[Devel] Re: [PATCH v3 3/6] expose fine-grained per-cpu data for cpuacct stats

[Peter Zijlstra]

On Wed, 2012-05-30 at 13:48 +0400, Glauber Costa wrote:

> +static int cpuacct_stats_percpu_show(struct cgroup *cgrp, struct cftype *cft,
> +				     struct cgroup_map_cb *cb)
> +{
> +	struct cpuacct *ca = cgroup_ca(cgrp);
> +	int cpu;
> +
> +	for_each_online_cpu(cpu) {
> +		do_fill_cb(cb, ca, "user", cpu, CPUTIME_USER);
> +		do_fill_cb(cb, ca, "nice", cpu, CPUTIME_NICE);
> +		do_fill_cb(cb, ca, "system", cpu, CPUTIME_SYSTEM);
> +		do_fill_cb(cb, ca, "irq", cpu, CPUTIME_IRQ);
> +		do_fill_cb(cb, ca, "softirq", cpu, CPUTIME_SOFTIRQ);
> +		do_fill_cb(cb, ca, "guest", cpu, CPUTIME_GUEST);
> +		do_fill_cb(cb, ca, "guest_nice", cpu, CPUTIME_GUEST_NICE);
> +	}
> +
> +	return 0;
> +}

Uhm, hotplug anyone?