1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* Copyright (C) 2005-2013 Shugo Maeda <shugo@ruby-lang.org> and Charlie Savage <cfis@savagexi.com>
Please see the LICENSE file for copyright and distribution information */
#ifndef __RP_STACK__
#define __RP_STACK__
#include <ruby.h>
#include "rp_measure.h"
#include "rp_call_info.h"
/* Temporary object that maintains profiling information
for active methods. They are created and destroyed
as the program moves up and down its stack. */
typedef struct
{
/* Caching prof_method_t values significantly
increases performance. */
prof_call_info_t *call_info;
unsigned int line;
unsigned int passes; /* Count of "pass" frames, _after_ this one. */
double start_time;
double switch_time; /* Time at switch to different thread */
double wait_time;
double child_time;
double pause_time; // Time pause() was initiated
double dead_time; // Time to ignore (i.e. total amount of time between pause/resume blocks)
} prof_frame_t;
#define prof_frame_is_real(f) ((f)->passes == 0)
#define prof_frame_is_pass(f) ((f)->passes > 0)
#define prof_frame_is_paused(f) (f->pause_time >= 0)
#define prof_frame_is_unpaused(f) (f->pause_time < 0)
void prof_frame_pause(prof_frame_t*, double current_measurement);
void prof_frame_unpause(prof_frame_t*, double current_measurement);
/* Current stack of active methods.*/
typedef struct
{
prof_frame_t *start;
prof_frame_t *end;
prof_frame_t *ptr;
} prof_stack_t;
prof_stack_t *prof_stack_create();
void prof_stack_free(prof_stack_t *stack);
prof_frame_t *prof_stack_push(prof_stack_t *stack, prof_call_info_t *call_info, double measurement, int paused);
prof_frame_t *prof_stack_pop(prof_stack_t *stack, double measurement);
prof_frame_t *prof_stack_pass(prof_stack_t *stack);
static inline prof_frame_t *
prof_stack_peek(prof_stack_t *stack) {
return stack->ptr != stack->start ? stack->ptr - 1 : NULL;
}
#endif //__RP_STACK__
|
