sgf201

Multi process optimization when using cyclone dds

1

I found that when using a, two or three threads will be created in the background. they are "tev" "recvMc" "recvUc".When I have multiple processes using a on the node,...

how could new reader get the msg which is sent before it

2

I think that after the new reader is created, it can receive the topic messages that have been sent before, because they are stored in the writer's history, but they...

async_write and iceoryx

5

first,describe my environment, host A IP “192.168.100.2” host B IP ”192.168.100.3“ I use cyclonedds+iceoryx , the process in A can get msg from B recently,I find async_write . I enabled...

how to init dds in the process which is a child process forked out

8

I am trying to use cyclonedds to replace another comm component ,the target APP 's fixed flow is： main（） { init dds do something; dds read or write; if(xxx) {...

I find a phenomenon that the more hosts in the LAN segment, the higher the CPU load of the dds process. When there are 26 hosts, the CPU utilization rate...

is there any result in cpu usage comparition with fastdds

1

I changed commonication to cyclone dds,but every process will occupy 8%-15% of the CPU resources all the time. my partners doubt whether such high CPU occupation is normal. I feel...

how can I use proto define file to define cyclonedds msg struct

1

For historical reasons, many message structure definitions in the project use the definition format of protobuf. Is it possible to continue to use or maximize the reuse of these proto...

h265 file open failed

1

[yyyyy.txt](https://github.com/lheric/GitlHEVCAnalyzer/files/12449956/yyyyy.txt) it is a h265 file but opened failed

Operating system: Ubuntu 20.04 LTS Compiler version: GCC 9.4.0 Eclipse iceoryx version: 2.0.3 rmw_cyclonedds version: 1.3.4 cyclonedds version: 0.10.3 Observed result or behaviour: loaned api deserialize crash turn off loaned...

I have a pcba which vbus is not connected to FUSB302,how to handle attach?