linux-kernel - [PATCH v16 04/16] perf, tools: Support CPU ID matching for Powerpc

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Message-Id: <1440569166-22169-5-git-send-email-sukadev@linux.vnet.ibm.com>
Date:	Tue, 25 Aug 2015 23:05:54 -0700
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	mingo@...hat.com, ak@...ux.intel.com,
	Michael Ellerman <mpe@...erman.id.au>,
	Jiri Olsa <jolsa@...hat.com>,
	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	namhyung@...nel.org, maddy@...ux.vnet.ibm.com,
	linuxppc-dev@...ts.ozlabs.org, <linux-kernel@...r.kernel.org>
Subject: [PATCH v16 04/16] perf, tools: 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 <sukadev@...ux.vnet.ibm.com>
Acked-by: Jiri Olsa <jolsa@...hat.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;
+}
-- 
1.7.9.5

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