Re: [PATCH v7 3/3] KVM: perf: kvm events analysis tool

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On 8/27/12 9:53 AM, Andrew Jones wrote:
On Mon, Aug 27, 2012 at 05:51:46PM +0800, Dong Hao wrote:

<snip>

+struct event_stats {
+	u64 count;
+	u64 time;
+
+	/* used to calculate stddev. */
+	double mean;
+	double M2;
+};

How about moving the stats functions from builtin-stat.c to e.g.
util/stats.c, and then reusing them? Then this struct (which I would
rename to kvm_event_stats) would look like this

struct kvm_event_stats {
         u64 time;
         struct stats stats;
};

of course the get_event_ accessor generators would need tweaking

Given the history of the command (first submitted back in February) code refactoring can wait until there is a second user for the stats code.

David
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