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2026-05-21 - 09:20
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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 21, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17970224152152,208sleep00-21swapper19:03:040
183349911343,47cyclictest25363-21irqstats23:32:140
183349911238,51cyclictest783-21apt-get22:21:220
183349911145,48cyclictest9938-21timerwakeupswit21:12:420
183349911036,49cyclictest21482-21apt-get23:21:190
183349910832,52cyclictest13419-21timerwakeupswit21:22:420
183349910742,30cyclictest27185-21/usr/sbin/munin23:37:200
183349910734,48cyclictest31796-21apt-get23:51:230
183349910718,65cyclictest4780-21df00:06:410
183349910648,40cyclictest11861-21ssh00:27:160
183349910632,33cyclictest19524-21ssh21:41:320
183349910536,46cyclictest16574-21df23:06:460
183349910533,49cyclictest26726-21fw_conntrack22:02:040
183349910530,32cyclictest15993-21apt-get21:31:220
183349910435,31cyclictest1075-21apt-get23:56:200
183349910432,35cyclictest30237-21irqstats22:12:120
183349910431,51cyclictest11627-21/usr/sbin/munin21:17:410
183349910431,31cyclictest30534-21irqstats23:47:150
183349910430,49cyclictest28807-21irqstats23:42:130
183349910429,51cyclictest6021-21ssh22:36:300
183349910428,36cyclictest19744-21/usr/sbin/munin23:16:340
183349910410,71cyclictest10023-21ntpq22:47:290
183349910334,46cyclictest13120-21apt-get00:31:210
183349910331,49cyclictest11125-21apt-get22:51:190
183349910329,34cyclictest25067-21irqstats21:57:100
183349910312,67cyclictest28835-21ssh22:07:400
183349910231,48cyclictest31518-21apt22:16:110
183349910230,49cyclictest4240-21apt-get22:31:220
183349910228,31cyclictest2804-21/usr/sbin/munin00:02:060
183349910217,59cyclictest18373-21df_inode23:11:590
183349910213,29cyclictest3356-21grep22:27:460
183349910143,34cyclictest6232-21apt-get00:11:210
183349910131,48cyclictest23950-21/usr/sbin/munin23:27:410
183349910130,48cyclictest14265-21apt-get21:26:220
183349910112,26cyclictest24260-21ssh21:54:540
183349910035,40cyclictest7354-21apt-get21:06:230
183349910031,31cyclictest31531-21users20:17:110
183349910030,49cyclictest20902-21tr19:21:210
183349910029,32cyclictest14966-21fw_conntrack23:02:050
183349910029,32cyclictest10027-21df_inode00:21:520
183349910028,35cyclictest30377-21wc20:11:590
183349910027,36cyclictest22230-21ssh21:48:230
183349910025,52cyclictest7967-21apt-get00:16:190
183349910023,52cyclictest7854-21ssh22:41:360
183349910011,49cyclictest18612-21/usr/sbin/munin21:37:440
18334999928,31cyclictest31668-21/usr/sbin/munin20:21:110
18334999925,32cyclictest13453-21ntpdc22:57:290
18334999824,33cyclictest2738-21grep20:41:030
18334999738,36cyclictest28065-21apt-get20:01:200
18334999737,35cyclictest2831-21apt-get20:41:170
18334999725,50cyclictest19856-21munin-run19:16:020
18334999723,33cyclictest7185-21users21:02:100
18334999647,33cyclictest25958-21switchtime19:47:000
18334999626,48cyclictest22554-21latency_hist19:31:010
18334999620,51cyclictest19375-21sed19:11:070
1833499959,26cyclictest5146-21grep20:52:010
18334999523,50cyclictest5611-21aten_r5power_po20:56:250
18334999440,37cyclictest29751-21latency_hist20:11:010
18334999438,34cyclictest19972-21apt-get19:16:170
18334999426,31cyclictest25050-21find19:42:020
18334999412,22cyclictest26316-21cut19:51:240
18334999316,40cyclictest23777-21df19:36:320
18334999235,34cyclictest3717-21apt-get20:46:150
18334999225,44cyclictest22715-21tr19:31:230
18334999224,49cyclictest1808-21munin-run20:36:020
18334998921,48cyclictest32557-21sshd20:26:110
18334998816,23cyclictest27437-21df_inode19:56:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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