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-rw-r--r--libglusterfs/src/stack.h56
1 files changed, 54 insertions, 2 deletions
diff --git a/libglusterfs/src/stack.h b/libglusterfs/src/stack.h
index cc059f068..25925f7a6 100644
--- a/libglusterfs/src/stack.h
+++ b/libglusterfs/src/stack.h
@@ -37,6 +37,8 @@ typedef struct _call_frame_t call_frame_t;
struct _call_pool_t;
typedef struct _call_pool_t call_pool_t;
+#include <sys/time.h>
+
#include "xlator.h"
#include "dict.h"
#include "list.h"
@@ -76,6 +78,10 @@ struct _call_frame_t {
gf_lock_t lock;
void *cookie; /* unique cookie */
gf_boolean_t complete;
+
+ glusterfs_fop_t op;
+ struct timeval begin; /* when this frame was created */
+ struct timeval end; /* when this frame completed */
};
struct _call_stack_t {
@@ -113,6 +119,16 @@ struct _call_stack_t {
} \
} while (0); \
+struct xlator_fops;
+struct xlator_mops;
+
+void
+gf_set_fop_from_fn_pointer (call_frame_t *frame, struct xlator_fops *fops,
+ struct xlator_mops *mops, void *fn);
+
+void
+gf_update_latency (call_frame_t *frame);
+
static inline void
FRAME_DESTROY (call_frame_t *frame)
{
@@ -130,6 +146,13 @@ FRAME_DESTROY (call_frame_t *frame)
static inline void
STACK_DESTROY (call_stack_t *stack)
{
+ glusterfs_ctx_t *ctx = get_global_ctx_ptr ();
+
+ if (ctx && ctx->measure_latency) {
+ gettimeofday (&stack->frames.end, NULL);
+ gf_update_latency (&stack->frames);
+ }
+
LOCK (&stack->pool->lock);
{
list_del_init (&stack->all_frames);
@@ -143,6 +166,10 @@ STACK_DESTROY (call_stack_t *stack)
LOCK_DESTROY (&stack->frames.lock);
while (stack->frames.next) {
+ if (ctx && ctx->measure_latency) {
+ gf_update_latency (stack->frames.next);
+ }
+
FRAME_DESTROY (stack->frames.next);
}
FREE (stack);
@@ -173,7 +200,12 @@ STACK_DESTROY (call_stack_t *stack)
_new->cookie = _new; \
LOCK_INIT (&_new->lock); \
frame->ref_count++; \
- \
+ \
+ if (((xlator_t *) obj)->ctx->measure_latency) { \
+ gettimeofday (&_new->begin, NULL); \
+ gf_set_fop_from_fn_pointer (_new, ((xlator_t *)obj)->fops, ((xlator_t *)obj)->mops, fn); \
+ } \
+ \
old_THIS = THIS; \
THIS = obj; \
fn (_new, obj, params); \
@@ -203,7 +235,12 @@ STACK_DESTROY (call_stack_t *stack)
LOCK_INIT (&_new->lock); \
frame->ref_count++; \
fn##_cbk = rfn; \
- \
+ \
+ if (((xlator_t *) obj)->ctx->measure_latency) { \
+ gettimeofday (&_new->begin, NULL); \
+ gf_set_fop_from_fn_pointer (_new, ((xlator_t *)obj)->fops, ((xlator_t *)obj)->mops, fn); \
+ } \
+ \
old_THIS = THIS; \
THIS = obj; \
fn (_new, obj, params); \
@@ -224,6 +261,11 @@ STACK_DESTROY (call_stack_t *stack)
old_THIS = THIS; \
THIS = _parent->this; \
frame->complete = _gf_true; \
+ \
+ if (((xlator_t *) old_THIS)->ctx->measure_latency) { \
+ gettimeofday (&frame->end, NULL); \
+ } \
+ \
fn (_parent, frame->cookie, _parent->this, params); \
THIS = old_THIS; \
} while (0)
@@ -242,6 +284,11 @@ STACK_DESTROY (call_stack_t *stack)
old_THIS = THIS; \
THIS = _parent->this; \
frame->complete = _gf_true; \
+ \
+ if (((xlator_t *) old_THIS)->ctx->measure_latency) { \
+ gettimeofday (&frame->end, NULL); \
+ } \
+ \
fn (_parent, frame->cookie, _parent->this, params); \
THIS = old_THIS; \
} while (0)
@@ -294,6 +341,7 @@ static inline call_frame_t *
create_frame (xlator_t *xl, call_pool_t *pool)
{
call_stack_t *stack = NULL;
+ glusterfs_ctx_t *ctx = get_global_ctx_ptr ();
if (!xl || !pool) {
return NULL;
@@ -316,6 +364,10 @@ create_frame (xlator_t *xl, call_pool_t *pool)
LOCK_INIT (&stack->frames.lock);
+ if (ctx && ctx->measure_latency) {
+ gettimeofday (&stack->frames.begin, NULL);
+ }
+
return &stack->frames;
}