On Wed, 9 Oct 2024 11:03:40 +0800 Donglin Peng <[email protected]> wrote:
> From: Donglin Peng <[email protected]> > > When using function_graph tracer to analyze the flow of kernel function > execution, it is often necessary to quickly locate the exact line of code > where the call occurs. While this may be easy at times, it can be more > time-consuming when some functions are inlined or the flow is too long. > > This feature aims to simplify the process by recording the return address > of traced funcions and printing it when outputing trace logs. > > To enhance human readability, the prefix 'ret=' is used for the kernel return > value, while '<-' serves as the prefix for the return address in trace logs to > make it look more like the function tracer. > > A new trace option named 'funcgraph-retaddr' has been introduced, and the > existing option 'sym-addr' can be used to control the format of the return > address. > Is there a reason for the resend? I already have it in my for-next branch. -- Steve
