019-21apt-get19:27:270
323629915317,39cyclictest13986-21sort20:17:160
323629915314,40cyclictest3287-21wget19:17:350
323629915312,18cyclictest14927-21apt-get20:22:290
323629915235,19cyclictest8871-21sed19:47:460
323629915217,29cyclictest17142-21memory20:33:020
323629915215,25cyclictest968-21grep19:07:190
323629915214,45cyclictest18523-21apt-get20:42:270
323629915117,46cyclictest14034-21/usr/sbin/munin20:18:220
323629915114,45cyclictest5932-21apt-get19:32:290
323629915113,47cyclictest10424-21modprobe19:57:180
323629915111,40cyclictest4229-21grep19:22:370
323629915014,45cyclictest2330-21/usr/sbin/munin19:12:370
323629914920,24cyclictest20221-21munin-run20:52:160
323629914917,41cyclictest21236-21apt-get20:57:300
323629914814,44cyclictest17750-21/usr/sbin/munin20:37:380
323629914716,41cyclictest7120-21fw_conntrack19:37:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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