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2026-03-28 - 17:07
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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 50 highest latencies:
System rackbslot6.osadl.org (updated Sat Mar 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3243423250,12sleep332439-21fschecks_count08:03:563
60421500,3sleep3187399cyclictest09:09:103
2892521500,3sleep1186399cyclictest11:14:101
326332620,2sleep00-21swapper/011:51:270
56602600,4sleep1186399cyclictest13:36:111
125472580,4sleep1186399cyclictest10:24:401
16582554,39sleep00-21swapper/008:07:250
187399543,19cyclictest16746-21/usr/sbin/munin13:14:113
239652530,2sleep20-21swapper/211:43:262
186999531,27cyclictest5965-21awk12:29:172
186999531,27cyclictest5965-21awk12:29:172
186999531,23cyclictest21546-21users08:44:102
187399528,12cyclictest30657-21awk11:49:083
1869995216,25cyclictest9268-21expr12:34:022
187399472,18cyclictest28526-21ssh13:26:323
186999470,23cyclictest14881-21snmp_o5powerctl09:39:102
319062440,14sleep0101ktimersoftd/009:08:590
187399444,13cyclictest12303-21sed08:28:423
186999441,26cyclictest16768-21strings13:14:112
186999440,22cyclictest6713-21snmp_o5powerctl08:14:072
186999440,20cyclictest0-21swapper/210:14:022
186999433,19cyclictest19612-21snmp_o5powerctl09:49:112
187399416,10cyclictest22837-21ssh10:35:043
187399414,13cyclictest31866-21sed13:29:183
186999413,30cyclictest12069-21apt-get12:04:002
187399404,12cyclictest23082-21grep09:58:583
106891400,1ptp4l401ktimersoftd/312:00:323
187399394,12cyclictest27899-21sed12:19:093
106891390,1ptp4l401ktimersoftd/310:56:023
187399387,12cyclictest2868-21ssh12:27:203
187399387,12cyclictest2868-21ssh12:27:203
186999380,23cyclictest30705-21awk09:04:112
186999380,22cyclictest12510-21awk09:34:112
186999380,19cyclictest27448-21diskmemload10:28:142
106891380,1ptp4l401ktimersoftd/313:36:433
106891380,1ptp4l401ktimersoftd/313:11:503
106891380,1ptp4l401ktimersoftd/313:03:053
106891380,1ptp4l401ktimersoftd/312:33:153
106891380,1ptp4l401ktimersoftd/312:33:153
106891380,1ptp4l401ktimersoftd/311:37:473
106891380,1ptp4l401ktimersoftd/311:31:243
106891380,1ptp4l401ktimersoftd/311:27:083
106891380,1ptp4l401ktimersoftd/311:15:283
106891380,1ptp4l401ktimersoftd/311:10:593
106891380,1ptp4l401ktimersoftd/311:05:253
106891380,1ptp4l401ktimersoftd/310:51:283
106891380,1ptp4l401ktimersoftd/310:18:143
106891380,0ptp4l401ktimersoftd/312:35:103
1873993716,14cyclictest0-21swapper/312:04:003
186999371,31cyclictest0-21swapper/212:19:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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