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2026-03-26 - 15:24
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Thu Mar 26, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2282721830,4sleep3885399cyclictest23:00:073
2235321830,5sleep2884899cyclictest00:37:462
126921640,4sleep0883799cyclictest01:22:450
3207021560,3sleep3885399cyclictest00:14:463
1068911060,4ptp4l401ktimersoftd/320:04:183
106891660,1ptp4l401ktimersoftd/322:55:583
106891650,1ptp4l401ktimersoftd/322:46:273
215622630,1sleep00-21swapper/023:32:240
106891610,1ptp4l401ktimersoftd/322:37:453
106891580,1ptp4l401ktimersoftd/323:21:543
106891560,1ptp4l401ktimersoftd/301:27:043
87132555,38sleep00-21swapper/020:07:010
106891530,1ptp4l401ktimersoftd/301:32:283
97102520,2sleep00-21swapper/021:12:440
79242510,5sleep10-21swapper/120:02:411
883799483,17cyclictest9659-21mailstats00:57:470
883799483,15cyclictest7626-21ssh22:44:240
883799482,16cyclictest2182-21diskmemload00:50:430
883799482,16cyclictest2182-21diskmemload00:50:430
106891480,0ptp4l401ktimersoftd/301:27:553
883799474,9cyclictest29493-21swap01:17:540
883799473,15cyclictest10454-21apt-get21:17:240
883799473,14cyclictest14926-21ssh00:30:470
883799473,11cyclictest27736-21ssh22:32:370
883799473,11cyclictest0-21swapper/023:09:110
883799472,8cyclictest32740-21ssh23:42:440
883799472,14cyclictest30748-21ssh23:41:230
106891470,1ptp4l401ktimersoftd/301:21:173
884499463,14cyclictest16983-21ssh23:27:341
884499463,12cyclictest64-21kswapd001:27:381
883799465,10cyclictest23320-21smartctl21:42:360
883799463,8cyclictest9370-21apt-get23:52:350
883799463,8cyclictest24825-21/usr/sbin/munin00:07:420
883799463,15cyclictest8189-21processes23:17:430
883799462,8cyclictest3844-21apt-get23:47:280
883799462,8cyclictest14721-21apt-get22:52:360
883799462,16cyclictest2182-21diskmemload22:28:190
883799462,14cyclictest24853-21ssh23:34:450
41532460,3sleep03564-21/usr/sbin/munin21:02:370
883799454,9cyclictest10432-21python20:07:420
883799454,8cyclictest19435-21ps01:07:480
883799453,8cyclictest3293-21/usr/sbin/munin22:07:390
883799453,13cyclictest26328-21ssh01:15:180
883799452,9cyclictest5346-21apt-get01:27:380
883799452,8cyclictest9788-21apt-get22:47:330
883799452,8cyclictest19656-21apt-get22:57:360
883799452,8cyclictest13157-21apt-get01:02:380
883799452,14cyclictest29253-21ssh00:45:150
883799452,11cyclictest2182-21diskmemload00:24:190
883799443,9cyclictest32372-21apt-get22:37:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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