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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <grpc/support/port_platform.h>
#ifdef GRPC_BASIC_PROFILER
#include "src/core/profiling/timers.h"
#include "src/core/profiling/timers_preciseclock.h"
#include <grpc/support/alloc.h>
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include <grpc/support/sync.h>
#include <grpc/support/thd.h>
#include <stdio.h>
typedef enum { BEGIN = '{', END = '}', MARK = '.' } marker_type;
typedef struct grpc_timer_entry {
grpc_precise_clock tm;
int tag;
marker_type type;
void* id;
const char* file;
int line;
} grpc_timer_entry;
#define MAX_COUNT (1024 * 1024 / sizeof(grpc_timer_entry))
static __thread grpc_timer_entry log[MAX_COUNT];
static __thread int count;
static void log_report() {
int i;
for (i = 0; i < count; i++) {
grpc_timer_entry* entry = &(log[i]);
printf("GRPC_LAT_PROF " GRPC_PRECISE_CLOCK_FORMAT " %p %c %d %p %s %d\n",
GRPC_PRECISE_CLOCK_PRINTF_ARGS(&entry->tm),
(void*)(gpr_intptr)gpr_thd_currentid(), entry->type, entry->tag,
entry->id, entry->file, entry->line);
}
/* Now clear out the log */
count = 0;
}
static void grpc_timers_log_add(int tag, marker_type type, void* id,
const char* file, int line) {
grpc_timer_entry* entry;
/* TODO (vpai) : Improve concurrency */
if (count == MAX_COUNT) {
log_report();
}
entry = &log[count++];
grpc_precise_clock_now(&entry->tm);
entry->tag = tag;
entry->type = type;
entry->id = id;
entry->file = file;
entry->line = line;
}
/* Latency profiler API implementation. */
void grpc_timer_add_mark(int tag, void* id, const char* file, int line) {
if (tag < GRPC_PTAG_IGNORE_THRESHOLD) {
grpc_timers_log_add(tag, MARK, id, file, line);
}
}
void grpc_timer_begin(int tag, void* id, const char* file, int line) {
if (tag < GRPC_PTAG_IGNORE_THRESHOLD) {
grpc_timers_log_add(tag, BEGIN, id, file, line);
}
}
void grpc_timer_end(int tag, void* id, const char* file, int line) {
if (tag < GRPC_PTAG_IGNORE_THRESHOLD) {
grpc_timers_log_add(tag, END, id, file, line);
}
}
/* Basic profiler specific API functions. */
void grpc_timers_global_init(void) {}
void grpc_timers_global_destroy(void) {}
#else /* !GRPC_BASIC_PROFILER */
void grpc_timers_global_init(void) {}
void grpc_timers_global_destroy(void) {}
#endif /* GRPC_BASIC_PROFILER */
|
