Re: [PATCH 00/18] [ANNOUNCE] Dynamically created function based events

[Steven Rostedt]

On Sun, 4 Feb 2018 11:25:20 +0900
Namhyung Kim <namhyung@xxxxxxxxxx> wrote:

> I'm interested in this.  From my understanding, it's basically
> function tracing + filter + custom argument info, right?
> 
> Supporting arguments with complex type could be error-prone.
> We need to prevent malfunctions by invalid inputs.

All reads are done with probe_kernel_read(). If it faults (at any
stage), it simply returns "0".

-- Steve