3 files changed, 38 insertions, 1 deletions
diff --git a/include/linux/dcookies.h b/include/linux/dcookies.h
index 0fe7cdf326f7..98c69ab80c84 100644
--- a/include/linux/dcookies.h
+++ b/include/linux/dcookies.h
@@ -12,6 +12,7 @@
 
 #ifdef CONFIG_PROFILING
  
+#include <linux/dcache.h>
 #include <linux/types.h>
  
 struct dcookie_user;
diff --git a/include/linux/elf-em.h b/include/linux/elf-em.h
index 0311bad838b1..5834e843a946 100644
--- a/include/linux/elf-em.h
+++ b/include/linux/elf-em.h
@@ -20,7 +20,8 @@
 #define EM_PARISC	15	/* HPPA */
 #define EM_SPARC32PLUS	18	/* Sun's "v8plus" */
 #define EM_PPC		20	/* PowerPC */
-#define EM_PPC64	21       /* PowerPC64 */
+#define EM_PPC64	21	 /* PowerPC64 */
+#define EM_SPU		23	/* Cell BE SPU */
 #define EM_SH		42	/* SuperH */
 #define EM_SPARCV9	43	/* SPARC v9 64-bit */
 #define EM_IA_64	50	/* HP/Intel IA-64 */
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 0d514b252454..041bb31100f4 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -17,6 +17,26 @@
 #include <linux/spinlock.h>
 #include <asm/atomic.h>
  
+/* Each escaped entry is prefixed by ESCAPE_CODE
+ * then one of the following codes, then the
+ * relevant data.
+ * These #defines live in this file so that arch-specific
+ * buffer sync'ing code can access them.
+ */
+#define ESCAPE_CODE			~0UL
+#define CTX_SWITCH_CODE			1
+#define CPU_SWITCH_CODE			2
+#define COOKIE_SWITCH_CODE		3
+#define KERNEL_ENTER_SWITCH_CODE	4
+#define KERNEL_EXIT_SWITCH_CODE		5
+#define MODULE_LOADED_CODE		6
+#define CTX_TGID_CODE			7
+#define TRACE_BEGIN_CODE		8
+#define TRACE_END_CODE			9
+#define XEN_ENTER_SWITCH_CODE		10
+#define SPU_PROFILING_CODE		11
+#define SPU_CTX_SWITCH_CODE		12
+
 struct super_block;
 struct dentry;
 struct file_operations;
@@ -35,6 +55,14 @@ struct oprofile_operations {
 	int (*start)(void);
 	/* Stop delivering interrupts. */
 	void (*stop)(void);
+	/* Arch-specific buffer sync functions.
+	 * Return value = 0:  Success
+	 * Return value = -1: Failure
+	 * Return value = 1:  Run generic sync function
+	 */
+	int (*sync_start)(void);
+	int (*sync_stop)(void);
+
 	/* Initiate a stack backtrace. Optional. */
 	void (*backtrace)(struct pt_regs * const regs, unsigned int depth);
 	/* CPU identification string. */
@@ -56,6 +84,13 @@ int oprofile_arch_init(struct oprofile_operations * ops);
 void oprofile_arch_exit(void);
 
 /**
+ * Add data to the event buffer.
+ * The data passed is free-form, but typically consists of
+ * file offsets, dcookies, context information, and ESCAPE codes.
+ */
+void add_event_entry(unsigned long data);
+
+/**
  * Add a sample. This may be called from any context. Pass
  * smp_processor_id() as cpu.
  */