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2026-04-09 - 10:16
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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 Thu Apr 09, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18236224600,12sleep013633-1kworker/u3:119:06:390
184199913077,33cyclictest2615-21apt-get22:28:220
184199912976,31cyclictest2118-21users23:59:570
184199912872,32cyclictest19811-21ssh21:43:440
184199912775,32cyclictest16070-21apt-get21:33:190
184199912770,37cyclictest8837-21sh22:45:220
184199912672,32cyclictest18918-21ssh21:40:330
184199912572,32cyclictest3259-21fw_conntrack00:03:590
184199912572,32cyclictest20954-21sh23:20:380
184199912571,33cyclictest27499-21switchtime23:39:370
184199912471,34cyclictest29719-21ssh23:46:300
184199912270,34cyclictest1690-21snmpd00:15:040
184199912268,35cyclictest12736-21sh00:31:240
184199912169,33cyclictest5567-21ssh22:36:170
184199912068,31cyclictest1944-21sh22:25:220
184199911967,30cyclictest31952-21df_inode22:18:520
184199911867,29cyclictest9507-21ssh00:22:220
184199911765,33cyclictest12491-21ssh21:22:550
184199911668,28cyclictest19446-21ssh23:16:470
184199911666,30cyclictest15736-21ssh23:05:270
184199911665,30cyclictest1690-21snmpd21:28:260
184199911466,27cyclictest31149-21ssh22:16:280
184199911464,28cyclictest32742-21/usr/sbin/munin23:54:430
184199911168,24cyclictest1690-21snmpd21:17:200
184199911165,28cyclictest0-21swapper19:43:310
184199910964,28cyclictest8074-21ntpq21:09:340
184199910963,26cyclictest25433-21irqstats23:34:070
184199910864,25cyclictest13452-21df00:33:410
184199910863,26cyclictest32094-21/usr/sbin/munin20:23:430
184199910768,24cyclictest32644-21apt-get20:28:140
184199910665,24cyclictest30139-21apt-get23:48:150
184199910631,61cyclictest0-21swapper23:27:450
184199910460,24cyclictest23498-21users19:34:070
184199910436,47cyclictest13015-21aten_r5power_cu22:58:320
184199910418,64cyclictest26799-21ssh22:03:580
184199910364,22cyclictest24702-21apt-get21:58:280
184199910259,28cyclictest6450irq/45-2188000.00:25:020
184199910054,27cyclictest0-21swapper22:40:440
184199910034,47cyclictest0-21swapper22:50:210
184199910020,62cyclictest0-21swapper23:11:260
184199910015,22cyclictest13169-21memory21:24:230
184199910014,63cyclictest23514-21memory21:54:240
184199910010,65cyclictest28240-21wget22:08:320
18419999918,60cyclictest11576-21df_inode22:53:570
18419999918,58cyclictest4702-21apt-get20:53:180
18419999914,22cyclictest5119-21memory00:09:190
18419999857,26cyclictest6450irq/45-2188000.19:59:090
18419999812,65cyclictest28499-21uname20:03:460
18419999811,65cyclictest21249-21/usr/sbin/munin21:48:350
18419999715,20cyclictest23647-21fw_conntrack23:28:590
18419999653,25cyclictest0-21swapper19:18:020
18419999543,35cyclictest7186-21timerwakeupswit21:04:020
18419999526,53cyclictest6355-21head20:59:060
18419999513,59cyclictest19318-21munin-run19:13:000
18419999434,41cyclictest0-21swapper20:43:530
18419999432,45cyclictest0-21swapper20:08:180
18419999414,56cyclictest22233-21sort19:28:460
18419999412,42cyclictest25812-21wc19:48:450
18419999349,25cyclictest0-21swapper20:19:590
18419999316,38cyclictest30743-21munin-run20:18:000
18419999312,38cyclictest27130-21latency_hist19:57:590
18419999242,34cyclictest1761-21sshd20:48:270
18419999213,39cyclictest1505-21wc20:33:500
18419999144,28cyclictest0-21swapper19:42:590
18419999112,53cyclictest2127-21grep20:38:230
18419999015,26cyclictest20951-21/usr/sbin/munin19:24:030
1841999899,59cyclictest20867-21sort19:23:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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