Re: [PATCH v2 3/5] perf tools: Update srcline/file if needed

From: Jiri Olsa
Date: Mon Feb 22 2016 - 01:49:44 EST


On Mon, Feb 22, 2016 at 09:31:51AM +0900, Namhyung Kim wrote:
> Normally the hist entry's srcline and/or srcfile is set during sorting.
> However sometime it's possible to a hist entry's srcline is not set yet
> after the sorting. This is because the entry is so unique and other
> sort keys already make it distinct. Then the srcline/file sort didn't
> have a chance to be called during the sorting. In that case it has NULL
> srcline/srcfile field and shows nothing.
>
> Before:
>
> $ perf report -s comm,sym,srcline
> ...
> Overhead Command Symbol
> -----------------------------------------------------------------
> 34.42% swapper [k] intel_idle intel_idle.c:0
> 2.44% perf [.] __poll_nocancel (null)
> 1.70% gnome-shell [k] fw_domains_get (null)
> 1.04% Xorg [k] sock_poll (null)
>
> After:
>
> 34.42% swapper [k] intel_idle intel_idle.c:0
> 2.44% perf [.] __poll_nocancel .:0
> 1.70% gnome-shell [k] fw_domains_get fw_domains_get+42
> 1.04% Xorg [k] sock_poll socket.c:0
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>

Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx>

thanks,
jirka