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2025-05-02 - 13:00
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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 50 highest latencies:
System rack5slot7.osadl.org (updated Fri May 02, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
831224232183,187sleep00-21swapper17:48:320
11309910310,68cyclictest12504-21cut20:56:010
11309910235,51cyclictest0-21swapper22:12:490
11309910218,43cyclictest11095-21users22:27:450
11309910214,25cyclictest30968-21/usr/sbin/munin20:12:450
11309910212,26cyclictest377-21ls21:56:360
11309910119,63cyclictest8498-21apt-get22:21:200
11309910114,65cyclictest29799-21ssh21:47:150
11309910016,24cyclictest12934-21fw_conntrack20:56:530
11309910012,25cyclictest21203-21ssh21:21:410
1130999914,65cyclictest16094-21sort19:10:580
1130999911,26cyclictest16323-21/usr/sbin/munin19:11:270
1130999911,24cyclictest14654-21ssh22:38:570
1130999910,68cyclictest23419-21aten_r5power_en23:06:240
1130999818,59cyclictest15188-21users21:02:450
1130999817,61cyclictest29296-21users20:07:440
1130999817,43cyclictest17963-21fw_conntrack21:11:560
1130999816,43cyclictest31963-21df20:16:390
1130999816,42cyclictest16832-21apt-get22:46:220
1130999814,61cyclictest20146-21/usr/sbin/munin22:56:590
1130999811,69cyclictest2002-21sh22:01:310
1130999810,47cyclictest15244-21ssh22:41:260
1130999810,26cyclictest10266-21ssh20:48:100
113099979,25cyclictest25736-21ps19:57:310
1130999734,46cyclictest0-21swapper21:34:110
1130999728,53cyclictest23333-21apt-get19:51:190
1130999716,45cyclictest6835-21users20:37:390
1130999715,66cyclictest0-21swapper20:35:050
1130999714,43cyclictest26337-21if_eth021:37:010
1130999712,62cyclictest18814-21df_inode22:51:470
1130999618,58cyclictest3871-21fw_conntrack22:06:530
1130999615,62cyclictest7595-21apt-get20:41:170
1130999615,62cyclictest28051-21irqstats21:42:030
1130999615,21cyclictest19506-21df21:16:360
1130999614,47cyclictest25329-21ssh23:12:020
1130999610,66cyclictest6892-21grep22:16:260
1130999515,61cyclictest17529-21grep19:16:540
1130999514,43cyclictest7354-21df18:21:330
1130999513,60cyclictest27683-21ssh23:19:140
1130999513,22cyclictest31372-21irqstats21:52:080
1130999512,60cyclictest22611-21df19:46:270
1130999512,29cyclictest27034-21sed20:01:500
1130999511,23cyclictest3979-21ssh20:30:050
1130999510,65cyclictest12284-21uname22:32:100
1130999415,60cyclictest22871-21df21:26:420
1130999415,22cyclictest22142-21fw_conntrack23:01:570
1130999414,60cyclictest16450-21memory21:07:150
1130999313,28cyclictest3104-21ntpq17:57:110
1130999222,27cyclictest19103-21fw_conntrack19:26:400
1130999214,41cyclictest2182-21munin-node17:56:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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