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2026-05-26 - 04:21
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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 May 26, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13155223942169,171sleep00-21swapper19:04:150
133609910533,54cyclictest981-21timerandwakeup00:07:290
133609910316,65cyclictest8801-21ssh00:31:100
133609910220,59cyclictest31052-21df_inode22:26:440
133609910216,43cyclictest6493-21munin-run21:15:480
133609910211,69cyclictest17174-21/usr/sbin/munin23:21:440
133609910211,27cyclictest20169-21ssh21:55:240
133609910026,57cyclictest0-21swapper23:00:090
133609910020,21cyclictest21045-21irqstats23:31:550
133609910018,61cyclictest15815-21df_inode23:16:410
133609910016,64cyclictest1903-21/usr/sbin/munin00:12:200
133609910013,65cyclictest7051-21/usr/sbin/munin00:26:330
133609910013,22cyclictest5708-21df_inode00:21:430
133609910011,67cyclictest6548-21ssh22:49:560
13360999936,46cyclictest0-21swapper21:48:100
13360999924,42cyclictest0-21swapper22:42:020
13360999916,64cyclictest16958-21fw_conntrack19:21:410
13360999916,22cyclictest7569-21users21:17:370
13360999915,24cyclictest15573-21df_inode21:41:380
13360999914,61cyclictest30800-21munin-run00:00:500
13360999914,22cyclictest27120-21ssh22:15:460
13360999912,25cyclictest10332-21ssh23:01:160
1336099989,67cyclictest4552-21ssh21:09:500
13360999817,59cyclictest10323-21df21:26:320
13360999817,44cyclictest20390-21apt-get21:56:070
13360999817,42cyclictest31185-21df00:01:280
13360999817,21cyclictest12541-21ssh23:07:100
13360999815,62cyclictest12130-21df_inode21:31:420
13360999814,23cyclictest3310-21munin-run22:40:500
13360999814,23cyclictest26701-21users23:47:380
13360999813,24cyclictest19508-21ntp_states23:27:170
1336099979,26cyclictest9669-21ssh21:24:290
13360999721,42cyclictest0-21swapper22:16:310
13360999716,61cyclictest22853-21munin-run19:55:480
13360999716,59cyclictest8446-21munin-run22:55:490
13360999715,44cyclictest29370-21fw_conntrack22:21:480
13360999712,64cyclictest29991-21grep20:31:530
13360999616,23cyclictest4177-21memory00:17:100
13360999615,63cyclictest13513-21apt-get21:36:140
13360999614,47cyclictest24046-21/usr/sbin/munin23:40:570
13360999610,46cyclictest17556-21/usr/sbin/munin19:25:560
1336099959,61cyclictest23905-21basename22:06:190
13360999517,62cyclictest21944-21cron19:50:460
13360999516,58cyclictest18797-21irqstats19:31:510
13360999512,23cyclictest32466-21aten_r5power_cu22:31:150
13360999416,57cyclictest20128-21users19:36:540
13360999414,60cyclictest27927-21irqstats23:52:000
13360999414,58cyclictest2348-21grep21:01:120
13360999412,62cyclictest14445-21munin-node19:11:150
13360999317,56cyclictest22565-21irqstats22:02:010
13360999215,60cyclictest0-21swapper23:39:170
13360999210,62cyclictest14515-21cat23:12:280
13360999113,18cyclictest24750-21/usr/sbin/munin20:05:570
13360999110,24cyclictest28595-21snmpd19:06:120
13360999019,27cyclictest1193-21/usr/sbin/munin20:55:500
13360998915,36cyclictest31277-21df20:41:150
13360998914,25cyclictest25764-21cut20:11:120
13360998913,27cyclictest16374-21/usr/sbin/munin19:17:180
13360998912,20cyclictest30381-21df20:36:140
13360998832,39cyclictest24312-21tr20:01:410
13360998821,21cyclictest0-21swapper20:26:240
13360998817,22cyclictest27879-21memory20:21:540
13360998815,35cyclictest23237-21df_inode19:56:210
13360998717,23cyclictest1592-21df_inode20:56:230
13360998715,23cyclictest32363-21memory20:46:370
13360998713,26cyclictest27360-21cron20:20:460
13360998613,24cyclictest20915-21grep19:41:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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