summaryrefslogtreecommitdiff
path: root/drivers/oprofile/cpu_buffer.h
diff options
context:
space:
mode:
authorRobert Richter <robert.richter@amd.com>2008-12-16 16:19:54 +0100
committerRobert Richter <robert.richter@amd.com>2008-12-29 15:19:19 +0100
commit9966718daee592fbdc523703b2d8200009642506 (patch)
tree8f2509353e8e22fbeb52112f4b0bcd9152553a12 /drivers/oprofile/cpu_buffer.h
parent6d2c53f3cd81e33eec17aa99845d43e599986982 (diff)
downloadlinux-sh-9966718daee592fbdc523703b2d8200009642506.tar.gz
oprofile: remove ring buffer inline functions in cpu_buffer.h
This patch moves ring buffer inline functions to cpu_buffer.c. Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'drivers/oprofile/cpu_buffer.h')
-rw-r--r--drivers/oprofile/cpu_buffer.h50
1 files changed, 4 insertions, 46 deletions
diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h
index 83d491e273fe..cd28abc06960 100644
--- a/drivers/oprofile/cpu_buffer.h
+++ b/drivers/oprofile/cpu_buffer.h
@@ -54,8 +54,6 @@ struct oprofile_cpu_buffer {
struct delayed_work work;
};
-extern struct ring_buffer *op_ring_buffer_read;
-extern struct ring_buffer *op_ring_buffer_write;
DECLARE_PER_CPU(struct oprofile_cpu_buffer, cpu_buffer);
/*
@@ -72,50 +70,10 @@ static inline void op_cpu_buffer_reset(int cpu)
cpu_buf->last_task = NULL;
}
-static inline int op_cpu_buffer_write_entry(struct op_entry *entry)
-{
- entry->event = ring_buffer_lock_reserve(op_ring_buffer_write,
- sizeof(struct op_sample),
- &entry->irq_flags);
- if (entry->event)
- entry->sample = ring_buffer_event_data(entry->event);
- else
- entry->sample = NULL;
-
- if (!entry->sample)
- return -ENOMEM;
-
- return 0;
-}
-
-static inline int op_cpu_buffer_write_commit(struct op_entry *entry)
-{
- return ring_buffer_unlock_commit(op_ring_buffer_write, entry->event,
- entry->irq_flags);
-}
-
-static inline struct op_sample *op_cpu_buffer_read_entry(int cpu)
-{
- struct ring_buffer_event *e;
- e = ring_buffer_consume(op_ring_buffer_read, cpu, NULL);
- if (e)
- return ring_buffer_event_data(e);
- if (ring_buffer_swap_cpu(op_ring_buffer_read,
- op_ring_buffer_write,
- cpu))
- return NULL;
- e = ring_buffer_consume(op_ring_buffer_read, cpu, NULL);
- if (e)
- return ring_buffer_event_data(e);
- return NULL;
-}
-
-/* "acquire" as many cpu buffer slots as we can */
-static inline unsigned long op_cpu_buffer_entries(int cpu)
-{
- return ring_buffer_entries_cpu(op_ring_buffer_read, cpu)
- + ring_buffer_entries_cpu(op_ring_buffer_write, cpu);
-}
+int op_cpu_buffer_write_entry(struct op_entry *entry);
+int op_cpu_buffer_write_commit(struct op_entry *entry);
+struct op_sample *op_cpu_buffer_read_entry(int cpu);
+unsigned long op_cpu_buffer_entries(int cpu);
/* transient events for the CPU buffer -> event buffer */
#define CPU_IS_KERNEL 1