perf powerpc: Support CPU ID matching for Powerpc

Implement code that returns the generic CPU ID string for Powerpc.  This
will be used to identify the specific table of PMU events to
parse/compare user specified events against.

Signed-off-by: Sukadev Bhattiprolu <[email protected]>
Acked-by: Ingo Molnar <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Cc: Madhavan Srinivasan <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
This commit is contained in:
Sukadev Bhattiprolu 2016-09-15 15:24:41 -07:00 • committed by Arnaldo Carvalho de Melo
commit ce88f27ccc

View file

@ -32,3 +32,14 @@ get_cpuid(char *buffer, size_t sz)
}
return -1;
}
char *
get_cpuid_str(void)
{
char *bufp;
if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
bufp = NULL;
return bufp;
}