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SubjectRe: [PATCH v6 3/3] KVM: perf kvm events analysis tool
Thanks for resubmitting this; it was on my to-do list as well.

On 8/9/12 9:19 PM, Dong Hao wrote:
> +static bool kvm_events_exist(const char *event)
> +{
> + char evt_path[MAXPATHLEN];
> + int fd;
> +
> + snprintf(evt_path, MAXPATHLEN, "%s/kvm/%s/id", tracing_events_path,
> + event);
> +
> + fd = open(evt_path, O_RDONLY);

Use is_valid_tracepoint().

For consistency, it's worth adding a check for the other events too with
an appropriate config message. e.g.,:
https://lkml.org/lkml/2012/8/9/359

David


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