diff options
Diffstat (limited to 'drivers/oprofile/cpu_buffer.h')
| -rw-r--r-- | drivers/oprofile/cpu_buffer.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index e178dd2..f343760 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -90,6 +90,26 @@ int op_cpu_buffer_add_data(struct op_entry *entry, unsigned long val) return entry->size; } +/* returns the size of data in the entry */ +static inline +int op_cpu_buffer_get_size(struct op_entry *entry) +{ + return entry->size; +} + +/* returns 0 if empty or the size of data including the current value */ +static inline +int op_cpu_buffer_get_data(struct op_entry *entry, unsigned long *val) +{ + int size = entry->size; + if (!size) + return 0; + *val = *entry->data; + entry->size--; + entry->data++; + return size; +} + /* extra data flags */ #define KERNEL_CTX_SWITCH (1UL << 0) #define IS_KERNEL (1UL << 1) |