nodejs
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‎common.gypi‎
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‎common.gypi‎
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‎deps/v8/src/flag-definitions.h‎
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‎deps/v8/src/flag-definitions.h‎
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‎deps/v8/src/isolate.cc‎
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‎deps/v8/src/isolate.cc‎
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‎deps/v8/src/isolate.h‎
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‎deps/v8/src/isolate.h‎
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‎deps/v8/src/optimized-compilation-info.cc‎
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‎deps/v8/src/optimized-compilation-info.cc‎
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@@ -29,7 +29,7 @@
 
     # Reset this number to 0 on major V8 upgrades.
     # Increment by one for each non-official patch applied to deps/v8.
-    'v8_embedder_string': '-node.24',
+    'v8_embedder_string': '-node.25',
 
     # Enable disassembler for `--print-code` v8 options
     'v8_enable_disassembler': 1,
 
@@ -1211,6 +1211,9 @@ DEFINE_BOOL(log_function_events, false,
 DEFINE_BOOL(prof, false,
             "Log statistical profiling information (implies --log-code).")
 
+DEFINE_BOOL(detailed_line_info, true,
+            "Always generate detailed line information for CPU profiling.")
+
 #if defined(ANDROID)
 // Phones and tablets have processors that are much slower than desktop
 // and laptop computers for which current heuristics are tuned.
 
@@ -3285,6 +3285,10 @@ bool Isolate::use_optimizer() {
          !is_precise_count_code_coverage() && !is_block_count_code_coverage();
 }
 
+bool Isolate::NeedsDetailedOptimizedCodeLineInfo() const {
+  return NeedsSourcePositionsForProfiling() || FLAG_detailed_line_info;
+}
+
 bool Isolate::NeedsSourcePositionsForProfiling() const {
   return FLAG_trace_deopt || FLAG_trace_turbo || FLAG_trace_turbo_graph ||
          FLAG_turbo_profiling || FLAG_perf_prof || is_profiling() ||
 
@@ -1022,6 +1022,8 @@ class Isolate : private HiddenFactory {
 
   bool NeedsSourcePositionsForProfiling() const;
 
+  bool NeedsDetailedOptimizedCodeLineInfo() const;
+
   bool is_best_effort_code_coverage() const {
     return code_coverage_mode() == debug::Coverage::kBestEffort;
   }
 
@@ -39,7 +39,7 @@ OptimizedCompilationInfo::OptimizedCompilationInfo(
   // Collect source positions for optimized code when profiling or if debugger
   // is active, to be able to get more precise source positions at the price of
   // more memory consumption.
-  if (isolate->NeedsSourcePositionsForProfiling()) {
+  if (isolate->NeedsDetailedOptimizedCodeLineInfo()) {
     MarkAsSourcePositionsEnabled();
   }
Original file line number	Diff line number	Diff line change
`@@ -1022,6 +1022,8 @@ class Isolate : private HiddenFactory {`
`1022`	`1022`
`1023`	`1023`	`bool NeedsSourcePositionsForProfiling() const;`
`1024`	`1024`
	`1025`	`+ bool NeedsDetailedOptimizedCodeLineInfo() const;`
	`1026`	`+`
`1025`	`1027`	`bool is_best_effort_code_coverage() const {`
`1026`	`1028`	`return code_coverage_mode() == debug::Coverage::kBestEffort;`
`1027`	`1029`	`}`
Original file line number	Diff line number	Diff line change
`@@ -39,7 +39,7 @@ OptimizedCompilationInfo::OptimizedCompilationInfo(`
`39`	`39`	`// Collect source positions for optimized code when profiling or if debugger`
`40`	`40`	`// is active, to be able to get more precise source positions at the price of`
`41`	`41`	`// more memory consumption.`
`42`		`- if (isolate->NeedsSourcePositionsForProfiling()) {`
	`42`	`+ if (isolate->NeedsDetailedOptimizedCodeLineInfo()) {`
`43`	`43`	`MarkAsSourcePositionsEnabled();`
`44`	`44`	`}`
`45`	`45`