diff options
| -rw-r--r-- | arch/arm/oprofile/common.c | 12 | ||||
| -rw-r--r-- | include/linux/oprofile.h | 9 |
2 files changed, 11 insertions, 10 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index 8aa974491dfc..2b663918c464 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c | |||
| @@ -10,8 +10,6 @@ | |||
| 10 | */ | 10 | */ |
| 11 | 11 | ||
| 12 | #include <linux/cpumask.h> | 12 | #include <linux/cpumask.h> |
| 13 | #include <linux/err.h> | ||
| 14 | #include <linux/errno.h> | ||
| 15 | #include <linux/init.h> | 13 | #include <linux/init.h> |
| 16 | #include <linux/mutex.h> | 14 | #include <linux/mutex.h> |
| 17 | #include <linux/oprofile.h> | 15 | #include <linux/oprofile.h> |
| @@ -46,6 +44,7 @@ char *op_name_from_perf_id(void) | |||
| 46 | return NULL; | 44 | return NULL; |
| 47 | } | 45 | } |
| 48 | } | 46 | } |
| 47 | #endif | ||
| 49 | 48 | ||
| 50 | static int report_trace(struct stackframe *frame, void *d) | 49 | static int report_trace(struct stackframe *frame, void *d) |
| 51 | { | 50 | { |
| @@ -111,6 +110,7 @@ static void arm_backtrace(struct pt_regs * const regs, unsigned int depth) | |||
| 111 | 110 | ||
| 112 | int __init oprofile_arch_init(struct oprofile_operations *ops) | 111 | int __init oprofile_arch_init(struct oprofile_operations *ops) |
| 113 | { | 112 | { |
| 113 | /* provide backtrace support also in timer mode: */ | ||
| 114 | ops->backtrace = arm_backtrace; | 114 | ops->backtrace = arm_backtrace; |
| 115 | 115 | ||
| 116 | return oprofile_perf_init(ops); | 116 | return oprofile_perf_init(ops); |
| @@ -120,11 +120,3 @@ void __exit oprofile_arch_exit(void) | |||
| 120 | { | 120 | { |
| 121 | oprofile_perf_exit(); | 121 | oprofile_perf_exit(); |
| 122 | } | 122 | } |
| 123 | #else | ||
| 124 | int __init oprofile_arch_init(struct oprofile_operations *ops) | ||
| 125 | { | ||
| 126 | pr_info("oprofile: hardware counters not available\n"); | ||
| 127 | return -ENODEV; | ||
| 128 | } | ||
| 129 | void __exit oprofile_arch_exit(void) {} | ||
| 130 | #endif /* CONFIG_HW_PERF_EVENTS */ | ||
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h index 54c83827f913..1ca64113efe8 100644 --- a/include/linux/oprofile.h +++ b/include/linux/oprofile.h | |||
| @@ -16,6 +16,8 @@ | |||
| 16 | #include <linux/types.h> | 16 | #include <linux/types.h> |
| 17 | #include <linux/spinlock.h> | 17 | #include <linux/spinlock.h> |
| 18 | #include <linux/init.h> | 18 | #include <linux/init.h> |
| 19 | #include <linux/errno.h> | ||
| 20 | #include <linux/printk.h> | ||
| 19 | #include <asm/atomic.h> | 21 | #include <asm/atomic.h> |
| 20 | 22 | ||
| 21 | /* Each escaped entry is prefixed by ESCAPE_CODE | 23 | /* Each escaped entry is prefixed by ESCAPE_CODE |
| @@ -190,6 +192,13 @@ int oprofile_write_commit(struct op_entry *entry); | |||
| 190 | int __init oprofile_perf_init(struct oprofile_operations *ops); | 192 | int __init oprofile_perf_init(struct oprofile_operations *ops); |
| 191 | void oprofile_perf_exit(void); | 193 | void oprofile_perf_exit(void); |
| 192 | char *op_name_from_perf_id(void); | 194 | char *op_name_from_perf_id(void); |
| 195 | #else | ||
| 196 | static inline int __init oprofile_perf_init(struct oprofile_operations *ops) | ||
| 197 | { | ||
| 198 | pr_info("oprofile: hardware counters not available\n"); | ||
| 199 | return -ENODEV; | ||
| 200 | } | ||
| 201 | static inline void oprofile_perf_exit(void) { } | ||
| 193 | #endif /* CONFIG_HW_PERF_EVENTS */ | 202 | #endif /* CONFIG_HW_PERF_EVENTS */ |
| 194 | 203 | ||
| 195 | #endif /* OPROFILE_H */ | 204 | #endif /* OPROFILE_H */ |
