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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
|
/*
* %CopyrightBegin%
*
* Copyright Ericsson AB 2012-2016. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* %CopyrightEnd%
*/
#ifndef ERL_TRACE_H__FLAGS__
#define ERL_TRACE_H__FLAGS__
/*
* NOTE! The bits used for these flags matter. The flag with
* the least significant bit will take precedence!
*
* The "now timestamp" has highest precedence due to
* compatibility reasons.
*/
#define ERTS_TRACE_FLG_NOW_TIMESTAMP (1 << 0)
#define ERTS_TRACE_FLG_STRICT_MONOTONIC_TIMESTAMP (1 << 1)
#define ERTS_TRACE_FLG_MONOTONIC_TIMESTAMP (1 << 2)
/*
* The bits used effects trace flags (of processes and ports)
* as well as sequential trace flags. If changed make sure
* these arn't messed up...
*/
#define ERTS_TRACE_TS_TYPE_BITS 3
#define ERTS_TRACE_TS_TYPE_MASK \
((1 << ERTS_TRACE_TS_TYPE_BITS) - 1)
#define ERTS_TFLGS2TSTYPE(TFLGS) \
((int) (((TFLGS) >> ERTS_TRACE_FLAGS_TS_TYPE_SHIFT) \
& ERTS_TRACE_TS_TYPE_MASK))
#define ERTS_SEQTFLGS2TSTYPE(SEQTFLGS) \
((int) (((SEQTFLGS) >> ERTS_SEQ_TRACE_FLAGS_TS_TYPE_SHIFT) \
& ERTS_TRACE_TS_TYPE_MASK))
#endif /* ERL_TRACE_H__FLAGS__ */
#if !defined(ERL_TRACE_H__) && !defined(ERTS_ONLY_INCLUDE_TRACE_FLAGS)
#define ERL_TRACE_H__
struct binary;
/* erl_bif_trace.c */
Eterm erl_seq_trace_info(Process *p, Eterm arg1);
void erts_system_monitor_clear(Process *c_p);
void erts_system_profile_clear(Process *c_p);
/* erl_trace.c */
void erts_init_trace(void);
void erts_trace_check_exiting(Eterm exiting);
Eterm erts_set_system_seq_tracer(Process *c_p,
ErtsProcLocks c_p_locks,
Eterm new);
Eterm erts_get_system_seq_tracer(void);
void erts_change_default_tracing(int setflags, Uint *flagsp, Eterm *tracerp);
void erts_get_default_tracing(Uint *flagsp, Eterm *tracerp);
void erts_set_system_monitor(Eterm monitor);
Eterm erts_get_system_monitor(void);
int erts_is_tracer_proc_valid(Process* p);
#ifdef ERTS_SMP
void erts_check_my_tracer_proc(Process *);
void erts_block_sys_msg_dispatcher(void);
void erts_release_sys_msg_dispatcher(void);
void erts_foreach_sys_msg_in_q(void (*func)(Eterm,
Eterm,
Eterm,
ErlHeapFragment *));
void erts_queue_error_logger_message(Eterm, Eterm, ErlHeapFragment *);
#endif
void erts_send_sys_msg_proc(Eterm, Eterm, Eterm, ErlHeapFragment *);
void trace_send(Process*, Eterm, Eterm);
void trace_receive(Process*, Eterm);
Uint32 erts_call_trace(Process *p, BeamInstr mfa[], struct binary *match_spec, Eterm* args,
int local, Eterm *tracer_pid);
void erts_trace_return(Process* p, BeamInstr* fi, Eterm retval, Eterm *tracer_pid);
void erts_trace_exception(Process* p, BeamInstr mfa[], Eterm class, Eterm value,
Eterm *tracer);
void erts_trace_return_to(Process *p, BeamInstr *pc);
void trace_sched(Process*, Eterm);
void trace_proc(Process*, Process*, Eterm, Eterm);
void trace_proc_spawn(Process*, Eterm pid, Eterm mod, Eterm func, Eterm args);
void save_calls(Process *p, Export *);
void trace_gc(Process *p, Eterm what);
/* port tracing */
void trace_virtual_sched(Process*, Eterm);
void trace_sched_ports(Port *pp, Eterm);
void trace_sched_ports_where(Port *pp, Eterm, Eterm);
void trace_port(Port *, Eterm what, Eterm data);
void trace_port_open(Port *, Eterm calling_pid, Eterm drv_name);
/* system_profile */
void erts_set_system_profile(Eterm profile);
Eterm erts_get_system_profile(void);
void profile_scheduler(Eterm scheduler_id, Eterm);
void profile_scheduler_q(Eterm scheduler_id, Eterm state, Eterm no_schedulers, Uint Ms, Uint s, Uint us);
void profile_runnable_proc(Process* p, Eterm status);
void profile_runnable_port(Port* p, Eterm status);
void erts_system_profile_setup_active_schedulers(void);
/* system_monitor */
void monitor_long_gc(Process *p, Uint time);
void monitor_long_schedule_proc(Process *p, BeamInstr *in_i, BeamInstr *out_i, Uint time);
void monitor_long_schedule_port(Port *pp, ErtsPortTaskType type, Uint time);
void monitor_large_heap(Process *p);
void monitor_generic(Process *p, Eterm type, Eterm spec);
Uint erts_trace_flag2bit(Eterm flag);
int erts_trace_flags(Eterm List,
Uint *pMask, Eterm *pTracer, int *pCpuTimestamp);
Eterm erts_bif_trace(int bif_index, Process* p, Eterm* args, BeamInstr *I);
#ifdef ERTS_SMP
void erts_send_pending_trace_msgs(ErtsSchedulerData *esdp);
#define ERTS_SMP_CHK_PEND_TRACE_MSGS(ESDP) \
do { \
if ((ESDP)->pending_trace_msgs) \
erts_send_pending_trace_msgs((ESDP)); \
} while (0)
#else
#define ERTS_SMP_CHK_PEND_TRACE_MSGS(ESDP)
#endif
#define seq_trace_output(token, msg, type, receiver, process) \
seq_trace_output_generic((token), (msg), (type), (receiver), (process), NIL)
#define seq_trace_output_exit(token, msg, type, receiver, exitfrom) \
seq_trace_output_generic((token), (msg), (type), (receiver), NULL, (exitfrom))
void seq_trace_output_generic(Eterm token, Eterm msg, Uint type,
Eterm receiver, Process *process, Eterm exitfrom);
int seq_trace_update_send(Process *process);
Eterm erts_seq_trace(Process *process,
Eterm atom_type, Eterm atom_true_or_false,
int build_result);
struct trace_pattern_flags {
unsigned int breakpoint : 1; /* Set if any other is set */
unsigned int local : 1; /* Local call trace breakpoint */
unsigned int meta : 1; /* Metadata trace breakpoint */
unsigned int call_count : 1; /* Fast call count breakpoint */
unsigned int call_time : 1; /* Fast call time breakpoint */
};
extern const struct trace_pattern_flags erts_trace_pattern_flags_off;
extern int erts_call_time_breakpoint_tracing;
int erts_set_trace_pattern(Process*p, Eterm* mfa, int specified,
struct binary* match_prog_set,
struct binary *meta_match_prog_set,
int on, struct trace_pattern_flags,
Eterm meta_tracer_pid, int is_blocking);
void
erts_get_default_trace_pattern(int *trace_pattern_is_on,
struct binary **match_spec,
struct binary **meta_match_spec,
struct trace_pattern_flags *trace_pattern_flags,
Eterm *meta_tracer_pid);
int erts_is_default_trace_enabled(void);
void erts_bif_trace_init(void);
int erts_finish_breakpointing(void);
#endif /* ERL_TRACE_H__ */
|
