On Wed, Oct 9, 2024 at 9:37 PM Steven Rostedt <[email protected]> wrote: > > 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.
I'm sorry and I did not notice it. > > -- Steve
