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-rw-r--r--deps/v8/src/log.h103
1 files changed, 60 insertions, 43 deletions
diff --git a/deps/v8/src/log.h b/deps/v8/src/log.h
index 771709c8a1..54b131bb0c 100644
--- a/deps/v8/src/log.h
+++ b/deps/v8/src/log.h
@@ -74,6 +74,7 @@ class Profiler;
class Semaphore;
class SlidingStateWindow;
class LogMessageBuilder;
+class CompressionHelper;
#undef LOG
#ifdef ENABLE_LOGGING_AND_PROFILING
@@ -87,55 +88,58 @@ class LogMessageBuilder;
#endif
#define LOG_EVENTS_AND_TAGS_LIST(V) \
- V(CODE_CREATION_EVENT, "code-creation") \
- V(CODE_MOVE_EVENT, "code-move") \
- V(CODE_DELETE_EVENT, "code-delete") \
- V(CODE_MOVING_GC, "code-moving-gc") \
- V(FUNCTION_CREATION_EVENT, "function-creation") \
- V(FUNCTION_MOVE_EVENT, "function-move") \
- V(FUNCTION_DELETE_EVENT, "function-delete") \
- V(SNAPSHOT_POSITION_EVENT, "snapshot-pos") \
- V(TICK_EVENT, "tick") \
- V(REPEAT_META_EVENT, "repeat") \
- V(BUILTIN_TAG, "Builtin") \
- V(CALL_DEBUG_BREAK_TAG, "CallDebugBreak") \
- V(CALL_DEBUG_PREPARE_STEP_IN_TAG, "CallDebugPrepareStepIn") \
- V(CALL_IC_TAG, "CallIC") \
- V(CALL_INITIALIZE_TAG, "CallInitialize") \
- V(CALL_MEGAMORPHIC_TAG, "CallMegamorphic") \
- V(CALL_MISS_TAG, "CallMiss") \
- V(CALL_NORMAL_TAG, "CallNormal") \
- V(CALL_PRE_MONOMORPHIC_TAG, "CallPreMonomorphic") \
- V(KEYED_CALL_DEBUG_BREAK_TAG, "KeyedCallDebugBreak") \
- V(KEYED_CALL_DEBUG_PREPARE_STEP_IN_TAG, \
- "KeyedCallDebugPrepareStepIn") \
- V(KEYED_CALL_IC_TAG, "KeyedCallIC") \
- V(KEYED_CALL_INITIALIZE_TAG, "KeyedCallInitialize") \
- V(KEYED_CALL_MEGAMORPHIC_TAG, "KeyedCallMegamorphic") \
- V(KEYED_CALL_MISS_TAG, "KeyedCallMiss") \
- V(KEYED_CALL_NORMAL_TAG, "KeyedCallNormal") \
- V(KEYED_CALL_PRE_MONOMORPHIC_TAG, "KeyedCallPreMonomorphic") \
- V(CALLBACK_TAG, "Callback") \
- V(EVAL_TAG, "Eval") \
- V(FUNCTION_TAG, "Function") \
- V(KEYED_LOAD_IC_TAG, "KeyedLoadIC") \
- V(KEYED_STORE_IC_TAG, "KeyedStoreIC") \
- V(LAZY_COMPILE_TAG, "LazyCompile") \
- V(LOAD_IC_TAG, "LoadIC") \
- V(REG_EXP_TAG, "RegExp") \
- V(SCRIPT_TAG, "Script") \
- V(STORE_IC_TAG, "StoreIC") \
- V(STUB_TAG, "Stub") \
- V(NATIVE_FUNCTION_TAG, "Function") \
- V(NATIVE_LAZY_COMPILE_TAG, "LazyCompile") \
- V(NATIVE_SCRIPT_TAG, "Script")
+ V(CODE_CREATION_EVENT, "code-creation", "cc") \
+ V(CODE_MOVE_EVENT, "code-move", "cm") \
+ V(CODE_DELETE_EVENT, "code-delete", "cd") \
+ V(CODE_MOVING_GC, "code-moving-gc", "cg") \
+ V(FUNCTION_CREATION_EVENT, "function-creation", "fc") \
+ V(FUNCTION_MOVE_EVENT, "function-move", "fm") \
+ V(FUNCTION_DELETE_EVENT, "function-delete", "fd") \
+ V(SNAPSHOT_POSITION_EVENT, "snapshot-pos", "sp") \
+ V(TICK_EVENT, "tick", "t") \
+ V(REPEAT_META_EVENT, "repeat", "r") \
+ V(BUILTIN_TAG, "Builtin", "bi") \
+ V(CALL_DEBUG_BREAK_TAG, "CallDebugBreak", "cdb") \
+ V(CALL_DEBUG_PREPARE_STEP_IN_TAG, "CallDebugPrepareStepIn", "cdbsi") \
+ V(CALL_IC_TAG, "CallIC", "cic") \
+ V(CALL_INITIALIZE_TAG, "CallInitialize", "ci") \
+ V(CALL_MEGAMORPHIC_TAG, "CallMegamorphic", "cmm") \
+ V(CALL_MISS_TAG, "CallMiss", "cm") \
+ V(CALL_NORMAL_TAG, "CallNormal", "cn") \
+ V(CALL_PRE_MONOMORPHIC_TAG, "CallPreMonomorphic", "cpm") \
+ V(KEYED_CALL_DEBUG_BREAK_TAG, "KeyedCallDebugBreak", "kcdb") \
+ V(KEYED_CALL_DEBUG_PREPARE_STEP_IN_TAG, \
+ "KeyedCallDebugPrepareStepIn", \
+ "kcdbsi") \
+ V(KEYED_CALL_IC_TAG, "KeyedCallIC", "kcic") \
+ V(KEYED_CALL_INITIALIZE_TAG, "KeyedCallInitialize", "kci") \
+ V(KEYED_CALL_MEGAMORPHIC_TAG, "KeyedCallMegamorphic", "kcmm") \
+ V(KEYED_CALL_MISS_TAG, "KeyedCallMiss", "kcm") \
+ V(KEYED_CALL_NORMAL_TAG, "KeyedCallNormal", "kcn") \
+ V(KEYED_CALL_PRE_MONOMORPHIC_TAG, \
+ "KeyedCallPreMonomorphic", \
+ "kcpm") \
+ V(CALLBACK_TAG, "Callback", "cb") \
+ V(EVAL_TAG, "Eval", "e") \
+ V(FUNCTION_TAG, "Function", "f") \
+ V(KEYED_LOAD_IC_TAG, "KeyedLoadIC", "klic") \
+ V(KEYED_STORE_IC_TAG, "KeyedStoreIC", "ksic") \
+ V(LAZY_COMPILE_TAG, "LazyCompile", "lc") \
+ V(LOAD_IC_TAG, "LoadIC", "lic") \
+ V(REG_EXP_TAG, "RegExp", "re") \
+ V(SCRIPT_TAG, "Script", "sc") \
+ V(STORE_IC_TAG, "StoreIC", "sic") \
+ V(STUB_TAG, "Stub", "s") \
+ V(NATIVE_FUNCTION_TAG, "Function", "f") \
+ V(NATIVE_LAZY_COMPILE_TAG, "LazyCompile", "lc") \
+ V(NATIVE_SCRIPT_TAG, "Script", "sc")
// Note that 'NATIVE_' cases for functions and scripts are mapped onto
// original tags when writing to the log.
class Logger {
public:
-#define DECLARE_ENUM(enum_item, ignore) enum_item,
+#define DECLARE_ENUM(enum_item, ignore1, ignore2) enum_item,
enum LogEventsAndTags {
LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM)
NUMBER_OF_LOG_EVENTS
@@ -288,6 +292,9 @@ class Logger {
private:
+ // Size of window used for log records compression.
+ static const int kCompressionWindowSize = 4;
+
// Emits the profiler's first message.
static void ProfilerBeginEvent();
@@ -305,6 +312,9 @@ class Logger {
static void DeleteEventInternal(LogEventsAndTags event,
Address from);
+ // Emits aliases for compressed messages.
+ static void LogAliases();
+
// Emits the source code of a regexp. Used by regexp events.
static void LogRegExpSource(Handle<JSRegExp> regexp);
@@ -347,8 +357,15 @@ class Logger {
// recent VM states.
static SlidingStateWindow* sliding_state_window_;
+ // An array of log events names.
+ static const char** log_events_;
+
+ // An instance of helper created if log compression is enabled.
+ static CompressionHelper* compression_helper_;
+
// Internal implementation classes with access to
// private members.
+ friend class CompressionHelper;
friend class EventLog;
friend class TimeLog;
friend class Profiler;
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