Commit-ID: f8d9ccde2be4c24bfb8787af36a59a981b00a02d
Gitweb: http://git.kernel.org/tip/f8d9ccde2be4c24bfb8787af36a59a981b00a02d
Author: Alexander Yarygin <yarygin@xxxxxxxxxxxxxxxxxx>
AuthorDate: Thu, 3 Jul 2014 18:08:22 +0400
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Mon, 7 Jul 2014 16:55:24 -0300
perf tools: Allow to use cpuinfo on s390
This patch defines CPUINFO_PROC for s390 and implements get_cpuid().
Reviewed-by: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Reviewed-by: David Ahern <dsahern@xxxxxxxxx>
Signed-off-by: Alexander Yarygin <yarygin@xxxxxxxxxxxxxxxxxx>
Acked-by: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Christian Borntraeger <borntraeger@xxxxxxxxxx>
Cc: Cornelia Huck <cornelia.huck@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/87ioneo7qh.wl%yarygin@xxxxxxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/arch/s390/Makefile | 1 +
tools/perf/arch/s390/util/header.c | 28 ++++++++++++++++++++++++++++
tools/perf/perf-sys.h | 1 +
3 files changed, 30 insertions(+)
diff --git a/tools/perf/arch/s390/Makefile b/tools/perf/arch/s390/Makefile
index 15130b5..744e629 100644
--- a/tools/perf/arch/s390/Makefile
+++ b/tools/perf/arch/s390/Makefile
@@ -2,3 +2,4 @@ ifndef NO_DWARF
PERF_HAVE_DWARF_REGS := 1
LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/dwarf-regs.o
endif
+LIB_OBJS += $(OUTPUT)arch/$(ARCH)/util/header.o
diff --git a/tools/perf/arch/s390/util/header.c b/tools/perf/arch/s390/util/header.c
new file mode 100644
index 0000000..9fa6c3e
--- /dev/null
+++ b/tools/perf/arch/s390/util/header.c
@@ -0,0 +1,28 @@
+/*
+ * Implementation of get_cpuid().
+ *
+ * Copyright 2014 IBM Corp.
+ * Author(s): Alexander Yarygin <yarygin@xxxxxxxxxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License (version 2 only)
+ * as published by the Free Software Foundation.
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "../../util/header.h"
+
+int get_cpuid(char *buffer, size_t sz)
+{
+ const char *cpuid = "IBM/S390";
+
+ if (strlen(cpuid) + 1 > sz)
+ return -1;
+
+ strcpy(buffer, cpuid);
+ return 0;
+}
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 5268a14..937e432 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -54,6 +54,7 @@
#define mb() asm volatile("bcr 15,0" ::: "memory")
#define wmb() asm volatile("bcr 15,0" ::: "memory")
#define rmb() asm volatile("bcr 15,0" ::: "memory")
+#define CPUINFO_PROC "vendor_id"
#endif
#ifdef __sh__
--
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