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authorVineet Gupta <vgupta@synopsys.com>2013-01-22 17:02:38 +0530
committerVineet Gupta <vgupta@synopsys.com>2013-02-15 23:16:00 +0530
commit769bc1fd7b8591a312d4c5c8834bc6510272938e (patch)
tree72ce15497ddabc58e492a0f489d1a6a08639f06b /arch/arc/oprofile/common.c
parentARC: Futex support (diff)
downloadlinux-dev-769bc1fd7b8591a312d4c5c8834bc6510272938e.tar.xz
linux-dev-769bc1fd7b8591a312d4c5c8834bc6510272938e.zip
ARC: OProfile support
Signed-off-by: Vineet Gupta <vgupta@synopsys.com> Cc: Robert Richter <rric@kernel.org> Cc: oprofile-list@lists.sf.net Reviewed-by: James Hogan <james.hogan@imgtec.com>
Diffstat (limited to '')
-rw-r--r--arch/arc/oprofile/common.c26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arc/oprofile/common.c b/arch/arc/oprofile/common.c
new file mode 100644
index 000000000000..c80fcad4a5a7
--- /dev/null
+++ b/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();
+}