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2026-06-06 - 18:26
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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 Sat Jun 06, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7607224140,12sleep06573-1kworker/u3:219:01:110
82589910919,48cyclictest31022-21memory21:06:370
82589910516,47cyclictest27750-21irqstats22:31:260
82589910232,51cyclictest0-21swapper23:59:440
82589910216,64cyclictest15729-21irqstats21:56:300
82589910126,57cyclictest0-21swapper22:43:180
82589910118,61cyclictest5311-21df_inode21:26:150
82589910117,22cyclictest3838-21fw_conntrack22:56:140
82589910115,25cyclictest8777-21fw_conntrack21:36:180
82589910016,43cyclictest17348-21df_inode22:01:130
82589910014,65cyclictest26233-21irqstats00:01:240
82589910014,22cyclictest22791-21irqstats23:51:230
8258999917,44cyclictest21533-21ssh22:12:530
8258999917,41cyclictest19644-21users22:07:040
8258999916,22cyclictest8949-21df_inode23:11:060
8258999915,62cyclictest18814-21wc23:40:180
8258999914,50cyclictest25398-21ssh22:24:550
8258999913,66cyclictest30248-21ssh00:12:280
8258999912,49cyclictest19131-21grep23:40:510
8258999911,27cyclictest1440-21ssh00:23:290
8258999819,60cyclictest32659-21irqstats21:11:260
8258999819,57cyclictest1725-21apt-get22:50:340
8258999819,55cyclictest11826-21apt-get21:45:260
8258999818,41cyclictest15946-21irqstats23:31:310
8258999817,23cyclictest27941-21irqstats00:06:250
8258999815,65cyclictest14066-21memory21:51:320
8258999815,58cyclictest2385-21irqstats00:26:260
8258999815,45cyclictest10462-21df_inode21:41:090
8258999815,25cyclictest24827-21cat20:31:190
8258999812,67cyclictest16453-21memory19:46:040
8258999812,48cyclictest459-21ssh22:46:330
8258999811,25cyclictest29819-21switchtime22:36:590
8258999810,24cyclictest2067-21ssh21:16:400
8258999725,54cyclictest0-21swapper00:32:400
8258999718,58cyclictest4174-21users21:22:060
8258999716,24cyclictest7160-21df23:05:580
8258999716,22cyclictest21364-21sendmail-msp20:15:150
8258999714,47cyclictest7664-21ssh21:32:200
8258999712,65cyclictest6122-21ssh23:02:060
8258999712,22cyclictest10791-21irqstats23:16:250
8258999629,49cyclictest0-21swapper23:49:560
8258999617,60cyclictest25594-21apt-get22:25:430
8258999616,60cyclictest12058-21apt-get23:20:310
8258999528,49cyclictest0-21swapper00:19:250
8258999517,57cyclictest17151-21df19:50:440
8258999516,59cyclictest22517-21df_inode22:16:110
8258999414,63cyclictest9682-21memory19:10:440
8258999414,20cyclictest15160-21apt-get19:40:270
8258999414,20cyclictest14187-21ssh23:26:280
8258999321,58cyclictest0-21swapper20:17:580
8258999314,59cyclictest23336-21aten_r5power_po20:25:370
8258999312,59cyclictest23111-21grep20:21:200
8258999213,28cyclictest26710-21unixbench_singl20:41:200
8258999117,23cyclictest11970-21memory19:21:060
8258999111,43cyclictest18754-21/usr/sbin/munin20:01:140
8258999019,49cyclictest17859-21apt-get19:55:320
8258999011,29cyclictest26918-21aten_r5power_po20:45:370
8258998918,24cyclictest15063-21munin-run19:40:160
8258998911,43cyclictest19900-21grep20:05:480
8258998910,58cyclictest9016-21grep19:06:190
8258998816,24cyclictest28367-21/usr/sbin/munin20:51:180
8258998812,22cyclictest30371-21latency_hist21:05:190
8258998810,24cyclictest28661-21/usr/sbin/munin20:55:240
8258998717,50cyclictest13557-21df19:30:440
8258998716,22cyclictest25061-21apt-get20:35:300
8258998616,54cyclictest0-21swapper19:26:080
8258998616,22cyclictest11144-21ntp_states19:16:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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