Em Tue, Dec 05, 2017 at 09:25:56AM +0530, Ravi Bangoria escreveu: > > On 12/04/2017 08:27 PM, William Cohen wrote: > > The powerpc cpuid information includes chip revision information. > > Changes between chip revisions are usually minor bug fixes and usually > > do not affect the operation of the performance monitoring hardware. > > The original mapfile.csv matching requires enumerating every possible > > cpuid string. When a new minor chip revision is produced a new entry > > has to be added to the mapfile.csv and the code recompiled to allow > > perf to have the implementation specific perf events for this new > > minor revision. For users of various distibutions of Linux having to > > wait for a new release of the kernel's perf tool to be built with > > these trivial patches is inconvenient. > > > > Tested-by: Ravi Bangoria <ravi.bango...@linux.vnet.ibm.com>
Thanks, added to the commit. - Arnaldo
