diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/cpuacct.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/kernel/sched/cpuacct.c b/kernel/sched/cpuacct.c index 677cd1ab33b7..bc0b309c3f19 100644 --- a/kernel/sched/cpuacct.c +++ b/kernel/sched/cpuacct.c @@ -240,6 +240,42 @@ static int cpuacct_percpu_seq_show(struct seq_file *m, void *V) return __cpuacct_percpu_seq_show(m, CPUACCT_STAT_NSTATS); } +static int cpuacct_all_seq_show(struct seq_file *m, void *V) +{ + struct cpuacct *ca = css_ca(seq_css(m)); + int index; + int cpu; + + seq_puts(m, "cpu"); + for (index = 0; index < CPUACCT_STAT_NSTATS; index++) + seq_printf(m, " %s", cpuacct_stat_desc[index]); + seq_puts(m, "\n"); + + for_each_possible_cpu(cpu) { + struct cpuacct_usage *cpuusage = per_cpu_ptr(ca->cpuusage, cpu); + + seq_printf(m, "%d", cpu); + + for (index = 0; index < CPUACCT_STAT_NSTATS; index++) { +#ifndef CONFIG_64BIT + /* + * Take rq->lock to make 64-bit read safe on 32-bit + * platforms. + */ + raw_spin_lock_irq(&cpu_rq(cpu)->lock); +#endif + + seq_printf(m, " %llu", cpuusage->usages[index]); + +#ifndef CONFIG_64BIT + raw_spin_unlock_irq(&cpu_rq(cpu)->lock); +#endif + } + seq_puts(m, "\n"); + } + return 0; +} + static int cpuacct_stats_show(struct seq_file *sf, void *v) { struct cpuacct *ca = css_ca(seq_css(sf)); @@ -294,6 +330,10 @@ static struct cftype files[] = { .seq_show = cpuacct_percpu_sys_seq_show, }, { + .name = "usage_all", + .seq_show = cpuacct_all_seq_show, + }, + { .name = "stat", .seq_show = cpuacct_stats_show, }, |