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2026-07-17 - 09:52
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Fri Jul 17, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28025224462204,91sleep00-21swapper18:59:380
284589916944,23cyclictest4019-21sh23:33:000
284589916913,67cyclictest16955-21sed22:35:020
284589916533,31cyclictest0-21swapper22:16:180
284589916414,47cyclictest4205-21/usr/sbin/munin23:35:090
284589916318,38cyclictest19852-21fw_conntrack22:44:200
284589916318,25cyclictest28508-21irqstats23:09:300
284589916315,40cyclictest1007-21/usr/sbin/munin23:23:550
284589916313,46cyclictest9620-21df23:49:010
284589916221,30cyclictest514-21/usr/sbin/munin21:50:080
284589916221,29cyclictest2816-21memory21:54:370
284589916221,22cyclictest8577-21users23:45:070
284589916218,55cyclictest16000-21irqstats20:53:580
284589916215,59cyclictest21182-21apt-get22:48:410
284589916215,22cyclictest28089-21df21:33:560
284589916214,45cyclictest21635-21df00:23:550
284589916214,24cyclictest24382-21apt-get21:23:360
284589916118,21cyclictest10878-21apt-get22:18:380
284589916114,25cyclictest29546-21munin-node19:08:450
284589916113,46cyclictest18727-21ssh21:06:320
284589916113,23cyclictest29452-21munin-node19:08:200
284589916015,39cyclictest14300-21munin-node22:28:250
284589916014,56cyclictest26723-21ssh21:29:440
284589916013,24cyclictest20946-21/usr/sbin/munin21:13:550
284589916013,22cyclictest26710-21ssh23:04:160
284589915918,25cyclictest31849-21df_inode23:19:070
284589915916,35cyclictest6379-21irqstats23:39:270
284589915915,57cyclictest19346-21munin-run22:43:150
284589915841,23cyclictest7889-21kernelversion20:09:090
284589915838,22cyclictest7713-21sh22:09:040
284589915818,37cyclictest19490-21df21:09:020
284589915818,21cyclictest14851-21df_inode00:04:060
284589915817,24cyclictest13186-21fw_conntrack23:59:160
284589915817,23cyclictest6058-21df_inode22:04:080
284589915813,25cyclictest24618-21/usr/sbin/munin22:58:590
284589915811,42cyclictest23600-21sed21:20:010
284589915811,28cyclictest32452-21ssh21:46:160
284589915810,62cyclictest2367-21df19:38:460
284589915733,40cyclictest31041-21sh21:42:440
284589915721,29cyclictest17364-21munin-run21:03:180
284589915718,24cyclictest23620-21memory00:29:310
284589915716,24cyclictest11634-21memory23:54:390
284589915714,55cyclictest30318-21memory23:14:340
284589915625,21cyclictest17099-21timerwakeupswit00:09:590
284589915619,23cyclictest12939-21df_inode22:24:090
284589915615,40cyclictest3999-21apt-get21:58:350
284589915614,21cyclictest20018-21df_inode00:19:080
284589915540,22cyclictest3087-21aten_r5power_en19:43:360
284589915540,20cyclictest996-21timerwakeupswit19:29:210
284589915539,22cyclictest5886-21cpu19:58:400
284589915521,28cyclictest9269-21munin-run20:18:160
284589915520,31cyclictest23169-21df22:54:000
284589915512,45cyclictest18223-21ssh00:13:560
284589915512,39cyclictest13782-21sort20:43:170
284589915412,27cyclictest11761-21cat20:29:190
284589915325,35cyclictest0-21swapper20:19:020
28458991529,26cyclictest4003-21aten_r5power_en19:48:360
284589915219,39cyclictest1652-21memory19:34:040
284589915015,24cyclictest5719-21cat19:58:180
284589914918,43cyclictest7404-21users20:04:240
284589914918,43cyclictest14188-21irqstats20:43:580
284589914917,46cyclictest15041-21fw_conntrack20:48:540
284589914816,19cyclictest10659-21memory20:24:060
284589914812,25cyclictest31755-21users19:19:250
284589914717,42cyclictest30302-21df19:13:410
284589914715,22cyclictest12336-21df_inode20:33:490
284589914611,45cyclictest32505-21sed19:24:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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