V8 Project
Classes | Namespaces | Macros
log.h File Reference
#include <string>
#include "src/allocation.h"
#include "src/base/platform/elapsed-timer.h"
#include "src/base/platform/platform.h"
#include "src/objects.h"
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Go to the source code of this file.

Classes

class  v8::internal::Logger
 
class  v8::internal::TimerEventScope< TimerEvent >
 
class  v8::internal::CodeEventListener
 
class  v8::internal::CodeEventLogger
 

Namespaces

 v8
 Debugger support for the V8 JavaScript engine.
 
 v8::base
 
 v8::internal
 

Macros

#define LOG(isolate, Call)
 
#define LOG_CODE_EVENT(isolate, Call)
 
#define LOG_EVENTS_AND_TAGS_LIST(V)
 
#define DECLARE_ENUM(enum_item, ignore)   enum_item,
 
#define TIMER_EVENTS_LIST(V)
 
#define V(TimerName, expose)
 

Macro Definition Documentation

◆ DECLARE_ENUM

#define DECLARE_ENUM (   enum_item,
  ignore 
)    enum_item,

Definition at line 156 of file log.h.

◆ LOG

#define LOG (   isolate,
  Call 
)
Value:
do { \
v8::internal::Logger* logger = \
(isolate)->logger(); \
if (logger->is_logging()) \
logger->Call; \
} while (false)

Definition at line 69 of file log.h.

◆ LOG_CODE_EVENT

#define LOG_CODE_EVENT (   isolate,
  Call 
)
Value:
do { \
v8::internal::Logger* logger = \
(isolate)->logger(); \
if (logger->is_logging_code_events()) \
logger->Call; \
} while (false)

Definition at line 77 of file log.h.

◆ LOG_EVENTS_AND_TAGS_LIST

#define LOG_EVENTS_AND_TAGS_LIST (   V)

Definition at line 86 of file log.h.

◆ TIMER_EVENTS_LIST

#define TIMER_EVENTS_LIST (   V)
Value:
V(RecompileSynchronous, true) \
V(RecompileConcurrent, true) \
V(CompileFullCode, true) \
V(Execute, true) \
V(External, true) \
V(IcMiss, false)
V
#define V(TimerName, expose)
Definition: log.h:431

Definition at line 423 of file log.h.

◆ V

#define V (   TimerName,
  expose 
)
Value:
class TimerEvent##TimerName : public AllStatic { \
public: \
static const char* name(void* unused = NULL) { return "V8." #TimerName; } \
static bool expose_to_api() { return expose; } \
};
name
enable harmony numeric enable harmony object literal extensions Optimize object Array DOM strings and string trace pretenuring decisions of HAllocate instructions Enables optimizations which favor memory size over execution speed maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining trace the tracking of allocation sites deoptimize every n garbage collections perform array bounds checks elimination analyze liveness of environment slots and zap dead values flushes the cache of optimized code for closures on every GC allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes enable context specialization in TurboFan execution budget before interrupt is triggered max percentage of megamorphic generic ICs to allow optimization enable use of SAHF instruction if enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable use of MLS instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long enable alignment of csp to bytes on platforms which prefer the register to always be expose gc extension under the specified name show built in functions in stack traces use random jit cookie to mask large constants minimum length for automatic enable preparsing CPU profiler sampling interval in microseconds trace out of bounds accesses to external arrays default size of stack region v8 is allowed to maximum length of function source code printed in a stack trace min size of a semi the new space consists of two semi spaces print one trace line following each garbage collection do not print trace line after scavenger collection print cumulative GC statistics in name
Definition: flag-definitions.h:504
NULL
enable harmony numeric enable harmony object literal extensions Optimize object Array DOM strings and string trace pretenuring decisions of HAllocate instructions Enables optimizations which favor memory size over execution speed maximum source size in bytes considered for a single inlining maximum cumulative number of AST nodes considered for inlining trace the tracking of allocation sites deoptimize every n garbage collections perform array bounds checks elimination analyze liveness of environment slots and zap dead values flushes the cache of optimized code for closures on every GC allow uint32 values on optimize frames if they are used only in safe operations track concurrent recompilation artificial compilation delay in ms do not emit check maps for constant values that have a leaf deoptimize the optimized code if the layout of the maps changes enable context specialization in TurboFan execution budget before interrupt is triggered max percentage of megamorphic generic ICs to allow optimization enable use of SAHF instruction if enable use of VFP3 instructions if available enable use of NEON instructions if enable use of SDIV and UDIV instructions if enable use of MLS instructions if enable loading bit constant by means of movw movt instruction enable unaligned accesses for enable use of d16 d31 registers on ARM this requires VFP3 force all emitted branches to be in long enable alignment of csp to bytes on platforms which prefer the register to always be NULL
Definition: flag-definitions.h:407

Definition at line 431 of file log.h.