diff options
| -rw-r--r-- | arch/arm/oprofile/common.c | 12 | ||||
| -rw-r--r-- | include/linux/oprofile.h | 13 |
2 files changed, 13 insertions, 12 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 8aa974491df..2b663918c46 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -10,8 +10,6 @@ */ #include <linux/cpumask.h> -#include <linux/err.h> -#include <linux/errno.h> #include <linux/init.h> #include <linux/mutex.h> #include <linux/oprofile.h> @@ -46,6 +44,7 @@ char *op_name_from_perf_id(void) return NULL; } } +#endif static int report_trace(struct stackframe *frame, void *d) { @@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth) int __init oprofile_arch_init(struct oprofile_operations *ops) { + /* provide backtrace support also in timer mode: */ ops->backtrace = arm_backtrace; return oprofile_perf_init(ops); @@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void) { oprofile_perf_exit(); } -#else -int __init oprofile_arch_init(struct oprofile_operations *ops) -{ - pr_info("oprofile: hardware counters not available\n"); - return -ENODEV; -} -void __exit oprofile_arch_exit(void) {} -#endif /* CONFIG_HW_PERF_EVENTS */ diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 32fb81212fd..1ca64113efe 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 */ |