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2025-05-16 - 00:43
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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
Characteristics of the 20 highest latencies:
System rack3slot4.osadl.org (updated Thu May 15, 2025 12:46:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170782321090,5sleep50-21swapper/511:45:105
164918921070,5sleep30-21swapper/310:49:353
161121921040,4sleep00-21swapper/010:13:290
161121921040,4sleep00-21swapper/010:13:290
1503269991041,77cyclictest1548856-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
09:06:270
1503269991021,5cyclictest1712726-21munin-run11:50:000
15032699910125,41cyclictest1602447-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:25:570
150326999990,89cyclictest0-21swapper/007:43:310
1503269999821,57cyclictest0-21swapper/011:24:410
1503269999821,57cyclictest0-21swapper/011:24:410
150326999980,80cyclictest0-21swapper/010:45:340
150326999972,77cyclictest1585084-21ssh09:45:380
150326999940,82cyclictest0-21swapper/007:56:510
150326999940,55cyclictest1629684-21find10:30:400
16691692930,6sleep30-21swapper/311:07:033
1503269999328,50cyclictest64550irq/530-eth0-Tx11:31:410
150326999920,80cyclictest0-21swapper/007:12:000
150326999920,75cyclictest0-21swapper/008:03:440
150326999911,63cyclictest1723138-21latency_hist12:00:020
150326999910,79cyclictest0-21swapper/009:02:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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