| Date | Thu, 08 Aug 2013 22:51:22 -0400 | From | David Ahern <> | Subject | Re: [PATCH 08/19] perf symbol: Save vmlinux or kallsyms path loaded |
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On 8/8/13 11:08 AM, Arnaldo Carvalho de Melo wrote: > Em Wed, Aug 07, 2013 at 10:50:50PM -0400, 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. > > With this we will not know if the user passed something to set those > variables or if internally we did it, doesn't this break any existing > code assumption?
I believe this only affects code paths that go to default locations.
I am not aware of any code that looks at the path once the syms are loaded. AFAIK the timehist command is the first.
David
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