deps: backport 4 CPU profiler commits from upstream V8

[cpu-profiler] Add a new profiling mode with a more detailed call tree.
https://chromium.googlesource.com/v8/v8.git/+/ecae80cdb350dde1e654c531b56f5b6c44dc8c77

[cpu-profiler] Reuse free slots in code_entries_
https://chromium.googlesource.com/v8/v8.git/+/3e1126bf15e62c433c4e9cb21316d182f691c63a

[cpu-profiler] Only store deopt inline frames for functions that need it
https://chromium.googlesource.com/v8/v8.git/+/0bfcbdd4726920755e51dab28c18ab93e050819b

[cpu-profiler] Use instruction start as the key for the CodeMap
https://chromium.googlesource.com/v8/v8.git/+/ba752ea4c50713dff1e94f45a79db3ba968a8d66

PR-URL: https://github.com/nodejs/node/pull/22028
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Benedikt Meurer <benedikt.meurer@gmail.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/deps/v8/include/v8-profiler.h b/deps/v8/include/v8-profiler.h
index bcb53f1446..af36aa6d2d 100644
--- a/deps/v8/include/v8-profiler.h
+++ b/deps/v8/include/v8-profiler.h
@@ -277,6 +277,16 @@ class V8_EXPORT CpuProfile {
   void Delete();
 };
 
+enum CpuProfilingMode {
+  // In the resulting CpuProfile tree, intermediate nodes in a stack trace
+  // (from the root to a leaf) will have line numbers that point to the start
+  // line of the function, rather than the line of the callsite of the child.
+  kLeafNodeLineNumbers,
+  // In the resulting CpuProfile tree, nodes are separated based on the line
+  // number of their callsite in their parent.
+  kCallerLineNumbers,
+};
+
 /**
  * Interface for controlling CPU profiling. Instance of the
  * profiler can be created using v8::CpuProfiler::New method.
@@ -320,6 +330,13 @@ class V8_EXPORT CpuProfiler {
    * |record_samples| parameter controls whether individual samples should
    * be recorded in addition to the aggregated tree.
    */
+  void StartProfiling(Local<String> title, CpuProfilingMode mode,
+                      bool record_samples = false);
+  /**
+   * The same as StartProfiling above, but the CpuProfilingMode defaults to
+   * kLeafNodeLineNumbers mode, which was the previous default behavior of the
+   * profiler.
+   */
   void StartProfiling(Local<String> title, bool record_samples = false);
 
   /**