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2025-12-09 - 03:14
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Tue Dec 09, 2025 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3954224542209,95sleep00-21swapper17:38:190
41869916818,125cyclictest15937-21apt-get20:45:280
41869916718,123cyclictest20985-21apt-get21:00:270
41869916718,122cyclictest2460-21apt-get20:05:300
41869916618,122cyclictest12577-21apt-get20:35:270
41869916518,120cyclictest2397-21fw_conntrack21:41:080
41869916515,126cyclictest20459-21munin-run22:35:070
41869916422,117cyclictest30395-21memory19:51:280
41869916421,119cyclictest29805-21fw_conntrack21:26:110
41869916317,122cyclictest21035-21ssh22:36:200
41869916317,120cyclictest9628-21irqstats20:26:140
41869916221,118cyclictest17889-21df20:50:470
41869916218,119cyclictest5831-21apt-get20:15:340
41869916217,120cyclictest15900-21fw_conntrack22:21:100
41869916217,120cyclictest11821-21users20:31:560
41869916216,122cyclictest13811-21apt-get18:30:230
41869916216,121cyclictest11400-21users22:06:540
41869916119,118cyclictest24244-21munin-run21:10:080
41869916118,117cyclictest15600-21apt-get18:40:230
41869916115,122cyclictest27249-21apt-get22:55:250
41869916113,124cyclictest5440-21sh21:50:350
41869916017,120cyclictest13850-21apt-get22:15:280
41869916015,104cyclictest9123-21df_inode22:01:020
41869916015,100cyclictest23939-21apt-get22:45:300
41869916012,122cyclictest14612-21sshd20:41:040
41869915935,104cyclictest31193-21aten_r5power_en21:30:370
41869915918,96cyclictest329-21apt-get21:35:270
41869915917,120cyclictest1266-21memory20:01:220
41869915917,118cyclictest26055-21apt-get21:15:330
41869915916,122cyclictest4140-21apt-get20:10:270
41869915916,119cyclictest8390-21apt-get18:00:230
41869915916,119cyclictest31547-21apt-get19:55:260
41869915912,125cyclictest7377-21ssh21:55:560
41869915912,122cyclictest8100-21sshd20:21:340
41869915912,107cyclictest17644-21/usr/sbin/munin22:26:140
41869915816,117cyclictest26466-21ssh19:40:200
41869915816,115cyclictest24639-21apt-get19:30:250
41869915815,119cyclictest29305-21irqstats23:01:180
41869915813,102cyclictest28215-21/usr/sbin/munin19:45:380
41869915716,99cyclictest24379-21apt-get21:10:240
41869915714,119cyclictest3703-21apt-get21:45:280
41869915713,119cyclictest12064-21aten_r5power_po18:20:300
41869915712,108cyclictest30496-21ssh23:05:220
41869915712,102cyclictest12164-21/usr/sbin/munin22:10:380
41869915615,101cyclictest17593-21/usr/sbin/munin18:50:330
41869915613,123cyclictest27743-21apt-get21:20:360
41869915612,119cyclictest10086-21latency_hist18:10:060
41869915534,102cyclictest20226-21cut19:05:320
41869915518,115cyclictest22528-21ssh22:40:550
41869915518,110cyclictest10205-21apt-get18:10:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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