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2026-04-21 - 21:43
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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 Apr 21, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20847224472206,89sleep00-21swapper07:03:310
213109911033,64cyclictest0-21swapper11:15:100
213109910315,68cyclictest29929-21munin-run10:02:270
213109910129,57cyclictest0-21swapper09:10:350
213109910119,58cyclictest10365-21memory12:13:430
213109910117,67cyclictest0-21swapper10:18:170
213109910026,48cyclictest0-21swapper10:25:260
213109910017,23cyclictest19198-21ssh09:30:280
213109910016,63cyclictest31753-21apt-get10:07:530
213109910015,22cyclictest15705-21ssh10:54:130
213109910012,48cyclictest6405-21/usr/sbin/munin12:03:430
213109910012,29cyclictest1887-21sed08:13:300
21310999917,59cyclictest18861-21ntp_states11:03:570
21310999917,23cyclictest1690-21snmpd11:48:110
21310999916,62cyclictest10175-21/usr/sbin/munin09:02:450
21310999914,28cyclictest28301-21wget07:42:490
21310999911,27cyclictest1272-21cron12:35:230
21310999843,40cyclictest1832-21threads10:14:050
21310999825,41cyclictest0-21swapper09:40:330
21310999817,44cyclictest13644-21df_inode12:23:200
21310999815,63cyclictest27192-21fw_conntrack11:28:260
21310999811,26cyclictest23944-21/usr/sbin/munin09:44:030
21310999810,68cyclictest14585-21ssh10:52:040
21310999716,44cyclictest30700-21irqstats11:38:370
21310999716,20cyclictest26599-21apt-get09:52:500
21310999715,23cyclictest11909-21memory10:43:470
21310999714,65cyclictest9649-21apt-get10:37:450
21310999714,64cyclictest13171-21df_inode09:13:160
21310999713,63cyclictest28527-21apt-get11:32:560
21310999713,47cyclictest7998-21aten_r5power_en10:32:580
21310999617,58cyclictest30674-21ntp_states10:03:550
21310999617,19cyclictest20380-21irqstats11:08:350
21310999616,61cyclictest12015-21irqstats12:18:350
21310999616,23cyclictest6463-21df10:28:080
21310999613,62cyclictest25920-21ssh11:24:090
21310999611,25cyclictest5138-21ssh11:58:370
21310999611,23cyclictest25378-21grep09:48:410
21310999610,24cyclictest1029-21modprobe08:12:240
21310999517,57cyclictest32247-21df11:43:120
21310999517,23cyclictest15336-21df_inode12:28:190
21310999514,62cyclictest30804-21munin-run07:57:250
21310999514,44cyclictest23740-21df_inode11:18:200
21310999512,61cyclictest4584-21grep08:28:310
21310999511,26cyclictest18136-21date11:02:280
2131099949,25cyclictest17629-21ssh09:26:130
21310999414,20cyclictest14914-21df_inode09:18:150
21310999413,62cyclictest4555-21munin-run11:57:260
21310999413,42cyclictest9711-21modprobe12:12:240
2131099939,63cyclictest3057-21basename08:22:490
21310999316,18cyclictest0-21swapper08:58:130
21310999314,59cyclictest31345-21cat07:58:170
21310999311,45cyclictest20515-21grep09:34:060
21310999215,18cyclictest26265-21users07:28:340
21310999214,59cyclictest23134-21irqstats07:13:290
21310999135,40cyclictest7499-21grep08:47:450
21310999118,24cyclictest28077-21users07:38:360
21310999018,32cyclictest23988-21df_inode07:17:580
21310999015,55cyclictest27163-21users07:33:340
21310998918,22cyclictest2357-21df_inode08:17:590
21310998911,62cyclictest4854-21grep08:32:480
21310998911,26cyclictest29691-21find07:48:260
21310998817,55cyclictest0-21swapper08:53:030
21310998816,25cyclictest31816-21apt-get08:02:390
21310998816,24cyclictest21677-21df_inode07:07:590
21310998812,28cyclictest24649-21grep07:22:450
21310998613,26cyclictest6125-21ntp_kernel_err08:38:180
21310998610,57cyclictest7320-21grep08:43:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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