linux-kernel - [RFC Patch v1 50/55] ARC: perf support (software counters only)

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Date:	Mon, 12 Nov 2012 17:19:08 +0530
From:	<Vineet.Gupta1@...opsys.com>
To:	<linux-arch@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	<tglx@...utronix.de>, <arnd@...db.de>,
	Vineet Gupta <Vineet.Gupta1@...opsys.com>
Subject: [RFC Patch v1 50/55] ARC: perf support (software counters only)

From: Vineet Gupta <vgupta@...opsys.com>

Signed-off-by: Vineet Gupta <vgupta@...opsys.com>
---
 arch/arc/Kconfig                  |    3 +++
 arch/arc/include/asm/perf_event.h |   19 +++++++++++++++++++
 2 files changed, 22 insertions(+), 0 deletions(-)
 create mode 100644 arch/arc/include/asm/perf_event.h

diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index b878d3e..9882ce0c 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -23,12 +23,15 @@ config ARC
 	select HAVE_ARCH_KGDB
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_GENERIC_HARDIRQS
+	select HAVE_IRQ_WORK
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
 	select HAVE_MOD_ARCH_SPECIFIC if ARC_DW2_UNWIND
 	select HAVE_OPROFILE
+	select HAVE_PERF_EVENTS
 	select HOTPLUG if !INITRAMFS_SOURCE=""
 	select MODULES_USE_ELF_RELA
+	select PERF_USE_VMALLOC
 
 config SCHED_OMIT_FRAME_POINTER
 	def_bool y
diff --git a/arch/arc/include/asm/perf_event.h b/arch/arc/include/asm/perf_event.h
new file mode 100644
index 0000000..a10eb78
--- /dev/null
+++ b/arch/arc/include/asm/perf_event.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 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.
+ *
+ */
+
+#ifndef __ASM_PERF_EVENT_H
+#define __ASM_PERF_EVENT_H
+
+#define PERF_EVENT_INDEX_OFFSET	0
+
+static inline void set_perf_event_pending(void)
+{
+}
+
+#endif /* __ASM_PERF_EVENT_H */
-- 
1.7.4.1

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