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2026-07-27 - 03:18
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Mon Jul 27, 2026 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23422224010,11sleep022555-1kworker/u3:018:58:290
242939910921,63cyclictest2398-21/usr/sbin/munin23:39:430
242939910425,33cyclictest0-21swapper23:00:540
242939910118,43cyclictest19268-21apt-get21:18:050
242939910117,63cyclictest17819-21apt-get00:23:030
242939910117,23cyclictest26677-21fw_conntrack23:13:530
242939910112,68cyclictest10934-21grep22:28:200
242939910111,70cyclictest4813-21wc22:09:310
242939910031,24cyclictest0-21swapper21:26:440
242939910017,23cyclictest30492-21users21:49:350
242939910016,24cyclictest31286-21ssh23:27:480
24293999919,59cyclictest25344-21sort23:09:300
24293999917,62cyclictest9527-21df23:58:330
24293999916,21cyclictest31284-21apt-get21:53:050
24293999914,48cyclictest7429-21ssh23:52:480
24293999913,27cyclictest27122-21ssh21:39:460
24293999910,28cyclictest1578-21ssh22:00:000
24293999830,51cyclictest0-21swapper22:26:410
24293999829,53cyclictest11632-21ssh00:04:240
24293999817,61cyclictest29436-21munin-run21:47:480
24293999815,62cyclictest16356-21memory21:09:100
24293999815,24cyclictest1815-21ssh23:35:330
24293999812,65cyclictest9184-21ls23:57:500
24293999810,48cyclictest12938-21ssh00:08:310
2429399979,64cyclictest14040-21ls21:02:520
24293999717,61cyclictest31786-21fw_conntrack23:28:480
24293999717,60cyclictest14897-21ntp_states22:39:180
24293999717,45cyclictest14727-21ntp_states21:04:200
24293999716,21cyclictest19288-21munin-run22:52:460
24293999715,35cyclictest19903-21fw_conntrack00:28:440
24293999714,24cyclictest23205-21fw_conntrack23:03:450
24293999711,25cyclictest3282-21ssh22:04:580
24293999710,65cyclictest17055-21ssh22:45:150
24293999635,19cyclictest6313-21ssh22:14:140
24293999615,21cyclictest12834-21df22:33:340
24293999614,60cyclictest16722-21/usr/sbin/munin00:19:150
24293999614,44cyclictest24428-21ssh21:32:590
24293999612,65cyclictest22924-21expr21:28:270
24293999610,65cyclictest28503-21grep23:19:050
24293999610,48cyclictest19414-21/usr/sbin/munin22:52:560
24293999526,53cyclictest0-21swapper00:13:210
24293999517,57cyclictest17564-21apt-get21:13:050
24293999510,66cyclictest26408-21ls19:09:110
24293999416,43cyclictest8435-21ssh22:19:560
24293999414,33cyclictest4478-21fw_conntrack23:43:430
24293999316,58cyclictest1327-21munin-run19:52:460
24293999313,32cyclictest12157-21sendmail20:52:450
24293999312,25cyclictest13094-21wc20:57:480
24293999210,62cyclictest27597-21/usr/sbin/munin19:18:080
24293999210,26cyclictest3228-21wc20:02:490
2429399919,45cyclictest5761-21grep20:13:500
24293999112,27cyclictest4365-21grep20:08:180
24293999018,23cyclictest8836-21/usr/sbin/munin20:33:120
24293999016,24cyclictest1448-21apt-get19:53:020
24293999013,58cyclictest0-21swapper19:13:450
24293998915,25cyclictest3243-21/usr/sbin/munin20:03:390
24293998912,25cyclictest28485-21/usr/sbin/munin19:23:060
24293998911,62cyclictest9562-21/usr/sbin/munin20:38:510
2429399889,22cyclictest28595-21snmpd20:18:520
2429399888,61cyclictest6937-21aten_r5power_po20:23:080
24293998836,35cyclictest30188-21sendmail19:32:460
24293998818,49cyclictest30776-21ntp_states19:33:420
24293998817,24cyclictest31538-21irqstats19:38:290
24293998816,49cyclictest11213-21users20:43:570
24293998718,21cyclictest32425-21irqstats19:43:300
24293998714,56cyclictest24473-21grep19:03:090
24293998714,53cyclictest8044-21fw_conntrack20:28:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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