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2026-06-01 - 17:33
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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 Mon Jun 01, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10912224272179,90sleep00-21swapper07:01:550
113369916516,60cyclictest27746-21memory11:56:490
11336991619,66cyclictest10997-21ssh11:07:300
113369916117,57cyclictest15565-21fw_conntrack11:21:300
113369916113,39cyclictest2226-21/usr/sbin/munin10:42:080
113369915910,26cyclictest7253-21head09:22:180
113369915611,61cyclictest31133-21ls12:06:420
113369910926,65cyclictest0-21swapper11:27:330
113369910519,64cyclictest18366-21apt-get09:55:500
113369910126,66cyclictest0-21swapper11:13:350
113369910119,23cyclictest24291-21memory11:46:470
113369910116,61cyclictest5130-21memory09:16:450
113369910115,25cyclictest5530-21irqstats12:26:410
113369910032,50cyclictest0-21swapper09:08:580
113369910017,67cyclictest27361-21fw_conntrack10:21:320
11336999941,22cyclictest11671-21cpu09:36:040
11336999917,22cyclictest26433-21users11:52:190
11336999915,61cyclictest28692-21ssh10:25:400
11336999912,68cyclictest27438-21df08:31:000
11336999912,26cyclictest22326-21/usr/sbin/munin10:06:450
11336999912,26cyclictest13947-21ssh09:42:050
11336999830,53cyclictest0-21swapper09:10:390
11336999817,60cyclictest22405-21df_inode11:41:210
11336999816,44cyclictest8989-21users09:27:250
11336999812,65cyclictest15276-21/usr/sbin/munin09:46:250
11336999811,64cyclictest19786-21ssh11:33:250
11336999811,47cyclictest3178-21ssh12:20:100
11336999728,51cyclictest0-21swapper09:34:400
11336999716,23cyclictest5292-21irqstats10:51:380
11336999714,45cyclictest415-21/usr/sbin/munin12:11:440
11336999713,46cyclictest8390-21ssh11:01:010
11336999713,46cyclictest13498-21ssh11:15:560
11336999712,62cyclictest3836-21grep12:21:420
11336999710,24cyclictest7855-21ssh12:32:490
1133699968,67cyclictest25655-21/usr/sbin/munin10:16:320
11336999633,46cyclictest0-21swapper10:59:570
11336999626,39cyclictest14158-1kworker/u3:109:50:510
11336999614,63cyclictest31090-21ssh10:32:050
11336999612,66cyclictest23190-21grep08:06:220
11336999612,27cyclictest29047-21ssh12:01:010
11336999517,42cyclictest3469-21df_inode10:46:180
11336999418,55cyclictest24885-21irqstats08:16:160
11336999416,22cyclictest20684-21df_inode11:36:210
11336999415,59cyclictest32664-21memory10:36:450
11336999411,44cyclictest14175-21grep07:16:190
11336999340,22cyclictest29319-21df_inode08:41:070
11336999313,41cyclictest24268-21ssh10:12:080
11336999313,19cyclictest31634-21munin-run08:55:290
11336999312,23cyclictest14641-21/usr/sbin/munin07:21:390
11336999215,57cyclictest21741-21munin-run08:00:290
11336999215,46cyclictest0-21swapper08:56:350
11336999214,22cyclictest23627-21apt-get08:10:400
1133699918,65cyclictest20237-21wget10:01:020
11336999112,22cyclictest28595-21snmpd07:15:270
11336999111,62cyclictest999-21cat09:05:320
11336999110,58cyclictest17374-21basename07:35:490
11336999018,49cyclictest19128-21apt-get07:45:440
11336999017,24cyclictest16290-21users07:26:410
11336999014,20cyclictest12234-21munin-run07:10:290
11336998920,20cyclictest26333-21apt-get08:25:420
11336998916,22cyclictest30272-21irqstats08:46:100
11336998817,23cyclictest22292-21/usr/sbin/munin08:01:250
11336998815,24cyclictest17188-21users07:31:380
11336998815,21cyclictest25445-21apt-get08:20:500
11336998813,56cyclictest28595-21snmpd07:41:200
11336998717,25cyclictest28948-21munin-run08:40:300
11336998712,56cyclictest20082-21wget07:50:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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