On Mon, Feb 10, 2014 at 12:29:12PM -0500, Don Zickus wrote:
> Just another table that displays the referenced symbols in the analysis
> report.  The table lists the most frequently used symbols first.
> 
> It is just another way to look at similar data to figure out who
> is causing the most contention (based on the workload used).
> 
> Originally done by Dick Fowles and ported by me.
> 
> Suggested-by: Joe Mario <[email protected]>
> Original-by: Dick Fowles <[email protected]>
> Signed-off-by: Don Zickus <[email protected]>
> ---
>  tools/perf/builtin-c2c.c | 99 
> ++++++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 99 insertions(+)
> 
> diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
> index 32c2319..979187f 100644
> --- a/tools/perf/builtin-c2c.c
> +++ b/tools/perf/builtin-c2c.c
> @@ -950,6 +950,104 @@ static void c2c_hit__update_stats(struct c2c_stats *new,
>       new->total_period       += old->total_period;
>  }
>  
> +LIST_HEAD(ref_tree);
> +LIST_HEAD(ref_tree_sorted);
> +struct refs {
> +     struct list_head        list;
> +     int                     nr;
> +     const char              *name;
> +     char                    *long_name;
> +};
> +
> +static int update_ref_tree(struct c2c_entry *entry)
> +{
> +     struct refs *p;
> +     struct dso *dso = entry->mi->iaddr.map->dso;
> +     const char *name = dso->short_name;
> +
> +     list_for_each_entry(p, &ref_tree, list) {
> +             if (!strcmp(p->name, name))
> +                     goto found;
> +     }
> +
> +     p = zalloc(sizeof(struct refs));
> +     if (!p)
> +             return -1;
> +     p->name = name;
> +     p->long_name = dso->long_name;
> +     list_add_tail(&p->list, &ref_tree);

so this is a tree, which is actually a list ;-)

jirka
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