---

yaml
---
r: 360154
b: refs/heads/master
c: 769bc1f
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 01b812bcce4920d9587fab7a964493d368be1522
+refs/heads/master: 769bc1fd7b8591a312d4c5c8834bc6510272938e

trunk/arch/arc/Kconfig

@@ -25,6 +25,7 @@ config ARC
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_GENERIC_HARDIRQS
 	select HAVE_MEMBLOCK
+	select HAVE_OPROFILE
 	select IRQ_DOMAIN
 	select MODULES_USE_ELF_RELA
 	select NO_BOOTMEM

trunk/arch/arc/Makefile

@@ -100,6 +100,8 @@ ifneq ($(platform-y),)
 core-y		+= arch/arc/plat-$(PLATFORM)/
 endif
 
+drivers-$(CONFIG_OPROFILE)	+= arch/arc/oprofile/
+
 libs-y		+= arch/arc/lib/ $(LIBGCC)
 
 #default target for make without any arguements.

trunk/arch/arc/oprofile/Makefile

@@ -0,0 +1,9 @@
+obj-$(CONFIG_OPROFILE) += oprofile.o
+
+DRIVER_OBJS = $(addprefix ../../../drivers/oprofile/, \
+		oprof.o cpu_buffer.o buffer_sync.o \
+		event_buffer.o oprofile_files.o \
+		oprofilefs.o oprofile_stats.o \
+		timer_int.o )
+
+oprofile-y	:= $(DRIVER_OBJS) common.o

trunk/arch/arc/oprofile/common.c

@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Based on orig code from @author John Levon <levon@movementarian.org>
+ */
+
+#include <linux/oprofile.h>
+#include <linux/perf_event.h>
+
+int __init oprofile_arch_init(struct oprofile_operations *ops)
+{
+	/*
+	 * A failure here, forces oprofile core to switch to Timer based PC
+	 * sampling, which will happen if say perf is not enabled/available
+	 */
+	return oprofile_perf_init(ops);
+}
+
+void oprofile_arch_exit(void)
+{
+	oprofile_perf_exit();
+}