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 <suka...@linux.vnet.ibm.com>
Acked-by: Jiri Olsa <jo...@redhat.com>
---
Changelog[v14]
- [Jiri Olsa] Move this independent code off into a separate patch.
---
tools/perf/arch/powerpc/util/header.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/tools/perf/arch/powerpc/util/header.c
b/tools/perf/arch/powerpc/util/header.c
index 6c1b8a7..65f9391 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -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;
+}
--
1.8.3.1
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