1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 7f5cfd3b37dd..b517d869e1ad 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -91,6 +91,27 @@ int oprofile_arch_init(struct oprofile_operations * ops);
  */
 void oprofile_arch_exit(void);
 
+#ifdef CONFIG_HAVE_HWSAMPLER
+/**
+ * setup hardware sampler for oprofiling.
+ */
+
+int oprofile_set_hwsampler(unsigned long);
+
+/**
+ * hardware sampler module initialization for the s390 arch
+ */
+
+int oprofile_arch_set_hwsampler(struct oprofile_operations *ops);
+
+/**
+ * Add an s390 hardware sample.
+ */
+void oprofile_add_ext_hw_sample(unsigned long pc, struct pt_regs * const regs,
+	unsigned long event, int is_kernel,
+	struct task_struct *task);
+#endif /* CONFIG_HAVE_HWSAMPLER */
+
 /**
  * Add a sample. This may be called from any context.
  */