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2026-11-14 - 02:18
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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 Nov 14, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9441224480,13sleep025433-1kworker/u3:218:53:210
100369910732,51cyclictest25014-21apt-get22:12:430
100369910532,49cyclictest4276-21apt-get21:12:440
100369910530,32cyclictest8399-21ntp_states21:24:100
100369910518,48cyclictest18450-21apt-get23:27:440
100369910433,48cyclictest14981-21/usr/sbin/munin23:18:290
100369910428,50cyclictest26728-21apt-get22:17:460
100369910416,68cyclictest10999-21ssh21:32:050
100369910317,64cyclictest9805-21apt-get23:02:400
100369910317,23cyclictest16712-21apt-get23:22:460
100369910217,23cyclictest1164-21apt-get22:37:470
100369910141,35cyclictest28451-21apt-get22:22:440
100369910127,34cyclictest29270-21/usr/sbin/munin23:58:400
100369910119,59cyclictest441-21users22:34:300
100369910116,64cyclictest12903-21apt-get21:37:450
100369910115,64cyclictest14635-21apt-get21:42:440
10036991009,69cyclictest16532-21wget21:48:000
100369910035,31cyclictest0-21swapper21:05:560
100369910018,44cyclictest27067-21apt-get23:52:400
100369910017,43cyclictest6263-21df21:18:100
100369910016,62cyclictest5346-21fw_conntrack00:23:280
100369910016,43cyclictest21926-21fw_conntrack22:03:250
100369910015,22cyclictest24242-21users22:09:180
100369910014,45cyclictest2064-21memory00:13:460
100369910013,65cyclictest20407-21ssh23:33:030
100369910012,67cyclictest605-21/usr/sbin/munin00:09:050
10036999915,24cyclictest14872-21munin-run23:17:250
10036999914,46cyclictest5882-21ssh22:50:390
10036999912,65cyclictest12969-21ssh23:11:320
10036999827,49cyclictest30495-21/usr/sbin/munin00:03:490
10036999815,44cyclictest9731-21ssh23:02:310
10036999810,25cyclictest13349-21sshd19:15:350
10036999729,28cyclictest31497-21apt-get20:57:510
10036999728,47cyclictest23341-21ssh23:41:450
10036999717,58cyclictest26946-21munin-run23:52:270
10036999715,22cyclictest23788-21ssh23:43:060
10036999714,60cyclictest14698-21irqstats19:23:090
10036999711,48cyclictest6733-21/usr/sbin/munin22:53:220
10036999639,34cyclictest18543-21irqstats21:53:350
10036999622,51cyclictest2554-21apt-get21:07:450
10036999618,58cyclictest30643-21irqstats22:28:380
10036999615,22cyclictest17056-21/usr/sbin/munin19:37:340
10036999614,61cyclictest3248-21apt-get00:17:480
10036999613,63cyclictest21407-21ssh22:02:260
10036999613,23cyclictest12132-21users21:34:100
10036999536,35cyclictest30574-21apt-get20:52:380
10036999513,62cyclictest3847-21users22:44:110
10036999512,48cyclictest13834-21latency19:18:110
10036999335,35cyclictest29679-21apt-get20:47:410
10036999310,67cyclictest24118-21head20:13:310
1003699928,47cyclictest18920-21cut19:47:460
10036999244,31cyclictest20304-21processes19:53:240
10036999236,34cyclictest24267-21apt-get20:17:380
10036999214,60cyclictest21400-21sed19:58:300
10036999211,59cyclictest25989-21latency_hist20:27:270
10036999211,23cyclictest28879-21tr20:42:490
10036999118,35cyclictest10164-21grep18:57:440
10036999118,24cyclictest15749-21ntp_states19:28:210
10036999029,41cyclictest21558-21apt-get20:02:400
10036999018,49cyclictest11078-21munin-node19:02:320
10036999013,29cyclictest22976-21/usr/sbin/munin20:08:230
10036998924,43cyclictest27865-21apt-get20:37:340
10036998921,46cyclictest27768-21munin-run20:37:260
10036998921,31cyclictest17991-21tr19:42:460
10036998913,57cyclictest11965-21fw_conntrack19:08:050
10036998716,22cyclictest16172-21apt-get19:32:390
10036998612,25cyclictest26076-21/usr/sbin/munin20:27:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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