Re: [PATCH 01/13] perf, tools, stat: Factor out callback for collecting event values

From: Jiri Olsa
Date: Tue Mar 14 2017 - 11:00:40 EST


On Fri, Mar 10, 2017 at 01:24:34PM -0800, Andi Kleen wrote:

SNIP

> +
> +struct aggr_data {
> + u64 ena, run, val;
> + int id;
> + int nr;
> + int cpu;
> +};
> +
> +static void aggr_cb(struct perf_evsel *counter, void *data, bool first)
> +{
> + struct aggr_data *ad = data;
> + int cpu, s2;
> +
> + for (cpu = 0; cpu < perf_evsel__nr_cpus(counter); cpu++) {
> + struct perf_counts_values *counts;
> +
> + s2 = aggr_get_id(evsel_list->cpus, cpu);

why do use evsel_list instead of perf_evsel__cpus(counter),
which is in the original/removed code?

this patch is about adding collect_data.. if you want to
choose this part, please make it clear in separate patch

thanks,
jirka