On Wed, Dec 24, 2014 at 04:15:01PM +0900, Namhyung Kim wrote:
SNIP
>
> union perf_event *perf_evlist__mmap_read(struct perf_evlist *evlist, int
> idx);
> -
> void perf_evlist__mmap_consume(struct perf_evlist *evlist, int idx);
> +struct perf_mmap *perf_evlist__mmap_desc(struct perf_evlist *evlist, int
> idx);
>
> int perf_evlist__open(struct perf_evlist *evlist);
> void perf_evlist__close(struct perf_evlist *evlist);
> @@ -211,6 +214,12 @@ bool perf_evlist__can_select_event(struct perf_evlist
> *evlist, const char *str);
> void perf_evlist__to_front(struct perf_evlist *evlist,
> struct perf_evsel *move_evsel);
>
> +/* convert from/to negative idx for track mmaps */
> +static inline int track_mmap_idx(int idx)
> +{
> + return -idx - 1;
> +}
hum, whats the logic with negative numbers in here?
you still access track_mmap array with this index no?
thanks,
jirka
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