1 #ifndef __MONO_PROFLOG_H__
2 #define __MONO_PROFLOG_H__
5 #define MONO_PROFILER_UNSTABLE_GC_ROOTS
6 #include <mono/metadata/profiler.h>
8 #define BUF_ID 0x4D504C01
9 #define LOG_HEADER_ID 0x4D505A01
10 #define LOG_VERSION_MAJOR 2
11 #define LOG_VERSION_MINOR 0
12 #define LOG_DATA_VERSION 14
15 * Changes in major/minor versions:
16 * version 1.0: removed sysid field from header
17 * added args, arch, os fields to header
19 * Changes in data versions:
20 * version 2: added offsets in heap walk
21 * version 3: added GC roots
22 * version 4: added sample/statistical profiling
23 * version 5: added counters sampling
24 * version 6: added optional backtrace in sampling info
25 * version 8: added TYPE_RUNTIME and JIT helpers/trampolines
26 * version 9: added MONO_PROFILER_CODE_BUFFER_EXCEPTION_HANDLING
27 * version 10: added TYPE_COVERAGE
28 * version 11: added thread ID to TYPE_SAMPLE_HIT
29 added more load/unload events
32 load/unload for appdomain
33 load/unload for contexts
34 load/unload/name for assemblies
35 removed TYPE_LOAD_ERR flag (profiler never generated it, now removed from the format itself)
36 added TYPE_GC_HANDLE_{CREATED,DESTROYED}_BT
37 TYPE_JIT events are no longer guaranteed to have code start/size info (can be zero)
38 * version 12: added MONO_COUNTER_PROFILER
39 * version 13: added MONO_GC_EVENT_{PRE_STOP_WORLD_LOCKED,POST_START_WORLD_UNLOCKED}
40 added TYPE_META + TYPE_SYNC_POINT
41 removed il and native offset in TYPE_SAMPLE_HIT
42 methods in backtraces are now encoded as proper method pointers
43 removed flags in backtrace format
44 removed flags in metadata events
45 changed the following fields to a single byte rather than leb128
46 TYPE_GC_EVENT: event_type, generation
47 TYPE_HEAP_ROOT: root_type
49 TYPE_SAMPLE_HIT: sample_type
50 TYPE_CLAUSE: clause_type
51 TYPE_SAMPLE_COUNTERS_DESC: type, unit, variance
52 TYPE_SAMPLE_COUNTERS: type
53 added time fields to all events that were missing one
57 TYPE_SAMPLE_COUNTERS_DESC
59 TYPE_COVERAGE_STATEMENT
61 TYPE_COVERAGE_ASSEMBLY
62 moved the time field in TYPE_SAMPLE_HIT to right after the event byte, now encoded as a regular time field
63 changed the time field in TYPE_SAMPLE_COUNTERS to be encoded as a regular time field (in nanoseconds)
64 added TYPE_GC_FINALIZE_{START,END,OBJECT_START,OBJECT_END}
65 * version 14: added event field to TYPE_MONITOR instead of encoding it in the extended info
66 all TYPE_MONITOR events can now contain backtraces
67 changed address field in TYPE_SAMPLE_UBIN to be based on ptr_base
68 added an image pointer field to assembly load events
69 added an exception object field to TYPE_CLAUSE
70 class unload events no longer exist (they were never emitted)
71 removed type field from TYPE_SAMPLE_HIT
86 /* extended type for TYPE_HEAP */
87 TYPE_HEAP_START = 0 << 4,
88 TYPE_HEAP_END = 1 << 4,
89 TYPE_HEAP_OBJECT = 2 << 4,
90 TYPE_HEAP_ROOT = 3 << 4,
91 /* extended type for TYPE_METADATA */
92 TYPE_END_LOAD = 2 << 4,
93 TYPE_END_UNLOAD = 4 << 4,
94 /* extended type for TYPE_GC */
95 TYPE_GC_EVENT = 1 << 4,
96 TYPE_GC_RESIZE = 2 << 4,
97 TYPE_GC_MOVE = 3 << 4,
98 TYPE_GC_HANDLE_CREATED = 4 << 4,
99 TYPE_GC_HANDLE_DESTROYED = 5 << 4,
100 TYPE_GC_HANDLE_CREATED_BT = 6 << 4,
101 TYPE_GC_HANDLE_DESTROYED_BT = 7 << 4,
102 TYPE_GC_FINALIZE_START = 8 << 4,
103 TYPE_GC_FINALIZE_END = 9 << 4,
104 TYPE_GC_FINALIZE_OBJECT_START = 10 << 4,
105 TYPE_GC_FINALIZE_OBJECT_END = 11 << 4,
106 /* extended type for TYPE_METHOD */
109 TYPE_EXC_LEAVE = 3 << 4,
111 /* extended type for TYPE_EXCEPTION */
112 TYPE_THROW_NO_BT = 0 << 7,
113 TYPE_THROW_BT = 1 << 7,
114 TYPE_CLAUSE = 1 << 4,
115 /* extended type for TYPE_ALLOC */
116 TYPE_ALLOC_NO_BT = 0 << 4,
117 TYPE_ALLOC_BT = 1 << 4,
118 /* extended type for TYPE_MONITOR */
119 TYPE_MONITOR_NO_BT = 0 << 7,
120 TYPE_MONITOR_BT = 1 << 7,
121 /* extended type for TYPE_SAMPLE */
122 TYPE_SAMPLE_HIT = 0 << 4,
123 TYPE_SAMPLE_USYM = 1 << 4,
124 TYPE_SAMPLE_UBIN = 2 << 4,
125 TYPE_SAMPLE_COUNTERS_DESC = 3 << 4,
126 TYPE_SAMPLE_COUNTERS = 4 << 4,
127 /* extended type for TYPE_RUNTIME */
128 TYPE_JITHELPER = 1 << 4,
129 /* extended type for TYPE_COVERAGE */
130 TYPE_COVERAGE_ASSEMBLY = 0 << 4,
131 TYPE_COVERAGE_METHOD = 1 << 4,
132 TYPE_COVERAGE_STATEMENT = 2 << 4,
133 TYPE_COVERAGE_CLASS = 3 << 4,
134 /* extended type for TYPE_META */
135 TYPE_SYNC_POINT = 0 << 4,
139 /* metadata type byte for TYPE_METADATA */
149 SYNC_POINT_PERIODIC = 0,
150 SYNC_POINT_WORLD_STOP = 1,
151 SYNC_POINT_WORLD_START = 2,
152 } MonoProfilerSyncPointType;
155 MONO_PROFILER_MONITOR_CONTENTION = 1,
156 MONO_PROFILER_MONITOR_DONE = 2,
157 MONO_PROFILER_MONITOR_FAIL = 3,
158 } MonoProfilerMonitorEvent;
161 MONO_PROFILER_GC_HANDLE_CREATED = 0,
162 MONO_PROFILER_GC_HANDLE_DESTROYED = 1,
166 MONO_PROFILER_HEAPSHOT_NONE = 0,
167 MONO_PROFILER_HEAPSHOT_MAJOR = 1,
168 MONO_PROFILER_HEAPSHOT_ON_DEMAND = 2,
169 MONO_PROFILER_HEAPSHOT_X_GC = 3,
170 MONO_PROFILER_HEAPSHOT_X_MS = 4,
171 } MonoProfilerHeapshotMode;
173 // If you alter MAX_FRAMES, you may need to alter SAMPLE_BLOCK_SIZE too.
174 #define MAX_FRAMES 32
176 //The following flags control emitting individual events
177 #define PROFLOG_EXCEPTION_EVENTS (1 << 0)
178 #define PROFLOG_MONITOR_EVENTS (1 << 1)
179 #define PROFLOG_GC_EVENTS (1 << 2)
180 #define PROFLOG_GC_ALLOCATION_EVENTS (1 << 3)
181 #define PROFLOG_GC_MOVE_EVENTS (1 << 4)
182 #define PROFLOG_GC_ROOT_EVENTS (1 << 5)
183 #define PROFLOG_GC_HANDLE_EVENTS (1 << 6)
184 #define PROFLOG_FINALIZATION_EVENTS (1 << 7)
185 #define PROFLOG_COUNTER_EVENTS (1 << 8)
186 #define PROFLOG_SAMPLE_EVENTS (1 << 9)
187 #define PROFLOG_JIT_EVENTS (1 << 10)
189 #define PROFLOG_ALLOC_ALIAS (PROFLOG_GC_EVENTS | PROFLOG_GC_ALLOCATION_EVENTS | PROFLOG_GC_MOVE_EVENTS)
190 #define PROFLOG_HEAPSHOT_ALIAS (PROFLOG_GC_EVENTS | PROFLOG_GC_ROOT_EVENTS)
191 #define PROFLOG_LEGACY_ALIAS (PROFLOG_EXCEPTION_EVENTS | PROFLOG_MONITOR_EVENTS | PROFLOG_GC_EVENTS | PROFLOG_GC_MOVE_EVENTS | PROFLOG_GC_ROOT_EVENTS | PROFLOG_GC_HANDLE_EVENTS | PROFLOG_FINALIZATION_EVENTS | PROFLOG_COUNTER_EVENTS)
194 //Events explicitly enabled
197 //Events explicitly disabled
200 // Actual mask the profiler should use. Can be changed at runtime.
203 // Whether to do method prologue/epilogue instrumentation. Only used at startup.
204 gboolean enter_leave;
206 // Whether to collect code coverage by instrumenting basic blocks.
207 gboolean collect_coverage;
209 //Emit a report at the end of execution
212 //Enable profiler internal debugging
215 //Where to compress the output file
218 // Heapshot mode (every major, on demand, XXgc, XXms). Can be changed at runtime.
219 MonoProfilerHeapshotMode hs_mode;
221 // Heapshot frequency in milliseconds (for MONO_HEAPSHOT_X_MS). Can be changed at runtime.
222 unsigned int hs_freq_ms;
224 // Heapshot frequency in number of collections (for MONO_HEAPSHOT_X_GC). Can be changed at runtime.
225 unsigned int hs_freq_gc;
227 // Sample frequency in Hertz. Only used at startup.
230 // Maximum number of frames to collect. Can be changed at runtime.
233 // Max depth to record enter/leave events. Can be changed at runtime.
236 //Name of the generated mlpd file
237 const char *output_filename;
239 //Filter files used by the code coverage mode
240 GPtrArray *cov_filter_files;
242 // Port to listen for profiling commands (e.g. "heapshot" for on-demand heapshot).
245 // Maximum number of SampleHit structures. We'll drop samples if this number is not sufficient.
246 int max_allocated_sample_hits;
248 // Sample mode. Only used at startup.
249 MonoProfilerSampleMode sampling_mode;
252 void proflog_parse_args (ProfilerConfig *config, const char *desc);
254 #endif /* __MONO_PROFLOG_H__ */