Re: [PATCH 2/2] perf sched timehist: Fix use of CPU list with summary option

From: David Ahern
Date: Tue Aug 11 2020 - 23:12:27 EST


On 8/11/20 12:42 AM, Namhyung Kim wrote:
>> @@ -2575,7 +2575,8 @@ static int timehist_sched_change_event(struct perf_tool *tool,
>> }
>>
>> if (!sched->idle_hist || thread->tid == 0) {
>> - timehist_update_runtime_stats(tr, t, tprev);
>> + if (!cpu_list || test_bit(sample->cpu, cpu_bitmap))
>> + timehist_update_runtime_stats(tr, t, tprev);
>>
>> if (sched->idle_hist) {
>> struct idle_thread_runtime *itr = (void *)tr;
>> @@ -2848,6 +2849,9 @@ static void timehist_print_summary(struct perf_sched *sched,
>>
>> printf("\nIdle stats:\n");
>> for (i = 0; i < idle_max_cpu; ++i) {
>> + if (!test_bit(i, cpu_bitmap))
>
> Shouldn't it check cpu_list as well?
>

oh, right. will fix.