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SubjectRe: [TRIVIAL PATCH 1/2] doc: trace/kprobes: add information about NOKPROBE_SYMBOL
On Wed,  8 Mar 2017 22:34:14 +0530
"Naveen N. Rao" <naveen.n.rao@linux.vnet.ibm.com> wrote:

> Update kprobe tracer documentation to also mention that
> NOKPROBE_SYMBOL() and nokprobe_inline add symbols to the kprobes
> blacklist.

Thanks for update!

Acked-by: Masami Hiramatsu <mhiramat@kernel.org>

>
> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>
> ---
> Documentation/trace/kprobetrace.txt | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/trace/kprobetrace.txt b/Documentation/trace/kprobetrace.txt
> index 41ef9d8efe95..5ea85059db3b 100644
> --- a/Documentation/trace/kprobetrace.txt
> +++ b/Documentation/trace/kprobetrace.txt
> @@ -8,8 +8,9 @@ Overview
> --------
> These events are similar to tracepoint based events. Instead of Tracepoint,
> this is based on kprobes (kprobe and kretprobe). So it can probe wherever
> -kprobes can probe (this means, all functions body except for __kprobes
> -functions). Unlike the Tracepoint based event, this can be added and removed
> +kprobes can probe (this means, all functions except those with
> +__kprobes/nokprobe_inline annotation and those marked NOKPROBE_SYMBOL).
> +Unlike the Tracepoint based event, this can be added and removed
> dynamically, on the fly.
>
> To enable this feature, build your kernel with CONFIG_KPROBE_EVENTS=y.
> --
> 2.11.1
>


--
Masami Hiramatsu <mhiramat@kernel.org>

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