Re: [PATCH] perf sched timehist: Improve error message when analyzing wrong file

[David Ahern]

On 11/29/16 1:14 PM, Arnaldo Carvalho de Melo wrote:
> It uses things like:
> 
>         if (kmem_page) {
>                 struct perf_evsel *evsel;
> 
>                 evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
>                                                              "kmem:mm_page_alloc");
>                 if (evsel == NULL) {
>                         pr_err(errmsg, "page", "page");
>                         goto out_delete;
>                 }
> 

I thought something like existed but did not find it looking at kvm and sched commands. Will re-spin to be consistent with kmem.