Re: [PATCH v1 4/9] perf util: Update and print per-thread shadow stats

From: Jiri Olsa
Date: Tue Nov 21 2017 - 10:17:56 EST


On Mon, Nov 20, 2017 at 10:43:39PM +0800, Jin Yao wrote:

SNIP

> diff --git a/tools/perf/util/stat-shadow.c b/tools/perf/util/stat-shadow.c
> index 045e129..6f28782 100644
> --- a/tools/perf/util/stat-shadow.c
> +++ b/tools/perf/util/stat-shadow.c
> @@ -110,19 +110,32 @@ static void saved_value_delete(struct rblist *rblist __maybe_unused,
>
> static struct saved_value *saved_value_lookup(struct perf_evsel *evsel,
> int cpu,
> - bool create)
> + bool create,
> + enum stat_type type,
> + int ctx,
> + struct runtime_stat *stat)
> {
> + struct rblist *rblist;
> struct rb_node *nd;
> struct saved_value dm = {
> .cpu = cpu,
> .evsel = evsel,
> + .type = type,
> + .ctx = ctx,
> + .stat = stat,
> };
> - nd = rblist__find(&runtime_saved_values, &dm);
> +
> + if (stat)
> + rblist = &stat->value_list;
> + else
> + rblist = &rt_stat.value_list;

please pass the correct 'struct runtime_stat *stat',

I don't see a reason noot to pass &rt_stat directly below:


> diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c
> index 151e9ef..50bb16d 100644
> --- a/tools/perf/util/stat.c
> +++ b/tools/perf/util/stat.c
> @@ -278,9 +278,16 @@ process_counter_values(struct perf_stat_config *config, struct perf_evsel *evsel
> perf_evsel__compute_deltas(evsel, cpu, thread, count);
> perf_counts_values__scale(count, config->scale, NULL);
> if (config->aggr_mode == AGGR_NONE)
> - perf_stat__update_shadow_stats(evsel, count->val, cpu);
> - if (config->aggr_mode == AGGR_THREAD)
> - perf_stat__update_shadow_stats(evsel, count->val, 0);
> + perf_stat__update_shadow_stats(evsel, count->val, cpu,
> + NULL);
> + if (config->aggr_mode == AGGR_THREAD) {
> + if (config->stats)
> + perf_stat__update_shadow_stats(evsel,
> + count->val, 0, &config->stats[thread]);
> + else
> + perf_stat__update_shadow_stats(evsel,
> + count->val, 0, NULL);

here

> + }
> break;
> case AGGR_GLOBAL:
> aggr->val += count->val;
> @@ -362,7 +369,7 @@ int perf_stat_process_counter(struct perf_stat_config *config,
> /*
> * Save the full runtime - to allow normalization during printout:
> */
> - perf_stat__update_shadow_stats(counter, *count, 0);
> + perf_stat__update_shadow_stats(counter, *count, 0, NULL);

and here

thanks,
jirka