Re: [PATCH v2 0/2] perf probe fixes for ppc64le

From: Balbir Singh
Date: Wed Apr 13 2016 - 21:17:16 EST




On 12/04/16 19:10, Naveen N. Rao wrote:
> This patchset fixes three issues found with perf probe on ppc64le:
> 1. 'perf test kallsyms' failure on ppc64le (reported by Michael
> Ellerman). This was due to the symbols being fixed up during symbol
> table load. This is fixed in patch 2 by delaying symbol fixup until
> later.
> 2. perf probe function offset was being calculated from the local entry
> point (LEP), which does not match user expectation when trying to look
> at function disassembly output (reported by Ananth N). This is fixed for
> kallsyms in patch 1 and for symbol table in patch 2.
> 3. perf probe failure with kretprobe when using kallsyms. This was
> failing as we were specifying an offset. This is fixed in patch 1.
>
> A few examples demonstrating the issues and the fix:
>

Given the choices, I think this makes sense

Acked-by: Balbir Singh <bsingharora@xxxxxxxxx>