Binder IPC

• client: calling process
• server: called process
• endpoint: binder proxy for client or binder node for server

Scatter Gather Optimization

• Since Android 8
• AKA Vectored I/O - Wikipedia
• readv(), writev()
• scatter read：一次读，分散放进多个内存块
• gather write：一次写，把多个内存块拼起来发出去
• io_uring

Links

• IPC
• RPC