Re: [PATCH v3 3/3] perf probe: Show better error message when failed to find variable

From: Ingo Molnar
Date: Mon May 11 2015 - 05:31:31 EST

* He Kuang <hekuang@xxxxxxxxxx> wrote:

> Indicate to check variable location range in error message when we got
> failed to find the variable.
> Before this patch:
> $ perf probe --add 'generic_perform_write+118 bytes'
> Failed to find the location of bytes at this address.
> Perhaps, it has been optimized out.
> Error: Failed to add events.

Btw., you talk about 'variables', but generic_perform_write() is a
function name?


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