diff options
| author | Tejun Heo <tj@kernel.org> | 2011-02-21 09:43:56 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-02-21 09:43:56 +0100 |
| commit | 43d133c18b44e7d82d82ef0dcc2bddd55d5dfe81 (patch) | |
| tree | 8de75c837b55874cc8a81a29bdedbc62668d4481 /include/linux/oprofile.h | |
| parent | 4149efb22da66e326fc48baf80d628834509f7f0 (diff) | |
| parent | 6f576d57f1fa0d6026b495d8746d56d949989161 (diff) | |
Merge branch 'master' into for-2.6.39
Diffstat (limited to 'include/linux/oprofile.h')
| -rw-r--r-- | include/linux/oprofile.h | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 32fb81212fd1..1ca64113efe8 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 @@ -186,10 +188,17 @@ int oprofile_add_data(struct op_entry *entry, unsigned long val); int oprofile_add_data64(struct op_entry *entry, u64 val); int oprofile_write_commit(struct op_entry *entry); -#ifdef CONFIG_PERF_EVENTS +#ifdef CONFIG_HW_PERF_EVENTS int __init oprofile_perf_init(struct oprofile_operations *ops); void oprofile_perf_exit(void); char *op_name_from_perf_id(void); -#endif /* CONFIG_PERF_EVENTS */ +#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 */ |