On Mon, May 12, 2014 at 04:20:28PM -0700, Andi Kleen wrote:
> From: Andi Kleen <a...@linux.intel.com>
> 
> Requested by Jiri.
> 

need more description, I can't send out patch with changelog like this

thanks,
jirka


> Signed-off-by: Andi Kleen <a...@linux.intel.com>
> ---
>  tools/perf/util/srcline.c | 18 +++++++++++++++---
>  1 file changed, 15 insertions(+), 3 deletions(-)
> 
> diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
> index 36a7aff..a22be7c 100644
> --- a/tools/perf/util/srcline.c
> +++ b/tools/perf/util/srcline.c
> @@ -258,6 +258,12 @@ char *get_srcline(struct dso *dso, unsigned long addr, 
> struct symbol *sym,
>       unsigned line = 0;
>       char *srcline;
>       const char *dso_name;
> +     char astr[50];
> +
> +     if (verbose)
> +             snprintf(astr, sizeof astr, " %#lx", addr);
> +     else
> +             astr[0] = 0;
>  
>       if (!dso->has_srcline)
>               goto out;
> @@ -276,7 +282,12 @@ char *get_srcline(struct dso *dso, unsigned long addr, 
> struct symbol *sym,
>       if (!addr2line(dso_name, addr, &file, &line, dso))
>               goto out;
>  
> -     if (asprintf(&srcline, "%s:%u", basename(file), line) < 0) {
> +     if (line == 0) {
> +             free(file);
> +             goto fallback;
> +     }
> +
> +     if (asprintf(&srcline, "%s:%u%s", basename(file), line, astr) < 0) {
>               free(file);
>               goto out;
>       }
> @@ -291,9 +302,10 @@ out:
>               dso->has_srcline = 0;
>               dso__free_a2l(dso);
>       }
> +fallback:
>       if (sym) {
> -             if (asprintf(&srcline, "%s+%ld", show_sym ? sym->name : "",
> -                                     addr - sym->start) < 0)
> +             if (asprintf(&srcline, "%s+%ld%s", show_sym ? sym->name : "",
> +                                     addr - sym->start, astr) < 0)
>                       return SRCLINE_UNKNOWN;
>       } else if (asprintf(&srcline, "%s[%lx]", dso->short_name, addr) < 0)
>               return SRCLINE_UNKNOWN;
> -- 
> 1.9.0
> 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to