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SubjectRe: [PATCH 3/8] perf symbol: Save vmlinux or kallsyms path loaded
On 11/22/13, 11:44 AM, Arnaldo Carvalho de Melo wrote:
> Em Mon, Nov 18, 2013 at 01:32:46PM -0700, David Ahern escreveu:
>> Save vmlinux or kallsyms path loaded using embedded default lookup (ie.,
>> not a user specified path). Upcoming perf sched timehist command requires
>> kernel symbols for properly computing idle times and prints a warning
>> if the kernel symbols are not loaded.
>
> What would happen if strdup failed here?

perf continues on happily. On the timehist command will question
computation of idle times which require kernel symbols.

>
> Why don't we undo anything done so far in this function and return an
> error?
>

In the notion of best effort of continuing. It's not a show stopper that
strdup failed; it's just not the filename it used for symbols.

David


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