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2025-12-23 - 22:33
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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 Tue Dec 23, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
714721260,2sleep30-21swapper/308:16:193
1068911060,3ptp4l401ktimersoftd/307:13:403
9316997765,6cyclictest41-21ksoftirqd/308:56:183
9316995947,6cyclictest41-21ksoftirqd/308:01:153
9316995947,6cyclictest41-21ksoftirqd/308:01:153
9316995945,7cyclictest41-21ksoftirqd/310:51:183
24562590,2sleep00-21swapper/010:21:250
227562590,1sleep30-21swapper/312:11:273
9316995845,7cyclictest41-21ksoftirqd/310:01:203
9316995845,7cyclictest41-21ksoftirqd/310:01:203
9316995745,6cyclictest41-21ksoftirqd/309:46:163
9316995644,6cyclictest41-21ksoftirqd/312:06:213
9316995443,6cyclictest41-21ksoftirqd/309:54:583
9316995441,6cyclictest41-21ksoftirqd/312:26:193
9316995441,5cyclictest41-21ksoftirqd/311:21:193
9316995140,5cyclictest41-21ksoftirqd/308:21:153
9316995039,5cyclictest41-21ksoftirqd/312:21:213
9316994937,6cyclictest41-21ksoftirqd/310:06:183
929799490,13cyclictest30189-21awk11:21:070
219162490,1sleep10-21swapper/112:11:091
9316994835,6cyclictest41-21ksoftirqd/310:31:203
106891480,1ptp4l401ktimersoftd/310:29:473
929799475,8cyclictest25127-21gltestperf07:46:180
95172460,2sleep20-21swapper/207:16:162
106891460,0ptp4l401ktimersoftd/308:29:123
9316994434,4cyclictest41-21ksoftirqd/310:11:183
106891440,1ptp4l401ktimersoftd/307:58:573
9316994334,4cyclictest41-21ksoftirqd/311:56:223
9316994334,4cyclictest41-21ksoftirqd/311:56:223
9316994332,4cyclictest41-21ksoftirqd/310:36:173
929799438,7cyclictest19755-21cpuspeed_turbos12:06:230
106891430,2ptp4l3999-21kworker/3:008:09:153
106891430,2ptp4l3999-21kworker/3:008:09:153
929799403,6cyclictest15251-21fschecks_time11:56:250
929799403,6cyclictest15251-21fschecks_time11:56:250
9316993927,7cyclictest41-21ksoftirqd/308:46:163
930999390,16cyclictest6494-21/usr/sbin/munin11:36:302
929799396,6cyclictest10347-21grep09:31:200
929799393,5cyclictest9-21ksoftirqd/010:31:140
929799384,5cyclictest9-21ksoftirqd/009:51:250
106891380,1ptp4l401ktimersoftd/311:41:363
9309993721,13cyclictest33-21ksoftirqd/211:36:062
9309993720,14cyclictest33-21ksoftirqd/211:04:222
9309993719,15cyclictest33-21ksoftirqd/210:37:212
106891370,1ptp4l401ktimersoftd/312:41:403
9316993631,3cyclictest41-21ksoftirqd/311:31:083
9316993629,4cyclictest41-21ksoftirqd/311:11:233
9316993625,9cyclictest41-21ksoftirqd/309:16:213
931699361,3cyclictest121rcu_preempt11:51:373
931699361,3cyclictest121rcu_preempt11:51:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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