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perf powerpc: Support CPU ID matching for Powerpc

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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 <sukadev@linux.vnet.ibm.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: linuxppc-dev@lists.ozlabs.org
Link: http://lkml.kernel.org/r/1473978296-20712-5-git-send-email-sukadev@linux.vnet.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Sukadev Bhattiprolu 2016-09-15 15:24:41 -07:00 committed by Arnaldo Carvalho de Melo
parent 933f82ff72
commit ce88f27ccc
1 changed files with 11 additions and 0 deletions
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11
tools/perf/arch/powerpc/util/header.c
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@ -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;
}