Re: [PATCH v6 3/3] KVM: perf kvm events analysis tool

[David Ahern]

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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