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2026-07-05 - 16:38
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 highest latencies:
System rack7slot8.osadl.org (updated Sun Jul 05, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1126822249167,381sleep04572-21kworker/0:019:05:280
25516211211,12sleep025517-21diskstats00:10:230
2021321055,13sleep020216-21df_inode21:45:190
20617210315,10sleep0101ktimersoftd/023:50:400
166692996,13sleep016667-21ntp_states21:30:380
296842985,11sleep029735-21/usr/sbin/munin20:15:460
134092985,14sleep013304-21apt-get21:17:570
12195999749,31cyclictest3650irq/20-4900000022:27:100
308932936,11sleep030894-21ntp_states20:20:380
154342936,11sleep015440-21ntp_states21:25:400
12195999350,27cyclictest101ktimersoftd/020:52:100
12195999340,18cyclictest12028-21runrttasks23:16:210
140442924,7sleep00-21swapper/023:25:080
12195999247,29cyclictest3650irq/20-4900000022:45:230
12195999226,13cyclictest101ktimersoftd/022:18:170
12195999158,15cyclictest10150irq/55-4a10000019:20:030
12195999150,24cyclictest0-21swapper/000:35:280
12195999136,39cyclictest243642sleep022:00:530
1219599907,15cyclictest28990-21apt-get22:22:110
12195999047,29cyclictest3650irq/20-4900000023:55:320
271722895,11sleep01305-21snmpd22:13:310
12195998861,11cyclictest101ktimersoftd/019:20:330
12195998830,19cyclictest5170-21sshd22:50:260
12195998746,27cyclictest101ktimersoftd/019:32:090
12195998744,28cyclictest3650irq/20-4900000020:45:300
12195998739,35cyclictest22836-21basename00:00:140
12195998738,33cyclictest10872-21sshd23:13:400
12195998737,34cyclictest0-21swapper/000:09:440
12195998732,40cyclictest0-21swapper/021:03:160
1219599868,59cyclictest30480-21sshd00:29:580
12195998641,37cyclictest1408-21nginx23:48:040
12195998440,28cyclictest3650irq/20-4900000021:35:250
12195998437,31cyclictest10250irq/56-4a10000020:27:390
12195998433,33cyclictest801-21dbus-daemon23:00:000
12195998319,44cyclictest1276-21runrttasks20:59:280
12195998243,27cyclictest101ktimersoftd/020:35:320
12195998210,17cyclictest22892-21ntp_states21:55:420
12195998162,11cyclictest101ktimersoftd/021:20:380
12195998150,15cyclictest10150irq/55-4a10000020:00:360
12195998130,19cyclictest10250irq/56-4a10000021:06:550
1219599806,24cyclictest21657-21latency_hist19:45:020
12195998062,11cyclictest101ktimersoftd/020:05:300
12195998050,12cyclictest10150irq/55-4a10000023:43:030
12195998036,30cyclictest10250irq/56-4a10000000:30:300
12195998032,32cyclictest21976-21df_inode19:45:200
12195998032,15cyclictest10250irq/56-4a10000019:56:430
12195997961,11cyclictest101ktimersoftd/000:20:480
12195997960,11cyclictest101ktimersoftd/000:15:390
12195997917,26cyclictest0-21swapper/022:33:360
12195997853,17cyclictest23122-21aten_r7power_vo19:50:140
12195997853,17cyclictest188122sleep021:40:130
12195997848,13cyclictest10150irq/55-4a10000022:35:380
12195997843,27cyclictest0-21swapper/023:05:110
12195997830,14cyclictest10250irq/56-4a10000020:12:370
12195997753,16cyclictest12353-21aten_r7power_po19:10:140
12195997748,13cyclictest10150irq/55-4a10000023:30:180
12195997748,12cyclictest10150irq/55-4a10000021:10:160
12195997745,17cyclictest10150irq/55-4a10000020:40:130
12195997743,25cyclictest0-21swapper/022:40:060
12195997736,29cyclictest13055-21df23:20:460
12195997658,11cyclictest101ktimersoftd/019:35:330
12195997658,10cyclictest101ktimersoftd/022:05:330
12195997647,13cyclictest10150irq/55-4a10000020:30:290
12195997644,23cyclictest16892-21ntpq23:35:360
12195997641,22cyclictest101ktimersoftd/019:25:320
12195997631,31cyclictest101ktimersoftd/023:00:190
12195997541,23cyclictest0-21swapper/021:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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