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2025-03-24 - 01:55
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack0slot0.osadl.org (updated Mon Mar 24, 2025 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3070621710,4sleep33123299cyclictest00:29:443
2698521610,1sleep63125399cyclictest23:37:296
1109421520,0sleep33123299cyclictest23:42:313
2870821490,3sleep43124399cyclictest22:57:184
2870821490,3sleep43124399cyclictest22:57:184
2334621400,0sleep60-21swapper/622:23:136
2537021340,3sleep33123299cyclictest00:35:443
994721330,0sleep10-21swapper/100:20:201
3115821030,0sleep60-21swapper/600:29:466
3169821000,0sleep10-21swapper/100:08:571
148762990,0sleep60-21swapper/623:32:566
103512970,0sleep10-21swapper/123:12:151
103512970,0sleep10-21swapper/123:12:151
130872950,0sleep60-21swapper/600:31:076
259092930,0sleep10-21swapper/122:10:111
301732910,1sleep43124399cyclictest00:26:004
195322910,0sleep30-21swapper/322:26:153
318842890,1sleep631885-21sshd23:58:376
211552880,0sleep50-21swapper/500:28:425
303812870,2sleep03121499cyclictest23:20:550
167282870,2sleep23122799cyclictest23:33:082
165512850,0sleep20-21swapper/221:39:092
214132840,0sleep70-21swapper/700:04:237
108412840,0sleep40-21swapper/423:32:294
316022830,0sleep40-21swapper/423:58:344
213092830,0sleep7761rcuc/723:50:207
100132830,1sleep2321ktimersoftd/223:56:082
204242820,0sleep70-21swapper/700:24:597
273242810,1sleep5581rcuc/500:05:005
151302790,0sleep60-21swapper/621:45:386
71942780,0sleep70-21swapper/723:35:217
57112770,0sleep30-21swapper/323:31:563
221892750,0sleep50-21swapper/500:21:355
106462750,0sleep20-21swapper/222:48:502
225112740,0sleep30-21swapper/321:49:523
32532730,0sleep50-21swapper/522:31:155
237832730,0sleep60-21swapper/600:01:016
66832720,1sleep43124399cyclictest22:44:594
200692720,1sleep33123299cyclictest23:26:423
244672710,2sleep33123299cyclictest22:40:103
132172690,3sleep23122799cyclictest22:29:022
120092680,0sleep20-21swapper/221:45:182
270472670,4sleep03121499cyclictest23:27:290
46582640,4sleep53124899cyclictest23:11:385
46582640,4sleep53124899cyclictest23:11:375
241192610,0sleep30-21swapper/321:26:363
234672610,0sleep30-21swapper/321:13:133
136842590,1sleep013660-21sshd22:39:020
3078625848,6sleep00-21swapper/019:07:330
3083925645,7sleep70-21swapper/719:08:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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