Re: [PATCH v3 4/4] perf report: Add callchain value option

From: Jiri Olsa
Date: Tue Nov 03 2015 - 04:06:50 EST


On Tue, Nov 03, 2015 at 04:18:31PM +0900, Namhyung Kim wrote:

SNIP

> @@ -819,12 +837,26 @@ char *callchain_node__sprintf_value(struct callchain_node *node,
> char *bf, size_t bfsize, u64 total)
> {
> double percent = 0.0;
> - u64 cumul = callchain_cumul_hits(node);
> + u64 period = callchain_cumul_hits(node);
> + int count = callchain_cumul_counts(node);
>
> if (total)
> - percent = cumul * 100.0 / total;
> + percent = period * 100.0 / total;
> + if (callchain_param.mode == CHAIN_FOLDED)
> + count = node->count;

this could be set/computed below in respective cases

>
> - scnprintf(bf, bfsize, "%6.2f%%", percent);
> + switch (callchain_param.value) {
> + case CCVAL_PERIOD:
> + scnprintf(bf, bfsize, "%"PRIu64, period);
> + break;
> + case CCVAL_COUNT:
> + scnprintf(bf, bfsize, "%u", count);
> + break;
> + case CCVAL_PERCENT:
> + default:
> + scnprintf(bf, bfsize, "%.2f%%", percent);
> + break;
> + }
> return bf;
> }
>
> @@ -832,12 +864,24 @@ int callchain_node__fprintf_value(struct callchain_node *node,
> FILE *fp, u64 total)
> {
> double percent = 0.0;
> - u64 cumul = callchain_cumul_hits(node);
> + u64 period = callchain_cumul_hits(node);
> + int count = callchain_cumul_counts(node);
>
> if (total)
> - percent = cumul * 100.0 / total;
> -
> - return percent_color_fprintf(fp, "%.2f%%", percent);
> + percent = period * 100.0 / total;
> + if (callchain_param.mode == CHAIN_FOLDED)
> + count = node->count;
> +

ditto

jirka

> + switch (callchain_param.value) {
> + case CCVAL_PERIOD:
> + return fprintf(fp, "%"PRIu64, period);
> + case CCVAL_COUNT:
> + return fprintf(fp, "%u", count);
> + case CCVAL_PERCENT:
> + default:
> + return percent_color_fprintf(fp, "%.2f%%", percent);
> + }
> + return 0;
> }
>

SNIP
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