If CONFIG_HW_PERF_EVENTS is not defined, provide stubs for
oprofile_perf_init and oprofile_perf_exit. Allows cleaning of
architecture specific implementations.
Signed-off-by: Ari Kauppi <kauppi@xxxxxxxxxxxx>
---
include/linux/oprofile.h | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 54c8382..1ca6411 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -16,6 +16,8 @@
#include <linux/types.h>
#include <linux/spinlock.h>
#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/printk.h>
#include <asm/atomic.h>
/* Each escaped entry is prefixed by ESCAPE_CODE
@@ -190,6 +192,13 @@ int oprofile_write_commit(struct op_entry *entry);
int __init oprofile_perf_init(struct oprofile_operations *ops);
void oprofile_perf_exit(void);
char *op_name_from_perf_id(void);
+#else
+static inline int __init oprofile_perf_init(struct oprofile_operations *ops)
+{
+ pr_info("oprofile: hardware counters not available\n");
+ return -ENODEV;
+}
+static inline void oprofile_perf_exit(void) { }
#endif /* CONFIG_HW_PERF_EVENTS */
#endif /* OPROFILE_H */
--
1.7.4.rc2.3.g60a2e
--
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