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SubjectRe: [PATCH v2 1/6] perf: Refactor svg_build_topology_map
On Wed, Aug 14, 2019 at 03:38:24PM -0500, Kyle Meyer wrote:

SNIP

> diff --git a/tools/perf/util/svghelper.c b/tools/perf/util/svghelper.c
> index ae6a534a7a80..1beeb7291361 100644
> --- a/tools/perf/util/svghelper.c
> +++ b/tools/perf/util/svghelper.c
> @@ -751,38 +751,37 @@ static int str_to_bitmap(char *s, cpumask_t *b)
> return ret;
> }
>
> -int svg_build_topology_map(char *sib_core, int sib_core_nr,
> - char *sib_thr, int sib_thr_nr)
> +int svg_build_topology_map(struct perf_env *env)
> {
> int i;
> struct topology t;
>
> - t.sib_core_nr = sib_core_nr;
> - t.sib_thr_nr = sib_thr_nr;
> - t.sib_core = calloc(sib_core_nr, sizeof(cpumask_t));
> - t.sib_thr = calloc(sib_thr_nr, sizeof(cpumask_t));
> + t.sib_core_nr = env->nr_sibling_cores;
> + t.sib_thr_nr = env->nr_sibling_threads;
> + t.sib_core = calloc(env->nr_sibling_cores, sizeof(cpumask_t));
> + t.sib_thr = calloc(env->nr_sibling_threads, sizeof(cpumask_t));
>
> if (!t.sib_core || !t.sib_thr) {
> fprintf(stderr, "topology: no memory\n");
> goto exit;
> }
>
> - for (i = 0; i < sib_core_nr; i++) {
> - if (str_to_bitmap(sib_core, &t.sib_core[i])) {
> + for (i = 0; i < env->nr_sibling_cores; i++) {
> + if (str_to_bitmap(env->sibling_cores, &t.sib_core[i])) {
> fprintf(stderr, "topology: can't parse siblings map\n");
> goto exit;
> }
>
> - sib_core += strlen(sib_core) + 1;
> + env->sibling_cores += strlen(env->sibling_cores) + 1;

so this will actualy change env->sibling_cores in the header,
I guess thats not a problem for timechart, but might cause some
confusion in future.. could you just use local pointer for that?

other than that the patchset looks good

thanks,
jirka

> }
>
> - for (i = 0; i < sib_thr_nr; i++) {
> - if (str_to_bitmap(sib_thr, &t.sib_thr[i])) {
> + for (i = 0; i < env->nr_sibling_threads; i++) {
> + if (str_to_bitmap(env->sibling_threads, &t.sib_thr[i])) {
> fprintf(stderr, "topology: can't parse siblings map\n");
> goto exit;
> }
>
> - sib_thr += strlen(sib_thr) + 1;
> + env->sibling_threads += strlen(env->sibling_threads) + 1;
> }
>

SNIP

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