Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(191)

Side by Side Diff: include/v8-platform.h

Issue 988893003: Implement tracing interface for v8 (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Rebase Created 5 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« BUILD.gn ('K') | « build/standalone.gypi ('k') | src/d8.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef V8_V8_PLATFORM_H_ 5 #ifndef V8_V8_PLATFORM_H_
6 #define V8_V8_PLATFORM_H_ 6 #define V8_V8_PLATFORM_H_
7 7
8 #include <stdint.h>
9
8 namespace v8 { 10 namespace v8 {
9 11
10 class Isolate; 12 class Isolate;
11 13
12 /** 14 /**
13 * A Task represents a unit of work. 15 * A Task represents a unit of work.
14 */ 16 */
15 class Task { 17 class Task {
16 public: 18 public:
17 virtual ~Task() {} 19 virtual ~Task() {}
(...skipping 82 matching lines...) Expand 10 before | Expand all | Expand 10 after
100 } 102 }
101 103
102 /** 104 /**
103 * Monotonically increasing time in seconds from an arbitrary fixed point in 105 * Monotonically increasing time in seconds from an arbitrary fixed point in
104 * the past. This function is expected to return at least 106 * the past. This function is expected to return at least
105 * millisecond-precision values. For this reason, 107 * millisecond-precision values. For this reason,
106 * it is recommended that the fixed point be no further in the past than 108 * it is recommended that the fixed point be no further in the past than
107 * the epoch. 109 * the epoch.
108 **/ 110 **/
109 virtual double MonotonicallyIncreasingTime() = 0; 111 virtual double MonotonicallyIncreasingTime() = 0;
112
113 /**
114 * Called by TRACE_EVENT* macros, don't call this directly.
115 * The name parameter is a category group for example:
116 * TRACE_EVENT0("v8,parse", "V8.Parse")
117 * The pointer returned points to a value with zero or more of the bits
118 * defined in CategoryGroupEnabledFlags.
119 **/
120 virtual const uint8_t* GetCategoryGroupEnabled(const char* name) = 0;
121
122 /**
123 * Gets the category group name of the given category_enabled_flag pointer.
124 * Usually used while serliazing TRACE_EVENTs.
125 **/
126 virtual const char* GetCategoryGroupName(
127 const uint8_t* category_enabled_flag) = 0;
128
129 /**
130 * Adds a trace event to the platform tracing system. This function call is
131 * usually the result of a TRACE_* macro from trace_event_common.h when
132 * tracing and the category of the particular trace are enabled. It is not
133 * advisable to call this function on its own; it is really only meant to be
134 * used by the trace macros. The returned handle can be used by
135 * UpdateTraceEventDuration to update the duration of COMPLETE events.
136 */
137 virtual uint64_t AddTraceEvent(
138 char phase, const uint8_t* category_enabled_flag, const char* name,
139 uint64_t id, uint64_t bind_id, int32_t num_args, const char** arg_names,
140 const uint8_t* arg_types, const uint64_t* arg_values,
141 unsigned int flags) = 0;
142
143 /**
144 * Sets the duration field of a COMPLETE trace event. It must be called with
145 * the handle returned from AddTraceEvent().
146 **/
147 virtual void UpdateTraceEventDuration(const uint8_t* category_enabled_flag,
148 const char* name, uint64_t handle) = 0;
110 }; 149 };
111 150
112 } // namespace v8 151 } // namespace v8
113 152
114 #endif // V8_V8_PLATFORM_H_ 153 #endif // V8_V8_PLATFORM_H_
OLDNEW
« BUILD.gn ('K') | « build/standalone.gypi ('k') | src/d8.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698