[PATCH v11 1/8] function_graph: Support recording and printing the return value of function

[Donglin Peng]

On 2023/4/14 15:44, Donglin Peng wrote:
> On 2023/4/8 20:42, Donglin Peng wrote:
>> Analyzing system call failures with the function_graph tracer can be a
>> time-consuming process, particularly when locating the kernel function
>> that first returns an error in the trace logs. This change aims to
>> simplify the process by recording the function return value to the
>> 'retval' member of 'ftrace_graph_ent' and printing it when outputting
> 
> There is a mistake, the retval member is added to ftrace_graph_ret.

Hi Steve, could you please correct this mistake before merging it into
linux-next?

> 
>> the trace log.
>>