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2025-12-14 - 07:58
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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 Sun Dec 14, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
936921840,5sleep22946299cyclictest21:50:502
2782021830,4sleep12945899cyclictest23:36:111
2135221590,5sleep12945899cyclictest23:21:131
106891980,3ptp4l401ktimersoftd/319:08:573
123022680,5sleep212306-21fschecks_count21:56:042
68982660,5sleep12945899cyclictest00:01:041
39922640,1sleep30-21swapper/321:36:173
2945899619,14cyclictest17885-21expr23:16:031
29458996010,13cyclictest23873-21irqrtprio21:11:071
2945899599,13cyclictest7393-21grep20:36:091
2945899599,13cyclictest29598-21irqrtprio22:31:101
2945899599,13cyclictest17247-21sed00:21:121
2945899599,12cyclictest3257-21fschecks_time19:21:021
2945899598,12cyclictest21903-21latency_hist20:00:471
2945899589,13cyclictest25098-21sed22:21:121
2945899589,12cyclictest30171-21grep23:41:081
2945899589,12cyclictest18632-21sed22:06:201
29458995813,20cyclictest10791-21cut23:01:051
29458995810,13cyclictest28232-21tune2fs21:21:061
291982584,42sleep00-21swapper/019:08:490
106891580,1ptp4l401ktimersoftd/300:21:113
2945899579,13cyclictest1582-21sed21:31:171
2945899579,12cyclictest30474-21wc20:16:111
2945899578,12cyclictest6130-21cstates22:51:041
29458995710,11cyclictest7599-21apt-key19:30:471
2945899569,18cyclictest7585-21latency_hist19:30:471
2945899569,13cyclictest4193-21awk21:36:181
2945899569,12cyclictest8639-21awk21:46:171
2945899567,12cyclictest14850-21cstates22:01:041
2945899559,12cyclictest6161-21awk23:56:231
2945899558,12cyclictest27576-21phc2sys22:26:111
2945899549,15cyclictest17879-21if_enp1s019:51:051
2945899548,18cyclictest12357-21fschecks_time21:56:041
2945899548,12cyclictest19122-21expr00:26:081
2945899548,12cyclictest10731-21idleruntime19:36:051
2945899548,11cyclictest8823-21cstates20:41:001
2945899547,12cyclictest15059-21cpuspeed_turbos19:46:011
2945899547,11cyclictest11476-21latency_hist00:10:531
43152530,3sleep02945399cyclictest20:31:070
2945899539,12cyclictest22197-21awk21:06:201
2945899538,12cyclictest29366-21latency_hist19:10:461
2945899537,12cyclictest15787-21cpu20:56:021
2945899537,12cyclictest14308-21cstates00:16:081
29458995310,18cyclictest5251-21fschecks_time21:41:051
29453995342,6cyclictest9-21ksoftirqd/019:55:590
235502530,1sleep30-21swapper/320:01:153
2945899528,14cyclictest1869-21mailstats19:16:171
2945899528,13cyclictest4019-21idleruntime22:46:071
2945899527,12cyclictest25121-21irqrtprio20:06:071
2945899525,12cyclictest0-21swapper/121:16:081
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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