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2026-05-07 - 20:39
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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 Thu May 07, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2722521670,3sleep33179699cyclictest09:26:103
2419921310,3sleep33179699cyclictest10:26:203
106891920,4ptp4l401ktimersoftd/308:27:013
128542770,4sleep13178499cyclictest08:56:091
212652700,2sleep10-21swapper/113:43:071
162782700,7sleep216276-21ssh12:00:542
306492650,1sleep10-21swapper/113:52:221
173752650,5sleep03177999cyclictest12:01:120
157702650,2sleep00-21swapper/012:00:030
44182630,2sleep20-21swapper/211:15:532
106891620,1ptp4l401ktimersoftd/312:42:533
38302610,2sleep00-21swapper/011:46:260
315552614,10sleep10-21swapper/108:29:111
106891590,1ptp4l401ktimersoftd/313:24:133
31796995644,6cyclictest41-21ksoftirqd/313:56:093
106891560,1ptp4l401ktimersoftd/311:00:453
325282550,1sleep30-21swapper/313:55:333
106891550,1ptp4l401ktimersoftd/312:09:103
31796995444,4cyclictest41-21ksoftirqd/311:26:063
106891540,1ptp4l401ktimersoftd/312:28:143
106891540,1ptp4l401ktimersoftd/312:22:083
31796995241,6cyclictest41-21ksoftirqd/312:31:053
31796995239,6cyclictest41-21ksoftirqd/313:16:083
3179099525,11cyclictest32260-21taskset08:31:032
315972524,36sleep20-21swapper/208:29:452
31796995140,5cyclictest41-21ksoftirqd/311:41:063
3179099514,12cyclictest22358-21cat09:16:082
3179099513,10cyclictest28356-21latency_hist12:45:562
3179099511,14cyclictest16195-21sed11:26:222
3179099511,13cyclictest20223-21head13:41:242
31796995039,5cyclictest41-21ksoftirqd/309:51:023
3179099504,10cyclictest19476-21awk12:36:122
3179099502,12cyclictest24247-21sed13:46:152
3179099491,13cyclictest19806-21fschecks_time09:11:042
236952490,2sleep00-21swapper/012:06:500
106891490,1ptp4l401ktimersoftd/309:23:453
31796994837,5cyclictest41-21ksoftirqd/311:36:053
3179099484,11cyclictest21678-21processes10:21:132
3179099483,12cyclictest12272-21cpuspeed_turbos08:56:032
3179099483,10cyclictest7999-21df_inode10:46:062
3179099481,20cyclictest28649-21fschecks_time13:51:122
3179099481,16cyclictest26425-21/usr/sbin/munin12:11:172
3179099481,13cyclictest7300-21sed08:45:502
3179099481,13cyclictest13222-21grep10:06:032
106891480,2ptp4l29458-21kworker/3:013:48:503
106891480,1ptp4l401ktimersoftd/310:50:163
3179099478,7cyclictest27230-21cat09:26:102
3179099473,11cyclictest32044-21missed_timers13:21:162
3179099472,12cyclictest16958-21df12:01:082
3179099471,12cyclictest14345-21cut13:36:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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