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2025-12-25 - 10:45
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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 Dec 25, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2385721740,3sleep01076999cyclictest23:02:270
899721680,4sleep11077499cyclictest22:32:171
1068911220,9ptp4l5653-21kworker/3:219:16:203
106891670,1ptp4l401ktimersoftd/300:42:253
141642650,4sleep341-21ksoftirqd/321:37:113
113812650,4sleep31078999cyclictest19:17:053
113812650,4sleep31078999cyclictest19:17:053
10769996357,3cyclictest0-21swapper/019:16:520
187602610,2sleep00-21swapper/022:52:200
94872594,10sleep20-21swapper/219:12:122
106891580,1ptp4l401ktimersoftd/300:19:463
106891570,1ptp4l401ktimersoftd/323:21:173
115262550,2sleep30-21swapper/322:37:213
10784995126,10cyclictest33-21ksoftirqd/222:26:572
1078499504,7cyclictest321ktimersoftd/223:21:582
10784994923,10cyclictest33-21ksoftirqd/221:56:562
1078499486,7cyclictest33-21ksoftirqd/200:13:172
1078499484,8cyclictest321ktimersoftd/222:37:182
1078499483,7cyclictest321ktimersoftd/221:37:252
1078499476,6cyclictest33-21ksoftirqd/220:12:142
1078499462,8cyclictest321ktimersoftd/223:02:172
1078499462,7cyclictest321ktimersoftd/223:11:582
1078499462,7cyclictest321ktimersoftd/223:11:582
10784994622,10cyclictest33-21ksoftirqd/223:41:582
1078499460,8cyclictest321ktimersoftd/223:47:212
106891460,13ptp4l13364-21kworker/3:100:41:033
1078499452,7cyclictest321ktimersoftd/223:52:122
1078499451,9cyclictest321ktimersoftd/219:42:152
1078499447,7cyclictest33-21ksoftirqd/222:27:262
1078499443,7cyclictest27335-21missed_timers19:47:142
1078499443,6cyclictest321ktimersoftd/221:02:152
10784994422,9cyclictest33-21ksoftirqd/223:27:272
1078499440,8cyclictest32175-21cpuspeed_turbos21:07:082
1078499437,5cyclictest33-21ksoftirqd/223:00:072
1078499432,7cyclictest321ktimersoftd/200:22:272
1078499430,8cyclictest321ktimersoftd/222:12:112
106891430,0ptp4l401ktimersoftd/320:45:163
1078499424,6cyclictest321ktimersoftd/220:22:072
1078499423,6cyclictest321ktimersoftd/222:42:172
1078499422,7cyclictest321ktimersoftd/219:21:562
1078499422,15cyclictest26914-21bc23:12:092
10784994220,9cyclictest33-21ksoftirqd/200:07:302
1078499421,8cyclictest321ktimersoftd/220:57:242
10784994218,7cyclictest33-21ksoftirqd/223:42:172
1078499421,7cyclictest321ktimersoftd/219:37:072
10784994217,9cyclictest33-21ksoftirqd/219:27:092
1078499420,9cyclictest321ktimersoftd/223:22:202
1078499418,5cyclictest33-21ksoftirqd/221:32:312
1078499412,6cyclictest321ktimersoftd/200:42:162
10784994117,9cyclictest33-21ksoftirqd/222:07:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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