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2026-04-21 - 08:15
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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 Tue Apr 21, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14609224660,15sleep011991-1kworker/u3:219:03:190
153599910417,65cyclictest15003-21df21:38:130
153599910319,61cyclictest10739-21users22:59:170
153599910315,49cyclictest16519-21ssh23:17:250
153599910212,23cyclictest13742-21gzip21:34:040
153599910117,42cyclictest4372-21apt-get21:07:470
153599910112,27cyclictest29206-21ssh23:53:450
153599910111,47cyclictest4006-21ssh22:39:540
153599910021,61cyclictest0-21swapper22:35:010
153599910020,58cyclictest9783-21ssh21:23:050
153599910019,59cyclictest27205-21irqstats22:13:400
153599910017,61cyclictest20480-21munin-run19:37:260
153599910015,43cyclictest18937-21memory23:23:490
153599910014,66cyclictest8611-21ssh22:53:500
1535999999,67cyclictest23554-21/usr/sbin/munin22:03:040
15359999916,21cyclictest11962-21irqstats23:03:390
15359999915,24cyclictest7274-21ssh21:15:200
15359999914,45cyclictest11665-21fw_conntrack21:28:300
15359999912,45cyclictest30662-21irqstats22:23:400
15359999910,66cyclictest10231-21ssh00:33:120
15359999825,64cyclictest0-21swapper00:24:470
15359999816,47cyclictest26635-21munin-run22:12:280
15359999815,44cyclictest13598-21fw_conntrack23:08:270
15359999812,67cyclictest31910-21/usr/sbin/munin22:29:150
15359999812,65cyclictest22149-21memory21:58:460
1535999979,27cyclictest18629-21ssh21:48:410
15359999717,21cyclictest1752-21fw_conntrack00:08:300
15359999715,64cyclictest4636-21apt-get22:42:490
15359999712,64cyclictest19663-21grep19:32:300
15359999712,60cyclictest20763-21rm23:29:020
15359999711,24cyclictest6151-21ssh00:21:090
15359999710,28cyclictest25719-21sshd23:43:400
15359999617,60cyclictest23925-21fw_conntrack23:38:300
15359999615,43cyclictest28935-21irqstats22:18:370
15359999614,61cyclictest4026-21users00:14:150
15359999614,42cyclictest2441-21munin-run20:57:270
15359999612,64cyclictest8482-21ssh00:28:070
15359999612,43cyclictest28604-21wc23:52:310
1535999959,24cyclictest23277-21/usr/sbin/munin19:53:210
15359999518,58cyclictest32464-21df_inode00:03:210
15359999517,56cyclictest23110-21ssh23:36:010
15359999517,41cyclictest17060-21fw_conntrack23:18:310
15359999516,57cyclictest9453-21munin-run21:22:280
15359999513,62cyclictest6348-21apt-get22:47:540
15359999512,45cyclictest19985-21cut21:52:580
15359999438,42cyclictest1000-21entropy20:48:010
15359999416,42cyclictest20591-21/usr/sbin/munin19:38:270
15359999415,58cyclictest16986-21memory21:43:450
15359999414,45cyclictest26876-21apt-get20:12:400
15359999413,59cyclictest30850-21irqstats23:58:350
15359999310,66cyclictest17709-21grep19:18:350
15359999310,63cyclictest32312-21aten_r5power_cu20:42:460
15359999217,54cyclictest16571-21memory19:12:420
15359999122,21cyclictest29873-21fw_conntrack20:28:070
1535999909,25cyclictest31508-21cut20:37:500
15359999018,23cyclictest4255-21munin-run21:07:280
15359999016,55cyclictest22671-21fw_conntrack19:48:070
15359999011,58cyclictest31326-21sort20:37:290
15359999010,21cyclictest1690-21snmpd19:22:490
1535999899,61cyclictest15909-21ntp_kernel_pll_19:08:210
15359998928,42cyclictest0-21swapper20:18:280
15359998820,21cyclictest1690-21snmpd20:07:510
15359998817,28cyclictest25300-21df20:02:570
15359998816,23cyclictest21493-21apt-get19:42:390
15359998716,23cyclictest28986-21fw_conntrack20:23:030
15359998628,39cyclictest2575-21basename20:57:460
15359998512,28cyclictest25055-21ls20:02:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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