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2025-07-07 - 02:15
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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 Jul 07, 2025 00:45:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
399121260,0sleep30-21swapper/323:52:493
76922850,4sleep41946599cyclictest21:35:374
62692820,0sleep50-21swapper/523:35:525
206982820,1sleep71036-21runrttasks21:43:417
206982820,1sleep71036-21runrttasks21:43:417
136232820,1sleep20-21swapper/221:26:212
57182810,0sleep10-21swapper/123:59:511
157242800,0sleep20-21swapper/220:05:282
286102790,0sleep50-21swapper/522:30:435
267992770,0sleep40-21swapper/421:24:314
168572770,1sleep2321ktimersoftd/223:50:402
299062760,0sleep30-21swapper/323:31:333
299062760,0sleep30-21swapper/323:31:333
163162750,0sleep50-21swapper/523:13:085
36892740,0sleep60-21swapper/622:38:136
178572730,0sleep6671rcuc/623:44:036
70982720,1sleep31036-21runrttasks21:58:513
255522720,0sleep70-21swapper/700:01:517
194492720,0sleep60-21swapper/600:15:126
6832710,1sleep5686-21id22:51:035
63952710,0sleep70-21swapper/722:48:257
4432710,0sleep30-21swapper/322:01:243
141542710,0sleep30-21swapper/323:19:473
112472710,0sleep2311rcuc/221:12:582
65552700,0sleep40-21swapper/423:46:094
155862700,0sleep115585-21sshd21:20:031
80822690,0sleep60-21swapper/600:13:596
107482690,0sleep20-21swapper/221:59:142
153452670,0sleep50-21swapper/523:54:035
150252670,0sleep60-21swapper/623:33:296
150252670,0sleep60-21swapper/623:33:296
145682640,3sleep61947899cyclictest21:23:136
33532600,1sleep23332-21sshd22:15:012
1900625949,6sleep60-21swapper/619:07:096
1902925443,7sleep00-21swapper/019:07:260
1900725444,6sleep70-21swapper/719:07:097
1901325242,6sleep40-21swapper/419:07:144
1904024939,6sleep10-21swapper/119:07:361
75552460,3sleep01944299cyclictest00:38:230
1915324432,7sleep20-21swapper/219:09:062
1917224333,6sleep30-21swapper/319:09:143
1904424231,7sleep50-21swapper/519:07:405
81622270,0sleep40-21swapper/423:19:084
273712270,1sleep40-21swapper/422:57:124
300882250,0sleep60-21swapper/600:37:166
282562240,3sleep31946199cyclictest22:53:583
293522230,1sleep029349-21sshd22:20:530
229552230,0sleep00-21swapper/022:30:140
1944899230,1cyclictest0-21swapper/121:17:361
70282210,4sleep01944299cyclictest21:35:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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