Re: [PATCH 3/3 v2] perf tool: give user better message if preciseis not supported

From: David Ahern
Date: Fri Sep 14 2012 - 07:14:11 EST

On 9/13/12 11:43 PM, Ingo Molnar wrote:
v2: softened message to 'may not be' supported per Robert's suggestion

Well, either it's supported on this machine or it's not - why
does the text have to be so unsure about it?

Because EOPNOTSUPP is returned for more than just precise mode. We cannot say with certainty that the precise attribute caused that errno.


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