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2026-04-10 - 08:14
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 50 highest latencies:
System rack3slot7.osadl.org (updated Fri Apr 10, 2026 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/026448-21kworker/0:018:57:270
92419817012cyclictest13180-21processes22:42:530
92419816213cyclictest12440-21latency_hist00:27:160
92419816113cyclictest31469-21aten2.4-expect23:42:420
92419816014cyclictest20570-21df_inode19:37:390
92419816013cyclictest5500-21aten2.4_r3power22:17:540
92419816012cyclictest9753-21rt-features00:17:400
92419816012cyclictest27980-21sendmail_mailst23:32:280
92419815912cyclictest19219-21nfs_client19:32:440
92419815813cyclictest29926-21aten2.4_r3power23:37:420
92419815812cyclictest24075-21aten2.4-expect19:47:530
92419815812cyclictest20342-21df23:07:340
92419815712cyclictest3279-21munin-node20:27:570
92419815612cyclictest11469-21nfs_client20:52:440
92419815413cyclictest14090-21date19:17:160
92419815412cyclictest3263-21munin-node22:12:420
92419815313cyclictest6303-21munin-node00:07:340
92419815212cyclictest11461-21nfs_client00:22:450
92419815113cyclictest27961-21munin-node21:47:430
92419815111cyclictest18023-21cstates21:12:590
92419815014cyclictest18673-21munin-node23:02:580
92419815013cyclictest30302sleep022:11:330
92419814911cyclictest25378-21nfs_client21:37:460
92419814713cyclictest17771-21needreboot19:27:470
92419814712cyclictest23311-21munin-node23:17:410
92419814615cyclictest6802-21nfs_client22:22:450
92419814613cyclictest21995-21aten2.4_r3power21:27:340
92419814613cyclictest1706-21munin-node20:22:280
92419814612cyclictest3019-21runrttasks20:04:030
92419814612cyclictest20355-21apt21:22:310
92419814512cyclictest9726-21aten2.4-expect19:02:340
92419814512cyclictest11256-21df_inode22:37:410
92419814414cyclictest25394-21expr23:22:440
92419814413cyclictest1649-21munin-node23:52:370
92419814412cyclictest9632-21ntp_offset22:32:340
92419814412cyclictest14123-21mailstats21:02:290
92419814411cyclictest22279-21aten2.4_r3power19:42:400
92419814313cyclictest6898-21nfs_client20:37:460
92419814313cyclictest19283-21needreboot21:17:480
92419814312cyclictest8482-21kernelversion22:27:490
92419814312cyclictest32586-21munin-node22:02:250
92419814312cyclictest31552-21nfs_client20:12:440
92419814312cyclictest12593-21munin-node19:12:240
92419814311cyclictest8155-21munin-node20:42:370
92419814311cyclictest696-21kernelversion23:47:480
92419814311cyclictest16267-21aten2.4_r3power21:07:520
92419814311cyclictest15598-21munin-node22:52:360
92419814214cyclictest11075-21sendmail_mailst19:07:260
92419814213cyclictest8539-21cpuspeed00:12:550
92419814212cyclictest5709-21aten2.4_r3power20:32:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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