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

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Date:	Tue, 14 Aug 2012 10:12:57 +0800
From:	Xiao Guangrong <xiaoguangrong@...ux.vnet.ibm.com>
To:	David Ahern <dsahern@...il.com>
CC:	Dong Hao <haodong@...ux.vnet.ibm.com>, avi@...hat.com,
	acme@...radead.org, mtosatti@...hat.com, mingo@...e.hu,
	linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v6 3/3] KVM: perf kvm events analysis tool

On 08/11/2012 04:37 AM, David Ahern wrote:
> Thanks for resubmitting this; it was on my to-do list as well.

Thanks for you liking it and your precious comments, David! :)

> 
> 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().

Fine to us, will do it in the next version.

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