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2026-05-08 - 01:47
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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 May 07, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25080224182156,86sleep00-21swapper07:03:410
254469910718,49cyclictest18372-21apt-get12:27:010
254469910317,25cyclictest26923-21fw_conntrack09:42:360
254469910217,64cyclictest14950-21apt-get12:17:040
254469910214,28cyclictest15190-21ssh10:42:480
254469910211,26cyclictest10663-21ssh10:29:070
254469910117,46cyclictest16737-21memory09:13:020
254469910116,46cyclictest20440-21df_inode12:32:310
254469910116,44cyclictest2820-21munin-run11:41:410
254469910115,46cyclictest30254-21df09:52:260
254469910014,63cyclictest8294-21if_eth010:22:460
254469910012,65cyclictest3372-21ssh11:42:460
2544699999,28cyclictest1559-21ls10:03:050
25446999917,61cyclictest6554-21df08:22:080
25446999917,21cyclictest11743-21irqstats10:32:480
25446999916,62cyclictest13966-21users10:38:270
25446999916,23cyclictest28948-21irqstats11:22:480
25446999913,24cyclictest5960-21ssh10:16:230
25446999912,47cyclictest24694-21tr09:36:400
25446999828,53cyclictest0-21swapper11:29:310
25446999821,55cyclictest24824-21apt-get09:36:590
25446999817,61cyclictest6554-21ssh10:17:450
25446999817,60cyclictest11847-21df_inode12:07:300
25446999817,20cyclictest31972-21df09:57:200
25446999816,23cyclictest32468-21apt-get07:46:550
25446999813,22cyclictest18565-21ntp_states09:18:100
25446999812,64cyclictest20141-21ls10:57:170
25446999811,66cyclictest28595-21snmpd09:26:470
25446999716,63cyclictest28269-21apt-get09:47:010
25446999716,42cyclictest23661-21df_inode11:07:290
25446999715,44cyclictest18268-21munin-run12:26:400
25446999715,23cyclictest17400-21users10:48:300
25446999712,65cyclictest5303-21open_inodes11:48:120
25446999712,63cyclictest12237-21/usr/sbin/munin08:52:390
25446999711,63cyclictest15400-21sed09:08:300
25446999711,27cyclictest3950-21ssh10:09:570
25446999630,49cyclictest0-21swapper11:05:170
25446999630,48cyclictest0-21swapper11:55:230
25446999625,36cyclictest0-21swapper07:27:000
25446999616,59cyclictest9802-21apt-get12:02:040
25446999614,60cyclictest13657-21irqstats12:12:460
25446999610,67cyclictest18705-21memory10:52:580
25446999610,66cyclictest25991-21awk11:13:270
25446999514,44cyclictest7505-21df_inode08:27:140
25446999510,60cyclictest26513-21cat07:11:470
25446999420,53cyclictest8292-21ssh11:57:160
25446999415,58cyclictest21726-21df_inode09:27:320
2544699938,46cyclictest27060-21ssh11:17:240
25446999314,47cyclictest0-21swapper07:32:430
25446999313,57cyclictest9529-21ntp_states08:37:390
25446999311,60cyclictest27112-21grep07:17:000
25446999311,23cyclictest823-21ssh11:35:300
25446999310,65cyclictest13446-21sshd09:01:390
25446999214,58cyclictest8426-21fw_conntrack08:32:210
25446999214,29cyclictest1884-21/usr/sbin/munin07:57:000
25446999116,19cyclictest0-21swapper07:56:390
2544699909,23cyclictest14280-21unixbench_singl09:02:460
25446999041,34cyclictest5599-21cpu08:17:040
25446999016,57cyclictest28254-21df_inode07:22:140
25446998917,24cyclictest26967-21munin-run07:16:390
25446998915,24cyclictest10356-21sshd08:42:300
25446998910,21cyclictest28595-21snmpd08:47:020
25446998814,27cyclictest4265-21switchtime08:07:440
2544699879,30cyclictest31394-21/usr/sbin/munin07:37:440
25446998718,23cyclictest4815-21fw_conntrack08:12:200
25446998715,25cyclictest3500-21users08:02:490
25446998616,23cyclictest31848-21df_inode07:42:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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